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Karol Andruszków
Karol is a serial entrepreneur who has successfully founded 4 startup companies. With over 11 years of experience in Banking, Financial, IT and eCommerce sector, Karol has provided expert advice to more than 500 companies across 15 countries, including Poland, the USA, the UK, and Portugal.
Comparing MEAN vs MERN vs Next.js and Node for a Marketplace Development
Updated:
Tue, Apr 15
Czas czytania: 18 minut
Choosing the right tech stack for marketplace development is one of the most critical early decisions a CTO or founder makes. It shapes everything. How fast your team can ship. How well your platform scales. How easily you can attract users through performance or SEO and start selling.
At Ulan Software, we’ve worked with dozens of marketplaces (from early-stage MVPs to enterprise-scale platforms) and we know for sure there’s no one-size-fits-all. Whether you're building a product marketplace, a service platform, or a rental model, the demands on your stack will differ.
In 2025, marketplace development is growing fast. According to the research, retail e-commerce sales are forecasted to reach nearly $8 trillion by 2027, accounting for over 20% of global retail sales.
Startups need to move quickly while laying the groundwork for long-term scalability. That’s why the technology you choose matters. Not just to get live, but to stay fast, visible, and reliable as usage grows.
This guide compares the three most common full-stack JavaScript approaches: MEAN (Angular), MERN (React), and Next.js + Node.js. We’ll explore how they handle performance, SEO, real-time features, and team productivity.
Our goal isn’t to declare one “winner,” but to help YOU make the right decision based on your marketplace type, growth stage, and team setup.
Let’s dig in.
At Ulan Software, we’ve worked with dozens of marketplaces (from early-stage MVPs to enterprise-scale platforms) and we know for sure there’s no one-size-fits-all. Whether you're building a product marketplace, a service platform, or a rental model, the demands on your stack will differ.
In 2025, marketplace development is growing fast. According to the research, retail e-commerce sales are forecasted to reach nearly $8 trillion by 2027, accounting for over 20% of global retail sales.
Startups need to move quickly while laying the groundwork for long-term scalability. That’s why the technology you choose matters. Not just to get live, but to stay fast, visible, and reliable as usage grows.
This guide compares the three most common full-stack JavaScript approaches: MEAN (Angular), MERN (React), and Next.js + Node.js. We’ll explore how they handle performance, SEO, real-time features, and team productivity.
Our goal isn’t to declare one “winner,” but to help YOU make the right decision based on your marketplace type, growth stage, and team setup.
Let’s dig in.
What are the Most Common Technology Stacks for Marketplace Development?
There are many ways to build a marketplace. Three tech stacks stand out: MEAN, MERN, and Next.js with Node.js. Each stack uses JavaScript and works well for full-stack development. But they differ in structure, features, and best use cases.
Angular is a full framework. It includes built-in tools for routing, forms, and dependency injection. It also enforces a clear project structure, which helps in larger teams.
MEAN is often used in enterprise projects. Its structure makes it easier to manage long-term. While MEAN is often paired with MongoDB, it can work with other databases if needed.
MERN apps are usually single-page applications. They use client-side rendering for fast interaction. React’s virtual DOM helps keep user interfaces fast and smooth.
The rest of the stack mirrors MEAN. It uses Express.js, Node.js, and MongoDB. MERN is often easier to learn for developers who already use JavaScript, since it doesn’t require TypeScript.
Next.js can handle both front-end and back-end logic. Many teams also use Node.js or Express.js to build extra services or APIs. This stack supports SEO and fast load times better than a pure MERN setup.
Developers often choose it for projects where search performance matters. It's a strong fit for marketplaces that rely on organic traffic.
MEAN Stack (MongoDB, Express.js, Angular, Node.js)
The MEAN stack uses Angular on the front-end, with Node.js and Express.js on the back-end. MongoDB handles data storage.
Angular is a full framework. It includes built-in tools for routing, forms, and dependency injection. It also enforces a clear project structure, which helps in larger teams.
MEAN is often used in enterprise projects. Its structure makes it easier to manage long-term. While MEAN is often paired with MongoDB, it can work with other databases if needed.
MERN Stack (MongoDB, Express.js, React, Node.js)
MERN replaces Angular with React. React is not a full framework, but a flexible UI library.
MERN apps are usually single-page applications. They use client-side rendering for fast interaction. React’s virtual DOM helps keep user interfaces fast and smooth.
The rest of the stack mirrors MEAN. It uses Express.js, Node.js, and MongoDB. MERN is often easier to learn for developers who already use JavaScript, since it doesn’t require TypeScript.
Next.js + Node.js Stack
Next.js builds on React and adds many extra features. These include server-side rendering, static site generation, and built-in API routes.
Next.js can handle both front-end and back-end logic. Many teams also use Node.js or Express.js to build extra services or APIs. This stack supports SEO and fast load times better than a pure MERN setup.
Developers often choose it for projects where search performance matters. It's a strong fit for marketplaces that rely on organic traffic.
What Do Different Marketplace Types Demand from Your Tech Stack?
Each marketplace type has different technical needs. In our guide, we’ll compare how each stack performs for the following models:
Product and rental platforms benefit from good SEO. These platforms need to rank high in search results to attract users. On the other hand, service marketplaces rely more on features for signed-in users.
We’ll review how each stack supports these use cases. We will dedicate special attention to performance, SEO, scalability, and developer experience.
- Product marketplaces (Amazon like): Focus on product listings, search, and SEO.
- Service marketplaces (Upwork like): Focus on user profiles, jobs, proposals, and messaging.
- Rental marketplaces (Airbnb like): Focus on listings with maps and calendars, plus booking features and SEO.
Product and rental platforms benefit from good SEO. These platforms need to rank high in search results to attract users. On the other hand, service marketplaces rely more on features for signed-in users.
We’ll review how each stack supports these use cases. We will dedicate special attention to performance, SEO, scalability, and developer experience.
How Do MEAN, MERN, Nodejs Compare in Performance and Scalability?
The technical performance of a marketplace engine affects both user experience and business growth. When comparing MEAN, MERN, and Next.js + Node.js, three key areas stand out: rendering method, backend efficiency, and scaling approach.
Next.js uses server-side rendering (SSR) and static generation (SSG) by default. This means the server sends a fully rendered HTML page to the browser, which speeds up the first load and helps with SEO. Pages feel fast and ready as soon as they load, which is helpful for product or listing pages.
MERN and MEAN follow a client-side rendering model. The browser loads a minimal HTML shell and then runs JavaScript to build the rest of the page. This adds extra time before the user sees content. While navigation inside the app becomes fast once loaded. The first page may feel slower, especially on low-end devices or large applications.
Angular does support SSR through Angular Universal, and React SPAs can be upgraded to SSR using frameworks like Next.js or Remix. However, these setups add complexity. For teams seeking faster first-page loads with less setup, Next.js can be beneficial.
However, Node is single-threaded. When tasks are CPU-heavy (like rendering large pages on the server), performance can drop. In high-traffic scenarios, a Next.js server doing SSR may need to scale out using multiple processes or containers. SPAs avoid this issue since rendering happens in the browser, but at the cost of slower first loads.
In both cases, horizontal scaling (adding more Node instances behind a load balancer) is standard practice. Whether you use Next.js, MEAN, or MERN, scaling your backend this way allows your app to handle more users with predictable performance.
React, used in MERN and Next.js, updates content using a virtual DOM. This makes UI changes fast and efficient.
Angular, used in MEAN, uses a different approach with real DOM and two-way data binding. While slightly heavier, Angular offers predictable structure and still delivers smooth updates, especially when optimized using OnPush change detection.
In dynamic applications with frequent UI updates, React may offer better responsiveness. Angular tends to shine in large apps that benefit from strong structure and built-in tooling.
Next.js includes built-in support for image optimization, code-splitting, and ISR ( means Incremental Static Regeneration). These let you serve fast SEO-friendly pages without rebuilding everything on every request.
MERN and MEAN apps can also perform well with the right tooling. Angular CLI and React build tools provide bundling and tree-shaking. When paired with CDNs, this can reduce server load and improve load times.
According to our experience, a hybrid approach will work well, for apps with both SEO and logged-in user flows. Use SSR or SSG for public pages, and CSR for the rest. Next.js allows this kind of flexibility on a per-page basis.
Node.js makes it easy to create microservices (separate backend services for different tasks like search, payments, or messaging). This approach improves fault isolation and makes scaling more predictable.
MEAN and MERN often start as monolithic apps but can be split later into services. Next.js can also be used in a microservice or micro-frontend setup. For example, you might use Next.js to handle public pages, while a separate Node.js API manages user actions.
Read more: Marketplace Software Architecture Trends in 2025
Server vs Client Rendering
One major difference between these stacks is how they render pages.
Next.js uses server-side rendering (SSR) and static generation (SSG) by default. This means the server sends a fully rendered HTML page to the browser, which speeds up the first load and helps with SEO. Pages feel fast and ready as soon as they load, which is helpful for product or listing pages.
MERN and MEAN follow a client-side rendering model. The browser loads a minimal HTML shell and then runs JavaScript to build the rest of the page. This adds extra time before the user sees content. While navigation inside the app becomes fast once loaded. The first page may feel slower, especially on low-end devices or large applications.
Angular does support SSR through Angular Universal, and React SPAs can be upgraded to SSR using frameworks like Next.js or Remix. However, these setups add complexity. For teams seeking faster first-page loads with less setup, Next.js can be beneficial.
Handling Many Users
All three stacks rely on Node.js for backend logic. Node’s non-blocking, event-driven model makes it well-suited for handling many requests at once. This works well for marketplaces, where the server must support many users browsing, buying, or messaging at the same time.
However, Node is single-threaded. When tasks are CPU-heavy (like rendering large pages on the server), performance can drop. In high-traffic scenarios, a Next.js server doing SSR may need to scale out using multiple processes or containers. SPAs avoid this issue since rendering happens in the browser, but at the cost of slower first loads.
In both cases, horizontal scaling (adding more Node instances behind a load balancer) is standard practice. Whether you use Next.js, MEAN, or MERN, scaling your backend this way allows your app to handle more users with predictable performance.
Front-End Speed and User Experience
After the first page loads, front-end performance matters most for user experience.
React, used in MERN and Next.js, updates content using a virtual DOM. This makes UI changes fast and efficient.
Angular, used in MEAN, uses a different approach with real DOM and two-way data binding. While slightly heavier, Angular offers predictable structure and still delivers smooth updates, especially when optimized using OnPush change detection.
In dynamic applications with frequent UI updates, React may offer better responsiveness. Angular tends to shine in large apps that benefit from strong structure and built-in tooling.
Caching and Optimization Tools
In terms of performance we'are not going to talk just about the code. Caching, CDNs, and smart build tools play a big role here.
Next.js includes built-in support for image optimization, code-splitting, and ISR ( means Incremental Static Regeneration). These let you serve fast SEO-friendly pages without rebuilding everything on every request.
MERN and MEAN apps can also perform well with the right tooling. Angular CLI and React build tools provide bundling and tree-shaking. When paired with CDNs, this can reduce server load and improve load times.
According to our experience, a hybrid approach will work well, for apps with both SEO and logged-in user flows. Use SSR or SSG for public pages, and CSR for the rest. Next.js allows this kind of flexibility on a per-page basis.
Scaling Architecture for Growth
As traffic grows, a simple app may need to evolve into a distributed system. All three stacks support this.
Node.js makes it easy to create microservices (separate backend services for different tasks like search, payments, or messaging). This approach improves fault isolation and makes scaling more predictable.
MEAN and MERN often start as monolithic apps but can be split later into services. Next.js can also be used in a microservice or micro-frontend setup. For example, you might use Next.js to handle public pages, while a separate Node.js API manages user actions.
Read more: Marketplace Software Architecture Trends in 2025
How to Align Your Marketplace Model with the Right Stack?
The ideal stack depends not only on tech but on your marketplace’s user flows.
Product Marketplaces (Amazon-like)
These platforms need fast load times, global reach, and excellent SEO. Next.js fits well. SSR and ISR help load pages faster and reduce bounce rates. Caching product data and using CDNs can handle spikes in traffic.
React and Angular both support large product catalogs, but React tends to keep bundles smaller. Angular requires more careful setup to avoid long load times.
Service Marketplaces (Upwork-like)
Here, users spend time logged in. Features like dashboards, chat, and job proposals need fast and smooth interactions. SEO matters less. MERN or MEAN are strong fits. These stacks deliver fast single-page transitions and handle WebSocket-based features like real-time chat well.
As traffic grows, the backend can split into services. For example, handling chat, payments, or profile updates in separate processes.
Rental Marketplaces (Airbnb-like)
This model blends SEO needs with real-time updates. Next.js is often the best match. Listing pages benefit from SSR for fast load and ranking. Features like calendar availability and maps can be handled on the client using React.
Node’s support for WebSockets allows instant updates, for example, disabling a booked date across open sessions. Over time, critical flows like scheduling and booking and payments can be split into separate services for easier scaling.
How MEAN, MERN and Node Supports SEO in Marketplace Development
Search engine visibility matters most for marketplaces that would rely on organic traffic. This affects product listings, property pages, and location-based search results. For these cases, how a tech stack handles page rendering has a direct impact on SEO performance.
This is where the rendering approach (server-side (SSR) vs client-side (CSR)) plays a major role.
Next.js also includes tools for managing metadata, such as page titles and Open Graph tags.
These ensure that content previews on social platforms and search engines display correctly.
Because of its hybrid rendering model, developers can choose to server-render some pages and skip SSR where it’s not needed. This helps balance SEO needs with performance and hosting costs.
Why SEO Matters
Search engines index HTML content at the time of page load. If your app sends a blank page that only fills in later with JavaScript, search bots may miss the key content. This affects how well your pages rank in results.
This is where the rendering approach (server-side (SSR) vs client-side (CSR)) plays a major role.
Next.js + Node.js: SEO by Default
Next.js was built with SEO in mind. It offers SSR and static site generation out of the box. As a result, pages are delivered with full HTML on the first load, making them easy for search bots to read.
Next.js also includes tools for managing metadata, such as page titles and Open Graph tags.
These ensure that content previews on social platforms and search engines display correctly.
Because of its hybrid rendering model, developers can choose to server-render some pages and skip SSR where it’s not needed. This helps balance SEO needs with performance and hosting costs.
React SPA (MERN): Limited Without SSR
A typical React app in a MERN setup renders content on the client. The initial HTML response is empty except for a single div. Search engines can run JavaScript, but results may vary. Slower indexing or missing content is a common risk.
To fix this, teams must add SSR, often by switching to a framework like Next.js or building a custom SSR setup using React DOM Server. In practice, this turns the app into something closer to Next.js. Without SSR, a standard React SPA is not ideal for SEO-focused marketplaces.
The downside is setup complexity. Implementing Angular Universal means configuring a Node.js server or functions, managing caching, and handling route rendering. When done well, the result is SEO-friendly. But unlike Next.js, this isn’t automatic or built into the core framework.
Service marketplaces focus on logged-in users. Public content is limited. SEO matters less for the core app. In this case, MERN or MEAN SPAs are valid choices. If marketing or profile pages are public, rendering those few routes with SSR (via Next.js or Angular Universal) adds value without requiring full-stack changes.
Rental marketplaces rely heavily on organic search. Listings must be visible to search engines to attract users. SSR ensures listing pages are crawlable and rank well. This makes Next.js especially useful. Angular can also handle this with SSR enabled, but setup takes more effort.
If SEO is a priority, this difference should guide your decision.
Angular (MEAN): SSR Possible, but Manual
Angular also defaults to client-side rendering. However, it has an official tool called Angular Universal to enable SSR. This allows Angular apps to serve full HTML on first load.
The downside is setup complexity. Implementing Angular Universal means configuring a Node.js server or functions, managing caching, and handling route rendering. When done well, the result is SEO-friendly. But unlike Next.js, this isn’t automatic or built into the core framework.
Picking the Right Approach by Marketplace Type
Product marketplaces depend on SEO to bring users to product pages. SSR or SSG is essential. Next.js is a strong fit due to its simplicity and built-in support. Angular can also work if Universal is added. A pure MERN stack, unless extended with SSR tools, is a weaker choice here.
Service marketplaces focus on logged-in users. Public content is limited. SEO matters less for the core app. In this case, MERN or MEAN SPAs are valid choices. If marketing or profile pages are public, rendering those few routes with SSR (via Next.js or Angular Universal) adds value without requiring full-stack changes.
Rental marketplaces rely heavily on organic search. Listings must be visible to search engines to attract users. SSR ensures listing pages are crawlable and rank well. This makes Next.js especially useful. Angular can also handle this with SSR enabled, but setup takes more effort.
Our Opinion
Of the three options, Next.js offers the best SEO support out-of-the-box. Angular and React SPAs can match this, but only with added tools and setup.
If SEO is a priority, this difference should guide your decision.
Comparing Ease of Development, Structure, and Long-Term Perspectives
While choosing a tech stack, don't focus only on performance. How easily your team can build, maintain, and scale the project over time matters just as much. Some stacks offer strong structure and guidance, while others focus on flexibility and speed.
In this section, we look at how MEAN, MERN, and Next.js + Node.js compare in day-to-day development.
However, once teams are trained, Angular’s structure becomes an asset.
In this section, we look at how MEAN, MERN, and Next.js + Node.js compare in day-to-day development.
Angular (MEAN): Structured, but Complex to Learn
Angular is a full framework. It requires developers to learn TypeScript, Angular architecture, RxJS, and template syntax. The early learning curve is steep. Developers must “study related concepts like TypeScript and MVC” to get productive.
However, once teams are trained, Angular’s structure becomes an asset.
Switching devs from one Angular project to the next is easy and they catch on quick. Every React project is a new day…
said one engineer on Reddit
Angular’s consistency helps in large teams. Its CLI generates components and services, and common features like routing and forms come built-in. This reduces decision fatigue and helps avoid fragmented codebases.
This freedom works well for small teams or quick MVPs, but large projects may suffer if there are no conventions. Setting up a MERN stack also takes more work up front. This includes connecting the client and server, managing CORS, and choosing the right libraries.
Still, React’s ecosystem is mature. It has a vast set of libraries and support resources. Finding help or hiring developers is easier given its wide adoption.
React (MERN): Flexible and Lightweight
React has a gentler entry point. Developers with basic JavaScript knowledge can start building components right away. But React’s flexibility means teams must make many decisions—routing, state management, and folder structure aren’t enforced.
This freedom works well for small teams or quick MVPs, but large projects may suffer if there are no conventions. Setting up a MERN stack also takes more work up front. This includes connecting the client and server, managing CORS, and choosing the right libraries.
Still, React’s ecosystem is mature. It has a vast set of libraries and support resources. Finding help or hiring developers is easier given its wide adoption.
Next.js + Node: Balance of Structure and Simplicity
Next.js builds on React, but simplifies common challenges. Routing, SSR, and code-splitting are built in. One 2024 review noted:
Developers love Next.js because it’s easy to get started with... features like hot reloading and TypeScript support out of the box. The file-based routing is intuitive..
blog on Medium
For teams familiar with React, adopting Next.js feels natural. Developers can focus on building features rather than wiring up the app.
Next.js also offers clean TypeScript support, file-based routing, and automatic optimization. Without the heavy setup Angular demands or the open-ended nature of MERN.
Some teams pairing Angular on the front-end also use NestJS for full-stack TypeScript consistency. This uniformity can help when enforcing shared coding practices.
We wrote about this in this article: Why Choose NestJs Framework for Building Server-side Apps
Angular can feel slower to start due to its structure, but the tradeoff is better control in large, multi-team environments.
MERN setups need more manual work but offer most flexibility. Next.js reduces this burden with its “batteries included” approach. Which is closer to Angular, but with a lighter footprint.
Next.js also offers clean TypeScript support, file-based routing, and automatic optimization. Without the heavy setup Angular demands or the open-ended nature of MERN.
TypesScript in Practice
Angular requires TypeScript by default. This enforces type safety and helps catch issues early. React and Next.js support TypeScript optionally and integrate smoothly. Most teams adopting these stacks now choose to use TypeScript to improve maintainability.
Some teams pairing Angular on the front-end also use NestJS for full-stack TypeScript consistency. This uniformity can help when enforcing shared coding practices.
We wrote about this in this article: Why Choose NestJs Framework for Building Server-side Apps
Speed of Development
For prototyping or early-stage development, MERN or Next.js usually enables faster iteration. With fewer setup requirements and less boilerplate, developers quickly can test ideas.Angular can feel slower to start due to its structure, but the tradeoff is better control in large, multi-team environments.
Tooling and Ecosystem Support
All stacks have strong tooling. Angular’s CLI is robust and suited for large-scale enterprise workflows. React and Next.js benefit from their massive ecosystems. Tutorials, examples, and job-ready developers are easy to find. As of 2024, ~40% of developers use React, while Angular holds ~17%.
MERN setups need more manual work but offer most flexibility. Next.js reduces this burden with its “batteries included” approach. Which is closer to Angular, but with a lighter footprint.
Our Opinion
For highly structured teams or complex enterprise apps, Angular’s setup can be better. For fast iteration and simplicity, Next.js offers the best blend of productivity and flexibility.In my experience, building with Next.js is far more seamless than setting up a MERN stack from the ground up. It lets our team focus on features instead of wiring everything together first..
Says our CTO, Wojciech Andruszkow
How Mature Are Communities Behind Each Stack?
All three stacks benefit from JavaScript’s wide adoption, but the size and nature of their communities differ. This impacts hiring, support, and third-party tooling at the end of the day.
As mentioned earlier, React is the most used front-end library as of 2024, with around 40% developer adoption. Next.js, built on React and backed by Vercel, has matured into a stable framework with strong enterprise adoption and a fast-growing open-source ecosystem.
The advantage of this popularity:
Angular has a dedicated, enterprise-leaning community and long-term support from Google. It includes official tools like Angular CLI, Angular Material, and NgRx, which reduce reliance on third-party packages.
While Angular isn’t growing as fast as React, its ecosystem is reliable and mature. You’ll find fewer but more standardized libraries. Many larger companies prefer Angular for its structure and stability over bleeding-edge flexibility.
Angular’s slower release pace also means fewer breaking changes. This is a plus for long-term projects.
On the server side, all stacks share a solid base. Node.js has one of the largest ecosystems in backend development, with Express.js being the default web server. Tools like Redis, Mongoose, and Prisma are widely used and well-documented.
MongoDB is also a mature part of the stack, offering integrations with major cloud providers and developer tools. Most backend problems have well-known solutions and community best practices.
In 2025, React/Next dominates in terms of popularity, ecosystem breadth, and hiring ease. Angular serves enterprise needs well, with reliable tooling and strong long-term support.
As mentioned earlier, React is the most used front-end library as of 2024, with around 40% developer adoption. Next.js, built on React and backed by Vercel, has matured into a stable framework with strong enterprise adoption and a fast-growing open-source ecosystem.
The advantage of this popularity:
- A wide pool of skilled developers
- Rapid library innovation (e.g., state management, UI kits, integrations)
- Countless tutorials, GitHub projects, and community support channels
Angular has a dedicated, enterprise-leaning community and long-term support from Google. It includes official tools like Angular CLI, Angular Material, and NgRx, which reduce reliance on third-party packages.
While Angular isn’t growing as fast as React, its ecosystem is reliable and mature. You’ll find fewer but more standardized libraries. Many larger companies prefer Angular for its structure and stability over bleeding-edge flexibility.
Angular’s slower release pace also means fewer breaking changes. This is a plus for long-term projects.
On the server side, all stacks share a solid base. Node.js has one of the largest ecosystems in backend development, with Express.js being the default web server. Tools like Redis, Mongoose, and Prisma are widely used and well-documented.
MongoDB is also a mature part of the stack, offering integrations with major cloud providers and developer tools. Most backend problems have well-known solutions and community best practices.
In 2025, React/Next dominates in terms of popularity, ecosystem breadth, and hiring ease. Angular serves enterprise needs well, with reliable tooling and strong long-term support.
What is TypeScript Role in Marketplace Development?
TypeScript has become the standard for serious JavaScript projects. It helps prevent bugs, improves code readability, and enables safer refactoring.
Why is this important?
Marketplaces are complex projects. They include users, listings, payments, and real-time updates. TypeScript helps teams manage this complexity.
It checks for errors before the code runs. It also catches type mismatches early and makes the code easier to understand. Developers get better auto-suggestions and fewer bugs. This improves speed and reliability during online marketplace development.
Angular is built in TypeScript. You can’t use modern Angular without it. This means your templates and services benefit from strong typing, autocompletion, and early error detection. For large teams or developers coming from Java or C#, this strictness can feel familiar and reassuring. The trade-off is a steeper learning curve upfront, but long-term maintainability improves.
React started with plain JavaScript but now has full TypeScript support. Developers can gradually adopt TS using templates or tools like Vite. While the MERN stack doesn’t enforce TypeScript, most modern teams do use it in production. You can type both the React front-end and Express backend (and even share type definitions between them).
The flexibility is useful, but also means early-stage projects sometimes skip TS for speed, which can lead to inconsistencies.
Next.js offers built-in TypeScript support from project setup. Its core APIs include type definitions, and its structure encourages proper typing without extra setup. Combined with a Node backend (e.g., Express or NestJS), you can create a fully typed full-stack app.
As you can see, all stacks support TypeScript well. What does it mean for YOU?
For a CTO or Startup, TypeScript reduces risk and saves time. Catching bugs early means fewer production issues and lower support costs. Teams spend less time fixing runtime errors and more time building features. Clean, self-documented code makes it easier to onboard new developers when scaling a team.
For a fast-moving startup, this means faster releases, more stable updates, and fewer outages.
Why is this important?
Marketplaces are complex projects. They include users, listings, payments, and real-time updates. TypeScript helps teams manage this complexity.
It checks for errors before the code runs. It also catches type mismatches early and makes the code easier to understand. Developers get better auto-suggestions and fewer bugs. This improves speed and reliability during online marketplace development.
Angular is built in TypeScript. You can’t use modern Angular without it. This means your templates and services benefit from strong typing, autocompletion, and early error detection. For large teams or developers coming from Java or C#, this strictness can feel familiar and reassuring. The trade-off is a steeper learning curve upfront, but long-term maintainability improves.
React started with plain JavaScript but now has full TypeScript support. Developers can gradually adopt TS using templates or tools like Vite. While the MERN stack doesn’t enforce TypeScript, most modern teams do use it in production. You can type both the React front-end and Express backend (and even share type definitions between them).
The flexibility is useful, but also means early-stage projects sometimes skip TS for speed, which can lead to inconsistencies.
Next.js offers built-in TypeScript support from project setup. Its core APIs include type definitions, and its structure encourages proper typing without extra setup. Combined with a Node backend (e.g., Express or NestJS), you can create a fully typed full-stack app.
As you can see, all stacks support TypeScript well. What does it mean for YOU?
For a CTO or Startup, TypeScript reduces risk and saves time. Catching bugs early means fewer production issues and lower support costs. Teams spend less time fixing runtime errors and more time building features. Clean, self-documented code makes it easier to onboard new developers when scaling a team.
For a fast-moving startup, this means faster releases, more stable updates, and fewer outages.
💡 Planning to Build a Marketplace Platform?
We help teams ship fast with proven frameworks and architecture!
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We help teams ship fast with proven frameworks and architecture!
📨 business@ulansoftware.com
How to Make a Marketplace Engine Modular and Maintainable?
How to Make a Marketplace Engine Modular and Maintainable?
For a CTO or startup, maintainability and modularity questions affect speed, cost, and scalability.
A modular codebase makes it easier to onboard new developers, faster deliver new features, and fix bugs with less risk. It also reduces technical debt, in other words, saves time and money as the product grows.
Teams can host front-end and back-end code in one repo, share code, and control boundaries across apps. Many enterprises use this approach to manage dozens of libraries and services under one structure.
To manage complexity, many teams use Turborepo (by Vercel) or Nx to set up monorepos. This allows splitting code into logical apps (e.g., web, api) and libraries (e.g., shared/utils, types). Shared types and logic can live in one place and be reused across front-end and back-end.
There is one risk here. Without strong internal guidelines, large React projects may diverge in style and structure.
All stacks support microservices.
Node.js is especially suited for breaking logic into smaller services when needed. Refactoring is helped by TypeScript support across all stacks. Angular’s structure makes changes safer by default, while React/Next relies more on developer discipline and testing.
We advice:
If your team values clear structure from day one, Angular provides it. If you prefer flexibility and faster iteration, React/Next can deliver. You should just plan for architecture as the codebase grows.
A modular codebase makes it easier to onboard new developers, faster deliver new features, and fix bugs with less risk. It also reduces technical debt, in other words, saves time and money as the product grows.
Angular (MEAN)
Angular enforces structure by design. Its module system encourages clear boundaries. For example, UserModule, OrderModule, or ProductModule. This reduces confusion in large codebases and helps teams scale without chaos. The result is often a predictable, clean architecture. For companies with long-term plans and large teams, this structure is a key advantage.
Teams can host front-end and back-end code in one repo, share code, and control boundaries across apps. Many enterprises use this approach to manage dozens of libraries and services under one structure.
React / Next.js (MERN)
React and Next.js are flexible, but don’t enforce structure. Next.js introduces some consistency with file-based routing and page organization. However, teams must define their own architecture for larger projects.
To manage complexity, many teams use Turborepo (by Vercel) or Nx to set up monorepos. This allows splitting code into logical apps (e.g., web, api) and libraries (e.g., shared/utils, types). Shared types and logic can live in one place and be reused across front-end and back-end.
There is one risk here. Without strong internal guidelines, large React projects may diverge in style and structure.
All stacks support microservices.
Node.js is especially suited for breaking logic into smaller services when needed. Refactoring is helped by TypeScript support across all stacks. Angular’s structure makes changes safer by default, while React/Next relies more on developer discipline and testing.
We advice:
If your team values clear structure from day one, Angular provides it. If you prefer flexibility and faster iteration, React/Next can deliver. You should just plan for architecture as the codebase grows.
Our Recommendations: MEAN, MERN or Nodejs with Next?
Choosing the right tech stack depends on the specific needs of your marketplace model. Aspects like SEO, user experience, scalability, and real-time features depend on whether you're selling products, offering services, or managing rentals. Below, we break down how each stack performs in these contexts:
In this case, we recommend to use Next.js + Node.js. WHY?:
You can also go for Angular if your team already uses it. Just plan for Angular Universal to handle SSR.
In this model we recommend to use MERN or MEAN. Use MERN for agility, MEAN for structure, both suit service marketplaces:
For rentals we recommennd to choose Next.js and Node.js. Here is why:
What can you consider additionally:
You might be also interested to read: The Best Stack to Build a Marketplace Platform - 2025 Update
Product-Based Marketplaces
Here we are talking about marketplaces like Amazon or Zalando. Key needs includes SEO, fast page loads, high traffic handling, search, checkout, product reviews.
In this case, we recommend to use Next.js + Node.js. WHY?:
- Server-side rendering (SSR) improves page speed and SEO which iscritical for product pages.
- Supports Incremental Static Regeneration (ISR) to update listings in the background.
- Node scales well and supports both relational (orders) and NoSQL (product catalog) databases.
- Headless architecture (Next.js for front-end, CMS or custom services for backend) works well.
- Features like live support chat or sales alerts are easily built with WebSockets.
You can also go for Angular if your team already uses it. Just plan for Angular Universal to handle SSR.
2. Service Marketplaces
Take Upwork or Fiverr as examples. Here you will need user accounts, messaging, job postings, dashboards, real-time notifications.
In this model we recommend to use MERN or MEAN. Use MERN for agility, MEAN for structure, both suit service marketplaces:
- SEO is less important; users interact mostly behind a login.
- Offers flexibility, modern UI libraries, and fast setup.
- Better for larger teams or long-term structure. Angular’s modularity helps maintain complex flows.
- Socket.io + Node covers messaging and alerts.
- Use Next.js or Angular Universal for SEO on public pages (e.g., freelancer profiles).
3. Rental-Based Marketplaces
Airbnb is the best example here. Marketplaces like this need SEO for listings, dashboards, real-time booking, maps, and internationalization.
For rentals we recommennd to choose Next.js and Node.js. Here is why:
- Combines SSR (for listings) with SPA experience (for logged-in users).
- Built-in image optimization, locale support, and dynamic routing.
- Map-heavy UIs are easier with React due to wider component options.
- Node supports real-time updates for bookings and can easily integrate with calendars and payment APIs.
- Modular design is key. Use monorepos (Nx, Turborepo) for clear separation.
What can you consider additionally:
- Use what your team already knows. Angular suits structured orgs; React/Next has broader talent availability.
- MERN or Next can get you live fast. Angular pays off in long-term maintainability.
- In terms of Microservices, Node is flexible. It split the backend into services when needed.
- If talking about Third-Party Tools, React has more out-of-the-box components for features like maps, social logins, and analytics.
You might be also interested to read: The Best Stack to Build a Marketplace Platform - 2025 Update
Final Thoughts
At Ulan Software, we've built and scaled a range of marketplace platforms in recent years.
In over 74% of those projects, we used Node.js on the backend. This choice consistently led to faster time-to-market, strong SEO performance, and a flexible foundation for future growth.
If you're planning a marketplace and unsure where to begin, feel free to reach out.
We're open to sharing our experience and helping you make informed technical decisions.
In over 74% of those projects, we used Node.js on the backend. This choice consistently led to faster time-to-market, strong SEO performance, and a flexible foundation for future growth.
If you're planning a marketplace and unsure where to begin, feel free to reach out.
We're open to sharing our experience and helping you make informed technical decisions.
Karol Andruszków
Karol is a serial entrepreneur who has successfully founded 4 startup companies. With over 11 years of experience in Banking, Financial, IT and eCommerce sector, Karol has provided expert advice to more than 500 companies across 15 countries, including Poland, the USA, the UK, and Portugal.
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