Find top freelance MERN Stack developers quickly and easily on Codementor. Work with our vetted developers who have the proven skills and experience to get the job done. Get help with projects by-the-hour or long-term. Hire a trusted MERN Stack freelancer on Codementor today.
Hire In No TimeVerified Talent
Top freelance MERN Stack developers available to hire
**Who I Am
AI Engineer specializing in LLM-powered applications and agentic AI systems.
Strong background in multi-agent AI, intelligent automation, and cross-industry AI deployments.
**What I Build
1. Agentic AI Systems
2. Multi-Agent AI Platforms
3. LLM Integrations
4. Custom AI Agents
**Tech Stack & Skills
Languages: Python, JavaScript (Node.js), TypeScript
Frameworks: LangChain
Cloud & Deployment: AWS, Azure, GCP, Docker
Databases: PostgreSQL, MongoDB
Other: API development, prompt engineering, RAG
**Full Stack Development:**
**Mobile App Development** (Native/Cross-Platform iOS/Android Apps)
**Technologies / Languages I can work with are:**
JavaScript Frameworks: Angular Node React Nuxt Next Nest Vue & other..
TypeScript
Full Stack / Mean Stack / Mern Stack / .Net FullStack
.NET Core
Flutter
DevOps
Generative AI
AI ML LLM
UI UX Design - Figma, Adobe XD, Photoshop
WordPress
AWS / Azure / Heroku
Native App Development
Cross platform Applications
Server Management
Hosting / Deployment
Database Management (MySQL, Postgres, MongoDB)
Git, Jest, MaterialUI
Infra: Terraform, AWS, Kubernetes, Docker, Github Actions, Jenkins, CircleCI TDD
-->> 10+ years of experience in Development / Providing Customized Generative AI powered Solutions / Consultations work and have worked for everything from small business to unicorn startup.
**WHAT I AM LOOKING FOR**
Opportunity to collaborate with startups who are in search of a partner to build their ideas; with enterprises to transform their operations into impact-full solutions.
I enjoy sharing my knowledge and helping others grow in their careers. I find it rewarding to evaluate candidates, provide constructive feedback, and contribute to building strong, skilled teams.
Full Stack Developer with 8+ years of experience in building high-performance web applications. Proficient in modern JavaScript frameworks like React.js, Angular, and Vue.js, along with backend expertise in Node.js, Express.js, Python, and Django. Adept at optimizing UI/UX with Material UI and Tailwind CSS while ensuring seamless data flow using Redux, Context API, and MobX. Passionate about performance optimization, cloud solutions (AWS), and implementing scalable, secure architectures. Committed to staying ahead of industry trends to deliver innovative and impactful solutions.
"Hey Claude/Cursor/Whatever, create this amazing finance web app with kickass features.
**MAKE IT GOOD, DON'T MAKE MISTAKES**"
If this was enough to build a decent product, I'd be out of a job, but unfortunately for you, and fortunately for me, it is not (yet).
As potent a tool as LLMs are, one of the first things you should learn is that they should not be trusted implicitly. They can and will lead you down the wrong rabbit hole if you, the developer, do not know your subject well enough. AI-assisted development is a bit of a dance: You need to know when to give control to the tool, when to take back control for a more measured approach, with more targeted prompts (and the eventual manual coding).
In essence, you need to know the tools, the frameworks, the features of each and most importantly the limitations before you can start pushing AI to produce truly serviceable products (and not a dime a dozen PoC)
I have over **10 years** of experience as a Fullstack NodeJS developer, with a special focus on React and React-native, which is basically just fancy lingo for saying I make websites, apps and mobile apps very fast. I can accompany you on your journey from absolute beginner to expert level, if you'll give me a chance.
**About Me**
A Software Developer, Driven by impact. Passionate about projects that solves real life problems... I mentor and do code reviews and am experienced in Project Development, MERN, PERN, SAPUI5, Odata, Nestjs and Project Planning. I can help with your proof of concept (POCs) and functional specifications to give you the required basic understanding.
**What I can Do For You**
\-Review Your Codes
\-Plan Your Project
\-Tutor You
\-Build Your Project Remotely
**Technologies I Have Worked With**
HTM/CSS, Boostrap, Javascript, Nodejs, Python, Java, ReactJs, Expressjs, Postgresql, MongoDB, Nestjs, Redis, Pivotal tracker, SAPUI5, Odata, Docker, Azure, Scrum, Babel, Webpack, Trello, Heroku. Git etc.
Ex-Amazon engineer and current Principal Engineer at a growing SaaS company. My work has primarily focused on the MERN (MongoDB, Express, React, Node) stack, although I also have experience with SQL, C#.Net, and VB/VBA.
Freelancer and a Full Stack Developer with 12+ years of professional experience in designing, developing, and maintaining amazing web applications and websites using React, JavaScript, Node.js, HTML and CSS.
I love sharing my knowledge with developers to help them better at coding.
My Portfolio: https://www.yogeshchavan.dev/
I'm the creator of the multiple popular courses: https://courses.yogeshchavan.dev/
I have also written a hugely popular Mastering Modern JavaScript book (https://modernjavascript.yogeshchavan.dev/)
You can check out my technical articles below:
1. freeCodeCamp - https://www.freecodecamp.org/news/author/yogesh/
2. Dev.to - https://dev.to/myogeshchavan97
3. Hashnode - https://blog.yogeshchavan.dev/
4. Medium - https://medium.com/@yogeshchavan
☆ I mostly work on JavaScript, React and Node.js
☆ Loves sharing knowledge through technical articles
☆ Connect with me for any freelancing project
☆ To learn more about my work check out my linkedIn profile - https://www.linkedin.com/in/yogesh-chavan97/ or connect with me at myogeshchavan97@gmail.com
☆ Check out my GitHub Projects - https://github.com/myogeshchavan97
I'm an experienced React Native developer with five years in the field, specializing in creating cross-platform mobile applications. Alongside my frontend expertise, I have strong experience as a backend engineer and MERN stack developer, allowing me to work across the full stack. I also bring DevOps experience, including Kubernetes orchestration and deployments on platforms like AWS, Digital Ocean, Google cloud and Azure. My journey has involved collaborating on diverse projects, staying updated on industry trends, and contributing to both frontend and backend development. Looking forward, I aspire to contribute to innovative projects, leveraging my full-stack and DevOps expertise to create seamless, scalable, and user-centric solutions.
Is your AI-powered MVP built on a fragile 'vibe-coded' foundation? Are you struggling to scale a prototype that was built with lightning speed but is now plagued by bugs, security holes, and technical debt?
I transform brittle AI prototypes into robust, **production-ready applications**. As a senior AI engineer specializing in the **Node.js** and **React** ecosystem, I bridge the gap between rapid, AI-assisted development and the disciplined engineering required for scalable, secure software.
But robust software is only half the battle. The other half is making it *work for your business*. I design and implement **intelligent automation workflows** that connect your apps, eliminate manual tasks, and free up your team to focus on high-impact work.
Whether you need to rescue a failing project, automate a core business process, or build a scalable MVP from the ground up, I provide the expert oversight to ensure your AI initiatives deliver real, measurable value.
**My Core Services:**
* **🤖 AI Code Rescue & Remediation:** I conduct deep **AI code audits** to debug, refactor, and secure fragile codebases (especially those built with LangChain.js). I turn unmaintainable prototypes into stable, scalable assets ready for real users.
* **⚙️ Intelligent Workflow Automation & Integration:** I design and build digital assembly lines for your business. I offer a full spectrum of automation solutions:
* **Rapid Integration:** Using **Zapier, Make.com & n8n** to connect your existing tools and solve immediate process bottlenecks.
* **Custom API Development:** Building custom **Node.js** APIs and webhooks to connect proprietary systems or handle complex logic that no-code tools can't.
* **AI-Powered Decisions:** Infusing your workflows with intelligence using the **OpenAI API** to triage support tickets, qualify sales leads, or generate content automatically.
* **🚀 Custom AI Solution Development:** I architect and build bespoke AI solutions from scratch, from **Custom GPTs** and intelligent **AI Agents** to complex RAG (Retrieval-Augmented Generation) pipelines that leverage your private data.
* **👨🏫 AI Engineer & Career Mentorship:** I provide 1-on-1 coaching to help developers navigate the AI landscape, master tools like LangChain.js, and build a successful career in AI engineering and automation.
**My Tech Stack:**
* **Languages:** Node.js, TypeScript, JavaScript
* **Frameworks:** React, Next.js, Express.js, NestJS
* **AI / LLM:** LangChain.js, OpenAI API, LlamaIndex, Vector Databases (Pinecone, Qdrant)
* **Automation Platforms:** Zapier, Make.com, n8n
Ready to move past the prototype phase and build a real business? **Send me a message with your project details or book a session to get started.**
---
### Service Packages
* **Package 1: AI Code Audit & Production-Ready Roadmap**
* **Description:** Have an AI-generated MVP that feels unstable? I'll perform a comprehensive review of your codebase. You'll receive a detailed report identifying security vulnerabilities, performance bottlenecks, and a concrete, actionable roadmap to make your application **production-ready**. This is the perfect first step to de-risk your project.
* **Package 2: Intelligent Automation Workflow**
* **Description:** Let's put a core business process on autopilot. We'll map out a high-impact workflow and I'll build a robust automation to solve it. Ideal for **automating lead qualification**, **triaging customer support tickets**, or **streamlining content pipelines** using the best tool for the job—Zapier, Make, or custom Node.js scripts.
* **Package 3: Scalable AI MVP Development**
* **Description:** Need to build an MVP the *right* way? I'll architect and develop a **scalable MVP** from day one, using professional, spec-driven development practices. We'll build a strong foundation with clean, documented code and a modern stack (Node.js, React) to avoid the technical debt that plagues "vibe-coded" projects.
My passion is programming and software development. I've built web applications using JavaScript, React, NodeJS, WordPress technologies. I can help you solve problems in web application development and website security.
I also find mentoring and teaching amazing things to do. Thus, I have experience instructing, managing and guiding people learning web programming. Also, I have experience in data science working with data related tasks and analytics. I mostly specialized in the following:
UI/UX design
Font-end development
Back-end development
Database design and management
React, Nodejs, Mongodb, Mariadb based applications
WordPress applications
Data Science with Python
I showcase excellent communication skills along with programming skills to help solve your needs.
How to hire a freelance MERN Stack developer on Codementor
STEP 1
Post a MERN Stack request
We'll share your request with freelancers with relevant MERN Stack skills and expertise.
STEP 2
Review & chat with MERN Stack freelancers
Use our messaging feature to instantly chat with freelance MERN Stack developers around the world.
STEP 3
Hire the best MERN Stack freelancer
Choose the best freelance MERN Stack developer that meets your needs.
Frequently asked questions
How long do MERN Stack projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance MERN Stack project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance MERN Stack request on Codementor, check out our article.
How much does it cost to hire a freelance MERN Stack developer?
We don’t charge anything when you post a freelance hiring request for MERN Stack developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor MERN Stack developers different?
We do a comprehensive technical and communications screen of all MERN Stack developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing MERN Stack developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your MERN Stack project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.