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You will get JavaScript Engineer for MERN MEAN, NODE JS, JavaScript, React JS, Vue JS
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Project details
Searching for a Full-Stack JavaScript Developer for MEAN MERN development?
No worries, now you're in the right spot. I am Gurvinder Singh your JavaScript Expert and working on JavaScript technologies since 2011. I will provide you with the solution to every requirement you've with a quick turnaround and affordable cost.
I will not discuss here my expertise here is a list of successful projects and for more information review my profile. Please share your idea and get expert advice.
INDUSTRIAL OFFERINGS
◾ Developed Enterprise and Business Level Applications
◾ For STARTUPS from IDEA to REALITY
◾ FinTech and Health Care Domain
◾ SPECIALTY in SHIPPING PORTALS
◾ Warehouse Management Systems
◾ Inventory Management Systems
◾ Real Estate CRM Systems
◾ SaaS-Based Applications
◾ ERP | CRM | POS Systems
◾ Learning Management Systems (LMS)
◾ Reservation Domain (Ticket Booking, Travel Portal, etc...)
Note: Please don't purchase a package in advance without discussion, share your idea and I'll provide you with the best package according to your needs.
What you're waiting for? Inbox your requirements now...
#MEAN Stack | #MERN Stack | #MEAN/MERN Stack | #JavaScript Developer
No worries, now you're in the right spot. I am Gurvinder Singh your JavaScript Expert and working on JavaScript technologies since 2011. I will provide you with the solution to every requirement you've with a quick turnaround and affordable cost.
I will not discuss here my expertise here is a list of successful projects and for more information review my profile. Please share your idea and get expert advice.
INDUSTRIAL OFFERINGS
◾ Developed Enterprise and Business Level Applications
◾ For STARTUPS from IDEA to REALITY
◾ FinTech and Health Care Domain
◾ SPECIALTY in SHIPPING PORTALS
◾ Warehouse Management Systems
◾ Inventory Management Systems
◾ Real Estate CRM Systems
◾ SaaS-Based Applications
◾ ERP | CRM | POS Systems
◾ Learning Management Systems (LMS)
◾ Reservation Domain (Ticket Booking, Travel Portal, etc...)
Note: Please don't purchase a package in advance without discussion, share your idea and I'll provide you with the best package according to your needs.
What you're waiting for? Inbox your requirements now...
#MEAN Stack | #MERN Stack | #MEAN/MERN Stack | #JavaScript Developer
Programming Languages
JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$40
|
Standard
$200
|
Advanced
$1,600
|
|---|---|---|---|
| Delivery Time | 1 day | 1 day | 7 days |
Number of Revisions | 1 | 1 | 1 |
Number of Pages | 1 | 1 | 1 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
81 reviews
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CT
Codingherd T.
Aug 17, 2026
Full Stack Developer | Replit Expert | MVP to Production
Great work done by Gurvinder. He is a complete Full stack developer and has extensive knowledge working as Replit Expert. I wanted someone to make the project production ready. I was having security and scalability concerns with my application. Gurvinder helped me address the concerns in a very professional manner.
Will surely work again with him in future.
Will surely work again with him in future.
CT
Codingherd T.
Aug 4, 2026
Senior Full Stack Developer | React Developer | Next.js Developer
Great work done by Gurvinder as a Full stack developer. He handled MERN project very efficiently. Used AI tools to complete the tasks very fast. All features implemented and tested in one go. I can really rely him to work on any JavaScript Full stack project. Will sure again hire him in future.
NN
Nathan N.
Jul 29, 2026
RAG app
He's very accessible for chat, calls, video sharing, and he has an understanding that is extremely valuable. I'm very pleased with our time, and plan to use him in the future. I chose him because of the other reviews, and I am glad I can reiterate that and leave Gurvinder 5 stars as well.
JD
Joseph D.
Jun 28, 2026
Software Developer Fixing Replit App
Gurvinder was a pleasure to work with. He's highly responsive, committed to the task, efficient, and capable.
RE
Ro E.
Jun 2, 2026
Full-Stack Developer — LINE Mini App & Smart Farming Platform
About Gurvinder
Full Stack Developer | React Developer | Next.js | Replit | Lovable
100%
Job Success
Chandigarh, India - 10:28 am local time
I'm a Senior Full Stack Developer with 12+ years of experience building, improving, and maintaining web scalable high performing applications. I specialize in React, Next.js, AI-Assisted development (Replit, Lovable, Claude code), Node.js, TypeScript, Supabase, API integrations, database architecture, authentication, and third-party integrations.
Beyond traditional full stack development, I work as a Replit Developer and Lovable Developer, helping clients take AI-generated prototypes from Replit, Lovable, Bolt.new, or Cursor and turn them into secure, production-grade applications. This includes fixing deployment issues, resolving performance bottlenecks, running database migrations, and building payment or third-party API integrations. I've delivered this across SaaS, eCommerce, healthcare, and education, with an emphasis on clean architecture and long-term maintainability.
🚀 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝘁𝗵𝗲 𝗧𝗮𝗯𝗹𝗲:
🔹 Full Stack Development (React | NextJS | JavaScript | MERN Stack)
I build end-to-end web applications using React.js, Next.js, JavaScript, TypeScript, Node.js, Express.js, and MongoDB. As an experienced React Developer, I focus on performance, scalability, maintainable architecture, and clean code practices. From responsive frontend interfaces to robust backend APIs, I deliver production-ready solutions using modern React and JavaScript best practices.
🔹 React Developer for SaaS applications
As a experienced SaaS Developer I have extensive experience building SaaS platforms, multi-tenant applications, dashboards, admin panels, and complex business systems using React, Next.js, JavaScript, and Node.JS. I develop scalable web applications that solve real-world business challenges while delivering exceptional user experiences.
🔹 API Development & Integrations
As a React Developer, I design and integrate secure REST APIs and GraphQL services for modern React and Next.js applications. My experience includes payment gateway integrations, ERP systems, CRM integrations, third-party services, and custom back-end architectures that seamlessly connect front-end and back-end systems.
🔹 React Performance & Optimization
A experienced developer understands that speed matters. I optimize React and Next.js applications using code splitting, lazy loading, SSR, SSG, caching strategies, bundle optimization, and modern JavaScript performance techniques to ensure fast-loading and highly responsive applications.
🔹AI-Assisted Development Workflow / AI-Driven Development
I use Cursor, Claude Code, Replit, Lovable to accelerate development while maintaining high code quality. Every AI-generated implementation is carefully reviewed, refined, and validated to ensure it is reliable, secure, and production-ready.
🔹 Scalable React Architecture
I design scalable architectures for startups and enterprises alike. Whether it's a monolithic application or a micro-services based system, I build maintainable and extensible solutions using React, Next.js, JavaScript, and Node.js that can grow with your business.
🔹 Communication & Collaboration
Beyond technical expertise, I believe successful projects require clear communication, transparency, and ownership
🔥 ROLES I TAKE ON (12+ YEARS EXPERIENCE)
✔ Full Stack Developer / Full Stack Engineer / Full Stack React Developer – SaaS platforms (Angular/React + Node.js), 10+ years
✔ Frontend Developer / Front-End Developer – 50+ UI builds, 12+ years
✔ React Developer / React.js / ReactJS Developer
✔ Node.js / NodeJS Developer / Python Developer / Backend Developer – 30+ APIs, 1M+ requests/month, 8+ years
✔ Next.js Developer / NextJS Developer – 10+ SSR/SSG SaaS platforms, 5+ years
✔ AI-assisted Developer / Replit Developer / Lovable Developer
🏭 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗪𝗶𝘁𝗵
✔️ SaaS & B2B Platforms
✔️ eCommerce
✔️ Healthcare
✔️ Education
✔️ Startups & Enterprises
🌟 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲
✅ Clean, Scalable Code
✅ Reliable & On-Time Delivery
✅ Strong Product Understanding
✅ Long-Term Collaboration Mindset
✅ Proven Experience (𝟯𝟬,𝟬𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀, 𝟭𝟬𝟬+ 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀)
✅ 𝟭 𝗠𝗶𝗹𝗹𝗶𝗼𝗻+ 𝗘𝗮𝗿𝗻𝗶𝗻𝗴𝘀 on Upwork
Whether you’re building a product from scratch, scaling an existing platform, or improving performance, I bring both technical expertise and business understanding to deliver real results
Full Stack Developer | JavaScript | React Developer | NextJS Developer | Claude Code | NodeJS | TypeScript | Saas Developer | Next.js Developer | Node.js | Backend Developer | Tailwind CSS | Replit | Lovable | Supabase | Bootstrap | Full Stack React Developer | Replit Developer | Lovable Developer | API Integration | GraphQL | AI-assisted Full Stack Developer | SaaS Developer | Microservices | Full Stack Developer | AWS | Scalable Architecture | MVP Development | Replit Developer
Steps for completing your project
After purchasing the project, send requirements so Gurvinder can start the project.
Delivery time starts when Gurvinder receives requirements from you.
Gurvinder works on your project following the steps below.
Revisions may occur after the delivery date.
Discussion
We'll explore your requirements, what you're seeking, and how my skills may assist you most effectively.
Planning Phase (For a Project From Scratch)
After gathering your details, I'll explore how to accomplish the objective cost-effectively and quickly. This phase includes competitor analysis, pain points, database schema planning, APIs, etc...