EXPLORE


5.3
5.3
100%
$16 USD / Hour
・

India (9:22 PM)
・
Joined on August 13, 2017
・
1 Recommendation
$16 USD / Hour
・
I help startups and businesses build scalable web applications and next-gen AI-powered products using both Large Language Models (LLMs) and emerging Large Concept Models (LCMs). With 12+ years of experience, I combine deep engineering expertise with AI-driven workflows to deliver faster, smarter, and production-ready solutions. 💡 What I Bring to the Table ✔ End-to-end product development (Idea → Design → Deployment) ✔ AI-powered systems using LLMs, LCMs & intelligent agents ✔ Clean, scalable, and maintainable architecture ✔ Faster delivery using AI-assisted workflows ✔ Pixel-perfect UI/UX with modern frameworks 🧠 AI Expertise (LLMs + LCMs) 🤖 Large Language Models (LLMs) OpenAI (GPT), Claude, Gemini AI Chatbots, Assistants & Agents RAG (Retrieval-Augmented Generation) Prompt Engineering & Context Optimization Function Calling & Tool Integration 🧩 Large Concept Models (LCMs) Designing systems that go beyond text → understand concepts, workflows, and multi-step reasoning Building AI agents that operate on structured + unstructured data together Concept-based reasoning for: Business workflows Decision systems Knowledge graphs Multi-modal AI integration (text + data + logic) Orchestrating AI pipelines using tools like n8n, LangChain, custom agent frameworks 👉 Result: More intelligent, context-aware, and decision-capable applications ⚡ Core Technical Expertise 🖥️ Frontend React.js, Next.js, Angular Tailwind CSS, Material UI, ShadCN SSR, SSG, performance optimization 🔧 Backend Node.js (Express, NestJS), .NET APIs REST & GraphQL APIs Microservices architecture 🔍 Search & Data Algolia (InstantSearch, Autocomplete, Analytics) Vector search & semantic search Elasticsearch, Redis 🗄️ Databases PostgreSQL, MongoDB, MySQL ☁️ Cloud & DevOps AWS (EC2, S3, Lambda, RDS) Docker, CI/CD pipelines 🏆 Experience & Achievements 💪 12+ Years Experience 🏆 Top Rated Plus Developer 💼 25+ Projects Delivered 🕰 8000+ Hours Worked 💰 Enterprise & Startup Solutions 🧩 Industry Experience ✔ FinTech ✔ Healthcare ✔ E-commerce ✔ SaaS Platforms ✔ AI-driven applications 🤖 AI-Powered Development Workflow Using modern tools like: Cursor Claude Code GitHub Copilot ✔ Faster development ✔ Better code quality ✔ Smart debugging & automation 🔥 Why Clients Choose Me ✔ Strong architecture & problem-solving skills ✔ Clear communication & daily updates ✔ Agile methodology & reliable delivery ✔ Focus on performance, scalability & UX ✔ Long-term support mindset 🎯 What You Can Expect ✔ Scalable, production-ready applications ✔ AI-powered intelligent features ✔ Clean, well-documented code ✔ On-time delivery 💬 Let’s Build the Future with AI If you're looking for someone who understands both current AI (LLMs) and next-gen AI systems (LCMs) — I can help you build smarter, future-ready products. 🚀 Send me a message or invite me to your project!
Verifications
On time
100%
On budget
100%
Accept rate
90%
Repeat hire rate
6%

Architected and developed App

Architected and developed App

Angular 21

Senior Architect and Lead Developer

Doc Med EHR

Rake Award (MEAN Stack)

Vententid (Nop Commerce)

Architected and developed App

Architected and developed App

Angular 21

Senior Architect and Lead Developer

Doc Med EHR

Rake Award (MEAN Stack)

Vententid (Nop Commerce)
Jignesh delivered the Angular form module as scoped, with code that fit our existing conventions. Always available to respond and proactive would consider him for similar work again.
Share
Good freelancer will work with him again
Share
I'd like to take a moment to recognize the valuable contributions from Jignesh as a Senior Architect/Lead Developer. His depth of technical expertise, clear architectural vision, and proactive leadership have been instrumental in driving the project forward. Their ability for collaboration is truly commendable. Great work!
Share
Jignesh is extremely fast, friendly, and professional. Thanks again.
Share
He is professional and easy to work with.
Share
Experience
Full Stack Developer (Freelancer/Remote)
Sep, 2024 - Present
•
1 year, 9 months
Freelancer
Sep, 2024 - Present
•
1 year, 9 months
• Developed modern web applications using React.js, Next.js, and Angular • Built backend systems with Node.js, NestJS, and .NET Core • Designed scalable REST APIs and microservices-based solutions • Delivered multiple projects in Agile environments with continuous client collaboration Projects: • https://postses.com/ • https://knotel.com/ • https://www.weddingo.ro • https://lexai-admin-fe.vercel.app/

Surat, India
Sep, 2024 - Present
•
1 year, 9 months
Senior Full Stack Developer | Team Lead (Remote)
Apr, 2025 - Jun, 2026
•
1 year, 2 months
Firely
Apr, 2025 - Jun, 2026
•
1 year, 2 months
• Architected and developed scalable applications using Next.js, Node.js, NestJS, and microservices architecture • Led a team of developers, managing sprint planning, task allocation, and code reviews • Integrated AI/ML components using Python for intelligent features • Improved system scalability and reduced response time through performance optimization Projects: • https://debateai-prototype.vercel.app/ • https://debatex-mvp.vercel.app/

New York, United States
Apr, 2025 - Jun, 2026
•
1 year, 2 months
Senior Software Developer (Remote)
Mar, 2023 - Aug, 2024
•
1 year, 5 months
Realgy Energy Services
Mar, 2023 - Aug, 2024
•
1 year, 5 months
• Led backend and frontend development using .NET Core, NodeJS and ReactJS frameworks • Improved system performance and optimized database queries • Designed scalable architecture and enhanced system reliability • Conducted R&D for adopting new technologies and tools

West Hartford, United States
Mar, 2023 - Aug, 2024
•
1 year, 5 months
Education
Gujarat Technological University (GTU)
2009 - 2013
•
4 years
Bachelor of Computer Science [Computer Engineering]

India
2009 - 2013
•
4 years
Certifications
P
Preferred Freelancer Program SLA
JavaScript