Generative AI, LLM & RAG Solutions | AI Agents | Production-Ready AI SaaS Applications | Enterprise AI Architectures | React, Next.js, Node.js & Laravel | Cloud-Native AI Products
❇️ TOP-RATED Freelancer on Upwork
❇️ 9+ Years of Senior Full-Stack Engineering Experience
❇️ 70+ Successfully Delivered Enterprise & SaaS Projects
❇️ Elite Track Record with 12,500+ Logged Hours
👋 Hi, I’m Mohit Kumar Nigam. I help startups and businesses build production-ready AI systems, scalable SaaS platforms, and robust web applications. With 9+ years of experience and 70+ delivered products, I specialize in combining Full-Stack Engineering + Artificial Intelligence to launch secure, maintainable, and highly optimized software built for real production environments.
🤖 1. AI SaaS, LLM & RAG Engineering
I build practical, high-performance AI systems powered by modern Large Language Models, frameworks, vector architectures
• LLM Development: OpenAI (GPT-4o/o3-mini), Claude, Gemini, DeepSeek-R1, Prompt Engineering, LLM Integration.
• AI Agents: LangChain, LlamaIndex, CrewAI, vLLM, Multi-Agent Systems, AI Copilots, Workflow Automation.
• RAG & Vector DBs: RAG, Semantic Search, Embeddings, Pinecone, PGVector, Vector Search.
• Multimodal AI: Vision AI, Whisper, OCR, Document AI, Image Understanding.
• AI SaaS & Full-Stack: React, Next.js, Node.js, Laravel, REST APIs, Cloud-Native AI Applications.
💻 2. Full-Stack & System Architecture
I deliver clean-code architectures utilizing modern frontend frameworks and backend systems.
• Frontend: High-performance interfaces using React.js, Next.js, TypeScript, and Tailwind CSS.
• Backend & APIs: Secure architectures built on Node.js (NestJS/Express), Laravel (PHP), and Python (FastAPI).
• Databases & Caching: Robust data layers via PostgreSQL, MySQL, MongoDB, and Redis caching.
• SaaS Utilities: Multi-tenant infrastructure, Stripe billing, and secure OAuth 2.0/JWT authentication.
📱 3. Cross-Platform Mobile Apps
• Frameworks: Production-ready mobile engineering using Flutter (Dart) and React Native (TypeScript).
• Ecosystems: Firebase integration, local data syncing, and automated App Store / Play Store deployment
☁️ 4. Cloud, DevOps & System Architecture
• Cloud Infrastructure: Multi-region deployments across AWS (S3, EC2, Lambda, ECS), GCP, Azure, and DigitalOcean.
• Modern DevOps: Containerization via Docker, orchestration via Kubernetes, and automated GitHub Actions / GitLab CI/CD pipelines.
• System Operations: Ironclad auth (OAuth 2.0, JWT, MFA, RBAC), advanced APIs (REST, GraphQL, WebSockets), and Stripe multi-tier monetization.
🏭 Industries I Serve
• AI & Automation Startups | FinTech, Banking & InsurTech | Healthcare, MedTech & HealthTech
• E-commerce, Marketplaces & Retail | EdTech & E-Learning Platforms | Logistics, Supply Chain & Fleet Management
• Real Estate & PropTech | Hospitality, Travel & Booking | MarTech & Marketing Automation
• Enterprise ERP/CRM Systems | LegalTech & Document Automation | Cybersecurity & Identity Management
🏆 Why Premium Clients Partner With Me
• System Architect: I do not build temporary prototypes; I architect clean code optimized for business growth.
• Verified Elite Execution: 12,500+ hours tracking real software development with a 100% satisfaction record.
• Full-Time Dedication: Available 40+ hours per week, matching your business hours for live technical strategy
✨ LET'S BUILD YOUR PRODUCT
Ready to launch your SaaS platform, build an MVP, or integrate cutting-edge AI features? Let’s connect to map out a bulletproof technical strategy.
📩 Click the "Message" button on the right to start your project today.
KEYWORDS
Full Stack Developer | Frontend Developer | Front-End Developer | Backend Developer | Back-End Developer | React.js Developer | Vue.js Developer | Next.js Developer | Node.js Developer | TypeScript Developer | JavaScript Developer | JavaScript Expert | React Native Developer | Flutter Developer | PHP Developer | Python Developer | Django Developer | Mobile App Developer | SaaS Developer | ERP Developer | Web App Developer | UI/UX Design | CRM Developer | Tailwind CSS | Bootstrap | API Integration | REST API | GraphQL Developer | Web App Development | Figma to HTML | WordPress Developer | Elementor Expert | WooCommerce | Shopify Developer | Custom Shopify App | Shopify Liquid | ACF | Payment Gateway Integration | Booking Website | ChatGPT Integration | OpenAI API | AI Chatbot Developer | AI Dashboard | LangChain | Claude Integration | AI Automation | Zapier Automation | Workflow Automation | Flutter App Developer | Ionic App | Hybrid App Development | Mobile App with API | Cross-Platform App | Android/iOS Developer | Firebase Integration | Laravel Developer | FastAPI Developer | Supabase | MySQL | PostgreSQL | MongoDB Developer | Docker | CI/CD Pipeline | GitHub Actions | AWS Deployment | GCP Deployment | Cursor | Lovable | Claude
Node.js
React
Vue.js
Next.js
AI Development
AI Agent Development
AI Bot
LLM Prompt Engineering
PHP
Laravel
WordPress
Shopify
TypeScript
CRM Development
CRM Automation
API Development
ChatGPT API Integration
Supabase
Mobile App Development
Flutter
Aryan K.
Delhi, India
$15/hr
5.0
6 jobs
I build AI-powered systems that go straight to
production — LLM agents, RAG pipelines, computer
vision, and full-stack AI backends for startups
and SaaS companies worldwide.
✮ 100% Job Success Score
✮ 5-Star Reviews Across All Contracts
✮ $10K+ Earned on Upwork
✮ 0-4 Hour Response Time
✮ Active Clients in Japan, US, and India
✮ Available Now
[ What I Build For You ]
✮ AI Engineer and LLM Agent Developer
✮ RAG Pipeline Engineer
✮ Computer Vision Engineer
✮ FastAPI and Python Backend Developer
✮ Full Stack AI Developer
✮ AWS Cloud and DevOps Engineer
✮ AI Automation and Workflow Developer
✮ SaaS AI Product Developer
I specialise in turning AI ideas into production
systems — not demos, not prototypes, but real
software that scales and ships fast.
[ AI Agents and LLM Systems ]
✮ LangChain and LangGraph agent development
✮ Claude API, OpenAI API, Gemini API integration
✮ RAG pipeline development from scratch
✮ Vector databases — Pinecone, FAISS, ChromaDB
✮ Prompt engineering and hallucination reduction
✮ Multi-agent orchestration and tool use
✮ Gmail API, Slack API, Notion API, Sheets API
✮ Human-in-the-loop approval workflows
✮ LLM cost optimisation and token tracking
✮ AI workflow automation for SaaS businesses
[ Computer Vision Systems ]
✮ YOLOv8 and UNet model training and deployment
✮ Object detection and semantic segmentation
✮ Real-time video analysis and CCTV AI systems
✮ Medical image analysis and industrial vision
✮ OpenCV, dlib, TensorFlow, Keras, PyTorch
✮ Custom model fine-tuning on domain datasets
✮ Computer vision APIs and edge deployment
[ Backend and API Development ]
✮ FastAPI and Python backend development
✮ REST API design, integration, and testing
✮ JWT authentication and OAuth2 implementation
✮ PostgreSQL, MongoDB, MySQL database design
✮ Async Python and scalable architecture
✮ Node.js, Ruby on Rails, React, TypeScript
✮ Full stack SaaS backend development
[ Cloud and DevOps ]
✮ AWS — EC2, S3, Lambda, SQS
✮ Google Cloud Storage integration
✮ Docker containerisation
✮ CI/CD pipelines and GitHub Actions
✮ MLOps — model monitoring and retraining
✮ Cloud infrastructure for AI systems
[ Production Results Delivered ]
✮ Real-time CCTV anomaly detection system —
10,000+ frames per day, 90%+ accuracy,
60% reduction in manual workload
(YOLOv8 + OpenCV + FastAPI + AWS)
✮ AI avatar interview SaaS platform —
300+ enterprise clients across 32 languages
(Ruby on Rails + React + LLM integration)
✮ Multi-agent LLM workflow systems —
RAG pipelines shipped to production in days
(LangChain + LangGraph + Claude API)
✮ Patient monitoring tracking system —
Healthcare-grade CV pipeline on AWS
(YOLOv8 + OpenCV + AWS Lambda)
[ Why Clients Choose Me ]
✮ Production-first mindset — I build for scale,
not demos
✮ End-to-end ownership from architecture to
deployment
✮ Active international clients in Japan and India
✮ Fast communication — 0-4 hour response time
✮ 100% Job Success Score and 5-star reviews
[ Keywords ]
AI Engineer | Python Developer | LangChain Developer
LLM Engineer | RAG Developer | AI Agent Developer
Computer Vision Engineer | YOLOv8 Developer
FastAPI Developer | Backend Python Developer
AWS Engineer | Full Stack AI Developer
OpenAI API Developer | Claude API Developer
Gemini API Developer | LLM Integration Developer
LangGraph Developer | Vector Database Developer
Pinecone Developer | FAISS Integration Developer
RAG Pipeline Developer | Prompt Engineer
AI Automation Developer | AI SaaS Developer
Machine Learning Engineer | Deep Learning Engineer
Object Detection Developer | Image Segmentation
REST API Developer | Node.js Developer
React Developer | TypeScript Developer
Ruby on Rails Developer | MongoDB Developer
PostgreSQL Developer | Docker Developer
CI/CD Engineer | MLOps Engineer
AI Backend Developer | Real-time AI Systems
Production AI Systems | Scalable AI Development
SaaS AI Developer | Startup AI Engineer
Remote AI Engineer | International AI Developer | Full Stack Developer | Full Stack | Mobile App Full Stack Developer | SaaS Application Development | Full Stack SaaS Developer | MERN Full Stack developer | MEAN Stack developer | Full Stack Developer React Node | React Full Stack Developer| Node Full Stack Developer | Next.js full stack developer | MongoDB full stack developer| REST API Full Stack Developer | JAVA Full Stack Developer| SPRINGBOOT Full Stack Developer| MICROSERVICES full stack Developer|Kafka full stack developer|Angular Full Stack Developer| React Developer | Node.js Full Stack Developer| React Node | Backend nodejs Full Stack Developer| node.js full stack developer | Full Stack MERN | MERN MEAN full stack developer| MERN developer | MERN stack | MEAN developer | .NET developer | .NET core | Full Stack .NET Developer | Azure Full Stack Developer | AWS Full Stack Developer| Google Cloud | REST API Full Stack Developer | Salesforce
If you need an AI engineer who ships production
systems fast — message me and let's build it.
Python
Artificial Intelligence
Machine Learning
Deep Learning
Computer Vision
Task Automation
Selenium
Back-End Development
API Testing
AWS CodeDeploy
Amazon EC2
CI/CD
Amazon Web Services
Cloud Computing
Inderjit S.
Ludhiana, India
$15/hr
4.7
159 jobs
🟢𝗝𝘂𝘀𝘁 𝗶𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯!🟢
|| 𝗜𝗡𝗗𝗘𝗣𝗘𝗡𝗗𝗘𝗡𝗧 𝗙𝗥𝗘𝗘𝗟𝗔𝗡𝗖𝗘𝗥 || 𝗜𝗠𝗠𝗘𝗗𝗜𝗔𝗧𝗘 𝗝𝗢𝗜𝗡𝗘𝗥 || 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗶𝗻 𝗘𝗦𝗧, 𝗖𝗗𝗧 & 𝗘𝗗𝗧 𝗧𝗶𝗺𝗲𝘇𝗼𝗻𝗲𝘀
𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 𝗳𝗼𝗿 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗦𝘆𝘀𝘁𝗲𝗺𝘀
I help agencies, startups, and service businesses automate operations, build intelligent systems, and develop scalable software using AI, automation, and modern web technologies.
With 8+ years of experience in full stack development and workflow automation, I specialize in creating reliable, production-ready solutions that improve efficiency, reduce costs, and support long-term growth.
My focus is on building systems that work in real business environments not fragile demo setups.
𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗮𝗻𝗱 𝗧𝗼𝗼𝗹𝘀
Automation: n8n, Zapier, Make, GoHighLevel
AI: OpenAI API, Claude, Google AI Studio, LangChain, RAG Systems
Frontend: React, Next.js, TypeScript, TailwindCSS
Backend: Node.js, Supabase, Firebase, Express
Databases: PostgreSQL, MongoDB, MySQL
Cloud: AWS, Vercel, Docker
Low-Code: Lovable, Replit, Claude Code
Payments: Stripe
𝗦𝗲𝗹𝗲𝗰𝘁𝗲𝗱 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲
• Built AI-driven CRM and automation systems for agencies
• Developed voice and chat assistants for service businesses
• Created multi-tenant SaaS platforms with billing and analytics
• Developed and customized Base44-style applications for startups
• Automated marketing, onboarding, and reporting workflows
• Integrated AI tools into existing enterprise systems
Keywords:
AI Automation Expert | AI Workflow Engineer | SaaS Developer | SaaS Application Developer | Full Stack Developer | Startup MVP Developer | Rapid MVP Builder | Base44 App Developer | Lovable Developer | No-Code App Builder | Low-Code Developer | Vibe Coding Specialist | AI-Assisted Development | Zapier Specialist | n8n Expert | Make Automation | GoHighLevel Developer | CRM Automation Expert | Business Process Automation | API Integration Specialist | Webhook Developer | OpenAI API Developer | ChatGPT Integration | Claude AI Developer | Google AI Studio Developer | AI Agent Builder | RAG System Developer | Voice AI Developer | AI Chatbot Developer | Supabase Developer | Firebase Developer | PostgreSQL Developer | MongoDB Developer | Stripe Integration Expert | Subscription Billing Developer | React Developer | Next.js Developer | Node.js Backend Developer | Cloud App Developer | AWS Developer | Vercel Deployment | Docker Engineer | Automation Consultant | System Integration Engineer | Digital Transformation Specialist | Agency Automation Expert | Lead Automation Specialist
MongoDB
Node.js
n8n
React
TypeScript
Next.js
NestJS
Twilio
Zapier
Zoho CRM
Make.com
AI Agent Development
AI Development
HubSpot
WhatsApp
Het P.
Kadi, India
$15/hr
5.0
4 jobs
🚀 Full Stack Developer | React, Node.js, Next.js, MongoDB | MERN Stack & Scalable Web Applications
Hey there! 👋 I'm Het, a Full Stack Developer with 5+ years of experience building scalable web applications. As a Full Stack Developer, I specialize in the MERN stack delivering clean, production-ready solutions. I'm a Full Stack Developer who handles frontend, backend, database, and cloud so you work with one developer, not an entire team.
🏆 5.00 ★★★★★ Client Feedback
✅ 5+ Years of Full Stack Developer Experience
✅ End-to-End Product Ownership
✅ Modern, Maintainable & Scalable Code
𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝 𝐟𝐨𝐫 𝐘𝐨𝐮 𝐀𝐬 𝐚 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫:
➡️ 𝐒𝐚𝐚𝐒 & 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬
As a Full Stack Developer, I build SaaS platforms, SPAs, and PWAs using MongoDB, Express js, React js, and Node js clean architecture from day one.
➡️ 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 & 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧
As a Full Stack Developer, I seamlessly connect responsive frontends with robust backend systems using REST APIs, JWT, and OAuth authentication.
➡️ 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬
A Full Stack Developer who speaks both frontend and backend I deliver RESTful and GraphQL APIs, third-party service integrations, and event-driven backends that power real-world products.
➡️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐃𝐚𝐭𝐚 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭
As a Full Stack Developer, I design optimized database schemas and ensure smooth, secure data flow across MongoDB and PostgreSQL.
➡️ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭
As a Full Stack Developer, I deploy scalable systems on Azure with Docker and CI/CD pipelines built to handle real traffic without breaking a sweat.
➡️ 𝐔𝐈/𝐔𝐗 𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐜𝐞
As a Full Stack Developer, I craft modern, responsive interfaces using React js, Next js, Tailwind CSS, Bootstrap, and MUI - UIs your users will actually enjoy.
➡️ 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞 𝐒𝐲𝐬𝐭𝐞𝐦𝐬
As a Full Stack Developer, I build real-time features using WebSockets and event-driven architecture, from live dashboards to collaborative tools.
𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 𝐀𝐬 𝐓𝐡𝐞𝐢𝐫 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫:
✅ 𝐅𝐮𝐥𝐥 𝐎𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 - I handle frontend, backend, database, and cloud as one Full Stack Developer
✅ 𝐂𝐥𝐞𝐚𝐧 𝐂𝐨𝐝𝐞 - Modular, maintainable, reusable components built to last
✅ 𝐒𝐜𝐚𝐥𝐞𝐬 𝐖𝐞𝐥𝐥 - Architecture designed for growth from day one
✅ 𝐒𝐭𝐚𝐫 𝐑𝐚𝐭𝐞𝐝 - 5.00★ feedback from every client I've worked with
✅ 𝐂𝐥𝐞𝐚𝐫 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 - Plain English updates, no tech jargon
✅ 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 - I ship on time and stay accountable throughout
𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤:
⚡ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 → React js, Next js, Angular, TypeScript, JavaScript, Tailwind CSS, Bootstrap, MUI
⚡ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 → Node js, Express js, REST APIs, GraphQL
⚡ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 → MongoDB, PostgreSQL
⚡ 𝐂𝐥𝐨𝐮𝐝 → Azure, Docker, CI/CD
⚡ 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 → Git, VS Code
𝐖𝐡𝐚𝐭 𝐘𝐨𝐮'𝐥𝐥 𝐆𝐞𝐭:
✔️ A production-ready product built around your business goals
✔️ Fast, responsive UI your users will actually enjoy using
✔️ Robust backend systems built to handle real traffic and scale
✔️ Seamless API integrations and real-time features
✔️ Complete Full Stack ownership from first line of code to deployment
🌟 𝐋𝐞𝐭'𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐆𝐫𝐞𝐚𝐭 🌟
Whether you're launching a new product, scaling an existing one, or need a reliable Full Stack Developer to own the entire stack I'm here to take it from idea to deployed product.
📩 Send me a message or invite me to your project. Let's talk. 🚀
Keywords:
Full Stack Developer | MERN Stack Developer | Senior Full Stack Developer | React Developer | Node js Developer | Full Stack Developer MERN | Next js Developer | MongoDB Developer | Expert Full Stack Developer | Express js Developer | GraphQL Developer | Full Stack Developer SaaS | Backend Developer | TypeScript Developer | Full Stack Developer React Node | Angular Developer | PostgreSQL Developer | Full Stack Developer API | Web Application Developer | Cloud Developer | Full Stack Developer MongoDB | DevOps Developer | REST API Developer | Full Stack Developer Azure | Docker Developer | CI CD Developer | Full Stack Developer UI UX | JavaScript Developer | Full Stack Developer MVP | Frontend Developer | WebSocket Developer | Full Stack Developer Clean Code | SaaS Developer | Full Stack Developer Scalable | API Developer | Full Stack Developer Bootstrap | MUI Developer | Full Stack Developer Docker | Tailwind Developer | Full Stack Developer WebSocket | UI UX Full Stack Developer
𝗜 𝗱𝗼𝗻’𝘁 𝗷𝘂𝘀𝘁 𝗰𝗼𝗱𝗲 — 𝗜 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱, 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗵𝗮𝘁 𝗵𝗲𝗹𝗽 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝘀𝗰𝗮𝗹𝗲 𝗳𝗮𝘀𝘁𝗲𝗿, 𝗰𝘂𝘁 𝗰𝗼𝘀𝘁𝘀, 𝗮𝗻𝗱 𝗴𝗿𝗼𝘄 𝗿𝗲𝘃𝗲𝗻𝘂𝗲 𝗯𝘆 𝟮𝟱%+.
Clients trust me for my mix of startup agility, enterprise discipline, and clear communication, turning every project into a long-term growth engine, not just a software build.
𝟴+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗢𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽 | 𝗕𝘂𝗶𝗹𝘁 𝗳𝗼𝗿 𝗦𝗰𝗮𝗹𝗲
🔧 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
Frontend:
Angular (2+), React.js, Next.js, HTML5, CSS3, Tailwind CSS, Bootstrap
Backend:
Node.js, NestJS, Express.js, Python (Flask, FastAPI)
Mobile:
React Native, Ionic
Databases & Cloud:
PostgreSQL, MySQL, MongoDB, Firebase
AWS (S3, Lambda), Google Cloud
AI/ML Integration:
OpenAI, GPT-based chat interfaces, smart automations
𝗢𝘁𝗵𝗲𝗿 𝗦𝗸𝗶𝗹𝗹𝘀:
REST & GraphQL API development
Authentication & RBAC
Payment gateway integration
CI/CD workflows
Microservices architecture
Performance tuning & monitoring
💼 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼
-Architect and develop scalable, high-performance web and mobile platforms
-Deliver clean, maintainable, and secure code
-Drive end-to-end project delivery — from concept and planning to launch and post-release support
-Translate business goals into robust tech solutions
-Collaborate directly with stakeholders — no middle layers
𝗪𝗵𝘆 𝗧𝗲𝗮𝗺𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲
✅ 100% ownership mindset — I treat your product like my own
✅ Scalable, future-proof architecture from day one
✅ Business-first thinking, backed by solid tech execution
✅ Clear and frequent communication
✅ Fast, focused, and flexible — just like your product needs
Let’s turn your vision into a digital product that delivers.
MongoDB
JavaScript
Node.js
Angular
ExpressJS
NestJS
React
TypeScript
MySQL
PostgreSQL
Web Design
Web Development
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
How do I hire a MongoDB Developer in India on Upwork?
You can hire a MongoDB Developer in India on Upwork in four simple steps:
Create a job post tailored to your MongoDB Developer project scope. We'll walk you through the process step by step.
Browse top MongoDB Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top MongoDB Developer profiles and interview.
Hire the right MongoDB Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a MongoDB Developer?
Rates charged by MongoDB Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a MongoDB Developer in India on Upwork?
As the world's work marketplace, we connect highly-skilled freelance MongoDB Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream MongoDB Developer team you need to succeed.
Can I hire a MongoDB Developer in India within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive MongoDB Developer proposals within 24 hours of posting a job description.