Hire the Best Open Source Developers
in India
Noida, India
๐ง๐ผ๐ฝ ๐ฅ๐ฎ๐๐ฒ๐ฑ ๐๐ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ & ๐๐๐น๐น-๐ฆ๐๐ฎ๐ฐ๐ธ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ | 8+ ๐ฌ๐ฒ๐ฎ๐ฟ๐ | ๐ญ% ๐ผ๐ณ ๐จ๐ฝ๐๐ผ๐ฟ๐ธ | ๐ญ๐ฌ๐ฌ% ๐๐ผ๐ฏ ๐ฆ๐๐ฐ๐ฐ๐ฒ๐๐. โ $300K+ Total earnings โ 8+ Years experience as Fullstack Developer โ 80+ Projects Completed. โ Top Rated Plus. โ 100% Job Success Rate. โ AWS certified โ Python certified โ 50hrs/week available โ 4+ AI/ML Integrations ๐ด I am in the ๐ง๐ผ๐ฝ ๐ญ% overall on Upwork. ๐ด I am in the ๐ง๐ผ๐ฝ ๐ฐ% overall on Stack Overflow. ๐๐ ๐๐ ๐๐ง๐ญ / ๐๐จ๐ข๐๐ ๐๐ ๐๐ง๐ญ๐ฌ: ๐๐ซ๐๐ฐ๐๐ / ๐๐ฎ๐ญ๐จ๐๐๐ง / ๐๐ฆ๐๐ณ๐จ๐ง ๐๐จ๐ฅ๐ฅ๐ฒ / ๐๐๐๐ฉ๐ ๐ซ๐๐ฆ / ๐๐๐ฌ๐ ๐๐ / ๐๐ข๐ฏ๐๐ซ๐ฌ๐ข๐๐ ๐๐๐ / ๐๐ณ๐ฎ๐ซ๐ ๐๐ ๐๐ฉ๐๐๐๐ก/๐๐๐ ๐ ๐ข๐ง๐๐ญ๐ฎ๐ง๐ข๐ง๐ : ๐๐ฌ๐ข๐ง๐ ๐๐๐ ๐ / ๐๐จ๐๐ / ๐๐๐จ๐๐ / ๐๐๐๐ / ๐๐๐ / ๐๐ ๐ ๐ฐ๐ข๐ญ๐ก ๐๐ง๐ฌ๐ฅ๐จ๐ญ๐ก / ๐๐ฑ๐จ๐ฅ๐จ๐ญ๐ฅ / ๐๐ฎ๐ ๐ ๐ข๐ง๐ ๐ ๐๐๐ ๐๐ฎ๐ญ๐จ๐๐ซ๐๐ข๐ง / ๐๐๐ ๐๐๐๐ค๐๐ซ ๐๐ซ๐๐ข๐ง๐ข๐ง๐ /๐๐ฉ๐๐ง-๐๐จ๐ฎ๐ซ๐๐ ๐๐๐๐ฌ: ๐๐๐๐๐ ๐ / ๐๐ข๐ฌ๐ญ๐ซ๐๐ฅ ๐๐ / ๐๐ข๐ฑ๐ญ๐ซ๐๐ฅ ๐๐ฑ๐๐ / ๐ ๐๐ฅ๐๐จ๐ง / ๐๐๐ฆ๐ฆ๐ / ๐๐ฅ๐จ๐จ๐ฆ / ๐๐ซ๐๐ ๐๐ข๐ง๐ข / ๐๐ฎ๐๐ง๐๐๐จ/๐ ๐๐ฌ๐ญ ๐๐ง๐๐๐ซ๐๐ง๐๐: ๐ฏ๐๐๐ / ๐๐๐ / ๐๐๐ง๐ฌ๐จ๐ซ๐๐-๐๐๐ / ๐๐๐๐ข๐ฅ๐จ๐ญ/๐๐ซ๐จ๐ฆ๐ฉ๐ญ ๐๐ง๐ ๐ข๐ง๐๐๐ซ๐ข๐ง๐ : ๐๐ฎ๐ฅ๐ญ๐ข-๐ญ๐ฎ๐ซ๐ง / ๐ ๐๐ฐ-๐ฌ๐ก๐จ๐ญ / ๐๐๐ซ๐จ-๐ฌ๐ก๐จ๐ญ / ๐๐๐-๐๐๐ฌ๐๐ / ๐๐ซ๐จ๐ ๐ซ๐๐ฆ๐ฆ๐๐๐ฅ๐ ๐๐ข๐ฉ๐๐ฅ๐ข๐ง๐๐ฌ/๐๐ฎ๐๐ง๐ญ๐ข๐ณ๐๐ญ๐ข๐จ๐ง: ๐๐๐ / ๐๐๐๐ / ๐๐๐๐ / ๐๐๐๐ / ๐๐๐๐๐ / ๐๐๐ / ๐๐/๐๐๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ & ๐๐๐ญ๐๐๐๐ฌ๐๐ฌ: ๐๐๐ง๐ ๐๐ก๐๐ข๐ง / ๐๐ฅ๐๐ฆ๐๐๐ง๐๐๐ฑ / ๐๐ก๐ซ๐จ๐ฆ๐ / ๐ ๐๐๐๐ / ๐๐ข๐ง๐๐๐จ๐ง๐ / ๐๐๐ซ๐๐ง๐ญ / ๐๐๐๐ฏ๐ข๐๐ญ๐ / ๐๐ข๐ฅ๐ฏ๐ฎ๐ฌ Greetings! I am Atul Kumar, a seasoned developer with over 8+ years of experience in web application and software development. Working with LLMs for the past 8+ years and have good expertise in AI Agents development using langchain, LlamaIndex, and LLMs like Claude, GPT4o, Amazon Bedrock, Ollama ๐น AI Agents / Voice Agents: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI ๐น LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, HuggingFace AutoTrain ๐น Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8ร7B, Falcon, Gemma ๐น Inference Optimization: vLLM, TGI, TensorRT-LLM ๐น Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts ๐น Quantization: AWQ, GPTQ, GGUF, GGML ๐น RAG Systems: LangChain, LlamaIndex, ChromaDB, FAISS, Pinecone, Qdrant ๐น Data Pipeline: Synthetic dataset generation, LLM evaluation frameworks ๐น LLM Deployment: AWS Sagemaker, RunPod, GCP AI Platform, Vercel AI SDK ๐ฅ๏ธ ๐๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ ๐ฆ๐ธ๐ถ๐น๐น๐: ๐น Proficient in Node.js, Express.js, Python, Django, Flask, AWS Lambda for backend API. ๐น Experienced with relational & NoSQL databases: MySQL, PostgreSQL, MongoDB, Firebase, Firestore. ๐น Skilled in Python FastAPI, REST API, GraphQL API development, and database schema design. ๐น Knowledgeable in Redis, Docker, Kubernetes, AWS EC2, S3, Nginx for scalable infrastructure. ๐น Experienced with Nest.js for enterprise-grade server-side applications. ๐น LangChain, LangServe, LangSmith, HuggingFace, Transformers for AI/LLM integrations. ๐น Vector Databases: Chroma, FAISS, Pinecone, Qdrant for RAG pipelines. ๐น Low-code AI tools: Flowise AI, LangFlow, StackAI for rapid prototyping. ๐น Familiar with Celery task queues, testing frameworks (Pytest, Unittest), and automation tools like Selenium. ๐ ๐๐ฟ๐ผ๐ป๐๐ฒ๐ป๐ฑ ๐ฆ๐ธ๐ถ๐น๐น๐: ๐น Proficient in TypeScript, Redux Toolkit, Tailwind CSS with Next.js for high-performance frontends. ๐น Skilled in building Progressive Web Apps (PWA) and Single Page Applications (SPA). ๐น Expert in Vue.js, Nuxt.js, React.js, Next.js, HTML5, CSS3, React Native for responsive and cross-platform UIs. ๐ ๏ธ ๐ง๐ผ๐ผ๐น๐ & ๐ง๐ฒ๐ฐ๐ต๐ป๐ผ๐น๐ผ๐ด๐ถ๐ฒ๐: ๐น Skilled in Python ML libraries: Scikit-learn, Numpy, Pandas, Matplotlib, Seaborn. ๐น Familiar with OpenAI APIs, Whisper, GPT models, ChatGPT integration, and AI chatbot deployment. ๐น Experienced with AWS (Lambda, S3, EC2, Sagemaker), Git/GitHub, and Linux environments (Ubuntu, CentOS). ๐ ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐๐ & ๐๐๐ ๐ฆ๐ธ๐ถ๐น๐น๐: ๐น AI Agents / Voice Assistants: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI. ๐น Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8ร7B, Falcon, Gemma. ๐น Inference Optimization: vLLM, TGI, TensorRT-LLM for high-speed deployments. ๐น Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts. ๐น Quantization: AWQ, GPTQ, GGUF, GGML for efficient LLM deployment. ๐น LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, H My expertise spans both frontend and backend technologies, as well as a variety of tools and additional skills that enable me to deliver comprehensive solutions. I am dedicated to providing high-quality, efficient solutions that cater to the unique needs of each project. My diverse skill set allows me to approach challenges from multiple angles, ensuring robust and innovative solutions. Warm regards, Atul Kumar
- AI Bot
- AI Chatbot
- AI Development
- AI Text-to-Speech
- AI Text-to-Image
- AI Speech-to-Text
- AI App Development
- AI Agent Development
- AI Mobile App Development
- AI Image Generation
- AI Implementation
- AI Platform
- AI Model Integration
- AI Security
- AI Trading
Ghaziabad, India
โ Top Rated SAP & BTP Expert on Upwork. โ 100+ Happy Customers โ Successfully finished over a 500+ projects. โ 5 Star Ratingโญโญโญโญโญ โ 100% Job completed with client satisfaction on Upwork. โ More than 3500+ hours worked on Upwork. I am SAP Certified Expert, my main objective is to provide excellent service with timely, accurate, and professional results. I'm looking for unique projects & challenges as SAP ABAP / SAP BTP / Implementation / Customization / Development. * SAP S/4 HANA Consultant: Above 14+ years of work experience in SAP S/4 HANA Private & Public Cloud using CDS Views, SAP BTP(Cloud Foundry, Integration Suite, Advance Event Mesh, Open connectors) etc. for numerous clients in implementation, support, rollout and upgrade/migration projects. Expertise in coding. SAP BRIM: Worked on the SAP Subscription Billing, SAP Entitlement Management. SAP Ariba: Worked on the Ariba Network, Ariba Buyer and Invoicing, Ariba Sourcing, Ariba developer Portal to develop the APIs, create postman collections for the integrations with 3rd party applications. Since 2010, working as an ABAP developer to participate in SAP R/3 ECC, SAP S/4 HANA(Private & Public Cloud edition), SAP Business ByDesign and other SAP Cloud applications, deployment / improvement, customizing systems and new functionalities, developing solution and performing validation tests with functional area and key user. I have full life cycle experience on many of these projects i.e. developing programs, unit testing, integration testing, documentation and post go live support. Development experience runs across in MM, SD, FICO, PS, HCM, PM, CRM, WM/EWM in SAP Ariba, SAP Concur, SAP Successfactors, SAP CRM, SAP MDG, S4 HANA applications with ease of working with other modules, have excellent understanding on the Order to Cash(OTC), Procure to Pay(P2P). Odoo - Worked in Odoo/OpenERP as a Techno-Functional in CRM, Sales, Purchase, Inventory, Accounting, Manufacturing, HR, Payroll etc., Expertise is in the customization of existing modules and creating new modules from scratch to integrate into the system as per requirements. Also worked on multiple projects in Odoo/OpenERP development and provided throughout solution with expert level of customization. Good experience in integration from SAP to Non-SAP and vice versa & after doing SIT(System integration Testing), UAT and rich experience in S/4 HANA on premise and cloud with migration. * ABAP expert: Expertise in coding with OOPS - - Reports: Classical, ALV, Interactive. - Creating custom programs. - Data Dictionary: Defining and maintaining data types, domains, database structures, database tables, maintenance & cluster views. - Module Pool. - Smartforms / Adobe Forms. - Create function modules / BADI / BAPI / Enhancements / User-Exit / BTE. - Workflows. - ABAP on HANA, SAP BTP, CDS Views, AMDP. - BDC, LSMW & Data Conversions. - OSS notes implementations. - Infoset/ABAP/Ad-hoc Queries. - Logical Database. - Performance tuning and Runtime Analysis. - Modularization Techniques. - Extensively worked in RFC / Idocs / XML messages / Interfaces. - SAP Proxies / Odata / Web services / WSDL / SOA Manager. - BRF+ / Decision Tables / Functions / Rules. - Dell Bhoomi integration with SAP using RFC/BAPI. - SAP Business ByDesign(ByD) integration. - Hana cloud integration(HCI) / Cloud platform integration(CPI) with SAP Successfactors, SAP Concur. - SAP CRM customizing expert. Expertise in design / Coding / Testing / Support related work / Integration / Migrations / Conversion (ECC to S4) / Upgrade.
- Open Source
- SAP HANA
- ABAP
- SAP Implementation
- Application Integration
- SAP
- SAP ERP
- API Integration
- SAP Cloud Platform Integration
- API Development
- Web Service
- SAP SD
- Odoo
- Odoo Development
- Odoo Administration
- SAP BASIS
- Data Extraction
Hamirpur, India
Hi, Iโm Sunita โ a Full-Stack Developer with 12+ years of experience building custom software, SaaS platforms, CRM systems, and AI-powered applications. I create practical, high-quality solutions that help businesses work faster, smarter, and more efficiently. Iโve worked across Fintech, SaaS, eCommerce, Social Media, and Automation projects, delivering strong results with both frontend and backend technologies. My skills include: --------------------- Frontend: ReactJS, AngularJS, VueJS, JavaScript, TypeScript, HTML5, TailwindCSS Backend: NodeJS, ExpressJS, PHP, Laravel, Python, Django, REST APIs Database: MongoDB, PostgreSQL, MySQL AI: Chatbots, semantic search, invoice processing, image analysis, sentiment analysis Tools: Asana, Azure DevOps, AWS, server setup, migrations Services I offer: ------------------------- AI and automation solutions Custom CRM and software development Full-stack web development Website speed optimization and theme customization Hosting setup and seamless migrations Why work with me: ================ Reliable and detail-oriented Strong problem-solving skills Available 45 hrs per week Comfortable with both short-term and long-term projects Iโm passionate about turning ideas into real, working products that make a difference. Letโs connect and build something great together!
- Open Source
- Web Development
- Web Application
- Artificial Intelligence
- Laravel
- MySQL
- Software
- React
- MERN Stack
- Web Application Development
- Node.js
- JavaScript
- Full-Stack Development
Kolkata, India
Expert Full-Stack Developer & Creative Technologist As a versatile developer based in India, I specialize in crafting innovative digital solutions that bridge technology and user experience. With a comprehensive skill set spanning web, mobile, and AI integration, I transform ideas into polished, production-ready applications. Core Expertise -> Full-Stack Web Development: Building responsive, scalable web applications from frontend to backend -> Android App Development: Creating native mobile experiences that users love -> AI Integration Specialist: Seamlessly incorporating cutting-edge AI models (Gemini, ChatGPT, Open Source) into web and mobile applications Why Work With Me -> Innovation-Driven: I thrive on finding creative solutions to complex technical challenges -> Continuous Learner: Constantly expanding my skill set to stay ahead of technological trends -> Collaborative Approach: Strong communication skills and a proven track record of successful project deliveries -> Result-Oriented: Focused on creating impactful solutions that drive real business value Let's discuss how I can help bring your vision to life. I'm ready to contribute my technical expertise and creative problem-solving skills to your next project.
- Next.js
- React
- Web Development
- Android App
- AI Implementation
- OpenAI API
- AI Bot
- AI Chatbot
- Kotlin
Bengaluru, India
Senior Full Stack AI Developer โญ ๐๐จ๐ฉ ๐๐๐ญ๐๐ ๐๐ฅ๐ฎ๐ฌ | ๐๐๐% ๐๐จ๐ ๐๐ฎ๐๐๐๐ฌ๐ฌ | ๐๐๐+ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐๐ | ๐๐,๐๐๐+ ๐๐จ๐ฎ๐ซ๐ฌ ๐จ๐ง ๐๐ฉ๐ฐ๐จ๐ซ๐ค with 9+ years building production Ai-Powered SaaS, MVP Development, Automation ai for startups and scaling businesses worldwide. โญ ๐๐จ๐ฉ ๐๐๐ญ๐๐ ๐๐ฅ๐ฎ๐ฌ | ๐๐๐% ๐๐จ๐ ๐๐ฎ๐๐๐๐ฌ๐ฌ | ๐๐๐+ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐๐ | ๐๐,๐๐๐+ ๐๐จ๐ฎ๐ซ๐ฌ ๐จ๐ง ๐๐ฉ๐ฐ๐จ๐ซ๐ค I help startups, SaaS founders, and growing businesses build scalable, high-performance web applications from MVP to enterprise-ready platforms. ๐๐๐๐ ๐ ๐๐๐๐๐ ๐๐ฌ ๐๐ฎ๐ฅ๐ฅ-๐ฌ๐ญ๐๐๐ค ๐๐ข ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐น Full Stack Web Apps: React, Next.js, Node.js, Express, Python, PostgreSQL, MongoDB ๐น API Integrations: Stripe, Gmail OAuth, Google Calendar, WhatsApp Business, Twilio ๐น AI SaaS Products: LLM-powered chatbots, RAG systems, vector search, AI agents (OpenAI, Claude, LangChain) ๐น Production Infrastructure: AWS, scalable architectures, secure auth (JWT, OAuth 2.0) ๐น AI Automation Workflows: n8n, Retell AI, GoHighLevel, custom multi-agent pipelines ๐๐๐ ๐ ๐๐๐๐ ๐๐๐๐ ๐๐ ๐๐ ๐ ๐๐๐-๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐ - SaaS founders building AI-native products from 0 โ 1 - Established platforms adding LLM features to existing stacks - Agencies and product teams needing senior engineering support - Businesses automating sales, support, and operations with AI ๐๐๐๐ ๐๐๐๐๐ ๐๐ ๐ ๐๐๐ ๐๐๐๐๐ ๐๐ ๐๐๐๐๐๐๐๐๐ โ Frontend: React, Next.js, TypeScript, Tailwind โ Backend: Node.js, Express, Python, FastAPI โ AI/LLM: OpenAI API, Anthropic Claude API, LangChain, RAG, Vector DBs (Pinecone, Weaviate) โ Automation: n8n, MakeDotcom, Zapier, Retell AI, GoHighLevel โ Databases: PostgreSQL, MongoDB, Supabase โ Cloud: AWS, Vercel, Railway โ Integrations: Stripe, Gmail API, Google Calendar, Twilio ๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐ โ Built a SaaS chatbot platform with AI training, live chat, Stripe subscriptions, and Google Calendar bookings โ Architected a Gmail OAuth 2.0 multi-account integration for a mass email automation platform โ Designed an autonomous AI assistant (LLM + WhatsApp + Calendar + CRM) for CEO-level task automation โ Delivered AI receptionist and lead generation systems using Retell AI, n8n, and GoHighLevel ๐๐ก๐ ๐๐จ๐ฌ๐ญ ๐จ๐ ๐ญ๐ก๐ ๐ฐ๐ซ๐จ๐ง๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐ข๐ฌ๐ง'๐ญ ๐ญ๐ก๐ ๐๐ฎ๐๐ ๐๐ญ, ๐ข๐ญ'๐ฌ ๐ญ๐ก๐ ๐ฆ๐จ๐ง๐ญ๐ก๐ฌ ๐ฒ๐จ๐ฎ ๐ฅ๐จ๐ฌ๐. ๐๐ ๐ฒ๐จ๐ฎ'๐ซ๐ ๐๐ฎ๐ข๐ฅ๐๐ข๐ง๐ ๐ฌ๐จ๐ฆ๐๐ญ๐ก๐ข๐ง๐ ๐๐-๐ฉ๐จ๐ฐ๐๐ซ๐๐ ๐จ๐ซ ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐ข๐จ๐ง-๐ก๐๐๐ฏ๐ฒ, ๐ฌ๐๐ง๐ ๐ฆ๐ ๐ ๐ฆ๐๐ฌ๐ฌ๐๐ ๐. ๐ ๐ซ๐๐ฌ๐ฉ๐จ๐ง๐ ๐ฐ๐ข๐ญ๐ก๐ข๐ง ๐ก๐จ๐ฎ๐ซ๐ฌ ๐๐ง๐ ๐๐ฅ๐ฐ๐๐ฒ๐ฌ ๐ฌ๐ญ๐๐ซ๐ญ ๐ฐ๐ข๐ญ๐ก ๐ ๐๐ข๐ฌ๐๐จ๐ฏ๐๐ซ๐ฒ ๐๐๐ฅ๐ฅ, ๐ฌ๐จ ๐ฒ๐จ๐ฎ ๐ค๐ง๐จ๐ฐ ๐๐ฑ๐๐๐ญ๐ฅ๐ฒ ๐ฐ๐ก๐๐ญ ๐ฒ๐จ๐ฎ'๐ซ๐ ๐ ๐๐ญ๐ญ๐ข๐ง๐ ๐๐๐๐จ๐ซ๐ ๐๐ง๐ฒ ๐๐จ๐ฆ๐ฆ๐ข๐ญ๐ฆ๐๐ง๐ญ. Let's build something that works. - Dishant_Senior Full-Stack Ai Developer Keywords : Full Stack Developer, MERN Stack, React Native Developer, React.js, Node.js, Next.js, Vue.js, Laravel, AI Solutions, Bubble, Mobile App Development, E-commerce Development, SaaS Applications, Web Development, Custom Websites, RESTful API, MongoDB, MySQL, PostgreSQL, Firebase, AWS, Azure, Docker, GraphQL, Redux, TypeScript, Tailwind CSS, Material UI, Bootstrap, Mobile UI/UX, Agile Development, Cloud Deployment, Web App Development, Scalable Solutions, Frontend Development, Backend Development, Redux, Next.js, ExpressJS, Full-Stack Development, React, MERN Stack, Node.js, Laravel, MongoDB, MySQL, RESTful API, React Native | PHP laravel developer | PHP, TypeScript, Web Development, CSS, HTML, JavaScript, HTML5, CSS 3, jQuery, WordPress, Angular, Web Design, Laravel, Vue.js, full stack developer react, node js, front end developer, react developer, react native, react js, next.js, Full-Stack Developer | MERN | React Native| Next.js | Supabase, HTML React Node.js, ExpressJS ,Tailwind CSS, JavaScript, Web Application, Redux, TypeScript, MERN Stack, MongoDB, Stripe, Web Development, API Integration, Python, AI development, AI website, custom website, AI developer, Ai website development, Supabase, Full-Stack Developer | React, Node.js, Laravel, MVP & SaaS Developer | lovable | n8n | replit | Lovable Hashtags: #FullStackDeveloper #MERNStack #ReactNative #ReactJS #NodeJS #NextJS #VueJS #Laravel #AI #Bubble #MobileAppDevelopment #EcommerceDevelopment #SaaS #WebDevelopment #CustomWebsites #APIDevelopment #MongoDB #MySQL #PostgreSQL #Firebase #AWS #Azure #Docker #GraphQL #Redux #TypeScript #UIUXDesign #TailwindCSS #MaterialUI #Bootstrap #CloudDeployment #ScalableSolutions #replit #lovable #python #mobileapp #ai #aiwebsite #aiwebapp #full-stackdeveloper #aimobileapp #mvp#saas
- Full-Stack Development
- React
- Web Development
- Node.js
- AI Development
- AI Chatbot
- Automation
- SaaS
- PostgreSQL
- Python
- Ecommerce Website Development
- Next.js
- AWS Development
- AI Agent Development
- API Integration
- TypeScript
- OpenAI API
- JavaScript
- MERN Stack
- SaaS Development
Mohali, India
Most businesses donโt just need a developer โ they need someone who can understand the product, solve technical challenges efficiently, and build systems that continue to perform as the business grows. Thatโs where I come in- ๐ Top Rated on Upwork โ 100% Job Success Score โญ Consistently Rated 5โ by Clients ๐ค Trusted for Long-Term Projects Iโm Vivek, a senior full-stack developer with 10+ years of experience building web applications, mobile apps, SaaS platforms, eCommerce systems, and custom business solutions for startups, agencies, and enterprise clients. Over the years, Iโve worked on everything from small business platforms to large-scale production systems โ including projects that required fixing unstable codebases, improving performance, scaling infrastructure, and rebuilding critical features from the ground up. I enjoy working on projects where clean architecture, performance, and long-term maintainability truly matter. Technologies & Platforms I Work With CMS & eCommerce: WordPress, Shopify, Magento 1 & 2, Webflow, Wix, Squarespace Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular Backend: Laravel, CodeIgniter, CakePHP, Zend, Node.js, NestJS Mobile Development: Flutter, iOS Database & Cloud: MySQL, MongoDB, AWS, Google Cloud, DigitalOcean What I Can Help You Build โ Custom web applications โ SaaS platforms & dashboards โ High-performance APIs & backend systems โ Mobile & hybrid applications โ eCommerce platforms & CMS solutions โ Scalable cloud-based applications โ Third-party integrations (Stripe, PayPal, CRM, etc.) โ Performance optimization & system improvements โ Legacy system upgrades & bug fixing My Approach to Development I focus heavily on writing code that is: Clean and maintainable Secure and scalable Easy to extend in the future Built around real business requirements Clients often work with me because they want someone who can think beyond assigned tasks, communicate proactively, and take ownership of the technical side of the project without constant supervision. I value transparency, reliability, and long-term collaboration. Whether you need a developer to build a product from scratch or improve an existing platform, I aim to make the process smooth, efficient, and results-driven. If youโre looking for a dependable technical partner who can contribute both strategically and technically, feel free to reach out. Iโd be happy to learn more about your project and see how I can help.
- WordPress Development
- WordPress Bug Fix
- WordPress Plugin
- Shopify Development
- Shopify Website Design
- PHP
- Laravel
- Webflow
- Squarespace
- Wix
- UI/UX Prototyping
- React
- Angular
- Flutter
- Node.js
- Vue.js
- JavaScript
- CodeIgniter
- API Development
- Next.js
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How do I hire a Open Source Developer in India on Upwork?
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Why hire a Open Source Developer in India on Upwork?
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Can I hire a Open Source 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 Open Source Developer proposals within 24 hours of posting a job description.
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Top cities for Open Source Developers in India
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