Hire the Best Open Source Developers
in India

✮ 18+ years in IT. ✮ Worked with several Fortune 500 Companies ✮ Experienced Full Stack Developer ✮ Worked with British Telecom, AT&T, Google, IBM, etc. ✮ 100% refund policy. ✮ Available 18 hours a day. Prior to this I have worked with several fortunes 500 companies which include British Telecom, AT&T, Google, IBM before start my own freelancing work. Having more than 18+ years rich knowledge in IT and handled more than 3000+ live projects I can guarantee that I will add value to your projects. If I can’t deliver anything I won’t charge for my time, and in this world nobody wants to work for free. [ What I can provide ] ✮ Angular JS 6 Development ✮ Node JS Development ✮ Python Development ✮ React JS ✮ Meteor JS ✮ Express JS / Sails JS ✮ Vue JS ✮ TypeScript ✮ AngularDart ✮ Dart ✮ Mobile App ✮ IOS Development ✮ Android Development ✮ Swift 4 ✮ Java 8 ✮ Objective C ✮ Google Kotlin ✮ React Native ✮ Google Flutter ✮ E-commerce Development ✮ Magento Development ✮ Website development ✮ Mobile Back end development ✮ Graphic design + UI & UX implementation ✮ Consulting in mobile app development ✮ Startup Development I am having strong expertise in database, here is few in the list, ✮ MS SQL ✮ Mongo DB ✮ My SQL ✮ Maria DB ✮ SQL Lite ✮ Amazon Dynamo DB ✮ Amazon Aurora Expertise in Blockchain: ✮ Smart Contracts development using Solidity ✮ Subgraph indexing using the graph ✮ Tokenomics ✮ Vesting ✮ Web3 integration ✮ In-depth knowledge of ERC20 & ERC721 Smart Contracts ✮ NFT contract ✮ Token/ coin Contract ✮ Defi EXchange ✮ BEP1155 ✮ Hardhat ✮ NFT minting Also I am comfortable with Cloud Computing using Amazon AWS, GCloud, MS Azure. Here is my system programming exprience, ✮ Docker ✮ Kubernetes ✮ Jenkins ✮ Google App Engine ✮ Micro Services ✮ Amazon Elastic Container Services ✮ Amazon Elastic Beanstalk ✮ Amazon EBS ✮ Amazon AWS CLI ✮ Elastic Cache ✮ Mem Cache ✮ Redis Cache Also I am comfortable with Analytical information or Search engine development. Here is my informations below, ✮ Apache Solr Search ✮ Amazon Elastic Search ✮ Amazon Red Shift ✮ Kibana ✮ Lucene ✮ Sphinx ✮ Xapian [ My Domain Experience ] ✮ On-Demand Service app ✮ SAAS ✮ Uber-like app ✮ Food delivery website and app ✮ Restaurant website and app ✮ Travel website and app ✮ Social network website and app ✮ Upwork like service marketplace website and app. ✮ Crowdfunding website and app ✮ Service provider finder app ✮ GPS apps ✮ Product selling website and app ✮ Event ticket-selling website ✮ Daily Deal website and app ✮ E-commerce website and app ✮ Dating website and apps ✮ Rideshare apps Also I am comfortable with several open source system, like follows, ✮ Magento ✮ WordPress ✮ Drupal I love my job as working with different clients has given me the opportunity of being a part of so many wonderful ideas and journeys. My approach to work is to go beyond the job description and focus on building a long lasting relationship with all clients.

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 8+ 𝗬𝗲𝗮𝗿𝘀 | 𝟭% 𝗼𝗳 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀. ✅$500K+ Total earnings ✅ 10+ Years experience as Fullstack Developer ✅ 160+ Projects Completed. ✅ Top Rated Plus. ✅ 100% Job Success Rate. ✅ AWS certified ✅ Python certified ✅ 50hrs/week available ✅ 30+ AI/ML Integrations 🔴 I am in the 𝗧𝗼𝗽 𝟭% overall on Upwork. 🔴 I am in the 𝗧𝗼𝗽 𝟰% overall on Stack Overflow. 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭 / 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬: 𝐂𝐫𝐞𝐰𝐀𝐈 / 𝐀𝐮𝐭𝐨𝐆𝐞𝐧 / 𝐀𝐦𝐚𝐳𝐨𝐧 𝐏𝐨𝐥𝐥𝐲 / 𝐃𝐞𝐞𝐩𝐠𝐫𝐚𝐦 / 𝐑𝐚𝐬𝐚 𝐀𝐈 / 𝐑𝐢𝐯𝐞𝐫𝐬𝐢𝐝𝐞 𝐒𝐃𝐊 / 𝐀𝐳𝐮𝐫𝐞 𝐀𝐈 𝐒𝐩𝐞𝐞𝐜𝐡/𝐋𝐋𝐌 𝐅𝐢𝐧𝐞𝐭𝐮𝐧𝐢𝐧𝐠: 𝐔𝐬𝐢𝐧𝐠 𝐏𝐄𝐅𝐓 / 𝐋𝐨𝐑𝐀 / 𝐐𝐋𝐨𝐑𝐀 / 𝐑𝐋𝐇𝐅 / 𝐃𝐏𝐎 / 𝐒𝐅𝐓 𝐰𝐢𝐭𝐡 𝐔𝐧𝐬𝐥𝐨𝐭𝐡 / 𝐀𝐱𝐨𝐥𝐨𝐭𝐥 / 𝐇𝐮𝐠𝐠𝐢𝐧𝐠𝐅𝐚𝐜𝐞 𝐀𝐮𝐭𝐨𝐓𝐫𝐚𝐢𝐧 / 𝐒𝐚𝐠𝐞𝐌𝐚𝐤𝐞𝐫 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠/𝐎𝐩𝐞𝐧-𝐒𝐨𝐮𝐫𝐜𝐞 𝐈 𝐛𝐮𝐢𝐥𝐝 𝐀𝐈 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐭𝐡𝐚𝐭 𝐰𝐨𝐫𝐤 𝐢𝐧 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐧𝐨𝐭 𝐩𝐫𝐨𝐭𝐨𝐭𝐲𝐩𝐞𝐬 𝐭𝐡𝐚𝐭 𝐨𝐧𝐥𝐲 𝐥𝐨𝐨𝐤 𝐠𝐨𝐨𝐝 𝐢𝐧 𝐚 𝐩𝐢𝐭𝐜𝐡 𝐝𝐞𝐜𝐤. Over the past 10+ years and 𝟐𝟎,𝟎𝟎𝟎+ 𝐔𝐩𝐰𝐨𝐫𝐤 𝐡𝐨𝐮𝐫𝐬, I have delivered 𝟏𝟔𝟎+ AI and machine learning projects for startups, SaaS companies, healthcare organizations, logistics businesses, and enterprises. My focus is simple build AI solutions that create measurable business value. I specialize in LLM engineering, AI agents, RAG systems, intelligent automation, and end-to-end AI product development. Whether you need an AI-powered SaaS platform, workflow automation, a knowledge retrieval system, or a custom AI application, I can take it from architecture to production deployment. 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ➤ Retrieval-Augmented Generation (RAG) Enterprise knowledge systems Semantic and hybrid search Document ingestion pipelines Vector databases: Pinecone, Weaviate, Qdrant, ChromaDB, FAISS, pgvector Production-ready AI search and knowledge retrieval ➤𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 & 𝐌𝐮𝐥𝐭𝐢-𝐀𝐠𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ✅ CrewAI ✅ LangGraph ✅ AutoGen ✅ Autonomous workflows ✅ Task delegation and orchestration ✅ Agent-based business automation ➤ Generative AI & LLM Development ✅ OpenAI GPT-4o ✅ Anthropic Claude ✅ Google Gemini ✅ Meta Llama ✅ Mistral ✅ DeepSeek ➤ 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐢𝐧𝐜𝐥𝐮𝐝 ✅ Prompt engineering ✅ Function calling ✅ Structured outp uts ✅ Fine-tuning ✅ API integrations ✅ Custom AI applications ➤ 𝐀𝐈 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 ✅ n8n ✅Make .com ✅Zapier I build AI-powered workflows that automate sales, operations, customer support, data processing, and internal business processes. ➤ 𝐕𝐨𝐢𝐜𝐞 𝐀𝐈 & 𝐂𝐨𝐧𝐯𝐞𝐫𝐬𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐀𝐈 ✅ AI receptionists ✅ AI calling systems ✅ Voice assistants ✅ Customer support automation ➤ 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: ✔️ ElevenLabs ✔️ Deepgram ✔️ OpenAI Whisper ✔️ VAPI ✔️ Retell AI ✔️Twilio ➤ 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 ✔️ Predictive analytics ✔️ Forecasting ✔️ NLP pipelines ✔️ Entity extraction ✔️ Sentiment analysis ✔️ Recommendation systems ✔️ Computer vision ✔️ PyTorch ✔️ TensorFlow ➤ 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐀𝐈 𝐃𝐞 ✔️ FastAPI ✔️ Flask ✔️ Python ✔️ Node.js ✔️ React ✔️ Next.js ✔️ PostgreSQL ✔️ Supabase ✔️ MongoDB ✔️ Redis ✔️ REST APIs ✔️ Docker ✔️ GitHub Actions ✔️ AWS ✔️ GCP ✔️ Azure 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐒𝐞𝐫𝐯𝐞𝐝: 🏥 Healthcare HIPAA-aware AI solutions, clinical NLP, medical document analysis, healthcare analytics, and patient data workflows. 🏢 Real Estate AI-powered CRMs, lead qualification, property search, recommendation systems, and document extraction. 🚛 Logistics & Supply Chain Route optimization, demand forecasting, anomaly detection, and operational intelligence systems. 🛒 Ecommerce Recommendation engines, semantic product search, dynamic pricing, and AI customer support. 🏦 SaaS AI feature development, LLM integrations, AI-native products, and platform modernization. 🏦 FinTech Fraud detection, financial document processing, compliance workflows, and risk analytics. 🏫 Education & Manufacturing AI tutoring systems, content generation, predictive maintenance, quality assurance, and computer vision solutions. 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤 I focus on building solutions that solve business problems, not just technically impressive demos. Clients value: ✅ Clear communication ✅ Reliable delivery ✅ Honest timelines ✅ Production-ready architecture ✅ Well-documented systems ✅ Long-term maintainability If a simpler solution will deliver better results, I will recommend it. 𝐓𝐲𝐩𝐢𝐜𝐚𝐥 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 ✅ AI SaaS products from idea to launch ✅ RAG systems built on proprietary company data ✅ AI agents and workflow automation ✅ Voice AI and conversational AI products ✅ LLM integration into existing platforms If you are looking for an AI engineer who can design, build, and deploy production-grade AI systems, I had be happy to review your project and provide an honest assessment within 24 hours. 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬 𝐕𝐨𝐢𝐜𝐞 𝐀𝐠𝐞𝐧𝐭𝐬

Top Rated AI Engineer and Full-Stack Developer | 8+ Years Experience | 100% Job Success Rate → Top 1% Freelancer on Upwork with $40K+ in total earnings → 100% Job Success Rate verified across 80+ successfully completed projects → Top 4% overall contributor on Stack Overflow → AWS and Python Certified | Enterprise Architect | Available 50+ hours per week Greetings! I am Mahima Khera, a seasoned AI Developer, systems architect, and Full-Stack Engineer with over 8+ years of professional development experience building end-to-end solutions. I specialize in bridging the gap between advanced Gen AI research and production-grade software. I handle the entire development lifecycle from orchestrating autonomous AI Agent systems and fine-tuning local LLM pipelines to building highly robust Python backends, custom vector databases, and responsive Next.js user interfaces on secure AWS cloud infrastructure. Core Services I Offer → Autonomous AI Agent Development: Building stateful, deterministic multi-agent orchestration workflows using LangGraph, CrewAI, and AutoGen to automate complex enterprise logic and operations flawlessly. → Advanced RAG and GraphRAG Systems: Engineering multi-angle corporate knowledge graphs, Model Context Protocol (MCP) integrations, and multi-stage semantic reranking pipelines (LlamaIndex and LangChain) to eliminate model hallucinations entirely. → Production Voice AI Agents: Architecting ultra-low latency, real-time conversational streaming applications utilizing LiveKit, Vapi, and Deepgram APIs for natural, voice-driven interaction. → Full-Stack Gen AI Applications: Developing premium Next.js and React frontends backed by highly scalable, asynchronous Python (FastAPI, Django) and Node.js microservices. → LLM Fine-Tuning and Optimization: Fine-tuning models like DeepSeek-R1, Llama 3.x/4, and Mistral using Unsloth, Axolotl, and PEFT/LoRA to slash external API costs by up to 70% while improving local inference speed. Deep Technical Expertise → Gen AI and Orchestration: LangGraph | LangChain | CrewAI | LlamaIndex | Model Context Protocol (MCP) | Advanced Prompt Engineering → Cloud AI and Foundation Models: AWS Bedrock | AWS SageMaker | OpenAI API | Anthropic Claude | HuggingFace Pipelines | OpenClaw Setup → LLM Architecture and Fast Inference: DeepSeek-R1 | Llama 3.x/4 | Mistral | vLLM | TensorRT-LLM | Quantization (GGUF, AWQ, GPTQ) → Vector Stores and Databases: PostgreSQL (pgvector) | Qdrant | Pinecone | Weaviate | Milvus | SQLite | Redis Caching → Backend and Data Processing: Python (FastAPI, Django, Flask) | Node.js (Nest.js, Express) | Celery Task Queues | Advanced Web Scraping (Playwright, Selenium) → Frontend and Cloud Infrastructure: Next.js | React.js | TypeScript | Tailwind CSS | AWS (EC2, S3, Lambda, CloudWatch) | Docker | GitLab CI/CD With an 8-year track record of engineering highly technical architectures, I excel at turning complex AI models and agent behaviors into maintainable, scalable, commercial-grade software that solves actual business bottlenecks. Let’s build something incredible. Introduce your project or invite me to apply! Warm regards, Mahima Khera

Rated as one of the top freelancers for Odoo (OpenERP) jobs in Upwork with successfully completed more than 140+ projects completed only on Upwork and overall 100% Job Success Ratio. I take pride in delivering rapid, customized open source ERP service using Odoo, Mobile App, SEO & Website Development. Whether you are developing an application from scratch, working on an existing application or porting your application to a new platform or framework, or looking to promote or rank your website on top of search engine results I can meet your business needs. ODOO EXPERIENCE 1) Odoo Customization & Development 2) Odoo Installation & Training 3) Odoo Mobile Framework Integration 4) Odoo Maintenance & Support 5) Odoo Database Migration 6) Odoo Consulting TECHNOLOGY EXPERIENCE -> ERP Technologies: Odoo, OpenERP, Flectra, ERP Next, Salesforce -> Technologies: PHP, Python -> Database: PostgreSQL, MySQL, MS SQL, MongoDB, Firebird SQL -> Mobile Apps: Android, iOS, React Native, Kotlin, Swift -> Web Development: Wordpress, Node.js, Angular.js, Full Stack Development -> SEO: On-Page SEO, Off-Page SEO, Technical SEO, Local SEO Services in Mobile Apps domain: - iOS & Android Apps Development - Universal Apps Development - UI/UX Design & Development - Mobile Apps Wireframing - API Development & Integration SEO Services we provide: - Resolving technical issues related to website - Optimizing On-page SEO factors - Link building - Keyword Research - Content Marketing - Local Search Optimization - Google My Business Page Optimization DOMAIN EXPERIENCE 1) CRM 2) SALE 3) PURCHASE 4) INVENTORY (STOCK MANAGEMENT) 5) FINANCIAL ACCOUNTING 6) MANUFACTURING 7) PROJECT MANAGEMENT 8) POINT OF SALE 9) HUMAN RESOURCE 10) MARKETING 11) HEALTH CARE

I am the agency owner of Nyusoft Solutions. I am handling Project Management, Project scope, Guiding team, How to follow Agile methodology and features requested by client in project scope. 🥇🥇🥇 TOP-RATED PLUS FREELANCER 🥇🥇🥇 🥇🥇🥇 100% Client Satisfaction🥇🥇🥇 🥇🥇🥇 AI Agent and Automation Expert🥇🥇🥇 🥇🥇🥇 Industry Expertise🥇🥇🥇 🥇🥇🥇 Top 1% Talent on Upwork🥇🥇🥇 "5🌟Ratings on Clutch" A Proud Member of: ✅ BNI ✅ JITO 🤝 You can rely on me for: - Mobile App Development with Web Admin Panel - API Development & Third-Party Integrations - MVP Development & SaaS Application Development - Laravel / PHP Backend Development - Node.js / NestJS Backend for Mobile & Web Apps - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Firebase Integration (Auth, Firestore, Cloud Functions) - Real-Time Chat, Notifications & WebSocket Integration Industries We Serve —----------------------------- ✔ EdTech ✔ FinTech ✔ Real Estate & PropTech ✔ Healthcare ✔ Fitness & Wellness ✔ Sports & Fan Engagement Platforms ✔ Travel & Hospitality ✔ Entertainment ✔ Furniture & Manufacturing ✔ Recruitment & Staffing ✔ E-Commerce & Marketplaces 🎯 Areas of Expertise o Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack o Cross-Platform App Development: React Native, Flutter (Dart) o Backend Development: Node JS, Laravel, Nest JS, PHP, Express o Frontend Development: React JS, Next JS, Angular, CSS3, HTML5 o Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB o AI/ML/ChatGPT integration with platforms(Web and mobile applications) o Real-Time App Features: Socket IO, Twilio, Firebase Real Time Database o API Development & Integrations: REST APIs, AWS Lambda, API Gateway o Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree o Version Control & Collaboration: GitHub, Bitbucket, GitLab o Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking Solutions We Provide —----------------------------- o Agent AI Services (Claude, OpenClaw etc.) o AI-Powered Automation o Machine Learning Solutions (ML) o AI Development Services o NLP Development o LLM Integrations o Deep Learning Solutions o AI Chatbots & Virtual Assistants o Image, Video & OCR Solutions o SaaS Product Development o Mobile Apps Development o Ui/UX Implementation o AWS DevOps Development o E-Learning & EdTech Applications o Chat & Social Networking Apps o E-Commerce & Marketplace Apps o On-Demand Service Apps (Taxi, Food Delivery, Booking) o Gamified Mobile Applications o SaaS & Subscription-Based Platforms o IoT & BLE-Based Mobile Applications Why you should choose me: —----------------------------- 🌟 Agile Approach 🌟 Daily / Weekly Call for project status 🌟 100% transparency, no unrealistic commitment. 🌟 No Advance Payment 🌟 UNLIMITED DESIGN REVISION for your utmost satisfaction 🌟 6 months of FREE Support. "We create things that make a difference, not just to get a job done." I appreciate that you have taken a step to review my profile. Regards, Dhaval Shah ( Founder & CEO) Nyusoft Solutions LLP

Are you looking to implement or optimize ERPNext for your business operations—especially Accounting, CRM, and real-time reporting? I’m an ERPNext / Frappe / Python Consultant with 15+ years of experience, having successfully delivered 300+ projects across industries including Retail, Manufacturing, Healthcare, Education, and Trading. I don’t just “implement ERP”—I help businesses streamline processes, improve visibility, and make better decisions using ERPNext. What I can help you with: ✔ Accounting & Finance Setup Chart of Accounts, GST/VAT compliance AR/AP, invoicing, taxation, multi-company setup Financial reports (P&L, Balance Sheet, Cash Flow) ✔ CRM & Sales Automation Lead to Opportunity to Sales pipeline Workflow automation & follow-ups Customer lifecycle tracking ✔ Dashboards & Reports (Your Key Advantage) Custom dashboards for management insights KPI tracking (sales, collections, inventory) Advanced custom reports using Script Reports & Query Reports Data visualization for decision-making ✔ ERPNext Customization & Development Custom apps on Frappe Framework Modify standard features as per your business needs Role-based workflows and automation ✔ Integrations Payment gateways, eCommerce, mobile apps APIs, third-party system integrations Data migration from legacy systems