✅ 6+ Years of Backend Development Experience ✅ 20+ Projects Delivered Successfully with $40,000+ Earned on Upwork ✅ Specialized in OpenAI GPT, LLM Apps, RAG & Agentic AI and AI SaaS, Automation & Enterprise-Grade Backend ✅ Production-Ready Python, Django, FastAPI & API Architecture I build AI-powered applications, LLM apps, AI agents, and scalable backend systems using OpenAI GPT, Python, Django, FastAPI, RAG pipelines, vector databases, and secure cloud-ready architecture. I specialize in AI automation, OpenAI API integration, agentic AI systems, RAG systems, LLM architecture, and developing production-ready AI SaaS backends. Here’s what I deliver: ✔️ AI Applications & LLM Apps (OpenAI GPT, Claude, Gemini) – scalable AI-powered applications, custom GPT chatbots, LLM applications, conversational AI systems, knowledge assistants, AI SaaS products, AI product development, internal AI tools, and business automation platforms built with real production architecture. ✔️ OpenAI GPT & API Integration – OpenAI API integration, Azure OpenAI, GPT-powered workflows, Responses API, Agents SDK, function calling, tool calling, structured outputs, prompt engineering, AI response optimization, API integration, and custom AI features for SaaS platforms, dashboards, CRMs, and business systems. ✔️ RAG Systems & Vector Search – Retrieval-Augmented Generation pipelines, vector databases, embeddings, semantic search, vector search, document AI, PDF/document processing, knowledge base chatbots, Pinecone, Weaviate, Qdrant, FAISS, PostgreSQL vector search, LangChain, LlamaIndex, and custom knowledge retrieval systems. ✔️ Agentic AI & Multi-Agent Workflows – agentic AI systems, AI agents, multi-agent workflows, tool-using agents, autonomous task execution, AI workflow orchestration, decision-making agents, human-in-the-loop review, and intelligent AI systems connected with APIs, databases, dashboards, and external business tools. ✔️ Python, Django & Backend Development – scalable backend development using Python, Django, Django REST Framework, FastAPI, PostgreSQL, MySQL, Redis, Celery, REST APIs, WebSockets, background jobs, secure database architecture, Docker, AWS, Azure, Supabase, and cloud deployment. ✔️ AI Automation & Business Workflows – AI workflow automation for customer support automation, lead qualification, document processing, data extraction, reporting, analytics, internal productivity, CRM workflows, email automation, support deflection, operational efficiency, KPI tracking, and repetitive business processes. ✔️ AI SaaS & MVP Development – AI SaaS backend development, SaaS MVPs, admin dashboards, customer portals, analytics dashboards, subscription systems, Stripe integrations, multi-tenant SaaS architecture, role-based access control, user management, MVP launch, SaaS scalability, and product-market fit focused development. ✔️ Secure & Enterprise-Grade AI Architecture – secure API design, authentication, authorization, role-based access control, tenant isolation, audit logs, rate limiting, encryption, data privacy, GDPR-conscious development, HIPAA-aware architecture, SOC 2-ready architecture, compliance-aware backend, error handling, production monitoring, and maintainable code. ✔️ Machine Learning & NLP Integrations – generative AI features, natural language processing, text classification, summarization, chatbot intelligence, AI analytics, data-driven insights, machine learning API integrations, intelligent search, and AI-powered decision support systems. ⭐ Recent Client Feedback: “Hardik was very professional and diligent. He successfully accomplished every task he was assigned.” “Hardik completed his work relatively quickly and in accordance with what was requested.” Let’s have a 𝑭𝑹𝑬𝑬 consultation call to discuss your requirements, and you will get a complete AI application, LLM app, agentic AI, RAG system, automation platform, or Python/Django backend development plan from me.

𝐒𝐞𝐧𝐢𝐨𝐫 𝐀𝐈 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟓 🌟 𝐬𝐭𝐚𝐫 𝐭𝐫𝐚𝐜𝐤 𝐫𝐞𝐜𝐨𝐫𝐝 ✅ $𝟖𝐤+ 𝐄𝐚𝐫𝐧𝐢𝐧𝐠 ✅ 𝐁𝐚𝐜𝐡𝐞𝐥𝐨𝐫'𝐬 𝐃𝐞𝐠𝐫𝐞𝐞 𝐢𝐧 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 ✅ 𝟏𝟎+ 𝐒𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 I specialize in delivering cutting-edge software solutions focused on Artificial Intelligence, AI Development, and robust Mobile App Development. Whether it’s Flutter, native iOS Development, or Android App Development, I transform innovative ideas into powerful, scalable digital products. Let's collaborate and create extraordinary solutions together. 🔑 My Core Expertise Includes: ✅ AI Development & Artificial Intelligence Integration: Chatbot Prompt Engineering, custom AI Agent Development Advanced LLM integrations (LLMs, RAG, Llama Index, Langchain, Crew AI) Intelligent agentic systems, cognitive computing, real-time predictive analytics ✅ Mobile App Development (Flutter, iOS, Android): Cross-platform apps with Flutter, FlutterFlow, and Hybrid App Development Native Android App Development (Java, Kotlin) Native iOS App Development (Swift), deploying apps to Google Play and Apple Store ✅ Full-Stack Web Development (Python, MERN, Django, Flask): Robust web applications with Python frameworks (Django, Flask, FastAPI) MERN stack (MongoDB, Express.js, React, Node.js), Next.js, Angular, JavaScript ✅ UI/UX Design: User-centered design, interactive mockups, intuitive wireframes (Figma, Sketch) ✅ Cloud Computing & Deployment: AWS (EC2, Lambda, S3, DynamoDB, ECS, Fargate, Cognito, CloudWatch, IAM, AWS Bedrock Agents) Google Cloud Platform (GCP), Vertex AI, Cloud Functions, BigQuery 🌟 Why Clients Choose Me: ✔️ Expertise & Innovation: Staying ahead with cutting-edge tech in AI, ML, and mobile app domains. ✔️ Results-Driven: Committed to quality deliverables that align with your business objectives. ✔️ Clear Communication: Collaborative, responsive, and transparent workflow. ✔️ Client Success Oriented: Tailored, custom solutions prioritizing your unique needs. ✔️ Timely Project Delivery: Dedicated to meeting deadlines consistently. 🏅 Key SEO & Tech Keywords: AI Agent Development | AI Development | Chatbot Prompt | Artificial Intelligence | Python | Flutter | iOS Development | Android App Development | Mobile App Development | Hybrid App Development | Native App Development | Flutter Stack | FlutterFlow | Prompt Engineering Let's bring your innovative ideas to life—Contact me today!

I help companies to unlock the potential of Artificial Intelligence to automate main processes, speed up decision-making, and convert data into smart and revenue-generating systems. My specialization is on providing scalable, secure and reliable production ready AI systems. ✅ Fundamental Generative AI Knowledge. My areas of expertise include the engineering of full-stack AI, with a business-driven critical focus: ➤ 𝐀𝐈 𝗔𝗴𝗲𝗻𝘁 & 𝗖𝗵𝗮𝘁𝗯𝗼𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 | Build and implement Multi-Agent System, LLM, and conversational chatbots that automate customer service, project management, and data processing, which are powered by powerful frameworks such as LangChain, AutoGen, and LangGraph along with use of Django and Python ➤ 𝗟𝗮𝗿𝗴𝗲 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲 𝗠𝗼𝗱𝗲𝗹𝘀 & 𝗖𝘂𝘀𝘁𝗼𝗺 𝗔𝗜 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 | Optimize, broaden and deploy sophisticated LLMs using LangChain and LangGraph that address business-focused needs to provide intelligent insights, natural language understanding (NLU), and high-context thought to address enterprise solutions. ➤ 𝗥𝗲𝘁𝗿𝗶𝗲𝘃𝗮𝗹-𝗔𝘂𝗴𝗺𝗲𝗻𝘁𝗲𝗱 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻 (𝗥𝗔𝗚) 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 | Embed live data lookups and Vector Databases (Pinecone/Weaviate) in LLM pipelines, so that your AI applications are always current, factual and based on your own proprietary knowledge base. ➢ 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝑳𝒂𝒏𝒈𝒖𝒂𝒈𝒆𝒔 & 𝑭𝒓𝒂𝒎𝒆𝒘𝒐𝒓𝒌𝒔: Python, FastAPI, Django, React, Next.js, Flask. 𝑨𝑰 𝑻𝒐𝒐𝒍𝒔 & 𝑭𝒓𝒂𝒎𝒆𝒘𝒐𝒓𝒌𝒔: GPT-4, OpenAI API, Crew AI, LangChain, LlamaIndex, Hugging face, AutoGen, LangGraph, Pinecone, Weaviate. 𝑨𝑰 & 𝑴𝑳 𝑪𝒂𝒑𝒂𝒃𝒊𝒍𝒊𝒕𝒊𝒆𝒔: Large Language Models (LLM), Automation, LangChain, LLM Fine-Tuning, Prompt Engineering, Multi-Agent Systems, Natural Language Processing (NLP), AI Chatbots, Machine Learning Pipelines, Retrieval-Augmented Generation RAG, Generative AI. 𝑨𝒖𝒕𝒐𝒎𝒂𝒕𝒊𝒐𝒏 & 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝗻: AI Automation, API Integration, Retrieval-Augmented Generation (RAG) Systems, Vector Databases, API Integrations, Workflow Automation, Docker/ Kubernetes, AWS, GCP. 𝑪𝒐𝒓𝒆 𝑺𝒑𝒆𝒄𝒊𝒂𝒍𝒕𝒊𝒆𝒔: AI Agents/Chatbots/Automations, LangChain, LangGraph, Automation, API Integration, Python, Django, Generative AI, building AI models, AI-powered apps, AI-powered Integrations, AI tests, Cloud orchestration. 💻 Full-Stack & Deployment Architecture ➤ 𝗘𝗻𝗱-𝘁𝗼-𝗘𝗻𝗱 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 | Offer production-ready and robust AI applications in Python (FastAPI/Django), React/Next.js, and uninterrupted API surfaces, provided in a Docker/Kubernetes container, and Cloud orchestration on either AWS, Azure, or GCP. ➤ 𝗦𝘆𝘀𝘁𝗲𝗺 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 | Strengthen your processes with automation, API Integration connecting dissimilar systems, automating routine processes, and deploying scalable and AI-informed decision-making in your operations. ➢ 𝗥𝗲𝗮𝘀𝗼𝗻𝘀 𝘄𝗵𝘆 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝗣𝗿𝗲𝗳𝗲𝗿 𝘁𝗼 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲: 𝑺𝒕𝒓𝒂𝒕𝒆𝒈𝒊𝒄 𝑨𝒍𝒊𝒈𝒏𝒎𝒆𝒏𝒕: I create intelligent ecosystems that are directly aligned with the real business Return on Investment. 𝑷𝒓𝒐𝒂𝒄𝒕𝒊𝒗𝒆 𝑺𝒌𝒊𝒍𝒍𝒔: Proactively implement the new developments of LLMs, AI Evals, RAG and AI agent architectures. 𝑺𝒄𝒂𝒍𝒂𝒃𝒍𝒆, 𝑺𝒆𝒄𝒖𝒓𝒆 𝑺𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔: Every system is designed to be dependable, ensure security of their proprietary information, and contain high-capacity enterprise workload. Feel free to contact and make your AI vision a secure and high throughput reality. Drop a message to start the conversation!

Full stack developer building React, Next.js, Node, and Python apps for startups. I help founders ship SaaS products, AI tools, and chatbots that actually work in production. With 10+ years of full stack experience, I blend frontend precision (React, Next.js, TypeScript) with backend intelligence (Python, Node.js, FastAPI, Django, Supabase, OpenAI APIs) to deliver powerful web apps, SaaS platforms, and AI solutions. I've worked on everything from AI driven analytics platforms and LLM powered chatbots to B2B SaaS dashboards and full stack MVPs. You get code that's clean, tested, and deployed. Not just working, but built to scale. Core Expertise ▸ Frontend: React, Next.js, TypeScript, Tailwind, JavaScript ▸ Backend: Python, Node.js, FastAPI, Django, Express ▸ Databases: Supabase, PostgreSQL, MongoDB ▸ AI and LLM: OpenAI, ChatGPT, LangChain, RAG, Vector Databases (Pinecone) ▸ Cloud and DevOps: AWS, Docker, Vercel ▸ Integrations: REST APIs, Stripe, Webhooks, Automation What I Build ▸ Full stack web apps with React, Next.js, Node, Python, FastAPI, and Django ▸ AI features and chatbots using OpenAI, ChatGPT, LangChain, RAG, and Pinecone ▸ SaaS MVPs in 4 to 8 weeks with Next.js, FastAPI, Supabase, and Stripe ▸ REST APIs, integrations, and database design with PostgreSQL and MongoDB Why Founders Work With Me ▸ End to end ownership from scoping to deployment ▸ Clean, maintainable code your future team can actually grow with ▸ 10+ years of full stack experience across SaaS, AI, and B2B platforms Send a message with what you're building and a rough budget. I'll reply within a few hours.

📢 Available for new projects 📢 I'm a Senior Java Developer with more than 10 years of commercial experience building stable, scalable, and secure backend systems. I specialize in Spring Boot microservices and cloud-native architecture — and I've shipped production systems in Fintech, EdTech, Healthcare, Retail, Hospitality, etc. My core strength is backend architecture: clean APIs, event-driven systems, and services that scale. I also work across the full stack development when needed — React on the frontend, Node.js for integrations, and AWS for deployment and infrastructure. What I bring to your project: - Production-grade Spring Boot microservices and REST APIs - Cloud infrastructure on AWS with Docker and CI/CD pipelines - Full-stack capability: Java backend + React frontend - Relational and NoSQL databases: PostgreSQL, MySQL, MongoDB - Clean, maintainable code with TDD and Agile workflows I've worked on SaaS platforms, enterprise systems, and MVPs — from initial architecture through to deployment. Go-To Stack: Java (Spring Boot, Spring Cloud, Hibernate) · React · Node.js · AWS · Docker · PostgreSQL · MongoDB · Jenkins · GitFlow Ready to start - just drop me a message and we will start working!

AI Agent Developer specializing in LangChain, LangGraph, RAG systems, and n8n/Make automation. I've shipped 80+ production AI systems for startups and enterprises across the US, Europe, and Middle East. Most AI projects fail not because the model is wrong, but because the architecture doesn't hold up in production. I build AI agents and LLM applications that actually work at scale from multi-agent orchestration with CrewAI and AutoGen to RAG pipelines using LlamaIndex, ChromaDB, and Pinecone, to voice agents with Vapi and Twilio. ✦ Services: ✦ AI Agent Systems — LangChain, LangGraph, CrewAI, AutoGen; multi-step reasoning agents, tool-use pipelines, autonomous workflow agents ✦ RAG & Knowledge Systems — LlamaIndex, LangChain, Pinecone, Qdrant, ChromaDB, FAISS; document Q&A, enterprise knowledge bases, semantic search ✦ Voice AI Agents — Vapi, Twilio, Whisper, ElevenLabs; AI phone agents, voice assistants, real-time speech workflows ✦ Workflow Automation — n8n, Make, Zapier; end-to-end business process automation, CRM/ERP integrations ✦ LLM Applications — OpenAI GPT-4o, Claude, Gemini, Llama; custom chatbots, conversational AI, API integrations ✦ Full-Stack AI — FastAPI, Python, Node.js, React; production-grade AI backends and interfaces ✦ Proven results: ✦ Built a LangGraph multi-agent system that automated 90% of a client's content pipeline, saving 40+ hours/week ✦ Deployed a RAG-based enterprise knowledge base (Pinecone + LlamaIndex) reducing support ticket resolution time by 65% ✦ Delivered an n8n + OpenAI workflow automation that replaced 3 manual FTEs for a logistics startup If you're building an AI agent, RAG system, voice AI, or automation workflow, message me with your use case. I'll tell you within 24 hours if and how I can help.

Muhammad Mudasir Hayat Senior Python Developer | Django | FastAPI | AWS | AI Solutions | Full-Stack SaaS Engineer Professional Summary: I help startups and growing businesses build scalable SaaS platforms, AI-powered applications, workflow automation systems, and high-performance APIs using Python, Django, FastAPI, React, and AWS. Over the past 8+ years, I've worked across Healthcare, FinTech, EdTech, CRM, and AI SaaS products, helping teams launch new products, modernize legacy systems, and scale backend infrastructure. Core Competencies: * Python Development * Django & Django REST Framework * FastAPI & Flask * REST API Development * Microservices Architecture * AI & LLM Integrations * SaaS Product Development * Backend System Design * PostgreSQL, MySQL, MongoDB, Redis * AWS Cloud Services * Docker & Kubernetes * CI/CD Pipelines * GitHub Actions * WebSocket Applications * Workflow Automation * Third-Party API Integrations * Performance Optimization * System Scalability * DevOps & Cloud Infrastructure Professional Experience: Senior Python Developer * Designed and developed scalable SaaS platforms using Django, FastAPI, React.js, and Next.js. * Built and maintained high-performance REST APIs and microservices architectures. * Developed AI-powered workflows, automation systems, and LLM-integrated applications. * Modernized legacy applications through code refactoring, API optimization, and architecture improvements. * Implemented cloud-native deployments using AWS, Docker, Kubernetes, and CI/CD pipelines. * Integrated third-party APIs, payment gateways, CRM systems, and automation platforms. * Optimized database performance, query execution, and application scalability. * Delivered end-to-end full-stack solutions for startups and enterprise clients. Technical Skills: Programming Languages: - Python, JavaScript, TypeScript Backend Frameworks: - Django, Django REST Framework, FastAPI, Flask, Aiohttp Frontend Technologies: - React.js, Next.js, Tailwind CSS, HTML5, CSS3 Cloud & DevOps: - AWS, GCP, Docker, Kubernetes, GitHub Actions, CI/CD Pipelines Databases: - PostgreSQL, MySQL, MongoDB, Redis, BigQuery APIs & Architecture: - REST APIs, GraphQL, WebSockets, Microservices, Event-Driven Systems AI & Automation: - OpenAI API, Claude API, LLM Integrations, Workflow Automation, RAG Systems, AI Agents Tools: - Git, GitHub, Postman, Zapier, Docker Compose Selected Projects: - Medflo AI: AI-powered healthcare platform focused on workflow automation, AI integrations, secure healthcare operations, and scalable backend systems. - Duett: Healthcare SaaS platform supporting provider-patient collaboration, secure communications, cloud infrastructure, and API-driven services. - Treko: Workforce management and productivity platform featuring employee tracking, reporting dashboards, analytics, and role-based access control. - Mentors of Colors: Mentorship platform with scheduling, booking management, communication workflows, user dashboards, and scalable backend architecture. Industries: * Healthcare * FinTech * AI & Machine Learning * SaaS * E-commerce * CRM * EdTech * PropTech * Workflow Automation Client Feedback ⭐⭐⭐⭐⭐ “An excellent developer with a deep understanding of both backend and AI-driven solutions. Delivered beyond expectations, with smooth communication and reliable execution.” * Darye Henry, Founder, Reborn Code

If your AI system is slow, expensive to run, or breaks under real load - that's not an AI problem. That's an architecture problem. I'm an AI Developer with 10+ years of experience building production-grade intelligent systems: LLM-powered platforms, automation pipelines, AI Agents, and Machine Learning infrastructure that runs reliably at scale - not just in demos. Our team has delivered 250+ AI and SaaS products across 45 countries, logging 15,000+ hours of hands-on AI Development. We don't prototype and disappear. We build systems that handle real data, real concurrency, and real business logic - then stick around to make sure they stay stable. What I build: AI Agents & Automation - autonomous agents for sales, support, document processing, and internal workflows. Custom-built, not no-code wrappers. As an AI Developer, I design agent logic that actually handles edge cases instead of failing silently when input doesn't match the happy path. Whether it's a copilot embedded in your SaaS platform or a multi-step orchestration pipeline, the agent works the way your business actually operates - not the way a demo script assumes it does. LLM Integration & RAG Pipelines - OpenAI, Gemini, Claude, and open-source models connected to your data through vector databases and retrieval-augmented generation. Accurate outputs, controlled token costs, and fallback logic built in from day one. I've shipped RAG systems that stay accurate at scale, not just on the first 50 queries. Machine Learning Systems - model integration into web platforms, predictive analytics pipelines, structured inference workflows, and Python-based AI backends. Machine Learning that serves real users under real load, not just Jupyter notebooks with clean data. I design the full data flow: preprocessing, inference, monitoring, retraining triggers - so your Machine Learning system improves over time instead of drifting silently. AI System Architecture - full infrastructure design for AI-powered SaaS, CRM, and enterprise platforms. Microservices, secure backend connectivity, scalable deployment pipelines. Built by an AI Developer who's seen what breaks in production and designs around it before it becomes a 2am incident. Optimization & Production Stability - latency reduction, token cost control, monitoring, logging, concurrency handling, and fallback strategies. I've cut inference latency by 45% and reduced manual operations by 60%+ on systems that were already live and struggling under load. How I work: Before writing a line of code, I map your automation logic, data sources, model requirements, and scalability assumptions. I want to understand the business workflow behind the AI feature - not just the API call. Then I design an architecture that fits your actual product, not a copy-paste structure from the last project. I also pay close attention to cost. Machine Learning inference and LLM token usage add up fast when nobody's watching. Every system I deliver includes cost monitoring, usage caps, and optimization strategies - so your AI budget stays predictable as you scale. Every AI Developer on our team writes production-ready code: documented, modular, and built to be maintained by someone who wasn't in the original planning call. Milestones are real deadlines, not rough estimates. You'll know exactly what's done, what's next, and what's blocking - before it becomes your problem. If something about the requirements doesn't add up technically, I'll say so before we start - not three weeks into the build. Results our clients have seen: ↑ 62% reduction in manual document processing through AI Automation ↑ 55% faster AI-powered data processing ↑ 45% latency reduction after Machine Learning pipeline optimization ↑ 50% improvement in automation efficiency ↓ 40% fewer operational bottlenecks through intelligent automation ✓ AI systems scaled to enterprise load without architecture rewrites ✓ LLM integration deployed to production with monitoring and cost controls Industries: FinTech · Healthcare · SaaS · EdTech · eCommerce · B2B Enterprise · AI Products Ready to build an AI system that holds up in production? → I'll review your requirements carefully — not skim them → I'll ask the questions that reveal the real architecture challenges → You'll get a clear technical plan, honest scope, and milestone breakdown → If I'm not the right AI Developer for your project — I'll tell you that directly No vague proposals. No oversold demos. Just structured AI Development delivered by an AI Developer who gives a damn about whether it works at scale. 👉 Hit Invite to Job or send me a message - I'll respond within a few hours.

I’m a Top 1% AI-Driven Full Stack Developer with 8+ years of experience delivering high-performance SaaS, AI, Web applications. I’m a Top Rated Plus 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟴+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building high-impact web applications, SaaS platforms, and AI/ML powered solutions that help businesses grow and compete. As an experienced Full Stack Developer, my focus is on delivering reliable, scalable, and intelligent software that aligns with your business goals and accelerates product success. As a versatile Full Stack Developer, I handle both frontend and backend development with expertise in modern frameworks and tools, and I integrate AI and machine learning capabilities where they add real value. I work with startups, growing SaaS companies, and enterprise teams to build secure, user-centric digital products optimized for performance, maintainability, and future growth. I specialize in end-to-end Full Stack Development with a strong emphasis on AI/ML integration, automation, and data-driven functionality that enhances user engagement and operational efficiency. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: • AI/ML Enabled Web Applications with intelligent features, automation, and personalized user journeys • Full Stack SaaS Platforms including multi-tenant architecture, admin dashboards, analytics, and billing systems • Responsive Full Stack Web Apps built with React, Next.js, and Angular on the frontend and robust APIs on the backend with Node.js and Nest.js • Cloud-Native Deployments on Azure, AWS, and Google Cloud with scalable architecture, Docker, and CI/CD pipelines • Third-Party Integrations including payment systems (Stripe, PayPal, Razorpay), chat, maps, media, and external SaaS APIs • Cross-platform experiences including mobile-ready solutions and Flutter support 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗮𝗰𝗸 (𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 + 𝗔𝗜/𝗠𝗟 𝗙𝗼𝗰𝘂𝘀): • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, Angular, TypeScript, JavaScript, Tailwind, Material UI • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, NestJS, Express.js, .NET Core, ASP.NET • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MySQL, MSSQL, MongoDB, Firebase, Supabase • 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: Azure, AWS, Google Cloud, Vercel, Docker, GitHub Actions, GitLab CI • 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: OpenAI APIs, Azure AI, LangChain, ChatGPT API, custom automation workflows 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 𝗮𝘀 𝗧𝗵𝗲𝗶𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: • Proven success with 100% job success and all 5.0★ ratings on Upwork • Deep expertise blending Full Stack Development and AI/ML to build intelligent, automated solutions • Strong architectural planning and modular code for performance, security, and scalability • Clear communication with regular updates, milestone tracking, and dependable delivery • Enterprise-grade security, authentication best practices, and data protection 𝗜𝗱𝗲𝗮𝗹 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: • 𝗦𝗮𝗮𝗦 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝘀 including CRM, LMS, analytics, dashboards, marketplaces, and admin tools • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗮𝗻𝗱 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (REST, GraphQL, microservices) • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 UI/UX using React, Next.js, Angular, and modern design systems • 𝗔𝗜/𝗠𝗟 𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 such as smart chatbots, recommendation systems, automated workflows • 𝗖𝗹𝗼𝘂𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁𝘀 and CI/CD automation for zero-downtime releases • 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 experiences including Flutter and progressive web apps 🤝 𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝘃𝗲 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿. Whether you’re launching a new MVP, scaling your SaaS product, integrating AI features, or modernizing a legacy system, I’ll help you design, develop, and deploy a production-ready solution that surpasses expectations. 📩 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁, 𝗹𝗲𝘁’𝘀 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝘃𝗶𝘀𝗶𝗼𝗻 𝗶𝗻𝘁𝗼 𝗿𝗲𝗮𝗹𝗶𝘁𝘆 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Full Stack Developer | Full Stack SaaS Developer | SaaS Application Development | .NET Developer | .NET Core Developer | React Developer | Node.js Developer | Full Stack Developer | Angular Developer | Full Stack Developer | Next.js Developer | NestJS Developer | Full MERN Stack Developer | Full MEAN Stack Developer | Full PERN Stack Developer | Full Stack Developer | MongoDB | Cloud Engineer | Full Stack Developer | API Developer | API Integration | API Development | Azure | AWS | Google Cloud | REST API | Microservices | DevOps | CI/CD | GraphQL | AI Specialist | Full Stack Developer | AI-Integrated Solutions | ChatGPT Integration | Flutter | Full Stack Developer | Cross-Platform Apps | Enterprise Developer | Web Application Development | SaaS Expert | Full Stack Developer | Multi-Tenant SaaS | Web Application Developer | Full Stack Developer Full Stack Developer

I am a highly motivated and enthusiastic Backend Developer with 8 years of experience building web applications using Python and related technologies. I am well prepared to work with Machine Learning (ML) and Artificial Intelligence (AI), so now looking for an opportunity to apply my knowledge to deliver exciting new projects in this area! I'm passionate about programming and have consistently delivered high-quality, scalable, and robust solutions that meet my client's needs. I have experience working in international markets. One of my strengths is the ability to create the final product while working in an international team united by a common goal. TECH STACK ✅ PROGRAMMING LANGUAGES: Python, Javascript ✅ FRAMEWORKS/LIBRARIES: Django, Flask, FastAPI, Aiohttp ✅ DATABASES: MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch ✅ AI/ML STACK: Streamlit, Gradio, Python notebooks, LlamaIndex, Langgraph, Langchain, RAG, Embeddings, LLM, FineTuning, NPL, vector database, graph database, Knowledge Graph, OpenAI, Gemini, Groq (LLama2, LLama3, Gemma, LLava, etc), Ollama ✅ OTHER: Celery, AWS, Digital Ocean, Sockets PORTFOLIO ✅ Onboard charging system. I discussed the requirements with the client, developed several modules, and tested the codebase. ✅ Web application with an emulator of charging stations and central. I designed models for databases, created endpoints, and implemented OCPP 1.6 functionalities. ✅ Development of an app for tracking races and for racing statistics. I developed API service using the Django REST framework, designed database models, covered code with unit tests, integrated with the Stripe payment system, and mentored junior developers on best practices and programming techniques. ✅ Car auction platform which allows users to buy cars. I performed code review and code refactoring, created internal tools for parsing data, covered code with unit tests, and implemented new features ✅ CRM system for casino based on popular casino engine. In this project, I developed a serverless API service using AWS Lambda, AWS API gateway, and serverless framework for Node.js, delivered code review and code refactoring, and designed models using serverless CMS Webiny and GraphQL. ✅ Development of an app for tracking students and study unit (Universities, Colleges, schools) processes. I worked on a team to develop a web-based application using Python and Django, participated in code reviews, bug fixing, and testing activities, and assisted in the application deployment on the production server. ✅ A system for boat or yacht reservations. I developed and maintained a Python-based application, designed database models, integrated with the Stripe payment system, implemented sockets chat using Django channels, and developed and maintained the front-end part using jQuery, HTML5, and CSS3. LANGUAGES I SPEAK Ukrainian is my native language. Besides, I have strong English skills. Most of my previous customers were English-speaking, so I am comfortable communicating in English. MY TEAM I am at ease as an individual contributor, but being a team player works best for me. So I joined Extrawest — an Upwork Top Rated Agency specializing in FinTech and Banking, Gambling and Betting, Food Ordering and Delivery, Logistics and Fleet Management, Medical Insurance and Healthcare, and special software for Electric Vehicles Charging Station networks since 2006. Having most of our resources based in Europe, we’ve been working with customers from over 20 countries (the US, Canada, Australia, most of the EU, South Africa, Singapore, Japan). Hence, it won’t be a problem for us to adjust to your timezone and working schedule. INVITE ME FOR AN INTERVIEW If you feel I’m a good fit for your project, let's discuss how I can help streamline your business’s growth! 🟩 🟩 🟩 🟩 My Agency Skills: Front-End (Frontend) Development, Back-End (Backend) Development, Full-Stack (Fullstack) Development, Mobile Development, Artificial Intelligence (AI), Machine Learning (ML), EV Charging, eMobility, OCPI, OCPP, Automotive, Logistics, Delivery, Food Ordering, FinTech, Healthcare, Insurance, Betting, Gambling, Flutter, Dart, JavaScript (JS), TypeScript (TS), Angular, Vue.js (VueJS, Vue), React.js (ReactJS, React), Node.js (NodeJS, Node), Java, Spring, SpringBoot, Hibernate, Python, Django, Scrapy, Quality Assurance (QA), Manual Testing, Automated Testing, UI/UX Design, Figma, Adobe Creative Cloud, DevOps, MySQL, PostgreSQL, MongoDB, Firebase, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Project Management (PM).