🏆 Top Rated Plus on Upwork, top 3% globally 📋 What you get ▸ 9+ years of experience as Python Developer | AI Developer | Backend Developer ▸ 20+ delivered projects across AI SaaS, CRM systems, RAG platforms, legal tech, climate tech, real estate, healthcare, and marketplaces ▸ 5+ AI-powered RAG systems, LLM assistants, document processing pipelines, and OpenAI integrations built from idea validation to production launch ▸ 15+ scalable Python backends with Django, FastAPI, PostgreSQL, Docker, AWS, Stripe with clean architecture, secure APIs, production-ready delivery ▸ Achievements | Client wins from Python AI & backend development ▸ 26-day ROI recovery · built a Recruiting SaaS with Python backend and automated web scraping pipelines that helped a recruitment agency launch faster ▸ 16x efficiency boost · built a custom web application for construction, cutting quoting time from 8 hours to 30 minutes ▸ #4 Product of the Day · delivered an AI Legal Assistant with RAG-powered document search, OpenAI integration, and AI agent workflows for a legal tech startup ▸ 5+ HIPAA‑compliant healthcare platforms · secure backend systems with role‑based access, API integrations, and patient‑provider workflow automation ▸ 10+ CRM & ERP systems · custom Python backends, dashboards, scalable automation, data scraping and reporting tools ▸ What I can do for you ▸ Custom Python backends with Django, FastAPI, or Flask · clean architecture, RESTful APIs, production readiness ▸ AI-powered RAG systems and LLM integration · LangChain, OpenAI API, vector databases, semantic search ▸ AI Legal Assistant · RAG, OpenAI, clause summarization ▸ AI Climate Policy Chatbot · semantic search, citations, hallucination checks ▸ AI‑powered visual search marketplace · image recognition, matching algorithms ▸ AI publishing platform · RAG, automated QA, versioning, observability ▸ AI document intelligence · PDF/DOCX parsing, structured extraction, LLM insights ▸ AI FinTech MVP · Python backend, API integrations, scalable SaaS ▸ Document processing pipelines · PDF parsing, OCR, data extraction, structured output ▸ Data scraping and automation · BeautifulSoup, Scrapy, Selenium, ETL pipelines, scheduled workflows ▸ SaaS platforms and MVPs · user roles, subscription billing, Stripe integration, scalable architecture ▸ Admin dashboards · role‑based access, analytics, reporting, data visualization ▸ AI agents and chatbots · intelligent assistants, conversational AI, automated decision-making ▸ Healthcare and compliance · HIPAA, SOC 2, GDPR-ready backend systems ▸ Real estate, marketplace, CRM · property tracking, user management, workflow automation ▸ PostgreSQL schema design and optimization · scalable database architecture ▸ API integrations · Stripe, OpenAI, Twilio, SendGrid, third‑party RESTful APIs ▸ Infrastructure · Docker, CI/CD, AWS (EC2, S3), Railway, Render ▸ Post‑launch support · maintenance, feature additions, technical guidance ▸ Full‑stack Python & web · React, JavaScript, HTML, CSS, Bootstrap, PHP/Laravel integrations ▸ Core stack Backend: Python, Django, FastAPI, Flask, PostgreSQL, Redis, Celery AI & LLM: OpenAI API, LangChain, FAISS, Pinecone, pgvector, Retrieval Augmented Generation, RAG pipelines, Vector Search, Semantic Search, Computer Vision (Clarifai) Data & Automation: BeautifulSoup, Scrapy, Selenium, pandas, ETL Pipelines, PDF/DOCX Parsing Infrastructure: Docker, AWS, CI/CD, GitHub Actions, Railway, Render Frontend: React, JavaScript, HTML, CSS, Bootstrap, Next.js As a Python and backend developer, I cover end‑to‑end delivery: architecture, APIs, databases, infrastructure, and AI logic. I work as a Python backend developer, AI developer, Full Stack Python developer, or Python web developer depending on the scope. For AI projects, I act as a Python AI developer, building RAG systems, LLM pipelines, document processing, and intelligent automation, with experience in machine learning and data science. My work also spans Deep Learning, Natural Language Processing, and AI agent development. I also work with PHP and Laravel when integration into existing systems is needed. My web scraping background supports analytics, lead generation, and market research. What sets me apart is product thinking. As a technical partner and software engineer, I define architecture, reduce complexity, and build user‑ready solutions, not just prototypes. My experience spans full stack developer, web developer, php developer, web scraping, machine learning, and data scientist roles, enabling effective cross‑functional collaboration across the entire product lifecycle. Looking for a python developer or backend developer to build or scale your backend? Reach out to me. ✉︎

Python Full Stack Developer who steps in where products stall - fixing broken ownership, tightening architecture, and turning messy delivery into a system that actually ships 10+ years in web product development, I now lead UASOFTDEV as CTO & Co-Founder, building and scaling teams of senior Ukrainian engineers who can integrate fast and take real technical responsibility from day one. If your product is slowed down by handoff gaps, weak architecture, or fragmented ownership, I help turn it into a clear delivery process with strong technical control My strongest core role is a python developer for backend-heavy products, with additional experience in C# .NET when projects require enterprise-grade backend logic. When the scope expands, I work as a full stack developer with end-to-end ownership, or as a web developer focused on scalable execution. 📌 What I typically cover Web and Mobile Development backed by 10+ years of product work, supported by a python full stack developer approach when APIs and UI must evolve together Full-Stack Development aligned into 1 clear delivery flow, shaped through python full stack thinking for faster releases and fewer handoff gaps E-commerce Web Development across 3 core layers - business logic, integrations, and user flows - delivered with full stack python experience API development and Integration for internal platforms and 3rd-party systems, handled in a full stack developer python role when architecture must stay practical ⚙️ My current capability set covers React with JavaScript, Next.js, Nest.js and TypeScript, plus Vue.js and Angular. On the backend, I work with Node.js, laravel, python, Django, Flask, .NET, C++, Go, Ruby on Rails and Java. Mobile and cloud delivery includes iOS, Android, flutter, React Native, AWS, Azure, GCP, Docker, Kubernetes, and openstack. I also support CMS and platform work through wordpress, Drupal, Symfony, Magento and Shopify. 🛠️ Delivery across product layers Lean API products often benefit from a python full stack developer flask setup User-facing systems need a full stack web developer mindset when flow affects adoption Interface-heavy platforms grow faster with a full stack developer react profile Cross-layer execution works well in a full stack developer react python environment System reliability improves early with a backend python developer focus 🤖 I build AI features for real workflows, not for demo value alone. In that context, I work as a python ai developer on assistants, automation and internal tools. My python ai work is strongest where adoption matters, and clients also bring me in as an ai developer or ai software developer when implementation must connect product, backend, and rollout. 🧠 AI, frontend, and product execution ✔️Practical ai machine learning features tied to support, search, and operations ✔️Applied machine learning developer work when smart functionality must fit an existing product ✔️Business-facing machine learning integrations designed for measurable value ✔️Custom chatbot systems built with react python flows and fastapi services ✔️Scalable UI delivery as a react developer with clean html front end execution and thoughtful app design ☁️ I stay close to architecture because strong delivery depends on clear ownership. That is why I regularly handle back end development, step in as a backend developer when technical decisions affect release quality, and support python devops workflows across cloud and deployment planning. 🔧 Collaboration and adjacent exposure In a startup, delivery often means working beside a data scientist, then translating that work with a product manager into usable features. Release quality improves when a qa analyst joins early, especially in products shaped by compliance. Some founders also involve me as a startup consultant before code begins. ✔️Broader platform exposure includes sharepoint workflows, material ui dashboards, payment gateway implementation ✔️Cross-team delivery has also touched full stack java environments and adjacent java devops processes. ✔️Finance-related work has included trading python flows, algorithmic trading logic, binance integrations, and tools built for a trader. ✔️Adjacent product contexts have involved data entry operations, support for a journalist workflow, technical resume writing solutions, selected dall-e use cases, prototype work around crypto bot ideas, and tools requested by gaming developers. ✔️Growth-focused engagements may also involve a seo specialist, a practical it consultant, or teams building in marketing saas. 🌍 My domain expertise includes AI Startups, Data Analytics, Healthcare, Fintech, E-commerce agencies, IT Consulting/Softdev companies, Real Estate, Non-Profit, Blockchain and Gambling 🤝 If you need senior technical ownership Python Full Stack Developer, fast ramp-up and delivery that stays aligned with business goals, let’s talk."

I provide a Node.js Backend Developer team that ships production-grade SaaS, APIs and platforms. 11,000+ hours worked, 50+ Node.js Backend Developer projects delivered, 100% Job Success Score, Top Rated Plus. As CEO I scope and own every Node.js Backend Developer engagement we sign. I study the brief, run discovery with founders, match the right engineers and stay accountable for delivery. My team owns the code - I never touch it. So when a brief lands for a Backend Engineer, an API Developer or a full stack software engineer, I scope it and the team builds it. Why hire my team: - 20+ years of Node.js Backend Developer, Full Stack Developer and SaaS Developer delivery - 200+ Node.js Backend Developer and SaaS Developer projects shipped - Long-term clients on retainers (3 - 10+ years) Our Node.js Backend Developer team designs services, REST and GraphQL APIs, queues and event pipelines that hold up under real production load. A NestJS Developer on the team treats Node as a serious production runtime and owns the heavy backend modules. Typical engagements: multi-tenant SaaS APIs, real-time platforms, billing flows, data pipelines, AI-backed services. Stack: Node.js, NestJS, ExpressJS, TypeScript, PostgreSQL, Redis, Elasticsearch, AWS, GCP, Docker, Kubernetes. Our Full Stack Developer team owns systems end-to-end - one team handling Node.js services, React frontends, data models and infra. A React Node pairing is our default shape - a React Node frontend on a NestJS Developer backend, with a nextjs developer on SEO-critical pages. We replace fragmented setups where a website developer, web developer and front end specialist were stitched together. Adjacent angles I present daily: full stack developer saas for B2B platforms, python full stack developer pairings for data and AI, full stack developer ai integrations, full stack developer react teams for SaaS dashboards, full stack developer shopify extensions, full stack web developer rebuilds of legacy SPAs, full stack ai saas developer engagements where LLM features must ship at production standard. Our SaaS Developer team helps founders ship multi-tenant SaaS and B2B platforms. A SaaS Developer engagement covers auth and RBAC, Stripe billing, observability, anti-abuse and event tracking the saas marketing team can use. The team has shipped a webflow developer saas pairing, a b2b saas booking system developer engagement, a ui ux designer saas pipeline, a saas explainer video flow in onboarding and a saas sales console wired into the backend. On the API side a dedicated API Developer track owns contracts and versioning. A REST API Developer designs the REST API Developer surface - resources, pagination, idempotency, webhooks - and the API Developer keeps SDKs and docs honest. A Backend Engineer owns the data layer; a second Backend Engineer covers queues and workers so the API never blocks on jobs. Cross-language coverage. A python developer track owns scraping, ETL and AI workflows. python nodejs migrations land here when teams consolidate dual stacks. flutter node.js and vue.js node.js setups join the core when mobile or admin SPAs need a reactive layer. A react developer pairing handles SaaS dashboards on the API. A wordpress developer or shopify developer hand-off covers CMS migrations. A mobile app developer pairing extends the SaaS into iOS and Android. Clients hire me when they need: - a Node.js Backend Developer team that owns architecture, APIs and scaling - a back end developer node.js bench for high-traffic SaaS - a Full Stack Developer team replacing 3 - 5 contractors with one coherent system - a SaaS Developer team fluent in multi-tenancy, auth, billing and RBAC - an API Developer and Backend Engineer pair for a clean, versioned REST API Developer surface - a full stack software developer practice with CEO-level discipline on roadmaps - a website developer hand-off backed by the team Recent work my team shipped: - Cybersecurity SaaS. Node.js, NestJS, PostgreSQL, Redis on GCP + Kubernetes. 170M+ req/week, 500 RPS peaks, 1M+ MAU. - Device Verification SaaS. Single backend powering web, Telegram bot and Developer API. 4K+ DAU, 1M+ checks, 80%+ via API. - Clinic Enterprise platform. React, Next.js, Laravel, Node.js, Redis, AWS. REST API, queues, RBAC, 1C and lab integrations. MVP in 4 months for 500 patients/day, 500K records. - E-commerce Data Pipeline SaaS. 50M+ products, per-partner parsers, dedup. Cloud cost cut ~9x at sub-second search across 300 - 500K DAU. - Multi-currency Voting SaaS. Wallets, Stripe top-ups, real-time vote locking over WebSockets. 2M+ users in 10 countries, $2.5M+ revenue. Reliable SaaS comes from deliberate design - that's what my Node.js Backend Developer, Full Stack Developer and SaaS Developer team focuses on. Need a Node.js Backend Developer team, a Full Stack Developer team or a SaaS Developer partner that delivers on time and stays long-term - let's talk.

Most backend projects fail not from bad code, but from architecture decisions made too early and changed too late. I'm a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with an 𝟵+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 who builds systems designed to survive growth, not just launch day. I help startups, founders, and growing businesses build production-ready software that is scalable, maintainable, and designed for real-world usage. 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 → Full-stack web applications using Django, FastAPI, React, Next.js, and PostgreSQL → High-performance REST APIs and backend systems designed for scale and reliability → Multi-tenant SaaS products with user management, subscriptions, Stripe billing, dashboards, and role-based access control → Cloud-native deployments using Docker, AWS, CI/CD pipelines, and scalable infrastructure → Real-time applications using WebSockets, background workers, queues, and asynchronous processing → Automation platforms, browser automation, data extraction systems, and custom business workflows → AI-integrated SaaS platforms powered by OpenAI, GPT, RAG pipelines, and AI agents → AI-powered chatbots, knowledge bases, internal tools, and document processing platforms 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 → Clear communication and regular project updates → Clean, maintainable, and well-documented code → Production-ready architecture from day one → Scalable solutions designed for future growth → Ownership throughout planning, development, deployment, and support → Testing and quality assurance before delivery 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 ⚙️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Python, Node.js, Django, FastAPI, Flask, REST APIs, GraphQL, Authentication Systems, Background Processing, Celery, Async Applications 🎨 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 React, Next.js, TypeScript, JavaScript, Tailwind CSS, Responsive Web Applications, Dashboard Development ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 Docker, AWS, CI/CD, GitHub Actions, Deployment Automation, Performance Optimization, Scalable Architecture 🗄️ 𝗗𝗮𝘁𝗮 & 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 PostgreSQL, Redis, Database Design, Query Optimization, Caching Strategies, Data Processing Pipelines 🔄 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 Web Scraping, Selenium, Playwright, Browser Automation, API Integrations, ETL Pipelines, Workflow Automation 🧠 𝗔𝗜 & 𝗟𝗟𝗠 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 OpenAI API, GPT Integration, AI Agents, RAG Pipelines, Prompt Engineering, Vector Search, AI Chatbots, Document Processing 𝗥𝗘𝗖𝗘𝗡𝗧 𝗙𝗢𝗖𝗨𝗦 → Django + React platforms for startups and growing businesses → FastAPI backend architectures for high-performance applications → API integrations connecting multiple third-party services into a unified workflow → Automation systems that eliminate repetitive manual work → AI-assisted features integrated into production SaaS products → RAG systems and AI assistants connected to company knowledge bases I work best with startups, SaaS founders, and businesses that value long-term partnerships and want software built correctly the first time. If you are building a SaaS platform, backend system, automation tool, or AI-integrated application, send me a message with your project details and I'll help you define the best technical approach before development begins.

💼 Python Developer | Python Django | Python Web Scraping | Python Full Stack Developer | Python AI | Python Automation 🏆 TOP RATED PLUS | 💰 $5M+ Client Revenue | 💼 111+ Projects Delivered | ✅ 11,000+ Upwork Hours 💡 Clients Achieved: 🚀 Raised $4.9M+ / $9.4M+ / $6M+ after product development 📈 Scaled platforms to millions of users & billions of operations ⚡ Reduced system load & response time with optimized Python architectures 💰 Automated payments, workflows, and analytics → higher ROI & efficiency 🏥 Built secure, compliant systems (HIPAA, GDPR) used by global organizations I am a Python Developer, Python Full Stack Developer, Python AI Developer, and Python AI Engineer with 10+ years of experience building scalable web platforms, SaaS products, AI systems, and high-performance backend architectures. As a Python Developer, I specialize in designing clean architecture, scalable systems, performance optimization, and production-ready solutions that support real business growth. I work as a Python Full Stack Developer (Python + React / Next.js), combining powerful backend engineering with modern frontend development to deliver complete end-to-end applications. My expertise includes Python Django development, Flask development, and FastAPI development, building robust APIs, microservices, and distributed systems. I am also a Python Automation Engineer and Python Web Scraping Specialist, building intelligent automation systems, data extraction pipelines, and large-scale Python web scraping solutions for business intelligence, analytics, and AI-driven data processing. I design reliable scraping architectures that handle complex, high-volume data at scale. As a Python AI Developer, I build AI-powered applications, NLP systems, automation workflows, and data-driven intelligent platforms integrated with modern Python frameworks and cloud infrastructure. ⚡ Core Expertise as a Python Developer Python Full Stack Development (Python + React / Next.js) Python Django Developer, Flask Developer, FastAPI Developer Python AI Development & Machine Learning Integration Python Automation Engineering for business workflows Python Web Scraping & Data Extraction Systems Scalable backend systems, APIs, and microservices Cloud & DevOps (AWS, Docker, CI/CD pipelines) High-performance, production-grade Python systems 🚀 Selected Projects The Skills ($4.9M raised) 🎓 – Built and scaled an e-learning platform with payments, subscriptions, and mobile apps. As a Python Developer, helped launch a product used by thousands of users worldwide. Veeqo (acquired by Amazon) 📦 – Developed retail infrastructure processing £1B+ in orders. Optimized backend performance, integrated Stripe, and reduced server load using AWS Lambda as a Python Developer. Creyos (75K+ users, healthcare) 🏥 – Built a HIPAA-compliant cognitive assessment platform used by global research institutions. As a Python Developer, worked on secure data systems, scaling, and performance. CityFALCON ($6M raised) 📊 – Created a real-time NLP-powered financial news platform processing millions of articles daily. Designed scalable backend architecture as a Python Developer. ⚡ What I Deliver as a Python Developer Clean, scalable Python AI systems and backend architectures High-performance Python Django / Flask / FastAPI applications Python Full Stack Development (React / Next.js integration) Python Automation & Python Web Scraping solutions AI-powered Python applications and intelligent workflows Secure, compliant systems (GDPR, HIPAA-ready architectures) End-to-end product delivery from idea to production Client Testimonials ⭐⭐⭐⭐⭐ “Very professional! Pleasure to work with. Will definitely use again.” ⭐⭐⭐⭐⭐ “Super reliable, fast, and with clean, well-structured code. Communication was smooth and always on time.” ⭐⭐⭐⭐⭐ “Very satisfied with the work.” 💼 Why Clients Work With Me 10+ years of proven experience as a Python Developer Strong expertise in Python Full Stack, Python AI, and Python Web Scraping Ability to scale systems from MVP to enterprise-level platforms Deep understanding of backend architecture and system design Reliable communication and predictable delivery 🚀 Let’s talk about your project - I am available as your Python Developer, Python Full Stack Developer AI React, Python AI Developer, Python Automation Engineer, Python Django Developer, and Python Web Scraping Specialist.

I build systems that scale with your business because I care about two things equally: the quality of code and the outcome it produces. As a Full Stack Developer and AI Integration developer with 10+ years of experience I have learned that clean architecture, efficient code and solid engineering decisions are what separate software that grows a business from software that slows it down. This is Zain, a Full Stack Developer, AI Integration developer and Backend Developer specializing in AI-powered SaaS platforms, MVPs and backend systems that go live, handle real users and keep running. My work covers everything from database architecture and API design to React and Next.js frontends, AI integration into production backends and deployment on AWS. I lead senior engineering team at Innovation Insight. Every project is built for production from day one. ━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗛𝗔𝗧 𝗜 𝗛𝗔𝗩𝗘 𝗕𝗨𝗜𝗟𝗧 ━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗩𝗼𝗻𝘇𝗮 — SaaS platform, $70K+ monthly recurring revenue As lead Full Stack Developer I built and maintain the entire backend architecture including API design, PostgreSQL database, Stripe Connect billing, e-commerce logic, CRM and AI-powered features. React and Next.js on the frontend. Five-plus years in production. Thousands of paying customers. Still growing. 𝗘𝗱𝗴𝗲𝗢𝗖𝗥 — AI Integration for enterprise document processing As AI Integration developer and Full Stack Developer I built the AWS Bedrock AI processing pipeline, multi-tenant data isolation and usage-based Stripe billing. Node.js backend, Next.js frontend, AWS infrastructure. Live handling enterprise document workloads daily. 𝗣𝗮𝘁𝗿𝗼𝗹𝟲 — AI Integration for security platform As AI Integration developer and Backend Developer I built real-time video analysis with Google Vertex AI, GPS tracking and AWS IoT Core device management. Live processing video streams in the field every day. 𝗚𝗼𝘃𝗗𝗼𝗰.𝗮𝗶 — AI Integration for government contracting intelligence Built RAG pipelines using AWS Bedrock and Cohere embeddings as AI Integration developer and Full Stack Developer. Reduces hours of manual RFP and SOW review to seconds. React frontend, Node.js backend, Next.js, AWS infrastructure. Live serving active government contractors. Every one of these is live, serving real users, handling real money. 𝙒𝙃𝘼𝙏 𝙄 𝙃𝙀𝙇𝙋 𝙔𝙊𝙐 𝘽𝙐𝙄𝙇𝘿 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝗮𝗻𝗱 𝗠𝗩𝗣𝘀 If you have a product idea that needs AI Integration I help you define the MVP scope, plan the AI architecture and build a scalable SaaS platform ready for real users and long-term growth. As a Full Stack Developer and AI Integration developer I handle everything from database schema and AI pipeline design to React frontend and AWS deployment. I have built OpenAI integrations, AWS Bedrock RAG pipelines and real-time AI features inside production SaaS products. 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀, 𝗔𝗣𝗜𝘀 𝗮𝗻𝗱 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 As a Backend Developer, Node.js Developer and AI Integration developer I build Node.js and NestJS backend systems handling business logic, authentication, third-party integrations and databases. 𝗥𝗘𝗦𝗧 𝗮𝗻𝗱 𝗚𝗿𝗮𝗽𝗵𝗤𝗟 𝗔𝗣𝗜𝘀 𝗯𝘂𝗶𝗹𝘁 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲. When a project requires AI functionality I integrate it at the backend level as a production-grade, cost-controlled and observable AI Integration component. Not an experimental demo. A production AI system built to run reliably at scale. 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 I deliver the following as an AI Integration developer and Full Stack Developer: ✅ OpenAI and GPT-4 integration into existing SaaS platforms and backend systems ✅ AWS Bedrock setup and RAG pipeline development for document intelligence ✅ Google Vertex AI integration for real-time data and video analysis ✅ LLM integration and prompt engineering for production AI applications ✅ AI cost management, token optimization and usage monitoring 𝗥𝗲𝗮𝗰𝘁 𝗮𝗻𝗱 𝗡𝗲𝘅𝘁.𝗷𝘀 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 As a React Developer I build fast modern product interfaces for SaaS dashboards, admin portals and marketplaces. Next.js for server-side rendering and full stack React applications. Scalable component architecture built to grow with your product. 𝗠𝗬 𝗦𝗧𝗔𝗖𝗞   • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, TypeScript   • 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, NestJS, Python   • 𝗠𝗼𝗯𝗶𝗹𝗲: React Native (iOS and Android)   • 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: PostgreSQL, MongoDB, Redis   • 𝗔𝗣𝗜𝘀: REST, GraphQL   • 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: OpenAI, AWS Bedrock, Google Vertex AI, Cohere, LLM integration, RAG pipelines   • 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: AWS, Docker, Kubernetes, CI/CD pipelines 𝗪𝗛𝗢 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 I work best with founders, product teams and technical leads who need a Full Stack Developer and AI Integration developer who can own a project end to end. If you are building an AI-powered SaaS product or need an AI Integration developer, send me a message.

Hi, I’m Bilal A Full stack Developer with 8+ years of experience delivering robust, scalable, and high-impact solutions across diverse industries including healthcare, insurance, fintech, food tech, and transportation. 🧰 Tech Stack & Expertise Languages & Frameworks ✔️ Python (Django, Flask, FastAPI) ✔️ JavaScript / TypeScript (ES6+, React, Node.js, Next.js) AngularJS, PHP ✔️ Ruby, Ruby on Rails, Rust ✔️ Java (Spring Boot), .NET (.NET Core, C#) Databases & Search ✔️ PostgreSQL, MySQL, MongoDB, Elasticsearch, Redis Web3 & Blockchain ✔️ Ethers.js, web3.js, wallet integration (MetaMask, WalletConnect) AI & Data Engineering ✔️ Machine Learning, NLP, ASR, Computer Vision ✔️ Libraries: PyTorch3D, NumPy, Scikit-learn, pandas DevOps & Cloud ✔️ AWS, GCP, Azure ✔️ Docker, Kubernetes, CI/CD (GitHub Actions, GitLab, Bitbucket) ✔️ Serverless (Lambda), Microservices, Caching (Redis, CDN) Collaboration Tools ✔️ Jira, Confluence, GitHub, GitLab, Slack 🤖 AI-Enhanced Solutions While I’m a full-stack developer at heart, I bring AI-driven innovation to projects wherever it adds value. Whether it’s optimizing recommendation engines, automating workflows, or integrating NLP features into web apps, I’ve led ML-powered solutions that improved user experience and revenue without overcomplicating the tech stack. 🔧 How I Work ✅ Clear communication, proactive updates, and friendly collaboration ✅ Code that’s clean, scalable, and aligned with business goals ✅ Strong mentorship mindset helping teams grow while delivering value ✅ Comfortable with both fast-paced startups and structured enterprise environments ✅ Experienced in designing GraphQL and REST APIs for SaaS and real-time platforms 🌟 Why Clients Choose Me I treat every project like it’s my own, delivering quality, ownership, and precision I understand the intersection of technology and business I bring a track record of delivering on time, every time I believe in building solutions that last, not just quick fixes Let’s Work Together Whether you need AI integration, scalable backend architecture, or full product development, I’m ready to help bring your vision to life. Let’s connect and create something exceptional.

🌟 Need an expert React Developer? 𝐆𝐫𝐚𝐛 𝐚 𝐅𝐫𝐞𝐞 𝟒𝟎-𝐌𝐢𝐧𝐮𝐭𝐞 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 – let's map out the plan. Senior Full-Stack Developer – 9+ years in Python/Django, JavaScript/TypeScript, React/Next.js, Node/Nest. Fast communication, immediate availability, delivery that matches your timeline. 𝐓𝐫𝐚𝐜𝐤 𝐫𝐞𝐜𝐨𝐫𝐝 5 years on Upwork, 22 clients served, 1,000+ hours delivered, 100% Job Success Score, Top Rated. I've shipped 30+ Django REST Framework APIs and 20+ full-stack web applications from scratch, with [4/5] years leading dev teams and 2 as a software architect – which means I know how to scope a project so it doesn't blow up halfway through. 𝐂𝐨𝐫𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 -Backend: Python, Django, Django REST Framework, FastAPI, Flask, Node.js, Express.js, NestJS -Frontend: React.js, Next.js, TypeScript, JavaScript, Redux, Tailwind CSS, Material UI -Mobile: React Native (cross-platform Android/iOS) -AI Integration: OpenAI API, ChatGPT integration, AI-assisted features, recommendation systems -Database & Cloud: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, AWS, Azure, Digital Ocean, Firebase, Supabase -DevOps: Docker, Kubernetes, Nginx, GitHub Actions, CI/CD pipelines -Payments: Stripe integration, Authorize.net, subscription billing, invoicing -Real-Time Systems: WebSocket, Django Channels, Daphne, live chat, real-time notifications -Testing: Unit testing, integration testing, Pytest Additional: API integrations, third-party API development, SaaS development, MVP development, legacy code refactoring, code review, technical consulting. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 Healthcare, real estate tech, telecom and ETL systems, e-commerce, HR tech, marketplaces, video/SaaS tools, data privacy and ML applications, booking and scheduling platforms, CRM and business automation. 𝐒𝐩𝐞𝐞𝐝 𝐭𝐨 𝐦𝐚𝐫𝐤𝐞𝐭 I prioritize fast delivery so you can start testing and generating revenue sooner. Custom architecture built on proven frameworks (Django, React, Next.js) means you're not paying to reinvent infrastructure - or to maintain something overengineered six months from now. 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 Straightforward updates, fast responses, no unnecessary meetings. I work async-friendly, so progress doesn't stall just because we're not online at the same time. 📩 Got a project in mind? Message me and let's get you on the calendar for a free 40-minute consultation.

🏆 Python Developer with 19,000+ hours delivering solutions | 98% Job Success Score | 24+ projects completed on time 💬 Client Reviews Python developer: ⭐⭐⭐⭐⭐ "Sergey did an excellent job on this project. The results were exactly as I needed them. He understood the requirements and how to implement the project very well. I have since hired him again for further work." ⭐⭐⭐⭐⭐ "This was a very complex problem. Sergy understood the project very well and did an excellent job developing a solution that we use daily now." 🎯 What I Bring as a Python Developer: • 9+ years of experience building scalable backends and microservices with Python, FastAPI, Django, and Python Full Stack Developer Flask • Expertise in deploying production-ready applications on AWS, Heroku, Fly.io, DigitalOcean, and VPS with fully automated CI/CD pipelines • Proficient in AI integrations, data pipelines, predictive analytics, and designing microservices for complex systems • Proven track record in leading teams, Python web development, and building solutions from the ground up 🐍 Python Developer Tech Stack: • Backend Frameworks & Languages: Python, FastAPI, Django, Flask, Django Rest Framework, Celery, GraphQL, REST APIs, Microservices Architecture • Databases: PostgreSQL, PostGIS, MySQL, MongoDB, MS SQL, Redis, SQLite, Amazon Aurora • Cloud & DevOps: Docker, AWS, Azure, Heroku, Fly.io, DigitalOcean, VPS, CI/CD pipelines, GitHub Actions, GitLab CI, Ansible, Nginx, python aws • Frontend Frameworks & Full-Stack: React, JavaScript, TypeScript, jQuery, HTML, CSS, Bootstrap, Highcharts • AI & Data: Machine Learning, NLP, Sentiment Analysis, Predictive Analytics, Data Pipelines, PyTest for TDD, OCR, Optical Character Recognition, Microsoft Face recognition, Azure AI Face service, machine learning python and python data science • Tools & Platforms: Keycloak, OpenShift, Kong Gateway, Apache Mesos, Apache Aurora, Postman, Figma, Google Apigee API, OCR (Optical Character Recognition) with world-class Google Cloud AI 🏗️ Projects I’ve Led as a Python Developer aws: • Healthcare: Built family appointment systems, DNA test purchasing platforms, and patient portals integrated with insurers • Healthcare: Developed and scaled high-throughput RESTful APIs in python web development using Flask and Python microservices • Agritech: Created a grain price dashboard with real-time market data for traders • Telecom: Developed a cell tower mapping platform as a Python full stack developer with geocoding functionality • Product Companies: Engineered AI-powered tools for code conversion as a python django • Retail & Healthcare: Delivered an AI-driven translation service for a medical corporation • Retail: Developed AI-powered tools for sentiment analysis of reports and articles for a manufacturer with python web scraping • Fintech: Built a secure web wallet with multi-currency exchange, blockchain integration, as python code review • Automotive: Designed predictive models for sales forecasting and python ai developer 🏢 Industries for the Python developer: I have successfully delivered projects across Healthcare, Agritech, Telecom, Retail, Fintech, Automotive, and B2B domains 🔧 Roles I Commonly Take On: • AI-Focused Python Developer creating workflow automation using OpenAI and AI integrations • Python Full Stack Developer flask helping high-growth startups scale reliably and efficiently • Python AI developer specializing in building robust, scalable APIs with Python • DevOps Python developer AWS implementing CI/CD pipelines for Django, Flask, and FastAPI applications • Python Django delivering end-to-end solutions in Django and React • Python Full Stack Developer Flask • Machine Learning Python • Python web scraping 📊 Key Achievements: • Developed automation scripts that saved clients 100+ hours/month in manual work • Engineered systems supporting over 30,000 daily active users with zero downtime at launch • Orchestrated 4,000+ concurrent translation tasks • Achieved over 83% unit test coverage on complex integrations • Migrated legacy systems with 100% data integrity preserved • Integrated 35+ third-party APIs seamlessly into production systems • Automated broker commission calculations, reducing processing time by 70% • Passed all security audits with 100% compliance • Optimized high-load database queries, cutting response times by 50–70% 🤝 I’m Open To: • Rapid MVP development to validate business ideas and go to market faster • API design development • Python full stack developer roles and React frontend • AI/ML solutions for automation, analytics, and workflow efficiency • Legacy system modernization pyton developer to modern tech stacks You can find me as a python full stack developer or web developer or a php developer or a python web scraping developer 🚀 Time to move forward? Let’s connect to talk through: • Where your project stands today • What success looks like for you • How can I help you get there, as your Python developer partner

🔹 Stop hiring developers. Hire someone who understands your product. I help startups and SaaS companies build scalable backend systems, automation workflows, and data-driven platforms, the kind that don’t break after launch. If your product involves APIs, dashboards, large datasets, integrations, or AI features, I’ve probably built it before. What I Build Most Often • SaaS platforms (multi-tenant architecture) • Backend APIs (FastAPI, Django, Node.js/Express) • Integrations (OAuth, webhooks, third-party services, CRMs) • Automation & background workers • Analytics dashboards & admin panels (React / Next.js) • Data processing pipelines • Cloud deployments on AWS Why Clients Hire Me Many projects fail after MVP because the backend wasn’t designed for growth. I design for: 1. clean architecture 2. predictable scaling 3. maintainability 4. faster future features So you don’t need to rebuild in 6 months. Recent Work ✔ Built medical platform MVP (Node.js + React), production ready ✔ Designed military social platform infrastructure (Flask + AWS + Docker) ✔ Created organization-wide email compliance & analysis system (OAuth integrations) ✔ Built IoT monitoring platform with real-time device data ingestion ✔ Developed automation workflows & analytics dashboards Tech Stack 1. Backend Python (FastAPI, Django, Flask) Node.js (Express, NestJS) REST APIs, Webhooks, OAuth 2. Frontend React, Next.js, Vue Tailwind, Material UI 3. Data & Infrastructure PostgreSQL, Redis, MongoDB AWS, Docker, CI/CD Large dataset processing & reporting If you need someone who can own both the architecture and implementation, message me before hiring multiple developers.