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I build high-performance backend systems in Go that handle thousands of requests per second. I am a Senior Golang Engineer with 10+ years of experience designing and scaling distributed systems for companies like Uber, Yandex, and Wildberries. My expertise: • High-load Go microservices and backend architecture • Distributed systems and event-driven architectures (Kafka, NATS) • PostgreSQL performance optimization (query tuning, indexing, partitioning, sharding) • Kubernetes, Docker, CI/CD, and cloud infrastructure • gRPC, REST APIs, and scalable SaaS platforms • System migrations from monoliths to modern microservice architectures Selected achievements: • Designed and optimized systems handling 8,000–14,000 RPS • Reduced API latency by 20–50% through architecture and database optimizations • Improved database performance by 3–10x through query and indexing optimization • Built event-driven pipelines processing millions of messages per day • Led engineering teams of 4–10 developers and delivered production systems I help companies build backend platforms that are scalable, reliable, and easy to maintain. Whether you need a new Go service, architecture improvements, performance optimization, or help scaling an existing system — I can provide both strong engineering execution and architectural expertise.

I architect and build high-throughput backend systems in Golang -- from REST/gRPC microservices to event-driven data pipelines that scale. With 10+ years of commercial experience, I have delivered 26+ projects on Upwork ($100K+ earned, 2,700+ hours), including long-term engagements of 800+ hours on production systems. My core expertise is in Go-based microservices, REST/GraphQL/gRPC APIs, PostgreSQL, and clean modular architecture with strong testing culture. What I deliver: - Backend: Golang (goroutines, channels, fast HTTP), RESTful & gRPC APIs, GraphQL, OpenAPI/Swagger - Databases: PostgreSQL (query optimization, indexing), MongoDB, Redis - Infrastructure: Docker, GitLab CI/CD, GCP, RabbitMQ - Architecture: Microservices, event-driven systems, clean code with Unit Testing - Also comfortable with Vue.js / TypeScript frontend when the project requires it Selected achievements: - Delivered a healthcare application backend ($7,507, 215 hours) with 5.0 rating -- enhanced APIs and optimized PostgreSQL queries - 839+ hours on a long-term production backend system with sustained engagement ($25,175 total) - Built Golang SDKs for 3rd-party API integrations and site analysis tools - Maintainer at Reviewpad -- an open-source Golang project automating code review workflows on GitHub Tech stack: Golang . PostgreSQL . Redis . Docker . REST/GraphQL/gRPC . Microservices I am available for long-term contracts (30+ hrs/week) and bring a senior-level, reliable approach to every project. Let's discuss your needs.

I build backend systems in Go and PHP that handle payments, automate business processes, and integrate AI — with 14 years of production experience across fintech, ERP, and high-load services. Core expertise: • Go & PHP backend development (microservices, gRPC, REST APIs, Laravel) • API integration: payment systems, third-party services, webhooks • PostgreSQL, MySQL, Redis, RabbitMQ, Apache Kafka • AI/LLM integration: OpenAI API, ChatGPT, RAG pipelines, AI automation • Workflow automation: Make com, custom bots, scheduling pipelines • Docker, Kubernetes, CI/CD (GitLab CI/CD, Jenkins) • AWS, monitoring (Grafana, Prometheus), logging (ELK) Domain experience: • Fintech & payment integrations • ERP systems and business process automation • Data scraping & automation pipelines • Social media & CRM automation (LinkedIn, Telegram) • High-load systems & microservice architecture I deliver reliable, production-ready systems — from architecture to deployment and monitoring.

Available today [ 13.07 ] $𝟏𝟎𝟎𝗠+ 𝗶𝗻 𝗰𝗹𝗶𝗲𝗻𝘁 𝗿𝗲𝘃𝗲𝗻𝘂𝗲. 𝟔𝟎+ 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 𝘀𝗵𝗶𝗽𝗽𝗲𝗱. 𝟏𝟎+ 𝘆𝗲𝗮𝗿𝘀 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿. 💡Tell me about your project. I'll reply fast. If it's a fit, we'll jump on a free call - you'll get a clear plan and roadmap, whether we work together or not. I'm a Full Stack Developer who builds SaaS platforms and AI-powered web apps. As a Full Stack Developer, I own everything from database to deployment. Python is my go-to language for backend services, AI agents, and automation. Every project I deliver as a Full Stack Developer is production-ready, not a demo. 𝗪𝗵𝗮𝘁 𝗜 𝗯𝘂𝗶𝗹𝗱 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: 🚩𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 - 𝗳𝗿𝗼𝗺 𝗠𝗩𝗣 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲-𝘂𝗽. As a Full Stack Developer, I've built marketplaces, booking systems, multi-tenant dashboards, and billing portals. Every SaaS project I deliver as a Full Stack Developer is built with Python for the backend and React for the frontend. My work as a Full Stack Developer includes: - Ticket Fairy ($100M+ in transactions), - Keyword (2,000+ clients, 50TB data), - Zerobroker ($6.5M raised), - EditMentor (8,000+ users), - Bidazzle (Stripe subscriptions), - AllOfficials (P2P marketplace). Each platform built with Python, Node.js, Laravel, PostgreSQL, and Stripe. As a Full Stack Developer, I pick the right tool for the job - Python for AI workloads, Node.js for real-time features, Laravel for business logic. 🚩𝗔𝗜 𝗮𝗴𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 - 𝗻𝗼𝘁 𝗱𝗲𝗺𝗼𝘀, 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻. As a Full Stack Developer with deep Python expertise, I build AI that does real work. Python powers every AI agent I build: - Arnata: 200,000+ tasks processed by autonomous AI agents built with Python and LangChain. Hiresense: AI scoring engine with Python backend and structured outputs. - Datarova: 1TB+ PostgreSQL with Python data pipelines. As a Full Stack Developer, I use Python for LangChain, LangGraph, OpenAI, Claude, RAG, tool calling, and human-in-the-loop workflows. Every AI project I deliver as a Full Stack Developer logs every decision and never hallucinates. 🚩 𝗘𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗰𝗼𝗱𝗲𝗯𝗮𝘀𝗲𝘀 - 𝗮𝘂𝗱𝗶𝘁, 𝗳𝗶𝘅, 𝘀𝗰𝗮𝗹𝗲. As a Full Stack Developer, I step into live products and make them better. Python helps me refactor and optimize: - Keyword: rebuilt the data pipeline without touching auth, zero downtime. - Ticket Fairy: joined mid-flight as a Full Stack Developer, scaled to $100M+. - Zerobroker: took over as a Full Stack Developer, stabilized, shipped. - Scraper: Python and Node.js, proxy rotation at scale. 🚩 𝗦𝘁𝗮𝗰𝗸 𝗜 𝘂𝘀𝗲 𝗱𝗮𝗶𝗹𝘆 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: React, Next.js, Vue.js, Node.js, Python, PHP/Laravel, PostgreSQL, Supabase, AWS, Stripe, LangChain, OpenAI, Claude, Docker, REST APIs, GraphQL, Redis, MongoDB, Tailwind CSS, TypeScript. 🚩𝗗𝗼𝗺𝗮𝗶𝗻𝘀 𝗜 𝗯𝘂𝗶𝗹𝗱 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: SaaS platforms, marketplaces, booking systems, logistics software, fintech, EdTech, HR tech, SEO tools, ad tech, e-commerce, legal tech, aviation. Every product built with Python for the backend and a Full Stack Developer mindset - clean architecture, scalable from day one. 🚩 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗜 𝗯𝗿𝗶𝗻𝗴 𝗮𝘀 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗣𝘆𝘁𝗵𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿: Full Stack Developer, Python Developer, Full Stack Python Developer, SaaS Developer, AI Developer, React, Next.js, Vue.js, Node.js, Python, PHP, Laravel, FastAPI, PostgreSQL, Supabase, MySQL, MongoDB, Redis, AWS, Stripe, LangChain, LangGraph, OpenAI, Claude, Docker, REST APIs, GraphQL, TypeScript, Tailwind CSS, Git, CI/CD. 🚩 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗴𝗲𝘁 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗮 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗹𝗶𝗸𝗲 𝗺𝗲: - Someone who asks "why" before "how" - Clean, maintainable code - not spaghetti - Fixed-price milestones or hourly - whatever fits your budget - 90% client retention over 10+ years If you need a Full Stack Developer or Python Developer who can own your project end-to-end, let's talk.

Fifteen years of experience in software development, including making critical architectural decisions and implementing complex systems. Proficient in software development, with a deep understanding of architectural principles and system design. Strong experience in building web and micro services using Golang, Kubernetes and Docker. Experience in using AWS ecosystem and services like EKS, Lambda, API Gateway, managed RDBMS, Postgres, ScyllaDB and etc. for building highly scalable and reliable backends. Knowledge of Android application and UI components, open source software, design techniques and security standards. My expertise fields: • Golang • Kubernetes, Docker • PostgreSQL, MongoDB, ScyllaDB • Redis • RabbitMQ • Android SDK/NDK • RxJava, Retrofit, Butter Knife • Firebase Messaging Service Looking forward to hearing from you soon.

I have 10+ years of software development experience. I am fluent in several languages, big fan of DDD(domain-driven design). I write clean, easy to read, and maintain code. I am passionate about development, problem-solving, and technology. I worked for startups on a wide range of tasks from gathering requirements to implementing CI/CD pipeline. Also, I worked for small businesses to optimize/automate business processes. I am a Google Certified Professional Cloud Developer, and I am able to develop cloud-native solutions. Feel free to contact me)) TECHNICAL SKILLS: * Golang, Python * Kubernetes, Docker, Containerd, Google Cloud Platform * Postgresql, MySQL, sqlalchemy, Redis * Git, JIRA, Gitlab, Github * TDD, Object-Oriented Design, Continuous Integration/Continuous Delivery, Agile