OpenToWork

#резюме #CV #Resume #OpenToWork #FullStack #TypeScript #javascript #NodeJS #NestJS #Python #React #Vue #SeniorSoftwareEngineer #postgresql #remote #fulltime Позиция: Senior Full-Stack Developer | Tech Lead | Software Architect | AI & ML Engineer Формат работы: Remote (Global), Hybrid, On-site (Tbilisi, Georgia) Занятость: полная Ожидания по зарплате: от 5000€ Контакты: Telegram: @DrewDru Linkedin: https://www.linkedin.com/in/andrew-ovsyannikov-b97479169/ Github: https://github.com/drewdru Website: https://career.drewdru.com/en/cv Обо мне: Full-Stack Developer with over 10 years of software development experience , specializing in system architecture, scalable backend services, high-performance applications, and full-stack product development. Experienced in technical leadership, event-driven architectures, cloud infrastructure, and AI/LLM integration, including RAG systems and retrieval quality optimization. Key achievements: - Designed and developed a multi-tenant blogging platform layer3.press with Nostr-based authentication, publishing, subscriptions, and monetization using Stripe Connect. - Developed event-driven services and automated AI-powered content generation, processing, and publishing pipelines. - Designed and implemented AI Q&A chat system with RAG, REST APIs, Server-Sent Events (SSE), OCR, speech transcription, and integrations with enterprise knowledge bases. Improved retrieval quality through document preprocessing, hybrid search, query optimization, Cohere re-ranking, RAGAS, and Optuna. - Migrated the Tumeke project from Python to NestJS, optimized SQL queries. Improved response times by up to 30x. - Led full-stack development of fintech, e-commerce, payment, geospatial, and SaaS platforms. Integrated third-party APIs and payment providers. - Led development teams, contributed to architectural decisions, conducted code reviews, and built maintainable, scalable software systems. Programming languages: TypeScript, JavaScript, Python, Go Frontend: React, Next.js, Vue, Nuxt, Angular Backend: Node.js, NestJS, Express, ElysiaJS, FastAPI, Django/DRF, Flask Databases & Messaging: PostgreSQL, MongoDB, MySQL, Redis, RabbitMQ, Kafka, DynamoDB Cloud & DevOps: AWS, Google Cloud, Azure, Docker, Kubernetes, Nginx, Linux AI/ML: LLMs, RAG, LangChain, Langflow, LlamaIndex, ChromaDB, RAGAS, Optuna, Cohere Other: REST APIs, WebSockets, WebRTC, event-driven architecture, microservices, system design Languages : Russian (Native), English (B2)