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Java · Web Programming

Slovakia Bratislava, Slovakia
166

deliver:Backend / API: Spring Boot / FastAPI, REST APIs, third-party integrations, data validation, API docs (Swagger/OpenAPI)Databases: PostgreSQL/MySQL — schema design, migrations, indexing, query optimization for real read/write patternsData pipelines / ingestion: multi-source collectors, batching/concurrency, retries/backoff, per-source failure isolation, resilient processingAutomation & bot s: Telegram /Discord bot


AI & Machine Learning · Web Programming

Spain El Puerto de Santa Mara, Spain
171

responses, optimising prompts, RLHF/SFT on projects (NDA), which gives an advantage for the precise integration/adaptation and optimisation of AI generation in real commercial and production processes. Tools and stack: n8n, ManyChat, Voiceflow; API/Webhooks; Node.js/TypeScript if logic needs to be added, PostgreSQL, Docker; if necessary - Weaviate/Qdrant+embedding and RAG + ‘memory’ Frontend (currently): React, Refine, TypeScript; Python



Python · Web Programming

Ukraine Lutsk, Ukraine
170

scalable APIs (both monolithic and microservices), and developing complex chatbots using Python . How I can help your business: - Web Development: Designing and maintaining robust systems using Django and FastAPI. - Data Scraping: Automating data collection of any complexity using BeautifulSoup, Selenium, and Scrapy. - Automations & Bot s: Creating intelligent chatbots and integrating APIs such as Telegram


Java · Web Programming

Ukraine Kharkiv, Ukraine
170

My core expertise lies in Java (Spring Boot) on the backend and React / React Native / Next.js on the frontend. I create clean, reliable solutions — from backend APIs and automation scripts to modern, responsive interfaces. I’ve also worked extensively with Python , TypeScript, and workflow automation tools like n8n, Google Apps Script, and Telegram bot s. My skills: Backend: Java, Spring Boot, Node.js, Python