☕ Java Backend Developer building production services with Spring Boot and PostgreSQL.
🌍 Based in Almaty, Kazakhstan.
- 💼 ~2 years of backend experience at INNLAB: Spring Boot services for an edtech reading app (1,000+ installs)
- ⚡ Cut a slow query's runtime by over 95% with indexing, and bug investigation time by 80% with custom exceptions, centralized error handling and logging
- 🤖 Built and launched PLN-KZT Exchange Bot: 100+ active users, 200+ processed requests, 99% uptime
- 🎓 Bachelor's in Computer Science (GPA 4.45 / 5.0), now pursuing a Master's in Information Technologies at Satbayev University
📚 Studied in courses: Apache Kafka • Kubernetes • Microservices (DDD, SAGA, Outbox, CQRS)
🟢 Live in Production
A peer-to-peer platform (Telegram bot) that matches people who need to exchange Polish złoty (PLN) and Kazakhstani tenge (KZT).
Results: 100+ active users • 200+ processed requests • 99% uptime
Highlights:
- Smart matching algorithm (95% accuracy) that ranks offers by amount, user rating, deal history and freshness
- Live rates from the National Bank of Kazakhstan API, with a fallback source and hourly caching
- Phone verification, rating system and deal history
- Rate limiting, scheduled cleanup of stale requests, 60+ unit and integration tests
Tech Stack: Java 17, Spring Boot 3, PostgreSQL, Flyway, Docker, Telegram Bot API, Railway
Bachelor's thesis • Angular + Spring Boot
Full-stack food ordering web app for a restaurant in Warsaw: menu catalog, search, cart, checkout with Stripe payments and order history.
Tech Stack: Angular 18, Spring Boot 3, Java 17, MySQL, Spring Security (OAuth2/OIDC, JWT), Stripe, Docker Compose, Nginx
Master's in Information Technologies – Satbayev University, Almaty 🇰🇿
Sep 2026 – Present
Bachelor's in Computer Science – Vistula University, Warsaw 🇵🇱
GPA: 4.45 / 5.0 · Oct 2021 – Jul 2025
- ✅ Spring Framework 5: Beginner to Guru
- ✅ Microservices: Clean Architecture, DDD, SAGA, Outbox & Kafka
- ✅ Full Stack: Angular & Java Spring Boot E-Commerce
Looking for Java backend developer roles.
Interested in: Backend development • Fintech • Distributed systems
Location: Almaty, Kazakhstan 🇰🇿 | Open to on-site, hybrid or remote