boxtab
Java Backend Developer Middle
Middle Java Backend Developer | Fintech & High-Load
Java Developer with 3+ years of experience in backend development and a background in high-scale web applications.
Core Expertise:
- Stack: Java 17, Spring Boot 3, Hibernate, PostgreSQL, Redis, Kafka, and Docker.
- Experience: Developed and maintained 10+ microservices for a trading platform.
- Domain: Specialized in real-time trading logic, WebSocket integrations (Binance, dxFeed), and transaction management.
Focused on building resilient, high-performance systems. Looking for remote opportunities.
Experience: 3 years
Yearly salary: $42,000
Hourly rate: $25
Nationality: 🇺🇦 Ukraine
Residency: 🌏 Remote
Experience
Java Developer Middle
Axiomatika 2023 - 2026
Project: High-load trading platform (Trading Core). Architecture: Designed and implemented a microservices ecosystem (10+ services) from scratch using Java 17. Trading Logic: Developed order execution engines including Margin Call, Stop Loss, and Take Profit logic. Implemented an automated position liquidation algorithm (20% margin threshold) with real-time balance recalculation. Data Integration: Built resilient WebSocket clients for real-time integration with Binance, dxFeed, and TwelveData. Performance: Developed a high-frequency market data concentrator handling multiple provider streams with less than 2-second latency using custom WebSocket server implementation. Tech Stack: Java 17, Spring Boot 3, PostgreSQL, Redis, WebSocket, Docker.
Skills
api
docker
git
java
postgres
redis
english
russian