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Опыт работы

Java software engineer

с 11.2024 по наст. время (1 год 6 месяцев)

Built a high-performance crypto arbitrage system from scratch handling 20,000+ API requests/minute across 20+ CEX and DEX exchanges (Binance, Bybit, Gate, BitGet, Jupiter, SushiSwap). Migrated majority of exchanges to persistent WebSocket connections for real-time order book streaming. Built a real-time market analysis engine with multi-factor scoring (order flow, CVD, liquidations, funding rate) that auto-generates trade alerts with entry point, SL and TP. Monitors 20,000+ trading pairs simultaneously with spread data latency under 10 seconds.

Java software engineer

с 04.2021 по наст. время (5 лет)

Optimized SQL queries and application logic: rewrote critical queries achieving 3-5x speed improvement on average; reduced in-memory iteration cycles from 10M to 10K, cutting processing time by ~10x. Executed database migrations from external ATS systems for 10+ enterprise clients with zero data loss. Developed new product modules across the full recruitment lifecycle. Integrated external job board APIs (Djinni, LinkedIn, DOU, Work.ua, Rabota.ua). Built and maintained public API consumed by client companies. Set up Linux servers from scratch for enterprise clients. Implemented CI/CD pipelines. Acted as interim Team Lead in a team of 6 engineers.

Образование

Державний університет інформаційно-комунікаційних технологій

Інформаційні системи та технології, Київ
Высшее, с 2019 по 2025 (6 лет)

Знания и навыки

• Java
• Spring Boot
• Spring Framework
• PostgreSQL
• Hibernate
• Redis
• Elasticsearch
• WebSockets
• CI/CD
• JUnit
• Mockito
• Maven
• SQL
• Apache Kafka
• RabbitMQ
• MongoDB
• Swagger
• Flyway
• Spring Cloud
• REST
• REST API
• Docker
• Microservices
• Git
• Адміністрування ОС Linux

Знание языков

• Украинский — свободно
• Английский — средний