Andrii Polezhaiev
Delivering optimized trading systems with Java, Spring Boot, and full-cycle development.
Ilmajoki, FI
Full time/Project based/Part time
Remote
Java Backend Engineer with 3+ years of hands-on experience in server-side architecture and full-cycle application development, focusing on trading systems...
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My Career Journey
1/3
Quick Suite Trading
Java Backend Engineer
Apr 2025 - Present | 1y 5m
Developed core trading modules, optimized server-side performance, and mentored a developer. Engineered a service layer supporting RTL charts, attracting 3.8% more users from the Middle East. Designed...
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AvtoDiva
Java Full-Stack Engineer
May 2024 - Mar 2025 | 10m
Developed a web ERP, reducing data generation time for 14-day slots from ~24 to ~3 seconds. Configured CI/CD pipelines and implemented RBAC. Eliminated redundant user input, reducing manual workflow. Developed...
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NorseYacht
Java Backend Developer
Sep 2023 - Apr 2024 | 7m
Developed and supported production environment, optimizing database performance and reducing response time from 3 seconds to 0.63 seconds. Resolved CORS issues and configured Spring Cloud Config Server...
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Patience
Analytical Thinking
Action Oriented
Problem Solving
Teaching
Collaboration
Adaptability
Self-Confidence
Detail Oriented
Learning Agility
Most proud of (2/3)
1st
Diagnosed and fixed a critical production bug by analyzing module structure and delivering a rapid, robust patch.
2nd
Engineered low-latency order execution workflows and optimized core trading modules for a high-performance Java backend.
Career Highlights
1/2
Java Backend Engineer, Quick Suite Trading (2025–present)
Engineered low‑latency order execution workflow
USA, 2025
In 2025 as a Java Backend Engineer at Quick Suite Trading I rebuilt core trading modules to improve...
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Java Backend Engineer — rapid debugging & mentoring
Fixed a critical production bug and coached a teammate to completion
USA, 2025
Recently as a Java Backend Engineer I caught and fixed a critical production bug by tracing the...
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