Федір

FEDIR RUDIACHENKO
SENIOR SOFTWARE ENGINEER

CONTACT PROFILE
Senior Java Software Engineer with ~6 years of commercial experience
[відкрити контакти](див. вище в блоці «контактна інформація») building and evolving backend systems in enterprise and product-oriented
environments. Core expertise: Java (8-21), Spring Boot, SQL, microservices,
[відкрити контакти](див. вище в блоці «контактна інформація»)
AWS, event-driven integration, and production ownership.
telegram: @im_fedir Business-first mindset: I build domain expertise to understand the product,
end-user pain points, and business drivers, and translate that into reliable
TECH STACK delivery, stable operations, and measurable system improvements.
Actively involved in production incidents: triage, RCA, safe changes, and
Java 8-25 preventive follow-ups with QA/SRE.
Spring Boot (MVC, Data, Security, etc.)
Microservices WORK EXPERIENCE & ACHIEVEMENTS
AWS (ECS, S3, Lambda, SQS/SNS,
Epam, EVRI 2024 - PRESENT
CloudWatch, CloudFormation etc)
Own delivery outcomes end-to-end: clarify requirements, make trade-offs
RabbitMQ
explicit, manage risks, and land changes safely in production.
Kafka Own production deployments and release, ensuring rollout readiness, smoke
Docker checks, verification, and rollback awareness.
CI/CD (Jenkins, Concourse) Handle production incidents: triage, RCA, QA/SRE coordination, and preventive
Cassandra follow-ups to reduce recurrence and operational overhead.
SQL Build and apply domain understanding to delivery: validate product flows and
Testing (JUnit, Mockito, JaCoCo) edge cases with stakeholders to reduce rework and protect end-user
Observability mindset (logs, metrics, experience.
alerts) Improve operational readiness by strengthening diagnostics (logs/metrics) to
Security remediation speed up troubleshooting and recovery.
Performance tuning Build complex microservices from scratch: caching, RabbitMQ-based
AI-assisted development: integration, and service-owned infrastructure (Docker, CloudFormation,
Claude Code, GitHub Copilot, Jenkins).
OpenAI Codex Drive engineering quality through code reviews and mentoring: raise
standards and help teammates debug complex issues.
SKILLS DEVELOPMENT
Epam, LSEG 2022 - 2024
Anthropic Claude AI Certified Delivered Java/Spring backend features across the full SDLC: design,
Architect - Foundations implementation, testing, and production support.
Microsoft Certified: Azure Improved performance and reliability via refactoring bottlenecks and

Fundamentals (AZ-900) optimizing SQL/data access patterns: +~30% throughput, -~15% load times,
+~50% retrieval efficiency.
English for virtual communications
Strengthened code quality and regression safety through improved test
LANGUAGES practices and disciplined code reviews.

Ukrainian: Native/Fluent Epam, Thomson Reuters 2020 - 2022
Russian: Native/Fluent Implemented and evolved core Java backend functionality with focus on
English: Upper-Intermediate (B2) correctness, maintainability, and production stability.
Investigated 10,000+ exceptions and edge cases, reducing production errors
EDUCATION
by ~40% through long-term fixes and improved robustness.

Bachelor's degree, Increased unit test coverage to 95%, reducing bugs by ~25%, and maintained
technical documentation to support delivery, troubleshooting, and
Kyiv-Mohyla Academy
onboarding.
Software Engineering, Mate Academy