Контактна інформація

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Досвід роботи

Backend-Focused Full-Stack Developer

з 05.2025 по нині (1 рік 5 місяців)
Self-employed / Independent Projects, Дистанційно (IT)

Continued software development after relocating from Ukraine to Germany through small independent paid tasks, backend-focused portfolio projects and continued technical learning.

• Completed small paid development tasks using Node.js, TypeScript, REST APIs, React and Next.js, working through GitHub pull requests and code reviews; some changes were deployed to production.
• Built JobFlow CV Pipeline, a backend-first application for vacancy analysis and targeted CV generation using NestJS, TypeScript, PostgreSQL, Prisma, Docker, OpenAI API and Swagger/OpenAPI.
• Implemented modular backend architecture, structured AI workflows with human review, evidence validation, prompt versioning, artifact traceability and token/cost tracking.
• Continued developing Python/FastAPI backend skills through personal projects using PostgreSQL, SQLAlchemy, Pytest and GitHub Actions.
• Volunteered as an IT Technician at HEY, ALTER! Köln e.V., preparing donated laptops for school students.

Backend-Focused Full-Stack Developer

з 10.2021 по 04.2025 (3 роки 7 місяців)
EPAM, Київ (IT)

Worked on a large-scale multi-locale e-commerce platform for a major European retailer, primarily focusing on backend development while also contributing to BFF and frontend functionality.

• Developed and maintained production backend services using Node.js, TypeScript, Azure Functions and Durable Functions.
• Implemented serverless workflows for product data synchronization, scheduled processing and third-party integrations.
• Integrated CommerceTools, Amplience and ProductsUp, including product enrichment, data mapping, validation and batch processing.
• Investigated and resolved production issues using Azure Application Insights and KQL, including cross-service email and SMS notification failures.
• Updated existing GraphQL resolvers and contributed to React/Next.js frontend components when features required end-to-end changes.
• Wrote Jest unit tests and worked with Azure DevOps CI/CD, code reviews, QA engineers and cross-functional Agile teams.
• Contributed to Redis caching for frequently accessed navigation data, improving retrieval performance by more than 2×.

Node.js Developer (Intern)

з 07.2021 по 10.2021 (4 місяці)
CHI Software, Харків (IT)

Пройшов програму переходу на Node.js backend-розробку. Розробляв навчальні та командні backend-проєкти з використанням Node.js, Express і NestJS, працював із REST API, MongoDB, Docker та Kubernetes. Брав участь у розробці Viber-бота для керування хокейною командою та застосунку для продажу квитків із мікросервісною архітектурою.

PHP Developer

з 12.2016 по 06.2021 (4 роки 7 місяців)
IT Factor, Харків (IT)

Developed and supported a production financial accounting system for public-sector organizations.

• Implemented backend features and complex financial business logic using PHP, PostgreSQL and a custom in-house framework.
• Developed payroll, vacation payment, accounting, reporting, permissions and payment-related functionality based on regulatory and business requirements.
• Created PostgreSQL migration scripts for organization-specific databases, using transactions, test-database validation and rollback planning where possible.
• Implemented complex financial data migrations involving multiple related tables; many migrations needed to work across more than 900 organization-specific databases.
• Optimized PostgreSQL queries through indexing, query simplification, temporary tables and reduced data selection, achieving more than 2× improvement in selected read-heavy cases.
• Maintained and refactored legacy PHP code and contributed improvements to the custom backend framework.
• Investigated production issues, fixed bugs and participated in releases and production support.
• Worked closely with analysts to clarify accounting rules, calculation scenarios, edge cases and data-migration risks.

Освіта

Національний технічний університет «Харківський політехнічний інститут»

Інтегровані технології та прикладна хімія, інженер-технолог, Харків
Вища, з 1998 по 2003 (5 років)

Додаткова освіта та сертифікати

Node.js: Testing and Code Quality — LinkedIn Learning

2026

Знання і навички

• Працьовитість
• Node.js
• TypeScript
• JavaScript
• SQL
• React
• GitHub
• Git
• HTML
• CSS
• Python
• PostgreSQL

Знання мов

• Англійська — середній
• Німецька — початковий