Андрій

Profile

Middle .NET backend developer with 4+ years of commercial experience across
Healthcare and FinTech. Experienced in REST APIs, distributed-system
integrations, messaging, data migration, business logic, and legacy-code
refactoring. Contributed to project architecture, initial configuration, and delivery
of new backend functionality.

Experience

Space Crew Finance Technologies: .NET, MSSQL, MongoDB, RabbitMQ, REST,
Feb 2026 – Oct 2026 NUnit, Angular, Jira, Bitbucket, Claude
FinTech • Maintained and supported a microservices-based
architecture.

Andrii • Developed new features and implemented business
requirements.

Donchenko • Investigated and fixed bugs to ensure application stability.
• Wrote and maintained unit and integration tests.
Middle .NET Backend Developer • Refactored existing code to improve readability,
maintainability, and code quality.

Technical Skills Global Dev Group Technologies: .NET, REST API, RabbitMQ, MassTransit,
Sep 2024 – Feb 2025 FluentValidation, MailGun, TrueDialog, SignalR, PostgreSQL
Languages Mar 2025 – Dec 2025 • Contributed to project architecture and new backend
FinTech functionality.
C# · SQL · PL/SQL
• Integrated the Communication module with other project
.NET Platform services.
.NET Core 3.1 · .NET Framework 4 • Migrated data from the legacy system to the new system.
.NET 6 · .NET 8 • Implemented APR calculation for installment loans and
Backend & messaging refactored existing code.
REST API · RabbitMQ · MassTransit
SignalR · gRPC New Line Technologies Technologies: .NET, REST API, Auth0, RabbitMQ, SignalR,
Sep 2021 – Oct 2024 Redis, gRPC, Quartz
Data & infrastructure Healthcare • Contributed to project architecture and initial project
PostgreSQL · Redis · AWS S3 · configuration.
MSSQL · MongoDB • Implemented new backend functionality and maintained
Integrations & tools legacy code.
Auth0 · MailGun · TrueDialog
Firebase · Swagger · Quartz · Jira ·
Bitbucket · Claude Education
Testing & validation
NUnit · xUnit · FluentValidation Master’s degree Kharkiv National University of Radioelectronics
2025–2027 (expected) Computer Science — Project Management in IT
Frontend
Angular
Bachelor’s degree Kharkiv National University of Radioelectronics
2018–2022 Computer Science — Business Analytics
Languages

Ukrainian — Native
English — B2

MIDDLE .NET BACKEND DEVELOPER