Oleksii

Full-Stack Developer

Вік:
28 років
Місто проживання:
Київ
Готовий працювати:
Дистанційно

Контактна інформація

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Досвід роботи

Full-Stack Developer

з 02.2025 по 01.2026 (1 рік)
BlazingByte (outstaff for FunExtreme Technologies), Дистанційно (IT)

• Designed and implemented backend and frontend microservices using .NET and Angular/React in a distributed architecture.
• Delivered production-ready UI features including authentication flows, form validation, and dynamic user interactions.
• Implemented user registration and login pages, integrating them with backend authentication services.
• Improved UI/UX of existing applications by redesigning components and adding new interface elements.
• Implemented multi-language UI support, improving accessibility for international users.
• Introduced full unit and integration test coverage for an existing microservice, increasing system reliability and maintainability.
• Designed and implemented SQL Server stored procedures and database schema changes.
• Refactored data access layer (Entity Framework → Dapper), significantly improving query performance and reducing overhead.

Key Achievements:
• Implemented OAuth 2.0 authentication (Google, Facebook), enabling seamless social login and improving user onboarding experience.
• Migrated backend services from NestJS to .NET, improving performance and unifying the technology stack.

Full stack developer

з 12.2022 по 02.2025 (2 роки 3 місяці)
Diebold-Nixdorf, Дистанційно (IT)

• Developed and delivered full-stack features using .NET and Angular in a microservices-based architecture.
• Designed and maintained backend services with asynchronous communication via RabbitMQ.
• Delivered features end-to-end: from requirements analysis to deployment support.
• Wrote unit and integration tests to ensure long-term stability and maintainability.
• Collaborated with cross-functional teams across multiple services and products.
• Diagnosed and resolved critical production issues for enterprise clients, minimizing downtime and ensuring SLA compliance.

Key Achievements:
• Selected for a specialized rapid-response team handling high-priority production incidents under tight deadlines and limited system visibility.

Освіта

National Aviation University

System Engineering, Київ
Вища, з 2015 по 2019 (4 роки)

Bachelor of System Engineering

Знання і навички

  • ASP.NET Core
  • .NET Framework
  • ASP.NET MVC
  • SQL
  • MySQL
  • JavaScript
  • CSS
  • Git
  • TypeScript
  • GitHub
  • .net
  • Angular
  • AngularJS
  • Microservices
  • Docker
  • Jenkins
  • HTML
  • SASS
  • PostgreSQL

Знання мов

  • Англійська — просунутий
  • Українська — вільно

Додаткова інформація

Professional Summary
Full-Stack .NET Developer with 3+ years of experience building scalable web applications and high-load microservices using .NET and Angular. Strong focus on performance optimization (Dapper, async messaging), clean architecture, and end-to-end feature delivery in distributed systems. Experienced in improving system reliability through testing, refactoring, and production issue resolution.

Technical Skills
Languages: C#, SQL, TypeScript, JavaScript
Frameworks: .NET 6+, ASP.NET Core, Web API, Entity Framework Core, Dapper
Frontend: Angular (strong), React (basic)
Databases: SQL Server, PostgreSQL
Architecture: Microservices, REST APIs, CQRS, SOLID, OOP
Messaging: RabbitMQ
Testing: xUnit, NUnit, Moq
Tools: Git, Docker, Jenkins, Postman, Mockoon, Visual Studio, VS Code

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