Senior .NET Engineer

7 травня 2026

Senior .NET Engineer

Київ, Харків, Львів, Дніпро, Одеса, Вінниця, Івано-Франківськ, Хмельницький, Ужгород, Черкаси, Чернівці, віддалено

We are seeking a  Senior .NET Engineer to join an AI agentic modernization engagement leveraging Kiro and Amazon Transform. The role focuses on modernizing legacy .NET applications, migrating them to cloud-native architectures on AWS, and ensuring seamless integration with PostgreSQL databases. The position requires a comfortable overlap with the US EST time zone.

Please note that remote work is available only for candidates based in Ukraine.

Responsibilities

• Leverage Kiro and Amazon Transform to accelerate code analysis, refactoring, and migration tasks; validate and optimize tool-generated outputs
• Design and develop high-performance scalable applications using .NET Core with a microservices architecture
• Migrate and refactor legacy .NET Framework (Windows) applications to .NET Core (Linux), ensuring functional parity and improved performance
• Modify and optimize application code and stored procedures to ensure compatibility with PostgreSQL / Aurora PostgreSQL, following AWS development standards
• Implement unit tests and performance tests to ensure application stability, responsiveness, and production readiness
• Partner with database engineers to ensure seamless integration between application code and PostgreSQL
• Collaborate closely with AWS ProServe consultants on validation and optimization
• Apply AWS Well-Architected Framework principles across security, reliability, performance efficiency, and operational excellence
• Capture key findings, migration strategies, code conversion patterns, and technical validation results for long-term maintainability and knowledge transfer

Requirements

• 3+ years of experience in software engineering with expert-level proficiency in C# / .NET Core and advanced knowledge of .NET Framework
• Advanced expertise in AWS native development and microservices architecture
• Proven background in .NET Legacy (Windows) to .NET Core (Linux) modernization
• Advanced proficiency in SQL Server and PostgreSQL / Amazon Aurora PostgreSQL
• Skills in stored procedure migration (T-SQL → PL/pgSQL)
• Competency in unit and performance testing
• Strong English communication skills with availability to overlap with the US EST time zone

Nice to have

• Familiarity with Kiro and Amazon Transform
• Knowledge of AWS DMS / SCT
• Understanding of Docker, containerization on AWS, Amazon ECS / EKS
• Experience with CI/CD pipelines (GitHub Actions, CodePipeline)

What we offer

• Vacation and sick leave (including a sick leave without a medical certificate)
• A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
• Medical insurance for family members at corporate rates
• Company support during significant life events (childbirth or adoption, marriage, etc.)
• Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
• E-kids program — a free programming language training program for EPAMers’ children