Senior .NET Engineer

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.

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)

Benefits

With us you can:

• Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
• Receive the necessary equipment to perform your work tasks
• Change projects and technology stacks within EPAM
• Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
• Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
• Participate in volunteer, charity programs and communities (both technical and interest-based)

We focus on your professional growth:

• You can plan your individual career path together with your manager
• Receive regular feedback from colleagues
• Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
• Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
• Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
• Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
• Study at EPAM Solution Architecture School with the instructors who are practicing architects
• Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
• Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)

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