Lead .NET Developer with AWS expertise (EPAM SISTEMOS, UAB)
Darbdavys: EPAM SISTEMOS, UAB
Miestas: Kaunas
Paskelbta: 2026-10-18
💶 4600 - 6500 €/mėn. Prieš mokesčius · visa darbo diena · nuotolinis darbas: hibridinis · paskelbta 2026-10-01
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Job description:
We are seeking a Lead .NET Developer with strong AWS expertise to drive the modernization of legacy applications into cloud-native, high-performance solutions. In this role, you will leverage AI-powered tools and AWS best practices to design scalable microservices, migrate legacy systems and ensure seamless database compatibility, while collaborating across teams to deliver robust and maintainable software.
_This position offers hybrid setup with the flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas._
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 activities
Apply AWS Well-Architected Framework principles across security, reliability, performance efficiency and operational excellence
Document key findings, migration strategies, code conversion patterns and technical validation results for long-term maintainability and knowledge transfer
Requirements:
5+ years of expert-level proficiency in C# / .NET Core and advanced experience with .NET Framework
Advanced expertise in AWS native development
Background in microservices architecture
Proven skills in .NET Legacy (Windows) to .NET Core (Linux) modernization
Advanced proficiency in SQL Server, PostgreSQL and Amazon Aurora PostgreSQL
Expertise in stored procedure migration (T-SQL 162 PL/pgSQL)
Competency in unit and performance testing
English communication skills with overlap with the US EST time zone
Nice to have
Familiarity with Kiro and Amazon Transform
Knowledge of AWS DMS / SCT
Understanding of Docker and containerization on AWS, including Amazon ECS / EKS
Skills in CI/CD pipelines (GitHub Actions, CodePipeline)
Company offers:
Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
Professional Growth: Exceptional support for career development with comprehensive…
We are seeking a Lead .NET Developer with strong AWS expertise to drive the modernization of legacy applications into cloud-native, high-performance solutions. In this role, you will leverage AI-powered tools and AWS best practices to design scalable microservices, migrate legacy systems and ensure seamless database compatibility, while collaborating across teams to deliver robust and maintainable software.
_This position offers hybrid setup with the flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas._
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 activities
Apply AWS Well-Architected Framework principles across security, reliability, performance efficiency and operational excellence
Document key findings, migration strategies, code conversion patterns and technical validation results for long-term maintainability and knowledge transfer
Requirements:
5+ years of expert-level proficiency in C# / .NET Core and advanced experience with .NET Framework
Advanced expertise in AWS native development
Background in microservices architecture
Proven skills in .NET Legacy (Windows) to .NET Core (Linux) modernization
Advanced proficiency in SQL Server, PostgreSQL and Amazon Aurora PostgreSQL
Expertise in stored procedure migration (T-SQL 162 PL/pgSQL)
Competency in unit and performance testing
English communication skills with overlap with the US EST time zone
Nice to have
Familiarity with Kiro and Amazon Transform
Knowledge of AWS DMS / SCT
Understanding of Docker and containerization on AWS, including Amazon ECS / EKS
Skills in CI/CD pipelines (GitHub Actions, CodePipeline)
Company offers:
Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
Professional Growth: Exceptional support for career development with comprehensive…