Lead .NET Engineer

New

Opportunity to work remotely within Poland, US ESTFull-TimeLead

Salary not disclosed

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Job Details

5+ years of experience in software development with proven leadership background
Expertise in C# / .NET Core and advanced proficiency in .NET Framework
Advanced skills in AWS native development and microservices architecture
Background in .NET legacy (Windows) to .NET Core (Linux) modernization
Proficiency in SQL Server, PostgreSQL and Amazon Aurora PostgreSQL
Competency in stored procedure migration (T-SQL → PL/pgSQL)
Knowledge of unit and performance testing
Ability to overlap with the US EST time zone
English communication skills at B2 level or higher

Use 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 with .NET Core and a microservices architecture
Migrate and refactor legacy .NET Framework (Windows) applications to .NET Core (Linux), with functional parity and improved performance
Modify and optimize application code and stored procedures for compatibility with PostgreSQL / Aurora PostgreSQL, in line with AWS development standards
Implement unit tests and performance tests for application stability, responsiveness and production readiness
Partner with database engineers for seamless integration between application code and PostgreSQL; work 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

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