Senior .NET Engineer (Backend)

TL;DR

Senior .NET Engineer (Backend): Modernizing a legacy application by migrating complex business logic to a clean, performant .NET architecture with an accent on database performance and TDD. Focus on designing robust data access layers, executing incremental migrations, and leveraging AI tools to assist in code analysis and documentation.

Location: Must be based in Poland (Remote)

Company

hirify.global is a global custom product engineering company that partners with multinational organizations and startups to solve complex business challenges.

What you will do

• Analyze existing stored procedures to document and translate business logic.
• Design clean, testable .NET data access interfaces and repositories.
• Write comprehensive unit and integration tests prior to implementation.
• Execute incremental data migration with parallel validation.
• Ensure performance parity between legacy systems and new implementations.

Requirements

• Location: Must be based in Poland.
• Strong experience with C#/.NET, specifically building data access layers and ORM implementations.
• Expertise in SQL Server/T-SQL and ability to deconstruct complex stored procedures.
• Proficiency with TDD and writing comprehensive test suites.
• Experience with Python for scripting and automation tasks.
• Familiarity with NoSQL patterns (MongoDB) and event-driven architectures (Kafka).

Nice to have

• Experience leveraging AI/LLM tools for code analysis and documentation generation.
• Familiarity with Java/Spring Boot enterprise patterns.

Culture & Benefits

• Full remote working flexibility.
• Access to internal meetups, conferences, workshops, and Udemy.
• Company-paid medical insurance and mental health support.
• Financial and legal consultation services.
• Opportunities for internal mobility and skill-based certification programs.