Senior .NET Engineer

TL;DR

Senior .NET Engineer (Backend): Modernizing legacy applications and migrating complex business logic with an accent on data access layers and SQL Server optimization. Focus on designing testable .NET interfaces, implementing unit/integration testing strategies, and utilizing AI-assisted migration workflows.

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 build impactful digital solutions.

What you will do

• Analyze existing stored procedures to document and map business logic.
• Design and implement clean, testable data access interfaces and repositories.
• Develop comprehensive unit and integration test suites before code implementation.
• Execute incremental migration strategies with parallel system validation.
• Ensure performance parity between legacy systems and new .NET services.

Requirements

• Location: Must be based in Poland
• Strong experience with C# and .NET for data access layers and ORM.
• Expertise in SQL Server and T-SQL for deconstructing complex procedures.
• Knowledge of NoSQL patterns using MongoDB for hybrid data solutions.
• Proven track record of applying TDD and writing robust test suites.
• Familiarity with Python, event-driven architectures (Kafka), and AI tools for code conversion.

Nice to have

• Experience with enterprise patterns such as Spring Boot.

Culture & Benefits

• Flexible full-remote working environment.
• Access to internal meetups, workshops, Udemy, and professional certifications.
• Medical insurance and mental health support.
• Opportunities for internal mobility across diverse technical domains.
• Collaborative "One Team" culture focused on innovation and growth.