.NET Software Engineer

Intro: we are looking for an experienced .NET Developer to join our team and contribute to the development and evolution of large-scale POS and loyalty systems used in pharmacy retail operations.

The challenge:
In this role, you will work on maintaining and improving existing systems, implementing new functionality, and refactoring legacy components to improve performance, reliability, and maintainability.

The team: you’ll join the team of: .NET Engineers, Staff Engineer, Quality Engineer, Product Owners and Business Analysts. You’ll work closely with every one of them.

What you will do:

• Develop and maintain large-scale POS and loyalty systems used daily in hundreds of pharmacy locations.
  
• Integrate with national e-health (ESPBI) and health insurance (TLK) systems.
  
• Participate in designing the new modular POS architecture.
  
• Work across 15+ interconnected services — POS, loyalty, e-shop, scheduled jobs, monitoring.
  
• Refactor and optimize existing solutions to improve performance and maintainability.
  
• Implement new features and enhancements across backend services and desktop application components.
  
• Integrate internal and external systems using SOAP and REST APIs.
  
• Contribute to code quality through code reviews, testing, and development best practices.

• 3+ years of programming experience with C# .NET and .NET Core.
  
• Independently delivers features end-to-end — design, implementation, testing, rollout — without constant supervision (Delivers Independently).
  
• Strong OOP skills and knowledge of modern principles (SOLID, DRY); able to apply and explain them (Delivers Independently).
  
• Experience with REST and SOAP integrations.
  
• Good knowledge of Microsoft SQL Server and T-SQL.
  
• Unit and Integration testing — covering happy paths and edge cases (Delivers Independently).
  
• Identifies ambiguities and raises risks before starting work (Owns Feature).
  
• Experience with GIT (branching, PRs, code reviews).
  
• Experience working with JIRA.
  
• Ability to work independently and in a team.
  
• Good English and Lithuanian language skills.
  

Additional Requirements:

• Experience developing WPF applications using the MVVM pattern.
  
• Experience with web frontend development: HTML, CSS, JavaScript.
  
• Understanding of Agile/Scrum methodologies and participation in meetings (Clarifies & Contributes).
  
• Basic understanding of CI/CD processes.
  
• Seeks domain knowledge — able to connect technical tasks with user value (Understands Direction).
  
• Proactively shares findings with the team and seeks specific feedback (Grows Independently).
  
• Experience or interest in POS systems — an advantage.

3500-5000 €/mon. gross