Senior Software Engineer (C# .NET)

TL;DR

Senior Software Engineer (C# .NET): Developing and maintaining POS software solutions for global retail customers with an accent on C#/.NET development, API integration, and system reliability. Focus on building new features, researching emerging technologies, and resolving complex defects within a hybrid team environment.

Location: Hybrid work - 3 times per week in Katowice office

Salary: From 13,000 PLN gross per month

Company

A global leader in retail and banking technology, transforming how millions of people connect to commerce through innovative software and hardware solutions.

What you will do

• Develop and maintain POS software solutions for international retail clients.
• Collaborate with global teams to design and implement new features.
• Research and integrate new technologies into existing product stacks.
• Investigate, troubleshoot, and resolve software defects.
• Work with API platforms and ensure high-quality code standards.

Requirements

• At least 5 years of professional software development experience.
• Strong proficiency in C# and .NET Core or .NET Framework.
• Experience with frontend frameworks like Angular or React.
• Solid understanding of SQL, design patterns, and API platforms.
• Communicative English proficiency.
• Ability to work from the Katowice office 3 times per week.

Nice to have

• Experience with retail systems and domain knowledge.
• Knowledge of Docker, Kubernetes, or Azure cloud services.
• Familiarity with DevOps practices and test automation tools.
• Experience with API implementation platforms like KrakenD.

Culture & Benefits

• Flexible employment options including contract of employment or B2B.
• Comprehensive private medical care and life insurance.
• Access to over 8000 industry-recognized training programs.
• 26 days of paid holiday regardless of seniority.
• Multicultural team environment with an employee referral program.