About the role

  • Design, build, and maintain web applications and RESTful APIs using C#, .NET Framework, JavaScript, and SQL Server;
  • Collaborate closely with product managers, QA engineers, and developers to translate business needs into reliable, scalable solutions;
  • Write clean, testable, and maintainable code aligned with modern development practices;
  • Implement efficient data access using Entity Framework and optimize queries, stored procedures, and data models;
  • Troubleshoot and resolve application issues, including performance bottlenecks and system bugs;
  • Participate in code reviews, mentor peers, and contribute to a culture of continuous improvement;
  • Work in an agile environment, proactively driving the quality and evolution of business-critical systems.

Requirements

  • 6+ years of experience in full-stack development using .NET technologies, SQL Server, and JavaScript;
  • Proven expertise with C# and .NET Framework for building modern web applications and services;
  • Strong proficiency in Microsoft SQL Server and understanding of query optimization and database design;
  • Experience with Entity Framework for data access and ORM;
  • Familiarity with Git or similar version control systems and agile methodologies;
  • Strong problem-solving mindset and a commitment to clean, maintainable architecture.

Benefits

  • Supportive relationships, built on transparency and a flat structure, in a diverse and multinational team;
  • Office in the center of historical Kraków, where your dog is always welcome;
  • Flexibility when it comes to working from the office or home;
  • Perks include Multikafeteria, Group Life Generali insurance, Signal Iduna, Multisport, language lessons 1:1;
  • Sport and other events, including weekly running, squash, and team lunches on the house;
  • Free tea, coffee, and all-you-can-eat fruits and nuts in the office.

Job title

Senior Full Stack .NET Developer

Job type

Experience level

Senior

Salary

PLN 130 - PLN 140 per hour

Degree requirement

Bachelor's Degree

Location requirements

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