C# Developer – Application, API

Role Overview

• Develop REST API powering a new web frontend
• Implement and maintain application and server logic
• Work on cross-platform backend services
• Build and maintain the WPF desktop client

Requirements

• 3+ years of commercial software development experience in a large-scale software project
• Strong knowledge of C# and the .NET platform
• Solid understanding of data structures, algorithms, and relational databases
• Command of software design and development principles
• Architectural and user-focused thinking
• Confidence in working alongside AI coding assistants
• Commitment to unit testing
• University degree in a technical field or equivalent industry experience
• English sufficient to work effectively with an international team

Tech Stack

• WPF
• .NET

Benefits

• 26 paid days off annually, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
• Paid parental, maternity, and paternity leave
• Fully covered family medical plan, dental, rehab, and vaccinations
• Life, critical illness, and disability insurance
• Employer pension contribution via PPK
• Monthly Edenred allowance of 450 PLN for meals
• MultiSport card fully covered by Veeam, giving access to sports facilities nationwide
• Up to 12 free therapy sessions annually, plus legal and financial advice
• Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning