.NET Software Developer

Are you looking for a place where your code has a real impact on a scalable, high-traffic platform? Join our team as a Backend Software Developer and help us build robust, high-performance services that form the core of our innovative product. We utilize .NET Core in a modern Service-Oriented Architecture (SOA), focusing on clean code, efficiency, and full automation.

Responsibilities

• Implement scalable and highly performant backend services in C# using .NET Core, working closely with solution architects to translate SOA vision into production-ready code.
• Actively participate in Code Reviews, maintaining high code standards and striving for maximum performance, maintainability, and reliability of our systems.
• Work within Agile (Scrum) methodologies, contributing to sprint planning, retrospectives, and daily stand-ups, bringing forward innovative ideas and solutions.
• Stay up-to-date with the latest technologies in the .NET ecosystem (ASP.NET Core Web API, NuGet packages) and proactively implement new tools and practices to enhance our product and processes.

Qualifications

• Min. 2 years of solid professional experience in software development, with a strong focus on backend technologies.
• Proficient in C# and .NET Core (developing Web Services and Windows Services).
• Hands‑on experience with ASP.NET Core Web API, Dependency Injection, and Unit Testing using frameworks like XUnit / NUnit (and related tools such as MOQ, NSubstitute).
• Professional experience with SQL at an application developer level.
• Solid experience using Git for version control and collaborative development.
• Strong verbal and written communication skills in English and Polish.
• Completed higher technical education or similar qualification in a related field.

Optional

• Experience with messaging systems or message brokers (e.g., ActiveMQ).
• Familiarity with .NET libraries such as Serilog, Dapper, Newtonsoft Json, Autofac, Polly, and Refit.
• Experience working on large‑scale, multi‑user systems with High Availability, High Concurrency, and High Load requirements.
• Experience with deployment tools like IIS, Kestrel, and Kubernetes (K8).
• Familiarity with Jira, Confluence, and CI/CD tools, preferably Azure DevOps.

Benefits

• Sports and integration events
• Work‑life balance
• Healthy snacks, fruits and vegetables
• Yoga and fitness sessions at the office
• Carpooling
• Integration Retreat 2025
• Integration Retreat 2024
• Active Day Health Initiative
• Edu4You
• J‑Labs Race
• Movember
• Pink October
• Family Picnic
• Poland Business Run
• Runmageddon
• World Cleanup Day
• Noble Gift
• Merry Christmas

Check us out

From yoga to picnics — your comfort and a great atmosphere are key.

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