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Senior.NET Developer (Azure)
  • Warsaw
Senior.NET Developer (Azure)
Warszawa, Warsaw, Masovian Voivodeship, Polska
B3 CONSULTING POLAND sp. z o.o.
19. 2. 2026
Informacje o stanowisku

technologies-expected :


  • .NET
  • Microsoft Azure
  • C#
  • CosmosDB
  • TypeScript
  • JavaScript

technologies-optional :


  • Git
  • Playwright
  • Selenium
  • Drupal

about-project :


  • Now we’re looking for a Senior .NET Developer who wants to go beyond writing code and actively shape cloud-based backend systems used in a global environment.
  • This is a long-term opportunity to join a US-based engineering team, working on core applications and continuously improving testing and quality standards.
  • If you enjoy designing solid backend services and care about automation, reliability, and clean architecture — this role is for you.
  • This is not a “ticket-only” role — you will have influence on architecture and quality.

responsibilities :


  • Design and develop high-performance backend services using C# and .NET.
  • Build and evolve cloud-native solutions in Azure, working with services such as App Services, AKS, Service Bus and CosmosDB.
  • Improve and extend automated testing frameworks to increase reliability and stability.
  • Implement and maintain test automation scripts.
  • Collaborate closely with frontend engineers to ensure seamless integration.
  • Participate in architecture discussions, code reviews and sprint ceremonies.
  • Contribute to continuous improvement of engineering standards and practices.

requirements-expected :


  • 5+ years of professional experience in C# / .NET development.
  • Hands-on experience with Azure cloud services and CosmosDB.
  • Experience working with TypeScript or JavaScript.
  • Strong understanding of scalable backend design and clean architecture.
  • Experience in automated testing and quality-focused development.
  • Degree in Computer Science or related field.
  • Ability to work aligned with US time zones.
  • Fluent English communication skills.
  • Polish - min B2.
  • You need to live in Poland and/or be eligible to work here.

offered :


  • Scandinavian-inspired work culture built on trust and ownership.
  • Real impact on scalable, cloud-based systems.
  • Stable, long-term cooperation.
  • Health and sports benefits tailored to your needs.
  • Development opportunities aligned with your technical growth.
  • Work in a mature, low-ego environment focused on solutions.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • remote work opportunities
  • integration events
  • corporate sports team
  • corporate library
  • video games at work
  • coffee / tea
  • leisure zone
  • christmas gifts
  • birthday celebration
  • employee referral program
  • charity initiatives

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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