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Senior Full-Stack Developer (.NET + Web)
  • Warsaw
Senior Full-Stack Developer (.NET + Web)
Warszawa, Warsaw, Masovian Voivodeship, Polska
SQUARE ONE RESOURCES sp. z o.o.
19. 2. 2026
Informacje o stanowisku

technologies-expected :


  • C#
  • .NET Core
  • .NET
  • JavaScript
  • TypeScript
  • CSS
  • Git
  • Microsoft Azure
  • Docker
  • Kubernetes

about-project :


  • We are looking for an experienced Senior Full-Stack Developer who wants to have a tangible impact on architecture, solutions, and the strategic direction of systems supporting key business processes.
  • If you value clean code, sound technical decisions, and collaboration with a mature team, this could be the right place for you.

responsibilities :


  • Develop and maintain core systems used across the organization.
  • Design and implement solutions based on distributed architecture principles.
  • Participate actively in a Scrum development team: planning, estimation, proposing solutions, demos, and iterative product improvement.
  • Co-create technical standards beyond coding.
  • Share knowledge and best practices with fellow developers.

requirements-expected :


  • Bachelor’s or Master’s degree in Computer Science or a technical field.
  • Minimum 6 years of professional experience in application development using C# (.NET Core / ASP.NET).
  • Strong knowledge of relational databases and SQL.
  • Experience designing and building distributed systems.
  • Practical experience with asynchronous communication (e.g., RabbitMQ, Azure Service Bus).
  • Experience building web application frontends using JavaScript / TypeScript / HTML / CSS.
  • Proficiency in Git / GitHub.
  • Strong problem-solving skills, independent and creative.
  • English language skills sufficient for working with documentation and interacting with vendors.
  • Experience with ORM frameworks (NHibernate, Entity Framework / EF Core).
  • Knowledge of message bus tools (MassTransit, NServiceBus).
  • Experience with ReactJS.
  • Writing automated tests (unit, integration, e2e, including UI).
  • Experience with CI/CD pipelines and build automation.
  • Working knowledge of Microsoft Azure.
  • Experience with Docker and Kubernetes (including Helm).

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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