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Lead Fullstack Engineer.NET/React
  • Łódź
Lead Fullstack Engineer.NET/React
Łódź, Łódź, Łódź Voivodeship, Polska
Knowit Poland sp. z o.o.
20. 7. 2025
Informacje o stanowisku

technologies-expected :


  • .NET
  • React.js
  • .NET Core
  • C#
  • TypeScript
  • SQL
  • RabbitMQ

about-project :


  • For our customer, Swedish IT company, we are looking for a Fullstack engineer to join an cross-functional Scrum team who enjoys having a real say in how things are built. You’ll take ownership of the backend, help refine requirements, and keep the work aligned with both technical and business needs. You will not only be responsible for hands-on coding but also for leading the backend part of the team, collaborating with frontend and QA, and working closely with the Product Owner and architects to clarify and challenge requirements. This is a great opportunity for someone who enjoys communication, technical ownership, and navigating a demanding but rewarding environment.

responsibilities :


  • You’ll take ownership of the backend, help refine requirements, and keep the work aligned with both technical and business needs. You will not only be responsible for hands-on coding but also for leading the backend part of the team, collaborating with frontend and QA, and working closely with the Product Owner and architects to clarify and challenge requirements

requirements-expected :


  • C#, .NET Core / .NET 8 (ASP.NET, Entity Framework, MediatR, Swagger, Serilog, SignalR)
  • TypeScript / React (RTK, Material UI, react-hook-form, ESLint)
  • MS SQL Server / PostgreSQL
  • Unit & functional tests: NUnit, xUnit, Moq, FluentAssertions, vitest, jest
  • Architecture & design patterns: SOLID, CQRS, DDD
  • RabbitMQ
  • Kubernetes, Docker
  • GitHub Actions (CI/CD)

offered :


  • B2B business contract
  • Possibility to work from the office (Warsaw, Łódź, Bydgoszcz), hybrid, or remotely - depending on your capabilities and preferences
  • Flexible working hours - you can start your day between 7 and 10
  • Organizational culture based on knowledge sharing and feedback
  • Possibility to acquire our benefits on preferential conditions
  • Necessary equipment for cooperation

benefits :


  • dofinansowanie zajęć sportowych
  • prywatna opieka medyczna
  • dofinansowanie szkoleń i kursów
  • ubezpieczenie na życie
  • możliwość pracy zdalnej
  • elastyczny czas pracy
  • spotkania integracyjne
  • siłownia w biurze
  • firmowa drużyna sportowa
  • firmowa biblioteka
  • brak dress code’u
  • kawa / herbata
  • parking dla pracowników
  • strefa relaksu
  • dofinansowanie wypoczynku
  • inicjatywy dobroczynne

  • Praca Łódź
  • Łódź - Oferty pracy w okolicznych lokalizacjach


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