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C# Developer

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Onsite

C# Developer

NATEK

C# Developer

Skills

SQL QueriesC#.NETBitbucketJenkinsAnsible

1 month ago

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Important information


Contract type:

Permanent

Location:

Warsaw, Poland

Work mode:

Onsite

Published on:

13 September 2026

What they need


Are you looking to build high-performance financial systems in a truly global environment? Join our team, a vital part of Global Markets IT. Our client is currently well advanced in migrating their backend ecosystem to a modern, event-driven architecture. To help them accelerate this journey, we are looking for a skilled C# Developer with a solid background in banking industry.

Tech Stack:

Backend: C# .NET, Windows Services, ASP.NET Web API, SignalR

Architecture & Data: Rebus (asynchronous messaging), MS SQL, Dapper (ORM)

DevOps & Tools: GIT (Bitbucket), TeamCity, Jenkins, Ansible

Your Responsibilities

  • Design, build, and maintain robust, scalable backend components and services using C# .NET
  • Actively contribute to the ongoing migration toward event-driven architecture and optimize asynchronous messaging
  • Write, optimize, and maintain complex database queries and structures in MS SQL
  • Support and improve our CI/CD pipelines, ensuring code quality and smooth deployment processes in line with DevOps best practices

Our Requirements

  • 4+ years of similar experience
  • Deep knowledge of C# .NET, its ecosystem, and advanced Object-Oriented Programming (OOP) principles and patterns
  • Strong background in Service-Oriented Architectures (SOA) and hands-on MS SQL experience
  • Demonstrable experience working with CI/CD and automation tools (e.g., Jenkins, TeamCity, Ansible)
  • Fluency in English
  • Proven experience within the banking industry

Benefits

  • Długofalowa współpraca oparta o nasze wartości: edukacja, partnerstwo i odpowiedzialność
  • Internal Mobility Program – ciesz się wieloma możliwościami rozwoju kariery, rotacją stanowisk, różnorodnością projektów i technologii
  • Program Poleceń – współpracuj ze swoimi znajomymi i zyskaj bonus!
  • 5/10 Years NATEK Club – oferujemy długoterminową współpracę, a każdą piątą rocznicę współpracy świętujemy nagrodamI
  • NATEK CSR Events oraz integracje
  • Kafeteria
  • Opieka medyczna (Medicover)
  • Multisport
  • Szkolenia techniczne i personalne
  • Kursy językowe
  • Dla kontraktorów - uprawnienie do 23 dodatkowych dni świadczenia usług w roku

Dodatkowo tylko dla UOP:

  • Ubezpieczenie na życie
  • Personal Event Bonus
  • Dzień wolny na wolontariat

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