NATEK
C# Developer
Skills
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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