Senior .NET Developer

4 731.74 - 5 678.08 USDNet per month - B2B
3 661.46 - 4 224.77 USDGross per month - Permanent
Net

Senior .NET Developer

Net
-, Warszawa

ITDS

Full-time
B2B, Permanent
Senior
Hybrid
4 731.74 - 5 678.08 USD
Net per month - B2B
3 661.46 - 4 224.77 USD
Gross per month - Permanent

Job description

Unleash banking innovation — build resilient financial solutions that transform the digital era!


Warsaw-based opportunity with hybrid work model (2 days in the office per month)


As a Senior .NET Developer, you will be working for our client, a leader in online banking, supporting the development and maintenance of secure, high-performance financial solutions. You’ll contribute to building innovative banking functionalities, ensuring system reliability and delivering cutting-edge digital services. Operating within a distributed Agile environment, you’ll play a pivotal role in implementing complex backend logic and collaborating across teams to drive fintech innovation.


Your main responsibilities:

  • Design and develop new features in .NET 8

  • Implement and optimize SQL-based data access

  • Build and maintain containerized applications using Docker and Kubernetes

  • Collaborate with distributed teams in an Agile environment

  • Participate in the development of secure payment solutions

  • Share knowledge and mentor less experienced team members

  • Ensure code quality through reviews and testing

  • Maintain existing functionalities and resolve production issues

  • Manage your own time and responsibilities while working remotely


You're ideal for this role if you have:

  • Minimum 4 years of experience in developing IT systems

  • Strong hands-on experience with .NET technologies

  • Solid knowledge of PostgreSQL and MS SQL

  • Practical understanding of Agile software development

  • Excellent communication and collaboration skills in distributed teams

  • Ability to work independently and manage your time effectively

  • Experience in developing new features and maintaining existing ones

  • Passion for software development and continuous learning

  • Experience with Docker and Kubernetes


It is a strong plus if you have:

  • Knowledge of banking domain such as payments and transactions (e.g., Elixir, Sorbnet)

Language Required for the role:

  • Communicative in Polish (fluent level)

Eligibility to work on this role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role

#MAKEYourCareerBETTER

Interested? Apply now and include your CV in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data.


We offer you: 

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: 

  • Stable and long-term cooperation with very good conditions. 

  • Enhance your skills and develop your expertise in various industries. 

  • Work on the most strategic projects available in the market. 

  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years. 

  • Participate in Social Events, training, and work in an international environment. 

  • Access to attractive Medical Package. 

  • Access to Multisport Program. 

  • Access to Pluralsight. 

  • Flexible hours & remote work. 

 

You can report violations in accordance with ITDS’s Whistleblower Procedure available here. 

 

Ref. number  8516

Tech stack

    Polish

    C1

    .Net 8

    advanced

    PostgreSQL

    regular

    Scrum

    regular

    Docker

    regular

    MS SQL

    regular

    Kubernetes

    regular

    Payments

    nice to have

    TeamCity

    nice to have

Office location

Published: 13.02.2026

Senior .NET Developer

4 731.74 - 5 678.08 USDNet per month - B2B
Summary of the offer

Senior .NET Developer

-, Warszawa
ITDS
4 731.74 - 5 678.08 USDNet per month - B2B
3 661.46 - 4 224.77 USDGross per month - Permanent
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest ITDS z siedzibą w Warszawie, ul. Złota 59 (dalej jako "administrator"). Masz prawo do żąda... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.