Senior.NET Developer

Hybrid26,880 – 31,920 PLN
Warsaw, Poland

Job Description, Responsibilities & Requirements

About the Position

We are looking for an experienced Senior.NET Developer. In this role you will be responsible for ensuring the team delivers high-quality software, using industry best practices for code management, testing, and CI/CD. This is an exciting opportunity to build a new greenfield solution, working as part of a small team, to help the business improve their electronic trading capabilities within the fixed income space. The platform itself is built on top of AWS and makes use of many services within the AWS ecosystem.

Responsibilities

  • Take responsibility for the software delivery by ensuring quality and scope expectations are met.
  • Contribute and take ownership of the technical design and ensure all aspects of the system architecture are well documented.
  • Work closely with partner technology teams and collaborate effectively.

Requirements

  • Very deep understanding of.Net/.Net Core and solid understanding of OO principles.
  • Experience in ASP.NET Core Web API and RESTful API techniques.
  • Solid understanding of and experience with multi-threading and asynchronous programming.
  • Familiar with SQL and NoSql databases.
  • Hands-on experience with containerization solutions like Docker.
  • Experience designing and building API based service oriented or microservice architectures.
  • Diligent with automated testing i.e. Nunit/Moq/Cucumber etc.
  • Strong experience with middleware messaging services like Rabbit MQ, TIBCO, SignalR etc.
  • Solid experience with continuous integration and continuous delivery tools like Git, TeamCity etc.
  • Agile development/Software life cycle.

Nice to Have

  • Fixed Income product knowledge.
  • Experience configuring continuous integration and continuous delivery tools.
  • An awareness of/understanding of one or more javascript single page application framework.
  • Experience using AWS platform.

We Offer

  • Salary: 26 880 – 31 920 PLN
  • Contribution to the creation of an innovative product used by customers.
  • Ability to work in a cutting-edge field with the latest technology.
  • A stable job full of new challenges, and ongoing professional development.

About the Company

We are waiting for you!

Please, send your resume:

[email protected]

Job Details

Company name:
New Digital Street
Salary:
26,880 – 31,920 PLN
Location:
Warsaw, Poland
Employment Type:
Full-time
Work Mode:
Hybrid
Posted on TheJob:
Mar 27, 2026
Last checked:
Jun 30, 2026
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