Senior Fullstack .NET Developer (WCF)

Unleash innovation — build next-generation software solutions that transform industries!

Warszawa-based opportunity with hybrid work model (2 days in the office/month).

As a Senior Fullstack .NET Developer, you will be working for our client, a leading technology company committed to delivering cutting-edge digital solutions. You will join a dynamic team dedicated to designing, developing, and deploying robust, scalable systems using the latest Microsoft and front-end technologies. This role offers an exciting chance to contribute to innovative projects in a collaborative environment and accelerate your career growth.

Your main responsibilities:

• Develop and maintain complex full-stack applications using C#, .NET Core/.NET Framework, and Angular.

• Design and implement RESTful APIs in a microservices architecture, ensuring high performance and responsiveness.

• Apply SOLID principles, design patterns, IoC, and DI to create clean, maintainable code.

• Automate testing through unit tests, automated E2E tests with Cucumber, and continuous integration/delivery pipelines.

• Work with databases such as MSSQL and PostgreSQL, optimizing queries and data structures.

• Integrate and manage systems with tools like Docker, Kubernetes, Redis, RabbitMQ, and ElasticSearch.

• Collaborate using tools like JIRA, TeamCity, Jenkins, Bitbucket, Git, and support Linux and Windows environments.

• Contribute to system design and architecture decisions, focusing on microservices and cloud deployment strategies.

  
  

You're ideal for this role if you have:

• 5+ years of experience in software engineering, specifically in full-stack development with C#, .NET, and Angular.

• Strong knowledge of MICROSOFT technologies, including ASP.NET, WCF, MVC.NET, and SQL Server.

• Deep understanding of modern software engineering principles, test automation, requirement analysis, and system design.

• Familiarity with CI/CD tools such as Jenkins, TeamCity, and version control with Git.

• Experience working with REST APIs and designing microservice architectures.

• Knowledge of cloud platforms (Azure, GCP) is a plus.

• Good command of Polish language, with the ability to understand technical documentation and communicate effectively.

  
  

It is a strong plus if you have:

• Certifications such as MCTS: .NET Framework 4.0 or ASP.NET Applications.

#MAKEYourCareerBETTERInterested? 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  8258