C#/.NET Lead Software Engineer

Location: Warsaw, PL

Why this role is important to us

At SimCorp, we support some of the biggest financial institutions in the world to be successful by simplifying their investments, accounting, and operations.

As a Lead Software Engineer specializing in C# development, you will have an important part in supporting the development of multiple C# based products related to testing, documentation, release management, and contributing to our DevOps framework.

What you will be responsible for:

  • Oversee the design, development, testing, and maintenance of software applications using C# and related technologies
  • Write clean, efficient, and well-documented code
  • Participate in code reviews and contribute to the development of best practices
  • Mentor and coach junior members of the development team, supporting their professional growth
  • Identify and troubleshoot software defects and errors
  • Stay up-to-date with emerging trends and technologies in software development
  • Lead and guide your scrum team to achieve the definition of done within each sprint

Your qualifications:

  • Significant experience utilizing .NET technologies, with a focus on C#

  • Previous experience of building REST APIs using the .NET stack

  • Knowledge of design patterns and principals (OOP, GoF, SOLID) and proven ability to use them in practice

  • Practical knowledge of software development practices (TDD, BDD)

  • Azure cloud infrastructure knowledge

  • Experience with Docker, Kubernetes

  • Experience in all phases of the software and testing lifecycle, inception through deployment

  • Diverse experience in developing test strategy, test planning, test case design, and execution

  • Hands-on experience doing peer reviews and utilizing code quality tools like SonarQube

  • Proficient in Git and experience

  • Working with cloud-based applications


  • Flexible working hours – possibility to work from home

  • Private medical care (Medicover)

  • Sharing the costs of sports activities (Multisport Card)

  • Life insurance

  • Possibility to develop your career in an international environment

  • Professional training and courses

  • Language classes

  • Integration events and charity projects

Who we are

For over 50 years, we have worked closely with investment and asset managers to become the world’s leading provider of integrated investment management solutions. We are 2,800+ colleagues with a broad range of nationalities, educations, professional experiences, ages, and backgrounds in general.
SimCorp is an equal opportunity employer. We are committed to building a culture where diverse perspectives and expertise are integrated in our everyday work. We believe in the continual growth and development of our employees, so that we can provide best-in-class solutions to our clients.
While striving to deliver client value, we believe it is vital to consider our people and our planet in every business decision we make. Acting responsibly is not optional. It is essential.