About the role
About us
MARGO is an international IT consulting company founded in Paris in 2005, with offices in London and Warsaw. We specialize in IT outsourcing and delivery of high-quality experts for complex technology projects across Europe. At MARGO, we focus on long-term partnerships, transparency and continuous development.
About the role
We are looking for a Senior .NET Developer to join long-term enterprise banking projects delivered in structured development environments. You will work on complex business applications, cooperating closely with Analysts, QA Engineers and Product stakeholders.
This role is dedicated to experienced developers (5+ years) who value clean code, testing, good architectural practices and high engineering standards.
Work model: Remote-first with scheduled on-site team meetings (2 days per month in Warsaw).
Office presence is focused on team alignment, planning sessions and direct collaboration.
Margo Offers
- B2B cooperation
- Remote working model
- Benefits such as medical care and sports card
- Co-financing trainings, certification exams and post-graduate studies
- Ability to work in an international consulting company on ambitious projects
- Possibility to get involved in outside-project activities with additional remuneration)
- Excellent working atmosphere, integration events
Responsibilities
- Design and develop applications using C# and .NET Core
- Implement frontend components using Angular and TypeScript
- Design and optimize SQL Server databases
- Develop and maintain system integrations (REST-based)
- Create and maintain unit and automated E2E tests
- Participate in system design and architectural discussions
- Maintain high code quality and code review standards
- Collaborate with Analysts, QA and DevOps teams
- Support continuous improvement of development processes
Required skills
- Minimum 5 years of commercial experience in software development
- Strong experience with C#, .NET Core and SOLID principles
- Experience with Angular and TypeScript
- Experience designing relational databases (SQL Server)
- Practical experience with Docker and Kubernetes
- Experience with unit testing and automated E2E testing
- Knowledge of software design and system architecture methodologies
- Experience with tools such as Git, Visual Studio, VS Code, Jira, TeamCity
- Knowledge of PowerShell and Bash
Language requirements
Polish: native or C2 level (required)
English:B2 Language requirements (enabling work with technical documentation)