Frontend-Focused Full-Stack Developer – Angular & .NET
First seen by Alion on Sep 2, 2026. Twoday Oy scores B on the Alion truth index.
Twoday is the leading digital transformation partner in Northern Europe with a global presence. With approximately 3,000 specialists, we collaborate with some of the most admired private and public organisations to deliver cutting-edge digital solutions. Our expertise spans software engineering, Data & AI, cloud platforms, digital experiences and business applications.
We are now looking for a Senior Platform Engineer to help transform a large-scale development and deployment platform from traditional DevOps into a modern AI-assisted and agentic engineering setup.
Permanent position at Twoday | Copenhagen
Frontend-Focused Full-Stack Developer - Angular and .NET
Would you like to build intuitive and reliable digital solutions supporting an important area of the Danish public sector?
Twoday is looking for an experienced frontend developer with strong Angular skills who is ready to contribute across the full technology stack. You will join an established development environment that is transitioning towards full-stack teams.
Your primary focus will be frontend development with Angular and TypeScript, while C# and .NET will become an increasingly important part of your work. The technology landscape may also move towards Blazor, making experience with or an interest in Blazor an advantage.
Your responsibilities
Develop and maintain modern web applications using Angular and TypeScript
Translate complex requirements into intuitive and accessible user experiences
Contribute to backend development using C# and .NET
Develop and integrate REST APIs
Support the transition towards full-stack development
Potentially contribute to future solutions using Blazor
Write automated tests and ensure high code quality
Participate in code reviews, technical discussions and solution design
Collaborate closely with developers, testers and business stakeholders
Contribute to CI/CD pipelines and continuous improvement of development practices
Your background
Strong professional experience with Angular and TypeScript - this is a requirement
Experience with or a good understanding of C# and .NET
A frontend-first profile with the ability and motivation to work across the full stack
Experience with REST APIs and automated testing
Familiarity with Azure DevOps, Azure Pipelines and YAML
Experience with Blazor, OpenAPI or Dapper is an advantage
Experience from complex enterprise or public-sector solutions is an advantage
Fluent spoken and written Danish
Able to work full-time onsite in Copenhagen
What we offer
At Twoday, you will become part of a strong professional environment where knowledge sharing, collaboration and technical quality are central. You will work on meaningful digital solutions while developing your skills alongside experienced colleagues.
The position is a permanent role at Twoday, working full-time onsite with one of our public-sector customers in Copenhagen.
Interested? We look forward to receiving your application.
About Twoday
Twoday operates from modern offices across 30 locations in Norway, Sweden, Denmark, Finland and Lithuania. We have a strong and unique social environment with highly engaged employees. If you are the candidate we are looking for, you will play a central role with exciting opportunities to grow within an international and innovative group, working on cutting-edge technology and software solutions.
Diversity & inclusion
Do you not meet all the requirements? Studies show that women and minorities are less likely to apply for a job if they don’t meet every qualification. At Twoday, we are committed to building a workplace and community where everyone is welcome. If you are excited about this role but your previous experience doesn’t perfectly align with the job description, we still encourage you to apply.