Lead .NET Developer - Public Sector Solutions

About Twoday

Twoday is the leading digital transformation partner in Northern Europe with a global presence. With approximately 3,000 technologists, we collaborate with some of the most recognised private and public organisations to deliver cutting-edge digital solutions. Our deep industry expertise spans Data & AI, software development, digital experiences and business applications.

Our team operates across the Nordics and Lithuania, supporting more than 8,000 customers on their digital transformation journeys.

Lead .NET Developer – Public Sector Solutions

Do you want to take technical ownership of business-critical digital solutions?

We are looking for experienced Lead .NET Developers to join Twoday as permanent employees, working on a long-term engagement with one of Denmark’s leading professional organisations.

You will become part of a highly skilled development environment, helping to shape the technical direction of modern digital platforms used by thousands of users every day.

This is a hands-on leadership role where you will combine software development with technical ownership, mentoring and architectural decision-making.

Your responsibilities as a Lead .NET Developer will include:

• Taking technical ownership of solutions and contributing to architectural decisions

• Designing, developing and maintaining backend solutions in C#/.NET

• Driving technical quality through code reviews and best practices

• Working with APIs, integrations and complex business processes

• Collaborating with architects, product owners and stakeholders

• Supporting and mentoring other developers

• Contributing to technical roadmaps and modernisation initiatives

• Ensuring maintainable, scalable and secure solutions

Your qualifications

We expect that you:

• Have extensive experience with C# and .NET

• Have experience working as a Lead Developer, Technical Lead or Senior Developer with technical ownership

• Have a strong background in backend development and solution design

• Have worked with APIs, integrations and enterprise applications

• Understand architecture, performance, security and maintainability

• Thrive in agile development environments

• Are fluent in Danish and English

It is an advantage if you also have experience with:

• Azure and cloud-native solutions

• CI/CD and DevOps practices

• Modernisation of legacy systems

• Regulated or membership-based organisations

As a person

You are:

• Technically strong and quality-oriented

• Pragmatic and solution-focused

• Comfortable taking ownership and making technical decisions

• A collaborative team player who enjoys mentoring others

• Motivated by building solutions that create long-term value

Why Join Twoday?

At Twoday, you'll become part of one of the leading technology consultancies in the Nordics. We help organisations create sustainable digital solutions that improve everyday life for citizens, businesses, and society.

We combine the opportunities of a large organisation with the flexibility and close-knit culture of local teams. You'll work alongside highly skilled colleagues who are passionate about technology and knowledge sharing, while benefiting from excellent opportunities for professional and personal development.

We offer:

• A permanent position with long-term customer engagement

• Challenging and meaningful projects

• Skilled and supportive colleagues

• Strong professional communities and knowledge-sharing networks

• Opportunities for continuous learning and certification

• Flexible employment conditions and competitive benefits

• A culture built on trust, collaboration, and professional excellence

Interested?

If you'd like to learn more about the role, please apply or reach out for a confidential conversation.

We review applications on an ongoing basis and look forward to hearing from you.

Employment

You will be employed by Twoday and work on a project with a public client.

At Twoday, you will be part of a strong professional community with excellent opportunities for professional development, knowledge sharing and long-term career growth.

Language requirements

Fluent Danish, both written and spoken, is required.

Location

The role is onsite in the Copenhagen area.

The process

• Telephone interview with a Talent Acquisition Partner

• Teams interview with hiring manager

• Technical assessment

• Onsite interview with hiring manager

About Twoday

Twoday has modern offices in more than 30 locations across Norway, Sweden, Denmark, Finland and Lithuania. We offer an engaging work environment with high professional standards and a strong sense of community. With us, you will have the opportunity to develop both professionally and personally in an international and innovative organisation.

Diversity & Inclusion

Don’t meet every requirement? Studies show that women and other underrepresented groups are less likely to apply unless they meet every qualification. At Twoday, we are committed to building an inclusive workplace, and we encourage you to apply if the role interests you – even if your experience does not match the job description perfectly.