Senior Frontend Developer - Vue 3

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. Senior Frontend Developer (Vue 3) About The Role We are looking for a Senior Frontend Developer with strong Vue 3 experience to join a long-term public sector digitalisation programme in Denmark. You will become part of an experienced agile development team building modern frontend applications used in a business-critical environment. Depending on the team, you will work on either traditional Single Page Applications (SPA) or Micro Frontends based on Module Federation. The solutions are built with modern frontend technologies and integrated with Java-based backend services. Responsibilities

• Develop and maintain frontend applications using Vue 3 and TypeScript
• Build scalable, maintainable and reusable frontend components
• Develop both Single Page Applications and Micro Frontend solutions
• Integrate frontend applications with REST-based backend services
• Participate in architecture discussions, refinement sessions, estimation and technical design
• Perform code reviews and contribute to high engineering standards
• Ensure high quality through automated testing and continuous improvement
• Collaborate closely with developers, architects, UX designers and Product Owners

Technical environment You will work with technologies including:

• Vue 3
• TypeScript
• Vite
• Module Federation (Micro Frontends)
• Docker
• Kubernetes
• Helm / Helmfile
• Vitest
• Cypress

The team also works according to modern engineering standards, including:

• WCAG 2.2 accessibility
• Internationalisation (i18n)
• Agile development practices

Required qualifications

• Strong professional experience with Vue 3
• Solid experience with TypeScript
• Experience building modern Single Page Applications
• Experience integrating REST APIs
• Experience with Vite
• Experience working in Agile development teams
• Strong focus on code quality, maintainability and collaboration
• Language: Fluent spoken and written Danish is a mandatory requirement

Nice to have

• Experience with Micro Frontends and Module Federation
• Experience with Docker, Kubernetes and Helm
• Experience with automated testing using Vitest and/or Cypress
• Experience with accessibility (WCAG)
• Experience with internationalisation (i18n)
• Experience working on large enterprise or public sector solutions
• Understanding of Java-based backend environments

Practical information

• Location: Full time onsite in Greater Copenhagen
• Start: August or September 2026
• Employment: Permanent position with Twoday

What We Offer Twoday has modern offices across 30 locations in Norway, Sweden, Denmark, Finland, and Lithuania. We offer a strong and unique social working environment with highly engaged colleagues. For the right candidate, this is an opportunity to take on a central role with exciting professional development opportunities in an international and innovative technology organisation delivering advanced digital solutions and services. You will also have the flexibility to occasionally work from one of our main offices in Oslo, Stockholm, Copenhagen, Helsinki, or Vilnius. Diversity & Inclusion Do you not meet every single requirement? Studies show that women and underrepresented groups are often less likely to apply for a role unless they meet every criterion. At Twoday, we are committed to building an inclusive and diverse workplace. If you are excited about this opportunity but your experience does not perfectly match every qualification, we still encourage you to apply.