Senior Clojure Developer
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Mar 23, 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 technologies, we collaborate with the most admired private and public organizations to deliver cutting-edge digital solutions. Our deep industry expertise spans Data & AI, software development, digital experiences, and business applications. Operating across the Nordics and Lithuania, our team generated a revenue of 280 million euros in 2023. We serve over 8,000 customers, supporting their digital transformation journeys.
Senior Clojure Developer - Public Sector Solutions
Are you an experienced Clojure developer who thrives in complex, high-impact environments?
At Twoday, we are looking for a senior developer to join a project within the public sector, where you will contribute to building and maintaining critical digital solutions used by thousands of citizens.
About the role
You will become part of a highly skilled development team working onsite in Copenhagen on business-critical systems with high demands for stability, security, and long-term maintainability.
The role involves both developing new functionality and improving existing solutions, often in collaboration with architects, domain experts, and other developers. You will work in an environment where quality, documentation, and structured development are essential.
Your responsibilities
Design, develop, and maintain applications using Clojure
Contribute to system architecture and technical decisions
Build and maintain robust, scalable backend services
Work with APIs and integrations across complex system landscapes
Ensure high code quality, testability, and maintainability
Collaborate closely with cross-functional teams in an agile setup
We expect that you
Have several years of experience working with Clojure (senior level)
Have a strong background in backend development and functional programming
Are comfortable working with complex, distributed systems
Have experience with APIs, integrations, and data-heavy solutions
Understand the importance of documentation, testing, and stable operations
Thrive in agile development environments
Fluent Danish is required
It is an advantage if you have experience working in regulated environments or with public sector solutions.
As a person
You are:
Structured and quality-oriented
Able to work independently while being a strong team player
Comfortable navigating complex domains and stakeholder landscapes
Motivated by building solutions that make a real societal impact
What we offer
At twoday, you will join a strong professional environment with opportunities to grow and develop your skills.
We offer:
The opportunity to work on meaningful public sector solutions
A collaborative and highly skilled team environment
Professional development and knowledge sharing
Flexible working conditions
Long-term career opportunities within twoday
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 across more than 30 locations in Norway, Sweden, Denmark, Finland, and Lithuania. We offer an engaging working environment with strong professional expertise and a collaborative culture. With us, you will have the opportunity to develop both professionally and personally in an international and innovative organisation.
Diversity & Inclusion
Do you feel that you do not meet every requirement?
Studies show that women and other underrepresented groups are less likely to apply if they do not match every criterion. At Twoday, we are committed to building an inclusive workplace and encourage you to apply if this role appeals to you - even if your experience does not fully match the job description.