Senior Clojure Developer

Permanent position at Twoday | Copenhagen

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.

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

Working at Twoday

Twoday is a leading technology consulting company specializing in applied AI and advanced engineering. With around 2,300 experts in AI, data, digital engineering, and cloud engineering, we cut through complexity, remove uncertainty, and prove the value of technology.

Our purpose is to create a better tomorrow through AI and technology. We strengthen private and public organizations across energy and utilities, financial services and insurance, industrials and manufacturing, health and life sciences, and government.

However, our greatest strength isn't the technology we work with. It's the people behind it. Every day, they bring together expertise, curiosity, and determination to help our customers solve complex challenges and create lasting value.

Diversity and inclusion

We are committed to building an inclusive and diverse workplace where everyone is treated with respect and has equal opportunities. Our recruitment decisions are based on competencies, experience, and individual merit.

Don’t meet all the requirements? Many candidates hesitate to apply unless they meet every qualification. We are looking for people who are engaged, meet most of the criteria, and are motivated to grow in the role. If this role interests you and you believe you could be a good fit, we encourage you to apply.