Senior Backend Engineer (Node.js)

At ChurchDesk, our mission is to help churches modernize and stay connected with their communities in a rapidly changing world. As a SaaS company, we provide digital tools that enable churches to streamline operations, communicate effectively, and engage their congregations. Over the past 15 years, we’ve grown from a startup into an international business, yet we remain a small, collaborative team where your impact will be visible from day one. We value diversity, inclusivity, and the unique perspectives each person brings to our mission.

About your new role

As a Senior Backend Engineer, you will:

• Take hands-on ownership of backend projects, solving complex problems and driving implementations to completion.

• Play a key role in shaping our backend architecture, driving best practices, and maintaining a scalable, performant infrastructure.

• Mentor and support other engineers, helping grow the team’s technical capabilities.

• Collaborate closely with our product team, designers, and other engineers to ensure backend solutions align with product goals.

• Build reliable, scalable, and modular systems using NodeJS, TypeScript, MySQL, Redis, and ElasticSearch.

• Contribute to continuous improvement of our engineering practices and the evolution of our product to meet customer needs.

Requirements

Skills & Requirements

• Has 5+ years of software development experience, with a proven track record of delivering end-to-end backend solutions.

• Has deep expertise in Node.js, TypeScript, and relational databases (particularly MySQL).

• Has experience building scalable, performant, and modular backend systems.

• Understands modern backend engineering practices, including API design, data modeling, testing, and performance optimization.

• Demonstrates excellent written and verbal communication in English, collaborating effectively with product team and engineers to shape and refine backend features.

• Has experience working remotely and is based in Copenhagen or elsewhere in the EU, with legal authorization to work.

Nice-to-Have

• Familiarity with NoSQL datastores such as ElasticSearch, Redis, or MongoDB.

• Familiarity with React Native, as our mobile apps and in-person donation terminals are built using it.

• Experience with AI-assisted development workflows, such as prompt engineering or code generation tools.

What We Offer

• The opportunity to make a real impact on a product used by some of the largest and oldest institutions in the world.

• A supportive, low-ceremony, and lean-process environment where your ideas and contributions are valued.

• Permanent contract with 6 weeks of paid vacation plus local public holidays to support work-life balance.

• Enjoy the opportunity to collaborate in person and work from our Berlin, Copenhagen, Oslo or Groningen offices.

• A social, collaborative culture with annual kick-offs, team trips, and friendly challenges.

• Growth opportunities to develop your skills and career in a fast-moving, international team.

About ChurchDesk

At ChurchDesk, we believe that the church plays an important role in society. Our platform is used by thousands of congregations to organise their work, improve communication with members, reach more people, and unlock new ways of fundraising.
Our customers are part of one of the largest and oldest institutions in the world: the Church. It is undergoing significant change to prepare for the futu