Mittanbud Marketplaces

Oslo

Mittanbud Marketplaces is hiring a Senior Frontend Developer
Mittanbud Marketplaces is looking for an experienced front-end developer to help us build and scale the leading marketplace for home services in the Nordics. We want someone who enjoys understanding how things work, solving real engineering challenges, and building robust systems -- while also wanting to help shape and build our technical infrastructure and department.
You'll work with strong brands like Mittanbud, Servicefinder, and 3byggetilbud, and contribute to a platform that connects homeowners with professionals across four countries.
<h4 class="navds-heading navds-heading--xsmall navds-typo--spacing">About the position</h4>
This is an on-site position based in our Oslo office at Tøyen. While we offer some flexibility for working from home, we value the collaboration and strong team culture fostered by spending time together in our office.
<h4 class="navds-heading navds-heading--xsmall navds-typo--spacing">What you'll work on</h4>
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Design, build, and maintain frontend services in a modern microservice architecture
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Work on high-traffic systems used by thousands of customers daily
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Build new product features and contribute to long-term architectural improvements
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Improve developer experience and internal tooling
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Tackle performance, scaling, and reliability challenges
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Collaborate closely with colleagues across IT, product, design, and sales
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Guide and support other developers on the team
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Qualifications
Essential Skills and Experience:
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5+ years of professional experience in frontend development.
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Strong proficiency in TypeScript / JavaScript.
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Extensive experience utilizing React / Next.js.
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Solid grasp of CSS and core layout/styling concepts.
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Experience in consuming and integrating with API endpoints.
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Familiarity with the following is a plus:
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Mobile development using React Native and Expo.
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Testing frameworks such as Playwright , Vitest , and Storybook.
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Utilizing Tailwind CSS.
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Experience with Radix and maintaining a design system.
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Consuming and working with GraphQL.
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Technical experience with Sanity CMS.
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Personal qualities:
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Strong ability to mentor and share knowledge with others
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Thrive in collaborative environments and are a great team player
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Fluent in Norwegian and English, both written and spoken
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What we offer
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Hackdays where you can experiment and explore new ideas
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10% of your working time dedicated to self-learning and professional development
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On-site gym/training room
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Opportunity to influence technical direction and infrastructure
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An engaged team with a strong collaborative culture
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Centrally located offices at Tøyen in Oslo
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Work with a platform serving all of Scandinavia
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Questions?
If you have any questions about the role or want to learn more, feel free to reach out directly to our CTO: Jon Vollar 📧 <a rel="nofollow" href="mailto:jon.vollar@mittanbud.no">jon.vollar@mittanbud.no</a> 📞 +47 977 15 275