Digital & Data

Mid-level Frontend Engineer

Relesys Vilnius, LT / København, DK / Odense, DK Posted 1 Sept 2026 Relesys careersOn-sitePermanentProfessional3,000–5,000 EUR per monthEnglish

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Summary

The Mid-level Frontend Engineer will develop and maintain frontend solutions, improve the platform’s user experience, and collaborate with product and engineering colleagues on features and strategic work.

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Opportunity summary

Employment type: FULLTIME. Requisition: 8295443. Join a 5x Private Equity growth journey and build amazing frontend solutions as we turn Frontline Workers into Frontline Winners We are on the lookout for an ambitious and talented Mid-level Frontend Engineer to join our Development team on an exciting growth journey.

You will have a vital role in assuring the highest quality of our product and strengthen our UX on all our user platforms. You will work closely with other Frontend and Backend Engineers to build the market's best mobile app platform targeting employee engagement across industries. You will have the possibility to form part of our established office environment in Lithuania, Copenhagen, or Odense!

This is an exciting and transformative time to join Relesys, as we have gone into a strategic partnership with the Private Equity fund, Copilot Capital, where the coming years will bring extensive growth and opportunities along the way.

You get a unique opportunity to make a tremendous impact in taking your career, Relesys and our dear clients to the next level over the coming years - as we say it, joining a scale-up at this stage is a rare opportunity that is "once in a lifetime". 🚀 Your key responsibilities - Develop best in class UI/UX to ensure a seamless and intuitive user experience across the platform1 …

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