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Freelance Senior Backend Engineer - Kotlin (m/f/d)

VoizeBerlin, GermanyFull-timeSalary not listed · Typical pay in GermanyPosted Oct 29, 2026

Voize is hiring for the position of Freelance Senior Backend Engineer - Kotlin (m/f/d) in Berlin, Germany. It is listed as a full-time, senior position.

Written by Dev Global Jobs

DGJ summary of this job

Our own short read of this listing, built only from the facts it gives. The employer’s original text follows further down.

Voize is hiring for the position of Freelance Senior Backend Engineer - Kotlin (m/f/d) in Berlin, Germany. It is listed as a full-time, senior position.

Reading the advert, the employer asks for German language skills.

Skills and tools named in the text include Kotlin and REST.

No salary is given in this listing, so check the official pay figures in the DGJ Insight section below where they exist.

The advert does not mention visa sponsorship. If you would move to Germany for this job, check the official work permit route first (DGJ Insight lists it where we have it).

Dev Global Jobs found this job on Arbeitnow on Oct 29, 2026; the apply link was last checked on Nov 2, 2026.

Employer
Voize
Location
Berlin, Germany
Job type
Full-time
Level (from the title)
senior
Pay
Not stated by the employer
Languages asked
German
Found
Oct 29, 2026 on Arbeitnow
Employer text
303 words, about 1 min to read
Skills named in the advert
KotlinREST
Before you apply
  • Apply only on the official page (arbeitnow.com). Dev Global Jobs is not the employer and never asks for a fee.
  • Mirror the skills the advert names (Kotlin and REST) in your CV where you really have them; applicant tracking systems look for these words.
  • Say your level in German plainly (for example B2 or C1).
  • Read the employer’s full text below (about 1 min) before you apply.
  • Build or check your CV with the free DGJ CV Builder.
Only on Dev Global Jobs

DGJ Insight

Our own data about this role and place, from official statistics and our live job index.

Updated Nov 2, 2026
Pay benchmark
Average wage, Germany
EUR 54,840 average / year

Source: OECD Average annual wages, 2025

Cost of living · Berlin
79.8 vs New York = 100

UN living-cost index for Berlin (ICSC post adjustment 40.2), as of 1 Oct 2026.

Source: ICSC post adjustment classifications (icsc.un.org)

Work permit route
  • EU Blue Card: Recognised degree and a job offer above the salary threshold
  • Skilled worker visa (Fachkräfte): Recognised qualification and a job offer
  • Opportunity Card (Chancenkarte): Points-based job search for up to one year

Official routes: Make it in Germany (Federal Government portal)

Freshness
Apply link answered

Answered at our last check on Nov 2, 2026.

Job description

About the role

Full text from the employer, as published on Arbeitnow, arranged into sections. Nothing added or removed.

🎤 Why voize? Because we’re more than just a job!

At voize, we believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to admin work that pulls nurses away from what matters most: people.

01đź’ˇ Your Mission

As a Freelance Senior Backend Engineer for our German Market squad, you’ll ensure that data flows smoothly between our products and our partners' software solutions. You'll build and maintain the integrations that connect the voize with senior care and hospital software platforms. We are open for you to be based remotely across Germany, France or the UK.

02🚀 Your Daily Business, No two days are alike

  • Shape the future of our integrations, Develop interfaces that seamlessly connect voize with systems in the care and medical sector

  • Build future-proof solutions, Develop a scalable API, set industry standards, and work closely with partners and clients

  • Take end-to-end ownership, From the idea and implementation to the ongoing development of our integrations

  • Architecture with foresight, Design thoughtful data models and sustainable solutions for complex systems

  • Work with impact, Your work saves caregivers time, improves documentation, and supports people who do amazing work every day.

03🤝 Your Skillset, What you bring to the table

  • Several years of experience in backend development and API integration

  • Excellent proficiency with Kotlin

04API design and development with REST

  • Fluent in German (C1) to communicate effectively with partners

  • Willingness and work authorisation to travel to Berlin (we cover your expenses!)

  • 05Can work with us for minimum 3+ months

    ✨ Ready to talk? Apply now! 🚀

    We look forward to your application and can’t wait to meet you, no matter who you are or what background you have!

    Find more English Speaking Jobs in Germany on Arbeitnow

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