# Senior Backend Engineer (Berlin) at Kadmos

> Remote · United Kingdom · Senior · Backend · open. Source: https://alderhq.app/jobs/greenhouse%3Akadmos3%3A4674099101 (read 2026-11-11).

## Facts (observed)

- Company: [Kadmos](https://alderhq.app/companies/kadmos)
- Location text: Berlin, UK, Remote; Berlin
- Where it can be done from (inferred): Remote · United Kingdom (evidence: "Remote role open worldwide")
- Posted: 2025-09-15 (422 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-08
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://job-boards.eu.greenhouse.io/kadmos3/jobs/4674099101
- Skills listed (inferred): React, Java

## Pay and sponsorship

- Posted pay: not posted
- Market band for similar posted roles (Berlin, n 6): p25 €76k, median €86k, p75 €115k

## Description (the employer's text)

### About the opportunity

We are looking for a Senior Backend Developer who will take ownership of crucial backend engineering activities at Kadmos. As a regulated salary payment provider in the shipping industry, we are building secure, reliable, and scalable financial solutions that empower seafarers and shipping companies worldwide. You will play a central role in shaping the backbone of our platform and driving innovation in a highly regulated environment.

### What you can expect

- Own the backend. You will be responsible for developing and maintaining core backend systems, building reusable libraries, implementing complex financial components, and integrating with external service providers.
- Work with independence. You’ll be trusted to take full ownership of your responsibilities, while collaborating closely with product, compliance, and engineering teams.
- Impact at scale. You will contribute directly to a platform serving the global shipping industry, with the opportunity to design systems that handle secure financial transactions.
- Collaborative environment. We value diversity, transparency, and teamwork. You’ll join an open and supportive culture where everyone’s input matters.
### What you bring along

- 5+ years of professional experience in backend engineering with Java Spring Boot.
- Master's degree in Computer Science, Mathematics, or Physics.
- Expertise in Spring Boot and strong knowledge of modern frameworks, SDKs, API standards, and libraries.
- Solid experience with unit, integration, and performance testing (JUnit, Spock, Testcontainers).
- Strong understanding of building secure, reliable, and scalable systems, ideally in a regulated or financial services context.
- Proactive, ambitious, and collaborative mindset with a track record of delivering high-quality solutions.
- Fluency in English.
- Nice to have: familiarity with React and experience in building financial products.
### Why us

- 🌱 Opportunity to work in a company with direct social impact
- 💰 Attractive compensation
- 🇺🇦 Open & International environment
- 🏛️ Fantastic location in the heart of Berlin & flexible WFH policy
- 🥘 Free lunch at the office
- 💻 Latest equipment, to ensure you have everything needed
### About the company

Kadmos is on an ambitious mission to revolutionise salary payments to migrant workers. The Berlin-based startup was founded in 2021 by MIT graduates Justus Schmueser and Sasha Makarovych to bring fintech, low margins, and transparent FX to industries riddled with opaque mark-ups, kickbacks, and physical cash transactions.

Backed by renowned VCs Addition and Atlantic Labs, Kadmos has raised more than $39 million since 2021. The company intends to use the funding for expanding across industries and further accelerating product development. For more information, visit https://www.kadmos.io/

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Akadmos3%3A4674099101 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.