Senior Backend Engineer (Berlin)

kadmos3· Engineering
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🌍 Remote📍 Berlin, UK, Remote

About this role

About the opportunity

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/

Frequently Asked Questions

Is the salary disclosed for the Senior Backend Engineer (Berlin) position at kadmos3?
The salary for this Senior Backend Engineer (Berlin) role at kadmos3 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Backend Engineer (Berlin) job at kadmos3 remote?
Yes, this Senior Backend Engineer (Berlin) position at kadmos3 is remote, with team members based in Berlin, UK, Remote. You can work from home or anywhere in the supported regions.
Which team or department does the Senior Backend Engineer (Berlin) at kadmos3 belong to?
This Senior Backend Engineer (Berlin) position is part of the Engineering department at kadmos3. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Backend Engineer (Berlin) position at kadmos3?
Click the "Apply Now" button on this page. You will be redirected to kadmos3's official application portal hosted on greenhouse where you can submit your application directly.
When was the Senior Backend Engineer (Berlin) job at kadmos3 posted?
This Senior Backend Engineer (Berlin) position at kadmos3 was posted on Sep 15, 2025. Apply as soon as possible — early applications are often reviewed first.
Senior Backend Engineer (Berlin)
kadmos3
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