Senior Full-Stack Engineer (Berlin) at Kadmos

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Senior Full-Stack Engineer (Berlin) at Kadmos. . Location: Berlin, UK, Remote. . . About the opportunity. . . About the opportunity. . We are looking for a Senior Full-Stack Engineer who will take ownership of crucial 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 both the backend infrastructure and frontend experience of our platform, driving innovation in a highly regulated environment.. . What you can expect. . . Own the full stack. . You will be responsible for developing and maintaining core backend systems and frontend applications, 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 and deliver exceptional user experiences.. . 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 full-stack development with . Java. Spring Boot and . React. .. . Master’s degree in Computer Science, Mathematics, or Physics.. . Backend Proficiency. : Expertise in Java with strong knowledge of Spring Boot and modern frameworks, SDKs, API standards, and libraries.. . Frontend Proficiency. : Expertise in React with a strong emphasis on TypeScript. Experience with Redux, React Query, styled-components, MUI Component Library, or similar tech stack.. . Extensive hands-on experience in developing . scalable and testable high-quality solutions. in an agile environment.. . Solid experience with . unit, integration, and performance testing. (JUnit, Spock, Testcontainers on the backend; React Testing Library and Cypress on the frontend).. . 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.. . . 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/