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# Backend Engineer - FinTech

- **Company:** FreeNow
- **Location:** Berlin, Germany
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Software Quality, Code Review, Relational Databases, Software Debugging, Java Persistence API, Java Virtual Machine (JVM), Software Engineering, Management of Software Versions, Technical Debt, Backend, Kotlin, Event Driven Architecture, Build Management, Restful APIs, Pagination, Microservices
- **Published:** August 11, 2026
- **Apply:** https://eu.experteer.com/career/view-jobs/backend-engineer-fintech-m-f-d-berlin-deutschland-58876294

## About the Role

with and apply best practices * Solve real problems impacting users Tasks * 3-5 years of software engineering experience with Kotlin or Java in production systems * Comfortable designing RESTful APIs (filtering, versioning, pagination) and reasoning about event-driven architectures, transactions, and resiliency * Solid experience with Spring (Boot) or similar JVM framework, and understanding of relational databases and JPA/ORM * Ability to work independently through ambiguous requirements and debug large codebases * Strong testing habits across unit/integration/system levels with focus on edge cases * Clear communication of technical topics to diverse audiences, including non-technical stakeholders * Experience using AI coding assistants as part of daily workflow while ensuring quality * Willingness to contribute to on-call rotations and incident resolution * Preferably knowledge of financial systems like invoicing and payouts Key requirements * Flexible working arrangements * LinkedIn a
testing * Sabbatical & special leave policies * Mobility Credit * Health Insurance * Employee assistance program

## Description

Experteer Overview In this role you will help power Freenow's fintech payments layer, enabling trusted, transparent money flows for riders and providers. You'll work within a multinational, collaborative team to design scalable microservices, own features end-to-end, and improve reliability and compliance. You'll tackle edge cases, contribute to code quality, and mentor juniors as the platform evolves with Lyft. This is a chance to shape critical financial systems at scale. Pay / Benefits * Own features end-to-end from design to deployment and monitoring * Design and build microservices and clean, well-documented APIs * Participate in code reviews as author and reviewer to raise quality * Identify gaps in tests, edge cases, and technical debt and address them * Collaborate in an agile environment and contribute to ceremonies * Support monitoring, alerting, and incident response for owned services * Assist in ramping up and mentoring junior teammates * Stay updated on technology trends and apply best practices * Solve real problems impacting users Tasks * 3-5 years of software engineering experience with Kotlin or Java in production systems * Comfortable designing RESTful APIs (filtering, versioning, pagination) and reasoning about event-driven architectures, transactions, and resiliency * Solid experience with Spring (Boot) or similar JVM framework, and understanding of relational databases and JPA/ORM * Ability to work independently through ambiguous requirements and debug large codebases * Strong testing habits across unit/integration/system levels with focus on edge cases * Clear communication of technical topics to diverse audiences, including non-technical stakeholders * Experience using AI coding assistants as part of daily workflow while ensuring quality * Willingness to contribute to on-call rotations and incident resolution * Preferably knowledge of financial systems like invoicing and payouts Key requirements * Flexible working arrangements * LinkedIn Learning * Sabbatical & special leave policies * Mobility Credit * Health Insurance * Employee assistance program


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