> Markdown version of [/jobs/ext/3364385-senior-software-engineer-backend](https://www.wearedevelopers.com/jobs/ext/3364385-senior-software-engineer-backend). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (Backend) - **Company:** Navan - **Location:** Berlin, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Software Quality, Distributed Systems, Java Virtual Machine (JVM), Systems Architecture, Spring-boot, Backend, Information Technology, Api Design, Microservices - **Published:** September 4, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=41232f3305d4898b ## About the Role * 4-6 years of experience building and scaling complex systems in fast-paced, high-growth, or large-scale environments (open to exceptional candidates with less experience). * Java & Spring Mastery: Proficiency in Java and Spring Boot, with a solid understanding of JVM performance and optimization. * AI Integration: Proven experience leveraging AI models and AI-driven development to build intelligent, automated features and enhance engineering productivity. * Systems Architecture: Strong experience with distributed systems, microservices, and API design, including practical expertise with AWS or other cloud platforms. * Product Experience: Hands-on experience developing and maintaining consumer-facing or core business products at scale. * Ownership Mentality: A record of delivering production-quality, maintainable code, and supporting features post-release through monitoring and troubleshooting. * Cross-Functional Collaboration: Collaborative team player able to work effectively with global, cross-functional partners. * Technical Excellence: Commitment to engineering best practices in testing, documentation, scalability, and code quality, coupled with a passion for tackling technically demanding and customer-impacting challenges. * Education: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. Bonus Qualifications * Fintech or payments processing experience is a plus. * Comfort with financial or workflow-heavy domains: expenses, payments, ERP, tax, or similarly high-stakes data. ## Description Navan has transformed the corporate travel, payment, and expense landscape by consistently prioritizing user needs. We are seeking a Senior Software Engineer (Backend) for our AI-first engineering team to drive the architecture of a next-generation corporate expense management platform. In this role, you will scale backend systems powering global commerce, payments, issuing platforms, and payment/money ledgers, while building infrastructure for automated policy management, granular admin controls, and seamless accounting system integrations. What You'll Do * Build at Scale: Design and develop robust, high-performance features and core services that support the company's flagship product and serve a global customer base. * Solve Complex Problems: Apply deep technical expertise and creativity to address large-scale engineering challenges, driving improvements in reliability, performance, and user experience. * Deliver Customer-Facing Solutions: Take end-to-end ownership of features-from design and development to deployment and operational support-ensuring exceptional quality and value for users. * Collaborate Across Teams: Work effectively as part of a global, cross-functional team, partnering with fellow engineers, product managers, designers, and business leaders to deliver impactful solutions and elevate team performance. * Contribute to Engineering Culture: Champion best practices in code quality, scalability, documentation, monitoring, and testing, fostering a culture of technical excellence, collaboration, and continuous improvement. * Learn and Grow: Stay engaged with new technologies and industry trends, bringing a growth mindset and a passion for delivering elegant solutions to complex problems.