Senior Software Engineer – Backend

🕒 May 5

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Taxfix

WebsiteLinkedInAll Job Openings

201 - 500 employees

Interested in becoming a Taxfixer? Explore our open roles: https://taxfix.de/en/careers/

📋 Description

• Build, maintain, and continuously improve core shared services and internal tools that power stable, intuitive user experiences for both Taxfix and Steuerbot. • Design and implement scalable, reliable backend systems and architecture that enable core functionality across Taxfix and Steuerbot. • Collaborate across teams to design, ship new features and share capabilities, working pragmatically beyond the boundaries of your immediate team. • Contribute to shaping the long-term technical direction of core backend services, bringing both depth of expertise and a pragmatic, outcome-focused mindset. • Contribute across the team’s stack, including occasional frontend work on internal tooling. • Take ownership, remove blockers, and help the team stay focused on what matters most.

🎯 Requirements

• You bring strong backend engineering experience and a proven track record of building and evolving complex, scalable systems in production environments. • You are highly proficient in at least one modern programming language, and experience with Go is strongly preferred. • You have solid experience with modern software architecture concepts, including API design, databases, and cloud-based systems - and hands-on experience integrating a diverse range of third-party and internal APIs. • You are comfortable with containerization and DevOps concepts, with practical experience using tools like Kubernetes. • You care deeply about code quality - writing performant, maintainable, and elegant code is something you take genuine pride in, and you have a natural affinity for the full stack of what it takes to ship great software. • You are familiar with AI-assisted development tools like Claude Code, and understand how to use them thoughtfully to support better, faster engineering. • You’re a pragmatic, hands-on builder: someone who cuts through complexity and enjoys turning ideas into well-crafted solutions. • You’re collaborative, direct, and outcome-oriented, and thrive in cross-functional environments where people work closely together to solve problems. • German language skills are a plus, as this team works closely with Germany-specific tax logic.

🏖️ Benefits

• A chance to do meaningful, people-centric work with an international team of passionate professionals. • Holistic well-being with free mental health coaching sessions and yoga. • A monthly allowance to spend on an extensive range of services that you can use and roll over as flexibly as you like. • Employee stock options for all employees—because everyone deserves to benefit from the success they help to create. • 30 annual vacation days and flexible working hours. • A generous learning budget to support your personal and professional development and guidance from our internal L&D experts. • Work from abroad for up to six weeks every year. Just align with your team, and then enjoy your trip. • Plenty of opportunities to socialise as a team. In addition to internal meetups, our international team hosts regular get-togethers—virtually and in person when possible. • Free tax declaration filing, of course, through the Taxfix app—and internal support for all personal tax-related questions. • Have a four-legged friend in your life? We’re happy to have dogs join us in the office.