Staff Software Engineer

The role

You will build core features for the flagship product by turning complex tax scenarios into simple experiences. You will work hands-on in a cross-functional team using AI and modern engineering tools to deliver outcomes.

What you will do

• Partner with product management, design, and engineering to deliver measurable outcomes.
• Own work end to end from discovery and technical design through implementation and monitoring.
• Turn ambiguity into action and make sound trade-offs.
• Contribute to technical direction and strategy.
• Use AI-assisted development tools to accelerate engineering work.
• Evaluate, validate, and troubleshoot AI-generated output.
• Share effective AI-assisted development practices with teammates.
• Improve developer experience through tools, automation, and engineering practices.
• Collaborate across product and platform teams.

Required qualifications

• Professional software engineering experience (React, Node.js).
• Experience designing reliable backend services and APIs.
• Able to work effectively across system boundaries and collaborate with engineers outside your primary specialism.
• Use AI-assisted development tools in daily engineering work.
• Able to evaluate and troubleshoot AI-generated output and use effective prompting.
• Experience working with a public cloud environment such as Google Cloud, AWS, or Microsoft Azure.
• Familiarity with DevOps concepts and practices, including CI/CD, observability, and operating software in production.
• Understanding of core application and backend concepts such as authentication, databases, distributed systems, cloud infrastructure, and API integrations.
• A builder-first, pragmatic approach.
• Passion for writing maintainable, elegant code and continuously improving how software is built.
• A collaborative, positive attitude and a willingness to challenge ideas constructively.
• A builder mindset.

Nice to have

• React Native experience

Benefits

• Free mental health coaching sessions and yoga.
• A monthly allowance to spend on an extensive range of services.
• Employee stock options.
• 30 annual vacation days.
• Flexible working hours.
• Work from abroad for up to six weeks every year.
• Opportunities to socialise as a team.
• Free tax declaration filing through the Taxfix app.
• Internal support for all personal tax-related questions.
• Dogs are welcome in the office.

About the company

Taxfix Group includes brands Taxfix and Steuerbot. The team consists of over 400 professionals and has facilitated more than 3.5 billion euros in tax refunds since 2016.