Experteer Overview As a (Senior) Software Engineer at Taxfix Group, you will build core features for our flagship tax-app and turn complex tax scenarios into simple, reliable experiences.

You work in a cross-functional team, owning work end-to-end from discovery to deployment, with a focus on scalable, maintainable software and AI-first development.

You'll collaborate with product, design, and platform teams to solve real customer problems and drive measurable outcomes.

This role offers hands-on coding, architecture input, and opportunities to shape technical direction in a fast-growing, international fintech environment.

Compensaciones / Beneficios • Partner with product, design and engineering to shape pragmatic solutions and deliver measurable outcomes • Own end-to-end delivery from discovery through release, monitoring and iteration • Turn ambiguity into action and balance speed with long-term maintainability • Contribute to technical direction and product vision • Leverage AI-assisted tools to accelerate development while maintaining high engineering standards • Evaluate and troubleshoot AI-generated outputs and implement safeguards • Share AI practices and help teammates adopt responsible experimentation • Improve developer experience with automation and practices enabling reliable, frequent delivery • Collaborate across product and platform teams and support a growth-oriented learning culture Responsabilidades • Professional software engineering experience with React and Node.js • Backend services and APIs design experience • Experience with frontend (React) and ideally React Native • Ability to work across system boundaries and collaborate with non-primary engineers • Experience with public cloud environments (Google Cloud, AWS, or Azure) • Familiarity with DevOps concepts including CI/CD, observability, production operations • Understanding of authentication, databases, distributed systems, cloud infra, and API integrations • Builder-first, pragmatic mindset focused on shipping customer value • Passion for maintainable, elegant code and continuous improvement • Collaborative, constructive attitude and willingness to challenge ideas Requisitos principales • free mental health coaching • yoga • monthly versátil spending allowance • employee stock options • 30 annual vacation days • flexible working hours

📌 Senior Software Engineer - Frontend (React) (Madrid)
🏢 Taxfix
📍 Madrid