Senior Software Engineer — AI-Driven Builder for Scalable Apps

taxfix.com; Madrid; Presencial; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Mental health coaching

Yoga sessions

30 days vacation

Employee stock options

Work from abroad up to 6 weeks

Dogs in office

Descripción de la vacante

Taxfix is seeking a (Senior) Software Engineer to build core features for our flagship tax product in Madrid. You will work across the stack, delivering reliable experiences with a builder-first mindset, leveraging AI tools, and maintaining high engineering standards in a fast-moving, cross-functional team.

You will contribute to scalable design, quality, and maintainability while collaborating with product, design, and security experts to ship impactful features.

Formación

• Proven professional software engineering experience with React and Node.js.
• Experience designing reliable backend services and APIs.
• React Native experience is a plus.

Responsabilidades

• Collaborate with product, design and engineering to shape pragmatic solutions.
• Own end-to-end delivery from discovery to monitoring and iterations.
• Evaluate and troubleshoot AI-assisted outputs and prompts.
• Contribute to technical direction and product vision.
• Use AI tools to accelerate development while maintaining standards.
• Improve developer experience with tooling and practices.
• Work across teams to foster learning and growth.

Conocimientos

React

Node.js

React Native

Descripción del empleo

Taxfix is seeking a (Senior) Software Engineer to build core features for our flagship tax product in Madrid. You will work across the stack, delivering reliable experiences with a builder-first mindset, leveraging AI tools, and maintaining high engineering standards in a fast-moving, cross-functional team.

You will contribute to scalable design, quality, and maintainability while collaborating with product, design, and security experts to ship impactful features.