Senior Software Engineer

Join Taxfix as a Senior Software Engineer and play a key role in building core features for our flagship product. You'll work in a cross-functional team, bringing deep expertise in either frontend or backend engineering, and help raise the bar for scalable design, quality, maintainability, and AI-first software development. Enjoy a range of benefits, including a chance to do meaningful work, holistic wellbeing support, employee stock options, and a generous learning budget.

Missions

• Construire des fonctionnalités essentielles pour le produit phare de l'entreprise, en transformant des scénarios fiscaux complexes en expériences simples et fiables.
• Collaborer avec la gestion de produit, le design et l'ingénierie pour comprendre les problèmes des clients, façonner des solutions pragmatiques et livrer des résultats mesurables.
• Utiliser des outils de développement assistés par l'IA dans votre travail d'ingénierie quotidien pour accélérer l'exploration, la mise en œuvre, les tests, le débogage et la documentation tout en maintenant des normes d'ingénierie élevées.

Profil recherché

- Use AI-assisted development tools in your daily engineering work to accelerate exploration, implementation, testing, debugging, and documentation while maintaining high engineering standards

- Able to work effectively across system boundaries and collaborate with engineers outside your primary specialism

- Professional software engineering experience (React, Node.js) and designing reliable backend services and APIs. Experience with React Native experience is a plus

- You embrace trying things out over waiting for perfect conditions, ship early to learn fast, and treat iteration as progress

- A collaborative, positive attitude and a willingness to challenge ideas constructively

- Able to evaluate and troubleshoot AI-generated output, use effective prompting where relevant, and share practical learnings with teammates

- Understanding of core application and backend concepts such as authentication, databases, distributed systems, cloud infrastructure, and API integrations

- Experience working with a public cloud environment such as Google Cloud, AWS, or Microsoft Azure

- A builder-first, pragmatic approach: You turn customer problems into shipped outcomes. You take initiative, test and learn quickly, and make clear trade-offs between speed, quality, maintainability, and risk

- Familiarity with DevOps concepts and practices, including CI/CD, observability, and operating software in production

- Passion for writing maintainable, elegant code and continuously improving how software is built

- You have a builder mindset. You thrive in environments where things are still taking shape, take initiative to move ideas forward, and find ways to create impact even when the path isn't fully defined