Backend Software Engineer

About the Company A leading company in AI and automation, specializing in the development of technological solutions that optimize time management and planning. The company is in full expansion, creating a new product category with a disruptive approach, impacting the lives of millions of users globally. Position Overview We are looking for an experienced Backend Software Engineer with a very high level of English to join our Madrid-based team. You will be working closely with our engineering team, collaborating with design and product teams to develop innovative solutions that will revolutionize how people manage their personal lives.

Responsibilities

✅ Design and develop APIs, databases, and scalable backend services.
✅ Work closely with global teams in English.
✅ Participate in code reviews, ensuring high-quality standards.
✅ Mentor and support junior engineers.
✅ Contribute to the technical roadmap, driving innovation.

Requirements

🔹 Very high level of English (C1-C2) – essential for interacting with international teams.
🔹 Over 5 years of experience with Python and frameworks like Django or FastAPI.
🔹 Experience in designing and developing RESTful APIs.
🔹 Knowledge of SQL and NoSQL databases (PostgreSQL, Redis, MongoDB).
🔹 Experience in CI/CD and automated testing.
🔹 Proactive, analytical mindset, and result-oriented.

Nice to Have

🌟 Experience with Celery (background processing).
🌟 Knowledge of WebSockets and streaming.
🌟 Familiarity with LLMs (function calling, streaming).
🌟 Experience with DevOps (Pulumi, Kubernetes, AWS).
🌟 Background in startups.
🌟 Experience with React/React Native and efficient API design.

What the Company Offers

✨ Global impact projects with exciting technical challenges.
✨ A culture of innovation and continuous learning.
✨ Hybrid working with offices in central Madrid.
✨ A team of brilliant engineers.

📩 If you're looking to be part of an international team that's redefining the future of automation, send us your application.

carolina.calvillo@robertwalters.com