Indra is a leading global technology and consulting company and a major player in the defense and transportation sectors. As one of the largest Spanish multinationals, it operates through two main brands: Indra, focusing on Defense and Transport, and Minsait, which handles Information Technology and Digital Transformation. The company is a key partner in major international projects, including the development of the Eurofighter and the FCAS (Future Combat Air System).

Headquartered in Madrid, Indra maintains a massive footprint across Spain with specialized centers in cities like Barcelona, Seville, and Gijón. For international professionals, Indra offers a stable environment within a high-tech ecosystem, frequently hiring for roles in AI, cybersecurity, and aerospace engineering. The company provides various flexible work arrangements, including remote-first positions for specific technical roles and a strong focus on professional development.

Formed in 1993 from the merger of several Spanish technology companies, Indra has grown into a global leader in defense and IT. It is currently a constituent of the IBEX 35 index and has expanded significantly through international acquisitions.

For international professionals

Major employer for STEM profiles, particularly in aerospace, defense, and digital transformation.
Offers flexible work models, including hybrid and 100% remote options for many IT and software engineering roles.
Key participant in large-scale European defense and infrastructure projects, offering exposure to cutting-edge technology.
Provides opportunities for internal mobility across its global operations in over 140 countries.
Regularly hires for highly specialized engineering roles such as Radar Systems, RF Design, and AI Engineering.

This job was published 3 months ago

Senior Python Backend Engineer. Barcelona

Indra

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

Senior Backend Engineer (Python)

📍 Barcelona (Madrid) | Hybrid model

Indra Group, Tech for the future

At Indra Group, we lead the development of cutting-edge technological solutions that drive digital transformation in complex and high-impact environments. We work with modern architectures, scalable systems, and multidisciplinary teams on innovative projects both nationally and internationally.

🚀 Join our backend development team!

We are looking to incorporate a Senior Backend Engineer (Python) to participate in a strategic, long-term project with a clear technical and leadership component.

What will you do?

🔹 Design and lead the construction of scalable backend services in Python
🔹 Define backend architectures with FastAPI, Flask, or Django
🔹 Ensure code quality, efficiency, and security
🔹 Define testing practices, unit tests, and coverage
🔹 Participate in the implementation of CI/CD and automated deployments
🔹 Provide technical coordination for other developers
🔹 Collaborate on authentication and authorization systems
🔹 Optimize data models and SQL queries
🔹 Work with event-based architectures (Kafka)
🔹 Evaluate and incorporate new technologies, including MLOps and AI
🔹 Collaborate in Scrum or Kanban environments

What are we looking for in you?

Don't worry if you don't meet 100% of the requirements. We want to meet you!

✅ Essential requirements:

✔️ Degree in Computer Engineering or similar
✔️ +5 years of backend experience with Python
✔️ Experience with FastAPI, Flask, or Django
✔️ Proficiency in ORM, testing, coverage, and best practices
✔️ Experience in CI/CD
✔️ Advanced use of Git and collaborative work
✔️ Technical leadership capability
✔️ English B2 (oral and written)

➕ Desirable requirements:

⭐ Authentication and authorization
⭐ Advanced SQL and familiarity with Java
⭐ Kafka and event-driven architectures
⭐ Experience in MLOps and AI
⭐ GitLab and CI/CD pipelines
⭐ Scrum / Kanban methodologies

🎓 Valued certifications:

📌 Python, backend architectures, agile methodologies, or software quality

💡 Personal skills:

High analytical capacity · Clear communication · Proactivity · Technical vision · Teamwork · Organization

What we offer

✨ Stability and future in a leading company with over 50,000 professionals
✨ Innovative projects with real impact
✨ Close and collaborative environment
✨ Hybrid model and real work-life balance
✨ Personalized career plan
✨ Continuous training (Open University and Udemy for Business - +6,000 courses)
✨ Discounts and benefits for your well-being
✨ Competitive remuneration and flexible compensation

What is our selection process like?

Profile review
First contact (5-10 min)
Technical interview + competency and English tests
Offer and welcome

⏱️ Estimated time: 1-2 weeks

At Indra Group, we promote a work environment based on respect, equal opportunity, and professional development, free from any type of discrimination.

🏆 INDRA is a Top Employer 2025 company
Be part of one of the best employers in Spain.

View original advert (Spanish)

Senior Backend Engineer (Python)

📍 Barcelona (Madrid) | Modelo híbrido

Indra Group, Tech for the future

En Indra Group lideramos el desarrollo de soluciones tecnológicas punteras que impulsan la transformación digital en entornos complejos y de alto impacto. Trabajamos con arquitecturas modernas, sistemas escalables y equipos multidisciplinares en proyectos innovadores a nivel nacional e internacional.

🚀 ¡Únete a nuestro equipo de desarrollo backend!

Queremos incorporar un/a Senior Backend Engineer (Python) para participar en un proyecto estratégico y de largo recorrido, con un claro componente técnico y de liderazgo.

¿Qué harás?

🔹 Diseñar y liderar la construcción de servicios backend escalables en Python
🔹 Definir arquitecturas backend con FastAPI, Flask o Django
🔹 Garantizar la calidad, eficiencia y seguridad del código
🔹 Definir prácticas de testing, pruebas unitarias y cobertura
🔹 Participar en la implementación de CI/CD y despliegues automatizados
🔹 Coordinar técnicamente con otros desarrolladores
🔹 Colaborar en sistemas de autenticación y autorización
🔹 Optimizar modelos de datos y consultas SQL
🔹 Trabajar con arquitecturas basadas en eventos (Kafka)
🔹 Evaluar e incorporar nuevas tecnologías, incluyendo MLOps e IA
🔹 Colaborar en entornos Scrum o Kanban

¿Qué buscamos en ti?

No te preocupes si no cumples el 100%. ¡Queremos conocerte!

✅ Requisitos imprescindibles:

✔️ Grado en Ingeniería Informática o similar
✔️ +5 años de experiencia en backend con Python
✔️ Experiencia con FastAPI, Flask o Django
✔️ Dominio de ORM, testing, cobertura y buenas prácticas
✔️ Experiencia en CI/CD
✔️ Uso avanzado de Git y trabajo colaborativo
✔️ Capacidad de liderazgo técnico
✔️ Inglés B2 (oral y escrito)

➕ Requisitos deseables:

⭐ Autenticación y autorización
⭐ SQL avanzado y familiaridad con Java
⭐ Kafka y arquitecturas event-driven
⭐ Experiencia en MLOps e IA
⭐ GitLab y pipelines de CI/CD
⭐ Metodologías Scrum / Kanban

🎓 Certificaciones valorables:

📌 Python, arquitecturas backend, metodologías ágiles o calidad del software

💡 Habilidades personales:

Alta capacidad analítica · Comunicación clara · Proactividad · Visión técnica · Trabajo en equipo · Organización

Lo que te ofrecemos

✨ Estabilidad y futuro en una empresa líder con más de 50.000 profesionales
✨ Proyectos innovadores con impacto real
✨ Entorno cercano y colaborativo
✨ Modelo híbrido y conciliación real
✨ Plan de carrera personalizado
✨ Formación continua (Open University y Udemy for Business - +6.000 cursos)
✨ Descuentos y beneficios para tu bienestar
✨ Retribución competitiva y compensación flexible