Senior Python Backend Engineer, Hybrid

Description

Senior Python Backend Engineer At Indra Group, we protect what matters most. We develop advanced technological solutions that strengthen national and international security, participating in high-impact European strategic projects. Join our backend development team We are looking to strengthen our team with a Senior Backend Python engineer to lead the design and evolution of robust, secure, and scalable backend architectures for critical defense-related projects. What will your responsibilities be? * Design and lead the development of scalable, high-performance backend services. * Develop and optimize backend solutions in Python using frameworks such as FastAPI, Flask, or Django. * Define and ensure compliance with code quality, efficiency, and security standards. * Lead backend architecture design, participating in key technical decisions. * Define and oversee testing strategies, including unit tests, test coverage, and automation. * Drive continuous integration and automated application deployment. * Provide technical coordination to other developers, promoting best practices and technical growth. * Collaborate closely with other teams (frontend, DevOps, architecture, product). * Participate in evaluating and researching new technologies and technical approaches. * Document technical solutions and contribute to continuous product improvement. What are we looking for in you? It is not necessary to meet 100% of the requirements—we want to get to know you and understand what you can bring. Essential Requirements * Degree in Computer Engineering or equivalent. * Minimum 5 years of experience designing, developing, and optimizing Python backend systems. * Solid experience with FastAPI, Flask, or Django. * Proficiency in ORM, unit testing, code coverage tools, and quality control. * Experience with CI/CD and automated deployment. * Proficiency in Git and collaborative work within technical teams. * Demonstrated ability to lead backend technical design. * Experience in technical coordination with other developers. * B2 level or higher English proficiency, both written and spoken. Desirable Requirements * Knowledge of authentication and authorization. * Proficiency in SQL and familiarity with Java. * Experience with event-driven architectures (e.g., Kafka). * Knowledge or experience in MLOps and artificial intelligence. * Experience with Scrum or Kanban. * Familiarity with GitLab, CI/CD pipelines, and deployment automation. * Participation in technological research activities or evaluation of new solutions. Valuable Certifications * Certifications in Python or backend architectures. * Certifications in agile methodologies or software quality. Personal Skills * Strong analytical ability and technical vision. * Clear communication and influence skills. * Proactivity, responsibility, and excellent organizational skills. * Adaptability to change and orientation toward continuous improvement. * Teamwork and collaborative mindset. What do we offer you? * Stability and future: Long-term projects at a leading Defense company with over 50\.000 professionals. * Innovative projects: Cutting-edge technology with national and international impact. * Close and transparent environment: Collaborative culture and direct communication. * Autonomy and flexibility: Real work-life balance and a hybrid work model. * Personalized career plan and technical growth. * Continuous training: Open University and Udemy for Business (\+6\.000 courses). * Competitive compensation and flexible benefits. * Benefits and discounts across multiple services. Selection Process * Profile review * Initial contact (5–10 minutes) * Technical interview * Interview with Talent Acquisition * Offer and onboarding * Estimated process duration: 2 weeks Observations This position is subject to internal security, verification, and compliance requirements specific to the defense sector. INDRA is Top Employer 2026 Join one of the best companies in Spain to build your technology career. Python, FastAPI, Flask, Django, ORM, CI/CD,