Senior Backend Engineer Java (Spring & Kafka) - Barcelona

Indra·Barcelona, Spain

What they offer

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    Indra doesn't mention sponsorship in the ad.

  • Be near Barcelona for hybrid days

    No relocation package mentioned.

  • Have 5+ years of experience

    Senior-level role.

Pulled from the advert automatically — the full ad is what counts.

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About the role

At Indra Group, we protect what matters most.
We lead the development of cutting-edge technological solutions that strengthen national and international security.

💻 Join our team for European projects!
As a leading company in the defense sector, we want to strengthen our team with a Senior Backend Engineer Java for Cyber Defense projects.

What you'll do

  • Develop robust, scalable, and high-performance backend services in cyber defense environments.
  • Design, build, and evolve REST APIs, ensuring their maintainability and security.
  • Work with Java 8+ and Spring in complex, production-grade environments.
  • Design, optimize, and maintain relational databases, primarily PostgreSQL.
  • Participate in defining technical architectures and making key decisions.
  • Apply advanced testing practices (TDD/BDD) to guarantee software quality.
  • Collaborate with multidisciplinary teams using agile methodologies (Scrum/Kanban/SAFe).
  • Implement system integrations using messaging technologies (Kafka).
  • Provide technical mentoring to junior profiles and conduct code reviews.
  • Drive continuous improvement by applying Clean Code principles and good development practices.

What you'll get

  • Stability and Future 🏢✨: Long-term projects at a leading Defense company with over 60,000 professionals, offering financial security.
  • Innovative and High-Impact Projects 🚀: You will work with cutting-edge technologies, with impact both nationally and internationally.
  • Close and Transparent Environment 🤝: You will enjoy direct and fluid communication with managers and colleagues, in a collaborative and open environment.
  • Autonomy and Flexibility ⏳: You will have the freedom to organize your work, with real work-life balance adapted to your pace.
  • Career Plan Tailored to You 📈: Designed to boost your growth and professional development.
  • Continuous Training 📚: through Open University and Udemy for Business (more than 6,000 courses to specialize!).
  • Exclusive Discounts for Your Well-being 🎁: Enjoy perks at gyms, restaurants, leisure, and much more as an Indra employee.
  • Competitive Compensation 💰 and flexible benefit plans 💸📊 tailored to your needs.
  • 💻 Remote work: 60%, 3 days from home, 2 days in the office.

Hiring process

  • Application review 🔍 - We look at your experience and see if you're a fit for what we're looking for.
  • Initial chat (5-10 min) 📞 - If you get a call from an unknown number, it's us. It'll be a relaxed conversation to get to know you and answer any questions.
  • Interview with the talent acquisition team🤝: We want you to get to know us better as a company: values, career paths, etc.... so that both you and the project team can determine if there's a match.
  • Technical interview 🤝 - You'll meet the team, who will explain the project and daily tasks in detail, and will also ask about your knowledge and technical skills. Additionally, we'll send you some brief psychological and English competency assessments (if required) to better understand your profile.
  • Offer and welcome 🎉 - If everything goes well, you'll join our team and we'll start this new chapter together!

🕒 Estimated time: We aim to keep it agile, around 1-2 weeks.

🎯 What are we looking for?

  • Minimum of 5 years of experience as a backend developer.

  • Proficiency in Java 8 or higher and frameworks such as Spring / Spring Boot.

  • Solid experience in designing and implementing REST APIs.

  • Advanced knowledge of relational databases, especially PostgreSQL.

  • Demonstrated experience in testing (TDD and BDD).

  • Experience mentoring junior profiles.

  • Experience working in agile environments (Scrum, Kanban, or SAFe).

  • Experience with messaging systems such as Kafka.

  • Experience with Quarkus, Docker, and quality tools such as SonarQube is a plus.

  • Familiarity with Clean Code and SOLID principles.

  • Ability to work in a team, proactivity, and results orientation.

Additional information

Our commitment is to promote work environments where people are treated with respect and dignity, fostering the professional development of staff and ensuring equal opportunities in their selection, training, and promotion, offering a work environment free of any discrimination based on gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance.

¡INDRA is a Top Employer 2026 company! Join a company certified as one of the best employers in Spain, thanks to our comprehensive HR management and the conditions we offer our professionals.

You'll most likely need Spanish to apply.This job was automatically translated to English, .

About the company

Indra

Indra

IT and Defense

View company profile
Spanish company
57000 employees