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Thales

Global defense and aerospace electronics

Java Development Engineer - Critical Systems

Backend EngineeringConfirmed live in the last 24 hours
Full-timeValbonne, FranceNo salary listedIn-person

About the Job

Requirements

  • A Bac+5 qualification from an engineering school or university, or equivalent education, is required.
  • Three to five years of software development experience is required.
  • Strong command of Java and its backend ecosystem, such as Spring Boot or equivalent, is required.
  • Experience with relational databases and object-relational mapping, including SQL and JPA or Hibernate, is required.
  • A culture of testing and software quality is required.
  • The candidate must be willing to work collaboratively through code reviews and exchanges with systems teams.

Responsibilities

  • Develop Java backend services at the core of critical information systems.
  • Participate in requirements analysis and design decisions.
  • Design, implement, and test components, including unit and functional testing.
  • Integrate and verify modules on platforms and in simulated environments.
  • Correct anomalies and maintain delivered systems in operational condition.
  • Contribute to collective code quality through peer reviews, documentation, and continuous improvement.
  • Collaborate with multidisciplinary teams, including systems, IVVQ, architecture, cybersecurity, and product teams.

Desired Qualifications

  • Experience with microservices or modular architectures.
  • Practice with asynchronous exchanges and messaging, such as Kafka or RabbitMQ.
  • Knowledge of concurrent programming and JVM performance.
  • Awareness of application security, including authentication, authorization management, and OWASP.
  • Experience with constrained systems.
  • Experience with the V-model and Agile methods.

About the Company

Thales

Global defense and aerospace electronics

Thales designs and delivers critical technology for aerospace, defense, and digital security. Its products include electronics, software, and data-security systems that power air travel, payments, and modern military platforms, by integrating hardware and software to build systems such as avionics, radar, cybersecurity, and secure communications that collect sensor data and protect networks. It stands out through deep industrial experience, end-to-end solutions across defense, aerospace, and cybersecurity, and a focus on AI and quantum tech, aided by strategic acquisitions and partial state ownership. Its goal is to provide reliable, secure, and connected technologies that support national security, public safety, and everyday life by solving complex security and connectivity challenges.

Company size
10,001+
Company stage
IPO
Headquarters
Meudon, France
Founded
1893

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