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Senior Java DeveloperHybride

NEOFACTOLuxembourgPubliée le 16 septembre 2026ESN · statut freelance à confirmerVoir l'annonce sur ictjob.lu

≈ 550 – 750 €/jS'inscrire pour postuler

À propos de cette mission

We are looking for a Senior Java Developer to participate in the projects of a financial institution in Luxembourg

Responsibilities

  • Participate in the analysis of technical and functional requirements
  • Design, develop, and maintain back-end applications in Java Spring Boot
  • Develop and optimize APIs and application services
  • Perform unit tests and ensure code quality
  • Collaborate with project teams in an agile environment and contribute to technical decisions

Required profile

  • You have at least a Bachelor Degree in IT
  • You have strong professional experience as a software engineer working with Java and modern Spring Boot applications (Java 17; preferably Java 21 or higher)
  • You have a solid understanding of modern application architecture, including microservices, clean APIs, modular backend design, and frontend-backend integration (React + Spring Boot).
  • You have a solid experience in both designing and coding complex applications
  • You have some experience with relational databases.
  • You have a strong knowledge of REST services, Kafka, and JSON‑based integration patterns.
  • You have a strong knowledge of JUnit/TestNG and mocking frameworks such as Mockito.
  • You have a good understanding of Agile/Scrum.
  • Some experiences in React is an plus

What the company offers

  • Working in a Great Place to Work based in Luxembourg
  • Attractive salary and pretty cool benefits (meal vouchers, mobile subscription...)
  • Develop your skills and ideas over a coffee, a beer or a pizza during our Neo'vations
  • Evolve within a strong company culture, you'll join us for the opportunity and you'll stay because we're super cool (well according to 98% of our employees NEOFACTO Annual Survey 2024)
  • Between afterworks, innovative workshops and ski weekends, there's never a dull moment when you're part of the Neo'Squad

About the company

Created in 2000, NEOFACTO is a major player that supports companies in their digitalization. Navigating between the creativity of startups and the experience of large groups, NEOFACTO has the ability to position itself and adapt to all projects. Guided by our passion for innovation, we support our customers with the goal of pioneering the new technologies and commercial models of tomorrow. Are we a dynamic and innovative team? Yes! And above all, a team that is united and driven by a very strong corporate culture. We share and cultivate common values to build together the NEOFACTO of tomorrow! You will join us for an opportunity and stay for the people around you.

Compétences

JavaSpringbootkafkaReact

Informations clés

LocalisationLuxembourg
TélétravailHybride
TJM estimé≈ 550 – 750 €/j
Expérience requise5+ ans
LanguesEN

Fourchette estimée par notre IA à partir de l’annonce et des tarifs freelance publiés au Luxembourg : l’entreprise n’a pas publié de tarif. À confirmer lors de l’échange. Cette société de services n’a pas précisé le statut ; les ESN acceptent le plus souvent des freelances. Postulez en 1 clic, nous vérifions avec elle.

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