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Mid-level / Senior Java Developer (m/f)

Hybride

ARHS GroupLuxembourgPubliée le 2 octobre 2026ESN · statut freelance à confirmerVoir l'annonce sur le site de l'entreprise

≈ 500 – 750 €/jS'inscrire pour postuler

À propos de cette mission

We are expanding our internal development teams and are looking for a Mid-level or Senior Java Developers to join ARHS Group, part of Accenture. This role offers a hands-on opportunity to work on microservice-based platforms using Java and Spring Boot in a collaborative, international environment.

Responsibilities

  • Design, build, test, and maintain backend applications using Java and Spring / Spring Boot.
  • Develop scalable microservices and REST APIs aligned with modern architectural standards.
  • Contribute to technical design discussions and participate in code reviews to maintain high-quality coding practices.
  • Integrate systems with databases, messaging platforms, and authentication services, following security and compliance guidelines.
  • Collaborate with developers, architects, business analysts, QA, and DevOps teams to deliver end-to-end features.
  • Troubleshoot production issues and contribute to improvements in performance, reliability, and observability.
  • Support CI/CD processes and automation alongside the DevOps team.
  • Maintain clear technical documentation and share knowledge within the team.

Required profile

  • 4+ years of experience (Mid-level) or 7+ years of experience (Senior) in professional software development.
  • Strong hands-on expertise with Java and Spring / Spring Boot.
  • Solid experience designing and building RESTful APIs, microservice architectures, and unit/integration testing (JUnit, Testcontainers or similar).
  • Experience working with both relational and non-relational databases (e.g., PostgreSQL, MongoDB).
  • Practical knowledge of Kafka or Kubernetes (strong proficiency in at least one of these is required).
  • Comfortable working in collaborative Agile environments.
  • Strong communication skills and a team-oriented mindset.
  • Fluency in English (written and spoken).

BONUS POINTS IF YOU HAVE:

  • Experience with Angular for basic to intermediate frontend development.
  • Experience developing Kubernetes operators or working with advanced Kubernetes features.
  • Familiarity with GraphQL (Apollo Federation is a plus).
  • Knowledge of Open Policy Agent (OPA) or security policy frameworks.
  • Exposure to eventual consistency patterns or distributed system design.
  • Experience with Go (Golang) or Node.js backend development.
  • Experience with Knative or other serverless/container platforms.

Conditions

Our roles require in-person time to encourage collaboration, learning, and relationship-building with colleagues and partners. As an employer, we will be as flexible as possible to support your specific work-life needs.

Informations clés

LocalisationLuxembourg
TélétravailHybride
TJM estimé≈ 500 – 750 €/j

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.

Candidature sur le site d'origine

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