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Senior Java Developer

TELEKOM HELLENIC BUSINESS SOLUTIONS SA Luxembourg, Luxembourg

IT Services and IT Consulting · 11-50 employees

Oct 20
java Senior (5-10 yrs) Contractor Luxembourg
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About the role

The Senior Java Developer will develop and maintain web and mobile applications using Java, React, and React Native. They are responsible for defining the technical architecture, ensuring system scalability and security, and overseeing integrations with external APIs and databases.

What they look for

Java React React Native Software Design Patterns Architectural Frameworks REST API Kafka JBoss Oracle DB Github Nexus CI/CD SpringBoot Javascript Backend Development Frontend Development

Requirements

Candidates must hold a Bachelor's degree in a related field and possess over 7 years of relevant Java development experience. Strong expertise in software design patterns, architectural frameworks, and specific technologies like SpringBoot, Kafka, and Oracle DB is required.

Full description

Telekom HBS, part of the Telekom Group, is an ICT Systems Integrator offering a comprehensive suite of ICT Solutions and Services.

Telekom HBS, specializes in delivering ICT Services in areas such as Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services. We are seeking a Senior Java Developer to join our team and be responsible for the following tasks:

  • Develop and maintain web applications using Java (backend) and React (frontend) and mobile applications using React Native.
  • Write clean, efficient, and well-documented code.
  • Integrate third-party APIs and services as needed.
  • Collaborate with UI/UX designers to implement visual designs.
  • Optimize application performance for scalability.
  • Define the architecture and technical stack for mobile and web applications.
  • Ensure scalability, security, and performance in architectural decisions.
  • Oversee integrations with external systems (e.g., APIs, databases).
  • Bachelor's Degree at a related field
  • 7+ years of relevant Java Developer Experience
  • Strong knowledge of software design patterns and architectural frameworks.
  • Expertise in designing scalable, secure, and robust architectures for web applications.
  • Strong understanding and knowledge of:
  • Java J2SE & Java EE (Back End)
  • REST
  • API Gateway, Kafka (Back End)
  • JBoss application server (Back End)
  • Oracle DB (Back End)
  • Github, Nexus
  • CI/CD
  • SpringBoot
  • Javascript, React (Front End)

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