Job description

• Senior Java developer responsibilities include designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Able to work autonomously and guide/mentor intermediate and junior developers on the projects he is assigned to
• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Understand client requirements and how they translate in application features
• Perform unit and integration testing before launch
• Troubleshoot and debug applications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

Profile

• Minimum of 7 years of proven experience as developer
• Bachelor / Master’s Degree in Computer Science / Business Information Systems
• Proven experience leading development teams with successful results
• Strong understanding of J2EE architecture and / or Spring
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc.)
• Strong server-side development experience of enterprise applications using Java EE / Spring
• Familiarity with maven, agile practices, JIRA (or similar tools), enterprise and RESTful architectures
• Strong experience in several of the following areas: Java J2EE, Spring, JUnit, SOA principals , REST services, SQL, ORM, JPA, database design, application servers
• Familiarity with best practices for Java and design patterns
• Current knowledge of XML, UML, HTML, Javascript, Linux/Windows
• Proficient understanding of code versioning and CI tools, such as GIT/SVN, Jenkins, Sonar, Nexus
• Good written and oral communication skills in English

Considered as plus:

• ICT and Telecom Business domain understanding
• Knowledge of Apache  Camel, BPM engines,  CXF web services,  Apache AMQ is a strong plus
• Experience in developing front-end (Angular) is a strong plus
• OSGI (Karaf),  Red Hat JBoss AS / EAP , Red Hat SSO , Red Hat Fuse is a strong plus
• PaaS solutions like Cloudfoundry , Openshift
• Microservices, Docker, Containers, Orchestration (Swarm, Kubernetes)

Soft skills:

• Team player who is flexible and able to work with end-users and production issues simultaneously
• Excellent communication skills, must be able to clearly communicate ideas, decisions and reasoning to both technical and non-technical team members
• Ability to work within a fast-paced environment with aggressive timelines
• Technical mindset with great attention to detail
• Creativity in addressing technical challenges / problem solver / analytical skills
• Strong written and verbal skills: English is a must, French, German and / or Luxembourgish considered an asset