Senior Java Developer (m/f/d) Ref. 109355

For our client from the energy sector we are looking for a Senior Java Developer (m/f/d) from 01 November.

#Key Data

Start: 01.11.24

End: 31.10.25

Capacity: Full-time

Location: Remote (90%) / Berlin (10%)

Language: German/ English

Contract: Freelancing

#Tasks

- Producing clean, efficient code based on specifications and guidance

- Developing programs and systems (Java)

- Fixing and improving existing software

- Develop intuitive software that meets and exceeds the needs of the company

- Professionally maintain all software and create updates regularly to address customer and company concerns

- Analyze and test programs and products before formal launch

- Troubleshoot coding problems quickly and efficiently to ensure a productive workplace

- Developing programs to actively monitor the sharing of private information

- Actively seek ways to improve business software processes and interactions

- Coaching and training of development team members on software components, software technology stacks and software development practices to ensure common standards and

knowledge sharing within and across development teams

#Requirements

- IT/tech-related academic degree (bachelor’s or master’s degree)

- 10+ years of experience using Java (-related) technologies, including 3+ years using Spring Boot framework

- Very good knowledge of application development and maintenance (ADM) in the Java world

- Very good knowledge of the Windows and/or Linux-platform

- Good knowledge of web technologies such as React as well as Javascript libraries for web front ends

- Good knowledge of Web integration technologies such as REST, gRPC

- Knowledge about relational database persistence development using SQL Server and Oracle

Databases

- Conceptual knowledge of dependency injection, software design patterns and continuous

integration

- Experience in developing with IntelliJ on Windows

- Experience in working in Scrum teams

#must-have

- Backend (10+ years): Java 8-21 incl. Spring Boot (incl. Spring data, Spring cloud, Spring

security), Hibernate

- Oracle SQL, Oauth2, Camunda, Hazelcast IMDG

- Integration technology (5+ years): REST, AMQP, gRPC, OAS, SFTP

- Frontend (3+ years): React, Swagger, Javascript, Oauth2

- BuildDevOps (5+ years): CI/CD, Git, Jira, Confluence, Bamboo, Bitbucket, Octopus Deploy

- Language skills: English (C1) and German (B2) are necessary

#nice-to-have

- Backend: POJO

- BuildDevOps: Apache Tomcat, JSP, Octopus Deploy

- Frontend: Ant.design, Highcharts, Camunda Cockpit, Hazelcast Management

- Soft skills: Open for new ideas and changes, Passion for learning and growing within a close

team

If you are interested in this vacancy, we look forward to receive your recent English CV and daily rate.