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.