Senior Java Software Engineer (German-speaking)

We are looking for a senior German-speaking Java software engineer as a contractor with strong Xtend, Xtext, MDSD knowledge for the following project:

Project start: November 2025

Duration: 2 years+

Capacity: 133 hours per month

Location: Almost 100% remote - Rare onsite meetings might be necessary in Germany.

Application from: From Europe only

Skills:

- Java

- Spring / Spring Boot

- Hibernate

- Xtext

- Xtend

- MDSD (model-driven architecture)

- DDD (domain-driven design)

- DSLs - domain-specific programming languages (nice to have)

- REST APIs

- Kafka

- Accessibility according to BITV 2.0 or WCAG (nice to have)

- Eclipse plugins

- Eclipse Language Server

- Jenkins

- Kubernetes

- Kustomize

- Helm

- CI/CD pipelines

- OAuth 2.0

- OpenID Connect

- SSO procedures

- Pact contracts

- Jira

- Confluence

- Scrum

- German (fluent)

- English (fluent)

Tasks:

Architecture & Framework

Generation of user interfaces while ensuring accessibility

Design and implementation of model-driven architecture

Maintenance and further development of domain-specific programming languages

Maintenance and further development of transformers/code generators

Management of sessions (persistence and restoration)

Modularization of the internal architecture according to DDD

Integration into SSO procedures

Ensuring authentication and authorization

Maintenance and further development of the reference implementation of the framework

Lifecycle management of runtime components

Generation of interfaces (REST and Kafka)

Test automation

Maintenance and further development of the test automation platform

Maintenance and further development of the test automation dashboard

Validation of Pact contracts in the CI/CD pipeline

Build and operational support

Maintenance and further development of build pipelines using Jenkins

Further development of the configuration mechanism

Support in providing the application configuration

Creation and adaptation of Kubernetes configurations

Implementation of security requirements

Maintenance and further development of monitoring tools

Developer support

Maintenance and further development of the development environments

Integration of Eclipse Language Server

AI support for development with DSLs

Contact person for technical questions

IT security

Central contact person for communication with security teams

Organization of pen tests, action planning, audits

Monitoring compliance with security guidelines

Maintaining and monitoring automatic security evaluations

Creating, maintaining, and reporting on the security status

Cross-functional tasks

Participation in daily meetings

Participation in weekly risk and problem meetings

Participation in Kubernetes platform meetings

Preparation and moderation of community of practice meetings

Preparation and implementation of workshops

Holistic architecture review

Participation in various exchange meetings

Knowledge transfer for new employees and trainees

Documentation of results

If yo meet the a/m requirements please send your CV and hourly rate expectation to our info@altshiftpartners.com email address.