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Senior Java Software Engineer - Data Platform (w/m/d)

Rhein-Sieg-Kreis, Nordrhein-Westfalen💼 Full-time🗓 2026-06-24 → 2026-08-11

Core

Developing a modern data platform as the foundation for a Data Mesh architecture for a client.

Role type

Senior Java Software Engineer (Data Platform)

Builds

Modern data platforms, APIs, and data quality standards for client projects.

Domain

IT Services / Data Engineering / Cloud Native

Deliverable

production ML models | product features | infrastructure

Required skills

Java, Spring Boot, PostgreSQL, Kubernetes, Domain-Driven Design, API-First development, Data Contracts, Row-Level Security, Schema Design, Performance Optimization

Preferred skills

Experience with Claude Code, ADRs (Architecture Decision Records), Data Mesh concepts

Technologies

Java, Spring Boot, Jakarta EE, PostgreSQL, Kubernetes, Claude Code

Responsibilities

Develop and extend the data platform and modern APIs; Discuss technical solutions with the client; Define and implement data quality standards and data contracts; Implement multi-tenant, role, and rights concepts at the database level; Adapt implementations to new project requirements.

Seniority

Senior, hands-on IC

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