CareerPlan

Senior Java Backend Developer (m/w/d)

Köln, NORDRHEIN_WESTFALENFull-time2026-11-12
Hybrid

Core

Develop and optimize scalable backend applications using Java and Spring, design REST APIs and event-driven communication, and support a central platform for supplier master data distribution.

Role type

Senior Java Backend Developer

Builds

Scalable backend applications, REST APIs, and a central supplier master data platform

Domain

Retail / Supply Chain Management

Required skills

Java, Spring Framework, REST API design, asynchronous communication, Git, GitLab CI/CD, Maven, Relational Databases, SQL, GitHub Copilot, Claude Code

Preferred skills

Clean code principles, modern engineering practices, proactive problem solving

Technologies

Java, Spring, REST, GitLab CI/CD, Cloud technologies

Responsibilities

Develop and optimize scalable backend applications, design and implement synchronous and asynchronous interfaces, support the development of a central data platform, participate in software architecture conception and documentation, ensure software quality through development standards, work with CI/CD pipelines, support application operations and technical migrations

Seniority

Senior, hands-on IC