CareerPlan

PRODUCT SOFTWARE ENGINEER (BACK END JAVA) (M/W/D)

Köln, NORDRHEIN_WESTFALENRemoteFull-time2026-05-26 → 2026-11-10
Hybrid

Core

Design and implement Java back ends for brand-new and evolving products, translating business goals into domain models and reliable services.

Role type

Senior IC backend software engineer (Java)

Builds

Microservice-oriented products and clean APIs

Domain

Environmental services / Plastics recycling

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, Hibernate/JPA, RESTful API design, relational databases (MySQL/PostgreSQL), Docker, GitLab CI/CD

Preferred skills

React/Next.js/TypeScript, cloud services, test automation

Responsibilities

Design and implement Java back ends, create clean APIs, build GitLab pipelines and Docker images, mentor junior engineers, partner with front-end teams

Seniority

Senior, hands-on IC