Senior Java/Kotlin/Angular Fullstack Developer – GIS Environment

Project overview

For the modernization and new development of web-based environmental applications, we are looking for experienced Java/Kotlin developers.

Existing applications are being modernized and supplemented with new web solutions and shared services. A focus is on the development of data-processing specialist applications, including GIS and geodata functions.

Responsibilities

Backend development with Java/Kotlin and Spring Boot

Frontend development with Angular and TypeScript

Development and integration of REST APIs

Database development with relational databases

Processing and integration of geo and attribute data (GIS)

Development of microservices and containerized applications

CI/CD, automated tests, and technical documentation

Modernization of existing software architectures

Requirements

Experience with Java or Kotlin and Spring / Spring Boot

Angular and TypeScript for fullstack tasks

Oracle or comparable relational databases

Kubernetes, Docker, microservices, and CI/CD

REST APIs and relational databases (SQL)

GIS/geodata processing, especially point, line, or area geometries and attribute data

At least 12 months of relevant experience in the development of web-based specialist applications

Completed university degree with proof

German language skills at least C2

Experience with public administration

Relevant certificates in IT security or agile methods

Desirable:

disy Cadenza Workbooks or comparable GIS integrations

Keycloak / IAM

Software QA, testing, and IT security

Requirements management and technical conception

Experience with public administration or environmental specialist applications

Framework Data:

Project details

Earliest 01/2027

Until the end of 2027 with an option for extension (up to 4 years)

remote, by arrangement in Karlsruhe

Utilization: Full-time

Contract Type: Freelance

• Start: 2027-01
• Duration: 12 Monate
• Remote: remote
• Location: Karlsruhe, Deutschland, DE
• Languages: German