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Ströer

Outdoor advertising network and digital media

Fullstack Developer - Agentic Coding

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeBerlin, GermanyNo salary listed

About the Job

Requirements

  • Practical software development experience with Java and within the JavaScript/TypeScript environment, including Angular and/or React Native.
  • Interest in digital products and user-focused thinking, including constructively questioning requirements and understanding end-user benefits.
  • Affinity for AI tools such as Claude, ChatGPT, or Copilot, willingness to try new features, and openness to unconventional approaches.
  • Patience when AI workflows do not work immediately and willingness to optimize them.
  • Willingness to collaborate directly and agilely in German and English, and to work with 80% office attendance in the Berlin office (four days onsite and one flexible remote day).

Responsibilities

  • Support the rollout of Agentic Coding in development and work with the team to determine how agents can best be used in coding cycles for features, bugs, and refactoring.
  • Write and maintain production code in Java backends, Angular websites, and React Native apps, using AI assistance.
  • Develop features from the user perspective and use Agentic Coding to rapidly build working prototypes and product features.
  • Test approaches such as Spec-Driven Development and AI-assisted test generation, and assess what works in practice.
  • Share findings, successes, and failures with the onsite team to support organizational learning.

About the Company

Ströer

Outdoor advertising network and digital media

Ströer is a German digital multi-channel media company that combines outdoor advertising with online marketing and e-commerce. Its products run across multiple channels by using its physical advertising network (billboards and pillars) together with online assets like t-online.de to create unified campaigns. The company sets itself apart by offering an integrated, end-to-end advertising ecosystem that connects offline reach with a broad digital portfolio under one platform. Its goal is to be the leading provider of cross-channel advertising in Germany, uniting offline and online media for brands.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Cologne, Germany
Founded
1990

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