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Accepting applications until: 23 October 2026
Job Description
Your Role: Java Developer – Digital Out of Home
Are you a Java Developer looking to be part of a team building cutting-edge, event-driven systems that power millions of digital advertising moments every day?
As a Java Developer within our Digital Out of Home (DOOH) team, you’ll help develop the programmatic advertising platform that powers all digital assets across Global’s outdoor estate — from large roadside signs to the Transport for London network. You’ll work with modern Java microservices (Java 21, Spring Boot) deployed on Kubernetes (EKS on AWS), using CI/CD pipelines (Jenkins, Terraform) and observability tools such as Prometheus and Grafana, on a platform that runs 24/7, 365 days a year.
Key Responsibilities
- Feature Development & Platform Evolution (35%)
Design and build new features for the DOOH platform, extending the architecture to support future capabilities on the roadmap. - Collaboration & Delivery (25%)
Work closely with other developers, tech leads and product owners to understand requirements, discuss implementation options and ensure smooth integration across services. - Code Quality & Standards (20%)
Follow established coding standards, development processes and best practices to produce clean, well-tested and maintainable code. - Deployment & Support (20%)
Contribute to deploying services to production, troubleshooting issues and helping support and maintain production infrastructure as part of a team that owns its services.
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What You’ll Love About This Role
- Think Big: Help develop a world-class dynamic ad insertion platform that delivers personalised experiences for millions of people every day.
- Own It: Be part of an agile team with the autonomy to solve complex challenges and make impactful technical decisions.
- Keep it Simple: Build reliable, elegant solutions using a modern, scalable technology stack.
- Better Together: Work in a close-knit, collaborative team, partnering with technical and product stakeholders in a supportive environment.
What Success Looks Like
In your first few months, you’ll have:
- Contributed high-quality code, following good development practices and participating actively in code reviews.
- Delivered new ad delivery capabilities that are live in production and seen by millions of people.
- Helped support and maintain production infrastructure as part of the team’s “you build it, you run it” ethos.
- Worked with the team to shape the product roadmap, balancing platform improvements with new feature requests from the business.
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What You’ll Need
- Java & Backend Skills: Strong experience with modern Java (ideally Java 21), Spring Boot and relational databases.
- Event-Driven Systems: Experience with event-driven architectures and publish-subscribe systems such as Kafka or AWS SNS/SQS.
- Quality Mindset: A focus on writing well-tested, maintainable and observable code.
- DevOps & Cloud: Familiarity with CI/CD pipelines (e.g. Jenkins, Terraform) and cloud-based environments, ideally AWS EKS and Kubernetes.
- Collaboration & Learning: A proactive, collaborative approach and a willingness to learn and work with other languages and technologies across Global’s ecosystem.
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