Developer Experience Engineer (all genders)

JustPlay is looking for a DevEx Engineer to join our Engineering team. In this role, you will help build and maintain the infrastructure, tools, and processes that make software development easier and more efficient for our engineering team. You will work closely with developers to improve deployments, simplify access to cloud resources, and create a reliable platform that enables teams to build and ship products faster.

Job Responsibilities

• Own and manage multi-tenant GKE clusters, ensuring scalability, reliability, and a seamless developer experience.

• Implement and maintain Istio service mesh, enabling secure service communication, traffic management, and observability.

• Manage GCP infrastructure through Infrastructure-as-Code, providing reusable and scalable solutions for development teams.

• Drive GitOps practices and optimize the ArgoCD ecosystem for automated and reliable deployments.

• Standardize deployment workflows through Helm, Kustomize, and internal templates to accelerate service delivery.

• Build and improve self-service developer platforms (e.g. Backstage) for provisioning environments, databases, and access.

• Provide developers with robust observability tools including dashboards, logging, and tracing for autonomous troubleshooting.

• Partner with engineering teams to continuously improve the overall developer experience and platform adoption.

Job Requirements

• Experience designing, deploying, and maintaining Google Kubernetes Engine (GKE) clusters in a multi‑tenant environment.

• Strong knowledge of service mesh technologies, particularly Istio, for traffic routing and observability.

• Proficiency with Infrastructure‑as‑Code (IaC) tools and practices on Google Cloud Platform.

• Hands‑on experience with GitOps pipelines using ArgoCD (or similar) for continuous delivery.

• Ability to create and maintain reusable deployment templates (Helm, Kustomize, etc.) for microservices.

• You communicate fluently in English, both written and spoken.

Job Benefits

• Work-Life Balance and Flexibility: Flexible working hours and options for digital nomads, occasional office visitors, or regular office-goers

• Mental Health Support: Free personal coaching through our partner nilo.health to support our team members to live fulfilled lives at home and at work

• Training & Development: A competitive personal development budget of up to 2000€/year for training, conferences, workshops, etc., and free language courses with Chatterbug

• Germany-Based Benefits: 25 vacation days, free Wellhub gold subscription, free monthly Deutschland-Ticket, and a monthly €50 tax-free internet contribution

• State-of-the-Art Equipment: Doesn’t matter if you are a MacBook or Windows user; we will provide you with the technical gear you need to succeed

• A Relocation Package: Includes visa support for those who need it

• Berlin Office Perks: Ergonomic setup, free daily lunch, and a dog-friendly environment.

• Engaging and Diverse Work Environment: Join a diverse team, with over 29 nationalities working from 20 different locations

*Benefits may vary depending on location and contract type. Do not hesitate to ask us about more details on our benefits offer.

About us

Come join the team building the engine behind rewarded mobile gaming – making playtime truly rewarding. At JustPlay, we’re on a mission to power a fairer, more sustainable rewarded gaming ecosystem where users earn real value for their time through a self-sustaining modell.

Since launching in 2020, we’ve grown into one of the world’s leading rewarded gaming platforms, with 25M+ downloads and 500K+ daily active users. Headquartered in Berlin and backed by NCSoft, one of the world’s leading gaming companies, we continue to operate fully independently – combining the speed, ownership, and ambition of a startup with the long-term backing of a global gaming powerhouse.

With a team across 20+ countries, we’re shaping a major shift in mobile gaming – and it’s still early enough for you to make your mark. At JustPlay, you’ll build end-to-end, move fast, and ship work that reaches millions – in a company that’s profitable, built to last, and focused on outcomes over hype.