JustPlay GmbH is looking for a Developer Experience Engineer (all genders). In this role, you will drive how we build, ship, and run software by making engineering teams faster, more reliable, and better supported through infrastructure, tooling, and workflows. You’ll combine SRE practices, infrastructure design, and a product mindset to improve our engineering systems and culture.

What You'll Do

Use DORA metrics to identify bottlenecks and lead improvements across the SDLC.
Enable self-service deployment, testing, and observability workflows.
Lead reliability initiatives and system hardening efforts.
Improve on-call experience with better tooling and clear processes.
Support engineering teams during incidents, ensuring smooth communication and technical guidance.
Design, maintain, and improve our K8s-based infrastructure.
Investigate and implement deployment strategies (e.g., blue/green, canary, shadow) that fit our systems and org size.
Work closely with teams to define safe rollout patterns and rollback processes.
Maintain and evolve cloud infrastructure on GCP.
Own CI/CD pipelines and platform services used across teams.
Ensure stability, scalability, and security of shared infrastructure.
Research and recommend developer tools that match real needs and workflows.

What We're Looking For

5+ years in roles like SRE, DevOps, or platform engineering.
Strong experience with Kubernetes (design and debugging in production).
Solid knowledge of GCP infrastructure and core services (GKE, IAM, CloudSQL, Pub/Sub, etc.).
Proficiency in Infrastructure as Code.
Deep understanding of CI/CD systems and deployment pipelines.
Programming experience in Java, although Kotlin is preferred.
Familiarity with DORA metrics and how to measure/drive developer productivity.
Strong debugging and incident response skills across infrastructure and application layers.
Good communication skills, you can work with engineers, PMs, and leadership to surface trade-offs and align on priorities.

Nice to Have

GitOps workflows.
Experience rolling out or managing developer platforms or internal tooling portals.
Familiarity with canary deployments, blue/green, feature flags, and other rollout strategies.
Exposure to observability stacks.
Background in software engineering (you understand SDLC firsthand).
Experience evaluating and rolling out third-party tools for developer experience.

Technical Stack

Kubernetes, GCP, GKE, IAM, CloudSQL, Pub/Sub, Java, Kotlin

Benefits & Compensation

Flexible working hours and options for digital nomads, occasional office visitors, or regular office-goers.
Employee Stock Options: Opportunity to join our Virtual Share Option Program (VSOP).
Free personal coaching through our partner nilo.health for mental health support.
A competitive personal development budget of up to 2000€/year for training, conferences, workshops, etc.
Free language courses with Chatterbug.
25 vacation days.
Free Gympass gold subscription.
Free monthly Deutschland-Ticket.
Monthly €50 tax-free internet contribution.
State-of-the-Art Equipment provided.
A Relocation Package including visa support.
Berlin Office Perks: Ergonomic setup, free daily lunch, and a dog-friendly environment.