DevOps Engineer

• Das erwartet dich

  Responsibilities:

  • Collaborate closely with architects, developers, QA, and security teams to ensure smooth and reliable environment operations.

  • Work in close partnership with the platform team, based on shared ownership, knowledge exchange, and mutual support.

  • Own and operate containerized application platforms based on Docker and Kubernetes, ensuring reliability, scalability, and operational excellence.

  • Design and deliver dynamic test environments at scale, including multiple parallel, per–merge request (branch-based) deployments.

  • Build, maintain, and standardize CI/CD pipelines by creating reusable templates and components in GitLab CI.

  • Drive deployment automation and GitOps practices

  • Identify operational bottlenecks and implement automation to reduce manual effort and improve delivery speed.

  • Embed security-by-design across the SDLC, including pipeline hardening and automated security checks.

  • Build and operate observability platforms: monitoring, logging, and diagnostics (Prometheus, Grafana, ELK/EFK/Loki, etc.).

  • Participate in on-call and incident response, including troubleshooting, root-cause analysis, and post-mortems.

  • Take end-to-end ownership of the solutions you build (“you build it, you run it”).

• Das bringst du mit

  Requirements (Must-have)

  • 5+ years of experience as a DevOps Engineer or SRE in web-based systems.

  • Strong expertise in Docker: image building, maintenance, registries, Docker Compose.

  • Hands-on experience with Kubernetes: deployments, networking, ingress, secrets/configs, troubleshooting.

  • CI/CD expertise with GitLab CI, including deployment automation (Helm or Kustomize).

  • Experience with branch-based / ephemeral environments, or the ability to design and deliver such a solution in practice.

  • Observability know-how: metrics, logs, and tracing with Grafana and related tooling.

  • Ingress / reverse proxy experience (e.g. Traefik or similar): TLS, Let’s Encrypt, routing, mTLS.

  • Security and IAM knowledge: OAuth2 / OIDC, SSO, token and permission management.

  • Excellent communication skills, strong collaboration mindset, and willingness to help others.

  • Fluent English.

• Nice to have

  Nice-to-have:

  • Production experience with ArgoCD / GitOps.

  • Infrastructure as Code and configuration management using Terraform and Ansible (or equivalents).

  • Backend stack exposure: primarily PHP, Go.

  • Datastores and messaging: MariaDB (backup/restore, basic HA), RabbitMQ (monitoring, tuning).

  • Cloud platforms: AWS, Azure, or GCP.

  • Mobile CI/CD experience (bonus only): Fastlane, CodeMagic, Firebase App Distribution.

  • German language skills.

• Our stack

  Our Tech & QA Stack:

  • Languages / Frameworks:
    PHP 8+ (Symfony 6+, Laravel 9+), JavaScript / TypeScript, Go, PHPUnit, Codeception, Flutter/Dart

  • Databases & Messaging:
    MySQL, MariaDB, RabbitMQ, Kafka 

  • Infrastructure & Cloud:
    UNIX/Linux, Kubernetes, Cloud platforms (AWS / Azure / GCP)

  • CI/CD & Delivery:
    GitLab CI, ArgoCD, CodeMagic, Fastlane

  • Containerization & Deployment:
    Docker, Helm, Kustomize

  • Testing & QA:
    Playwright, Python, Dart, Postman

  • Observability & Reliability:
    Prometheus, Grafana, Sentry 

  • Security & IAM:
    OAuth2 / OIDC, SSO, Secrets & Access Management, TLS / Let’s Encrypt

  • AI & Developer Tools:
    JetBrains AI, Cursor, RAG, Google Workspace (G Suite - ecosystem)

  • Collaboration & Productivity:
    Jira, Requirements & Test Management for Jira, Confluence, Slack, IDE (freedom of choice), Google Workspace (G Suite)

• Engineering practices

  Engineering Culture:

  • Agile Scrum + XP elements, Kanban

  • OOP, TDD, DDD, SOLID, Clean Code

  • Code reviews, pull requests, automation mindset

  • QA as part of cross-functional team

• Benefits & Perks

  Benefits and Perks:
  
  

  • Private healthcare

  • Cafeteria system 

  • Training budget €800 per year

  • Integration meetings (internal training, hackathon, integration trips and meetings)

  • Referral Bonus

  • Startup atmosphere

  • No dress code

  • Flexible hours and  working format - remote or hybrid 

  • Modern office, Chillout zone, Standing desk, parking for bicycles, and a cloakroom with showers

  • Regular office lunches and integration meetings

  • Some international travels included

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