DevOps Engineer

Das erwartet dich Responsibilities

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

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

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

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

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

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Drive deployment automation and GitOps practices

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

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

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

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

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

Das bringst du mit Requirements (Must-have)

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

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

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

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

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

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

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

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

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

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Fluent English.

Nice to have Nice-to-have

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Production experience with ArgoCD / GitOps.

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

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Backend stack exposure: primarily PHP, Go.

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

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Cloud platforms: AWS, Azure, or GCP.

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

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German language skills.

Our stack Our Tech & QA Stack

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

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Databases & Messaging: MySQL, MariaDB, RabbitMQ, Kafka

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

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

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Containerization & Deployment: Docker, Helm, Kustomize

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Testing & QA: Playwright, Python, Dart, Postman

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Observability & Reliability: Prometheus, Grafana, Sentry

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

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

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

Engineering practices Engineering Culture

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Agile Scrum + XP elements, Kanban

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OOP, TDD, DDD, SOLID, Clean Code

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Code reviews, pull requests, automation mindset

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QA as part of cross-functional team

Benefits & Perks Benefits and Perks

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Private healthcare

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Cafeteria system

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Training budget €800 per year

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

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Referral Bonus

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Startup atmosphere

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No dress code

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Flexible hours and working format - remote or hybrid

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

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Regular office lunches and integration meetings

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Some international travels included