Senior Software Engineer, Platform & Infrastructure (all genders)

Skip to main contentEnglishEnglishBack to all jobsSenior Software Engineer, Platform & Infrastructure (all genders)Germany (remote), Hannover (remote in Germany)Full-timePermanent employeeApply for this jobYour roleWe are a leading SaaS provider in our field and operate a large number of customerenvironments in our cloud. To ensure that these environments run smoothly, we are looking foryou! Together with your colleagues on the Platform & Infrastructure team, you will beresponsible for the scalability, security, and efficiency of our cloud infrastructure — coveringAWS, Kubernetes, observability, and the internal developer platform that our product teams buildon. We ship continuously — on average 150 deployments to production every month — andyour work is what keeps that pace fast, safe, and sustainable. You will actively contribute toshaping our technical roadmap, mentor engineers around you, and help cultivate a progressiveand learning environment.Your missionOwn and evolve our Kubernetes platform across multiple clusters: manage Helm chart deployments via an OCI registry hosting 40+ charts, enforce policy-as-code with Kyverno, and operate GitOps workflows through Argo CD ApplicationSets with progressive delivery orchestrated by KargoDrive technical designs for platform initiatives: scope the problem, propose multiple solutions, assess their trade-offs, and defend your recommendation — then see it through to productionHarden the platform's security posture: workload identity via OIDC, runtime security, image scanning and secrets managementWrite and maintain custom Kubernetes operators and internal tooling in Go and Python that multiply the team's leverage across clusters — we run Zalando postgres-operator alongside our own operatorsMaintain and improve our observability stack (Prometheus, Grafana, Thanos, OpenSearch): build dashboards and alerts that give product teams real visibility into their servicesKeep GitLab CI/CD pipelines fast and reliable — they power ~150 production deployments per month; execute cross-team changes (rollouts, database migrations, certificate rotations) with care and clear communicationOperate and evolve AWS infrastructure (EKS, VPC, IAM, RDS, S3) including dedicated customer environments in their own AWS accounts; drive cost-efficiency initiatives tracked via OpenCostOwn incidents end-to-end: from alert to fix to postmortemRaise the team's bar through thorough code and architecture reviews, mentor less experienced engineers, and help us assess technical candidates in interviewsBe the infrastructure partner product teams come to when things are unclear or brokenParticipate in a shared on-call rotationYour profileMust-have5+ years of professional engineering experience, including 3+ years in infrastructure, platform, or site reliability engineeringDeep hands-on experience with Kubernetes: cluster operations, workload management, troubleshooting at scaleHelm chart authoring: writing, packaging, and maintaining charts — not just consuming themGitOps experience with Argo CD or an equivalent tool (Flux, etc.)Working knowledge of AWS (EKS and supporting services such as IAM, VPC, RDS, S3)Experience with Infrastructure as Code (Terraform or equivalent)Proficiency in Go or Python — we write custom operators and internal tooling in bothExperience owning production incidents end-to-end — response, mitigation, and postmortemStrong English communication skills, with the ability to explain technical decisions to both engineers and non-technical stakeholdersNice-to-haveKubernetes operator development experience (Kubebuilder or similar)Progressive delivery tooling (Kargo, Argo Rollouts, or equivalent)Policy-as-code experience (Kyverno or OPA)Runtime security tooling (Falco or equivalent)Familiarity with observability tooling (Grafana, OpenSearch/Elasticsearch, or equivalent)Experience with CI/CD pipelines (GitLab CI preferred)Experience mentoring engineers or participating in technical hiringGerman language...