Senior Platform Engineer
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Job description
What is Accountable?La siguiente información tiene como objetivo proporcionar a los posibles candidatos una mejor comprensión de los requisitos para este puesto.Accountable is a young fintech/taxtech focused on helping the self-employed automate their accounting and taxes with a simple mobile and web app.We are 80+ people spread across offices in Berlin and Brussels, as well as remote locations throughout Europe.We aim to create a product that is incredibly easy and fun to use, requiring no knowledge of tax or accounting.We're growing at a rate of more than 150% per year, and our ambition is to become the European leader in our market.The RoleWe are seeking a Platform Engineer to own and evolve our Kubernetes-based infrastructure on AWS.You'll be responsible for ensuring our microservices platform is reliable, scalable, and cost-efficient while empowering developers to ship with confidence.Our stack runs on AWS EKS with modern tooling including Karpenter for intelligent node scaling, KEDA for event-driven autoscaling, and Datadog for full observability.If you enjoy working with Kubernetes at scale and have a passion for automation, we'd love to hear from you.What You'll DoOwn our Kubernetes platform: Manage and evolve our AWS EKS cluster, including node pools, networking, scaling policies, and cluster upgradesOptimize autoscaling: Configure and tune Karpenter (node-level) and KEDA (pod-level) to handle traffic spikes efficiently while minimizing costsBuild reliable CI/CD pipelines: Design and maintain GitHub Actions workflows for building, testing, and deploying containerized microservices to productionDrive observability: Own our Datadog implementation for logs, APM, metrics, and alerting-ensuring we catch issues before our users doManage secrets securely: Maintain our secrets management flow using AWS Secrets Manager and External Secrets OperatorSupport the development team: Collaborate with backend engineers on Node.js/TypeScript services, helping debug performance issues and optimize deploymentsMaintain supporting infrastructure: Manage Redis clusters (used for Bull job queues), ALB ingress configuration, and DNS managementImplement Infrastructure as Code: Use Helm, Kustomize, or Terraform to ensure our infrastructure is reproducible and version-controlledRespond to incidents: Troubleshoot production issues, conduct post-mortems, and implement preventive measuresOptimize costs: Monitor and reduce AWS spending through right-sizing, spot instances, and efficient resource allocationRequired Qualifications4+ years of hands-on experience with Kubernetes (AWS EKS strongly preferred)Strong Kubernetes fundamentals: Deployments, Services, Ingress, ConfigMaps, Secrets, RBAC, NetworkPoliciesExperience with Kubernetes autoscaling: HPA, VPA, KEDA, or KarpenterAWS proficiency: EKS, ECR, ALB, Secrets Manager, IAM roles for service accounts, EventBridge, SQS, LambdaCI/CD expertise: Building and maintaining pipelines with GitHub Actions for containerized workloadsObservability experience: Datadog, Prometheus/Grafana, or similar (logs, metrics, APM, alerting)Container expertise: Docker, multi-stage builds, image optimization, container registriesIaC experience: TerraformScripting skills: Bash, Python, or similar for automation tasksWorking knowledge of Node.js/TypeScript: Enough to read code, debug issues, and collaborate with developersRedis experience: Job queues, caching, basic administrationStrong communication skills: Ability to work effectively with distributed teams across EuropeNice-to-HaveAWS certifications (Solutions Architect, DevOps Engineer, or Kubernetes specialty)Experience with GitOps workflows (ArgoCD, Flux)MongoDB administration experienceService mesh experience (Istio, Linkerd)FinOps / cost optimization expertiseExperience with security scanning (Trivy, Snyk, etc.)CI/CD experience for mobile applications (React Native)Familiarity with compliance requirements in fintechOur Tech StackOrchestration - AWS EKS, Kubernetes, Karpenter, KEDACI/CD - GitHub Actions, ECRObservability - Datadog (logs, APM, metrics)Infrastructure - AWS (ALB, Secrets Manager, SQS, EventBridge, SNS)Databases - MongoDB, RedisBackend - Node.xohynlm js, TypeScript, Express.jsFrontend - React, React NativeWhat We OfferLong-term contractor relationship with potential for growthFlexible remote work within European timezonesOpportunity to own and shape the infrastructure of a fast-growing fintechCollaborative team environment with offices in Berlin and BrusselsWork on a product that genuinely helps people manage their financesLocation: Remote (Europe) or Hybrid (Berlin/Brussels)Type: Long-term ContractTimezone: CET ± 2 hours overlap requiredNO RECRUITMENT AGENCIES
Requirements
4+ years of hands-on experience with Kubernetes (AWS EKS strongly preferred) Strong Kubernetes fundamentals: Deployments, Services, Ingress, ConfigMaps, Secrets, RBAC, NetworkPolicies Experience with Kubernetes autoscaling: HPA, VPA, KEDA, or Karpenter AWS proficiency: EKS, ECR, ALB, Secrets Manager, IAM roles for service accounts, EventBridge, SQS, Lambda CI/CD expertise: Building and maintaining pipelines with GitHub Actions for containerized workloads Observability experience: Datadog, Prometheus/Grafana, or similar (logs, metrics, APM, alerting) Container expertise: Docker, multi-stage builds, image optimization, container registries IaC experience: Terraform Scripting skills: Bash, Python, or similar for automation tasks Working knowledge of Node.js/TypeScript: Enough to read code, debug issues, and collaborate with developers Redis experience: Job queues, caching, basic administration Strong communication skills: Ability to work effectively with distributed teams across Europe Nice-to-Have AWS certifications (Solutions Architect, DevOps Engineer, or Kubernetes specialty) Experience with GitOps workflows (ArgoCD, Flux) MongoDB administration experience Service mesh experience (Istio, Linkerd) FinOps / cost optimization expertise Experience with security scanning (Trivy, Snyk, etc.) CI/CD experience for mobile applications (React Native) Familiarity with compliance requirements in fintech Our Tech Stack Orchestration - AWS EKS, Kubernetes, Karpenter, KEDA CI/CD - GitHub Actions, ECR Observability - Datadog (logs, APM, metrics) Infrastructure - AWS (ALB, Secrets Manager, SQS, EventBridge, SNS) Databases - MongoDB, Redis Backend - Node.