Platform Engineer

What is Accountable? 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 Role We 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 Do - Own our Kubernetes platform: Manage and evolve our AWS EKS cluster, including node pools, networking, scaling policies, and cluster upgrades - Optimize autoscaling: Configure and tune Karpenter (node-level) and KEDA (pod-level) to handle traffic spikes efficiently while minimizing costs - Build reliable CI/CD pipelines: Design and maintain GitHub Actions workflows for building, testing, and deploying containerized microservices to production - Drive observability: Own our Datadog implementation for logs, APM, metrics, and alerting-ensuring we catch issues before our users do - Manage secrets securely: Maintain our secrets management flow using AWS Secrets Manager and External Secrets Operator - Support the development team: Collaborate with backend engineers on Node.js/TypeScript services, helping debug performance issues and optimize deployments - Maintain supporting infrastructure: Manage Redis clusters (used for

Bull job queues), ALB ingress configuration, and DNS management - Implement Infrastructure as Code: Use Helm, Kustomize, or Terraform to ensure our infrastructure is reproducible and version-controlled - Respond to incidents: Troubleshoot production issues, conduct post-mortems, and implement preventive measures - Optimize costs: Monitor and reduce AWS spending through right-sizing, spot instances, and efficient resource allocation Required Qualifications - 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.js, TypeScript, Express.js - Frontend - React, React Native What We Offer - Long-term contractor relationship with potential for gr