Senior Platform Engineer (San Sebastián)
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Job description
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.Were growing at a rate of more than 150% per year, and our ambition is to become the European leader in our market.RoleWe are seeking a Platform Engineer to own and evolve our Kubernetes-based infrastructure on AWS.Youll 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, wed love to hear from you.What Youll DoOwn 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 containerised 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 optimise 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 Qualifications4+ 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 containerised workloads.Observability experience: Datadog, Prometheus/Grafana, or similar (logs, metrics, APM, alerting).Container expertise: Docker, multi-stage builds, image optimisation, 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-HaveAWS certifications (Solutions Architect, DevOps Engineer, or Kubernetes specialty).Experience with GitOps workflows (ArgoCD, Flux).MongoDB administration experience.Service mesh experience (Istio, Linkerd).FinOps / cost optimisation expertise.Experience with security scanning (Trivy, Snyk, etc.).CI/CD experience for mobile applications (React Native).Familiarity with compliance requirements in fintech.Our Tech StackOrchestration - 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 OfferLong-term contractor relationship with potential for growth.Adaptable remote work within European timezones.Opportunity to own and shape the infrastructure of a fast-growing fintech.Collaborative team environment with offices in Berlin and Brussels.Work on a product that genuinely helps people manage their finances.Location: Remote (Europe) or Hybrid (Berlin/Brussels)Type: Long-term ContractTimezone: CET ± 2 hours overlap required#J-*****-Ljbffr
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 containerised workloads. Observability experience: Datadog, Prometheus/Grafana, or similar (logs, metrics, APM, alerting). Container expertise: Docker, multi-stage builds, image optimisation, 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 optimisation 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.