Senior DevOps Engineer

Sumsub is a leading full-cycle verification platform that enables scalable compliance. From identity and business verification to ongoing monitoring, our platform adapts to different risk appetites and market demands, ensuring global compliance. It allows customizing analytics and workflows with a no-code interface. Over 4,000 clients — including Bitpanda, Wirex, Avis, Bybit, Vodafone, Duolingo, Kaizen Gaming, and TransferGo — trust Sumsub to accelerate growth, prevent fraud, and maintain compliance worldwide. Now we are looking for a DevOps Engineer to maintain and evolve our core AWS and Kubernetes infrastructure. This role is an exciting opportunity to take full ownership of diverse infrastructure tasks with high autonomy in a stable product environment. What You Will Be Doing: Collaborate with development teams to plan, deploy, and administer applications in AWS and Kubernetes. Monitor, troubleshoot, and maintain Kubernetes clusters and cloud infrastructure. Implement and develop infrastructure-as-code using Terraform, Helm, and Ansible. Handle a wide range of general platform tasks across different infrastructure areas. Automate and improve development and release processes using GitLab and Argo CD. Perform root cause analysis for infrastructure production errors.Proven experience in product-led companies with a focus on long-term stability. High level of autonomy and ability to research and solve complex tasks independently. Deep understanding of Kubernetes and Helm Charts. Experience with major cloud platforms (AWS, GCP). Proficiency in Terraform, Ansible, and Helm. Experience with monitoring stacks like Prometheus, VictoriaMetrics, and Grafana. Pragmatic mindset and ability to work effectively with established, evolving projects. Strong communication skills and ability to articulate technical thoughts clearly. Nice to Have: Experience with GitOps practices and Argo CD. Knowledge of MongoDB, Clickhouse, Elasticsearch, or Kafka. Understanding of Service Mesh (Istio, Envoy) or Cilium. Familiarity with Terragrunt.