DevOps Engineer (B2B)

Location: Remote Maintain and improve production AWS infrastructure (EC2, ECS, RDS, IAM, VPC, S3) and ensure platform reliability and availability. Manage production deployments, troubleshoot infrastructure issues, and improve CI/CD pipelines using GitHub Actions. Modernise legacy infrastructure (EC2/Ansible) and expand Infrastructure as Code using Terraform, Terragrunt, and OpenTofu. Build and automate reproducible test environments using Docker, Kubernetes, and CI/CD workflows. Improve monitoring, alerting, and logging using VictoriaMetrics, Grafana, ELK, CloudWatch, and Sentry. Integrate and maintain security scanning tools (DefectDojo, Semgrep, AWS Inspector, Dependabot, OWASP ZAP) and support infrastructure security improvements. Support the separation of B2B and B2C infrastructure, including AWS environments, access controls, and deployment pipelines. Optimise infrastructure costs, automate repetitive processes, and improve operational efficiency. Collaborate with Development, QA, IT Security, and other engineering teams on infrastructure improvements and incident resolution 5+ years of hands-on experience in DevOps, SRE, or Platform Engineering, ideally in fintech, payments, or crypto. Strong production experience with AWS (EC2, ECS, IAM, VPC, RDS, networking, storage). Solid Linux administration and troubleshooting skills. Practical experience with Docker, Kubernetes, and container orchestration (ECS/EKS). Strong Infrastructure as Code skills using Terraform or similar tools; experience with Ansible. Experience building and maintaining CI/CD pipelines, preferably with GitHub Actions. Experience with monitoring and logging tools (Grafana, Prometheus, ELK, CloudWatch, or similar). Working knowledge of PostgreSQL, Redis, and RabbitMQ from an infrastructure perspective. Scripting skills in Bash, Python, or Go. Understanding of infrastructure security, access management, secrets management, and audit logging. Ability to work independently, troubleshoot production issues, and collaborate across teams. Fluent Russian and English at B2 level or above. Nice to Have Experience with fintech, crypto payment processing, or other business-critical financial systems. Hands-on experience with DefectDojo, Semgrep, Dependabot, or OWASP ZAP. Experience with AWS account separation, infrastructure migrations, or legacy modernisation. Familiarity with VictoriaMetrics, synthetic monitoring, Helm, Helmfile, or Crossplane. Experience with Fireblocks or other custody-related infrastructure. Familiarity with security and compliance standards (PCI DSS, ISO 27001, SOC 2). Work in a remote mode during EU working hours Strong team of professionals and growth opportunities within the company Effective management that listens actively and uses a data-driven approach to guide decisions Important information for applicants: We’ll reach out within two weeks should your profile be a match.