Yurii
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Yurii

DevOps Engineer

5 years of experience

Ukraine 🇺🇦
English (C1)
Interview

Short bio

DevOps Engineer with 5+ years of experience designing, optimising, and scaling cloud infrastructure across AWS, GCP, Azure, and Kubernetes-based environments. Experienced in building resilient platforms, automating delivery pipelines, improving observability, and implementing Infrastructure as Code practices. Worked across outsourcing, outstaff, and enterprise environments in roles ranging from Senior DevOps Engineer to Tech & Team Lead, supporting both greenfield and large-scale production systems. Delivered infrastructure modernisation, Kubernetes migrations, Terraform refactoring, CI/CD improvements, security initiatives, and cloud cost optimisation projects that improved reliability and reduced operational overhead.

Tech stack

Main technologies
KubernetesHelmKustomizeDockerArgoCDCodexClaudeGitGitHub ActionsJenkinsGitlabAWSGoogle CloudAzureTerraformPrometheusGrafanaLokiDatadogMongoDBPostgreSQLMySQLPythonBashPagerDutySOC-2ISO 27001

Work experience

  • Senior DevOps EngineerJul 2025 - Present1 y.

    Handling requests of multiple clients in parallel, delivering a wide range of tasks including developing Terraform modules, investigating customer issues, and integrating existing systems with new infrastructure components.

    Responsibilities:
    • Conducted AWS Well-Architected Framework Reviews (WAFR) for several clients, identifying optimisation opportunities and improving architecture reliability and operational excellence.
    • Independently migrated a client’s application to AWS, including selecting the target architecture, building infrastructure from scratch using Terraform, preparing documentation, and establishing CI/CD processes.
    • Extensively using Agentic AI (Codex, Claude) in day-to-day operations for boosting productivity: analysing documentation, assisting with architectural decisions, interacting with tools using MCP servers and executing complex multi-step tasks.
    • Currently working as the sole outstaff DevOps Engineer for a small startup, helping the client achieve compliance standards (ISO 27001, SOC 2), maintaining and optimising infrastructure, and implementing new solutions. Also, as part of this engagement, fully integrated the client’s applications with Grafana Cloud.
  • DevOps EngineerJun 2023 - Jul 20252 y.

    Led cloud infrastructure optimisation initiatives across AWS, GCP, Azure, and Kubernetes environments, improving scalability, reliability, and operational efficiency.

    Responsibilities:
    • Designed and implemented Infrastructure as Code solutions using Terraform, including cloud migration and infrastructure modernisation projects.
    • Built and optimised Kubernetes platforms (EKS, GKE), including cluster bootstrap, application migrations, and GitOps practices with ArgoCD.
    • Developed and improved CI/CD pipelines using GitHub Actions and CircleCI, significantly reducing deployment and build times.
    • Implemented observability and monitoring solutions with CloudWatch, Grafana, Prometheus, and alerting systems to improve platform visibility and performance.
    • Delivered cloud cost optimisation initiatives, reducing infrastructure expenses by up to 50%.
    • Established secure secrets management and infrastructure governance practices (Terraform Cloud, Vault, External Secrets, GuardDuty).
    • Acted as Tech & Team Lead, mentoring engineers and leading infrastructure delivery across multiple projects.
  • Middle DevOps EngineerNov 2020 - Jun 20233 y.

    Migrated a few applications to Kubernetes.

    Responsibilities:
    • Designed and implemented a workflow for storing images inside ECR for their later deployment to Kubernetes.
    • Participated in migration of monitoring components to Datadog: configuring datadog-agent, custom checks, and writing runbooks.
    • Partially designed and wrote Terraform code for the creation of a lot of Datadog resources.
    • Designed a cost optimisation plan for monitoring infrastructure and successfully implemented it.
    • Participated in the implementation of SOC-2 compliance requirements for the team: enforcing the 'least-privilege' approach for accessing the team's resources, securely configuring GitHub repositories and some AWS resources.
    • Integrated Datadog with PagerDuty and configured all required settings on PagerDuty for it to function correctly for the goals of the team.
    • Designed a security posture improvement plan for Jenkins and participated in its implementation.
    • Designed and implemented code analysis with SonarQube for a few applications.
    • Designed a plan for migration to a newer version of the OS for microservices.
    • Created monitors and dashboards for checking applications performance.
    • Implemented CI/CD practices for a few applications using Jenkins.
    • Completed a lot of 'support' kind tasks: refactor/fix a script, Jenkins job, monitoring check, update version of a package, tune an autoscaler.
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