Sergei Medvedev Email & Phone Number

Nicosia, Cyprus

Nicosia, Cyprus

- Managed essential company-wide software development tools like Gitlab, TeamCity, AutoDevOps, as well as their infrastructure. Mostly Kubernetes clusters and GCP.- Led a company-wide project that united various departments in migrating our CD system to ArgoCD, from its design to implementation.- Developed and designed the solution to handle ArgoCD deployment configurations and GitOps state repositories for 100+ services of the product accross tens of regions and environments.- Assumed the role of a technical mentor, providing guidance and support to team members on technical matters. (Gitlab CI, monitoring, helm charts, ArgoCD)- Orchestrated technical debt meetings, introducing an innovative approach for progress tracking.- Led troubleshooting sessions during major incidents, ensuring swift resolution.- Contributed to the quarterly OKR planning process for the department, aligning objectives with organizational goals.

- Implemented CI/CD pipelines for new service types while seamlessly integrating them with existing internal tooling based on existing design (Helm, Kubernetes, Gitlab CI).- Executed the migration of internal Gitlab infrastructure in Kubernetes from an on-premises environment to Google Kubernetes Engine (GKE).- Enhanced Gitlab CI security by implementing HashiCorp Vault integration with JWT authentication.- Held full accountability for the internal developer sandbox platform based on Gitlab AutoDevOps.- Introduced a method for calculating and maintaining SLAs/SLOs for the services managed by the department.- Elevated Gitlab infrastructure to meet the standards outlined in the reference architecture guide for high availability, achieving a 99.9% SLO.- Maintained and improved the current cloud infrastructure, promptly addressing issues during on-call shifts.- Developed and maintained Helm charts used for product deployment and dynamic staging environments.- Redesigned the in-house dynamic staging system to support multi-chart architecture using helmfile.- Successfully integrated the Spotify Backstage developer platform into departmental operations, including a service catalog and technical documentation repository.

tickdata.comManaged the entire company's AWS infrastructure, including ELB, ElasticBeanstalk, EC2, S3, AppStream, MongoDB, PostgreSQL, OneTick, and Java (Spring).- Led the switch to Terraform and Ansible for smoother infrastructure management.- Oversaw project troubleshooting and monitoring to ensure smooth operations.- Reduced AWS costs by following best practices.- Designed a solution to efficiently share market data with customers using S3.onetick.comCreated a new CI pipeline for OneTick DB-based solutions.- Developed multi-project pipelines with Gitlab CI for faster and more reliable development.- Set up Gitlab runners in Kubernetes for smooth CI/CD processes and code deployment.