KARINA TITOV
SAN ANTONIO,TX
Summary
Results-driven DevOps Engineer with extensive experience in optimizing infrastructure, automating deployment pipelines, and leading large-scale cloud migrations. Expertise in Kubernetes cluster upgrades, Ansible configuration, and AWS-based solutions, with a strong focus on enhancing system performance and security. Proven track record of reducing operational costs, improving system stability, and accelerating release cycles by implementing best practices in CI/CD and Infrastructure as Code (IaC). Known for bridging the gap between development and operations teams, streamlining processes, and enhancing productivity through cross-functional collaboration. Skilled in building dynamic monitoring systems with Datadog and driving database performance improvements on Aurora. Adept at identifying critical issues, developing scalable solutions, and providing comprehensive technical documentation, with a commitment to continuous improvement and innovation.
Overview
4
4
years of professional experience
Work History
DevOps Engineer
JOOR
03.2021 - Current
- Kubernetes Cluster Upgrades: Performed upgrades on Kubernetes clusters, ensuring zero downtime for production environments, resulting in a 25% increase in system stability.
- Infrastructure Migration: Led the migration of major app services and infrastructure to unified chart base, reducing operational costs by 30% and improving system performance.
- Database Migration: Tested multiple database migration scenarios and migrated databases to Amazon Aurora, increasing database query performance by 40%.
- RBAC Configuration: Configured Role-Based Access Control (RBAC) in Kubernetes clusters for developers, enhancing security and reducing unauthorized access by 50%.
- Ansible Management: Served as the primary point of contact for Ansible-admin work, streamlining playbook deployments and reducing manual configurations by 60%.
- Datadog Dashboard Development: Built and tuned over 15 Datadog dashboards for real-time monitoring, reducing incident response times by 35%.
- Collaboration: Worked closely with JDT teams to identify and fix Python code issues, leading to a 20% decrease in deployment errors.
- Documentation: Authored comprehensive Confluence documents to standardize procedures, resulting in a 40% decrease in onboarding time for new team members.
- Keycloak Support: Resolved client Keycloak user issues, increasing customer satisfaction and reducing support ticket resolution times by 25%.
- Helm Chart Migration: Migrated Helm charts to a new structure with Joorbase and Joorstack, reducing deployment times by 50%.
- CI/CD Implementation: Improved CI/CD pipelines using GitLab and Jenkins, accelerating the release cycle by 40%.
- Database Sanitization: Fixed critical issues in database sanitization scripts, reducing data integrity errors by 30%.
- Infrastructure as Code: Automated infrastructure deployment with Terraform and Ansible, decreasing provisioning time by 60%.
- Cross-Functional Collaboration: Assisted colleagues with Datadog setup and code migration tasks, enhancing overall team productivity.
Java Full Stack Developer
Appddiction Studio
07.2020 - 03.2021
- Effectively utilized version control tools like Git for collaborative development while avoiding code conflicts.
- Enhanced application performance by optimizing Java code and implementing efficient algorithms.
- Maintained up-to-date documentation for codebase, ensuring ease of future maintenance and updates.
- Developed functional databases, applications and servers to support websites on back-end.
- Proved successful working within tight deadlines and a fast-paced environment.
- Ensured application security by integrating authentication mechanisms like OAuth 2.0 or JWT tokens into server-side APIs.
Skills
- Kubernetes
- Docker (containerization)
- AWS
- Ansible (configuration management)
- Terraform (Infrastructure as Code)
- GitLab CI/CD, Jenkins (automation pipelines)
- Python, Bash (scripting)
- Datadog, Grafana, Prometheus (monitoring and alerting)
- Helm (chart migration and deployment)
- PostgreSQL, MySQL (database management)
- Git, GitHub, Bitbucket (version control)
- Confluence, Jira (documentation and project management)
- Linux Operating System
Languages
English
Native or Bilingual
Russian
Native or Bilingual
Timeline
DevOps Engineer
JOOR
03.2021 - Current
Java Full Stack Developer
Appddiction Studio
07.2020 - 03.2021
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