Oleh Bloshenkin Profile
Currently Not Seeking

Engineering Manager | Developer Experience (DevEx)

9+ years building internal developer platforms and high-performing teams. Serving 1,500+ engineers across multiple studios.

obloshenkin@automation-lead ~
๐ŸŒ Remote โœˆ๏ธ Open to Relocation ๐Ÿ‡ต๐Ÿ‡ฑ Warsaw, Poland (GMT+1) โšก DevEx & Platform Engineering

About Me

I'm an Engineering Manager with 9+ years in high-load gaming (Playtika), scaling Internal Developer Platforms from 500 to 1,500+ engineers.

My focus is Developer Experience (DevEx) and Platform Engineering โ€” building self-service tooling that enables developers to ship faster, with less friction and fewer incidents.

I led a cross-functional team (12 engineers) delivering AI-powered automation, self-service tooling, and Kubernetes infrastructure โ€” reducing deployment time by 40%, support tickets by 93% through AI/ChatOps, and infrastructure footprint by 80% via Kubernetes migration.

I hire for talent density, coach engineers to grow from individual contributors to tech leads, and stay ~30% hands-on: architecture discussions, code reviews, and technical decision-making.

9+

Years Experience

12

Team Members Led

4

Roles at Playtika

1,500+

Engineers Enabled

Professional Experience

Engineering Manager | Platform (DevEx)

Playtika 11/2021 โ€“ Present ยท Vinnytsia โ†’ Warsaw

Lead cross-functional engineering team (12 engineers: 8 backend, 4 frontend) building Internal Developer Platform serving 1,500+ engineers across multiple game studios. Own platform architecture, technical roadmap, and delivery of self-service tooling.

Key Achievements

  • Scaled Internal Developer Platform from 500 to 1,500+ engineers โ€” modernized architecture with React microfrontends (Module Federation), Python FastAPI, Kafka, and Temporal; reduced deployment time by 40% with one-click multi-studio deployments and automated rollback
  • AI-powered developer assistance โ€” dual-channel system (MS Teams Bot + in-platform assistant) with Glean.io integration; 150+ tickets/week, reduced miscategorized tickets by 93% (from ~30/week to ~2/week) and resolution time by 60%
  • Mobile Submissions Pipeline โ€” fully automated deployments across 5 stores (Google Play, App Store, Amazon, Samsung, Microsoft) using Temporal workflows with approval gates
  • One-click Datacenter Failover โ€” disaster recovery for 20 game studios with automated health checks and rollback
  • Backstage Integration โ€” wrapped as MFE for service catalog, ownership tracking, and scaffolder templates across all game studios
  • Migrated orchestration from Netflix Conductor to Temporal, improving platform reliability and reducing operational complexity

People & Delivery Management

  • Hired 5 engineers (2 backend, 3 frontend); grew 1 developer from Corporate IT to Senior Frontend capable of leading technical initiatives; promoted 2 engineers to Tech Lead
  • Conduct quarterly performance reviews, 1-on-1s, coaching, and career development planning
  • Partner with Product, QA, Architecture, and Infrastructure teams; manage sprint planning (Scrum/Kanban), delivery timelines, and stakeholder communication
  • Act as Product Owner defining platform features and priorities

Technical Involvement (~30%)

  • Code reviews (Python, TypeScript/React, Automation)
  • Architecture discussions on microservices design, orchestration patterns, and platform scalability

DevOps Lead | Platform Engineering

Playtika 12/2019 โ€“ 11/2021 ยท Vinnytsia, Ukraine

Led DevOps team (5 engineers) transitioning from VM-based architecture to Kubernetes and building self-service developer tooling.

  • Containerized and migrated VM-based services to Kubernetes, shutting down ~1,000 VMs and reducing infrastructure footprint by 80%; managed K8s cluster operations for high-load gaming workloads
  • Led RCA and implemented preventive actions, reducing production incidents by 80% through improved observability, automated health checks, and proactive monitoring
  • Built standardized CI/CD pipelines in Jenkins and TeamCity with Terraform-based infrastructure provisioning; reduced manual deployment operations by 50%
  • Developed internal developer portal (Python backend, JS/TS frontend) enabling self-service deployments for 500+ developers
  • Implemented automated client builds, deployment workflows, and active-passive failover for 20 game studios
  • Created REST APIs for infrastructure automation integrating Jenkins, TeamCity, and Artifactory; led migration from legacy monoliths to microservices

Automation Developer | DevOps Engineer

Playtika 04/2016 โ€“ 12/2019 ยท Vinnytsia, Ukraine

Dedicated DevOps automation engineer supporting multiple game studios. Focused on building internal tooling, CI/CD pipeline automation, and reliable delivery processes.

  • Designed and implemented CI/CD processes using Jenkins and TeamCity; automated build, test, and deployment workflows with canary deployments and rolling updates
  • Developed Python frameworks and CLI tools for deployment automation used by QA and DevOps teams
  • Automated infrastructure provisioning using Terraform, Docker, and Ansible; maintained DevOps stack (Jenkins, TeamCity, Artifactory)

System Administrator

Hostpro UA 2012 โ€“ 2016 ยท Vinnytsia, Ukraine
  • Managed 200+ production Linux/Windows servers achieving 99.5% uptime SLA; administered web/mail/database servers (Apache, Nginx, Postfix, MySQL, PostgreSQL) with Zabbix/Nagios monitoring
  • Automated routine operations with Bash/Python scripts, reducing manual tasks by 50%

Skills & Expertise

Leadership & Management

Engineering Management Team Leadership Hiring & Coaching Performance Management Stakeholder Management Delivery Planning Agile / Scrum / Kanban

Platform Engineering & DevEx

Internal Developer Platforms CI/CD Pipelines Infrastructure as Code GitOps Self-Service Tooling Kubernetes Docker Helm Terraform Ansible

Technologies & Tools

Python (FastAPI, pytest) TypeScript (React, Nest.js) Kafka Temporal TeamCity Jenkins GitHub Actions AWS (EC2, ECS, S3, RDS) Backstage

Monitoring & Observability

Prometheus Grafana Kibana Sentry ELK Stack

Get In Touch

Feel free to reach out via email or LinkedIn to discuss interesting projects and collaboration opportunities.

Download CV
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