# Yurii Serhiichuk — Head of DevOps | Cloud Architect

> Google Developer Expert in Google Cloud and Champion Innovator in Serverless App Development. Certified Google Cloud Architect and Data Engineer with 10+ years of enterprise experience leading Java and Python teams. Specializes in high-impact cloud optimization and zero-downtime migration, and in the practical application of AI in DevOps.

Yurii Serhiichuk is based in Katowice, Poland. Contact: yurii@serhiichuk.dev.

**Experience** — [full history, with highlights](https://cv.serhiichuk.dev/#experience).

- Head of DevOps | Cloud Architect — Travelshift (Jun 2024 – Present)
- Lead DevOps Engineer | Cloud Architect — Travelshift (Nov 2021 – Jun 2024)
- Independent Consultant — Upwork (Freelance) (Jun 2013 – Present)
- Lead Engineer | Cloud Architect — TeamDev (Oct 2017 – Oct 2021)
- Java Software Engineer — SYTOSS (Nov 2014 – Oct 2016)

**Skills** — [grouped on the CV](https://cv.serhiichuk.dev/#skills).

- Cloud & DevOps: Google Cloud Platform, AWS (ECS/Fargate, Lambda, RDS/Aurora, DynamoDB, VPC, IAM), Multi-cloud, Linux (CentOS, Amazon Linux), Kubernetes, Docker, Istio & Envoy, Helm, Fastly CDN & edge (VCL, Signal Sciences WAF), Serverless, CI/CD (GitHub Actions, CircleCI, Cloud Build), Pulumi, Terraform, Observability (Prometheus, OpenTelemetry, Grafana, ELK/Elasticsearch), Secrets management (Doppler, HashiCorp Vault, Secret Manager), Load testing (k6)
- Languages: Java, Python, Go, TypeScript, Node.js (Fastify, Next.js), Shell scripting (Bash, zsh)
- Data & AI: GenAI & AI agents, RAG (Firestore vector search), MCP, ETL, Data Engineering, BigQuery, LLM-assisted engineering

Also on the CV, with no public link of their own:

- Education: Master of Science, Security of Information & Communication Systems — Kharkiv National University of Radioelectronics (Sep 2010 – Aug 2016)

## Profile

- [GitHub](https://github.com/xSAVIKx): open-source projects and contributions.
- [LinkedIn](https://www.linkedin.com/in/yuriiserhiichuk): professional profile and posts.
- [Blog](https://serhiichuk.dev/blog/): writing on serverless, DevOps and AI.
- [Website](https://serhiichuk.dev): consultancy site — services, writing and contact.

## Documents

- [Interactive CV](https://cv.serhiichuk.dev/): the canonical CV as a page — experience, skills, certifications, awards, talks, writing.
- [CV (PDF)](https://cv.serhiichuk.dev/cv.pdf): full résumé, ATS-extractable.
- [JSON Resume](https://cv.serhiichuk.dev/resume.json): machine-readable (JSON Resume v1.0.0).

## Certifications

- [Professional Cloud Architect — Google Cloud](https://www.credly.com/badges/56507f6e-3043-4fc0-acfc-43195aa245b2): expires May 2027.
- [Professional Data Engineer — Google Cloud](https://www.credly.com/badges/0386ea03-789e-4737-8165-a30848cbdc5d): expires Sep 2027.
- [Professional Cloud DevOps Engineer — Google Cloud](https://www.credly.com/badges/3be8c96c-583b-4c8c-bf43-23aa053d53a8): expires Oct 2027.
- [Professional Cloud Developer — Google Cloud](https://www.credly.com/badges/2266af1e-f37f-4a85-be14-414b11c842e9): expires Dec 2027.
- [Certified Kubernetes Application Developer — The Linux Foundation](https://www.credly.com/badges/760b11c3-ad1b-450a-8c92-a9ff4b9607b5): expires May 2028.
- [Kubernetes and Cloud Native Associate (KCNA) — The Linux Foundation](https://www.credly.com/badges/33cfa1ae-b956-4166-88ad-c10d2eaa4987): expires May 2028.
- [Oracle Certified Professional: Java SE 11 Developer — Oracle](https://www.credly.com/badges/c9752a4b-3ab8-4d3d-acc7-2bc6c1c287c0): issued Apr 2021.

## Awards

- [Google Developer Expert — Google](https://developers.google.com/profile/u/Serhiichuk): Recognized as a Google Developer Expert in Google Cloud and Modern Enterprise Architectures.
- [Champion Innovator — Serverless App Development — Google Cloud Innovators](https://developers.google.com/profile/badges/community/innovators/cloud/serverless_app_development?u=Serhiichuk): Recognized as a Champion in Serverless App Development by the Google Cloud Innovators program.
- [Travel-plan algorithm — US & EU patents (US 11,747,153 · EP 4,310,742) — USPTO & EPO (co-author)](https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11747153): Two-stage itinerary search under a fixed trip duration: a genetic algorithm selects the regions, then ant colony optimization the points of interest inside them. Granted Sep 2023, assigned to Travelshift.

## Talks

- [Cloud Workstations: reusable development environments in the cloud](https://cloudfest.pl/speakers/yurii_serhiichuk): GDG Cloud Fest Poland & DevFest Kraków 2025.

## Writing

- [From Autopilot to Standard GKE: The Key to 15x Cheaper Istio](https://medium.com/google-cloud/from-autopilot-to-standard-gke-the-key-to-15x-cheaper-istio-d755c1d3866d): Google Cloud (Medium), Nov 2024.
- [Is the future of autonomous AI agents already here? Jules API and MCP](https://medium.com/google-cloud/is-the-future-of-autonomous-ai-agents-already-here-jules-api-and-mcp-fcff1cfc40d2): Google Cloud (Medium), Oct 2025.