{ "$schema": "https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json", "basics": { "name": "Yurii Serhiichuk", "label": "Head of DevOps | Cloud Architect", "email": "yurii@serhiichuk.dev", "summary": "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.", "location": { "address": "Katowice, Poland" }, "profiles": [ { "network": "GitHub", "url": "https://github.com/xSAVIKx" }, { "network": "LinkedIn", "url": "https://www.linkedin.com/in/yuriiserhiichuk/" }, { "network": "Blog", "url": "https://blog.serhiichuk.dev/" } ] }, "meta": { "version": "v1.0.0", "lastModified": "2026-06-18T21:38:15.625Z" }, "work": [ { "name": "Travelshift", "position": "Head of DevOps | Cloud Architect", "location": "Remote", "startDate": "2024-06-01", "summary": "Own Travelshift's infrastructure end-to-end — platform, reliability, security, and developer experience.", "highlights": [ "Cut multi-cloud spend ~65% — through cost-center tagging for cost visibility, right-sizing over-provisioned databases, Redis, and Kubernetes workloads, and consolidating databases into a single cloud.", "Led a four-years-stalled migration of a legacy monolith and microservices from AWS to GCP (GKE Autopilot), delivered in under 8 months with zero downtime — gradual 1%→100% traffic shifting and AWS DMS bidirectional database cutover.", "Lead the DevOps team and act as the company's go-to architect for new initiatives — driving cross-team solution design, architecture decisions, and code review across engineering teams.", "Operate a production multi-cloud platform end-to-end — AWS (EC2, VPC, load balancing, VPN/private links, S3, Route 53, IAM, RDS, ElastiCache, Fargate, Lambda, DMS) and GCP (GKE Autopilot across ~3 clusters of 60–120 nodes, Pub/Sub, Cloud Tasks, Workflows, Cloud SQL, BigQuery, Memorystore) — with Istio, KEDA, and cert-manager on Kubernetes, managed-Prometheus observability, and all infrastructure-as-code in Pulumi (TypeScript, migrated from Terraform) so any engineer can adjust infrastructure safely.", "Own the Fastly CDN and edge platform — reconfigured it end-to-end in VCL (console, CLI, and Pulumi/Terraform), with edge rate-limiting and routing, and ran Fastly as the single control plane for the zero-downtime AWS→GCP migration's cross-cloud traffic split.", "Rebuilt incident management on PagerDuty — from 2 high-priority services to full per-service, database, and cache coverage with automated alerting, escalation routing, and post-mortem workflows.", "Own the secure SDLC — automated security scanning (gitleaks, AI-assisted review) in CI and centralized secrets management across Doppler, Google Secret Manager, and AWS Secrets Manager.", "Drove org-wide adoption of AI-assisted engineering — standardized on Claude Code, rolled out automated AI code review, and built MCP integrations for internal systems." ] }, { "name": "Travelshift", "position": "Lead DevOps Engineer | Cloud Architect", "location": "Remote", "startDate": "2021-11-01", "endDate": "2024-06-01", "highlights": [ "Built the company's first AI assistant — an interactive AI travel guide combining pre-processed itinerary data with LLM APIs.", "Replaced the Google Maps routing API with a self-hosted OSRM service (car, train, and foot routing across Iceland and Europe), later adopted company-wide for significant cost savings.", "Architected the AI/data-generation platform for tight cost control — every subsystem scales to zero or runs fully serverless (Cloud Run, Cloud Functions, GCP Workflows) on reusable Pulumi (Python) components." ] }, { "name": "Upwork (Freelance)", "position": "Independent Consultant", "location": "Remote", "startDate": "2013-06-01", "summary": "Select client engagements alongside full-time roles — consulting on application development and cloud migration.", "highlights": [ "AgencyEZ (US insurance platform) — ongoing architecture lead on AWS (Elastic Beanstalk, RDS, SQS, ElastiCache): Java/MySQL modernization, a from-scratch public API (OpenAPI), AI-powered document processing, an EDI-based carrier-reporting framework, and an offline encrypted enrollment app for restricted, no-internet environments.", "Built and operated a multi-year national serverless quiz platform for Università Bocconi (Cloud Run, Firestore, Flask, Angular) at near-zero idle cost.", "Led a team of 5 remote developers." ] }, { "name": "TeamDev", "position": "Lead Engineer | Cloud Architect", "location": "Ukraine (Hybrid)", "startDate": "2017-10-01", "endDate": "2021-10-01", "summary": "Lead developer for an image-processing cloud-based system.", "highlights": [ "Lead engineer for a contract-only image-processing cloud platform — customer-facing, onboarding teams, and managing up to 5 engineers; architected on domain-driven design, event sourcing, and CQRS.", "Improved system architecture and infrastructure, leading to a 40% infrastructure cost decrease.", "Led the company through the GCP advantage-partnership journey, achieving Service and Build partnership." ] }, { "name": "SYTOSS", "position": "Java Software Engineer", "location": "Kharkiv, Ukraine", "startDate": "2014-11-01", "endDate": "2016-10-01", "summary": "Built and maintained billing and ordering systems for A1 Telekom Austria.", "highlights": [ "Built and maintained A1 Telekom Austria's ordering & billing system (Java 7→8) on Tomcat/EJB with Apache Camel and Spring, integrating the Amdocs process manager." ] }, { "name": "Samsung R&D Institute Ukraine", "position": "Junior Engineer", "location": "Kharkiv, Ukraine", "startDate": "2014-02-01", "endDate": "2014-11-01", "highlights": [ "Co-built a Django/Python platform for automated mobile-app security assessment — pulling apps from connected devices, disassembling them, and running static threat-analysis tooling for the security team." ] } ], "skills": [ { "name": "Cloud & DevOps", "keywords": [ "Google Cloud Platform", "AWS", "Multi-cloud", "Kubernetes", "Istio", "Helm", "Fastly CDN & edge (VCL, Signal Sciences WAF)", "Serverless", "CI/CD (GitHub Actions, CircleCI, Cloud Build)", "Pulumi", "Terraform", "Observability (Prometheus, OpenTelemetry, Grafana)", "Secrets management (Doppler, Secret Manager)", "Load testing (k6)" ] }, { "name": "Languages", "keywords": [ "Java", "Python", "Go", "TypeScript" ] }, { "name": "Data & AI", "keywords": [ "ETL", "Data Engineering", "BigQuery", "AI agents", "MCP", "LLM-assisted engineering" ] } ], "certificates": [ { "name": "Professional Cloud Architect", "issuer": "Google Cloud", "url": "https://www.credly.com/badges/56507f6e-3043-4fc0-acfc-43195aa245b2" }, { "name": "Professional Data Engineer", "issuer": "Google Cloud", "url": "https://www.credly.com/badges/0386ea03-789e-4737-8165-a30848cbdc5d" }, { "name": "Professional Cloud DevOps Engineer", "issuer": "Google Cloud", "url": "https://www.credly.com/badges/3be8c96c-583b-4c8c-bf43-23aa053d53a8" }, { "name": "Professional Cloud Developer", "issuer": "Google Cloud", "url": "https://www.credly.com/badges/2266af1e-f37f-4a85-be14-414b11c842e9" }, { "name": "Certified Kubernetes Application Developer", "issuer": "The Linux Foundation", "url": "https://www.credly.com/badges/760b11c3-ad1b-450a-8c92-a9ff4b9607b5" }, { "name": "Kubernetes and Cloud Native Associate (KCNA)", "issuer": "The Linux Foundation", "url": "https://www.credly.com/badges/33cfa1ae-b956-4166-88ad-c10d2eaa4987" }, { "name": "Oracle Certified Professional: Java SE 11 Developer", "issuer": "Oracle", "date": "2021-04-01", "url": "https://www.credly.com/badges/c9752a4b-3ab8-4d3d-acc7-2bc6c1c287c0" } ], "awards": [ { "title": "Google Developer Expert", "awarder": "Google", "date": "2021-12-01", "summary": "Recognized as a Google Developer Expert in Google Cloud and Modern Enterprise Architectures." }, { "title": "Champion Innovator — Serverless App Development", "awarder": "Google Cloud Innovators", "date": "2021-12-01", "summary": "Recognized as a Champion in Serverless App Development by the Google Cloud Innovators program." }, { "title": "Travel-plan algorithm — US Patent 11,747,153", "awarder": "USPTO (co-author)" } ], "publications": [ { "name": "From Autopilot to Standard GKE: The Key to 15x Cheaper Istio", "publisher": "Google Cloud (Medium)", "url": "https://blog.serhiichuk.dev/" }, { "name": "Is the future of autonomous AI agents already here? Jules API and MCP", "publisher": "Google Cloud (Medium)", "url": "https://blog.serhiichuk.dev/" } ], "education": [ { "institution": "Kharkiv National University of Radioelectronics", "studyType": "Master of Science", "area": "Information Security", "startDate": "2010-09-01", "endDate": "2016-08-01" } ], "projects": [ { "name": "Cloud Workstations: reusable development environments in the cloud", "description": "GDG Cloud Fest Poland & DevFest Kraków 2025", "url": "https://cloudfest.pl/speakers/yurii_serhiichuk" } ] }