~/umitozdemir

Ümit Özdemir

QA Manager · Test Automation Architect

mail@umitozdemir.com · www.linkedin.com/in/umttozdmr · github.com/umitozdemirf

Summary

I build test automation and release gates for cloud-native teams, and I test how their systems behave under load and failure. Leading QA at HEPAPI. Before that, QA engineering and consulting for fintech, e-commerce, telecom and cloud-service clients since 2018.

Experience

  1. QA Manager, HEPAPI

    2023 – Present · London · remote
    • Own QA strategy across product teams; introduced chaos engineering and resilience testing into the release process.
    • Built the test automation pipelines in Java and Playwright that gate every release.
    • Mentor the QA engineers. Release cycles got shorter once quality checks moved earlier in delivery.

  2. QA Engineer, Firefly Inc.

    2022 – 2023 · San Francisco · remote
    • Wrote Python service tests for GCP-hosted services and used BigQuery and Logs Explorer to debug from production logs.
    • Worked day to day in Kubernetes-native environments alongside developers to ship on schedule.

  3. QA Consultant, kloia

    2019 – 2022 · London
    • Delivered automation consulting to more than ten e-commerce and fintech clients: UI, API, mobile and performance.
    • Migrated and modernised legacy test suites to Selenium, Cucumber, Karate and Appium stacks in Python, Java, Ruby and JavaScript.
    • Ran performance benchmarks with k6, Gatling and Locust; hosted webinars on mobile test platforms.

  4. Software Developer, NETAS

    2019 · İstanbul
    • Built SCIM and SSO integrations for a telecom client and migrated about 100,000 users to Azure AD; containerised deployments with Docker.

  5. Software Developer, bisigortaci.com

    2018 · İstanbul
    • Insurtech web platform on .NET Core with an MVC, n-tier layout. Most of the time went into fixing problems users reported.

Focus

  • Automation architecture. Playwright, Selenium, Appium, Karate and Pytest suites that a team can still maintain long after I leave. Page Object and BDD structure, reporting and CI are in from the first commit.
  • Performance & resilience. Load and soak tests with k6, Gatling and Locust, fault injection with Gremlin. The point is to see the failure in a test run before a customer does.
  • Cloud-native quality. Test environments on Kubernetes and Docker across GCP, AWS and Azure. Quality gates in GitHub Actions, Azure Pipelines and GitLab CI. CKA certified.
  • AI-assisted QA. Using LLMs for test design, output checks and regression triage, and writing the agents and skills that make that work repeatable.

Skills

Languages
Python, Java, JavaScript / TypeScript, Go, Ruby, Bash
Test frameworks
Playwright, Selenium, Appium, Karate, Pytest, Cucumber / Behave, Godog, Cypress
Performance & chaos
k6, Gatling, Locust, JMeter, Gremlin
Platform
Kubernetes, Docker, GCP, AWS, Azure, Linux
Delivery
GitHub Actions, Azure Pipelines, GitLab CI, Jenkins, Allure
AI
LLM evaluation, Agentic workflows, Claude Code skills, Synthetic test data

Certifications

Languages

Turkish (Native) · English (Professional)