Omar Guzman Valerin
Software Developer in Test (SDET)
Specializing in backend automation, CI/CD validation, and scalable test frameworks across modern cloud and mobile platforms.
My Skills
Experience & Education
Software Quality Assurance Developer
Toptal — October 2020 – Present
Providing end-to-end QA for global clients — backend & frontend automation, CI/CD pipeline validation, and cross-platform testing. Skilled with Pytest, Selenium, Docker, and more. View my profile.
Senior QA Automation Engineer
Moody’s Analytics — April 2024 – Present
Leading test automation across CI/CD pipelines. Specializing in API, UI, and performance testing for cloud-native applications using Playwright, Robot Framework, and Python.
Software Engineer in Test
Sysdig — November 2022 – April 2024
Automated backend and web testing using Python and Cucumber. Managed testing of Kubernetes clusters and cloud provisioning (AWS, GCP, Azure) using CLI, Terraform, and Ansible. CI/CD with Jenkins and GitHub.
Senior QA Automation Engineer
Instawork — November 2021 – October 2022
Focused on mobile automation for iOS & Android using BrowserStack and Jenkins. Developed automated test cases and performed PR reviews within agile teams to ensure product quality.
Let’s Connect
Whether you want to collaborate, discuss a project, or just say hi — feel free to reach out!