Luke Douglas
Sdet engineer
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About
SDET with 4+ years of experience in high-scale adtech systems, specializing in test automation, API testing, and CI/CD within microservices architectures. Proven track record of improving system reliability, reducing regression time, and delivering production-critical quality assurance in distributed systems. Experienced in both white-box and black-box testing, with strong ownership of test strategy, automation frameworks, and production sign-off.
Comfortable working across cross-functional teams in fast-paced environments with high availability requirements. Additionally, 3 years of hands-on development in Python-based microservices and real-time data systems within the cryptocurrency space. Strong interest in fintech and crypto environments where reliability, scalability, and data integrity are critical.
Experienced working with distributed teams and remote collaboration across time zones.
Experience
SDET Engineer / Automation Engineer at SpotX → Magnite (2020 – Present)
SDET with 4 years of experience working on high-scale adtech systems, performing white-box and black-box testing across microservices architectures.
- SDET Engineer (2 Years): Embedded within a dedicated API team performing white-box testing across microservices-based systems
- Designed and executed comprehensive test strategies for new product features and system enhancements
- Built and maintained scalable API automation test suites for high-throughput distributed systems
- Reviewed and signed off production code, identifying critical defects prior to release
- Collaborated closely with developers to improve system reliability, observability, and test coverage
- Delivered testing solutions across multiple teams under tight timelines in high-priority environments
- Conducted full-stack testing (manual + automation) across complex distributed architectures
- Automation Engineer (2 Years): Developed and maintained regression and integration test suites for large-scale adtech platforms
- Designed and implemented a custom black-box automation framework in Java
- Built, maintained, and optimized CI/CD pipelines using Jenkins
- Worked extensively with Docker to create consistent, containerized test environments
- Improved stability and reliability of automated test execution across multiple deployment pipelines
QA Intern (Manual + Mobile Automation) at SaltDNA (2019 – 2020)
QA Intern focused on manual testing and mobile automation framework design and implementation.
- Reported 800+ Jira tickets, directly contributing to product stability and release quality
- Maintained and executed comprehensive manual regression test suites across mobile and backend systems
- Designed and built a mobile automation framework using Appium from the ground up
- Integrated mobile automation into CI/CD pipelines, enabling automated regression testing on build
- Participated in production release validation and QA sign-off processes
- Built strong foundational expertise in QA methodologies, defect tracking, and mobile testing