Andrew Steffey
Independent Developer at Backtested Frontier
Yorktown, Virginia, United States
Summary
👤
Senior🎓
Top SchoolAndrew Steffey is an independent developer and seasoned software engineer with 8+ years of professional experience and a track record leading large-scale API services at Amazon Prime Video for millions of users. He specializes in performance optimization and reliability engineering—driving a 76% compute cost reduction and tripling API throughput while maintaining six-nines uptime for live events. His background spans cloud-native serverless architectures, backend systems, and interactive front-ends, exemplified by a self-built portfolio optimization and backtesting platform using genetic algorithms on AWS. Prior work at MITRE and the USAF highlights strengths in networked systems, bandwidth-efficient protocols, and disciplined engineering processes that improved test automation and CI practices. An active contributor to the pact-jvm contract-testing project, he has enhanced JVM testing infrastructure and DSL capabilities, bringing practical improvements to consumer-driven contract testing. Based in Yorktown, Virginia, he combines systems-level rigor with pragmatic product delivery and a knack for measurable operational gains.
8 years of coding experience
17 years of employment as a software developer
Bachelor of Science Computer Science, Bachelor of Science Computer Science at Texas A&M UniversityMaster of Science Computer Science, Master of Science Computer Science at Old Dominion University
English
Stackoverflow
81reputation
111kreached
1answer
0questions
Github Skills (11)
javas10
pact10
test-framework10
junit10
consumer-driven-contracts10
java10
testing10
groovy8
tomcat6
spring-mvc6
spring-boot6
Programming languages (7)
Github contributions (5)
pact-foundation/pact-jvm
Jan 2020 - Jul 2020
JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:13 commits, 6 PRs, 5 comments in 6 months
Contributions summary:Andrew contributed to the Pact JVM project by implementing and enhancing testing infrastructure and core functionalities. They refactored testing frameworks, specifically JUnit5, to use new lifecycle callbacks. They also added features to the Pact DSL, allowing for provider states with parameters and implementing namespace-aware XML matching. These changes improved the flexibility and reliability of contract testing.
contractpactplaybackmockjunit
mitre/pact-jvm
Mar 2020 - Sep 2020
JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
Contributions:9 PRs, 37 pushes, 17 branches in 6 months
contractpactplaybackmockjunit
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