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Justin DeClark

@justindeclark

Performance Test Engineer specializing in GNSS data analysis, Python scripting, and performance optimization.

United States
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What I'm looking for

I seek a collaborative, engineering-driven team role where I can apply performance testing, GNSS analysis, and Python automation to improve product reliability and scalability.

I am a detail-oriented Performance Test Engineer with experience designing, implementing, and optimizing performance tests for software and hardware systems. I focus on GNSS data analysis using Python scripting, test case design from MRD/PRD specifications, and producing clear engineering reports.

At Trimble I used JIRA, Zephyr, Git/GitHub, and Agile practices to track issues, run regression and exploratory tests, and collaborate with developers and product owners to improve product quality. I have experience benchmarking, troubleshooting releases, and traveling to customer beta sites to validate real-world performance.

Earlier roles include an engineering internship where I trained coworkers on VT Designer, managed 40+ test customers, calibrated sensor systems, and automated processes with bash scripting. I bring strong problem-solving skills, attention to detail, and a passion for uncovering inefficiencies and ensuring reliable product outcomes.

Experience

Work history, roles, and key accomplishments

Trimble logoTR
Current

Performance Test Engineer

Jun 2021 - Present (4 years 7 months)

Design and execute performance tests for software and hardware, analyze GNSS data with Python to validate system capabilities, and publish engineering reports to document qualification results and optimizations.

HI

Engineering Intern

Headsight Inc.

Jun 2018 - May 2021 (2 years 11 months)

Provided subject-matter expertise on VT Designer, trained coworkers, managed relationships for 40+ test customers, calibrated sensor systems, and automated internal processes with bash scripting.

Education

Degrees, certifications, and relevant coursework

Trine University logoTU

Trine University

Bachelor of Science, Computer Engineering

Grade: 3.5 GPA

Activities and societies: President IEEE

Bachelor of Science in Computer Engineering with a 3.5 GPA; served as President of IEEE chapter.

Tech stack

Software and tools used professionally

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Justin DeClark - Performance Test Engineer - Trimble | Himalayas