Krystal Leong
@krystalleong
Software engineer specializing in backend development and automation.
What I'm looking for
I am a dedicated software engineer with a strong focus on backend development, automation, and internal tooling. My recent experience at IBM allowed me to enhance system performance and streamline developer processes through effective scripting, data modeling, and setting up QA/test environments. I thrive in SQL, PHP, and Linux environments, with a particular comfort in Java. Currently, I am expanding my full-stack development skills and Python fluency through a personal project, which reflects my commitment to continuous learning and improvement.
During my tenure at IBM, I successfully improved database query performance by 30% and automated code release steps, significantly reducing developer workload. My internship experiences at Google further honed my skills, where I contributed to reducing data size in core systems and developed an indie music promotion app. I am passionate about leveraging technology to solve complex problems and am eager to bring my expertise to a role focused on backend work, scripting, or technical support.
Experience
Work history, roles, and key accomplishments
Staff Software Developer
IBM
Jul 2020 - Present (5 years 5 months)
Improved database query performance by 30% and automated code release steps, reducing developer workload. Built test environments for automation and QA on Linux and z/OS, and led onboarding, reducing ramp-up time by 10%.
WiTNY Winter Intern
Credit Suisse
Jan 2018 - Present (7 years 11 months)
Developed an article recommendation model, reducing editorial effort by 30%.
Software Engineering Intern
May 2017 - Present (8 years 7 months)
Reduced data size by 50% in Google Play Store core system using C++. Automated queries for distributed stream-processing framework using C++, SQL, and BigQuery, and delivered shopping recommendations with MapReduce and SSTable tools.
Computer Science Summer Institute
Jul 2016 - Present (9 years 5 months)
Built an indie music promotion app using Python, JavaScript, and App Engine.
Education
Degrees, certifications, and relevant coursework
CUNY City College of New York
Bachelor of Science, Computer Science
2016 - 2020
Activities and societies: Google Computer Science Summer Institute (CSSI), Credit Suisse WiTNY Winter Intern
Studied the fundamentals of computer science including programming languages, data structures, and algorithms. Gained practical experience through various projects and coursework.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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