A
Andrew Jeffrey
About
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New York, United States
Résumé
Jobs
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- PSenior Software EngineerPiesoftApr 2020 - Current (6 years 6 months)• Led end-to-end development utilizing TypeScript, React, and GraphQL to create user-centric web applications,
driving an increase in user engagement by 30%.
• Architected scalable microservices using Go and Python, reducing deployment times by 40% and enhancing
system reliability.
• Designed and implemented REST and GraphQL APIs using Node.js and Express, improving data retrieval
efficiency by 25%.
• Developed CI/CD pipelines with Jenkins and Docker, streamlining the deployment process and reducing system
outages during updates.
• Collaborated with product and UX teams to draft specifications and wireframes, and iteratively developed features
while conducting user testing for feedback to refine - MSoftware EngineerMetro AssociatesOct 2017 - Jan 2020 (2 years 4 months)• Developed complex web applications using React, JavaScript, and TypeScript, improving page load speed by
20% and directly enhancing user experience.
• Implemented back-end services and RESTful APIs using Python and Django, enabling seamless data exchange
between front-end and back-end components.
• Participated in Agile ceremonies, contributing to sprint planning, daily stand-ups, and retrospectives, effectively
collaborating with cross-functional teams.
• Enhanced application performance by identifying bottlenecks in GraphQL queries and optimizing data fetching
strategies for improved loading times.
• Created unit and integration tests using Jest and Cypress, ensuring high code quality and reducing 
Software EngineerAlgoliaJan 2015 - Aug 2017 (2 years 8 months)• Assisted in the development of user interfaces using React and HTML/CSS, contributing to a visual refresh project
that improved user engagement metrics by 15%.
• Collaborated with senior engineers to create documentation and tutorials on internal tools and backend technologies
like Python and Django.
• Supported the deployment of applications on cloud platforms (AWS, Azure), gaining hands-on experience with
cloud services and hosting solutions.
• Engaged in code debugging and troubleshooting, resolving issues in a timely manner to enhance application
performance and functionality.
• Learnt and implemented concepts of Agile methodology through active participation in team sprints and planning
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Education
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- Bachelor of Science in Computer ScienceIllinois Institute of TechnologyAug 2010 - May 2014 (3 years 10 months)