# Hansaem Kim > Software Engineer & Educator | React Redux JavaScript TypeScript Python FastAPI Jinja GraphQL React-Query HTML CSS jQuery PostgreSQL Express.js Node.js MongoDB Location: Queens, New York, United States Profile: https://flows.cv/hansaem Welcome to my LinkedIn Profile! My name is Hansaem, and I am a Software Engineer with a background in Systems Engineering and Education. I firmly believe that every child deserves a quality education, and my passion is in providing excellent education to every student through technology. Please feel free to reach out to me here on LinkedIn 😁 ## Work Experience ### Software Engineer II @ Northspyre Jan 2023 – Present • Designed and delivered 10+ major features including Construction Payment Tracker, Invoice Retainage Tool, Report Builder, and Approval Workflows, contributing to platform expansion. • Rewrote Cost & Vendor Analytics pages from server-side Jinja templates to a performant client-side React + React Query stack, improving load time and UX for financial decision-makers. • Integrated SendGrid for transactional email infrastructure, enabling analytics and reducing future email feature build time by 30%. • Mentored junior engineers through pair programming, PR reviews, and knowledge-sharing sessions. • Contributed to business growth as ARR scaled from $5M to $16M during tenure. ### Software Engineer @ Northspyre Jan 2022 – Jan 2023 • Designed and implemented a Lien Waiver Data Index, streamlining waiver tracking across 5000+ projects. • Built Construction User Invitation Flow, increasing vendor user count by 403%. • Refactored key frontend components into a reusable UI library, improving maintainability and developer efficiency. ### Mathematics Teacher @ Bridgeport Public Schools Jan 2018 – Jan 2021 | Bridgeport, Connecticut, United States • Facilitated engaging math courses in Math for Engineers, Algebra, Geometry, and Pre-Calculus, achieving an average growth of 2.5 years in student performance. • Founded a weekend tutoring program to support students across the district which accelerated students performance by 31%. ### Corps Member @ Teach For America Jan 2018 – Jan 2021 | Connecticut • Selected from over 49,000 applicants nationwide to join the national teacher corps of recent college graduates and professionals who commit two years to teach in under-resourced public schools. • Achieved 100% pass rate in a summer school program ran by Teach For America for low-income students at Olney High School. ## Education ### Computer Software Engineering App Academy Jan 2021 – Jan 2021 ### Bachelor's degree in General Engineering University of Illinois Urbana-Champaign Jan 2012 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/hansaem-kim-dev --- Source: https://flows.cv/hansaem JSON Resume: https://flows.cv/hansaem/resume.json Last updated: 2026-03-23