Sydney Hill

Frontend Engineer @ UpDoc

Truckee, California, United States

About

Frontend leaning full stack engineer and product designer with 7+ years building and shipping scalable, high-performance web applications using Vue.js, React, TypeScript, and modern frontend tooling. Motivated by growth and helping people, I build intuitive systems that have real impact.

Experience

  • Frontend Engineer at UpDoc
    Jan 2026 - Present · 7 mos

  • Full Stack Engineer & Designer at The Black Cat
    Feb 2018 - Present · 8 yrs 6 mos

    - 100% Job Success Rate on Upwork - Designed and developed subscription software that drove 300% increase in client sales - UX flows and edge cases to reduce developer friction and ensure technical feasibility

  • Product Designer and Full Stack Developer at PassiveInvesting.com
    Oct 2023 - Sep 2024 · 1 yr

    - Designed and built the Front End of a Vue.js + Capacitor mobile app within 7 months. - Designed and implemented the in-app reservation flow, handling real-time availability, secure entry codes, and payments. - Built an internal metrics dashboard by designing a fluent, Laravel service layer that calculated 10+ KPIs. - Collaborated with backend engineers on REST APIs, validation, and data models.

  • Full Stack Software Engineer at ComplYant
    Jan 2022 - Oct 2023 · 1 yr 10 mos

    At ComplYant, we used the TALL stack to build tax software to help small businesses save money - Led frontend implementation of the IRS Form 4868 e-filing feature, shipping in under 3 months. - Contributed to Tax Estimates Feature, learning and applying domain-driven design (DDD) concepts to build Plaid integration, OAuth flows, and DTOs. - Proposed and implemented Saloon-based API abstraction, improving API consistency and testability. - Built ComplYant’s first design system in Figma, accelerating development cycles.

  • Designer + Front End Developer at The Johnson Group
    Oct 2015 - Sep 2018 · 3 yrs

    - Grew from Design Intern to Designer + Frontend Developer in 3 years - Increased landing to hire conversion rates from 2.118% to 3.412% by pioneering Google AMP job pages for our trucking clients (https://amp.dev/success-stories/us_xpress) - Increased driver hiring and retention rates for clients, as well as our agency client marketshare by participating in development of proprietary Ad targeting and hiring software