Hector Coronado | Senior Software Engineer


E-mail:	[email protected]
LinkedIn:	www.linkedin.com/in/hectorcoronado
GitHub:	https://github.com/hectorcoronado
Website:	https://www.hectorcoronado.com


Languages:	HTML, CSS, JavaScript/ES6, TypeScript, Python
Skills:	React, Express, Zustand, Node.js, Next.js, FastAPI, SQLAlchemy, Django, Accessibility (a11y)
Testing:	Playwright, Jest, Cypress, Applitools, RTL, Pytest
Other:	Git, AWS

Professional Experience:

Owned ongoing development of Cascade Designer, a Python-backed TypeScript/React application for visually modeling RF link budgets and spacecraft communication systems.
Redesigned modulation and coding (MODCOD) selection from an opaque dropdown into a guided visual workflow, making complex RF configurations easier to understand and configure.
Enabled parameterization across every configurable field in its React Flow–based link-budget interface, expanding the range of system configurations engineers could model.
Designed and implemented the initial FastAPI and SQLAlchemy API for managing ground-station customers, spacecraft, ephemerides, communication contacts, and modem configurations.

Delivered near-instant user experience (0.7s FCP & speed index, 0ms TBT, measured by Lighthouse) through full-stack architectural overhaul, migrating legacy system to React frontend and Django/Python backend.
Owned and led comprehensive a11y overhaul for Scientific American's frontend, achieving WCAG 2.1 AA cross-site compliance, eliminating identified a11y violations, & improving experience for all users with disabilities.
Led frontend modernization of Scientific American's custom media platform while ensuring zero downtime for a critical revenue channel comprising 30% of annual income.
Mentored 2 frontend developers on React best practices and component architecture, facilitating their transition to the company’s tech stack.

Led a performance initiative that reduced the time required to connect enterprise subscribers with tailored phone and email support.
Owned the chatbot UI and coordinated its Salesforce and backend integrations.
Co-led the implementation of end-to-end visual testing using Applitools, which accelerated time-to-deployment and reduced UI issues and regressions.
Co-presented results of the above at Applitools’ “Front-End Test Fest” conference & Autodesk’s 2021 TechX conference.

Decreased subscribers' wait times to receive troubleshooting help by implementing our schedule-a-call feature; owned end-to-end routing & UI surface.
Reduced support requests by co-creating a branching UI enabling users to autonomously find answers to common problems with potentially multiple causes.
Led implementation of a company-wide rebrand across two teams, creating a cohesive cross-platform identity.

Improved first-meaningful-paint by more than 1 second by leading performance initiatives, including JavaScript-based image lazy loading.
Improved system-wide integration by migrating UIs from Drupal to an internal CMS.
Reduced network requests by refactoring PHP controllers to load JS conditionally.
Collaborated with our backend engineering team, UX designers, product managers, and key stakeholders.

Held over 100 virtual coffee chats with developers enrolled in 100Devs looking for their entry into tech.
Mentored one student on a weekly basis through their first tech job interview process.

Education: General Assembly: Web Development Immersive program / UT Austin: BA in Humanities