Senior Frontend Engineer React Design Systems
Resume:
GALO SANDOVAL
Walnut, CA ***** 714-***-**** ****.********.***@*****.*** LinkedIn Profile URL GitHub Portfolio SENIOR FRONTEND ENGINEER: Merging design system expertise with scalable React architecture to enhance consistency, accessibility, and speed. IMPACT SNAPSHOT: $51.5M+ in Revenue-Supported — 80%+ Test Coverage Across 3 Platforms React — 40% Faster Onboarding Innovative software developer with 4+ years of experience delivering enterprise-grade interfaces across multiple industries, including Fortune 500 companies, supporting healthcare, data analytics, and performance-driven platforms. Adept at both legacy modernization and modern component-based development, employing superb command of testability, usability, and real-world user experience to build resilient, reusable frameworks that streamline workflows and improve end-user satisfaction. Recognized by cross-functional teams and product leaders for bridging user empathy with engineering precision, accelerating delivery cycles, and elevating frontend quality while ensuring long-term maintainability. C ORE C O M P E T E N C I E S
JavaScript and TypeScript Development
Responsive and Adaptive Web Design
Accessibility and Internationalization
Front-End CI/CD Best Practices
Design Systems Implementation
React Query / Redux State Management
Secure and Scalable Front-End Code
Front-End Microservices / Modular Architecture
Component-Based UI Engineering
RESTful API Integration
Cross-Functional Agile Collaboration
UI/UX Consistency/ Pixel-Perfect Design
TECHNICAL SKILLS: Frontend Development: JavaScript (ES6+), TypeScript, React, React Native, Redux, Backbone.js, jQuery, and Chrome DevTools.
UI/UX and Design Systems: Figma, WCAG, ARIA, Internationalization (i18n) Backend Development: Node.js, Kotlin, Java, PostgreSQL PROJECT EXECUTED: Integrated advanced features into RecipeChat, including authentication, authorization, AI chatbot, and vector database for recipe deduplication.
N O T A B L E C A R E E R H I G H L I G H T S
React.js Architecture and Component Design: Built scalable, reusable React and TypeScript components that power over 40% of app interfaces, accelerating sprint velocity, reducing tech debt, and improving consistency across UI layer.
Performance Optimization and Lazy Loading: Slashed key screen load times by up to 5 seconds by fine-tuning rendering logic and optimizing asset delivery—delivering instant responsiveness and elevating user experience across core modules.
Front-End Testing and Optimization: Contributed to 80%+ test coverage across three codebases and supported two flagship products currently driving $50M in annual revenue, bolstering platform stability and customer satisfaction at scale. P R O F E S S I O N A L E X P E R I E N C E
SPIDER STRATEGIES REMOTE Sept 2024 to Present
SENIOR FRONTEND DEVELOPER
Engineer and enhance enterprise-level web applications by blending modern front-end practices with legacy JavaScript, jQuery, and Backbone.js architecture, ensuring performance, maintainability, and seamless user experience. Partner with backend engineers (Java/Kotlin) and cross-functional teams to implement scalable UI features, debug system inefficiencies, and modernize core functionality for global users.
Bridged performance gaps in fragile JavaScript codebase by troubleshooting legacy bottlenecks and rewriting unstable components, resulting in faster load times, enhanced reliability, and smoother onboarding for newly deployed features.]
Transformed rigid single-button component into fully customizable buttons widget, unlocking dynamic form creation capabilities and elevating UI adaptability across platform, boosting configurability for internal teams and client-facing modules alike.
Strengthened global product accessibility by implementing RTL (right-to-left) language support and refining key UX flows, removing friction in user interaction, increasing data-saving consistency, and expanding product reach to Arabic-speaking users. G A L O S A N D OVAL 714-***-**** ****.********.***@*****.*** Page 2 of 2
CODIFI REMOTE Feb 2024 to Sept 2024
SOFTWARE ENGINEER
Engineered mobile and web solutions for field data management platform used by archaeological teams, driving innovation through React Native, Redux, and Realm to deliver reliable, high-performance applications. Worked with cross-functional stakeholders to design user-centered experiences, streamline data synchronization, and integrate mapping functionality that strengthened system resilience in offline environments.
Modernized frontend architecture and introduced new React libraries, reducing development time by 10% while simplifying future scalability and maintenance efforts.
User-Centered Design Thinking: Championed development of offline-first mapping feature leveraging Mapbox, enabling seamless field data collection and improving reliability by 30% in low-connectivity conditions.
Elevated team efficiency by managing tasks through Jira and GitLab, mentoring peers in React best practices, and delivering mission-critical solution that generated $1.5M in annual revenue. BRIGHTINSIGHT REMOTE Jan 2022 to Feb 2024
FRONTEND DEVELOPER (CONTRACT), SOFTWARE ENGINEER (SALARIED) Developed enterprise-scale React applications for a regulated healthcare platform, optimizing speed, usability, and test coverage across clinician and patient-facing workflows. Collaborated cross-functionally to streamline onboarding, elevate code quality, and improve developer efficiency, delivering sprint tasks ahead of schedule in Agile environments while documenting reusable patterns to accelerate team ramp-up.
Full Product Lifecycle Ownership: Designed and deployed end-to-end onboarding workflow that simplified activation for both patients and clinicians, directly improving adoption and workflow compliance.
Diagnosed backend issues using GCP monitoring tools and improved API reliability across multiple services—, delivery speed and cross-team collaboration.
Refactored fragile statement management system into modular components, cutting recurring bugs by 10% and streamlining QA cycles in production-critical environments.
Created Python automation tool that eliminated redundant setup tasks for new developers, cutting onboarding time by 40% and reclaiming hundreds of engineering hours annually. IBM REMOTE May 2021 to Feb 2022
APPLICATION DEVELOPER APPRENTICE
Applied foundational expertise across full software development lifecycle by participating in Agile ceremonies, troubleshooting real-time issues, and supporting technical team alignment. Observed DevOps workflows and hybrid cloud integrations in action, contributing to continuous delivery practices and documentation that enhanced process visibility and onboarding efficiency.
Completed 20+ hands-on modules in Agile, DevOps, and hybrid cloud architecture, translating theory into real-time troubleshooting skills and foundational knowledge of enterprise CI/CD pipelines.
Facilitated daily stand-up meetings to surface blockers, support inter-team communication, and accelerate sprint progress across development and QA workflows.
Maintainable Code and Documentation Standards: Shadowed senior engineers on deployment automation and pipeline optimization, then documented repeatable workflows, helping new team members ramp up faster and improving delivery consistency. GO GET EN TIGER LOS ANGELES, CA Feb 2017 to Oct 2020 BARISTA, SHIFT LEAD, LEAD BARISTA, GENERAL MANAGER Orchestrated daily operations in a high-volume specialty café, optimizing service flow, labor allocation, and administrative systems to improve efficiency and consistency across all shifts. Led hiring, training, and team development efforts that elevated service standards, minimized waste, and earned multiple performance-based bonuses. E D U C A T I O N A N D C E R T I F I C A T I O N S Full-stack Development, Bloom Institute of Technology Enterprise Design Thinking Practitioner, IBM IBM Agile Explorer, IBM IBM Apprenticeship Program, IBM
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