Jason Aviles

Frontend Engineer

Jersey City, New Jersey, United States9 yrs 7 mos experience

Key Highlights

12+ years of experience in frontend development.
Expert in modern frontend architecture with React and TypeScript.
Proven track record in building scalable web applications.

Stackforce AI infers this person is a Frontend Engineer specializing in Healthcare and Fintech web applications.

Contact

Skills

Core Skills

ReactNode.jsAngular

Other Skills

ReduxGraphQLREST APIsWebSocketsWCAGPythonJavaJWTJestPlaywrightRuby on RailsCypressHTMLCSSJavaScript

About

Senior Frontend Engineer with 12+ years building scalable web applications across healthcare, fintech, and SaaS environments. I specialize in modern frontend architecture using React, TypeScript, and Next.js, with experience building real-time applications using WebSockets and integrating Node.js, Python, Ruby, and Java backend services. Highlights: • Built real-time chat systems using WebSockets • Delivered enterprise healthcare platform features used by thousands of users • Improved frontend performance through bundle optimization and route-level code splitting • Implemented accessibility improvements using WCAG standards • Built reusable component systems and modern UI architecture I focus on building scalable, maintainable applications that perform reliably under real production workloads.

Experience

9 yrs 7 mos

Total Experience

3 yrs 5 mos

Average Tenure

Current Experience

Northwell health

Senior Frontend Developer

Jan 2024 – Jun 2025 · 1 yr 5 mos · United States · Remote

Led frontend development for patient portal features serving enterprise healthcare users
Migrated legacy Angular applications to React + Redux and supported a parallel React Native mobile application
Built Next.js SSR dashboards integrating GraphQL and REST APIs for live patient data
Integrated frontend systems with Python and Node.js backend services
Collaborated closely with graphic designers to translate UX requirements into production-ready UI; independently handled UI design when required
Reduced accessibility defects through WCAG audits and automated Axe/Lighthouse testing
Participated in daily standups, sprint planning, and cross-team architecture reviews

ReactReduxGraphQLREST APIsWebSocketsWCAG+2

Fiserv

Software Developer II

Aug 2023 – Dec 2023 · 4 mos · Berkeley Heights, New Jersey, United States · On-site

Upgraded legacy Angular application to Angular 19, modernizing dependencies and improving maintainability
Led migration from Angular to React-based architecture to improve long-term scalability
Integrated frontend systems with Java and Node.js backend services supporting financial reporting workflows
Reduced UI lag through lazy loading, memoization, and bundle optimization
Implemented secure authentication flows using JWT and role-based access controls
Authored automated test coverage using Jest and Playwright

AngularReactJavaNode.jsJWTJest+1

Ushur

Software Engineer

Jul 2021 – May 2023 · 1 yr 10 mos · remote · Remote

Worked across small agile teams and larger cross-functional groups in a startup SaaS environment
Built React-based enterprise workflow dashboards integrated with Ruby on Rails and Node.js backend services
Developed live chat functionality using WebSockets to enable real-time messaging and system updates
Contributed to a separate React Native mobile application for cross-platform workflow execution
Migrated monolithic UI architecture to modular TypeScript-based component system
Maintained automated test pipelines using Jest and Cypres

ReactRuby on RailsNode.jsWebSocketsJestCypress

Jason aviles

Freelance Full-stack Developer

Jan 2019 – Jul 2021 · 2 yrs 6 mos · United States

Worked on full stack personal public speaking site for a client website :jeffaviles.com Technology used:
HTML • CSS/sass • bootstrap wire-framing • JavaScript • PHP

HTMLCSSJavaScriptPHP

Bloomtech

Software Engineer

Jul 2017 – Jul 2021 · 4 yrs · remote · Remote

Worked on a production-scale education platform supporting thousands of active users, contributing to both frontend and backend systems.
Built React-based web applications integrated with Ruby and Python backend services
Developed RESTful APIs using Node.js to support student dashboards and workflow features
Designed reusable component architecture and responsive UI systems using modern JavaScript and TypeScript
Implemented automated testing strategies (Jest, Cypress) to improve deployment reliability
Collaborated in Agile sprints with product, design, and backend teams to ship iterative improvements
Led internal code reviews and reinforced frontend architecture standards
Promoted accessibility best practices (semantic HTML, WCAG compliance) across platform features

ReactRubyPythonNode.jsJestCypress

Media by j.aviles

Website Developer

Jan 2016 – Jul 2021 · 5 yrs 6 mos · United States · Remote

Designed and built responsive websites and client applications using HTML, CSS/Sass, JavaScript, and React
Implemented custom UI designs and SEO-optimized layouts for small businesses
Managed deployments and hosting across Netlify and AWS environments

HTMLCSSJavaScriptReact

Luxefashions inc.

Full Stack Engineer

Mar 2015 – Jul 2020 · 5 yrs 4 mos

Built a modern, mobile-friendly e-commerce app using React, Node.js, Express, and MongoDB. Integrated Stripe payments and JWT-based authentication for secure transactions. Handled UI development based on client-provided wireframes and created responsive product pages. Automated build and deployment using Netlify and CI/CD pipelines.

ReactNode.jsExpressMongoDBStripe