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Qusai Jouda
Verified Expert in Engineering
Full-stack Developer
Centreville, VA, United States
Toptal member since August 5, 2015
Bio
Qusai is a software engineer with experience in React, TypeScript, Go, and R. He specializes in web and cloud application development, with a background in eCommerce, real-time platforms, and custom software. Qusai published ply-r, an R package on CRAN for chess data analysis. Bilingual in English and Arabic, he is currently studying AI at George Mason University.
Portfolio
GSA
GraphQL API, Node.js, TypeScript, React, MySQL, E2E Testing, CSS-in-JS, GraphQL...
Glossier
JavaScript, React, Front-end Development, Single-page Applications (SPAs)
Anthem Blue Cross and Blue Shield
JavaScript, Node.js, SMART on FHIR, Front-end Development
Experience
- JavaScript - 14 years
- Bitcoin - 8 years
- React - 6 years
- Blockchain - 5 years
- MySQL - 3 years
- Node.js - 3 years
- Go - 2 years
- Elm - 1 year
Work Experience
Senior Full-stack Engineer
2022 - 2025
GSA
- Developed new features related to federal vehicle standards, solicitations, bidding, evaluations, and contracting.
- Shipped four microservices along with front-end apps to production.
- Participated in continuous integrations and prod deployments.
Technologies: GraphQL API, Node.js, TypeScript, React, MySQL, E2E Testing, CSS-in-JS, GraphQL, Front-end Development, Single-page Applications (SPAs)
Senior Front-end Developer
2021 - 2021
Glossier
- Developed the front-end features for the Glossier community app.
- Matched the UI designs based on designers' feedback and QA reviews.
- Closed many fitted and finished user stories and bugs.
Technologies: JavaScript, React, Front-end Development, Single-page Applications (SPAs)
API Developer
2020 - 2021
Anthem Blue Cross and Blue Shield
- Developed a SMART on an FHIR app to do prior authorization attestations.
- Built a JavaScript app that can be launched from within the Epic Windows desktop app.
- Built a Node.js back-end API for SMART's EHR launch sequence.
- Built a front-end questionnaire dynamic rendering of SMART attestations.
Technologies: JavaScript, Node.js, SMART on FHIR, Front-end Development
React Developer
2019 - 2020
Invitae
- Developed the basis of a front-end framework called Arc Reactor. The framework utilizes a three-layer pattern—data, renderers, and layout—to construct and compose user views.
- Created a developer documentation application that the Invitae team used to document the code within its Git repo. The docs have the ability to demonstrate React components alongside other Markdown-supported content.
- Expanded my knowledge on the Django (Python) back-end software and worked on back-end tasks and bugs.
Technologies: Docker, Cypress, Jest, JavaScript, React, E2E Testing, Front-end Development, Single-page Applications (SPAs)
Visiting Academic
2018 - 2018
ETH Zurich
- Explored and studied various crypto-economic designs.
- Built a rudimentary demonstrator on Ethereum Rinkeby Testnet.
- Participated in building a proof-of-concept with IoT devices, servers, and blockchain interactions.
Technologies: SQL, Docker, REST APIs, Bitcoin, Blockchain, Ethereum, Elm, Go, Front-end Development
Software Developer | Blockchain Lead
2016 - 2018
UNICEF
- Advised UNICEF on blockchain capacity building internally and with their partners.
- Designed and presented training sessions on Bitcoin and Ethereum to UNICEF, the World Bank, the US Department of State, and the UN blockchain group.
- Developed prototypes and tested them with UNICEF and NYU.
Technologies: SQL, REST APIs, Node.js, JavaScript, Elm, Go, Solidity, Blockchain, Bitcoin, Front-end Development
Front-end Engineer
2015 - 2016
Lighter.world
- Bootstrapped the Lighter.world's codebase and launched the Lighter MVP.
- Worked closely with the design team to develop UI as per their design files.
- Participated in maintaining the development of the Lighter MVP for the first year.
Technologies: Jest, REST APIs, Node.js, JavaScript, MongoDB, Go, Webpack, Redux, React, Front-end Development, Single-page Applications (SPAs)
React Developer
2015 - 2015
Delivery Hero
- Advised the Delivery Hero team to auto generate 10,000 white-label solutions for their clients.
Technologies: Jest, Node.js, JavaScript, Redux, React, Front-end Development, Single-page Applications (SPAs)
Author (Master Thesis Project)
2014 - 2014
Conceptboard.com
- Finished my master's thesis at Conceptboard as a full-time job.
- Created a cooperating web application using ShareJS (Google OT algorithm).
- Compared COT and Google OT for use in the web environment.
Technologies: JavaScript, Express.js, Node.js, Front-end Development
Software Engineer
2011 - 2013
Exalt Technologies
- Developed software using JavaScript Dojo/Dijit.
Technologies: HTML, Dojo, JavaScript, Front-end Development, Single-page Applications (SPAs)
Education
2013 - 2014
Master of Science (M.Sc.) Degree in Software Technology
Suttgart University of Applied Sciences - Stuttgart, Germany
2007 - 2011
Bachelor's Degree in Computer Science
An-Najah National University - Nablus, Palestine
Skills
Libraries/APIs
React, Node.js, REST APIs, GraphQL API
Tools
Git, Webpack, SMART on FHIR
Languages
TypeScript, SQL, Elm, Go, JavaScript, GraphQL, HTML, CSS, Solidity, C++, Java
Frameworks
Jest, Cypress, Redux, Dojo, Express.js
Paradigms
E2E Testing, Agile Software Development
Storage
NoSQL, MySQL, MongoDB
Platforms
Ethereum, Docker, Blockchain
Other
Front-end Development, Single-page Applications (SPAs), Bitcoin, Smart Contracts, Cryptocurrency, CSS-in-JS, Applications
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