Work History

Senior React & React

Native Developer

James

Perper

Contact

Address

Summerville, South Carolina,

29485

Phone

864-***-****

E-mail

james.lee.perper730@gmail.

com

LinkedIn

https://www.linkedin.com

/in/james-lee-perper-251a4

Skills

React.JS

React Native

React Hooks

Redux

GraphQL

Node.JS

Blockchain

Python

Javascript

Demonstrated a history of excellence throughout multiple positions with several companies with a focus on React & React Native Projects.

- Front-end developer with 10 years of experience designing, building, and implementing web and mobile applications.

- Innovative problem-solver, designer, and coder with excellent time and task management skills.

- Well-versed in Scrum team participation, remote work communication, and project management tools.

Exceptional track records in Blockchain worlds while working on DeFi/DApps, Smart Contracts/NFTs, and even Blockchain core development.

Senior React React Native Engineer

Blackboard, Boca Raton, Florida

Update web application with React with new

designs.

Increased performance with loading speed &

user-friendly interface & lazy loading.

Unit, Integration testing of applications with Jest, Jasmine, Mocha, and Chai with React-test-renderer

.

Implement responsive design and styling

components with TailwindCSS.

Created mobile applications based on React &

React Native, integrating Facebook's best practices for interface design.

2022-08 -

Current

Senior React Native Developer

Rival Inc., California

Developed software for both desktop and mobile

operating systems.

Built complex animations using OpenGL and

animation libraries to deliver the best user interface and user experiences of Starbucks mobile

applications.

Modified animation modules to make animations

realistic and improved applications' performance by 20% faster as principal mobile developer.

2022-05 -

2022-08

Native Mobile App Accomplished animation implementation goals and delivered products on time.

Senior React Engineer Front-end Team

Leader

TrueProdigy, Austin, Texas

Developed rich Front-end UIs and Well-structured

Backend Code using React, React-Native, and

Node.

Intuitive, feedback-driven feature implementation in Javascript frameworks.

Implemented React Native by leveraging its “out-of- the-box” compiler to architect a responsive,

scalable, and cross-platform mobile application.

Worked as a Front-end Team Leader.

Implemented Redux to manage a large state,

leverage predictable state updates through the use of dispatchers and reducers, and avoid unnecessary prop drilling to improve maintainability and

scalability of a front-end codebase.

2020-05 -

2022-04

Senior React React Native Blockchain

Engineer

Xero, California

- Developed DeFi/DApps, and NFT marketplaces using React, Node, Golang, Web3.JS, etc as a Senior

Blockchain Engineer.

Smart Contracts/NFTs development using Solidity,

Rust, and Blockchain Tools.

Implement pixel-perfect UIs using React, and React Native for Web & Hybrid Mobile apps.

Web3.JS/Ethers.JS is a good fit for DeFi/DApp

development.

- Developed Web & Mobile Applications.

Served as a Full-Stack developer using React.js,

React Native, Node.js, and JavaScript.

Created Semantic HTML pages.

Directed conversion of React application to

TypeScript.

Made architecture design by using Redux

middleware with Redux-saga as well as Redux-

Thunk.

2016-04 -

2020-04

Education

Built mobile application using React native expo as well as GraphQL for restful API calls.

Experienced with testing libraries like Jest, and

Enzyme.

Mid-Senior Full-stack Developer

Apixel, Tannery Road, Singapore

Developed solid corporate websites with

React.js/Redux.

Designed CSS templates for use on all pages on

websites working with CSS background, positioning, text, border, margin, padding, and table.

Used OOP concepts to develop UI components that

could be reused across Web Applications.

Used JIRA as bug tracking system to track and

maintain history of bugs/issues on everyday basis. Integrated third-party APIs, Twillio, Facebook, Spotify, Twitter, etc.

Created features for legacy Node.js codebase and

cleaned them up by introducing test-driven

development followed by extensive refactoring.

2014-05 -

2016-02

Skillful Junior Developer

Institute Of Real Estate And Urban Studies (IREUS), Tannery Road, Singapore

Produced content pages with CSS3 layout and style

markup presentations and also used JS methods and

properties.

Built pixel-perfect and responsive pages from

designs.

Updated websites from time to time for special

Requirements.

Wrote effective JavaScript codes to improve

performance.

Helped early-stage startups with software

architecture by developing MVPs.

2010-07 -

2014-03

Master of Science: Computer Science

National University of Singapore - Singapore, Singapore 2006-04 -

2010-06

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