Elijah Windsor, Developer in Kailua, HI, United States
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Elijah Windsor

Verified Expert  in Engineering

React Native Developer

Location
Kailua, HI, United States
Toptal Member Since
February 10, 2014

Elijah是一个非常积极和熟练的全栈开发人员. 他热衷于用React Native、React和Node构建应用程序.js. He has experience maximizing excellent user experiences for cross-platform apps on iOS and Android while utilizing both native and web development tools.

Front-endAjaxJavaScriptREST APIsCSSObjective-CiOSGitHubPHPMapKitRuby on Rails (RoR)jQueryNode.jsXcodeUIKitMeteorOffshore Ruby on RailsCouchDBOffshore iOSOffshore PHPSocket.IOMapboxAFNetworkingAjax4JSFPhoneGap

Portfolio

Refined Edge Solutions
Firebase, React Native, PostgreSQL, Ruby on Rails (RoR)， Ruby, MongoDB...
Next Epic
React Native, Expo, TypeScript, GraphQL, Hasura, React, Figma, REST api...
Alea Diagnostics
React Native, GraphQL, Node.js, iOS, React, Figma, REST APIs, Front-end, Axios...

Experience

JavaScript - 18 yearsObjective-C - 13 yearsiOS - 12 yearsRedux - 5 yearsReact - 5 yearsReact Native - 5 yearsFirebase - 4 yearsECMAScript (ES6) - 4 years

Availability

Part-time

Preferred Environment

Xcode, GitHub, Atom, Front-end

The most amazing...

...我帮助开发的是一个适用于iOS的移动SDK, Android, React Native允许在web上部署本地用户界面.

Work Experience

Developer | CEO

2015 - PRESENT
Refined Edge Solutions
  • Joined a large team at Integrated Digital Solutions to help them develop a cross-platform streaming app for AT&T using React Native.
  • 使用React Native从头开始构建一个基于地图的社交网络, MapBox, Firebase, Heroku with Node.js, and MongoDB. 它使用实时地理定位来不断更新用户的位置, letting them know what is happening around them.
  • Led a cross-continent team of Toptal developers in rebuilding an iOS social networking app in React Native using Redux for storing state.
  • Helped a well-funded startup convert a website into a truly native React Native app for iOS and Android. I worked with their existing Node.js和MongoDB堆栈，以及第三方库，以创造更好的移动体验.
  • Architected an international company's React web application to be isomorphic to ensure SEO compatibility, using React Router and Express, and also implemented the Redux store.
  • 使用React为旧金山的一家初创公司开发了一个iPhone应用程序的锻炼编辑工具, Bootstrap, Ruby on Rails, and Node.js.
  • Supported the development of an enterprise iPad quiz app used in corporations for training using PhoneGap, JavaScript, CSS, and Xcode.
  • Developed a cross-platform React Native app for iOS and Android for demonstration purposes that queries APIs with GraphQL for display.
  • Built a web app for ordering pet tags on iPhone and Android using React and Bootstrap on the front end and modified existing Zen Cart PHP code on the back end to work with jQuery Ajax calls.
Technologies: Firebase, React Native, PostgreSQL, Ruby on Rails (RoR)， Ruby, MongoDB, InfluxDB, Objective-C, Bootstrap, PHP, PhoneGap, Titanium, Node.js, JavaScript, Express.js, Flux, Redux, React, Mobile Development, TypeScript, Gatsby, Figma, REST APIs, Front-end, Axios, React Navigation

Senior React Native Engineer

2022 - 2022
Next Epic
  • Developed a custom dynamic search UI for Myodetox using React Native Reanimated that shows a touch feedback response when the user answers questions tailored to their interests.
  • Built an article viewer that takes raw HTML and renders it natively in a pop-up modal while tracking which items the user has viewed and ensuring it displays a fresh one every day.
  • Implemented GraphQL and REST APIs for secure interaction with the back end and conducted thorough testing in both Expo Go and Expo Bare Workflow.
  • Worked on a video viewer similar to Instagram Stories that allows users to navigate back and forth through the stories tailored to the client.
Technologies: React Native, Expo, TypeScript, GraphQL, Hasura, React, Figma, REST api, Front-end, Axios, React Navigation

Lead React Native Developer

2022 - 2022
Alea Diagnostics
  • Refactored some common pain points associated with React Native development into existing code developed at Harvard.
  • Created the Timeline feature within the app, enabling infinite horizontal scrolling functionality, 每天在哪里展示代表孩子成长进程的垂直滚动项目.
  • 修复了在应用程序各个部分发现的内存泄漏和性能问题, 最值得注意的是显示通过GraphQL检索到的大部分数据.
  • Managed the development flow by creating separate environments for staging and production on the front-end, ensuring the QA sequence went according to plan.
  • 在部署新版本之前，审查其他团队成员的前端和后端代码.
Technologies: React Native, GraphQL, Node.js、iOS、React、Figma、REST api、前端、Axios、React导航

Senior React Native Developer

2021 - 2022
GrowthDay
  • 帮助开发GrowthDay应用的挑战部分, 执行和迭代UI设计，确保用户体验参与到位.
  • Collaborated with the back-end team to ensure the API calls were appropriately integrated and worked with the QA team on any discovered issues.
  • Adapted existing iOS and Android native libraries, which were not initially compatible with React Native, to make them usable within our app.
Technologies: React Native, JavaScript, TypeScript, Objective-C, React, REST APIs, Front-end, Axios, React Navigation

Senior React Native Developer

2020 - 2021
Integrated Digital Solutions
  • 优化了React Native应用程序跨多个设备的性能, including iOS, Android, FireTV, and AppleTV platforms.
  • 重构和清理代码，以确保在移动和电视设备上的最佳性能.
  • 开发本地模块，集成iOS和Android应用程序的修复.
Technologies: React Native, JavaScript, Objective-C, Java, React, TypeScript, REST APIs, Front-end, React Navigation

Senior Software Developer

2014 - 2015
GAIN Fitness
  • 使用Objective-C在培训师企业应用程序中创建聊天功能, Ruby on Rails, PostgreSQL, and APNS.
  • Created an in-house Apple Watch extension to allow users to monitor progress of their workouts and switch exercises.
  • Created a script to dig through and piece together over half a million user records stored between CouchDB and PostgreSQL.
  • 支持使用Ruby on Rails和PostgreSQL创建后端和REST API的架构.
  • Created an admin tool for sending SMS messages with links to install enterprise iOS apps to trainers using Twilio, Ruby on Rails, and PostgreSQL.
Technologies: Redux, Core Data, CSS, HTML, Apple Watch, Objective-C, MongoDB, PostgreSQL, Ruby on Rails (RoR), Ruby, JavaScript, Flux, React, Mobile Development, Amazon Web Services (AWS), REST APIs, Front-end

Director of Engineering

2013 - 2014
Appstem Media, LLC
  • 创建了一款iPhone应用程序，可以通过聊天进行实时交流, image/recording uploads, in-app phone calls, and text messaging using Objective-C, ObjectiveDDP, Twilio SDK, Meteor, and Node.js.
  • 使用Twilio, Meteor, Node为医生构建了一个可定制的语音邮件系统.js, and MongoDB.
  • Created an in-house iPhone app for real-time interactivity for browsing folders and viewing files with Objective-C, Socket.io, Node.js, and Box API.
  • 使用Objective-C和Visual c#为纳帕谷的一家酒庄创建了一个iPad应用程序，用于跟踪库存.
  • 使用Titanium为iOS和Android平台的跨平台企业房地产应用程序添加功能.
Technologies: MongoDB, Titanium, Meteor, Node.js, Objective-C，移动开发，REST api，前端

Developer and Owner

2007 - 2014
Smooth Edge Design
  • Created an iPhone app for taking photos of your dog that was mentioned by Jay Leno and featured in news stories across the country in 2009 using Objective-C.
  • 支持使用PHP和MySQL定制巧克力网站osCommerce购物车.
  • Supported a manuscript editing website by adding a custom shopping cart using Ruby on Rails and JavaScript.
  • 用Objective-C开发了一个寻找朋友的iPhone应用程序，这是飞轮软件的催化剂, Ruby on Rails, and MySQL.
  • 使用Flash, ActionScript, PHP和MySQL为web创建了一个自定义音乐播放器.
  • Created several websites for non-profit organizations using HTML, CSS, PHP, MySQL, and JavaScript.
  • 使用Flash创建了一个自定义幻灯片，在图像之间异步循环, ActionScript, PHP, and MySQL.
Technologies: Objective-C, Ruby on Rails (RoR), Ruby, CSS, HTML, jQuery, JavaScript, Flash ActionScript, Flash, PHP, Mobile Development, REST APIs, Front-end

Contract Developer

2012 - 2013
Purl, Inc.
  • Created a user-interactive search tool in a native iPhone app for finding content online and pinning it to a geolocation using iOS Geolocation, Titanium, JavaScript, Node.js, and MongoDB.
  • Developed a customized search algorithm for finding relevant information about the current location of users with Bing API, Foursquare API, iOS Geolocation, and JavaScript/Node.js.
  • Created a back-end API for posting websites to a specific geolocation as well as geolocation-based lookup using iOS Geolocation, JavaScript, Node.js, and MongoDB.
  • Created an admin panel for managing existing postings and creating admin-based postings using HTML5, JavaScript, Node.js and MongoDB.
  • 使用PhoneGap, JavaScript, Node为酒店客人开发了一个iPhone应用程序，帮助他们找到附近的景点.js, and MongoDB.
Technologies: MongoDB, Node.js, PhoneGap, Titanium, JavaScript, Objective-C，移动开发，REST api，前端

Founding Developer

2009 - 2011
Flywheel Software, Inc.
  • Created an iPhone app for drivers and passengers to see each other on maps in real time using Objective-C and Erlang.
  • 使用Erlang为基于套接字的连接开发后端.
  • 使用Erlang和ejabberd构建了一个XMPP自定义协议，用于将乘客叫到司机.
  • Created a dispatch web app to allow dispatchers to assign pickup locations to drivers with a mobile app using HTML5, JavaScript, Strophe, and Erlang.
  • Developed a cross-browser compatible solution for recording sound and delivering to drivers via a mobile app using JavaScript, Flex, ActionScript 3.0, and Erlang.
技术:XMPP, JavaScript, Erlang, Objective-C，移动开发，REST api，前端

Howl - Find Friends & Nightlife

Using React Native and Firebase and Twilio, 我协助优化了这款应用，并添加了全新的功能, 在客户端和节点上同时使用JavaScript.js/Firebase functions side. 我能够帮助它在生产中达到稳定和安全的状态.

Social Network App Built in React Native

我带领一个小团队使用React Native从零开始，用了大约1个月的时间开发了一款iOS应用. It uses Redux to store states and has custom modules built in Objective-C to perform operations triggered by JavaScript, including photo compression and video uploading.

Bluewolf Website

http://www.bluewolf.com/
Using React.使用Redux和Express，我把它变成了一个同构的web应用程序. It will render server-side so there's data immediately available for the user (and good for search engines) as well as client-side so the user gets instant feedback and can browse more effectively.

Dabawallah | Dinner Made Easy

Using React.js and Redux, I developed a dashboard web app which looks and feels a lot like a native desktop app. You can select restaurants that are in the area and create meal playlists that can be delivered to you the next week.

Meridix Real-time Websockets

http://www.meridix.com/
Using Node.js, Socket.IO, PHP, and Redis, I built a scalable WebSocket app that allows broadcasters to send viewers updated scores and stats during games they're watching.

Flywheel Software, Inc.

http://www.flywheel.com/
这家公司最初只有首席执行官和我. Flywheel Software has raised over $30 million.

安全用户认证|企业iPad应用

我开发了一个企业iPad应用程序的关键组件LoginViewController.m. 该模块是专门为实现安全用户认证而设计的.

该应用程序被配置为只在指定的ipad上运行, identified by their unique MAC addresses. 认证过程的第一步是验证设备的MAC地址. MAC地址验证成功后，系统将对用户的凭据进行验证. 系统提示用户输入用户名和密码，并对其进行验证. 这种两层安全协议确保了对未经授权访问的强大保护.

CosRank - CosPlay iPhone App

我用Node在Objective-C中构建了这个照片分享社交网络.js on the back-end.
2001 - 2005

Bachelor's Degree in Computer Science

Purdue University - West Lafayette, IN, USA

Libraries/APIs

Redux- saga, React Redux, Lodash, React, Parse SDK, Node.js, jQuery, Underscore.js, Socket.IO, ObjectiveDDP, REST APIs, React Navigation, Twitter SDK, iOS Extensions, Facebook iOS SDK, Handlebars, Foursquare API, Facebook Open Graph API

Tools

Redux Thunk, Appcelerator Titanium, Xcode, Babel, iOS Simulator, GitHub, SourceTree, Chrome Developer Tools, Figma, NGINX, Node Inspector, iOS Instruments, Sublime Text 2, Atom, Flash, Adobe Photoshop, Expo

Frameworks

Redux, React Native, Ruby on Rails (RoR), Bootstrap 3, Flux, AFNetworking, MapKit, Core Location, UIKit, ZURB Foundation, Titanium, Android SDK, Express.. js, PhoneGap, CFNetwork, Bootstrap, Core Data, Kendo UI

Languages

PHP, HTML, CSS, Objective-C, ECMAScript (ES6), JavaScript, Go, TypeScript, Java, SQL, Ruby, Swift, Erlang, Flash ActionScript, GraphQL

Paradigms

Object-oriented Programming (OOP), Asynchronous Programming, Mobile Development, Model View ViewModel (MVVM), Test-driven Development (TDD), Agile Software Development, Key-Value Observing (KVO), Event-driven Programming, Data-driven Programming

Platforms

Firebase, iOS, Meteor, Android, Mapbox, Amazon EC2, AWS Elastic Beanstalk, Ubuntu, Apple Watch, Amazon Web Services (AWS)

Storage

云Firestore, SQLite, PostgreSQL, MySQL, MongoDB, CouchDB, InfluxDB, Hasura

Other

Sagas, Ajax, Software Architecture, Front-end Development, Front-end, Axios, Mobile Apps, Cordova, WebSockets, Gatsby, XMPP, Software Development, Computer Science, Leadership, User Authentication

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