Reynold William

Mobile Developer • Frontend Developer • Full-stack Engineer • Te Kuiti, Waikato, NZ

Top Earner

Front-End Development

Backend Development

Full Stack Development

Database Queries

Swift

JSON

PHP

Firmware

Express.js

AJAX

CI/CD

Trello

JIRA

Node.js

jQuery

GraphQL

MongoDB

MySQL

HTML/CSS

TypeScript

Kotlin

Computer Science

Java

Android

Django

Python

Web Development

Web3

Blockchain

Javascript

Coding

Mobile Development

React

React Native

Available for hire fromNegotiable

Full-Time Roles

Contracts

Versatile software engineer skilled in web and mobile development.

Innovative problem solver experienced in full-stack web development, desktop applications, and mobile app development. I have built educational games, NFT marketplaces, video content delivery platforms, and user management systems etc. My insight has expanded and greatly enhanced many programs and processes, enabling clients to further their reach and increase revenue.

Projects

Loop Wallet | Cryptos & NFTs

Created scaled components and screens for various kinds of devices using React Native Expo. Deployed to Google Play Store and maintained app by creating new pages, adding new features. Integrated with @keplr-wallet modulesSee More

Club Site using React.js, TypeScript, Tailwind CSS

Worked on club site pages using Next.js framework as full stack developer. Built standalone Node.js backend by collaborating with frontend developers.See More

EmojiMixer: WA & TG Sticker

EmojiMixer is a simple an powerful app that mixes up two emojis together into a single emoji. There are many lots of emoji mix supported, you can mix varieties of emojis and share your creativity with your friends It is an one of apps I have built myself.See More

Work History

Full Stack Web developer

LeavingstoneDec 2023 - Feb 2024 • 3 mos✔️Added features and bug-fixed the Node.js back end and the React, TypeScript, Material UI front end of an existing website for booking event speakers. ✔️Used and improved an existing custom JavaScript back-end framework developed in-house by the client company. ✔️Built club site pages using Next.js framework. ✔️Managed entities using TypeORM connected to a PostgreSQL, MongoDB database. ✔️Developed a new flow for onboarding speakers into the platform. ✔️Collaborated with team members working on tasks on a Jira board following the Scrum Agile methodology. ✔️Implemented automation on Jira to accelerate and improve the tracking of tasks and alert relevant parties through Slack.

Backend, Mobile Developer

Loop FinanceAug 2019 - Sep 2022 • 3 yrs 2 mos✔️Developed and deployed Solidity contracts on Terra blockchain using Truffle as well as a custom Node.js React front end. Executed RPC commands using Web3.js to publish and execute contracts on test and main networks. ✔️Architected the payment and collateral system on Stellar blockchain. Developed a fork of Terra network bridge to support custom ledger features. ✔️Developed signal and trading bots using cryptocurrency exchange APIs in Node.js. ✔️Audited a complex Node.js React/Redux web application to identify security concerns and performance issues. Recommended steps to automate deployments in Azure and manage pull requests in Git. ✔️Worked as React Native hybrid app developer to create frontend screens by collaborating other mobile developers.

Junior Android Developer

Remontnik, LLCDec 2017 - Apr 2019 • 1 yr 5 mos✔️ Developed an Android marketplace app for building and repairing services using Java, Kotlin. ✔️ Developed in-app messenger for a custom WebSocket API. ✔️ Integrated third-party payment systems for services payments. ✔️ Set-up continuous integration with GitLab CI for building and test running. ✔️ Developed a filling and validation tool that also sent forms with complicated business logic. ✔️ Managed a team of one internal developers and with one outsourcing developer.

Android Application Developer

Self-employedOct 2017 - Nov 2017 • 2 mos✔️ Developed my own Android project from scratch (both coding and design). ✔️ Created a camera app with colorful effects and real-time previews. ✔️ Reimplemented graphical effects processing from CPU to GPU (using OpenGL ES), that resulted in high FPS increase.

Reviews

Exceeds ExpectationsRecommended by clients 1 times.

Top EarnerHas earned $10k+ on Pangea.

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Education

Massey University

Bachelor's Degree, Computer ScienceMar 2014 - Jul 2017

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