Reynold William

About

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.

Experience

• Full Stack Web developer · Leavingstone12-01-2023 – 02-01-2024

  ✔️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 Finance08-01-2019 – 09-01-2022

  ✔️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, LLC12-01-2017 – 04-01-2019

  ✔️ 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-employed10-01-2017 – 11-01-2017

  ✔️ 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.

Education

• Massey UniversityBachelor's Degree, Computer Science

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