CALVIN LEUNG

SOFTWARE ENGINEER

San Francisco, California, US

EMAIL
[email protected]

PHONE
(209) 666-4419


PROFILES

GitHub

ABOUT

Innovative Software Engineer with 5+ years of experience in developing scalable software solutions, specializing in data-driven systems and cross-platform applications. Proficient in full-stack development using Swift, Ruby, Python, and JavaScript, with expertise in building real-time data pipelines, iOS apps, and cloud-based infrastructure on AWS. Expertise in automating complex workflows, optimizing processes, and delivering scalable solutions.

WORK EXPERIENCE

Senior Software Engineer, GraphWear Technologies Inc.

October 2021 - Present

The world's first needle-free continuous glucose monitoring wearable.

HIGHLIGHTS

  • Worked on critical internal web dashboards, allowing teams to monitor and parse millions of data points in real-time across 7+ days.
  • Designed and built iOS application for company's manufacturing execution system (MES), enabling teams to track and log every step of the manufacturing process, reducing manual data entry by 10x.
  • Developed a scalable and adaptable data pipeline from bluetooth device, to iOS app, to API server capable of ingesting up to 200 million data points a year.
  • Collaborated with hardware and data engineering teams to develop a robust protocol for sending real-time data wirelessly between the hardware and iOS app, enabling a 15x increase in data throughput.
  • Created a python-based web server responsible for parsing millions of data points and automating tasks performed by the data science team, greatly reducing manual workload for the entire company.

Software Engineer, Verge Inc

December 2018 - October 2021

Cloud Based Social HR Software. From hire to retire in the most advanced way.

HIGHLIGHTS

  • Collaborated with 20+ partner companies to implement cross-platform features and integrations, creating seamless syncing between the two platforms.
  • Single-handedly design, implemented, and deployed company payroll/taxes system for all US and Canadian clients.
  • Lead the company in key cybersecurity certifications and implementations, netting the company several key clients.

SKILLS

Programming Languages

Swift Ruby Javascript Python C# Java Lua

Web Development

Ruby on Rails Javascript HTML/CSS Vue Flask Django Node.js JSON

iOS Development

Swift Objective-C UIKit SwiftUI Core Data Xcode Core Bluetooth

Databases

PostgreSQL SQLite MySQL MongoDB Redis

Cloud Computing

Docker AWS EC2 ECS RDS VMs VPS

Networking

RESTful APIs JSON Bluetooth

Tools/Frameworks

Git VSCode Version Control AI Agile Unit Testing

EDUCATION

Bachelor, Computer Engineering - San Jose State University

- December 2017

INTERESTS

Self-Hosting

Open-source Sys Admin Virtual Machines Docker

Game Development

Unity3d Love2d Procedural generation

LANGUAGES

English

Fluency: Native speaker

Chinese

Fluency: Basic understanding