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Jeffrey Hwang

Senior Software Engineer

Staff Software Engineer at Riot Games

Marina del Rey, California, United States

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Jeffrey Hwang's Email Addresses & Phone Numbers

Jeffrey Hwang's Work Experience

Polymail

Senior Software Engineer

January 2017 to July 2018

Greater Los Angeles Area

ViaSat Inc.

Software Engineer

August 2014 to January 2017

Carlsbad, CA

Voltly

Co-founder & Software Engineer

June 2013 to March 2014

Los Angeles, CA

Jeffrey Hwang's Education

American High School

2006 to 2010

University of California, Los Angeles

Bachelor of Science (B.S.), Electrical Engineering

2010 to 2014

Jeffrey Hwang's Professional Skills Radar Chart

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Self-sufficient
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About Jeffrey Hwang's Current Company

Polymail

• Lead engineer, responsible for designing, developing, and maintaining our backend infrastructure all written in Go.• Conducted a successful live migration of over 1TB of user data from DynamoDB to Cloud Spanner. Wrote code to coordinate / monitor the process.• Pioneered security initiatives to re-enforce our infrastructure though stricter AWS IAM policies, proper token expiration, HTTP security...

About Jeffrey Hwang

📖 Summary

Senior Software Engineer @ Polymail • Lead engineer, responsible for designing, developing, and maintaining our backend infrastructure all written in Go.• Conducted a successful live migration of over 1TB of user data from DynamoDB to Cloud Spanner. Wrote code to coordinate / monitor the process.• Pioneered security initiatives to re-enforce our infrastructure though stricter AWS IAM policies, proper token expiration, HTTP security headers, and thread modeling.• Collaborated with the CTO to design flexible data models to support future functionality, and database schemas for optimized query performance.• Responsible for writing and testing our billing code as business demands change as we introduce: consolidate billing, new tiers & grandfathered plans.• Wrote a lightweight search engine to parse syntax & apply search filters.• Designed client side architecture for our web application to sync cached resources and manage background tasks Web Workers, Observables, and Redux.• Contributed bugfixes to the Go standard library. From January 2017 to July 2018 (1 year 7 months) Greater Los Angeles AreaSoftware Engineer @ ViaSat Inc. Satellite Control Applications• Part team, responsible for delivering high availability software to coordinate the satellite and ground infrastructure.• Responsible for development and integration of two microservices, written in Go and Python, that communicate with embedded software developed by other teams in the company.• Developed and maintained a client library written in C++ for embedded devices to communicate with my team's subsystem.• Convinced my team to switch from C to Python. Then ported most of the codebase to Python, while using SWIG to interface with the rest of the legacy code.• Spent 12-weeks leading a team of 3 interns to create a client library written in Go to communicate with internal messaging services. Conducted design reviews, code walkthroughs, daily scrum meetings, and one-on-one meetings with the interns.• Driving the process for adding dev ops instrumentation to our system, such as centralized logging, and application metric collection.• Designed a RESTful interface for test automation scripts to interact with my team's subsystem, using RAML spec and api console for generating pretty human readable documentation• Part of the University Recruitment team, talking to potential candidates at career fairs and conducting onsite interviews.Tactical Data Links• Wrote an automation script in Python to orchestrate various test equipment and capture key metrics, in order to help streamline production pipeline.• Created PL blocks in VHDL to test digital hardware components. From August 2014 to January 2017 (2 years 6 months) Carlsbad, CACo-founder & Software Engineer @ Voltly "Voltly is a cloud platform for embedded devices & other microelectronics (i.e. smartphones) to communicate with each other via the internet."• Developed a TCP server in Golang to handle connections from embedded devices.• Worked with REST API server to add new endpoints for our evolving set of features.• Worked with NoSQL Cassandra to store time series data gathered from embedded devices.• Designed and prototyped the circuitry for our proof-of-concept, a Voltly controlled device that displayed bi-directional communication. Pushing commands to control a fan and gathering time series data from an thermal sensor.• Worked on systems integration between our TCP server, API server, and Arduino platform.• Pitched and demoed our idea to potential investors throughout Bay Area and Southern California. From June 2013 to March 2014 (10 months) Los Angeles, CATechnical Staff @ Edgerton Neuromuscular Research Lab • Assisted in developing 3D (roll, pitch, yaw) perturbation platform for testing animal balance• Made platform at machine shop from spare acrylic material and aluminum rods• Integrated Arduino, stepper motors & force pad sensors into the platform • Created GUI interface for easy interpretation and analysis for researchers in the lab From February 2013 to September 2013 (8 months) UCLAResearch Assistant @ Judylab: Neuroengineering Department • Used MATLAB to simulate and test a signal processing algorithm to be use in an ASIC. • Wrote a Verilog test bench for a 10th order FIR filter, and tested it using Modelsim• Researched power consumption of different FIR filters using 90nm technology, analyzing data from different papers and consolidating them into an excel spreadsheet. From March 2012 to March 2013 (1 year 1 month) UCLASoftware Contractor (part-time, remote) @ Polymail • Worked on a library to produce, consume, and perform ETL operations on data from a Kafka cluster, which enabled writing adaptive microservices with a few lines of code.• Increased test coverage by 40% by introducing best practices, such as, table-driven tests, snapshots, and test vectors.• Researched and created a high level consumer library for DynamoDB streams.• Worked on internal REST API, creating new resources and routes From June 2016 to January 2017 (8 months) Greater Los Angeles AreaStaff Software Engineer @ Riot Games Greater Los Angeles Area


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Frequently Asked Questions about Jeffrey Hwang

What company does Jeffrey Hwang work for?

Jeffrey Hwang works for Polymail


What is Jeffrey Hwang's role at Polymail?

Jeffrey Hwang is Senior Software Engineer


What is Jeffrey Hwang's personal email address?

Jeffrey Hwang's personal email address is j****[email protected]


What is Jeffrey Hwang's business email address?

Jeffrey Hwang's business email addresses are not available


What is Jeffrey Hwang's Phone Number?

Jeffrey Hwang's phone (213) ***-*843


What industry does Jeffrey Hwang work in?

Jeffrey Hwang works in the Computer Software industry.


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Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

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