Andrew Dinh

Work Experience

OpenSSL

Software Engineer

AUG 2024 - PRESENT

Maintainer of OpenSSL, a widely used open-source cryptographic library that secures global internet communications
Added support for modern security standards like post-quantum cryptography and QUIC
Measured performance of commonly used capabilities to provide insight into opportunities for increased throughput
Engaged with community members and companies across diverse industries to address critical security issues, improve documentation, and fix bugs

Homepage GitHub

Apple

Software Engineer - Proactive Intelligence

FEB 2022 - OCT 2023

Provided personalized suggestions to users by utilizing a knowledge graph generated from on-device data
Designed a highly-performant system to keep battery usage to a minimum
Reduced CPU and memory usage by 15% by analyzing stack traces and memory graphs
Added diagnostics and client-side metrics to triage issues affecting power users

Homepage

Apple

Software Engineer Intern - Ad Platforms

MAY 2021 - AUG 2021

Implemented features in backend infrastructure to assist tracking of employee compensation and client onboarding status
Collaborated with partner teams to coordinate data scheme changes for analytics pipelines to consume and interpret upstream updates
Worked closely with QA to validate backwards compatibility and ensure 0-downtime upgrades

Search Ads

SumUp Analytics

Software Engineer

DEC 2019 - OCT 2020

Researched trends in online search by using NLP to categorize relevant keywords from search engines
Designed a browser extension and corresponding backend REST API to display results in webpages for clients to easily browse
Created Jupyter notebooks to visualize and compare performance of NLP models for team members to analyze

Nucleus SDK

Education

University of California, Berkeley

B.A in Computer Science

AUG 2019 - DEC 2021

Data Structures, Efficient Algorithms, Operating Systems, Computer Security, Database Systems, Information Devices and Systems, Programming Languages and Compilers, Artificial Intelligence

Gavilan College

A.S in Computer Programming |

A.A in Natural Science

AUG 2015 - AUG 2019

C++, Python, UNIX/Linux, Java, Assembly Language, Discrete Structures, Webpage Authoring, Human Anatomy & Physiology

Projects

System Administration

Self-hosted network services and web applications

Docker, Linux, Nginx, Apache

Self-hosts web applications and network services using multiple Linux servers
Deployed Nextcloud to sync files, calendar, and reminders between mobile and desktop devices
Utilized Docker to easily containerize and upgrade applications while using Nginx as a reverse proxy to serve each on its own subdomain
Uses Nginx to reverse proxy services and serve this website

Via

An efficient text editor written in Rust

Rust, CLI, piece table

Inspired by Vim, supporting its keybindings and basic commands
Ability to use a mouse to move the cursor and select text
Implemented a piece table data structure for efficiently inserting text
Designed from the start to handle text files of arbitrarily large sizes by only loading what fits in the viewport

GitHub

Death Code

Share your secrets after death

Python, Flask, Docker

Utilizes Shamir's Secret Sharing scheme to safely share secrets with others
After splitting a secret among a group of people, the secret can only be reconstructed once a sufficient number of people combine their parts together, presumably only after you are gone from this earth
Has a CAPTCHA for preventing brute-force attempts

GitHub

Fund Indicators

Python application to find indicators of mutual fund performance

Python, Beautiful Soup, NumPy, qualitative analysis

Allows investors to easily find relationships between various attributes of mutual funds and previous performance
Designed to be extremely reliable and error-tolerant by using multiple data sources and caching requests
Based off the research detailed in Performance Indicators of Mutual Funds, this program uses NumPy to analyze results and calculate key values to make predictions

GitHub

Competitions

Allium Hacks

Coding competition

Gilroy | 1st Place

Web application that allowed users to have real-time, collaborative conversations with an artificial intelligence implementation named Jade
WebSockets and Flask were used to create a seamless conversation with Jade AI

Jade AI

CyberPatriot

Cybersecurity competition

San Jose | 3rd place

Worked in a mock scenario to upgrade the infrastructure of a company that had recently suffered a data breach
Implemented best security and operational practices while maintaining the specific company settings, software and data intact

Homepage News

Cal Hacks 6.0

World’s largest collegiate hackathon

UC Berkeley

Created AJA Messenger, an Android app which filters spam using machine learning
Collaborated with companies like Google and Facebook, utilizing their existing technologies to create our own mobile application

Homepage Product

California Cyber Innovation Challenge

Cybersecurity competition

Cal Poly, San Luis Obispo

Collected and analyzed a combination of digital and physical evidence in order to stop a healthcare themed cyber plot
Utilized state-of-the-art forensive tools including Wireshark and Burp Suite to extract and collect digital evidence
Used a combination of technical, analytical and persuasive skills to "prove our case" to a panel of judges

Homepage

Skills

Languages

Python
Java
C
Go
Rust
OCaml

Software

Docker
Linux
Nginx
Apache

Web Development

HTML
JavaScript
jQuery
Bootstrap
SQL

Other

Browser extensions
LaTeX
Google Suite
Microsoft Office
Cybersecurity

Interests

Travel

The world is your oyster

Recently spent 9 months traveling throughout the world
Enjoys trying new activities, experiencing new cultures, and making friends from diverse backgrounds

Digital Privacy

Privacy is a fundamental human right

Defend against surveillance

Taught a 60+ person class at UC Berkeley about digital privacy
Advises others in securing their online identities from nefarious actors
Strong proponent of freedom of speech and against online censorship
Supports open source projects and privacy-conscious services

Digital Privacy DeCal PrivacyTools

Open Source Software

Contributor

Donates to open source projects regularly
Contributes to free and open source software
Proponent of copy-left licenses like AGPL

Open Collective Open Source Initiative

Photography

Amateur photographer

Lightroom, Photoshop, GIMP

Experienced with landscape and portrait photography
Takes picture using a Canon EOS Rebel T3 DSLR camera

Portfolio