# Justin Tran > Senior Software Engineer at Roblox | Princeton CS '20 Location: San Francisco Bay Area, United States Profile: https://flows.cv/justintran I’m currently a Senior Software Engineer at Roblox on the Developer Monetization team where I work on all things related to Robux, the platform’s virtual currency! In 2020 I finished my B.S.E. in Computer Science at Princeton University and took my talents to the San Francisco Bay Area. Be sure to check out my website at justintranjt.me! I am passionate about working in the software engineering industry and have a strong Senior background in full-stack development with a specialization in distributed backend engineering and systems design. Experience with the following: Languages - C#, Java, Python, JavaScript, HTML/CSS, SQL, Go, C, OCaml, R, Verilog, Kotlin Technologies/Frameworks - .NET, React, Redis, Kafka, Node.js, Angular, Flask, Vue.js, Bootstrap, MSSQL, PostgreSQL, Git, Nginx, Spark, Airflow, Electron, Android, Quarkus ## Work Experience ### Senior Software Engineer @ Roblox Jan 2022 – Present ● Led architecture design and implementation of NextGen Purchasing, a purchasing platform handling over 30M transactions per day. Increased success rates to 99.999% resulting in extensive increases in user spend. Directed year-long projects to migrate over 10 different teams to the new purchasing platform while avoiding major incidents for virtual products responsible for driving over 90% of all Roblox revenue. ● Coordinated and executed development of the Currency Wallets project responsible for creating an idempotent and highly available ordered ledger acting as the source-of-truth for Roblox’s virtual currency movements totaling up to $50M per day. ● Guided a team to develop the Robux Grant Request tool for automating large-scale currency transfers between developers, support agents, and the CEO resulting in faster iteration and saving employees hours per week. ● Mentored junior engineers and interns on successful Virtual Reporting and Purchasing projects leading to promotions and return offers. ### Software Engineer @ Roblox Jan 2019 – Jan 2022 | San Francisco Bay Area ● Performed a full-stack microservice redesign of the Transaction History feature utilizing SQS and Elasticsearch to process 80M financial transactions per day and improve developer insight into key earnings metrics. ● Enacted stronger engineering testing and documentation practices among the Developer Monetization team to increase knowledge sharing and safer deployment and development practices. ● Implemented system for accessing formerly unavailable international payment providers to generate $8M per year. ● Rebuilt the Robux Transactions page with React to follow modern standards and practices allowing for increased engineering velocity. ### Software Engineering Intern @ Roblox Jan 2019 – Jan 2019 | San Francisco Bay Area ● Created a system using C# and .NET Core for generating and redeeming Gift Card codes accounting for $10M of revenue per year. ### Technology Consultant @ Princeton University Jan 2017 – Jan 2019 | Princeton, New Jersey ● Compiled large datasets held in SQL databases containing known phishing and security threats targeting university students and administration. ● Developed an automatic threat recognition service using a natural language processing algorithm in Python to scan all incoming emails to university addresses for possible malware or phishing. ### Software Engineering Intern @ Aidoc Medical Jan 2018 – Jan 2018 | Tel Aviv, Israel ● Designed an automated exception-catching system for client-side Electron apps using JavaScript and proxied through hospital firewalls with Nginx, improving response time to system failures by 60%. ● Integrated a Python WSGI server on Windows into a Flask widget using asynchronous workers and multi-threading to serve requests, decreasing client wait times by 40%. ● Developed a JSON webhook between Microsoft Azure and an incident management system (VictorOps) allowing the IT team to monitor the virtual machines 24/7. ● Created a JavaScript source map to de-minify bundled code in Electron apps, letting the IT team debug crashes. ## Education ### Bachelor’s Degree in Computer Science (Major), Asian American Studies (Minor) Princeton University Jan 2016 – Jan 2020 ### Certificate in Entrepreneurship/Entrepreneurial Studies Reichman University Jan 2018 – Jan 2018 ### Environmental History University of Namibia Jan 2017 – Jan 2017 ### Aloha High School Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/justintranjt - Website: https://justintranjt.me/ - GitHub: https://github.com/justintranjt --- Source: https://flows.cv/justintran JSON Resume: https://flows.cv/justintran/resume.json Last updated: 2026-03-23