Yu Long

Yu Long Email and Phone Number

SWE Intern @ Citadel Securities | EECS Major at UC Berkeley
Yu Long's Location
Berkeley, California, United States, United States
About Yu Long

Resume: https://reimirno.github.io/resume/

Yu Long's Current Company Details

SWE Intern @ Citadel Securities | EECS Major at UC Berkeley
Yu Long Work Experience Details
  • Citadel Securities
    Software Engineer Intern
    Citadel Securities Jun 2024 - Aug 2024
    Miami, Florida, Us
    Not disclosed due to NDA
  • Uc Berkeley Electrical Engineering & Computer Sciences (Eecs)
    Undergraduate Student Instructor (Ta)
    Uc Berkeley Electrical Engineering & Computer Sciences (Eecs) Jan 2022 - May 2024
    Berkeley, Ca, Us
    • Serve as Undergraduate Student Instructor (TA) in CS169 (Software Engineering) for fall 2023/spring 2024, and in CS70 (Discrete Maths and Probability Theory) for summer 2022 and spring 2023, hosting discussion sessions with 20-30 students several times per week, 2 office hours per week, driving homework/exam creation.• Serve as Reader for spring 2022 and fall 2022 semester, in charge of office hours, homework rubrics creation and grading.
  • Uc Berkeley Electrical Engineering & Computer Sciences (Eecs)
    Research Assistant @ Barsky Lab
    Uc Berkeley Electrical Engineering & Computer Sciences (Eecs) Sep 2021 - May 2022
    Berkeley, Ca, Us
    • Parallelized a visual correcting display algorithm in two ways: using OpenCL and using OpenCV parallel-for, with 2x runtime gain.• Prototyped an Android app by porting native C++ codebase to Java which allows algorithm benchmarking on lower-end devices.
  • Paypal
    Software Engineer Intern
    Paypal May 2023 - Aug 2023
    San Jose, Ca, Us
    • Taking the lead in the design and development of a full-stack PayPal Merchant Partner Product quality suite that stores, filters and visualize product quality for various PayPal partners including Meta and Shopify across diverse countries, facilitating data-driven decision making, using latest stacks like Raptor, Next.JS, and Spring Boot. • Spearheaded the development and implementation of an innovative framework that integrates Jenkins jobs with TestRail, providing a fully seamless and automated framework to replace the cumbersome manual tests flow, significant boosting overall productivity.• Pioneered a live issue project that uses both traditional ML approaches and the latest LLM technologies (Meta’s Llama) that summarizes and identifies general patterns in live issue reports, empowering the team to discover and address problematic areas (e.g., webhooks).• Working in a highly globalized SCRUM team and collaborating with cross-functional groups in NA and Asia, contributing to efficient communications. I brought in the 30-second rule and two-pizza meeting which was adopted to various extents by different groups.
  • Epicomic Cultural Diffusion Co., Ltd.
    Software Developer & Dev/Ops
    Epicomic Cultural Diffusion Co., Ltd. Apr 2021 - Aug 2023
    • Led and successfully launched a commercial game in Unity (Sold over 100,000 copies on Steam) that supports 3-language localization, Steamworks Cloud Storage, keyboard/controller support, 50+ equipment, 30+ characters, 10+ dungeons and 6 DLCs.• Scoped, researched, designed, and launched a whole set of player data API backend with Alibaba Cloud and AWS services (serving player authentication, achievement tracking, score, leaderboard, inventory, trophies, etc.) that could be used in all games of our studio and works cross-platform (Desktop, Nintendo Switch, PlayStation), serving players globally.• Engineered UDP networking backends for Unity games using Mirror Networking, hosting and maintaining 10+ match making servers and relay servers around the globe, enabling low-latency matchmaking, and real-time multiplayer state synchronization.• Initiated game performance optimization efforts and transformed asset management using techniques including draw batching, texture atlas, async loading, leading to substantial memory savings of 2x-4x across multiple projects.
  • Coffeeverse
    Co-Founder
    Coffeeverse Oct 2022 - Feb 2023
    • Initiated a social platform democratizing college application industry by allowing applicants connect to college students via metaverse coffee chat.• Lead a team of 4 engineers to design, develop and document a full set of backend REST API using FastAPI, Poetry, Alembic and PostgreSQL following best practices, including modules like authentication, profile management, recommendation, payment and etc.• Built and deployed a containerized monorepo architecture with full CI/CD pipeline using Docker, Pytest with coverage, Github Action, Vercel and various AWS products (Elastic Beanstalk, RDS, S3, Lambda and SES).• Oversaw and worked with a contracted engineer to develop a frontend and communicated between engineers and the UI/UX team.
  • Instacoach
    Full Stack Engineer Intern
    Instacoach Sep 2022 - Nov 2022
    San Francisco Bay Area, Us
    • Built the overarching architecture for front-end in our new stack (Next.js) including route management, state management (with Redux and RTK Query) and cookie management.• Created and revamped several backend modules including authentication and SSO.
  • Toppa @ Berkeley
    Frontend Developer
    Toppa @ Berkeley Sep 2021 - Jan 2022
    Berkeley, Ca, Us
    • Developed the front end for an web app that generate course plans for Berkeley students based on their various preferences.• Implemented a animated, responsive design with an interactive schedule where students can customize the schedule generated by algorithm by just drag-and-drop.
  • Decode
    Web Developer
    Decode Sep 2021 - Nov 2021
    San Francisco, California, Us
    Participated in the development the official DECODE conference website that hosted 2000+ attendees.
  • A*Star - Agency For Science, Technology And Research
    Student Researcher Leader
    A*Star - Agency For Science, Technology And Research Jan 2019 - Apr 2020
    Singapore, Sg
    • Led a team to research auditory attention using a data science approach under Mr. Zheng Yang Chin’s mentorship. • Built the central algorithm to analyze electroencephalogram (EEG) data with linear regression and Pearson’s coefficient. • Planned, set up and carried out experiments with state-of-art EEG devices that stimulated Cocktail Party Effect.• Drafted a medal-winning research paper, delivered poster presentation in Singapore national science fair among 500 competing groups.

Yu Long Education Details

  • University Of California, Berkeley
    University Of California, Berkeley
    Electrical Engineering And Computer Sciences
  • Temasek Junior College
    Temasek Junior College
    High School Diploma
  • Nanchang No.2 Middle School
    Nanchang No.2 Middle School
    Middle School Diploma

Frequently Asked Questions about Yu Long

What is Yu Long's role at the current company?

Yu Long's current role is SWE Intern @ Citadel Securities | EECS Major at UC Berkeley.

What schools did Yu Long attend?

Yu Long attended University Of California, Berkeley, Temasek Junior College, Nanchang No.2 Middle School.

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