Ezra Fu Email: codeplay0314@gmail.

com
Mobile: (412)295-9798
Seeking 2025 Spring SDE / MLE Full-time Opportunities

EDUCATION
Carnegie Mellon University Pittsburgh, Pennsylvania
Master of Science in Information Networking Jan. 2023 – Dec. 2024
• GPA: 4.0 | Relevant Courses: Intro to Computer Systems, Distributed Systems, Storage Systems, OS Design and Implementation,
Parallel Computer Architecture and Programming, Fundamentals of Telecommunications Networks, Intro to ML, NLP.
• Leadership: TA for NLP Course (11-411/611); President of Graduate Organization @INI; Graduate Student Assembly Rep.
Fudan University Shanghai, China
Bachelor of Science in Computer Science Sep. 2018 – Jun. 2022
• Awards: Excellent Graduate of Fudan University, 2022; Outstanding Student Scholarship (2018 – 2022).
• Competitions: Silver Medal, ICPC Asia-East Continent Final Contest; Gold Medal, ICPC Asia Regional Shanghai (2020).
• Publication: “Understanding the User Interactions on GitHub: A Social Network Perspective”, CSCWD’21.

PROFESSIONAL EXPERIENCE
Apple Seattle, Washington
Software Engineering Intern, AIML - Siri and Information Intelligence May 2024 – Aug. 2024
• Working on the projects focusing on improving cross device experience for Siri using Swift and Objective C.
• Maintaining and iterating an internal feedback application collecting data on Siri experience with Swift and SwiftUI.
• Analyzing and tuning multiple device signals relevant to cross device Siri requests.
Bilibili Group (NASDAQ: BILI) Shanghai, China
Machine Learning Engineer Intern , AI Tech Dept May 2021 – Jun. 2022
• Maintained the recommender system in C/C++, handling over 1 billion daily requests, focusing on re-ranking and diversity control.
• Innovated three approaches to match candidates for the recommender system, boosting CTR by 1%, 3%, and 1%, respectively:
▪ Identified potential episodes from video series by analyzing patterns in video titles using sequence-to-sequence models.
▪ Applied GNN to find related videos with similar embeddings using data processed by Airflow, MapReduce, and Bash.
▪ Utilized BERT model in TensorFlow with HNSW algorithm to match cold-start videos having similar titles.
• Established BI for the rec system with Presto and Hive, providing data support for company-level user-growth strategy meetings.
ByteDance (Parent company of TikTok) Shanghai, China
Software Engineer Intern, Data Dept Jan. 2021 – Apr. 2021
• Improved feed request access across platforms (TikTok, Douyin, etc.) to the advertising system's landing page optimization service
using C/C++ on Linux servers, resulting in a 1% higher conversion rate and enhancing user experiences.
• Deployed an online FreeType mechanism to support 40+ languages for the image rendering service for international advertisers.

SKILLS
• Programming Languages & Tools: C/C++, Python, Swift, Go, Java, JavaScript, PyTorch, TensorFlow, Linux, Git, Docker, Bash
• Data Technologies: MySQL, Redis, Neo4j, Hadoop (HDFS, MapReduce), Hive, Presto, Airflow, Kafka, Storm, Zookeeper

PROJECTS
Pebbles Kernel and Paravirtualization Operating System Design and Implementation , Spring 2024
• Implemented a Unix-like kernel from scratch, supporting multiple virtual memory address via paging, preemptive multitasking, and
a set of important system calls, and supplying device drivers for the keyboard, the console and the timer.
• Wrote a user-level thread library based on the kernel, including synchronization primitives such as mutexes and condition variables.
• Transformed the kernel into a hypervisor capable of hosting itself (using paravirtualization).
Common Good Progressive Web Application Thematic Development-based Project, Spring 2024
• Migrated the account signup process from web to the app communicating results to the server within a Svelte-based architecture.
• Conducted a thorough security audit within the codebases and infrastructure of Common Good with tools like SonarQube.

SELECTED AWARD
• Dec. 2016 - First Prize of the National Olympiad in Informatics in Provinces (NOIP 2016)

Last updated: July 10, 2024