# Steve Z. > Software Engineer (LLM / AI Agent) | ex-Meta, AI startup | Backend, Full-Stack, Machine Learning, Distributed System Location: San Francisco Bay Area, United States Profile: https://flows.cv/stevez I’m a Software Engineer generalist with hands-on experience bridging software development and generative AI, passionate about tackling tough challenges and constantly growing. My recent achievements: - Developed a Video AI Agent from 0 to 1, enabling real-time, flexible video analysis for diverse use cases — this project was showcased at CES 26. - Also proposed and developed a Evaluation framework that measure the Eval metrix for more insights and drive decision-making. - Built a distributed ML Platform from the ground up that significantly improved machine learning engineers' productivity by simplifying infrastructure management, allowing MLEs' to focus on algorithms instead of heavy engineering workloads. I am always eager to learn new technologies and collaborate with talented teams to deliver high-quality results. ## Work Experience ### Software Engineer @ Kneron Jan 2023 – Present | San Diego, California, United States Generative-AI, LLMs, VLMs, video-to-text Computer Vision, Multimodal Technologies Distributed ML Platform at scale ### Software Engineer @ Meta Jan 2022 – Jan 2022 | Menlo Park, California, United States Instagram Camera Creation Topic: Back-End/Full-Stack Development - Progressed User-Exp: Accelerated Auto-Created-Reels and upgraded clips' quality by developing Server Side Sound Sync Algorithms. - Increased developing-efficiency by building Sound Sync Debugger Tool which improved IG Reels media trimming algorithm quality. - Advanced versatility and flexibility of Server Side Auto-Created-Reels by extending functionalities. - Contributed Wikis for Sound Sync Debugger Tool, Story Highlights Preview Tool, and Server Sider Sound Sync. ### Software Engineer @ Instagram Jan 2022 – Jan 2022 | Menlo Park, California, United States ### Software Engineer @ Tencent Jan 2021 – Jan 2021 | Shanghai, China Tencent is the world's largest video game vendor, as well as one of the most financially valuable companies. Topic: Back-End Development Skills: Golang, Linux, Git, MySQL, Shell, HTTP, curl, JSON, ElasticSearch, ClickHouse Algorithms Services Proxy Framework -Established ElasticSearch data proxy service implementing read & write for HTTP requests. Tested data proxy service by querying data via ElasticSearch statement and sending HTTP requests via curl. -Implemented synchronization of Teams & Games tags from old-tags-system or JSON string in to new-tags-system among League of Legends(LOL), League of Legends Mobile, and Teamfight Tactics via MySQL. -Designed new APIs for operation platform to filter tree-storage tags' visibility depended on various scenarios, businesses, and root tags, adopting idea of DFS. -Reduced over 90% database access by setting up cache servers utilizing Go’s concurrency advantages.. Content Pool System -Responsible for building entire BI(business intelligence)-platform services connecting with ClickHouse proxy service and handling front-end HTTP requests for getting useful information from billions rows of data. Designed interfaces protocols(fields as request & response parameters) specifications to meet new product requirements. -Connecting interface protocol between Front-End and DataBase. -Conducted load throttling(QPS-limit), SQL injection prevention, errors & slow queries logs, logical design & data-cleansing, exception handling, files downloading, etc. -Collaborating with front-end engineers to debug on Operation Development Platform(automatic deployment). ### Software Engineer @ douban Jan 2020 – Jan 2021 | Beijing, China Douban is the 6th most popular social media website in China. Topic: Back-End Development Skills: Python, Go, Linux, Git, MySQL, Shell, Kafka, flask,Debug, DAE(PaaS) -Collected verified-authors' preference information via RPC and MySQL multi-column indexes and sent it to operation department. -Optimized Python script by amortizing RPC calls to avoid high concurrency, reduced running time by 40%. Analyzed logs via shell commands. -Fixed page for thing & game 404 bugs in https://m.douban.com/. Found problems via python debugger, web debugger according to web framework. Test changes on DAE(Douban App Engine)(a PaaS). Finally, my modification was merged onto the project. -Added ‘inserting games’ as new features in note-create. Appended `episodes information` for films & TV shows. -Collected top 1000 popular celebrities' birth & death for memorial calendar to support product department. -Optimize performance of slow query of black-list by restructuring MySQL table(adding fields, query time reduced from 3000ms to 200ms. ## Education ### Master's degree in Computer Science Stevens Institute of Technology Jan 2021 – Jan 2022 ### Bachelor of Engineering - BE in Communication Engineering University of Electronic Science and Technology of China Jan 2016 – Jan 2020 ### Bachelor of Engineering - BE in Communication Engineer University of Glasgow Jan 2016 – Jan 2020 ### High School in Science 广州中学 Jan 2013 – Jan 2016 ### Junior school student Secondary school affiliated to Jinan University Jan 2010 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/zhukewen --- Source: https://flows.cv/stevez JSON Resume: https://flows.cv/stevez/resume.json Last updated: 2026-03-22