# John Chung > Software Engineer at Google | ML | Problem Solving Location: New York City Metropolitan Area, United States Profile: https://flows.cv/johnchung1 Software Engineer with hands-on experience leading the design, development, and deployment of innovative software solutions from scratch. Motivated self-starter focused on working with diverse cross-functional teams to build automated, data-driven services and products that optimize the user experience and maximize performance, quality, stability, and reliability at scale. ## Work Experience ### Software Engineer @ Google Jan 2023 – Present | San Bruno, California, United States YouTube Responsibility ### Teaching Assistant @ Cornell University Jan 2022 – Jan 2022 | Ithaca, New York, United States CS 4740: Natural Language Processing ### Undergraduate Research Assistant @ Cornell University Jan 2021 – Jan 2022 - Conducted research under the supervision of Professor Cardie with a focus on building few-shot named entity recognition models for low resource languages using pre-trained models, including RoBERTa and LUKE, and open-source text datasets. - Summarized and presented research papers on Attention mechanisms, Transformers, pre-trained models, and other NLP-related topics during weekly meetings and discussions to encourage conversation on relevant research topics. ### Software Engineering Intern @ Google Jan 2022 – Jan 2022 | Mountain View, California, United States - Built Ping Validator dashboard that enables YouTube engineers to access immediate ping validation results against ping processing pipelines to avoid unexpected production issues when they change ping reporting. - Configured gRPC protocol buffers and proto messages for defining Ping Validator RPC service, built and tested RPC server which handles RPC requests/responses using Google’s internal server development platform with C++. - Built frontend that communicates with RPC server and displays validation results with Python, Typescript, Lit Element and Material Design. ### Software Engineering Intern @ Riiid Jan 2021 – Jan 2021 - Achieved a 45% decrease in model size and 2/3 decrease in model inference time by applying PyTorch and Onnx quantization to user score prediction models within a language learning app for English exams with 3MM+ global users. - Managed CI/CD of the AI inference server, A/B test dashboard, and OneFlow repositories and implemented integration test automation with lint and test coverage using Github Action to decrease overall time for model deployment. - Developed an in-company dashboard for Riiid that displays company product info, market statistics (KPIs), and HR information using Typescript, React.js, Next.js, Vercel, Airflow, and Notion/Asana/Google Sheets API. - Built an in-company platform that enabled 150 users at Riiid to express opinions on specific parts of online/offline meetings with a web app and helped optimize content for presentations using Typescript, React.js, Next.js, Vercel, and Firebase. ### Founder/Data Engineer/Frontend Developer @ poner:se Jan 2020 – Jan 2021 - Founded an online female clothing store by building, enhancing, and maintaining a web/mobile eCommerce site that generated $1,500 in monthly profits. - Analyzed user data using Google Analytics/Big Query and conducted multiple A/B tests to optimize product photos, information, and social media content to maximize time spent on landing pages and drive new conversions. - Developed a product naming algorithm for SEO by combining keywords collected from keyword rankings. ### Research/Software Engineering Intern @ Samsung Electronics Jan 2020 – Jan 2020 | South Korea - Tested curriculum learning with difficulty metrics, including sentence length and word rarity, during training of neural machine translation models using TensorFlow’s seq2seq module to generate a 1.3 increase in BLEU score. - Applied morphology, subword, and BPE-based tokenizers to Korean and English raw text files and trained transformer-based seq2seq binary language models to test the performance of tokenizers on Ko-En Neural Machine Translation model. ### Sergeant/Squad Leader @ Republic of Korea Army Jan 2016 – Jan 2018 | South Korea ## Education ### Master of Engineering in Computer Science Cornell University Jan 2022 – Jan 2022 ### Bachelor of Arts - BA in Computer Science Cornell University ## Contact & Social - LinkedIn: https://linkedin.com/in/johnjonghyunchung --- Source: https://flows.cv/johnchung1 JSON Resume: https://flows.cv/johnchung1/resume.json Last updated: 2026-03-23