# Jiajun Liu > CS + DS @ UC Berkeley | Prev SWE Intern @ Microsoft Location: Berkeley, California, United States Profile: https://flows.cv/jiajun I'm a current UC Berkeley student majoring in computer science and data science with a concentration in computational biology. My career interests lie in Software Engineering and Computational Biology, and I am passionate about discovering how to apply these topics in various fields. ## Work Experience ### Teaching Assistant @ UC Berkeley Electrical Engineering & Computer Sciences (EECS) Jan 2026 – Present For CS 186: Database Systems ### Software Developer @ Codebase Jan 2023 – Present | Berkeley, California, United States A UC Berkeley student organization dedicated to building software projects for high-growth tech companies. ### Data Consultant @ SAAS Berkeley Jan 2024 – Present Worked on a project with Walmart, leveraging depth-sensing vision systems to enhance a model for precise object counting in video footage of employees placing items on and off palettes to optimize order accuracy and inventory management. ### Data Mentorship Developer @ SAAS Berkeley Jan 2023 – Jan 2024 | Berkeley, California, United States Completed an intensive training program focused on real-world data analysis through case studies, gaining expertise in data manipulation, visualization, and analysis using Python to prepare for a project with Mercari. ### Data Foundations Developer @ SAAS Berkeley Jan 2023 – Jan 2023 | Berkeley, California, United States - An organization dedicated to empowering students to explore Statistics and Data Science applications - Participated in a rigorous training program and attended weekly technical workshops to build real-world, relevant projects using skills and concepts such as probability, data visualization, and linear regression ### Tutor @ UC Berkeley College of Computing, Data Science, and Society Jan 2025 – Jan 2025 For Data 101/CS187: Data Engineering ### Software Engineer Intern @ Microsoft Jan 2025 – Jan 2025 ### Project Manager @ Passport Jan 2024 – Jan 2025 through Berkeley Codebase ### Software Engineer Intern @ Squarespace Jan 2024 – Jan 2024 | New York, New York, United States ### Senior Mentor @ Computer Science Mentors Jan 2024 – Jan 2024 Led junior mentors in helping teach instructional sections for an intro computer science course (CS61A). Also conducted weekly instructional sections on my own, focusing on fundamental CS topics such as abstraction, recursion, OOP, trees, and Scheme. ### Junior Mentor @ Computer Science Mentors Jan 2023 – Jan 2024 | Berkeley, California, United States Conducted weekly instructional lectures for a small group of students in CS88, focusing on fundamental CS topics such as abstraction, recursion, OOP, and trees. ### Software Developer @ Meta Jan 2024 – Jan 2024 Built a video processing tool to accurately track movement between frames utilizing C/C++ and Libvpx through Berkeley Codebase. ### Data Consultant @ Walmart Jan 2024 – Jan 2024 Leveraged depth-sensing vision systems to enhance a model for precise object counting in video footage of employees placing items on and off palettes in order to optimize order accuracy and inventory management through Berkeley SAAS. ### Data Consultant @ Mercari US Jan 2023 – Jan 2023 Created an NLP pipeline for Mercari, a digital marketplace, aiming to analyze search trends within specific categories through Berkeley SAAS. ### Software Developer @ Etsy Jan 2023 – Jan 2023 Reengineered the image upload pipeline for Etsy, an e-commerce company focused on vintage and artisanal products through Berkeley Codebase. ### Research Intern @ Triplebar Jan 2023 – Jan 2023 | Emeryville, California, United States Built a strain history database tool to visualize strain lineage information for Triplebar, a company that focuses on using synthetic biology techniques to create products that nourish, heal, and sustain our planet. Presented research findings at UC Berkeley Data Discovery Program showcase to 100+ students, professors, and data science professionals after internship conclusion. ### CS61A Academic Intern @ UC Berkeley Electrical Engineering & Computer Sciences (EECS) Jan 2023 – Jan 2023 | Berkeley, California, United States Provided support to teaching assistants during instructional lab sections by assisting students in debugging their code. Course content included abstraction, recursion, OOP, trees, complexity, interpreters in Python, Scheme, and SQL. ### Administrative Assistant @ University of California, Berkeley Jan 2022 – Jan 2023 | Berkeley, California, United States UC Berkeley Music Department - Assisted students with booking practice rooms, presenting curriculum info, and resolving inquiries at the front desk for 10+ hrs/week - Managed office administration such as filing paperwork, sending mail, and corresponding with students and teachers ### Software Developer @ Insight Housing Jan 2023 – Jan 2023 | Berkeley, California, United States - Developed a donation management portal with 7 team members for Insight Housing (formally Berkeley Food and Housing Project), a local non-profit dedicated to providing food, housing, and stability to the underprivileged across the Bay Area. - Built dashboard using React.js, Node.js, Express.js, and PostgreSQL for users to submit and manage donations ### Summer Research Intern @ FDA Jan 2021 – Jan 2021 | Silver Spring, Maryland, United States Food and Drug Administration, Oncology Center of Excellence Summer Scholars Internship - Researched and collaborated with interns and mentors to develop a presentation about breast cancer, presented to a group of 100+ medical professionals - Selected as team captain; managed to ensure project viability ## Education ### Bachelor of Arts - BA in Computer Science, Data Science University of California, Berkeley ### High School Diploma Lake Braddock Secondary ### Summer Program in Pre-College Medical Intensive Program The Johns Hopkins University ## Contact & Social - LinkedIn: https://linkedin.com/in/jliu618 - Portfolio: https://jiajunliu.me/ --- Source: https://flows.cv/jiajun JSON Resume: https://flows.cv/jiajun/resume.json Last updated: 2026-04-10