# Ruoyang Liu > Full-Stack Engineer at Arklex AI Location: New York, New York, United States Profile: https://flows.cv/ruoyang Product-focused full-stack engineer with a strong background in building user-impactful features across frontend, backend, and infrastructure and 2-year of experience. Fast learner and adaptable team player with a proven record of cross-functional collaboration with engineering, product, sales and customer success teams. Experienced in working directly with customers as a technical sales engineer and customer success, supporting onboarding, gathering feedback, and translating real-world needs into scalable solutions that drive product success. ## Work Experience ### Full Stack Engineer @ Arklex AI Jan 2024 – Present Tech Stack: Golang, Javascript (React), Python Infrastructure: AWS, Kubernetes, Docker Databases: MySQL, Redis, Milvus, Influx DB - Led the end-to-end design and development of the core product—a web platform for configuring, testing, and analyzing text and voice AI agents. - Drove product-led growth by implementing user tiering, rate limiting, billing infrastructure, and self-serve onboarding. - Established and standardized a robust CI/CD pipeline to improve deployment speed and reliability. - Collaborated closely with the machine learning team to integrate and productionize our open-source AI agent framework. - Worked directly with 10+ enterprise customers to deeply understand their use cases and delivered high-impact, product-centered features for our web platform based on their feedback. ### Full Stack Developer @ Arklex AI Jan 2023 – Jan 2024 | New York, New York, United States ### Course Assistant @ Columbia University Jan 2023 – Jan 2023 | New York, New York, United States CA for Introduction to Data Visualization Assist professor Christian Swinehart with quiz preparation, homework grading and logistics. Hold office hours each week. ### Undergraduate Student Researcher @ University of California, Davis Jan 2021 – Jan 2022 | Davis, California, United States Conducted research in visualization techniques for complex networking data under supervision of professor Kwan-Liu Ma. ### Cloud Computing and Data Analysis Architect Assistant Intern @ Intel Corporation Jan 2021 – Jan 2021 | Beijing, China Tested Clickhouse performance and recorded and analyzed benchmark tests. ### Research Intern @ Tsinghua University Jan 2021 – Jan 2021 | Beijing, China At the Future Laboratory, Tsinghua University Supported data analysis of experimental results from the Olfactory-Related Applications team; Worked in an interdisciplinary environment to analyze EEG brain activity data during sleeping. ## Education ### Master's degree in Computer Science Columbia University Jan 2022 – Jan 2024 ### Bachlor's in Mathematics and Computer Science University of California, Davis Jan 2018 – Jan 2022 ## Contact & Social - LinkedIn: https://linkedin.com/in/ruoyang-liu-3486531b0 --- Source: https://flows.cv/ruoyang JSON Resume: https://flows.cv/ruoyang/resume.json Last updated: 2026-04-01