# Haozheng(Chuck) Liang

> Software Engineer @TikTok | Ex @Pendulum

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/haozhengchuck

Full-stack engineer with strong frontend depth, delivering high-quality UI, RAG-powered features, and data-driven platforms at TikTok. Built real-time dashboards, content tools, MCP for Copilot, RAG knowledge based and AI/LLM-driven experiences used by global creators.
Experienced in Typescript, Go, Python, React, SEO, Redis, MySQL and cloud environment.

## Work Experience
### Full Stack Software Engineer @ TikTok
Jan 2023 – Present | San Jose, California, United States
Developed RAG pipelines (Python, vector databases, text embeddings) and an MCP server for the LLM assistant, improving user retention and accelerating creator skill progression.

Built full-stack, data-driven platforms for TikTok Effect House, including real-time leaderboards, analytics dashboards, and content management systems using React, Go, Redis, MySQL, and ClickHouse.

Delivered high-performance frontend experiences using React, TypeScript, Redux, SSR/CSR, and SEO optimizations to boost discoverability and creator engagement.

Built TTEH learning resources, documentation systems, and guidance workflows that improved Effect Designer onboarding and supported creator growth.

Designed internal automation tools and operational platforms that improved workflow efficiency by over 50%.

Enhanced engineering velocity by strengthening DevOps pipelines, CI/CD automation, A/B testing infrastructure, and leveraging AI-assisted development.

### Full Stack Software Engineer Intern @ Pendulum
Jan 2023 – Jan 2023
• Maintained front-end application stability and test functional features for an early-stage startup.
• Performed unit testing with jest to increase test coverage of front-end system from 0% to 40%.
• Increased back-end API test coverage to 40% with pytest on the back-end RESTful API.

### Full Stack Software Engineer Intern @ ACHORD
Jan 2023 – Jan 2023 | St Louis, Missouri, United States
•	Website: https://achordlessons.com 
•	Developed a platform for students to schedule classes and chat with music teachers for a startup.
•	Created a 4-page front-end UI with JavaScript and React based on the design in Figma.
•	Increased delivery efficiency by 100% with GitHub Action to automate the CI/CD process. 
•	Increased 40% subscriptions by Integrating Stripe API for teacher subscription payment.

### System Security Teaching Assistant @ Washington University in St. Louis
Jan 2022 – Jan 2022 | United States
1. In class, helped students understand the concepts and methods taught in class.
2. Graded student assignments.

### Research Assistant @ Xiamen University
Jan 2019 – Jan 2019
• Processed and cleaned 200 GB Freebase dataset .
• Used cluster algorithm to partition 200 GB Freebase dataset into multiple clusters to use less RAM when training.
• Enabled the speedup of training models using GPU computing in C++ ArrayFile.
• Achieved knowledge semantic representation enhanced by textual descriptions to improve the performance of link prediction model

### Software Product Manager Intern @ Midea Finance
Jan 2019 – Jan 2019 | China
1. Assisted task assigning during design phase of the new microservice system.
2. Tested Java backend and understand microservice architecture
3. Assisted and tooked note on weekly standup meeting.


## Education
### Master of Computer Science in Data Processing
Washington University in St. Louis

### Bachelor of Engineering - BE in Digital Media Technology
Xiamen University


## Contact & Social
- LinkedIn: https://linkedin.com/in/chuckliang2023

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Source: https://flows.cv/haozhengchuck
JSON Resume: https://flows.cv/haozhengchuck/resume.json
Last updated: 2026-03-29