# Siyuan Wang

> Software Engineer - Security at TikTok

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

Data Security @ TikTok/ByteDance

Core: Go (Golang), Java, Python (Django), AWS, GCP, SQL and NoSQL databases, Snowflake, JavaScript (Node.js), ETL pipelines, Kafka, Flink and analytics, Docker microservice architecture.

Sectors: Cyber security, Internet traffic gateways, Cloud security, Payments, AI (Artificial Intelligence) and NLP (Natural Language Processing)

## Work Experience
### Software Engineer @ TikTok
Jan 2024 – Present | San Francisco Bay Area
Security org @ TikTok/ByteDance

### Senior Software Engineer @ NewtonX
Jan 2023 – Jan 2023 | New York City Metropolitan Area
departure: layoff
Core: NXC (NewtonX Community) signup and onboarding, identity verification process and payment services

### Software Engineer @ DoorDash
Jan 2022 – Jan 2022 | San Francisco Bay Area
departure: https://www.cnbc.com/2022/11/30/doordash-lays-off-1250-employees.html
Core: New Vertical Cuisine Filters (NVCF), homepage feed, carousel ranking, store ranking, item ranking, metadata management, query performance, ETL pipelines

### Software Engineer @ Lacework
Jan 2019 – Jan 2021 | San Francisco Bay Area
Bay Area unicorn company
Core: Lacework Query Language (LQL), AWS, Microsoft Azure, GCP (Google Cloud Platform), Docker container security, visibility & compliance, API design, metadata management, query performance, query generation, compiler, syntax tree, code generation

### Software Engineer @ ThoughtSpot
Jan 2018 – Jan 2019 | San Francisco Bay Area
Bay Area unicorn company
Core: Business Intelligence, Artificial Intelligence, Natural Language Processing, Java 8, JUnit and Spring frameworks, Apache Maven, database query generation, aggregation, transformation, filtration, and visualization, Single Sign-On (SSO), SAML, LDAP, Google protocol buffers serialization, Kubernetes clusters, data warehousing, Postgres (PostgreSQL), RESTful API, Row Level Security


## Education
### Bachelor's degree in Computer Science
University of Waterloo


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

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