Daniel Tsui

VP of Engineering

Amsterdam, North Holland, Netherlands19 yrs 7 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Led a team of over 30 engineers at Uber.
Developed a Blackbox monitoring platform for rapid outage detection.
Pioneered end-to-end testing initiatives improving code quality.

Stackforce AI infers this person is a SaaS-focused engineering leader with expertise in backend systems and testing infrastructure.

Contact

Skills

Core Skills

BackendTesting InfrastructureFull-stack Engineering

Other Skills

AI-driven testing infrastructureBlackbox monitoring platformEnd-to-end testingTesting frameworkBlackbox monitoringJavaJavaScriptAWSChefBotoShell ScriptNode.jsGoAmazon Web Services (AWS)

Experience

Uber

8 roles

Senior Engineering Manager - Platform Security

Nov 2025 – Present · 4 mos

Senior Engineering Manager, Platform Security

Jul 2024 – Nov 2025 · 1 yr 4 mos

Leading Uber Platform Security teams. Secrets, Workload identity, PKI, and Encryption-at-rest.

Senior Engineering Manager, Developer Platform, Testing Infrastructure

Promoted

Sep 2023 – Jun 2024 · 9 mos

Lead a team of +30 building and scaling out Uber's Backend and AI driven testing infrastructure.
Develop and scale Uber's Blackbox monitoring platform. Leveraging end to end tests to simulate the user experience, Blackbox probes Uber millions of times a day to alert in under a minute when it detects an outage.
BITS - Shift E2E testing left to block bad code and config changes pre-land by isolating test traffic in production dependencies to safely test thousands of change. Roughly 50% of code changes are now tested with end to end testing before commit.
Scaled out test accounts to support all of Uber's internal testing.
Unified backend tests under one testing framework utilized by all Uber's backend testing platform including Blackbox monitoring. supports thousands of end to end tests.
Blog posts & talks:
https://www.uber.com/blog/multitenancy-microservice-architecture/
https://dpe.org/sessions/daniel-tsui-quess-liu/how-uber-innovated-on-testing-to-increase-quality-and-productivity/
https://www.uber.com/blog/generative-ai-for-high-quality-mobile-testing/?uclick_id=7bd9d5c0-4d69-451f-9878-aaf5b3cb6bcb
https://dpe.org/sessions/juan-marcano/dragoncrawl-shifting-mobile-testing-to-the-left-with-ai/

BackendAI-driven testing infrastructureBlackbox monitoring platformEnd-to-end testingTesting frameworkTesting Infrastructure

Engineering Manager II

Mar 2021 – Aug 2023 · 2 yrs 5 mos

Engineering Manager

Promoted

Jan 2019 – Mar 2021 · 2 yrs 2 mos

Senior Software Engineer

Sep 2017 – Jan 2019 · 1 yr 4 mos

Software Engineer II

Promoted

Sep 2016 – Sep 2017 · 1 yr

Software Engineer I

Jul 2015 – Sep 2016 · 1 yr 2 mos

Flite

Software Engineer

Jun 2013 – Jun 2015 · 2 yrs · San Francisco Bay Area

Full-Stack Engineer:.
Develop and maintain features in the Flite Ad Studio and ad runtime engine in Java and JavaScript
DevOps
On-call, deploy production code, and develop automation scripts for AWS in Chef, Boto, and Shell Script.

JavaJavaScriptAWSChefBotoShell Script+1