Data Engineering · Concept UI
Insurance Data Pipeline & Operations Dashboard
A traceable workflow connecting Python transformations, an Oracle warehouse, and decision-ready Power BI metrics.
View case study ↗Open to 2026 Co-op / Software Engineering opportunities
Hi, I’m Sihan Xu.
I connect data, backend logic, and clear product experiences.
Computer Science student at the University of Waterloo, focused on backend engineering, database optimization, and data products.
PYTHON✦SQL✦BACKEND✦DATA✦PRODUCT THINKING
01 — WORK
Selected work
Concept projects grounded in real experience. The interfaces, architecture diagrams, and demo repositories communicate my engineering approach.
Backend Engineering · Concept UI
SQL Performance Lab
A focused engineering workbench for slow-query diagnosis, execution-plan review, and regression checks.
View case study ↗
EdTech · Concept UI
Maple Code Contest Practice
A challenge-based coding practice experience for Canadian computing contest learners, from prompt to progress feedback.
View case study ↗02 — PROFESSIONAL EXPERIENCE
Turning model capability into shippable engineering.
Built an engineering loop across deep-learning environments, training data, model benchmarking, and real-time inference delivery.
Machine Learning Engineer Intern
InsightFace AI Technology Limited
30%shorter environment setup lead time
50K+facial images standardized
25%higher real-time request throughput
40%less manual data handling
- Configured and maintained Python, PyTorch, and TensorFlow environments across multiple workstations, reducing setup lead time for new experiments by 30%.
- Built an OpenCV and NumPy preprocessing pipeline for resizing, JPEG/PNG conversion, and quality filtering across 50,000+ facial images.
- Designed an InsightFace benchmarking workflow on proprietary test sets, analyzing accuracy and latency to inform R&D decisions.
- Developed and deployed a FastAPI and Docker REST API for real-time InsightFace inference, increasing request throughput by 25% and enabling frontend integration.
- Revamped technical documentation and Getting Started guides for internal tools and open-source modules to improve developer onboarding.
- Engineered Python automation for file organization, dataset splitting, and metadata logging, reducing manual data handling time by 40%.
03 — AWARD & CERTIFICATE
Recognition backed by the original certificate.
As a team member, Sihan received a Bronze Award at the China International College Students' Innovation Competition (2025) for an AI-driven cultural heritage preservation project.
AwardBronze AwardYear2025
The English version is an unofficial translation for international readers. The original Chinese certificate prevails.
CERTIFICATE · 2025
China International College Students' Innovation Competition (2025)Team project · October 2025 · Certificate No. 20252495G04 — APPROACH
Engineering with a clear point of view.
I turn ambiguous problems into testable systems—understand the data and user first, then build with clear boundaries and maintainability in mind.
05 — CONTACT
Let’s turn an idea into a working system.
If you are hiring for software engineering, backend, or data Co-op roles, I’d love to hear from you.
c335xu@uwaterloo.ca ↗Or contact me directly