Engineering & Applied AI Showcase
Quek Xin Ying
Applied AI & Analytics student at Nanyang Polytechnic specializing in full-stack web applications, real-time socket networking, binary Protobuf protocol engineering, and predictive machine learning pipelines.
School Work & Academic Projects
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OpenGlimpse AI
School • Year 2
Backend & Systems Engineer (Programmes & Attendance)
- Atomic Route Allocation: Managed multi-bus delegation logistics for SCCCI delegations with single-route integrity checks.
- SQL Optimization: Identified and resolved cross-programme SQL double-counting query anomaly in database subqueries.
- Zero-Flake Test Suite: Built 34 independent endpoint tests verifying 100% test pass rate against PostgreSQL.
Node.js / Express
PostgreSQL
Sequelize
React
34 Unit Tests
GenConnect Platform
School • Year 1 (Featured)
Lead Developer & Object-Oriented Architect
- Intergenerational Matchmaking: Built multi-factor scoring engine evaluating dialect compatibility and shared hobby affinity.
- Accessibility Engineering: Dynamic root rem font scaler and WCAG 2.1 AAA high-contrast visual modes.
- GitLab Leadership: 195+ commits and 17 feature branches across Age-Friendly Community (AFC) track.
Python (OOP)
Flask
Jinja2
Singpass Mock
195 Commits
SIT Club Digital Portal
School Coursework • Year 1
Frontend Developer & UI Designer
- Multi-Device Architecture: Responsive portals for sub-initiatives (Dev Swift, NYP Cloud, LIT).
- Client-Side Validation: Form input sanitation and category filters for event and workshop registrations.
- UX Standard Alignment: Adheres to IBM SkillsBuild Web Design principles for accessibility and touch targets.
HTML5 / CSS3
Bootstrap 5
JavaScript
IBM SkillsBuild
Side Projects & Open-Source Engineering
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Barra — Streaming Pipeline & ML
Side Project • Production
Author, Data Pipeline & ML Systems Architect
- High-Throughput Ingestion: Captures 13 Protobuf message streams concurrently via WebSocket across multi-room monitors.
- Predictive Intelligence: Integrated Auto-ARIMAX time-series forecasting, whale contributor churn, and user LTV modeling.
- Fault-Tolerant Watchdog: Business-level heartbeat detector cycling pseudo-alive connections with zero downtime.
Python 3.11+
Auto-ARIMAX ML
WebSocket
Protobuf
PostgreSQL
Flask (SSE)
WeiboClient — Automation Suite
Side Project
Backend & API Integration Developer
- Interactive CLI Engine: 17 operation actions with tab completion, history navigation, and dry-run preview mode.
- Chunked Media Uploads: Multi-part image/video pipeline returning persistent 64-bit media pointer hashes.
- Session & Storage Layer: Exponential retry cookie rotation with MongoDB and Appwrite serverless functions.
Python 3
Interactive CLI
MongoDB
Appwrite
Media Pipelines
StreamCheck — Cluster Orchestrator
Side Project • DevOps
DevOps & Systems Automation Engineer
- PM2 Process Orchestration: Coordinated daemon cluster managing live monitors, telemetry servers, and Telegram bots.
- Reliability Throttling: Configured backoff restart thresholds preventing CPU exhaustion during network drops.
- Cross-Platform Alerts: Dispatches real-time broadcast and PK battle notifications to Telegram and Weibo.
Python 3.12
Node.js / PM2
Linux Systems
Telegram Bot
Bash Automation
douyin-live-proto
Open Source
Author & Schema Reverse-Engineer
- 85+ Schema Definitions: Reverse-engineered undocumented binary Protobuf wire types and nested structures.
- Sanitized Testbed: Curated 61 byte-aligned testing payloads enabling offline parser verification without leaks.
- Multi-Target Compilation: Automated build scripts generating clean Python, Go, and TypeScript stubs.
Protobuf
Schema Engineering
85+ Types
61 Test Payloads