QiChen.Site

Qi Chen

Systems-minded web engineering with a focus on clean architecture, shipping velocity, and runtime discipline.

Next.js
React
JavaScript
Postgres
Linux
Java
C#
C++
Docker
K8s
FrontendBackendOSDevOpsCloud InfrastructureProblem Solving

Professional Work

A concise snapshot of my core role, responsibilities, and highest-impact engineering outcomes in production HIL systems.

Hiring Technologies

System Software Engineer

Jan 2021 - Dec 2024

Core Architect for a proprietary Hardware-in-the-Loop simulation platform, replacing a commercial vendor solution.

Qi's Innovation

A selected set of product-facing systems and tools built to turn engineering judgment into practical, usable workflows across writing, automation, and AI-assisted execution.

Technical Blog

Resume

Qi Chen

Full-Stack Software Engineer

Full-Stack Software Engineer specializing in high-performance TypeScript/React applications and AI-driven solutions (Gemini/LLMs). Proven expert in Linux Kernel Instrumentation and Real-Time Architecture, with a track record of reducing system latency (70%) and solving 'Black Box' integration challenges. Adept at bridging the gap between mission-critical system optimization and modern, human-centric web architecture.

Professional Experience

Full-Stack Developer Intern2026 - Present
Credibled · Toronto, ON, Canada

Contribute to Credibled, Canada's second-largest background checking company, supporting business across the USA, Canada, and Australia. Work includes optimizing desktop and mobile user experience, developing new backend APIs, updating API documentation, and handling product requirements and bug fixes from product teammates.

ReactTypeScriptPythonJavaPostgreSQLRedisAWSREST APIsLinuxJIRA
System Software EngineerJan 2021 - Dec 2024
Hiring Technologies · Beijing, China

Core Architect for a proprietary Hardware-in-the-Loop (HIL) simulation platform, replacing a commercial vendor solution.

HIL Platform Core Architect

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C++CMakeLinuxFPGA DriversThrift RPC

Lead Architect for a proprietary HIL simulation platform. Reverse-engineered legacy logic to design a kernel-level probe, reducing signal jitter by 40%. Diagnosed 'Temporal Coupling' bottlenecks and re-architected the IPC layer using POSIX Message Queues, smashing the latency barrier to ~230us (38% faster than industry standards) and increasing signal capacity by 400%.

Featured Projects

Qis Grammar

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ReactNext.jsTypeScriptAI APIsTailwind CSSshadcn/ui

AI-powered writing assistant that polishes grammar and style using Gemini models. Features human-centric design, typo detection, grammar recognition, and intelligent correction suggestions for an enhanced writing experience.