Jiaqi (Colin) Chen β˜•
Resume

Work Experiences

L8 Coding and Tasking Reviewer β€” Outlier AI

Apr 2025 – Present
  • Performed optimizations and quality controls for 100+ code-related data annotation delivery items.
  • Refactored and debugged 100+ AI-generated results & codes in Python, JavaScript or C++ for supervised fine-tuning.
Remote

Software Engineer β€” iFlytek

May 2022 – Aug 2022
  • Achieved >99% accuracy in image classification pipeline using OpenCV (Python) for production quality control.
  • Implemented Brenner algorithm in C++ for image quality evaluation; automated industrial camera setup end-to-end.
  • Debugged and resolved issues across 100+ NVIDIA embedded graphic-processing devices.
Guangzhou, China

Freelance Developer β€” Fiverr

Feb 2025 – Present
  • Debugged and optimized an OpenGL project with Visual Studio, eliminated thread conflicts and delivered within 24 hours, delivering >20Γ— speedups on client's workloads.
  • Provided customized CUDA function design to match client's GPU performance & data input characteristics.
Remote

Project Experiences

AWS Website Hosting -- ColinChen.cc

Aug 2025 – Present
  • Designed & deployed cost-efficient static website architecture using S3 + CloudFront + Route 53.
  • Confi gured S3 bucket for static web hosting with an Origin Access Control, ensuring private content access through designated CloudFront Distribution.
  • Implemented CloudFront distribution with custom domain and SSL certificate via AWS Certificate Manager, enabling HTTPS for improved security and SEO.
  • Integrated Route 53 hosted zone with ALIAS records to support apex and www records for reliable DNS.
  • Delivered highly available, globally accessible content with low operational overhead and near-zero hosting costs.
Remote

Developer, Team Leader β€” Travel Companion

Sep 2024 – Dec 2024
  • Built RESTful API with Express.js and Node.js for core CRUD functionality; used Mongoose for query-oriented schemas.
  • Enable authenticated AJAX using Fetch API for client-side file manipulation.
  • Supported embedded map, route search and display with Mapbox API.
  • Secured the application with authentications using Cookies and anti-XSS module.
  • Developed a user-matching algorithm using temporal-spatial signals for travel plan alignment.
Hoboken, NJ

CUDA Developer -- 3D Computational Fluid Dynamics Simulation

Feb 2024 – May 2024
  • Engineered a 3D computational fluid dynamic program with C++ based on Lattice-Boltzmann Method.
  • Achieved 170x speedup with GPU acceleration by parallelizing the program using CUDA.
  • Optimized CUDA version of the algorithm with register reuse and binning, reducing GPU global memory access and improving response rate by 34%.
  • Identified program bottleneck using Nsight and improved GPU throughput by 35%.
Hoboken, NJ

Deep Learning Research Engineer β€” Cyblogger

Sep 2023 – Dec 2023
  • Cleaned and mapped labels using NumPy; fine-tuned 15 network designs across 5 NLP classification tasks in TensorFlow.
  • Improved results by balancing datasets via reclassification & relabeling; achieved >70% accuracy on binary tasks using multi-class training strategies.
Hoboken, NJ

Technical Highlights

Web & Cloud
Node.js, Express, MongoDB, AWS (S3, CloudFront, Route53), React/Next.js
Systems & Performance
C++, CUDA, Nsight, GPU optimization, Embedded NVIDIA devices
Machine Learning
TensorFlow, NLP classification, Data Cleaning & Augmentation
Formal & Languages
OCaml, Dafny, Verilog β€” formal verification interest

Personal Interests

Lacanian Psychoanalysis Photography LeetCode Traveling Steam Deck Hacking
Last updated: September 2025