Available to hire
Hi, I’m Zhenyu Yang, a Senior Full Stack Developer with over 11 years of experience creating scalable and efficient applications. I specialize in modern JavaScript and Python frameworks and have a passion for building AI-powered solutions that drive business impact. I’ve worked extensively with React, Next.js, FastAPI, and cloud technologies like AWS and GCP.
I love collaborating with cross-functional teams to transform complex business requirements into user-friendly and reliable products. Whether it’s developing backend microservices, designing dynamic frontend interfaces, or optimizing CI/CD pipelines, I’m always excited to leverage my skills to deliver top-notch solutions in fast-paced and agile environments.
Skills
Experience Level
Expert
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Intermediate
Intermediate
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Language
English
Fluent
Work Experience
Senior AI & Full Stack Developer at Northspyre
June 30, 2025 - August 1, 2025Developed and deployed AI-powered virtual agents using OpenAI GPT-4 and LangChain to automate e-commerce workflows including customer support, product recommendations, and sales conversion tracking. Engineered backend microservices with Python using FastAPI and Django, containerized applications with Docker, and orchestrated deployments with CI/CD on AWS. Designed scalable RESTful APIs integrating with e-commerce and CRM platforms, implemented dynamic front-end interfaces using React and Next.js for real-time chat and data visualization, utilized PostgreSQL, Redis, and ElasticSearch for robust data layers, collaborated with data scientists for fine-tuning language models, and led DevOps initiatives including monitoring and CI/CD pipeline optimization.
Senior AI & Full Stack Developer at Technova Systems Inc.
November 30, 2023 - August 1, 2025Built AI-powered analytics platforms for workplace safety using Python frameworks, OpenCV, and TensorFlow for pose estimation and motion tracking. Created scalable full-stack applications with Vue.js frontends and RESTful APIs, architected microservice solutions on Google Cloud Platform using Cloud Functions, Pub/Sub, and Firestore. Modernized legacy PHP Laravel services migrating to Python and FastAPI, integrated APIs with third-party hardware, optimized inference pipelines, managed AI lifecycle with MLFlow and Vertex AI, and implemented secure user authentication protocols.
Full Stack & ML Engineer at AIDigital Inc.
August 31, 2019 - August 1, 2025Developed AI-driven video analytics applications for behavior detection and facial recognition using Python and TensorFlow. Maintained PHP Laravel admin portals and API services, built real-time 3D motion capture pipelines with computer vision integrated with React dashboards. Leveraged GCP services for AI inference deployment and analytics, integrated with Japanese eCommerce platforms and payment gateways, implemented CI/CD pipelines with GitHub Actions, Docker Compose, and Kubernetes, and collaborated closely with UX designers and product managers.
Full Stack Engineer at HKNET Company Limited
May 31, 2017 - August 1, 2025Built enterprise web applications using PHP and JavaScript to support telecom operations, billing systems, and internal CRMs. Designed RESTful APIs for cross-platform integration and led modernization of legacy PHP systems. Implemented AI-powered ticket classification and chatbot systems, utilized various databases for high-volume data processing, integrated ergonomic analysis platforms, established monitoring solutions, and collaborated with QA and DevOps teams to improve pipelines and testing.
Senior AI & Full Stack Developer at Northspyre
June 30, 2025 - August 1, 2025Developed and deployed AI-powered virtual agents using OpenAI GPT-4 and LangChain to automate e-commerce workflows, including customer support, product recommendations, and sales conversion tracking, while engaging with cross-functional teams. Engineered backend microservices with Python using FastAPI and Django, containerizing applications with Docker and orchestrating deployments in a CI/CD environment on AWS. Designed scalable RESTful APIs and integrated them with third-party e-commerce platforms (Shopify, BigCommerce) and CRMs (Salesforce, HubSpot) for multichannel data synchronization. Implemented dynamic frontend interfaces using React and Next.js to enable real-time chat with LLMs and deliver seamless data visualization dashboards for marketing analytics. Utilized PostgreSQL, Redis, and ElasticSearch to construct robust data storage and retrieval layers, supporting millions of transactions and ensuring data integrity. Collaborated with data scientists to fine-tune language model
Senior AI & Full Stack Developer at Technova Systems Inc.
November 30, 2023 - August 1, 2025Built AI-powered analytics platforms for workplace safety and ergonomic monitoring using Python frameworks (Flask, Django), OpenCV, and TensorFlow for pose estimation and motion tracking. Created scalable full-stack applications integrated with real-time video analysis and RESTful APIs, featuring a Vue.js-based frontend for remote monitoring. Architected microservice-based solutions deployed on Google Cloud Platform with Cloud Functions, Pub/Sub, and Firestore to enable high-throughput data streaming and efficient system integration. Modernized legacy PHP Laravel services by progressively transitioning to Python-based applications and incorporating FastAPI for new module development. Integrated APIs with third-party hardware systems (e.g., i-PRO cameras) while optimizing inference pipelines using ONNX and TensorRT for effective edge deployments. Managed the end-to-end AI lifecycle, overseeing data preprocessing, model training, evaluation, and production deployment with MLFlow and Vert
Full Stack & ML Engineer at AIDigital Inc.
August 31, 2019 - August 1, 2025Developed AI-driven video analytics applications using Python and TensorFlow for behavior detection, facial recognition, and real-time alerts. Designed and maintained PHP Laravel-based admin portals and API services supporting customer dashboards and real-time notifications. Built real-time 3D motion capture pipelines using multi-camera setups, computer vision, and WebSocket streaming integrated with React dashboards. Leveraged GCP services such as Cloud Run and BigQuery for deploying AI inference models and running large-scale analytics on customer behavior data. Integrated with Japanese eCommerce platforms and payment gateways via RESTful APIs to create a seamless full-stack purchase and monitoring experience. Implemented CI/CD pipelines with GitHub Actions, Docker Compose, and Kubernetes, ensuring zero-downtime deployment for both frontend and backend services. Worked closely with UX designers and product managers to translate AI insights into actionable UI components using Tailwind
Full Stack Engineer at HKNET Company Limited
May 31, 2017 - August 1, 2025Built enterprise web applications using PHP (Laravel, Yii) and JavaScript (jQuery, Vue.js) to support telecom operations, billing systems, and internal CRMs. Designed RESTful APIs for cross-platform integration between internal tools and partner systems using OpenAPI/Swagger specs for documentation and version control. Led modernization of legacy systems by migrating monolithic PHP applications to modular Laravel components, introducing Composer-based dependency management. Implemented AI-powered ticket classification and chatbot systems using Python and scikit-learn to automate customer support and reduce resolution times. Utilized MySQL, Redis, and MongoDB for high-volume data processing and session management, supporting thousands of concurrent users. Integrated RESTful APIs and front-end applications for ergonomic analysis platforms (VP-Motion, VP-Ergono, VisionPose), delivering intuitive interfaces for end-users. Integrated monitoring solutions using Grafana and ELK stack to track
Education
Master of Science at The Chinese University of Hong Kong
January 1, 2012 - December 31, 2013Bachelor of Science at The Chinese University of Hong Kong
January 1, 2008 - December 31, 2012Master of Science at The Chinese University of Hong Kong
January 1, 2012 - December 31, 2013Bachelor of Science at The Chinese University of Hong Kong
January 1, 2008 - December 31, 2012Qualifications
Industry Experience
Software & Internet, Healthcare, Real Estate & Construction, Retail, Telecommunications
Skills
Experience Level
Expert
Expert
Expert
Expert
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Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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