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Senior AI Software Engineer and results-driven generalist with 12+ years of experience leading end-to-end SDLC from concept to deployment, delivering market-ready products and driving company growth. Key achievements include building a multi-agent AI tool that reduced cloud code security review time, leading Intuit’s AI GenStudio platform adopted by thousands of employees, and managing data integrity across multiple AI projects with large third-party labeling teams.…Senior AI Software Engineer and results-driven generalist with 12+ years of experience leading end-to-end SDLC from concept to deployment, delivering market-ready products and driving company growth. Key achievements include building a multi-agent AI tool that reduced cloud code security review time, leading Intuit’s AI GenStudio platform adopted by thousands of employees, and managing data integrity across multiple AI projects with large third-party labeling teams.

Weijing “Jay” Lin

AI Engineer, Full Stack Developer, Software Engineer, +2

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Senior AI Software Engineer and results-driven generalist with 12+ years of experience leading end-to-end SDLC from concept to deployment, delivering market-ready products and driving company growth. Key achievements include building a multi-agent AI tool that reduced cloud code security review time, leading Intuit’s AI GenStudio platform adopted by thousands of employees, and managing data integrity across multiple AI projects with large third-party labeling teams.…Senior AI Software Engineer and results-driven generalist with 12+ years of experience leading end-to-end SDLC from concept to deployment, delivering market-ready products and driving company growth. Key achievements include building a multi-agent AI tool that reduced cloud code security review time, leading Intuit’s AI GenStudio platform adopted by thousands of employees, and managing data integrity across multiple AI projects with large third-party labeling teams.

Available to hire

Senior AI Software Engineer and results-driven generalist with 12+ years of experience leading end-to-end SDLC from concept to deployment, delivering market-ready products and driving company growth.
Key achievements include building a multi-agent AI tool that reduced cloud code security review time, leading Intuit’s AI GenStudio platform adopted by thousands of employees, and managing data integrity across multiple AI projects with large third-party labeling teams.

Skills

Prompt Engineering

Leadership

Data Visualization

Experience Level

Prompt Engineering

Expert

Leadership

Expert

Data Visualization

Expert

Work Experience

Senior AI Full Stack Engineer at PayPal

October 1, 2024 - Present

Managed technical direction of advanced AI solutions on PayPal’s internal AI platform, integrating MCP and Google A2A Protocol compatible with LangGraph and CrewAI for improved agent-to-agent communication. Architected full-stack AI applications using Python, FastAPI, React/Next.js, data visualization, Cloud SQL (MySQL engine), and deployed with Docker and Kubernetes for scalable inference and orchestration monitored by Splunk and Datadog. Leveraged multiple LLM models (OpenAI GPT, Google Gemini/Vertex AI, Anthropic Claude) for automation and compliance-aligned reasoning. Developed MCP servers to support security review of IaC (Terraform, Ansible, AWS CDK, CloudFormation, GCP Deployment Manager) and non-IaC security checks using GenAI, MCP SDK, LangChain/LangGraph, Mermaid, Vertex AI/Gemini, and related code/security tooling.

Senior AI Full Stack Engineer at Intuit

January 1, 2023 - October 1, 2024

Designed and developed an internal generative AI web application and fintech chatbots using LangChain and LLMs (OpenAI, Anthropic, Google AI, LLaMA), launching the Intuit Assist chatbot. Built user interfaces with React/Next.js/Angular, Redux/NgRx, GraphQL, Material UI, and CSS, improving engagement and task completion. Implemented backend services with Python/Node.js/Django and deployed on AWS and Google Cloud using microservices architecture with Docker; monitored with Splunk. Coordinated cross-functional work across design, engineering, and operations and delivered through streamlined CI/CD pipelines.

Senior Software Engineer at Slate Technologies

August 1, 2021 - December 1, 2022

Led the frontend team and collaborated with third-party partners to implement growth data funnels for product observability across web, iOS, and Android, integrating payment services and KYC. Developed responsive, dynamic UIs using Python, TypeScript, React/Redux, Next.js, MUI, and Storybook; built location-based data visualization using WebGL/deck.gl with Google Maps. Integrated with NoSQL databases and used Splunk for growth operations observability. Managed releases with CI/CD on Walmart Native Cloud Platform and contributed to agile microservices development.

Senior Software Engineer at Meta

August 1, 2020 - August 1, 2021

Led development of tools for Automatic Speech Recognition (ASR) supporting projects including Messenger Assistant, violent speech recognition, and hate speech detection. Built data processing pipelines for labeling using Python, PyTorch, and Hive, automating transfer of product data to ML data centers. Used Thrift to generate code supporting C++ and PHP to unify data schemas for the Facebook Portal IoT project, improving interoperability and reducing integration issues. Developed frontend UIs and APIs with React, Node.js/JavaScript/TypeScript, Tailwind CSS, integrating AI-driven features into the overall product experience.

Senior Software Engineer at Huawei Technologies

April 1, 2017 - March 1, 2020

Designed architecture and prototyped home-education robot development tools including controllers, development kits, and chat handling utilities, accelerating HRI research workflows and improving onboarding. Integrated AI/ML models for robot-human interactions with computer vision using Python/Node.js/WebSocket/GraphQL and interactive 3D interfaces. Built UIs with React/Redux and Material UI components for seamless researcher interaction. Collaborated with DevOps for deployments on Linux with Jenkins and cloud environments (AWS and Huawei Cloud) and worked with Android/C++/Java/Python, Docker/Kubernetes, and ROS in an Agile environment.

Web Developer at BlueJay Mobile Health Inc

November 1, 2013 - February 1, 2017

Contributed to developing and optimizing clinic platform services across web, iOS, and Android, including admin/account dashboards, patient recovery tracking, payment billing, and live video chat. Built UIs with JavaScript, Angular, Bootstrap, D3.js, HTML, and CSS and integrated real-time communication using WebRTC, socket.io, and Zoom API, reducing video latency. Built REST APIs with Python/Node.js, deployed on AWS, and used GitHub version control. Leveraged LAMP stack with Laravel for backend integration in a fast-paced startup-like environment.