James Josey

James Josey

Al & Full Stack Developer

San Francisco, CA
MVP
Product Design
Prototyping

About Me

As a AI powered Full Stack developer with over 8 years of experience. I specialize in Web development, creating dynamic and responsive web and mobile applications across sectors like AI Image/Video/Story/Avatar generation, OCR & RAG system, E-commerce, Healthcare, Finance, Real-estate, GPS tracking, Booking, Order & Deliver, Real-time monitoring. In this long journey, I have contributed to a Texas, US-based remote team, worked with over 15+ global clients including the US, Canada, Germany, and India, and completed 30+ projects. My deep understanding of UI/UX principles, combined with expertise in optimizing performance and scalability, allows me to deliver innoovative solutions. I am currently seeking opportunities to work as a frontend/fullstack developer in a dynamic team environmentwhere I can continue to expand my skills and contribute to impactful projects.

Professional Focus

Creating intuitive and accessible digital products

Leading design teams and establishing design systems

Conducting user research to inform product decisions

Languages

EnglishNative
Available for new projects

Experience

Al & Full Stack Developer

Zebracat
02/2023 - 09/2025

Key Achievements
  • Led the launch of Zebracat Al v1 (Jun 2024) by building the web platform with Next.js, TypeScript, Node.js, and Stripe, increasing subscription conversions by 25%
  • Enhanced v2 release (Dec 2024) with advanced computer vision features (TensorFlow) for automated scene and avatar generation, improving user engagement by 30%
  • Optimized backend video rendering pipelines and multilingual support, reducing latency by 35% and scaling seamlessly for a 40% growth in active users
Technologies & Skills
Next.js
TypeScript
Node.js
Stripe
TensorFlow
Avatar generation
Generative AI
Video rendering pipelines

Al & Full Stack Developer

Avaleris
10/2019 - 10/2022

Key Achievements
  • Created an AI legeam tool that connects to laws, contracts and even country-specific legal databases using Langchain(LLM frameworks)
  • Developed an innovative Virtual Health Assistant app that leverages AI, Machine Learning and Natural Language Processing to provide accurate and hopeful responses and complies with relevant regulations such as HIPAA
  • Created WhatsAPP Business Chatbot that is trained with various datasets(PDF, DOC, TEXT, Website contect etc) and Pinecone(online vectorDB)
  • Created AI Call Assistant for Relationship improvenment that is implemented Speech-to-Text(STT) using OpenAI Whisper and Text-to-Speech(TTS) using OpenAI TTS service
  • Created AI Image creation tool by using OpenAI DALL-E3 and Stable Diffusion
Technologies & Skills
LLM
Machine Learning
VectorDB
Pinecone
RAG
Chatbot
OpenAI
Speech-to-Text
Text-to-Speech
DALL-E3
Stable Diffusion

Full Stack Developer

Toniolo
07/2017 - 07/2019

Key Achievements
  • Successfully launched a responsive web platform using AWS services, providing the team an intuitive interface for real-time data monitoring
  • Effectively used AWS Cognito to handle user sign-in, sign-up, and access control for a mobile app, strengthening security
  • Utilized AWS Lambda for running backend code in response to HTTP requests via API Gateway in a web app, providing scalability
  • Built a serverless workflow automation tool to orchestrate microservices using AWS Step Functions to improve output
  • Handled large-scale multimedia content for a mobile application with AWS S3 service, providing high data durability
Technologies & Skills
AWS Services
Mobile App
Automation

Credentials

Professional Certifications

Nielsen Norman Group
Certified UX Professional

Nielsen Norman Group2022

Interaction development Foundation
Professional Product Developer

Interaction development Foundation2021

IDEO
Development Leadership Certification

IDEO2020

Education

San Francisco State University (SFSU)
Bachelor of Science (BS)

San Francisco State University (SFSU)2014-2017

Skills & Expertise

UI DesignFull Stack DevelopmentDesign SystemsMobile App DevelopmentAI EngineerMachine LearningAutomationAmazon Web Services

Technical Skills

Languages

HTML
CSS
PHP
JavaScript
TypeScript
Python
SQL
Solidity
Rust

Front-end

React
Next.js
Vue
Svelte
Redux Toolkit
Tailwind CSS
Shadcn/ui
HeroUI

Back-end

Node.js
Express.js
Next.js
Laravel
Django
FastAPI

Mobile

React Native
Flutter
Expo

AI/ML

LLMs
Computer Vision
NLP
Generative AI
RAG
TenserFlow
PyTorch
Hugging Face
Langchain
Pinecone

Blockchain

Ethereum
Solidity
Web3.js
Ethers.js
Hardhat
Truffle

APIs & Protocals

REST API
GraphQL
gRPC
WebSocket
WebRTC
Webhook
Swagger

Databases & ORMs

MongoDB
MySQL
PostgreSQL
Firebase
Supabase
PlanetScale
Prisma
Redis

Cloud & Serverless

AWS
Azure
Google Cloud
Firebase
Netlify
Vercel
Supabase
PlanetScale

Other

Docker
Kubernetes
Git
GitHub
GitLab
Bitbucket
Jenkins
CircleCI
Travis CI

© 2026 James Josey. All rights reserved.

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