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Fullstack developer with 8+ years building scalable B2B SaaS apps in edtech and fintech, specializing in React, Next.js, and TypeScript for intuitive UIs alongside Python/FastAPI backends for robust APIs and integrations. Passionate about AI tools like Cursor and Claude to boost productivity, I've shipped performant, data-heavy features in fast-paced startups using CI/CD, GitHub, and GCP—thriving in ambiguous environments to deliver user-first solutions. Based in California, I'm eager to collaborate on innovative projects that blend tech and real-world impact, with a knack for clear communication and quick problem-solving. Let's build something awesome!…Fullstack developer with 8+ years building scalable B2B SaaS apps in edtech and fintech, specializing in React, Next.js, and TypeScript for intuitive UIs alongside Python/FastAPI backends for robust APIs and integrations. Passionate about AI tools like Cursor and Claude to boost productivity, I've shipped performant, data-heavy features in fast-paced startups using CI/CD, GitHub, and GCP—thriving in ambiguous environments to deliver user-first solutions. Based in California, I'm eager to collaborate on innovative projects that blend tech and real-world impact, with a knack for clear communication and quick problem-solving. Let's build something awesome!

Jason Ung

AI Engineer, Full Stack Developer, Data Scientist, +2

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Fullstack developer with 8+ years building scalable B2B SaaS apps in edtech and fintech, specializing in React, Next.js, and TypeScript for intuitive UIs alongside Python/FastAPI backends for robust APIs and integrations. Passionate about AI tools like Cursor and Claude to boost productivity, I've shipped performant, data-heavy features in fast-paced startups using CI/CD, GitHub, and GCP—thriving in ambiguous environments to deliver user-first solutions. Based in California, I'm eager to collaborate on innovative projects that blend tech and real-world impact, with a knack for clear communication and quick problem-solving. Let's build something awesome!…Fullstack developer with 8+ years building scalable B2B SaaS apps in edtech and fintech, specializing in React, Next.js, and TypeScript for intuitive UIs alongside Python/FastAPI backends for robust APIs and integrations. Passionate about AI tools like Cursor and Claude to boost productivity, I've shipped performant, data-heavy features in fast-paced startups using CI/CD, GitHub, and GCP—thriving in ambiguous environments to deliver user-first solutions. Based in California, I'm eager to collaborate on innovative projects that blend tech and real-world impact, with a knack for clear communication and quick problem-solving. Let's build something awesome!

Available to hire

Fullstack developer with 8+ years building scalable B2B SaaS apps in edtech and fintech, specializing in React, Next.js, and TypeScript for intuitive UIs alongside Python/FastAPI backends for robust APIs and integrations. Passionate about AI tools like Cursor and Claude to boost productivity, I’ve shipped performant, data-heavy features in fast-paced startups using CI/CD, GitHub, and GCP—thriving in ambiguous environments to deliver user-first solutions. Based in California, I’m eager to collaborate on innovative projects that blend tech and real-world impact, with a knack for clear communication and quick problem-solving. Let’s build something awesome!

Skills

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Expert

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Language

English

Fluent

Work Experience

Senior AI Engineer at Genetic GmbH

October 1, 2025 - November 10, 2025

Engineered a high-performance link extraction engine in TypeScript and Node.js capable of parsing and classifying millions of hyperlinks, including complex cases like multiline or encoded URLs.

Senior AI Engineer at Nu Ventures

October 1, 2025 - October 1, 2025

Built a global payroll platform and developed a financial insight and prediction dashboard for forecasting cash flow and expenses for small to mid-sized businesses; integrated Hugging Face transformers to summarize financial reports and flag unusual transactions.

Full Stack + AI Developer at LifeTrack Medical Systems

September 1, 2023 - September 1, 2023

Developed AI-driven tools to help radiologists review and manage medical images faster; designed a web-based workflow for medical image annotation using FastAPI (backend) and React (frontend); integrated OpenAI and CLIP to automatically summarize radiology reports and match them with image findings; implemented Celery with Redis for background AI inference tasks; added Neo4j-based data lineage tracking for visibility and traceability of data sets used in modeling; deployed containerized microservices on AWS/Kubernetes with Grafana health monitoring; reduced cloud spend by 22% through resource optimization and load balancing.

Full Stack Engineer (AI Integration) at Everlaw

August 1, 2019 - August 1, 2019

Built AI-powered tools for faster and smarter document search and summarization; created Flask and PyTorch Serve APIs to integrate AI-assisted document search into Everlaw's platform; built a React + Redux frontend for seamless search/workflow; integrated Elasticsearch and Redis caching for instant results; fine-tuned domain-specific AI models to summarize long legal documents; automated deployments via AWS CodePipeline, EC2, and ECS; reduced average query time from 3 seconds to 0.5 seconds and improved retrieval accuracy by 25%.