Jason Dobrowner
Verified Expert in Engineering
Full-stack AI Engineer and Developer
Ashland, OR, United States
Toptal member since June 29, 2026
Jason is a full-stack AI engineer with over nine years of experience building production systems. Specializing in AI agentic workflow design and front-end architecture, Jason applies technologies such as TypeScript, React, Python, and LangGraph to architect solutions for companies such as Syndicate AI Labs, Lucid Coin, and Blockdaemon.
Portfolio
Experience
- JavaScript - 10 years
- React - 10 years
- Node.js - 10 years
- React Native - 9 years
- TypeScript - 8 years
- Next.js - 3 years
- LangGraph - 1 year
- LangChain - 1 year
Preferred Environment
JavaScript, Next.js, React, React Native, TypeScript, Node.js, Python, LangChain, LangGraph, Svelte
The most amazing...
...platform I've built is Gem Onramp, scaling to over 300,000 users and $600 million in transaction volume.
Work Experience
Full-stack AI Engineer
Syndicate AI Labs
- Served as a founding technical partner at Syndicate AI Labs, incubating and shipping AI-native products from zero.
- Built Heard, an AI layer between call recordings and CRM that generates next-best-action plans from transcripts automatically.
- Implemented LangGraph agent orchestration and stateful workflows.
- Developed React and TypeScript front end for the product.
- Engineered an ingestion pipeline to process call recordings.
Co-founder and Engineer
Lucid Coin
- Co-founded and shipped a Web3 ecosystem on Base, Coinbase's Layer-2 Ethereum blockchain.
- Developed a custom ERC-20 token (LUCID) with automated tokenomics.
- Built a self-sustaining liquidity pool with a custom smart contract tax structure.
- Architected a live token-gated community competition platform.
Senior Software Engineer
Gem/Blockdaemon
- Provided front-end leadership across multiple product verticals, including Gem Onramp, a KYB onboarding portal, and the institutional staking dashboard.
- Contributed to Gem Onramp, which achieved over $600 million in transaction volume and gained more than 300,000 users.
- Worked on a KYB onboarding portal that reduced institutional sales costs by over 80%.
- Contributed to the institutional staking dashboard for Fortune 500 clients.
Lead Front-end Engineer
Gem/Blockdaemon
- Architected the Gem Onramp client-facing React-based application.
- Scaled the application to over 300,000 users and $600 million in transaction volume.
- Served as a technical lead through the company's acquisition by Blockdaemon.
Software Engineer
Gem/Blockdaemon
- Optimized React Native performance for Gem's Portfolio mobile application.
- Improved user experience for Gem's Portfolio mobile application.
- Directed a state management refactor effort to improve mobile app latency issues.
Senior Front-end Engineer
Tagflix
- Built React applications for the core video marketing platform.
- Automated processes that reduced operational data entry costs by over 90%.
- Built custom data-driven visuals and animation overlays that represented product occurrence in video.
Experience
Heard Intelligence
https://heard.bot/Education
Bachelor's Degree in Physics
University Of California, Santa Barbara - Santa Barbara, CA
Certifications
AI Engineering Certificate
Turing College
Full Stack Development Certificate
Thinkful
Skills
Libraries/APIs
React, Node.js, PyTorch
Languages
TypeScript, JavaScript, Python, Go
Frameworks
Next.js, Svelte, LangGraph, React Native
Storage
MongoDB, PostgreSQL, Redis
Platforms
Docker
Other
RAG Systems, Agentic RAG Systems, ERC-20, LangChain
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