Tyler Barnes
Founding Principal Engineer at Mastra
Victoria, British Columbia, Canada
Summary
🤩
Rockstar
Top expert inFront-End Development and JavaScript Ecosystem
Tyler Barnes is a founding principal engineer and entrepreneur based in Victoria, BC, with 10 years of experience building full-stack web and AI systems. He has led engineering at Mastra after senior staff roles at Netlify and Gatsby, combining product-focused leadership with hands-on work across front-end, backend, and storage layers. An active open-source contributor, Tyler has improved high-profile projects like Gatsby and wp-graphql and fixed core agent logic and storage integrations in the TypeScript AI framework Mastra. He’s comfortable navigating complex integrations (WordPress + GraphQL, LLM agent memory/storage) and has a track record of shipping practical fixes that prevent data/role loss and improve developer docs and UX. Colleagues would describe him as a pragmatic engineer who moves between improving developer experience and hardening production systems.
10 years of coding experience
11 years of employment as a software developer
Stackoverflow
66reputation
1kreached
1answer
0questions
Github Skills (23)
javascript10
main-memory10
web-application10
static-site-generator10
wordpress10
storage10
typescript10
wpgraphql10
agent10
webapp10
wordpress-graphql10
typescript-types10
graphql10
typescripts10
gatsby10
Programming languages (17)
Github contributions (5)
mastra-ai/mastra
Oct 2024 - Apr 2025
The TypeScript AI agent framework. ⚡ Assistants, RAG, observability. Supports any LLM: GPT-4, Claude, Gemini, Llama.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:194 reviews, 270 PRs, 516 pushes in 5 months
Contributions summary:Tyler primarily focused on fixing issues related to message role handling in the core agent framework. Their contributions involved identifying and correcting logic errors that caused the loss of message roles, ensuring accurate processing in both the `generate` and `stream` functions. Additionally, the user addressed temporary configuration issues, such as using require shims in development environments. Their work extended to refactoring and improving the overall memory and storage implementations, which included adding new storage flavors like PostgreSQL and Upstash.
agentsaichatbotsevalsjavascript
gatsbyjs/gatsby
Nov 2018 - Jan 2023
The best React-based framework with performance, scalability and security built in.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:519 reviews, 702 commits, 325 PRs in 4 years 3 months
Contributions summary:Tyler primarily contributed to documentation and example improvements within the Gatsby framework, focusing on clarifying usage and addressing tutorial issues. They fixed bugs, especially concerning the WordPress integration, by updating configurations, linking to relevant documentation, and correcting example code. Their work also involved maintaining and improving existing code within the `gatsby-plugin-sharp` plugin, removing console logs, and error handling. They also added several new benchmark features.
gatsbyreactweb-appfastestcompiler
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