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GISELLE ZATONYL

FULLSTACK ENGINEER |DESIGN, LLM SYSTEMS & WEB3

React

TypeScript

Node.js

Solidity

LLM/AI

Experience

05+ YRS

Status

OPEN

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CURRENT_STATUS

Location

Remote / NYC

Availability

Open to Roles

Timezone

EST (UTC−5)

SKILL_MATRIX

Frontend_Architecture

React/Next.js

TypeScript

Redux

Three.js

Backend_Engines

Node.js

Express

GraphQL/Apollo

PostgreSQL

AI_&_LLM

Claude API

OpenAI

MCP

LangChain

Web3_Protocols

Ethers.js

Solidity

ERC Standards

Foundry

Tooling

Jest

Playwright

Storybook

Figma

EXP_LOG

Blockparty / OneSource

Front End Software Engineer

05/2023 – Present

Led LLM readability initiative for docs.onesource.io — 55-question automated test suite across 6 API categories. Proved outcome: Claude 65% → 98% (+33%), all models reached 93–98%.

Built and launched data-explorer.onesource.io on own initiative — query runner across 7 blockchains, AI-powered explanations via Claude API, Jira integration, gamification. Stack: Next.js 16, React 19, Apollo/GraphQL, PostgreSQL/Prisma.

Designed and shipped Schema Planner — internal visual GraphQL schema editor with GitHub OAuth, branch management, CodeMirror 6 sandbox, OpenSearch field suggestions, and full Git PR workflow.

Built AI distribution layer for Mach10: MCP server + CLI serving OneSource API docs to AI coding assistants; Claude Code skill plugin with 12 GraphQL queries and auth patterns.

Mochi!

Front End Software Engineer

03/2021 – 03/2023

Grew test coverage from 2% to 70% on a production TypeScript/React codebase — established testing patterns, wrote the initial suite, set up CI gates to prevent regression.

Reduced onboarding from 9 steps to 3 — rebuilt auth and progression flow, increasing user engagement 300%; integrated Storybook for design-engineering alignment.

Maintained full frontend for a blockchain-based productivity game over 2 years: TypeScript, React, Redux, Styled Components.

Contract & Freelance

Frontend Engineer

2020

Frontend builds for clients including Johnson & Johnson — React, vanilla JS, Google Web Designer. Interactive ad campaigns and marketing sites on tight turnaround contracts.

CBRE

Senior Graphic Designer

03/2017 – 02/2020

Real estate marketing and investor materials for enterprise clients. Figma/Adobe CS proficiency carried into design-to-engineering handoffs across all subsequent frontend roles.

PROJECT_NODES

Agentic Orchestration

TARANTOGAS-SIMULACRA

Hierarchical multi-agent orchestration on top of Claude Code — 5 agent tiers, atomic file coordination, 9-stage quality pipeline, and behavioral drift monitoring grounded in Anthropic research.

TypeScript

Claude

Generative AI / Vision

SUSTAINABLESTYLIST.AI

Fullstack AI fashion assistant using vision models. Concurrent scraping across Depop, eBay, and The RealReal. Express backend, React/Redux frontend with real-time AI chat.

TypeScript

OpenAI

Net Art / Interactive

CONDUCTIVITY-RESISTIVITY

Net art museum exploring conductivity and resistivity as aesthetic experience. Interactive data visualization rendered as an immersive, browser-native environment.

JavaScript

WebGL

EDUCATION

Fullstack Academy — Grace Hopper Program

Software Engineering Immersive · 2020

University of Florida

BFA, Electronic Intermedia · 2004–2008

© 2026 GISELLE ZATONYL