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Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Achievements

Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLOAchievement: StarstruckAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx3

Organizations

@Sagelyapp @nginxbeautifier

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hodovani/README.md

Matvii Hodovaniuk

Senior frontend and full-stack engineer building SaaS products, data-heavy interfaces, and AI-enabled features.

My core stack is React and TypeScript, with Java and Python backend experience. I work with clients, product managers, and colleagues across departments to clarify requirements, shape scope, and plan delivery for myself and the team.

I spent five years at Adthena, contributing to enterprise search-intelligence products, including AI-enabled features in collaboration with data teams.

Based in Poland · Open to remote frontend, full-stack, and product engineering roles.

Projects & case studies · LinkedIn / contact · Engineering blog

Selected projects

These are independent projects exploring interface design, frontend architecture, and AI integration.

Workbench — React & TypeScript AI chat

A work-in-progress chat application built with Next.js and React. The current implementation includes streamed Gemini responses, loading/error states, and retry behavior, with separate components for UI, conversation state, and model integration. The live prototype requires a user-provided Gemini API key.

Demo — API key required · Code & setup

Model Explorer — API-backed interface

An interface built with native Web Components, with separate modules for API access, application state, templates, and focus management. The case study explains the design decisions and support for browser agents.

Demo · Code · Case study

AI Guardrail Policy Builder — multi-step form

A frameworkless form built with HTML, CSS, JavaScript, and Web Components, exploring validation, browser storage, keyboard interaction, and accessible form behavior.

Demo · Code · Case study

More engineering writing

Browser-based AI agent orchestration: ReAct loops, state graphs, and multi-agent swarms

Latest blog posts

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  1. hodovani.github.io hodovani.github.io Public

    Engineering portfolio: interactive demos, frontend projects, and case studies.

    JavaScript 13 3

  2. workbench workbench Public

    React and TypeScript engineering workbench. Current project: a streaming Gemini chat prototype built with Next.js, with error handling, retry, and browser-managed API keys. Work in progress.

    TypeScript

  3. agent-orchestration-case-study agent-orchestration-case-study Public

    Browser AI orchestration experiments: ReAct loops, state graphs, and hierarchical agents using Chrome’s on-device LanguageModel API. Includes source code and an engineering case study.

    Shell 1