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Available for new opportunities

Anton Lykhoyda.
I build developer tools for the agentic era.

Senior Software Engineer, 10 years. Based in Berlin, Germany. Today: building agentic tooling and Ethereum security. Before: React/Node for Volkswagen Group and ChainSafe.

Connect on LinkedInGitHublykhoyda@gmail.com
Now building →ask-llmrn-dev-agentTestudo
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01. About Me

I am a Senior Software Engineer with a decade of experience, including 4+ years building mission-critical applications for Volkswagen Group and 2+ years architecting SDKs and distributed systems.

My expertise lies in Frontend Architecture (React, TypeScript), E2E Testing Strategies, and highly scalable Node.js backends. I have a proven track record of delivering enterprise-grade solutions with a rigorous focus on Test-Driven Development (TDD) and Extreme Programming (XP).

Currently, I am exploring AI-assisted development workflows and building security analyzers for Web3 ecosystems. My approach marries enterprise reliability with cutting-edge technological exploration.

02. Technical Arsenal

Core Expertise

React.jsReact NativeTypeScriptNext.jsNode.jsNest.jsPlaywrightJestHTML5/SCSS

Proficient

GoRust (Wasm)PostgreSQLMongoDBDockerCI/CDLit

Domain Knowledge

Distributed SystemsMicrofrontendsBrowser ExtensionsSDK DesignAI Engineering

Languages

English (C1)German (B1)French (A2)Ukrainian/Russian (Native)

03. Career Journey

Mar 2026 – Present

Senior Frontend Developer

Getsafe (Berlin)

  • Building React Native mobile apps for a Berlin-based digital insurance platform
  • Hybrid role covering mobile product UI, design systems, and front-end engineering
React NativeTypeScriptJavaScriptFront-End Design
Feb 2025 – Feb 2026

Independent Software Engineer (Open Source)

Independent Engineering & Research

  • Developing Testudo for analyzing EIP-7702 security primitives
  • Prototyping backend architectures for distributed task pooling
  • Exploring AI-assisted development workflows
AI EngineeringTypeScriptBrowser Extension Architecture
Oct 2022 – Feb 2025

Senior Full-Stack Developer

ChainSafe Systems (Berlin)

  • Co-developed a TypeScript SDK and Lit-based web components for cross-chain interoperability
  • Core contributor to Dappeteer, a Playwright E2E framework for MetaMask
  • Engineered a production-ready MetaMask Snap for Polkadot
  • Implemented a browser-based Zcash wallet library using Rust compiled to WebAssembly
TypeScriptReactRust/WasmPlaywright
Feb 2018 – Oct 2022

Software Engineer (Full-Stack)

Hexad GmbH (Berlin, Volkswagen Group Partner)

  • Architected a scalable multi-brand frontend platform with dynamic page structures
  • Built the pre-booking platform for EV models (VW ID.3, ID.4)
  • Developed the GDPR Consent Management System used across VW domains
  • Championed TDD and Pair Programming to reduce bug rates in mission-critical systems
ReactNode.jsKotlinSpring BootMicrofrontends
Sep 2017 – Jan 2018

Full Stack Developer

Renault Digital

  • Built SSR platforms using React and Node.js
  • Delivered internal dashboard applications
ReactNode.jsSSR
May 2017 – Aug 2017

Front-end Developer

Zengularity (Paris)

  • Developed responsive user interfaces for European clients
  • Collaborated on complex web applications using modern JavaScript frameworks
JavaScriptHTML5CSS3React
Mar 2016 – Apr 2017

Front-end Developer

Mediasapiens / PSD2HTML (Ukraine)

  • Translated design mockups into pixel-perfect, responsive HTML/CSS pages
  • Ensured cross-browser compatibility and optimized performance
HTML5SASSJavaScriptGulp
Jan 2015 – Mar 2016

Front-end Developer

Sky-tech (Ukraine)

  • Initiated career building interactive web interfaces and styling components
  • Maintained and updated legacy front-end codebases
HTML/CSSjQueryPHP

04. Education & Certifications

Master's in Marketing

2012 – 2018

Kharkiv National University of Economics

Recent Certifications

Agentic AI Engineering

Specialized Training

2025

Distributed Systems Architecture

Specialized Training

2025

Rust Developer Guide

Specialized Training

2025

05. Selected Work

View GitHub
AI / MCP

ask-llm

MCP server for AI-to-AI collaboration

Bridge Claude Code with Gemini, Codex, and other LLMs for second opinions, code review, and plan debate — exposed as a single MCP server.

TypeScriptMCPAI
Live →Code →
AI / DevTools

rn-dev-agent

Claude Code plugin for React Native

Explores codebases, designs architecture, implements features, and verifies them live on simulator via Chrome DevTools Protocol — end-to-end from intent to running app.

TypeScriptReact NativeCDP
Live →Code →
Web3 / Security

Testudo

Transaction security for Ethereum

Browser extension that analyzes EIP-7702 delegations to flag malicious wallet takeovers before signing.

TypeScriptWeb3EIP-7702
Chrome Store →Code →
OSS / Testing

Dappeteer

Open-source MetaMask automation

A widely adopted Playwright E2E framework for automating MetaMask, used in Web3 test suites across the ecosystem.

TypeScriptPlaywright
Code →
Cryptography

WebZjs

Zcash primitives in the browser

Rust compiled to WebAssembly for secure client-side cryptography, enabling Zcash in the browser without a trusted server.

RustWasmTypeScript
Code →