piczadev
Senior Frontend & Web3 Systems Engineer
Senior Software Engineer specializing in React, TypeScript, Next.js, and Node.js for crypto/fintech frontends and automated Web3 trading infrastructure. Designs low-latency terminal-driven systems, programmatic REST/WebSocket API integrations, and secure network access controls. Builds real-time market UIs against CEX and DEX protocols (Kraken, OKX) with strong client-side performance under volatility, using AI-assisted engineering (Cursor, Claude Code) for testing, refactoring, and delivery.
Experience: 3 years
Yearly salary: $10,000
Hourly rate: $15
Nationality: 🇲🇽 Mexico
Residency: 🇲🇽 Mexico
Experience
Contract Engineering Lead
Ecosystem Contract Engagements (via PiczaLabs) 2023 - 2025
Secure API & Caching Layer: Developed secure data-fetching surfaces in Node.js and TypeScript with custom caching policies, protecting endpoints against concurrent request bottlenecks during traffic spikes. High-Trust Transaction Interfaces: Delivered Tonstarter IDO frontends on TON—secure transaction flows and UI/blockchain state sync during high-traffic launch events under PiczaLabs distributed-systems research engagements. Robust Client-Side Testing: Designed E2E automation with Playwright and component unit tests with Jest / React Testing Library for predictable execution of critical data-rendering flows.
Frontend Systems Engineer
Dev0 Labs 2021 - 2023
Scalable Crypto Data Pipelines: Built a Python text-processing and parsing engine to aggregate, clean, and format blockchain market metrics into optimized Markdown for a high-trust technical data architecture. Performance Optimization: Enforced strict TypeScript typing across legacy repositories, reducing runtime errors and improving cross-team architectural collaboration.
Skills
blockchain
front-end
python
solidity
solana
english
spanish