AI-Augmented Software Development & QA

Helping businesses build scalable, high-performance Web, Mobile, Blockchain and AI-powered applications with embedded quality assurance from day one.

Core Expertise

AI-Augmented QA & Testing

Designing robust test automation frameworks with Playwright and Cypress to accelerate delivery cycles and guarantee flawless end-user experiences from day one.

Agentic AI Solutions

Integrating LLMs and autonomous AI agents into products to create smart, data-driven agentic workflows using Claude, OpenAI and modern RAG architectures.

Web3 & Smart Contracts

Deploying and auditing decentralized applications (dApps) and smart contracts across Ethereum and other networks using Solidity and Hardhat.

DevOps & CI/CD Pipelines

Streamlining cloud infrastructure and continuous integration pipelines with GitHub Actions, Docker and AWS to ensure seamless and reliable deployments.

Workflow Automations

Architecting seamless system integrations and powerful automations using n8n and custom scripts to drastically optimize complex business operations.

Tech Leadership & Strategy

Elevating engineering teams with Agile methodologies, shift-left testing principles and a strong focus on high-quality product delivery and technical excellence.

AI-Powered Software Architecture & Dev Engineering

AI-Augmented Engineering & Architecture

From architecting AI-agentic workflows to deploying robust Web3 smart contracts, my goal is simple: empower your business with cutting-edge technology. I leverage modern stacks to transform complex operational challenges into highly scalable, automated solutions.

Next-Generation Quality Assurance

Quality isn’t an afterthought; it’s the foundation of every successful product. I instill technical excellence through meticulous test planning, advanced Playwright automation strategies and a shift-left mindset that eliminates bugs long before they reach production.

Automated Software Testing & QA Shield
Professional photo of Yosuan Crespo, Senior QA Lead, working in his office

About Me

With more than 17 years in software engineering and a relentless passion for innovation, I combine a business-first mindset with deep technical expertise in QA and System Architecture. My mission is to guide teams towards technical excellence while delivering products of uncompromising quality.

  • My Engineering Philosophy

    I build software that doesn’t just pass tests, it defines them. By treating quality and security as strict engineering disciplines rather than an afterthought, I empower teams to release faster, scale with confidence and sleep better at night.
    Yosuan Crespo
    Senior QA Lead, AI & Automation Engineer

Ship flawless software, faster