Available now · Costa Rica

Meet the people
behind the code.

Senior engineers, QA specialists, designers, and AI builders — available to embed with your team on contract, part-time, or full-time.

12
Team members
6
Available now
US / EU
Timezone overlap
English
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Esteban Sancho
Agentic AI Architect

AI-native full-stack engineer who ships multi-agent systems with MCP tooling and review gates that keep agent output production-safe. Seven years building on Node.js/TypeScript at Experian and solo MVPs.

Claude Code MCP Node.js TypeScript
Available now
Fabio Sossa
QA Automation Lead

ISTQB-certified QA lead who built a custom AI-powered testing tool for his team on Claude. Eight years shipping quality on titles like The Last of Us 2 and Cyberpunk 2077.

Playwright Claude AI ISTQB Postman
Available now
Juan Carlos Calderón
Principal Technical Consultant

Nearly two decades reverse-engineering undocumented enterprise systems — SDL Tridion, Sitecore, WordPress VIP. The escalation call when production is down and nobody remembers how it works.

SQL Optimization WordPress VIP SDL Tridion .NET
Available now
Juan F. Alpizar
Senior Full-Stack Developer

Eight years shipping C#/.NET and React across fintech, litigation, and loyalty platforms. Migrates legacy PHP mid-sprint and wires OAuth on Azure the same week.

C#/.NET React Azure AWS
Available now
Ricardo Tovar
Senior Full-Stack Developer

Fifteen years owning features from database to UI — Node.js, Next.js, and React at scale, with LLMs wired into production for structured extraction from documents and images. Shipped Surfsmash to both app stores and a 1,500-user food-production SaaS on AWS with Stripe, Redis, and Terraform.

Node.js Next.js React TypeScript
Valeria Bolaños Available now
Valeria Bolaños
Senior QA Engineer

Seven years pushing quality across web, mobile, and APIs — manual and automated, with a product-minded edge. Now exploring agentic AI to make testing smarter, not just faster.

Manual Testing Test Automation API Testing AI for QA
Pablo Puente Available now
Pablo Puente
Principal Full-Stack Engineer

Eighteen years shipping enterprise apps in fintech, healthcare, and beyond — React to .NET, Python to Java. Led teams, taught university programming, and still cares about clean architecture.

React .NET Python Java
Julio Forero Available now
Julio Forero
Senior Full-Stack Developer

Ten-plus years building secure backend systems and SaaS web apps — C#/.NET Core, microservices, and AWS on the back; Next.js and React up front. Uses AI coding tools without cutting corners on quality.

C#/.NET Core AWS Next.js React
Jean Paul Maradiaga Available now
Jean Paul Maradiaga
Senior Full-Stack Engineer & Tech Lead

Nine years building cloud-native products for healthcare, banking, and e-commerce — React and Next.js up front, Node.js and Python on AWS behind. Has led teams through HIPAA-grade work and now wires LLM tooling into everyday delivery.

React Node.js TypeScript AWS
Valeria Ramirez Available now
Valeria Ramirez
QA Lead

Eight years of QA across airlines, banking, legal, and legacy systems — manual, automated, and team lead. Recently focused on AI agents for test generation and smarter automation frameworks.

Test Automation Manual Testing QA Leadership AI for QA
Juan Diego Araya Available now
Juan Diego Araya
Principal Full-Stack Engineer

Ten-plus years delivering enterprise SaaS with React, Node.js, and TypeScript — led teams up to 20 at Fortune 500 engagements. Brings LLM APIs and AI coding assistants into the workflow without sacrificing engineering rigor.

React Node.js TypeScript AWS
Joan Hao Available now
Joan Hao
Principal Engineer & Engineering Leader

Former Engineering Manager at Edmodo (100M+ users), then co-founded Strofe — an AI music platform that reached YC interview rounds. Published at CLEI as an undergrad; still builds at the intersection of product and code.

Engineering Leadership Full-Stack Development AI Products EdTech
Herberth Castro Available now
Herberth Castro
Principal AI Architect

Twenty-two years from live-service games to government platforms — lead architect on Costa Rica's National Ocean Account and production RAG agents for healthcare and legal at Vector AI. Turns regulated, complex domains into auditable, source-cited products.

System Architecture RAG / LLM Integration Full-Stack Development Applied AI
Mary Yong Available soon
Mary Yong
Product & UX/UI Designer

Four-plus years designing products where user needs and business goals actually align — from research and flows through design systems and accessibility. Graphic design roots mean comfortable owning brand, visual language, and UX when the role is hybrid.

UX/UI Design Design Systems User Research Prototyping

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