AXEL

MAYNÉS

Computer Engineer building thoughtful web systems and exploring AI sustainability.

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React & Next.jsTypeScriptPythonAI ResearchMachine LearningAutomationDockerNode.jsPostgreSQLn8n WorkflowsGitLinuxSwiftComputer EngineeringReact & Next.jsTypeScriptPythonAI ResearchMachine LearningAutomationDockerNode.jsPostgreSQLn8n WorkflowsGitLinuxSwiftComputer Engineering
01 — Who I am
Portrait of Axel Maynés

I design, build, and ship real products from AI research tools to production web apps. Curious across AI, systems & product, I learn by doing.

Axel Maynés — Computer Engineer
02 — Selected Work

& counting.

012026Co-founder & Builder

Stampr

Stamp cards that live in your wallet.

B2B loyalty SaaS replacing cardboard stamp cards with digital passes in Apple Wallet and Google Wallet — .pkpass signing, APNs push, JWT save-links, idempotent pass issuance, and a real-time owner dashboard.

Next.jsTypeScriptMongoDBApple WalletGoogle Wallet
Visit live
stampr.es
Stampr preview
022025-26Freelance Developer

Mereto Ritual

Guest feedback that turns into growth.

Multi-tenant guest-feedback SaaS for hospitality with a localised public flow (EN / ES / CA) and an owner analytics dashboard. Built and shipped end-to-end with one collaborator.

Next.jsTypeScriptMongoDBi18n
Visit live
mereto.es
Mereto Ritual preview
032026Freelance Developer

Chocimska 3

A home away from home in Warsaw.

Production marketing & booking site for a student residence in Warsaw. Serverless architecture, transactional email via Resend, and server-side i18n.

Next.jsVercelResendi18n
Visit live
chocimska3.pl
Chocimska 3 preview
042025–26AI Research

EcoInference

Trading accuracy for energy at inference time.

Adaptive inference benchmarking framework for Green AI: cascading (light → heavy model escalation) and a learned DecisionTree router. Measured per-sample energy with CodeCarbon on Fashion-MNIST.

PyTorchCodeCarbonPythonResearch
Research project
research · local
RESEARCH · ADAPTIVE INFERENCE · FASHION-MNISTCASCADINGearly exityesnoInputSmall Modelconf ≥ τ ?Large ModelOutputROUTINGInputDecisionTreeRouterM1M2M3Output

Always shipping. Based in Barcelona. Let's build something.