Juan Martin
Santos Ayala.
Systems & Computer Engineer focused on robust backend and DevOps work with TypeScript and Python, now exploring Machine Learning & AI. I build scalable, well-crafted systems for teams and clients.
2+
Years shipping
C1
English · IELTS 8.0
MISO
M.S. in progress
✶ Toolbox
Core technologies I work with
TypeScript
Type-safe development
Python
Data & scripting
AWS
ECS, ECR, Lambda
React
Web apps
Node.js
Services & APIs
NestJS
DDD / CQRS
PostgreSQL
Migrations & queries
GCP
Cloud fundamentals
Linux
DevOps workflow
Backend
Architecture & DevOps
✶ What I offer
Services for teams & clients
From a first API to a full platform migration. End-to-end engineering focused on clarity, reliability and long-term maintainability.
Backend Development
Robust APIs and microservices in Python, Node.js and NestJS, applying DDD, CQRS and Clean Code for systems that scale and stay maintainable.
AI & ML Integrations
Bringing machine learning and AI into real products: integrating LLMs, building RAG features and wiring models to reliable back ends and data.
Data & Databases
PostgreSQL and Redshift migrations, database replication and query optimization that reduce operational load and cut costs.
Web Development
Modern, responsive web apps with React and TypeScript, wired cleanly to reliable back ends and third-party integrations.
✶ Currently learning
Growing into Machine Learning & AI
I'm an engineer who loves shipping, and I'm intentionally investing in ML and AI to bring intelligent features into the products I build. My software-engineering and cloud background gives me a head start on taking models from notebook to production.
ML foundations
Building a solid base in machine learning: supervised learning, model evaluation and the Python data stack (NumPy, pandas, scikit-learn).
AI-powered apps
Integrating LLMs and AI services into real products: RAG, prompt design and connecting models to reliable back ends and data.
MLOps mindset
Applying my DevOps background to ML: reproducible pipelines, deployment and monitoring so models actually make it to production.
✶ Beyond the code
Off the clock
When I'm not building software, you'll usually find me on a basketball court, training, or deep into a game or an anime. I love sport and staying active.
✶ Let's talk
Have a project or a role in mind?
I'm open to freelance work and collaborations. Tell me what you're building and let's make it happen.