Alex Martín – Computer Engineering

About

Staff Software Engineer with 15+ years building scalable, fault-tolerant systems. Expert in backend, platform architecture, and technical leadership: strategy definition, best practices (architecture, testing, automation), observability, and security. Based in Cádiz, Spain.

Experience

Affirm — Staff / Senior Software Engineer (06/2021–present). Design of lending and payment services, microservices migrations, improving productivity, reliability, and compliance (Trust & Safety). Kotlin, Python, Ruby; MySQL, Redis, Kafka; Kubernetes, AWS.
SEK International Institution — CTO (2018–2021). Led a global team of 30+ across 16 countries; cloud, CI/CD, web/mobile platforms. Kotlin, Spring Boot, React, Jenkins, Docker.
Carto — Backend Engineer (2017–2018). Large-scale geospatial SaaS; multi‑cloud migration with zero downtime. Rails, Node.js, PostgreSQL, Redis.
Avature — Senior Engineer & Engineering Manager (2014–2017). Large-scale recruiting platform; improved quality and delivery. PHP, Symfony, MySQL.
Entrepreneurship — Founder/CTO at dymotics (2013) and co‑founder at funddy (2012–). IoT and web platforms.

Skills

Software architecture Testing & Automation Ruby Python PHP Java Kotlin PostgreSQL Redis MongoDB MySQL Docker Kafka Kubernetes AWS CI/CD REST · gRPC DDD · Hexagonal

Side projects

VAM Box — Functional training gym with 300+ recurring members (2016). Instagram
lift & latte — Specialty coffee shop (2025). Instagram

For fun

Outside of work, I enjoy CrossFit training and weightlifting, specialty coffee, traveling, and visiting new restaurants.

Coffee corner setup

Rocket Appartamento Varia VS3 grinder Aeropress Go Commandante hand grinder