Summary
Sergio De Las Heras is a full-stack software engineer and co-founder based in Madrid with nine years of experience building scalable web platforms for fintech, e-commerce, and education. He specializes in .NET Core and React, has led real-time payment reporting and ETL systems, and has practical DevOps experience automating deployments and managing high-performance Elasticsearch clusters. As Co-Founder of Sealfye he combines product, business operations, and secure payments integration while designing the platform architecture and driving user growth. Sergio has delivered AI-assisted assistants and DDD-driven services at Landbot and built transaction visualization and event-driven systems at Nomupay, showing a consistent focus on reliability and real-time data. He holds a master’s in distributed systems from Universidad Politécnica de Madrid and maintains an active GitHub presence that surfaces his hands-on engineering ethos.
9 years of coding experience
11 years of employment as a software developer
Grado en Ingeniería Informática, Ingeniería de software, Grado en Ingeniería Informática, Ingeniería de software at Universidad de Alcalá
Máster Universitario en Ingeniería Informática, Sistemas y Servicios Distribuidos, Máster Universitario en Ingeniería Informática, Sistemas y Servicios Distribuidos at Universidad Politécnica de Madrid
English, Spanish