Hi, I'm Juan 👋🏽
@sjdonado
I’m a Software Engineer based in Berlin, passionate about green tech and open source.
I began my career in 2017 with web and mobile development and have since developed a deep interest in distributed systems, databases, and embedded systems.
During my Master's in Data Assimilation, I conducted research on an HPC cluster (936 CPU cores, 416 GB RAM), focusing on techniques such as EnKF, 3D-Var, and data interpolation (GRIB2 and METAR observations into the WRF model for high-resolution grids).
I've built side projects used by over 48k users and and contributed to both startups and mid-size companies, from developing MVPs to maintaining large codebases that support more than 3.5 million users and handle over 5 million transactions per day.