Backend Engineer · Distributed Systems · MSc UC3M

David Reyes.

Backend Software Engineer

I build real-time platforms and backend services for operational environments. MSc in Computer Science and Technology from UC3M (2026), with industry research experience in data platforms and distributed systems.

2.5+
Years in prod.
85%
CI/CD cut
200+
Users served
Download CV
Open to offers
BackendDistributed systemsObservabilityData platformsArchitectureReal-time
David Reyes
Madrid, Spain
Logo personal de David Reyes

My Career

  1. September, 2025 — July, 2026

    MSc in Computer Science and Technology — UC3M

    Software Developer — Industry Research Project

    MSc completed in July 2026 at Universidad Carlos III de Madrid. As part of my thesis I worked on an industry research project, developing systems and prototypes focused on data platforms and distributed systems.

    ReactNext.jsASP.NETSQLHocusPocusSysMLv2
    UC3M logoUniversity website

  2. September, 2023 — December, 2025

    Full-Stack Developer — Axion

    I worked on a real-time monitoring platform for nationwide broadcasting infrastructure, designing REST APIs and backend services for asset and incident management and building map-based operational dashboards. I introduced Redis Stack as a caching layer, cutting load times by 50-60%; I built the GitLab CI/CD pipeline from scratch, reducing deployment time by over 85%; and I expanded an internal login module into a company-wide authentication microservice serving hundreds of users.

    AngularJavaSpring BootSQL (Postgres)RedisCouchDB
    Axion logoCompany website

  3. September, 2020 — November, 2025

    Computer Engineering, Software Engineering — Universidad de Sevilla

    Studies completed in November 2025. A stage where I developed my passion for software engineering and contributed to projects worth highlighting:

    Universidad de Sevilla logoGo to projectsUniversity website

  4. July, 2019

    Science Baccalaureate — Salesianos Stma. Trinidad

    I completed my pre-university studies at Salesianos Stma. Trinidad in the science track.

    Salesianos Stma. Trinidad logoSchool website

Projects

SysML v2 Collaborative Modeler

Real-time collaborative diagramming application compliant with the SysML v2 standard, developed as part of my MSc thesis at UC3M. Built with React and Next.js on the frontend, an ASP.NET backend over PostgreSQL, and HocusPocus for conflict-free multi-user editing.

Whispy

Decentralized end-to-end encrypted messaging platform exploring user-owned identity, distributed data storage, and privacy-first social communication.

n-dim_maze_planner

AI planning toolkit for temporal multi-agent maze problems in PDDL, featuring OPTIC integration, interactive 3D visualization, graph export, and benchmarking.

Open app

PokeClass

Pokémon image classifier built on a ResNet18 convolutional network fine-tuned with PyTorch, packaged as an Electron + React desktop app and shipped alongside a Streamlit demo for quick in-browser inference.

HiseMotions2026

Machine learning project for emotion classification in Old Spanish texts, combining NLP, historical language analysis, and model evaluation.

David Reyes Alés — Ingeniero de Software Backend