Featured project
TripFlow
AI-assisted travel planner with real-time collaboration and offline mode, built on event-driven Spring Boot microservices.
Read the case study
Experience
Full-Stack Developer
Génexys Technology
Backend-focused engineer working across cloud services, the data platform and in-vehicle edge systems. I also contribute to architecture decisions, technical standards and system design.
- Design and build microservices with Python and FastAPI on AWS, using event-driven architectures focused on decoupling and scalability.
- Build a telemetry ingestion data platform with AWS Kinesis and Lambda functions that trigger downstream events.
- Implement the in-vehicle edge interface with LVGL and an offline navigation component with Valhalla-based routing for low-connectivity environments.
- Develop web frontends with React (SPA) and Next.js.
- Create agentic engineering workflows with Claude Code, specialized agents and reusable skills.
Full-Stack Developer
Telefónica Innovación Digital
Full-stack internship focused on accessibility, SEO and performance for Telefónica's digital products, built on the Mística Design System.
- Designed and built a full-stack web accessibility analysis platform (React, Express, MongoDB) with automated audit reporting.
- Developed and maintained web applications with Next.js and React.
- Implemented accessibility (WCAG) and SEO improvements across digital products.
- Conducted technical audits and Web Performance Optimization (WPO).
Selected work
Other projects
- Velio
Cycling route planner on open data: loops cut to your distance and climbing, scored by road type, surface and elevation before you ride.
- NoteHub
Lightweight platform that lets you view Markdown notes directly from GitHub repositories, with a clean interface adaptable to any device.
- Bits of Battle
A 1vs1 game to play locally with a friend using the same keyboard. Built for La Hackathon del Dev.
- DJ Sanz
Portfolio website for DJ Sanz, with a clean and modern interface adaptable to any device.
About
Diego Sánchez Rincón
Software Engineer
I’m a Software Engineer focused on backend and distributed systems, building scalable cloud services with Python, FastAPI and AWS.
At Génexys I build microservices and event-driven architectures, work on offline geospatial navigation for low-connectivity environments, and create agentic engineering workflows with Claude Code.
I enjoy designing systems that are simple, reliable and built to scale.
- Education
- Bachelor's in Software EngineeringUniversidad Rey Juan Carlos2022 – 2026
- Languages
- Spanish (native)English (B2, Cambridge)
- Focus
- Backend & distributed systems on AWS
- Based in
- Madrid, Spain
Writing
Introducing Velio
Velio is a cycling route planner that builds loops to the distance and climbing you want and tells you what the route is like before you ride.
TripFlow v1.0.0: Collaborative Travel, Maps and Offline Access
TripFlow v1.0.0 closes the Advanced Features V2 milestone with collaborative itineraries, secure share links, interactive maps, offline-first access, and PDF export.