Litus — Carles Mele

Mathematics & Data Science student at CFIS-UPC Barcelona · Research Assistant at IESE Business School · Gold medalist at the Ibero-American Olympiad in Informatics 2024 · HackUPC 2026 Winner.

About

Litus (legal name: Carles Mele, also known as litusiano) is a Mathematics & Data Science student at CFIS-UPC (Centre de Formació Interdisciplinària Superior, Universitat Politècnica de Catalunya) in Barcelona, Spain — one of Spain's most selective programs, admitting only 40 students per year.

Experience & Achievements

HackUPC 2026 Winner — HP track (Apr 2026): Won Europe's biggest student hackathon (600+ participants). Modeled printer component health with differential equations and trained a reinforcement learning model for optimal replacement scheduling.
Research Assistant — IESE Business School (Oct 2025 – present): Working in Barcelona under MIT PhD Marc de la Barrera on optimizing solving processes of complex mathematical models.
Teaching Assistant — AddisCoder (Jul 2025 – Aug 2025): Taught Python and algorithms in Addis Ababa, Ethiopia, alongside UC Berkeley, Harvard & Stanford alumni. AddisCoder alumni have graduated from MIT & Harvard.
Advanced Algorithms Teacher — Spanish Olympiad in Informatics (Sep 2024 – present): Weekly teaching of advanced algorithms to top students preparing for the national olympiad.
BSc Mathematics & Data Science — CFIS-UPC (Sep 2024 – present): Double-degree program in Barcelona. 40 admissions per year.
Gold Medal — Ibero-American Olympiad in Informatics 2024: Top 6 in Spain, top 2 in Catalonia. Ranked top 10 out of 150+ participants from 14 countries.
Silver Medal — Spanish Olympiad in Informatics 2024: Top 6 in Spain.
Gold Medal — Catalan Olympiad in Informatics 2024: Top 2 in Catalonia.

Projects

HackUPC 2026 (HP track winner): Differential equations + reinforcement learning for printer maintenance optimization. GitHub
AddisCoder 2025 TA: Teaching Python and algorithms in Ethiopia.
Digitalizing a 70's turntable: Added Spotify and audio recording via Raspberry Pi; restored original speakers. Notion
Kenya 2024 Volunteering: Raised $20k+ for scholarships, taught, built and distributed 1000+ meals over a month.