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Leonardo Rocha
Backend Software Developer
📍 Brazil
Professional Summary
Backend developer with expertise in Python, Ruby, and JavaScript, dedicated to building efficient and scalable solutions. Currently focused on AI and machine learning, working on innovative projects that leverage artificial intelligence to create impactful solutions.
Technical Skills
Languages
Python, JavaScript, TypeScript, Ruby, Go
Backend & Frameworks
Django, FastAPI, Flask, Node.js, NestJS, Rails
AI & ML
Machine Learning, AI Models, LLMs, RAG
Tools & Infrastructure
AWS, Redis, Docker, Git, PostgreSQL, NoSQL
Languages
Portuguese (Native), English (Advanced)
Work Experience
Software Engineer
R10 Score • Belo Horizonte, Brazil
May 2025 - Jan 2026
- Worked as a Backend Developer on a soccer data platform, building and evolving services that power real-time sports features
- Maintained and evolved a high-availability backend ecosystem responsible for processing soccer match data
- Designed, developed, and improved RESTful APIs and background services using Python (Django & FastAPI), Node.js (NestJS), and Go
- Continuously enhanced existing features, improving performance, reliability, and scalability of core services
- Major project: One of the main developers of a new real-time betslip processing service that receives screenshots, extracts structured data, and validates bets during live matches - focusing on low latency, accuracy, and fault tolerance
Software Developer
Fetchly • Remote
Jul 2022 - Apr 2025
- Built and maintained web applications using JavaScript (React, Node), Python (Django, Flask, FastAPI), Ruby on Rails, and PostgreSQL
- Designed and developed RESTful APIs for seamless integration
- Identified and resolved critical bugs, enhancing system reliability
- Worked closely with designers, product managers, and QA teams in cross-functional collaboration
Software Developer
EduCAT • Belo Horizonte, Brazil
Sep 2020 - Apr 2022
- Built and maintained applications using ReactJS, Python (Django, Flask), and SQL Server
- Implemented authentication and authorization protocols, enhancing system security
- Refactored legacy code, reducing load times and improving maintainability
- Designed and developed RESTful APIs for various integrations
Education
Computer Science
Fumec • Brazil
Jun 2025 - 2029
Computer Engineering
Pontifícia Universidade Católica (PUC) • Brazil
Jan 2023 - Jan 2024