European patent application · Patent pending
Neuro-symbolic system and method for multi-domain structured document processing with modular symbolic reasoning and bidirectional neural feedback
Co-inventorEP26191651.4
Bangkok, TH/Lead R&D Engineer & AI Researcher
Jeferson Borba
Building intelligent systems.
Connecting learning with reasoning.
I’m a lead R&D engineer and systems architect working on neuro-symbolic AI, knowledge graphs, and structured document processing. My work connects applied research with the engineering of practical systems.
01
Research & intellectual property
Learning, structure,
and reasoning.
My research interests center on combining neural models with explicit knowledge and symbolic reasoning. I’m interested in developing this work further through academic research.
Selected writing
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02
Selected projects
Histopia
Creator & Architect · Cabin Software
A Cabin Software history learning platform I designed and built, featuring 2,400+ interactive lessons, custom game logic engines, and a node-based progression system.
React NativeNode.jsFirebaseGamification
2024 — Present
Cabin Tools
Open Source
A suite of privacy-first developer utilities (Redactor, Token Calculator, SQL Seed Generator) running entirely client-side.
Next.jsWASMCanvas API
2025
03
Experience
May 2025 — Present
VendueTech (opens in a new tab)
Lead R&D EngineerZagreb, Croatia (Remote)
Leading technical R&D and core architecture. Formulated and engineered an end-to-end Neuro-Symbolic AI framework integrating structured knowledge graphs with deterministic reasoning layers, resulting in a pending European Patent application. Established organization-wide QA protocols and observability pipelines to meet European enterprise standards.
Volunteer
Stoa (opens in a new tab)
Senior React Native Engineer · VolunteerBrazil
Contributing to a project for Passatempo Educativo through Stoa, a Brazilian NGO that helps other NGOs with technology. Developing a free, gamified mobile app that educates workers about the United Nations Sustainable Development Goals.
Feb 2023 — Present
Cabin Software (opens in a new tab)
Founder & Principal Systems ArchitectBangkok, Thailand (Remote)
Running my software consultancy and product company, providing architectural guidance in neuro-symbolic AI, graph databases, and event-driven systems for international enterprise clients. Leading the design and development of company products, including Histopia.
Apr 2021 — Oct 2024
Hacker Noon (opens in a new tab)
Software Engineer - Product & AIEagle, Colorado (Remote)
Key engineering contributor for a tech publication serving 5M+ monthly readers. Integrated AI-powered editorial review pipelines, modernized the global dashboard, and engineered real-time community engagement systems.
Dec 2021 — Dec 2022
Meta (opens in a new tab)
Development Analyst SR IISão Paulo, Brazil (Remote)
Worked on the Meta for Business team, delivering high-concurrency experiences for Tier-1 global advertisers (Toyota, L’Oréal). Coordinated rollout strategies across Latin America and engineered modular CMS component libraries.
Sept 2014 — April 2021
Various (Service & Operations)
Foundation & Academic FundingBrazil
Worked across manufacturing, logistics, and service operations to independently fund undergraduate studies.
04
Education
B.S. in Computer Science
University of the People • Cumulative GPA: 3.29 (121 Credits Completed)
2026
05
Certifications & Credentials
Graph Databases & AI
Neo4j Certified Professional
Graph Data Modeling, Cypher Optimization & Algorithms
Language Proficiency
EF SET Certificate (C2 Proficient)
EF Standard English Test
Software Engineering
Fullstack Development
Kenzie Academy