São Paulo, SP, Brazil · Remote

Henrique Afonso dos Santos

Software Developer & AI Data Specialist

Portuguese-Brazil

Email +55 21 97031-6795
X LinkedIn Telegram

Summary

Multidisciplinary professional with solid experience across operational management, software engineering (Web3/blockchain and fullstack), and data quality assurance. Currently working as an AI Trainer at micro1, focusing on audiovisual data annotation, grading, and inconsistency identification for artificial intelligence model training. Brings over a decade of production management experience, overseeing daily workflows, quality control, strict delivery schedules, and client issue resolution. Combines technical rigor, meticulous attention to detail, and practical expertise in audio operations and clear communication.

Professional experience

AI Trainer — micro1

Sep 2026 – Present

  • Conduct in-depth review of video and multimedia content in accordance with detailed grading guidelines, identifying errors, anomalies, and inconsistencies.
  • Deliver precise, structured annotations and qualitative feedback on specific edge cases to calibrate AI training datasets.
  • Maintain strict data quality standards and ensure rigorous adherence to project criteria and evaluation rubrics.

Software Developer (Freelance) — eek029

Feb 2026 – Present

  • Build fullstack web applications (React, TypeScript, Next.js) and develop smart contracts across Web3 ecosystems (Solana/Anchor, Sui/Move, Solidity, Rust).
  • Implement AI agent workflows, backend integrations, and visual asset/interface designs (CorelDRAW, Photoshop).
  • Collaborate directly with remote clients, translating technical requirements into functional software while ensuring on-time delivery.

Production & Operations Manager — Apparel Manufacturing

2010 – 2022

  • Managed daily end-to-end production operations, coordinating team tasks, production volume targets, and delivery schedules.
  • Established and supervised quality control (QC) procedures across all stages (cutting, sewing, measurements, and finishing), reducing material waste and rework.
  • Oversaw inventory control, raw material procurement, and factory scheduling to maintain consistent throughput.
  • Handled direct customer interactions when necessary: aligned order specifications, clarified technical inquiries, and resolved delivery timeline or product adjustment issues.

Audio Technician / Operator — Community Radio Station

2005 – 2009

  • Operated audio mixing consoles and peripheral hardware for live radio broadcasts and studio recordings.
  • Monitored live signal quality, managed audio levels, performed equalization, and minimized background noise.

Licensed Amateur Radio Operator

Jan 2005 – Present

  • Operated radio communications equipment across authorized frequency bands under official regulatory protocols.
  • Demonstrated clear voice diction, active listening skills, and structured technical transmission protocols.

Education

Technical skills

Languages and key attributes