---
title: "About"
description: "About Ian Nery Bandeira, senior product engineer."
url: "https://ianbandeira.dev/about"
language: "en"
---

# About: Ian Nery Bandeira

I'm Ian Nery Bandeira, a senior product engineer based in Brasília. My background is React Native app development, usability, research and education.

I'm a proactive problem solver who is always eager to learn and grow, and I like making a positive impact on the teams and projects I work with.

## Experience

### Character.AI: Senior Product Engineer

Nov 2025 – present

Full-stack and mobile product engineering on growth features and monetization infrastructure, at ~15.5M monthly active users.

- Launched the CAI+ onboarding upsell: ~$130k more monthly subscription revenue (+17% gross).
- Led the Following tab: +17.61% following activity, +3.16% active subscribers.
- Shipped Recent Chat Tabs, block/unblock, Character Boost and Preset Wallpapers.
- Overhauled keyboard avoidance across the company into a single unified system.
- Cut CI build times ~57% (cold) and ~82% (warm); CodeQL runtime down 61%.

Read the case study:

- [Character.AI](https://ianbandeira.dev/projects/character-ai.md)

### Techsquads: Senior Software Engineer · Technical Lead

Oct 2023 – Oct 2025

Led prototyping, development and deployment of client apps, working directly with clients.

- Built SoviHealth – Smart Diary from scratch (React Native, Node.js, Firebase, GCP).
- Directed the Next.js SoviHealth web dashboard over three months.
- Built and coordinated AegisApp with a team of five: 200+ downloads in two weeks.

Read the case study:

- [SoviHealth – Smart Diary](https://ianbandeira.dev/projects/sovihealth.md)
- [AegisApp – 911 & Security Helper](https://ianbandeira.dev/projects/aegis-app.md)

### Qintess: Senior Software Engineer

May 2023 – Dec 2023 · Brazil

Co-coordinated a team of six and led an app for artisans in socially vulnerable situations.

- Ran client meetings in English: requirements, team questions and sprint feedback.
- React Native, Expo, EAS, TypeScript and Firebase.

Read the case study:

- [Artisan Marketplace](https://ianbandeira.dev/projects/artisan-marketplace.md)

### Flow Tecnologias Empáticas: Software Developer → Senior Software Engineer

Apr 2022 – May 2023 · Brasília

Integrating psychophysiological data into development environments, and building two React Native apps.

- Coordinated developers and a machine learning researcher on product integration and architecture.
- Part of a team of eight building Moodmind and Playtestr.

Read the case study:

- [Moodmind – Smart Diary](https://ianbandeira.dev/projects/moodmind.md)
- [Playtestr – Playtest Support Tool](https://ianbandeira.dev/projects/playtestr.md)

### University of Brasília: Researcher & Software Engineer · Assistant Teacher

Feb 2020 – May 2023 · Brasília

Research apps, an MSc on wearable psychophysiological data in games, and teaching.

- Built an app for automatic prescription signatures in the Brazilian health system.
- Built Trilha da Arquitetura e Arte, exploring the campus's buildings and artworks.
- Assistant and substitute teacher for Algorithms and Computer Programming; coordinated tutoring for ~350 students a semester.

Read the case study:

- [Prescription Signatures](https://ianbandeira.dev/projects/prescription-signatures.md)
- [Trilha da Arquitetura e Arte](https://ianbandeira.dev/projects/trilha-da-arquitetura-e-arte.md)

### Finatec / CNJ: Front-End Developer

Feb 2019 – Mar 2022 · Brazil

Mobile developer on a team of 18 building ESVirtual, an app for former inmates.

- Owned the API integration and iOS layout work.
- Integrated the app with SEEU, the Unified Electronic Execution System.

Read the case study:

- [ESVirtual](https://ianbandeira.dev/projects/esvirtual.md)

## Education

- **MSc, Computer Science**, University of Brasília (2020 – 2022)
- **BSc, Computer Science (Game Analytics)**, University of Brasília (2017 – 2020)

## Languages

- Portuguese (native)
- English (native or bilingual, EF SET C2)
- Spanish (full professional)

## Get in touch

- Email: [iannerybandeira@gmail.com](mailto:iannerybandeira@gmail.com)
- [LinkedIn](https://www.linkedin.com/in/iannery)
- [Résumé](https://ianbandeira.dev/Ian-Nery-Bandeira-Resume.pdf)