Building scalable mobile and web solutions - "Code is a commodity, maturity is not."
- Senior Software Engineer: Building scalable systems and leading technical decisions across the full development lifecycle.
- Android Engineer Specialist: Crafting high-performance mobile experiences with deep expertise in the Android ecosystem.
- Tech Lead: Guiding engineering teams through architecture, code quality, and delivery with a hands-on approach.
- Speaker: Turning complex engineering and leadership challenges into practical, engaging talks for the community.
- AI-Augmented Development: I use tools like Cursor, Codex, and Claude Code to boost productivity and improve code quality.
- 12 years turning complex problems into scalable software.
- Graduated in Information Systems at Federal Institute of Alagoas (IFAL) 🎓
- I build mobile products that perform, lead teams that ship, and never stop learning.
- Active speaker at events, meetups, and workshops — I learn best by teaching.
- Music lover and guitarist — creativity off-screen fuels better code on-screen. 🎸
- Bem Fácil Digital: Tech Lead & Principal Android Engineer, architecting the payment capture ecosystem for a fintech processing Credit, Debit, and PIX on SmartPOS devices.
- Pipefy: Senior Android Engineer, stabilizing and modernizing a legacy SaaS app used daily by thousands of business users.
- Zup Innovation / Itaú Bank: Senior Android Developer, building a white-label Banking as a Service platform with A/B testing and feature flags at scale.
- Stant: Android Tech Lead, leading an offline-first B2B app for construction field teams with complex data sync challenges.
| Project | Platform | Stack | Status | Type | |
|---|---|---|---|---|---|
| 💻 | devflow-cli — Assistant to Developers | CLI | Typescript | In dev | Open Source |
| 🎮 | E-Sports Radar — Track live and upcoming esports matches — powered by the PandaScore API. | Android | Kotlin | In dev | Open Source |
| 👤 | Github User Search App — Simple app to find details, discover and favorite github users. | Android | Kotlin | Completed in 2023 | Open Source |
| 🎵 | Musit — SaaS habit platform for musicians | Web (Mobile-first) | TypeScript · Vite · Supabase | Live | Private |
| 🛒 | CheckCart — SuperMarket Assistant | Android & IOS | Kotlin/KMP | In dev | Private |
| ⏳ | TimeBlocker — Hyper Customized Time Blocker Assistant | Android & IOS | Kotlin/KMP | In dev | Private |
Primary
Others
Architecture: MVVM · MVI · Clean Architecture · Coroutines · REST/GraphQL · Hilt/Koin
Keywords: MVC, MVVM, MVP, Viper, Android, Android Developer, Kotlin, Java, Jetpack Compose, KMP, Kotlin Multiplatform, IOS, Android Studio, VSCode, Mobile Developer, Coroutines, Flow, SAAS, Cursor, Claude Code
Know more about me at: denisvieiradev.com



