André Silva is a Senior Software Engineer with 8+ years of software engineering experience, including 5+ years building fintech and consumer applications at scale. He specializes in Flutter, Dart, Go (Golang), PostgreSQL, Docker, and AWS.

What companies has André Silva worked for?

André Silva has worked as a Senior Software Engineer and Flutter Developer for leading companies including Jeitto (Payment Institution), Savana (USA digital banking platform), Nubank (Nu Pagamentos S.A.), Evertec Brasil, and ZScan Software.

What are André Silva's main technical skills?

André's core skills include Flutter, Dart, Go (Golang), PostgreSQL, Docker, AWS, Firebase, REST APIs, Microservices, System Design, Android Instant Apps, and Web & Mobile Accessibility (WCAG 2.2 / VPAT / ARIA).

How can I contact André Silva?

You can contact André Silva via email at anprofelipe@gmail.com, view his GitHub profile at https://github.com/andresilvase, or visit his portfolio website at https://andresilvase.dev/.

André Silva | Senior Software Engineer

About André Silva

André Silva is a Senior Software Engineer with 8+ years of total software engineering experience, including over 5 years dedicated to building fintech and high-scale consumer applications.

"Engineering high-scale digital platforms requires pairing robust architecture with strict accessibility standards (WCAG 2.2 / VPAT) so products serve millions seamlessly." — André Silva

He specializes in cross-platform mobile development using Flutter and Dart, alongside backend microservices using Go (Golang), PostgreSQL, Docker, and AWS (Amazon Web Services).

Senior Software Engineer with 8+ years of experience engineering high-scale consumer software
Specialized in Flutter, Dart, Go (Golang), PostgreSQL, Docker, and AWS Cloud infrastructure
Migrated core digital banking platforms to Flutter for 100M+ customers at Nubank
Engineered Android Instant Apps driving 11,000+ daily new account registrations
Led WCAG 2.2 & VPAT accessibility compliance for digital banking products

Technical Expertise

Mobile Engineering

Flutter Framework & Dart Programming Language
Android Native (Kotlin), iOS Native (Swift), Android Instant Apps
State Management: BLoC, Redux, Provider, Riverpod, GetX
Architecture Patterns: Clean Architecture, MVVM, MVC, Hexagonal Architecture

Backend & Cloud Infrastructure

Languages & Databases: Go (Golang), TypeScript, Node.js, PostgreSQL Database, Redis, Firebase, SQLite
Cloud & DevOps: Amazon Web Services (AWS Cloud Practitioner), Google Cloud Platform (GCP), Docker Containers, Git, REST APIs, Microservices
Accessibility Standards: WCAG 2.2 Guidelines, VPAT Compliance, W3C WAI-ARIA Authoring Practices

Career Journey & Work Experience

Senior Developer — FAZ Cred

August 17, 2026 – Present | São Paulo, SP, Brazil

Key developer strengthening core technologies and community building for FAZ Cred's high-growth digital financial platform in São Paulo.

Key developer strengthening core technologies and software architecture for FAZ Cred's high-growth digital financial platform.
Leading full-stack engineering initiatives and community-driven technology building for digital credit products.

Senior Software Engineer — Jeitto | Payment Institution

November 2024 – July 2026 | São Paulo, SP, Brazil

André Silva launched Jeitto's first iOS wallet app with 46,000 downloads and 65% signup conversion rate.

Led mobile engineering for Jeitto's Insurance platform (Seguro AP), generating 2,090+ contracts and R$8.5K NIM in 4 months.
Co-led Android-to-Flutter migration and launched Jeitto's first iOS app with 46K downloads in month one (65% conversion rate).
Delivered core payment features including PIX cash-in, biometric authentication, and Tap to Pay.

Senior Flutter Engineer — Savana

February 2025 – February 2026 | Malvern, PA, USA

He led web and mobile accessibility remediation to achieve full VPAT and WCAG 2.2 Level AA compliance.

Led web and mobile accessibility remediation to achieve full VPAT and WCAG 2.2 compliance for digital banking platform.
Defined W3C WAI-ARIA accessibility standards and screen reader interactions across Flutter apps.

Software Engineer — Nubank (Nu Pagamentos S.A.)

October 2021 – August 2024 | São Paulo, SP, Brazil

André Silva migrated core mobile banking platforms to Flutter for over 100 million active users in Latin America.

Migrated Android and iOS digital banking features to Flutter serving over 100M+ active customers across Latin America.
Engineered Android Instant App architecture that drove 11,000 daily new account signups.
Redesigned PJ business account home experience achieving 88% CSAT score.

Flutter Developer — Evertec Brasil

February 2021 – September 2021 | Porto Alegre, RS, Brazil

He engineered white-label fintech core features for instant PIX payments and QR code transaction processing.

Built white-label core fintech features including PIX payments, QR code scanning, and transaction history using Flutter and Dart.

Frontend Developer Intern — ZScan Software

July 2019 – June 2020 | Goiânia, GO, Brazil

André Silva developed medical examination imaging software deployed across clinics in Brazil and South America.

Developed medical imaging examination software deployed across Brazil and South America using React, TypeScript, and Firebase.

Featured Engineering Projects

Ride Assistant

Android app that reads ride offers on screen with on-device OCR, applies the driver's filters and decides in half a second. Fully offline.

Built with Kotlin, Jetpack Compose, ML Kit, Room, Hilt
Decision history and offer simulator

andresilvase.dev/ride-assistant

Erosyn

Privacy-focused social platform for verified adults featuring identity verification, encrypted messaging, and profile management across web and mobile.

Built with Flutter, Go (Golang), PostgreSQL, Docker, AWS, Firebase
Multiplatform cross-device architecture

erosynbr.com

Iskedoo

Cloud-based scheduling platform for service businesses with real-time calendar sync and automated notifications.

Built with Flutter, Firebase, Google Maps Platform, Node.js
Real-time appointment scheduling backend

iskedoo.com.br

Tiutiu — Animal Adoption

Open-source animal adoption platform connecting shelters and adopters with real-time search filters.

Built with Flutter, Firebase, GCP, SQLite, Node.js
Open source community contribution

tiutiu.com.br | GitHub Repository

Nubank Mobile App

Flagship mobile banking application for Latin America's largest digital bank serving over 100 million active users.

High-scale Flutter & Instant App infrastructure
100M+ active users served

Nubank App on Google Play Store

Education & Certifications

Education

Pontifical Catholic University of Goiás (PUC Goiás) — Computer Science / Software Engineering Degree

Certifications

Introduction to Model Context Protocol — Anthropic (2026)
Database Integration in GO — Rocketseat (2025)
Advanced HTTP Server Concepts — Rocketseat (2024)
Mastering the System Design Interview — Udemy (2024)
AWS Cloud Practitioner Essentials — Amazon Web Services (2022)
IELTS Band 9.0 (English Proficiency) — Elsa Speak (2022)
Software Architecture Fundamentals — desenvolvedor.io (2021)

References & Citation Sources

Authoritative documentation, institutional profiles, and technology standards referenced across this portfolio.

Flutter Framework Specification — Official multiplatform application framework documentation from Google.
Go (Golang) Language Documentation — Backend microservice development and HTTP server specifications.
W3C Web Content Accessibility Guidelines (WCAG 2.2) — W3C WAI accessibility standard for web and mobile software.
Nubank Platform & Investor Relations — Official platform profile for Latin America's largest digital bank (100M+ users).
Jeitto Payment Institution — Credit and digital payment platform documentation and iOS application metrics.
Pontifical Catholic University of Goiás (PUC Goiás) — Computer Science and Software Engineering degree program registry.
Amazon Web Services (AWS) Certification Registry — AWS Cloud Practitioner credential verification portal.