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Renan Martins

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Hi there! I'm Renan Martins, a software engineer based in Fortaleza, Brazil, focused on mobile and web development with a passion for clean architecture and scalable solutions.

About

Hi there! I’m Renan Martins, a software engineer based in Fortaleza, Brazil, focused on mobile and web development with a passion for clean architecture and scalable solutions. I specialize in Flutter and cross-platform mobile apps, and have 4 years of experience delivering products across logistics, healthcare, IoT, sales, and education.

Beyond coding, I enjoy building offline-first architectures, integrating RESTful APIs, and optimizing performance to provide delightful user experiences. I’m comfortable working across frontend and backend stacks, from Kotlin-based Android apps to Node.js services, always aiming for high quality, maintainability, and impactful results.

  • Joined December 2024

Industry experience

  • Agriculture & Mining
  • Telecommunications
  • Consumer Goods
  • Software & Internet
  • Healthcare
  • Education
  • Transportation & Logistics
  • Manufacturing
  • Professional Services

More experts in Fortaleza, Brazil

Projects · 1

Context:

  • Application development from scratch and maintenance of existing applications

Activities:

  • Functionality and screen integrations with Backend REST APIs
  • Feature integration with Google Maps
  • Code refactoring and technical improvements to the architecture
  • Integration with camera and photo gallery
  • Implementation of responsive interfaces for mobile and tablet on Android and IOS
  • Integration of payment and subscription screens with PIX and Credit Card
  • Integration with webhooks
  • Version publications and deployment in the Apple Store and Play Store and distribution in the Firebase console
Flutter Developer
  • App Developer

Work experience· 4 roles

Software Engineer · SAT SoluçõesFeb 2026 – Present · 10 mos

Developed mobile and backend features for enterprise industrial platforms serving customers such as Arauco, VLI, and Rumo. Built mobile solutions for SAT Cronos, enabling real-time execution and tracking of maintenance and operational tasks in industrial environments. Contributed to a greenfield inventory and material reservation product, designing workflows and integrations with Firebase and Kafka-based event-driven services. Enhanced offline-first synchronization architecture, improving data reliability and user experience in environments with intermittent connectivity. Implemented critical business rules ensuring consistency, traceability, and integrity of logistics and inventory operations across distributed systems.

Mobile Developer · Polibras SoftwareSep 2025 – Feb 2026 · 6 mos

Improved product listing performance by 20% in a React Native sales application through component migration, memoization and retrieval-flow optimization. Optimized discount calculation workflows and application stability by adjusting Qt/C++ discount queries integrated with React Native. Developed and integrated Laravel/PHP APIs with mobile applications.

Mobile Developer · MegaleiosAug 2024 – Sep 2025 · 1 yr 2 mos

Built 5 Android and iOS applications from concept to production using Flutter, Dart, Firebase and native integrations. Eliminated Out-of-Memory crashes and improved app stability by implementing infinite scrolling, pagination and optimized loading for heavy dynamic listings. Integrated payment systems with Pix and credit card flows using Iugu and webhooks for real-time transaction updates. Developed authentication, dashboards, reporting, maps, filters, user management features and responsive interfaces for mobile and tablet.

Frontend and Mobile Engineer · Rav TecnologiaOct 2022 – Aug 2024 · 1 yr 11 mos

Education

Bachelor of Computer Engineering · Federal University of Ceara2020 – 2026

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