Dener Conceição De Oliveira Email & Phone Number

• Developed apps from scratch, managing the full development lifecycle for both iOS and Android platforms using Flutter as a hybrid solution.
• Implemented CI/CD pipelines, reducing deployment times and ensuring fast iteration cycles.
• Adopted Agile/Scrum methodologies, improving team productivity and collaboration.
• Improved app performance by reducing page load times by up to 80%, enhancing the overall user experience.
• Created Unit Tests and Mock data objects using Mockito, achieving 95% code coverage and reducing bug occurrences by 25% during development.
• Integrated Firebase Analytics, which resulted in a 40% increase in user engagement by providing deeper insights into user behavior and enabling data-driven decision-making.

São Paulo, Brazil

• Working on an eCommerce app for both iOS and Android platforms using Flutter as a hybrid solution.
• Incorporated Push Notification feature using OneSignal, resulting in a 45% increase in user engagement and retention.
• Transformed the codebase into a white-label solution, enabling multiple clients to leverage the same core architecture with minimal customization, leading to a 50% reduction in development time for future projects.
• Managed scalable architecture transitions, optimizing resource usage and reducing operational costs.
• Implemented a customization system via Firebase Remote Config, allowing clients to autonomously customize their apps in real time, reducing dependency on development teams and enhancing client satisfaction.
• Created a Windows version of the app, enabling clients to personalize the app's theme and schedule/send notifications directly to users without needing to access OneSignal, streamlining communication.

Espírito Santo, Brasil

Hello, I'm Dener Oliveira, and my mission is to bring impactful digital solutions to life! With experience in software development, I specialize in the Flutter framework (Dart), crafting mobile applications that combine performance and usability.My expertise includes testing and quality assurance, ensuring that every project delivered is reliable and meets.

• During this period, I worked as a freelancer and successfully delivered a variety of projects, including:
• Created websites using WordPress and integrated e-commerce functionalities with WooCommerce to enhance online sales and user experience.
• Implemented Apple Pay integration to streamline the payment process and offer a seamless checkout experience for customers.
• Developed new features and resolved bugs in PHP-based systems, improving overall performance and stability.
• Designed and built interactive dashboards using Power BI to provide clients with insightful data visualization and reporting capabilities.This experience allowed me to strengthen my skills in web development.

• ERP System Implementation: Successfully led end-to-end implementation and deployment of ERP systems, coordinating with stakeholders to ensure seamless integration, high user adoption rates, and alignment with business.

• PHP Development: Developed and maintained dynamic web applications using PHP, resulting in optimized performance and improved user satisfaction. Leveraged best practices to ensure clean, maintainable, and scalable code.

Espírito Santo, Brasil

• Windows Server Maintenance: Conducted regular maintenance, updates, and troubleshooting of Windows servers, ensuring optimal performance, security, and minimal downtime.
• Linux Server Maintenance: Managed and maintained Linux servers, ensuring system stability, security, and performance through regular updates and proactive monitoring.
• MSSQL Database Management: Oversaw the management, maintenance, and optimization of MSSQL databases, ensuring data integrity, availability, and efficient operation.
• Computer Maintenance: Performed hardware and software maintenance on computers, ensuring optimal functionality and performance.

Espírito Santo, Brasil