Rafael Stoner Email & Phone Number

Cidade De Maputo, Mozambique

Cidade De Maputo, Mozambique

• Develop and maintain a variety of internal banking applications used in branches and by back-office teams, including the bank's statement system.
• Work as a full-stack engineer, handling all aspects of the development process, from backend programming and database design to UI/UX development and frontend implementation.
• Utilize Microsoft technologies such as.NET Framework,.NET Core, C#, and Visual Basic for application development, with SQL Server as the database.
• Responsible for application maintenance, including troubleshooting and resolving reported bugs and issues to ensure smooth operation of banking systems.
• Manage deployment processes using Azure DevOps to streamline continuous integration and delivery.

Maputo, Mozambique

• Recruited as Lead Software Engineer at Niteki, a software development company that evolved from the Niteki rideshare application, based on my successful previous contributions.
• Led and mentored a team of developers and interns, providing guidance on collaborative development practices, version control (Git), and Agile methodologies, specifically Scrum, which I introduced to the team.
• Continued working on the Niteki rideshare application, focusing on feature enhancements and maintaining the app across platforms.
• Managed various software development projects, including web applications for clients, ensuring high-quality delivery by overseeing project timelines and providing technical leadership.
• Conducted technical interviews to recruit software developers, ensuring the team was composed of skilled individuals aligned with company goals.
• Guided the development of an Mpesa mobile wallet integration for Shopify stores, addressing the need for local payment methods in Mozambique’s e-commerce market.

Maputo, Moçambique

• Worked as an outsourced engineer for multiple banks, including Moza Banco and Socremo, focusing on system integration, core banking, and data migration projects.Moza Banco
• Contributed to the development of a Real-Time Gross Settlement (RTGS) system, mandated by the Central Bank of Mozambique, ensuring compliance with national financial regulations.
• Developed interfaces for "Banka," the core AS400 banking system, using RPG programming language and DB2 as the database.
• Collaborated on middleware development using Java to create XML files for stress testing, identifying system improvements and performance optimizations.Socremo
• Led the data migration project, extracting and transforming data from the legacy "Banka" core system to the new "T24" system, ensuring accurate and secure data transfer.
• Collaborated closely with international teams, including the T24 team (based in India) and project managers from other countries, using Scrum methodology to ensure timely project delivery.

Maputo, Moçambique

• Worked on "Niteki," a rideshare application aimed at reducing traffic and bus stop congestion in Maputo by connecting users for ride-sharing based on their proximity to workplaces, schools, and homes.
• Contributed to the development of the iOS version using Flutter and Firebase. The Android version was already available in the Google Play Store, but the iOS version faced rejection due to non-compliance with Apple.
• Refined the iOS version to meet Apple’s standards, leading to its successful acceptance and launch on the Apple Store, expanding the company’s target audience.
• Identified usability issues based on user feedback regarding difficulties in booking rides.
• Collected data and designed new UI/UX interfaces using Adobe XD, resulting in improved user experience and satisfaction.
• Conducted usability testing, achieving a System Usability Scale (SUS) score of 95%.