Jeffrey Tana

• Developed network and system architecture according to business needs.
• Collaborated with clients to determine project specifications and scope.
• Performed quality code review and removed technical debt and security vulnerabilities.
• Provided technical leadership to team members during system design.
• Delivered System designs and estimations from Proof of Concept to Production Deployment.
• Authored training materials to upskill developers(up to senior devs) for Mobile development using Xamarin and .Net MAUI.
• SME for Cross-platform mobile application development using Xamarin and .Net MAUI.
• SME for Azure Cloud Integration Services
• Trained Automation Architect using proprietary AI Tools

• Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
• Updated old code bases to modern development standards, improving functionality.
• Translated customer requirements into written use cases.
• Conducted data modeling, performance and integration testing.
• Created proofs of concept for innovative new solutions.
• Coordinated deployments of new software, feature updates and fixes.

• Coordinated with other engineers to evaluate and improve software and hardware interfaces.
• Developed robust, scalable, modular and API-centric infrastructures.
• Tested methodology with writing and execution of test plans, debugging and testing scripts and tools.
• Collaborated with management, internal and development partners regarding software application design status and project progress.

• Created software applications in test-driven development environment.
• Validates and deliver resolutions for Production issues.
• Used ASP.NET(C#) and SQL Server to develop new applications.

Responsible for customization and deployment of applications for the client's internal systems.