Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a dedicated iOS engineer with experience building scalable, production-grade mobile features at SAP Concur. I enjoy turning complex user flows into reliable, polished experiences using Swift, UIKit, MVVM, and Combine. Over the last 1.5+ years, I’ve focused on end-to-end feature development, analytics instrumentation, and modular architectures to improve reliability, performance, and maintainability in enterprise apps.…I am a dedicated iOS engineer with experience building scalable, production-grade mobile features at SAP Concur. I enjoy turning complex user flows into reliable, polished experiences using Swift, UIKit, MVVM, and Combine. Over the last 1.5+ years, I’ve focused on end-to-end feature development, analytics instrumentation, and modular architectures to improve reliability, performance, and maintainability in enterprise apps.

Mohammad Adnan Khan

App Developer, Web Developer, Front-End Developer, +1





I am a dedicated iOS engineer with experience building scalable, production-grade mobile features at SAP Concur. I enjoy turning complex user flows into reliable, polished experiences using Swift, UIKit, MVVM, and Combine. Over the last 1.5+ years, I’ve focused on end-to-end feature development, analytics instrumentation, and modular architectures to improve reliability, performance, and maintainability in enterprise apps.…I am a dedicated iOS engineer with experience building scalable, production-grade mobile features at SAP Concur. I enjoy turning complex user flows into reliable, polished experiences using Swift, UIKit, MVVM, and Combine. Over the last 1.5+ years, I’ve focused on end-to-end feature development, analytics instrumentation, and modular architectures to improve reliability, performance, and maintainability in enterprise apps.

Available to hire

I am a dedicated iOS engineer with experience building scalable, production-grade mobile features at SAP Concur. I enjoy turning complex user flows into reliable, polished experiences using Swift, UIKit, MVVM, and Combine.

Over the last 1.5+ years, I’ve focused on end-to-end feature development, analytics instrumentation, and modular architectures to improve reliability, performance, and maintainability in enterprise apps.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

iOS Engineer at SAP Concur

September 1, 2024 - Present

Built and enhanced iOS features in enterprise apps using Swift and UIKit, improving stability and user experience of request flows. Implemented MVVM with Combine to manage state and asynchronous data streams, reducing view-controller complexity and improving testability. Developed request creation workflows with robust validation and error handling, leading to more reliable submissions. Integrated Adobe Analytics SDK for screen and event tracking; standardized event schemas for consistent analytics across flows. Implemented async/await–based networking with resilient error handling and offline/online state awareness, improving reliability under poor connectivity. Refactored legacy code into modular components (networking, UI, analytics), improving maintainability and reuse across features. Diagnosed and fixed production issues; optimized performance and reduced UI glitches through targeted refactors. Collaborated with backend teams to align API contracts and data models, ensuring con

Automation Engineer (ABAP CDS) at SAP — Intelligence Team

January 1, 2024 - September 1, 2024

Automated ABAP CDS view processes, reducing manual effort and improving consistency of data pipelines. Contributed to retriever/data-processing tasks for AI-related workflows; improved data handling and pipeline reliability. Gained practical exposure to applied AI concepts within enterprise systems.

SAP CAP Developer at SAP — CAP Team India

June 1, 2023 - December 1, 2023

Owned and delivered OData V4 services using SAP CAP; implemented business logic with Node.js and SQL. Designed and optimized API endpoints for reliability and maintainability in enterprise scenarios. Containerized services with Docker for consistent local and deployment environments.

UI/UX Engineer at SAP — EEP Resource Management

September 1, 2022 - May 1, 2023

Resolved UI defects and improved usability across key screens. Executed data migrations (schema changes with new columns) without disrupting existing functionality. Refactored UI logic (decimal → integer handling) without backend changes, ensuring data consistency. Contributed to Node.js tasks for minor backend enhancements.