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Ahmed Shakir

@ahmedshakir

I build secure Android, banking, and payment platforms at scale.

At Tidypay, I architect and lead delivery of a PCI DSS-compliant Android payment platform for certified SoftPOS/MPoC contactless transactions, with zero critical production security incidents after release and 30%+ fewer production defects.

I've delivered banking, healthcare, government, and enterprise platforms at Handelsbanken, Doro, IKEA IT, CGI, and Supernova Technology—modernizing Java and Spring Boot services, Kotlin Android applications, and distributed systems while mentoring engineers and guiding architecture decisions.

Experience

Work history, roles, and key accomplishments

Current

Lead Android Software Engineer

Current

Tidypay

Feb 2026 - Present (7 months)

Architected and led delivery of a PCI DSS-compliant Android payment platform supporting certified SoftPOS/MPoC contactless transactions. Established engineering quality standards, reducing production defects by over 30%.

Kotlin Java Android Gradle Git SQLite ROOM Cryptography JWT CI CD Android Studio Jira PCI DSS

Current

Lead Software Engineer

Current

Supernova Technology AB

Oct 2019 - Present (6 years 11 months)

• Led architecture and delivery of enterprise software solutions.
• Provided technical leadership and architectural governance.
• Delivered consulting engagements covering architecture reviews etc.
• Developed reusable engineering frameworks.
• Actively integrated Claude into development workflows for code review, technical documentation, and architecture/design exploration.

Java Spring Boot Kotlin Jetpack Compose Kotlin Multiplatform Kotlin Flow Kotlin Native Compose Multiplatform Ktor Android Room Android SDK Android Studio Android

Senior Software Engineer

Handelsbanken

Jan 2022 - Mar 2026 (4 years 2 months)

• Delivered customer-centric banking features that contributed to 30%+ growth in active mobile banking users.
• Modernized Android application architecture using Kotlin & Jetpack Compose, significantly improving application
usability & customer experience.
• Shaped architectural decisions as a member of the bank's Design Forum (Architecture Council), evaluating & approving feature implementations.

Java Spring Boot Kotlin Jetpack Compose