Haim Gabay

Tech lead for a new enterprise React Native mobile application for a major Israeli bank. Leads a core team and coordinates additional engineers as needed, drives architectural decisions and engineering standards, performs code reviews, mentors developers, and designs scalable application infrastructure. Integrates internal libraries and enterprise banking services. Implements secure financial app functionality and efficient server-state management using TanStack Query (React Query) alongside Redux Toolkit. Builds native Android/iOS integrations including deep links, push notifications, and Firebase Cloud Messaging (FCM). Collaborates cross-functionally with Product, UX/UI, QA, DevOps, Infrastructure, and Information Security teams. Uses AI-assisted development tools (Claude, Gemini, Codex) while maintaining full engineering ownership over code quality, maintainability, and performance.

Led development of a new enterprise React Native mobile application for one of Israel's largest banks. Provided technical leadership for a core team of four developers while coordinating additional engineers from other teams. Drove architecture and mobile engineering standards, performed code reviews, and mentored developers. Designed application infrastructure and integrated internal libraries and enterprise services. Built secure enterprise financial solutions integrated with internal banking systems. Implemented server-state management using TanStack Query alongside Redux Toolkit. Integrated native Android/iOS components including deep links and push notifications via Firebase Cloud Messaging (FCM). Worked closely with Product, UX/UI, QA, DevOps, Infrastructure, and Information Security teams. Used AI tools (Claude, Gemini, Codex) to accelerate development while maintaining full engineering ownership over code quality, maintainability, performance, and scalability.

Developed and maintained the company’s customer-facing mobile application. Played a significant role in building a new React Native application, delivering complex features while supporting and maintaining existing production systems. Collaborated with Product, UX/UI, QA, and DevOps teams across the full software development lifecycle. Integrated backend services, Firebase capabilities, and native Android/iOS components. Worked in Agile environments using Git, Azure DevOps, and Figma.