Staff Mobile Engineer at Ajaib, an Indonesian fintech unicorn, to architect and scale high-performance mobile applications for stock trading, crypto, and banking platforms. You will drive the mobile engineering roadmap, establish architectural standards, optimize performance, and mentor senior engineers across the mobile discipline. Requires 7+ years of software development experience with 5+ years in advanced native or cross-platform mobile architecture, deep expertise in performance tuning, security, and asynchronous programming.
Key Highlights
Highest level of technical authority and individual contribution in the mobile organization
Architect high-performance, low-latency mobile client applications serving millions of users
Fully remote work arrangement with team spanning Eastern Europe, Middle East, India, and Southeast Asia
Mentor senior engineers and lead technical reviews across the mobile discipline
Drive mobile infrastructure design, modularization frameworks, and core SDK libraries
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Key Responsibilities
Architect, design, and scale high-performance, low-latency mobile client applications for high-frequency trading and fintech platforms
Drive the mobile engineering roadmap, establishing architectural patterns, modularization frameworks, and core SDK libraries
Optimize app rendering performance, minimize memory footprint, reduce APK/IPA size, and control battery/network consumption under intensive loads
Design offline-first data synchronization, secure local storage encryption, and resilient network caching mechanisms
Collaborate closely with backend architects, product leaders, and security teams to enforce end-to-end data safety and compliance
Mentor senior engineers, lead technical reviews, and champion elite mobile engineering execution and craftsmanship
Utilize AI tools critically with a human-in-the-loop framework to accelerate delivery without compromising code security or architecture integrity
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