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Transmit Security gives businesses the modern tools they need to build secure, trusted and end-to-end digital identity journeys to innovate and grow. CX-focused, cybersecurity conscious leaders rely on Transmit Security’s xCIAM platform to provide their customers with smooth experiences protected from fraud across all channels and devices. Transmit Security serves many of the world’s largest banks, insurers, retailers, and other leading brands, collectively responsible for more than $1.3 trillion in annual commerce. For more information, please visit www.transmitsecurity.com . About the Role: Transmit Security is a top player in its game and is heading for an exciting year. We are looking for a Senior Mobile SDK Engineer with deep expertise in mobile platforms and OS internals to join our growing Mobile group. In this role, you will play a key part in building innovative, high-performance SDKs that will run on millions of devices worldwide. If you are passionate about low-level mobile engineering, security, and building robust developer tools, we want to hear from you! What you’ll do: Develop efficient, resilient, and secure SDKs that integrate deeply with mobile operating systems and are deployed on millions of devices. Research and explore mobile OS internals , including system services, security mechanisms, and data collection points across both Android and iOS. Stay up-to-date with the latest platform changes , OS versions, and security enhancements. Collaborate closely with security researchers and backend engineers to design and implement advanced security solutions. Work in a team developing developer-centric products , enabling seamless integration into clients’ apps across industries such as banking, What you’ll need: At least 6 years of hands-on experience in Android or iOS development (both platforms – an advantage). Strong experience developing mobile SDKs , preferably used by third-party developers and large-scale organizations. Profound understanding of mobile operating systems, including: Application lifecycle management Resource management and performance optimization Deep familiarity with OS internals (memory, threading, security models) A strong sense of ownership , independence , and problem-solving skills ; you get things done. Excellent communication and interpersonal skills . Advantages: Experience developing security solutions for mobile platforms (RASP, root/jailbreak detection, anti-tampering, etc.). Deep understanding of trusted hardware components (TEE, Secure Enclave, KeyStore). Bachelor’s degree in Computer Science , Software Engineering , or equivalent field. Experience with cross-platform mobile development , such as React Native , Flutter , or Kotlin Multiplatform . Familiarity with performance profiling and debugging tools (e.g., Instruments, Perfetto, Systrace). #LI-TL1 #LI-Hybrid
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.