Android & iOS SDK Engineer

TheCodingShef; Delhi; On-site; INR 900,000 - 1,500,000; Full time

Job summary

TheCodingShef in Delhi, India is seeking an Android & iOS SDK Engineer to build and extend our native mobile SDKs for banking and fintech apps. You will help translate device, SIM and behavioral signals into evidence for account takeover prevention and secure onboarding.

Day-to-day, you implement integrity checks, develop telemetry, extend SIM binding signals, and ship SDK releases with documentation. You will collaborate with backend and identity teams, test across devices, and ensure

Qualifications

• Strong Android development in Kotlin/Java or iOS development in Swift.
• Understand app lifecycle, permissions, background limits, threading and networking.
• Sound programming fundamentals, Git and interest in mobile security and reverse engineering.
• Freshers should demonstrate native mobile work through projects, internships or published apps.

Responsibilities

• Build and extend native mobile SDKs for banking and fintech apps.
• Implement device and app integrity checks for rooted/jailbroken devices and emulators.
• Develop privacy-conscious telemetry and capture interaction patterns without passwords.
• Test across devices and OS versions and ship versioned SDK releases with docs.
• Define event schemas, batching and retry behaviour with backend engineers.

Skills

Android Kotlin/Java

iOS Swift

App lifecycle

Networking

Git

Mobile security

Tools

Play Integrity/App Attest

CameraX/AVFoundation

Job description

# Android & iOS SDK EngineerTalent Corner Hr ServicesDelhiOn-siteMid-levelPosted yesterdayApply on employer siteYou apply on the employer's own page. Never pay to apply for a job.## About the roleKotlinJava\\*The role\\*\\*Build and extend our native mobile SDKs for banking and fintech apps. Help turn device, SIM and\\*\\*behavioural signals into useful evidence for account takeover prevention, session trust and secure\\*\\*face/liveness onboarding.\\*\\*Day-to-day work\\*\\*- Implement device and app integrity checks for rooted/jailbroken phones, emulators and tampering; add\\*\\*remote-access and screen-sharing indicators where the OS permits, with clear limitations. Validate\\*\\*findings against legitimate devices to reduce noisy risk indicators.\\*\\*- Build privacy-conscious telemetry for touch, typing cadence and navigation within the host app; capture\\*\\*interaction patterns without collecting passwords or typed content. Define event schemas, batching and\\*\\*retry behaviour with backend engineers.\\*\\*- Extend supported SIM binding and SIM-change signals; integrate platform attestation and secure request\\*\\*signing so backend teams can assess suspicious sessions.\\*\\*- Build reliable face/liveness and document capture flows with the identity team, adding injection-aware\\*\\*integration checks and handling permissions, camera errors and network failures. Keep capture and\\*\\*verification callbacks straightforward for client developers.\\*\\*- Test across devices and OS versions, measure size, latency and battery impact, debug client integrations,\\*\\*and ship versioned SDK releases with sample apps and documentation.\\*\\*What you bring\\*\\*- Strong Android development in Kotlin/Java OR iOS development in Swift.\\*\\*- Understand app lifecycle, permissions, background limits, threading and networking.\\*\\*- Sound programming fundamentals, Git and interest in mobile security and reverse engineering.\\*\\*- Freshers should demonstrate native mobile work through projects, internships or published apps.\\*\\*- Proficiency with agentic AI coding tools, with the ability to review, test and take ownership of generated\\*\\*code.\\*\\*Good to have\\*\\*Experience with both platforms, Play Integrity/App Attest, CameraX/AVFoundation, SDK publishing, or\\*\\*React Native/Flutter bridges.\\*