---
title: "keyur thumar - Lead mobile engineer - Android in Greater Bengaluru Area | Tal"
description: "Meet keyur thumar, Android Platform & SDK Engineer | Java, Kotlin, Jetpack Compose, Scalable Architecture, Unit Testing,SDK & app Security Expert | 14+ Years | Built CheqUpi | Ex-Wibmo, Infoblox, Mercedes-Benz | Open to Global Remote Roles based in Greater Bengaluru Area. AI stack includes claude,..."
image: "https://tal.club/meet/keyur-thumar/share-image"
---

# keyur thumar on Tal

## Headline

Android Platform & SDK Engineer \| Java, Kotlin, Jetpack Compose, Scalable Architecture, Unit Testing,SDK & app Security Expert \| 14\+ Years \| Built CheqUpi \| Ex\-Wibmo, Infoblox, Mercedes\-Benz \| Open to Global Remote Roles

## About

Lead Android Engineer with 14\+ years of experience building high\-scale fintech, OTT, and security platforms used by millions of users\. I specialize in SDK and platform engineering, focusing on building reusable systems, scalable architectures, and high\-performance mobile applications using Kotlin and Jetpack Compose\. My work includes designing payment and VPN SDKs, optimizing app performance \(reducing crashes by up to 40%\), improving startup time, and building secure, production\-grade systems\. I have led engineering teams, owned end\-to\-end architecture, and delivered systems powering high\-volume transactions and real\-time applications across global environments\. Core strengths: • SDK & Platform Engineering • Mobile Architecture & System Design • Performance Optimization & Reliability • Security & Networking \(VPN, Encryption\) • Fintech & Media Systems Always interested in building scalable systems and solving complex engineering problems\.

## Location

Greater Bengaluru Area

## AI stack

claude

codex

github copilot

mcp

claudecode

githubcopilot

## Work experience

Lead mobile engineer \- Android at CheqUPI \(YC S23\), Mar 2022 \- Present · 4 yrs 7 mos, Bengaluru, Karnataka, India, • Led Android and iOS development for CheqUPI, scaling to 1M\+ users with high transaction reliability • Architected modular system using Clean Architecture \+ Jetpack Compose, improving development velocity by \~30% • Reduced app crashes by \~25–40% through performance optimization, monitoring, and memory leak fixes • Improved app startup time by \~20–30% via lazy loading and optimization strategies • Designed & built scalable payment SDKs \(UPI, custom SDKs\) with clean APIs, modular architecture, and backward compatibility, handling 10K\+ daily transactions • Reduced APK size by \~15–25% through resource optimization and ProGuard tuning • Improved video buffering performance by \~20% using ExoPlayer tuning and ABR optimization • Built and customized ExoPlayer modules supporting DRM \(Widevine\) and adaptive bitrate streaming • Implemented CI/CD pipelines reducing release cycle time by \~40% • Wrote and maintained unit tests ensuring code reliability and reducing regression issues • Collaborated cross\-functionally with backend, product, and QA teams to deliver production\-grade features

Staff Software Developer \| Infoblox Inc\. \| Bangalore at Infoblox, Nov 2020 \- Mar 2022 · 1 yr 5 mos, Bengaluru, Karnataka, India, • Designed and developed VPN SDK using Android VPNService, enabling secure DNS over VPN for enterprise environments\. • Built a scalable mobile cloud service that efficiently handles encrypted DNS traffic with high reliability and low latency\. • Achieved over 1 million secure DNS requests processed through an optimized VPN tunnel and networking stack\. • Implemented unit testing strategies for networking and security modules to ensure stability and regression safety\. • Improved security and reliability of DNS queries via encryption, protocol optimization, and connection management

Lead Product Engineer \- Android at Wibmo, Jun 2018 \- Nov 2020 · 2 yrs 6 mos, Bengaluru, Karnataka, India, • Led the 3DS 2\.0 and Authentication Payment Gateway SDK team, driving secure, high\-performance SDK development for large\-scale financial applications\. • Served as the technical product owner, translating business and customer needs into clear technical direction while working closely with agile development teams\. • Collaborated with product, engineering, and global sales support teams to understand market demands and customer pain points, ensuring feature development aligned with business goals\. • Designed and implemented robust SDK and application security frameworks, including encryption, secure data handling, and compliance with industry standards \(PCI\-DSS, EMVCo\)\. • Oversaw comprehensive unit testing, automated testing, and quality assurance strategies to ensure reliability and security across all releases\. • Led cross\-functional teams and actively contributed to product design, architecture decisions, and roadmap planning\. • Played a key role in the PayZapp and Auth App product design and development, enhancing user authentication flows, improving security layers, and delivering a seamless payment experience\.

Senior Engineer at HARMAN International, Aug 2016 \- Jun 2018 · 1 yr 11 mos, Bengaluru, India, • Performed in\-depth analysis of mobile application development platforms and the Android SDK to define the best technical solutions for product development\. • Gathered requirements and managed the full SDLC using agile methodology, working closely with cross\-functional teams including product, design, and engineering\. • Led and collaborated with teams for effective product development and product management, ensuring alignment between business goals and technical execution\. • Developed Android applications using industry\-standard design patterns such as MVC, Observer, and Singleton to maintain clean and scalable architecture\. • Implemented advanced mapping and navigation features such as route guidance, geolocation tracking, and real\-time map interactions\. • Integrated head\-unit SDKs to enable seamless map and navigation experiences within automotive infotainment systems\. • Built and optimized hyper\-local EV charging station discovery modules, enabling users to locate nearby chargers, view availability, and navigate directly to them\. • Conducted memory profiling, performance analysis, and view hierarchy optimization to deliver high\-performance, efficient mobile applications\.

android developer at MEEM STUDIO PRIVATE LIMITED, Mar 2015 \- Jul 2016 · 1 yr 5 mos, Greater Bengaluru Area, • Led a team to build a scalable mobile application for a built\-in memory charging cable that enables users to back\-up and restore phone data while the device is charging\. • Developed the app using industry\-standard design patterns to ensure maintainability and high performance\. • Built custom, pixel\-perfect UI/UX optimized for all screen sizes and fully aligned with the design specifications\. • Ensured the application supported the latest Android APIs and adhered to modern Android development guidelines\. • Developed backend communication modules to enable seamless data transfer between the cable hardware and the mobile device\. • Maintained and optimized the system post\-launch to ensure reliability, stability, and long\-term performance\.

## Education

Bachelor's degree, Computer Engineering, GTU

science, Alpha high school

[View the original profile](https://tal.club/meet/keyur-thumar)

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