--- title: "Rohan Singh - Technical Consultant in Mumbai | Tal" description: "Meet Rohan Singh, Building in Private, Veteran Software Engineer skilled in SaaS and AI solutions. Ex PW, BatterySmart, Bobble AI. based in Mumbai. AI stack includes antigravity, claude code, and codex. Explore public work links including github." image: "https://tal.club/meet/rohan-singh-3/share-image" --- # Rohan Singh on Tal ## Headline Building in Private, Veteran Software Engineer skilled in SaaS and AI solutions\. Ex PW, BatterySmart, Bobble AI\. ## About Graduated with a B\.Tech in Computer Science from Maharishi Markandeshwar University, Mullana, and recently served as a Senior Android Developer at Battery Smart\. Contributed to the development of a robust swap flow processing system handling over 9\.8M swaps, integrated payment gateways, and implemented a Smart Balance recharge system\. Enhanced app security with Face Authentication features and improved crash\-free rates from 97\.84% to 99\.98%, significantly boosting app stability and user satisfaction\. Experienced in Software as a Service \(SaaS\), Artificial Intelligence \(AI\), and face detection technologies, with a strong focus on user experience and scalable architecture\. Passionate about creating impactful, high\-performance Android applications and collaborating with cross\-functional teams to drive innovation\. Dedicated to delivering reliable and maintainable solutions that align with business objectives\. ## Location Mumbai ## AI stack antigravity claude code codex cursor gemini claudecode ## Work experience Technical Consultant at Confidential, Feb 2026 \- Present · 7 mo, Gurugram, Haryana, India, Lead a team of 5 engineers building a pharma production optimization and auditing platform end to end for Pandalogs\. • Built the Admin module for managing client organizational structures at pharma companies, consolidating an onboarding process previously split across multiple applications into a single screen covering employee records, login and logout tracking, audit trails and recent change history\. • Rewrote the Pandalogs web platform end to end; translate client requirements into product roadmap, architecture decisions and delivery plans\. • Built a native student registration feature on Kotlin Multiplatform for MIXR, replacing a WebView implementation with a shared native flow across Android and iOS\. • Rewrote the error\-handling and migration layer, improving WebView performance by 20%\. • Applied AI\-assisted development tooling \(Claude Code, Cursor, Antigravity, Codex\) across both engagements to accelerate migration work, expand test coverage and support code review\. Senior Android Developer SDE 2 at Battery Smart, Jul 2024 \- Feb 2026 · 1 yr 8 mos, Gurugram, Haryana, India, • Architected a new swap flow processing system handling over 9\.8M swaps, integrating payment gateways and building a Smart Balance recharge system\. • Implemented Face Authentication across three apps, enhancing security and user experience in swap and purchase flows\. • Improved crash\-free rates from 97\.84% to 99\.98%, significantly enhancing app stability and user satisfaction\. Senior Software Engineer at PW \(PhysicsWallah\), Feb 2023 \- Feb 2024 · 1 yr 1 mo, Noida, Uttar Pradesh, India, • Owned and delivered multiple features end\-to\-end, leading to a notable improvement in Play Store ratings and a \~90% reduction in operational support tickets\. • Designed and implemented a Jetpack Compose–based media platform wrapper over the existing ExoPlayer framework for the Kids module, enabling the launch of exclusive, interactive kids\-only batches\. • Worked closely with tech leads to optimize app build times and APK size, improving overall developer productivity by \~50%\. • Collaborated across product, design, and QA teams to ensure high\-quality releases, scalability, and maintainable architecture Sr Android Developer at Bobble AI, Mar 2022 \- Nov 2022 · 9 mos, Gurugram, Haryana, India, • Designed and delivered high\-impact user features for Bobble Indic, a multilingual keyboard application with 10M\+ users, focusing on usability and regional language experiences\. • Implemented a smart suggestion bar within the Bobble AI Keyboard, significantly improving stability and achieving a 99\.3% crash\-free user rate\. • Optimised keyboard performance and interaction flows to support low\-latency text input across a wide range of Android devices\. • Collaborated with product, design, and QA teams to ship scalable, high\-quality features while maintaining performance at scale\. Tech Consultant at Yobis International Private Limited, Dec 2019 \- Feb 2022 · 2 yrs 3 mos, Mumbai, Maharashtra, India, • Collaborated with cross\-functional teams to build and enhance a lighting products catalog and ordering application, enabling product customization based on client requirements\. • Implemented digital ordering workflows that drove a \~20% increase in revenue compared to offline sales channels\. • Developed a portfolio and showcase website for internal teams to present solutions and manage engagements across multiple clients\. • Contributed to scaling order management systems and supporting infrastructure decisions to handle growing business demand\. • Acted as a liaison between business stakeholders and technical teams, ensuring scalable, reliable, and client\-aligned solutions\. ## Education Bachelor of Technology\(Btech\) Computer Science, Maharishi Markandeshwar \(Deemed to be University\) Official High School Science, Valia College of Science ## Public links - github: https://github\.com/zaraki596 [View the original profile](https://tal.club/meet/rohan-singh-3) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Person", "@id": "https://tal.club/meet/rohan-singh-3#person", "name": "Rohan Singh", "url": "https://tal.club/meet/rohan-singh-3", "image": "https://tal.club/meet/rohan-singh-3/profile-photo.jpg", "description": "Meet Rohan Singh, Building in Private, Veteran Software Engineer skilled in SaaS and AI solutions. 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