Jun 2015 – Nov 2017 · 2 yrs 5 mos · Palo Alto · On-site

• ➤ Mobile architecture lead for TigerConnect, a HIPAA-compliant real-time communication platform used by healthcare organizations. Spearheaded the development of the TigerConnect Android SDK and mobile app—enabling secure messaging, scheduling, and alerting across hospitals and care teams.
• ➤ Contributed directly to the company's operational, clinical, and business growth, including a $50M Series C raise.
• ➤ Architected a modular, extensible Android SDK delivering core features like encrypted messaging, collaboration, scheduling, and patient engagement.
• ➤ Enhanced core transport layer for mobile real-time communications—achieving 50% reduction in messaging latency, 18% improvement in delivery success in low-network environments, 9% battery efficiency improvement.
• ➤ Implemented HIPAA-compliant features including role-based access control, immutable audit trails, message recall, and remote wipe.
• ➤ Built secure key management and encrypted local storage using Cipher SQL and Android Keystore.
• ➤ Optimized SDK for use in low-connectivity environments (e.g., hospital basements) and during intermittent Wi-Fi/cellular handoffs.
• ➤ Led technical collaboration with backend, DevOps, QA, and client success teams to ensure stable SDK integration across hospital systems and mobile devices.
• ➤ Mentored engineers, conducted architecture reviews, set team-wide engineering standards and workflows.
• ➤ Contributed to 70% improvement in surgical start times and 50% reduction in readmissions.

Jan 2015 – Nov 2017 · 2 yrs 10 mos · California, United States · Remote

• ➤ Engineering Leader at Vyng, a mobile innovation company reimagining the phone call experience. Led the architecture, product, and engineering of the Vyng Dialer—a video ringtone and spam-blocking dialer app with 17M+ downloads globally, culminating in a successful acquisition by DigitalReef.
• ➤ Grew engineering team from 3 contractors to a global org of 30+ across the US, India, Russia, and Canada.
• ➤ Architected Vyng Dialer and SDK from the ground up, delivering, Visual Caller ID with video ringtones based on caller identity, Spam Call Blocking using a hybrid whitelist model and delta-based database updates, Caller Intent Messaging and Auto Reply for enhanced call UX.
• ➤ Led development of a lightweight dialer SDK enabling OEM partnerships and deep integration across Android devices.
• ➤ Ensured data protection using encrypted local storage and privacy-first design of call and contact data.
• ➤ Contributed in acquiring 12 Patented innovations in smart dialers, visual ringtones, metadata-driven UX, and mobile content delivery.
• ➤ Helped Vyng raise $5M in funding and scale to 5B+ lock screen impressions.
• ➤ Successfully transitioned to a B2B model with Vyng SDK and enabled monetization via brand-customized ringtones (e.g., Zomato call videos).

Jul 2013 – Jun 2015 · 1 yr 11 mos · Delhi, India · Remote

• ➤ Cofounded PurpleberryLabs with purpose of providing technical expertise to startups focusing specially in Mobile based Products. Ended up creating 2 homebred products FudgeByte(Enterprise) and Socialdoor (Consumer).
• ➤ FudgeByte: A tablet based smart food ordering system where a diner can order food from tablet and get dining points on their order. System included 2 android apps with a central server.
• Product Images : https://tinyurl.com/2krmrjb5
• ➤ Socialdoor: A geo location based social network/QnA platform which connects nearby people. A person gets information about Local stuff, Events, People, Businesses & Services based on their GPS coordinates.
• ➤ Lead the complete technology team and architected, developed complete platform.
• ➤ Lead complete product initiative from feature planning to product implementation to release management.

Jan 2012 – Jun 2014 · 2 yrs 5 mos · Gurugram, Haryana, India · On-site

• ➤ Founding engineer and technical leader at Hike Messenger, India’s pioneering messaging platform designed for low-bandwidth, low-spec Android devices. Played a key role in scaling the product from inception to 35M+ users within 2 years, positioning it as India’s leading alternative to WhatsApp.
• ➤ Designed and built Hike’s MQTT-based real-time messaging engine, tailored for India’s 2G network infrastructure, enabling fast, reliable delivery even on low bandwidth.
• ➤ Implemented hybrid offline messaging system that intelligently switched to SMS fallback when internet was unavailable.
• ➤ Tuned memory usage, startup time, and background sync behavior to meet stringent performance benchmarks across 100s of Android variants.
• ➤ Led development of key features that distinguished Hike from global competitors. 100MB file sharing (ahead of WhatsApp at the time), 20,000+ localized stickers in 40+ Indian languages.
• ➤ Built and open-sourced the MQTT Android client(https://github.com/techrobby/Android-AsyncMqttModule) used by the app, which later served as a reference implementation for other teams in the region.
• ➤ Mentored 25+ engineers across mobile and backend teams; established coding standards, architecture guidelines, and CI workflows.

Jan 2011 – Dec 2011 · 11 mos · Greater Delhi Area · On-site

• ➤ Worked on JAVA based web services like Number validation(NV) service and Data Profiling tools.
• ➤ Developed memory efficient smart cache that can store properties of upto 10 billion numbers.

Jul 2010 – Dec 2010 · 5 mos · Greater Hyderabad Area · On-site

• ➤ Worked on web services that provides fast and efficient registration workflow to about 2 million external sellers on Amazon.com website. Work involved development of Front-end and Backend Service that helps different Tier sellers to register according to their Tier group.
• ➤ Developed one click registration workflow for sellers worldwide.

Feb 2009 – Apr 2010 · 1 yr 2 mos · Noida, Uttar Pradesh, India · On-site

• ➤ Worked on “Certification based licensing using method of Code Signing and encryption” to enhance Security of Adobe Products.
• ➤ Worked on a Adobe's licensing and security project for creative suits.

Jun 2008 – Jan 2009 · 7 mos · New Delhi, Delhi, India · On-site

• ➤ Developed Security Master, product of IVP that is used by hedge funds and Investment Banks in order to dynamically maintain and create securities such as options, swaps, futures etc and to track their position at certain time.