Jan 2022 – Jan 2023 · 1 yr · San Francisco Bay Area

• Hands-on CTO at Center Pixel (center.dev & center.app)
• Organize and index every NFT on 15+ chain (Ethereum-based + Solana)
• Engineering stack: Go, GraphQL, gRPC, Redis, Postgres, Python, Typescript, and ReactJS
• Deployment stack: Docker, GitHub Actions, Google Cloud, and Kubernetes.
• Built and deployed NFT indexers to index 15 major blockchains including Ethereum, Polygon, and Solana
• Built and deployed Center's API backend https://api.center.dev. Its usage is documented at https://docs.center.dev
• Built and deployed Center's GraphQL backend that powers https://center.app
• Led a small team of a senior backend engineer, a frontend engineer, and an engineering intern
• Demo here: https://docs.center.dev/

Mar 2019 – Present · 7 yrs 2 mos · San Francisco Bay Area

• Active roles
• 1. Outdefine – Decentralized platform for finding engineering talent
• 2. Woddle Baby - AI-powered smart baby change pad
• 3. Hood – pseudonymous social network
• 4. Stylework – Tech startup that aggregates coworking spaces across India
• Past roles
• 1. Joveo – programmatic job advertisement platform
• 2. Replai – video highlight generator
• 3. Delightree – Tech backend for physical businesses like restaurants and retail chains
• 4. Elucidate – Financial crime rating, risk, and compliance
• 5. Upview - growth and monetization for video creators

Apr 2014 – Present · 12 yrs 1 mo · San Francisco Bay Area

• Invested in several startups of which Cirrosecure, Authy, Minjar, MakeLeaps, Strikedeck, Verbling, and IntelliVision have been acquired
• More info: https://angel.co/ashishb

Jan 2018 – Jan 2019 · 1 yr · San Francisco Bay Area

• I worked on various parts of the stack ranging from the core blockchain (a fork of go-etherum), Typescript-based SDK, and the mobile app.
• Mobile
• Build an infura-like web3-signing based setup for the low connectivity conditions
• Create a React native library to use Android Keystore to store private key encryption password securely https://github.com/celo-org/react-native-confirm-device-credentials
• Implement custom setup for properly catching Golang crashes
• Implement monitoring of running node and workarounds to prevent chain data corruption
• from pausing the sync
• Implement error logging and reporting for customer support
• Blockchain (Ethereum-based)
• Build an IBFT-compatible ultralight sync mode for running the Ethereum node on Android
• Add ability to pay gas fees in non-native currencies like Celo Dollar
• Backend Infrastructure
• Build "celotool," an all-encompassing tool for fast deployment of Celo's Etherum-based testnet on Google Cloud
• Build Docker images for internal production deployments as well as for the external users
• Operations
• Add end-to-end tests to perform the testing of the full-stack to reduce bugs at the interface
• Implement custom multi-repository tests on Circle CI for end-to-end testing
• Add incremental testing to speed up the testing of PRs in a mono-repository setup
• Deploy mergify and then bulldozer for auto merging PRs

Jan 2014 – Jan 2018 · 4 yrs · San Francisco Bay Area

• Build Android for emerging markets.
• 1. WhatsApp Android app - Designed and integrated Google Drive backup of user content which is being used by 40% of all users. My work was presented at Google I/O 2016.
• 2. WhatsApp Android app - Built an on-device SQLite repair mechanism to recover user messages which has a success rate of 99%.
• 3. Messenger Lite (100M+ installs) - Developed several Android infrastructure components including disk-based network caching layer, crash reporting, push service integration, and performance logging.
• 4. FBLearner - Implemented FBLearner's Machine Learning API on Android to fetch &train Machine learning models and perform offline as well as online predictions.
• 5. Instagram Lite - worked on the first version of Instagram Lite. Emerging markets-focused Android app launched in Mexico.

Jan 2013 – Jan 2014 · 1 yr · San Francisco Bay Area

• Part of the 10 members team acquired by Palo Alto Networks. Morta Security was a startup that developed a new paradigm to counter advanced network threats.
• Created a stable, reliable, and high-performance network-based APT infection detection system, capable of finding Zeus, ZeroAccess, et. al.
• Developed a server-side platform for automation of monitoring, updating, and secure log extraction of client's logs and log analysis looking for malware signals

Aug 2010 – Sep 2010 · 1 mo · Mumbai Area, India

• Worked as a software engineer on MOSTFIT, a micro finance information management tool.
• Designed and developed Business Rules Engine (frontend + backend). Backend implementation was done in Ruby. Frontend was developed in Javascript(using jQuery framework)
• MOSTFIT is open source project available at http://mostfit.in/

Jan 2010 – May 2010 · 4 mos · Kanpur Area, India

Aug 2009 – Nov 2009 · 3 mos · Kanpur Area, India

• Assisted course instructor in overhauling the course by introducing SPICE and Verilog
• Prepared and gave lectures on SPICE and Verilog to batch of 90 students.

May 2009 – Jun 2009 · 1 mo

• Designed syllabus for first ACA summer course on C++ and Web Programming in a organization team of ten instructors (I was one of the two non-Computer Science majors).
• Taught 12 lectures on C++ in the course.
• I used blackboard for almost all lectures, the slides were made only for two lectures.

May 2009 – Jun 2009 · 1 mo

• Revitalized EE Summer Camp (in a team of 12 students) which was held after a gap of 2 years
• Taught Computer Networks, Digital Design and Verilog in the same.

Jan 2010 – Jan 2013 · 3 yrs · San Francisco Bay Area

• Worked on the Google Safe Browsing team on various aspects of computer security.
• Founding engineer on the Android app scanning product, called Google Bouncer for Google Play.
• Built a virtualized environment for executing Android apps - security-hardened, feature-rich environment for running apps on Google's cloud infrastructure - part of "Google Bouncer" [http://googlemobile.blogspot.com/2012/02/android-and-security.html]
• Working closely with the incident response team working on malicious apps reported in Google Play and implementing regressions for preventing them from happening in the future. This involved reverse engineering of Android apps.
• Machine Learning for detecting malicious and spammy apps
• Making Safe browsing malware list generation faster
• Since the distribution domains are now being rotated at a much faster pace than earlier.
• "The median lifespan of malware-distributing domains decreased from one month in 2007 to a mere two hours by 2010." [http://googleonlinesecurity.blogspot.com/2011/08/four-years-of-web-malware.html]
• A couple of security code audits of Android libraries (owned by Google) before they were released publicly.

May 2008 – Jul 2008 · 2 mos · San Francisco Bay Area

• Worked on Memory testing algorithm in assembly to test DIMM. Project open-sourced and available at http://code.google.com/p/stressapptest/

Dec 2007 – Dec 2007 · 0 mo · Noida Area, India

May 2007 – Jul 2007 · 2 mos · Noida Area, India

• Design and implemented Quality-of-service features in in-house [network] router platform being developed.