Han W.

Experience

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  ViviScout

  Fractional

  Nov 2025 - Present

  ViviScout provides real-time access to arterial health data through a non-invasive wearable device, enabling continuous monitoring of hemodynamic parameters.

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  HW Tech Consulting LLC

  Founder

  Jul 2025 - Present

  • Fractional CTO & engineering leadership services for early stage VC-backed startups
  • Tech due diligence & post-close integration for PE firms and strategic acquirers
  • Tech consulting for SMBs to increase efficiency, grow revenue, and solve businesses challenges
  • https://hwconsulting.tech/
• 

  More Good Days

  Advisor

  Sep 2022 - Present

  Digitally delivered programs grounded in the latest advancements in neuroscience and psychology for chronic pain.

• Google

  Sr. Engineering Manager

  Mar 2022 - Dec 2024

  At Google, solving complex problems and creating opportunities with technology is at the heart of everything they do, aiming to improve lives globally.

  • Partnered with AI research, data science, technical writing, data engineering, and other Search teams to build and launch the Search AI Overview feature, demonstrating leadership in cross-disciplinary collaboration.
  • Owned multiple high-profile Search teams with search traffic constituting up to 4% of all Google Search, showcasing significant impact on core services.
  • Developed growth strategies and a three-year roadmap with cross-functional stakeholders, illustrating strategic planning and forward-thinking.
  • Led the launches of several key Search features by collaborating with up to six cross-organizational and cross-functional teams, contributing to a growth of Search up to 0.015%.
• 

  Sonder Inc.

  Director of Engineering

  Jul 2021 - Mar 2022

  Inspiring, award-winning design meets modern, mobile-first service. Welcome to the future of hospitality.

  • Created and grew strong cross-functional partnerships, leading an engineering org that supported significant growth in two major business domains at Sonder.
  • Drove company-wide adoption of a software procurement process SOP, endorsed by senior leadership.
  • Executed a tech strategy that integrated booking, operational task management, and supply chain systems into a seamless platform, achieving 22% operational efficiency and cost savings.
  • Successfully championed a low-code development model, reducing product development costs by 78% and delivery times by 75%.
• 

  Sonder Inc.

  Sr. Engineering Manager

  Jun 2019 - Jul 2021

  • Drove the engineering initiative to shift the architecture from a monolith to microservices to sustain the product's growth and scale.
  • Raised engineering output by an average of 20% across all teams by revamping development processes and elevating team leaders.
  • Rebuilt the engineering career rubric for the entire organization, resulting in clearer expectations and processes.
  • Mentored and sponsored the growth and promotion of high-performing team members to tech leads and engineering managers.
• 

  NachoNacho

  Advisor

  Aug 2018 - Jan 2023

  NachoNacho is a B2B SaaS & AI + Services Marketplace powered by fintech, offering businesses massive discounts on major SaaS products and a streamlined way to manage subscriptions.

• 

  Granular

  Director of Engineering - AcreValue

  Oct 2017 - Nov 2018

  Granular is a software and analytics platform improving farming efficiency, yields, and profits with a commitment to managing environmental impact. It's part of Corteva Agriscience, a leader in applying Silicon Valley tech to agriculture.

  • Led and drove the growth of the ML-based farmland valuation product by 10x in one year.
  • Closely collaborated with data science, product, and QA to re-architect and rebuild the data pipeline on AWS, reducing new data processing time from 2 weeks to 1 day.
  • Grew the engineering team by 5X and built out a QA team of 3.
• 

  Storefront

  CTO

  Nov 2015 - Oct 2017

  Storefront is a technology platform that makes retail accessible to anyone in the world, offering over 10,000 retail space listings worldwide.

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  Soldsie

  Director of Engineering

  Dec 2014 - Nov 2015

  Soldsie is the world’s first social shopping service, helping retailers increase their profits through sales on Facebook and Instagram, managing everything from inventory to payment processing.

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  CircleUp

  Engineering Manager

  Jun 2014 - Nov 2014

  CircleUp uses data and machine learning technology to empower entrepreneurs with funding and support, facilitating investments for 500+ brands with its platform, Helio.

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  DemandStreet

  Co-founder and CTO

  Nov 2012 - Jun 2014

  DemandStreet’s social media marketing platform helps small businesses generate leads, drive referrals, and publish engaging social content for industries like healthcare and beauty.

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  MyVest

  Senior Software Developer / Technical Team Lead

  Aug 2010 - Oct 2012

  MyVest provides strategic and technological investment management solutions for the financial services industry.

• Structural

  Senior Software Developer

  Jan 2009 - Aug 2010

  Structural is a company.

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  Barclays Global Investors

  Fixed Income Design and Development Engineer

  Aug 2005 - Dec 2008

  BlackRock is a leading investment management corporation, providing asset management, risk management, and advisory services globally.

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  Citrix Systems UK Ltd.

  Intern Software Engineer

  Jul 2002 - Sep 2002

  Bitly enhances link management with customizable and trackable short links, QR codes, and landing page solutions.