Sameer K.

Experience

• 

  Cash App

  Head of Engineering, Families

  Dec 2021 - Present

  • Leading engineering for Cash App Families, one of Cash App’s newest and fastest-growing products. I lead three cross-functional teams (server, mobile, and ML) delivering new experiences that help families manage money with trust and clarity.
  • Scaled the team from 6 to 20+ engineers while increasing launch velocity 4× through org design, technical leadership, and platform investments.
  • Led development of AI/ML-powered risk and identity systems, enabling safe and compliant financial access for teen users.
  • Launched shared services and standardized development environments that saved 1,000+ engineer-hours in 6 months and were adopted across 20+ teams.
• 

  Amazon Web Services (AWS)

  Engineering Leader, AWS Identity

  Oct 2020 - Nov 2021

  • Led two teams within AWS Identity to deliver foundational improvements to IAM services used by nearly every AWS customer.
  • Shipped company-wide security and performance upgrades, accelerating adoption of new IAM policies across S3, EC2, and Lambda.
  • Improved authorization latency to achieve strategic platform goals and helped scale systems running on over 1 million hosts.
• 

  Fieldwire by Hilti

  VP of Engineering

  Mar 2018 - Sep 2020

  Fieldwire is a construction software company enhancing project management and field collaboration.

  • Led a 30-person engineering team in developing Fieldwire's core product, enhancing its application in global construction projects.
  • Facilitated the engineering growth and maturity of the platform, leading to its acquisition by Hilti for $300M.
  • Aligned product development with go-to-market strategies, increasing operational efficiency and market reach.
• 

  Fieldwire by Hilti

  Director Of Engineering

  Jan 2017 - Mar 2018

  • Advanced the company's platform readiness from seed-stage to Series C, fostering extensive scalability.
  • Boosted engineering team's velocity by 50% via promoting a culture of ownership, automation, and continuous delivery.
• 

  Fieldwire by Hilti

  Lead Software Engineer

  Oct 2013 - Jan 2017

  • Engineered the foundational jobsite platform and APIs that drove early user engagement and established product-market fit.
• 

  Thoughtworks

  Senior Software Engineer

  Jun 2011 - Sep 2013

  Thoughtworks is a global technology consultancy focusing on design, engineering, and AI integration.

  • Launched a global retail platform six months ahead of schedule, significantly reducing development costs.
  • Engineered cross-platform mobile and backend systems managing high-volume transactions in the billions.
• 

  PulsePoint

  Software Engineer

  Jul 2008 - Jun 2011

  PulsePoint enhances healthcare marketing through data-driven technology solutions.

  • Scaled backend infrastructure to support over 500 million daily requests and process 2TB of data, enhancing system robustness.
  • Acknowledged as Employee of the Quarter for exceptional technical leadership and impactful customer support.