Sameer K.

• 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.

• 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 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.

• 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.

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

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 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.