Senior Technical Account Manager - Cash App Pay & Afterpay

Block; United States; Remote; USD 142,000 - 195,000; Full time

Benefits offered by this job

Remote work

Medical insurance

Flexible time off

Retirement savings plans

Job summary

Block, Inc. is seeking a Senior Technical Account Manager to support Cash App Pay and Afterpay merchants across North America.

You’ll be the trusted technical partner at the intersection of product, engineering, and merchant success. This hands-on role uses HTML, CSS, and JavaScript to analyze integrations and drive adoption at scale, translating merchant needs into technical solutions that deliver measurable commercial outcomes.

Qualifications

• Senior-level experience in account management, customer success, or a client-facing technical role within payments, fintech, or e-commerce.
• Hands-on technical experience in Solutions Engineering, Partner Engineering, Technical Consulting, or software development.
• Experience managing and growing enterprise accounts, including identifying expansion opportunities and driving commercial outcomes.
• Solid understanding of payments infrastructure, APIs, integrations, and e-commerce platforms.
• Proficiency in JavaScript, HTML, and CSS; comfortable debugging integration issues across platforms.
• SQL for data analysis and troubleshooting.
• Experience with monitoring tools (Datadog, Sumo Logic) for proactive issue detection.
• Familiarity with environments, testing, release management, and deployments.
• Strong commercial acumen and ability to balance client advocacy with company objectives.
• Experience engaging with C-suite and VP-level stakeholders, translating technical insights into business recommendations.
• Strong written and verbal communication skills.
• Hands-on experience with AI tools in a professional context.
• Direct experience with BNPL or merchant acquiring is a plus.
• Background in incident management is a plus.

Responsibilities

• Identify and act on post-sales growth opportunities within your merchant portfolio, partnering with Account Management to grow GPV and feature adoption.
• Provide education to merchants, partners, and internal teams on Cash App Pay and Afterpay features, and deliver quarterly technical reviews.
• Partner with Solutions Engineering to ensure seamless pre-sales to post-sales handoffs and collaborate on expansion opportunities.
• Work cross-functionally with Account Management, Sales, Solutions Engineering, Product, and Engineering to provide technical and operational solutions.
• Partner with Product and Engineering to represent the merchant voice and frame feature requests with commercial impact.
• Proactively manage new product life cycles in conjunction with Product and Engineering teams.
• Lead integration health monitoring with KPIs, root-cause analysis, and standardization across implementations.
• Leverage HTML, CSS, and JavaScript to assess and solve integration issues on merchant websites and in-store terminals.
• Maintain comprehensive integration documentation following templates.
• Participate in merchant health reporting, portfolio reviews, and KPI-based performance measurement.
• Document challenges and blockers for learnings in stand-ups and status calls.
• Participate in on-call incident rotation with SLA adherence and RCA delivery.

Skills

Account management

Customer success

Technical role

Payments

Fintech

Ecommerce

JavaScript

HTML

CSS

Tools

Datadog

Sumo Logic

Job description

Block, Inc. is seeking a Senior Technical Account Manager to support Cash App Pay and Afterpay merchants across North America.

You’ll be the trusted technical partner at the intersection of product, engineering, and merchant success. This hands-on role uses HTML, CSS, and JavaScript to analyze integrations and drive adoption at scale, translating merchant needs into technical solutions that deliver measurable commercial outcomes.