Senior Technical Account Manager - BNPL Payments (Remote)

Block; Sydney Township (ND); On-site; USD 125,000 - 167,000; Full time

Benefits offered by this job

Remote work where applicable

Medical insurance

Flexible time off

Retirement savings plans

Job summary

Block is seeking a Senior Technical Account Manager to support Afterpay and Cash App merchants across Australia. You will act as a trusted technical partner at the intersection of product, engineering, and merchant success, enabling merchants to fully leverage Afterpay and Cash App Pay capabilities.

The role is hands-on and requires HTML, CSS, and JavaScript to analyze and solve integration issues on merchant websites and in-store terminals, while driving feature adoption at scale and delivering

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, identifying expansion opportunities and driving commercial outcomes.
• Solid understanding of payments infrastructure, APIs, integrations, and e-commerce platforms; ability to explain technical concepts to technical and non-technical audiences.
• Proficiency in JavaScript, HTML, and CSS; comfortable debugging integration issues across platforms.
• SQL and ability to leverage it for data analysis and troubleshooting.
• Experience with monitoring tools for proactive issue detection and portfolio health oversight.
• Familiarity with platform management processes: environments, testing, release management, 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.

Responsibilities

• Identify and act on post-sales growth opportunities within your merchant portfolio; partner with Account Management to grow GPV and feature adoption.
• Provide education to merchants, partners, and internal teams on Cash App Pay and Afterpay features; 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.
• Lead integration health monitoring; conduct health checks using KPIs, perform root-cause analysis, and promote standardization across merchant implementations.
• Maintain comprehensive integration documentation following established templates.
• Participate in on-call incident response rotation with SLA adherence; contribute to incident management and RCA delivery.

Skills

Account management

Customer success

Client-facing

Payments infrastructure

APIs

JavaScript

HTML

CSS

SQL

Technical communication

Tools

Datadog

Sumo Logic

JavaScript

HTML

CSS

SQL

Job description

Block is seeking a Senior Technical Account Manager to support Afterpay and Cash App merchants across Australia. You will act as a trusted technical partner at the intersection of product, engineering, and merchant success, enabling merchants to fully leverage Afterpay and Cash App Pay capabilities.

The role is hands-on and requires HTML, CSS, and JavaScript to analyze and solve integration issues on merchant websites and in-store terminals, while driving feature adoption at scale and delivering