Senior Technical Account Manager: Payments & Integrations

Affirm, Inc.; Minneapolis (MN); Remote; USD 146,000 - 225,000; Full time

Benefits offered by this job

Health coverage and benefits

ESPP stock purchase plan

Flexible time off

Job summary

Affirm, Inc. is seeking a Senior Technical Account Manager (Senior TAM, L6) to own the operational health of technical accounts across the strategic alliance portfolio.

You will monitor, troubleshoot, and drive SLAs, while guiding cross-functional teams to optimize merchant integrations and pursue end-to-end account ownership. Expect to lead custom integration solutions, mentor teammates, and collaborate with product, engineering, and operations to shape merchant experiences and roadmap

Qualifications

• 6+ years in a technical, external-facing role such as Technical Account Management, Solutions/Partner Engineering, or Solutions Architecture—ideally within FinTech, payments, or SaaS.
• Operational Ownership: run alerting, monitoring, troubleshooting, and technical inquiries across a set of accounts, balancing reactive operational work with proactive initiatives.
• Ownership & Autonomy: independently scope and deliver complex, open-ended technical work, and to partner with stakeholders on launch initiatives, with strong project management and follow-through.
• API Expertise: deep understanding of RESTful APIs, webhooks, and the HTTP protocol, with hands-on experience using tools like Postman to debug and validate integrations.
• Architecture Fluency: experience in API integrations and the ability to design custom solutions on top of them to solve merchant challenges.
• Coding & Code Fluency: read and understand production-level code (HTML, JavaScript, SQL) and write queries to diagnose issues.
• Troubleshooting Acumen: diagnose issues using browser consoles, log analysis and observability platforms (Snowflake, Chronosphere), and Jira/Notion.
• Technical Communication: excellent verbal and written communication, tailoring explanations to non-technical leaders and technical teams.
• Relationship Management: develop relationships with technical decision-makers and drive cross-team collaboration.
• Leadership & Mentorship: mentor teammates, set best practices, and lead technical initiatives.

Responsibilities

• Own the operational aspect of technical account management to keep integrations healthy and issues resolved quickly.
• Deliver against SLAs and surface technical risks early, responding with urgency to issues.
• Perform investigations and root-cause analysis across logs and data, owning end-to-end resolution.
• Drive initiatives and partner with stakeholders on launches, expansions, and optimizations that grow account value.
• Design and deliver high-scope, customized integration solutions grounded in standard integrations.
• Act as technical lead for internal projects, defining milestones and driving the roadmap.
• Create and update playbooks, runbooks, alerting, and UAT plans to reduce KTLO work.
• Collaborate with Product and Engineering to prioritize projects and influence the roadmap.
• Mentor junior TAMs and contribute to team development.
• Over 6–12 months, grow into owning a dedicated book of strategic accounts.

Skills

Technical TAM

Payments SaaS

REST APIs

Postman

Jira

Notion

Root cause analysis

Tools

Snowflake

Chronosphere

Job description

Affirm, Inc. is seeking a Senior Technical Account Manager (Senior TAM, L6) to own the operational health of technical accounts across the strategic alliance portfolio.

You will monitor, troubleshoot, and drive SLAs, while guiding cross-functional teams to optimize merchant integrations and pursue end-to-end account ownership. Expect to lead custom integration solutions, mentor teammates, and collaborate with product, engineering, and operations to shape merchant experiences and roadmap