Senior Solutions Engineer

Block Block · Fintech · CA · Remote · 20230 S&M - Sales - Commerce Operations

Senior Solutions Engineer at Block (Cash App) focused on driving complex partner and merchant integrations for financial products. This role involves understanding customer needs, showcasing APIs, solving technical problems, and collaborating with sales, product, and engineering teams to accelerate adoption and influence the roadmap. Requires strong technical expertise in APIs, debugging, and full-stack development.

What you'd actually do

  1. Partner with Sales & Account Management to support sellers integrating with our platform, and co-sell Cash App Afterpay's Developer Platform.
  2. Design and deliver technical solutions, including building proof-of-concepts, custom reports, sample integrations, and troubleshooting complex issues.
  3. Be a trusted technical advisor - translating business requirements into scalable integration approaches and advocating for best practices.
  4. Collaborate with product and engineering teams to surface partner feedback and influence the roadmap.
  5. Create compelling demos, presentations, and technical deep dives for both executives and engineering.

Skills

Required

  • 5+ years of experience in technical customer-facing roles (partner engineering, solutions architecture, sales engineering, or similar)
  • Deep hands-on technical expertise - comfortable building with APIs, debugging integrations, and guiding developers through complex implementations.
  • Prior professional experience with full-stack development and proficiency in at least one programming language.
  • Experience leading technical projects end-to-end in globally distributed, multicultural teams.
  • Willingness to travel for onsite client meetings (10-20%)