Technical Solutions Engineer (Payments)

Location: Remote

Company

hirify.global builds and operates infrastructure for instant, reliable money movement through the Polygon Open Money Stack, combining regulated fiat access, wallets, and onchain settlement for banks, fintechs, enterprises, and consumer applications.

What you will do

• Own the accuracy, completeness, clarity, and ongoing maintenance of API and integration documentation.
• Build quickstarts, sample code, reference architectures, sample applications, and demo environments that enable self-serve developer integrations and support Business Development and Sales.
• Serve as the primary technical resource during sales conversations and partner integrations, documenting reusable solutions.
• Lead signed partners from requirements intake and provisioning through sandbox testing, webhook configuration, and go-live validation in partnership with Integration Delivery.
• Develop expertise across payment ramps and bank rails, wallets and accounts, custodial and non-custodial flows, virtual accounts, deposit addresses, cross-chain movement, and webhooks.
• Identify API and integration experience gaps, recommend priorities to Product and Engineering, and use AI and internal tooling to streamline onboarding, provisioning, and frontline support.

Requirements

• Hands-on experience with US payments, including ACH, RTP, wire transfers, card networks, or equivalent rails, plus a working understanding of settlement and reconciliation.
• Experience leading customer API integrations from kickoff to production at a payments, fintech, or financial infrastructure company, or owning API documentation, SDKs, or developer support at an API-first payments company.
• Strong API and troubleshooting skills, including reading logs, debugging webhooks, and reasoning through authentication and retry behavior using tools such as Postman, Bruno, or Datadog.
• Excellent technical writing skills and the ability to document complex systems clearly for external developers.
• Regular use of AI tools to build, document, and automate work.
• Comfort working in a fast-moving environment where the platform and documentation are actively evolving.

Nice to have

• Experience with stablecoins or digital assets, particularly wallets and onchain settlement.
• Experience at an early-stage company and building processes or programs from the ground up.
• Enough coding ability to build demo applications.
• Experience with documentation platforms such as Mintlify.
• Familiarity with KYB and KYC tooling.

Culture & Benefits

• Remote role within a global blockchain payments company.
• Collaborate closely with Product, Engineering, Business Development, Sales, Account Management, Support, and Integration Delivery leadership.
• Set the standard for partner integration quality and developer experience in payments.
• Work on regulated fiat access, wallets, and onchain settlement infrastructure.