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Crossmint

Full stack Engineer - Payments

NEW
Madrid, Spain, remote within Spain possibleFull-timeGlobal
šŸ“Š MidšŸ  Hybrid
RemoteRemote work position availableActivePosted within the last 30 days

Job Description

[AI-summarized by JobStash]

You will design and build payment infrastructure including processor integrations, transaction pipelines, settlement and reconciliation workflows. You will own critical financial flows end to end, implement retry and failure recovery logic, and ensure data integrity across providers and chains. You will contribute to APIs and dashboards, write design docs, participate in paid on-call rotations, manage incidents, and help onboard and mentor newer engineers.

Requirements

  • ā—4+ years building and maintaining production backend systems
  • ā—Experience with payment or transaction critical infrastructure or financial data
  • ā—Strong proficiency in TypeScript or JavaScript or another typed modern language
  • ā—Solid understanding of distributed systems fundamentals including idempotency, consistency, failure handling, and async workflows
  • ā—Fluent in English
  • ā—Hands-on integration experience with Stripe Adyen or similar payment processors
  • ā—Exposure to stablecoin infrastructure crypto payments wallets or cross-chain systems
  • ā—Experience operating financial systems in regulated environments

Responsibilities

  • ā—Design and build payment infrastructure
  • ā—Integrate payment processors and implement transaction pipelines
  • ā—Implement settlement and reconciliation workflows
  • ā—Own critical financial flows end to end including retry logic and failure recovery
  • ā—Ensure data integrity across providers and chains and maintain audit trails
  • ā—Contribute to APIs and dashboards used by clients
  • ā—Write design documentation and review peer proposals
  • ā—Participate in on-call rotations and manage incidents
  • ā—Onboard and mentor newer engineers

Benefits & Perks

  • ā—Extensive access to leading AI tools and subscriptions
  • ā—Stock options program
  • ā—Two performance reviews annually
  • ā—Unlimited paid time off
  • ā—Company laptop plus annual home office and productivity stipend
  • ā—Daily stipend for in-office meals or commuting
  • ā—Three company paid off-sites each year
  • ā—Health and dental insurance fully covered
  • ā—Flexible retribution with tax benefits through Cobee

Tech Stack

reconciliationdistributed systemAPIorchestrationdistributed systemssettlementAsync workflowscross-chainJavaScriptstablecoin
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