Backend Engineer, Payments — Buenos Aires (On-site 2x/wk)

SQUIRE; Buenos Aires; Presencial; ARS 1.200.000 - 2.400.000; Jornada completa

Descripción de la vacante

SQUIRE is seeking a Senior Backend Engineer to build and maintain payment systems and fintech infrastructure for our platform. This role sits in the Payments Team and requires deep expertise in payment processing.

The position is part of the Platform Community with governance by the Engineering Manager. You will design reliable payment flows, work closely with product and other engineers, and participate in recruiting activities for platform development.

Formación

• Seven+ years of application development experience using Node.js.
• Proven payments/fintech domain experience with production payment systems.
• Strong understanding of payment processing lifecycle (authorization, capture, refund, void, chargebacks).
• Experience with reconciliation between internal systems and external providers.
• Familiarity with financial ledgers and double-entry bookkeeping.

Responsabilidades

• Build and maintain high-quality payment features and financial infrastructure using Node.js.
• Design and maintain payment processing flows, reconciliation processes, financial ledger systems, and idempotent payment operations.
• Collaborate with product and engineering teams to integrate payment systems with the platform.
• Participate in code reviews and provide constructive feedback.
• Contribute to interview panels for platform development hiring.
• Contribute to Platform Community and influence hiring/tech policies.
• Work with Engineering Manager following established guidelines and direction.
• Troubleshoot and resolve payment-system defects and issues.

Conocimientos

Node.js experience

Payments domain

Payment lifecycle knowledge

Reconciliation processes

Ledgers & double-entry

Idempotent operations

Architecture patterns

Communication & collaboration

English proficiency

Educación

Bachelor’s degree in Computer Science

Herramientas

Stripe APIs

Descripción del empleo

SQUIRE is seeking a Senior Backend Engineer to build and maintain payment systems and fintech infrastructure for our platform. This role sits in the Payments Team and requires deep expertise in payment processing.

The position is part of the Platform Community with governance by the Engineering Manager. You will design reliable payment flows, work closely with product and other engineers, and participate in recruiting activities for platform development.