Backend engineer in payments and open banking

VEOLET

Greater London

Presencial

GBP 120.000 - 180.000

Jornada completa

Hace 4 días
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Descripción de la vacante

VEOLET ищет опытного бэкенд-инженера для лидирования разработки VEOLET Pay. Вы будете работать напрямую с основателем и банковскими партнёрами над архитектурой, реализацией и эксплуатацией платежной инфраструктуры.

Требуется опыт ведения платежных интеграций, знание TypeScript, Node.js, SQL и PostgreSQL, а также умение работать с внешними командами и обеспечивать безопасность API. Работа в атмосфере стартапа с акцентом на надёжность и масштабируемость.

Formación

  • Проживание в Лондоне обязательно
  • Опыт разработки бэкенд-сервисов в продакшене
  • Умение работать с TypeScript, Node.js, SQL и PostgreSQL
  • Опыт платежных интеграций, связанных с банковскими переводами
  • Опыт разработки безопасных API, веб-хуков и повторной попытки

Responsabilidades

  • Владение интеграцией платежной системы от архитектуры до продакшн-операций.
  • Рассмотрение документации партнёров и определение архитектуры интеграции.
  • Реализация инициации платежей, аутентификации и подписания запросов.
  • Разработка обработки безопасных вебхуков и учёта жизненного цикла платежей.
  • Обеспечение идемпотентности, устранения дубликатов и надёжной повторной отправки.
  • Интеграция функций расчетов комиссии, бухгалтерских записей и сверки.
  • Обработка задержанных выплат, ошибок выплат и исключений.
  • Поставка тестов, мониторинга, оповещений, аудита и процедур восстановления.

Conocimientos

Backend services
TypeScript
Node.js
SQL
PostgreSQL
API security
Webhooks
Idempotency
Concurrency control
Open banking

Herramientas

PostgreSQL

Descripción del empleo

Описание

VEOLET is a digital platform for the independent adult companionship industry, bringing discovery, business tools and payment technology into one infrastructure. We are hiring a hands-on senior backend engineer to lead the implementation and ongoing development of VEOLET Pay, working directly with the founder and our banking partners’ technical teams.


Задачи

You will own the payment integration from technical discovery and architecture through sandbox testing, production launch and ongoing operation. Review partner API documentation and define the integration architecture. Implement payment initiation, authentication and request signing. Build secure webhook processing and payment lifecycle tracking. Implement idempotency, event deduplication and safe retry handling. Integrate settlement-account and payout functionality. Build commission accounting, ledger entries and reconciliation. Handle delayed payments, uncertain outcomes, failed payouts and transaction exceptions. Deliver automated tests, monitoring, alerts, audit trails and recovery procedures. Connect payment status to the platform interface and support production readiness. Maintain and develop the payment infrastructure after launch.


Требования

Applicants must currently reside in London to be considered for this position. Strong experience building and operating production backend services. Proficiency in TypeScript, Node.js, SQL and PostgreSQL. Demonstrable delivery of payment integrations involving open banking, bank transfers, settlement or payouts. Understanding of asynchronous workflows, database transactions and concurrency control. Practical experience with API security, signed webhooks, idempotency and reconciliation. Ability to take ownership, communicate clearly and collaborate with external technical teams. Comfortable working with a platform serving the independent adult companionship industry.


Будет плюсом


  • UK Pay by Bank and Faster Payments

  • Marketplace payments and commission allocation

  • Double-entry ledgers and beneficiary verification

  • Cloud deployment, CI/CD and production incident response


Условия

Full-time role focused on building, launching and developing VEOLET’s payment infrastructure. Salary and working arrangements will be discussed during the interview process.

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