Senior Payment System Developer

4 days ago

Dublin, Dublin City, Ireland beBeePayment Full time €80,000 - €120,000
Backend Developer Position

We're seeking a highly skilled Backend Developer to join our team. As a key member of the development team, you will be responsible for designing, developing, and maintaining backend services for payment processing.

Your primary focus will be on building and maintaining APIs for internal and external use, ensuring compliance with PCI-DSS regulations, and implementing support for various payment methods.

You will collaborate closely with front-end engineers, DevOps, and product teams in an Agile environment to deliver high-quality results.

Main Responsibilities:
  • Design, develop, and maintain backend services for payment processing using TypeScript (Node.js).
  • Integrate with multiple payment gateways (e.g., Stripe, Adyen, PayPal, Worldpay).
  • Implement support for various payment methods, including card payments, digital wallets, bank transfers, and local payment options.
  • Ensure compliance with PCI-DSS and other relevant payment regulations.
  • Build and maintain APIs for internal and external use.
  • Optimise payment flows for performance, security, and user experience.
  • Implement error handling for failed transactions, refunds, chargebacks, and subscription billing.
  • Collaborate closely with front-end engineers, DevOps, and product teams in an Agile environment.
  • Write unit and integration tests for payment-related functionality.
Required Skills & Experience:
  • 5+ years backend development experience.
  • Strong TypeScript skills in a Node.js environment.
  • Hands-on experience integrating with payment gateways (at least two of: Stripe, Adyen, PayPal, Worldpay, Braintree, Authorize.Net).
  • Understanding of multiple payment methods — card payments, alternative payments, digital wallets, recurring billing.
  • Knowledge of PCI-DSS compliance, tokenisation, and secure transaction handling.
  • Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
  • Familiarity with RESTful APIs and asynchronous programming patterns.
  • Proficient with version control (Git) and CI/CD workflows.
Nice to Have:
  • Experience with NestJS or similar TypeScript backend frameworks.
  • Exposure to cloud platforms (AWS, GCP, or Azure).
  • Knowledge of fraud detection systems or payment analytics.
  • Experience with GraphQL.

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