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Senior Golang Backend Developer - Billing Systems

AghanimLisbon
On-site Full-time

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Experience Level

Senior

Qualifications

Required Qualifications5+ years of extensive commercial experience in Golang backend development, with a solid grasp of Go concurrency and internals. Practical experience with billing or payment systems, including at least one of the following:Integration with payment providers/gateways (e.g., Adyen, Stripe, Checkout.com, etc.)Experience in subscription billing and lifecycle managementFamiliarity with transaction workflows and financial APIs

About the job

Aghanim is looking for a Senior Golang Backend Developer to help build and refine backend services that power billing and payment processing systems. This position is based in Lisbon.

What You’ll Do

  • Design and develop backend services focused on billing and payment flows
  • Work with Go (Golang) as the primary backend language
  • Integrate with a range of external payment providers and financial APIs
  • Build and maintain systems that manage transactions, retries, reconciliation, and provider communications
  • Implement and optimize billing logic and payment processing pipelines
  • Emphasize reliability, accuracy, and observability in all financial operations
  • Write maintainable, well-tested production code
  • Monitor and troubleshoot payment and transaction workflows

About the Role

  • Develop scalable backend services using Golang
  • Integrate seamlessly with multiple payment providers
  • Ensure financial operations are reliable and accurate
  • Handle transaction processing, including error handling and reconciliation

Location

This role is based in Lisbon.

About Aghanim

Aghanim is a forward-thinking company dedicated to delivering innovative solutions in the billing and payment processing sector. We value expertise, collaboration, and a commitment to excellence.

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