Senior Software Developer

We are looking for an experienced Senior Software Developer to help build a centralized payment platform for our enterprise‑level client.Current payment solutions have been created separately for different marketplaces, and the goal is to replace them with a customized payment gateway solution. The new platform will serve as a centralized integration layer toward banks and payment service providers, enabling modern, reliable payment methods and a consistent omnichannel customer experience.
 
Your roleAs a Senior Software Developer, you will focus on implementation, integrations, and producing high‑quality code. You will work hands‑on with core payment technologies and contribute to the platform’s development direction.

What we expect from you
  • Strong experience with payment environments, payment methods, or payment services
  • Background in payment service integrations
  • Experience with banking interfaces, payment service providers, or payment gateway solutions
  • Understanding of security, reliability, and scalability in payment flows
  • Ability to work independently and collaborate with various stakeholders
  • Locations: Helsinki, Remote
  • Technologies: Integrations