As a Middle Full-Stack Engineer (.NET) on the Pluto team within Finance - Payments, you will help build, maintain, and improve business-critical payment systems that support the full payment lifecycle. This role is ideal for a backend-leaning full stack engineer who enjoys solving complex technical problems while developing a deeper understanding of business logic and payment flows
You’ll work on integrations with payment processors and third-party systems, support ongoing improvements to payment infrastructure, and help ensure our systems remain secure, reliable, and high quality. This is a strong opportunity for an engineer who is eager to grow long-term, expand domain expertise in payments, and contribute to systems that directly impact core business operations
Design, develop, maintain, and improve backend-focused payment solutions using C# and .NET
Integrate new payment processors and third-party systems to support evolving business needs
Contribute to payment-related flows across the lifecycle, including transactions, refunds, chargebacks, and related service interactions
Support ongoing refactoring and improvement of payment infrastructure to increase quality, resiliency, and maintainability
Write and maintain automated tests, including unit tests and, where applicable, integration tests
Work with complex SQL queries and data flows in a high-load environment where quality and performance matter
Help keep systems secure and aligned with PCI compliance requirements
Collaborate with teammates to understand business needs and translate them into reliable technical solutions
Use AI-assisted development tools to support engineering productivity and delivery
Participate in code reviews and contribute to strong engineering standards across the team