Payment Systems Engineer

Camping World Holdings, Inc.•Chicago, IL

1d•$111,100 - $170,300•Hybrid

About The Position

We’re building a modern, scalable enterprise payments platform to support seamless transactions across in-store POS, e-commerce, mobile, kiosk, and call center channels. As a Payment Systems Engineer, you’ll play a key role in designing, building, and scaling payment capabilities. You’ll work closely with Product, Architecture, and other engineers to deliver reliable, secure, and high-performing payment solutions. This is a hands-on role for someone who enjoys solving real-world problems, working with external payment providers, and shipping production-ready systems.

Requirements

5–10 years of software engineering experience
Strong proficiency in C# and .NET/.NET Core
Experience building and consuming RESTful APIs
Hands-on experience integrating with third-party systems or APIs
Familiarity with payment systems or financial transactions
Understanding of secure coding practices and data protection
Experience with relational databases (SQL Server, PostgreSQL, etc.)
Strong problem-solving skills and ability to debug production issues
Effective communication skills and ability to work in a collaborative environment

Nice To Haves

Experience with payment gateways, processors, or POS systems
Familiarity with payment concepts such as EMV, tokenization, 3DS, and PCI-DSS
Experience with event-driven systems or messaging platforms (Kafka, RabbitMQ, Azure Service Bus)
Exposure to cloud platforms (Azure, AWS, or GCP)
Experience with digital wallets and mobile payments
Familiarity with alternative payment methods (ACH, BNPL, real-time payments)
Experience working in Agile/Scrum environments (Jira, Azure DevOps, etc.)

Responsibilities

Design, build, and maintain payment services and APIs using C# and .NET/.NET Core
Integrate with payment processors, gateways, acquiring banks, and third-party providers
Support integrations with digital wallets (Apple Pay, Google Pay, Samsung Pay) and alternative payment methods
Contribute to building a payment abstraction layer that simplifies multi-provider integrations
Implement payment flows including authorization, capture, settlement, refunds, and chargebacks
Develop and enhance capabilities such as payment routing, retry logic, and failover handling
Support card-present and card-not-present payment flows (POS, e-commerce, mobile)
Work on mPOS, in-app payments, hosted payment pages, and Text-to-Pay solutions
Implement and maintain integrations using REST APIs, webhooks, and other payment protocols
Monitor and troubleshoot payment transactions and production issues
Improve system performance, scalability, and transaction success rates
Participate in incident response and root cause analysis, implementing fixes and improvements
Contribute to observability through logging, metrics, and alerting
Partner with Product and Architecture teams to translate requirements into technical solutions
Participate in sprint planning, backlog grooming, and code reviews
Write clean, maintainable, and well-tested code
Continuously improve development practices, tooling, and processes