Senior Payment Systems Engineer - Hybrid, Scalable Payments

campingworld; Lincolnshire (IL); Hybrid; USD 111,000 - 170,000; Full time

Job summary

Camping World in Lincolnshire, IL is seeking a Payment Systems Engineer to design, build, and scale a modern payments platform across in-store POS, e-commerce, mobile, and other channels. This hands-on role partners with Product and Architecture to deliver secure, reliable payment solutions and to ship production-ready systems.

You will work with external providers, implement payment flows, and drive improvements in performance, observability, and incident response while collaborating across

Qualifications

• 5-10 years of software engineering experience.
• Strong proficiency in C# and .NET/.NET Core.
• Experience building and consuming RESTful APIs.
• 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.

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.

Skills

C# & .NET

RESTful APIs

Third-party integrations

Secure coding

SQL databases

Tools

Jira

Azure DevOps

Kafka

RabbitMQ

Azure Service Bus

Job description

Camping World in Lincolnshire, IL is seeking a Payment Systems Engineer to design, build, and scale a modern payments platform across in-store POS, e-commerce, mobile, and other channels. This hands-on role partners with Product and Architecture to deliver secure, reliable payment solutions and to ship production-ready systems.

You will work with external providers, implement payment flows, and drive improvements in performance, observability, and incident response while collaborating across