Senior Payment Systems Engineer – APIs & PCI, Hybrid

Camping World; Chicago (IL); Hybrid; USD 111,000 - 170,000; Full time

Benefits offered by this job

Paid Time Off

401(k)

Employee Assistance Program

Good Sam Roadside Assistance

Discounts

Tuition Reimbursement

Job summary

Camping World in Lincolnshire, IL (Hybrid) is seeking a Payment Systems Engineer to design, build, and scale an enterprise payments platform across in-store, e-commerce, and mobile channels. You will work closely with Product, Architecture, and engineering teams to deliver reliable, secure payment solutions.

This hands-on role focuses on integrating with payment providers, implementing payment flows, and ensuring high performance and security in production systems.

Qualifications

• 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

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 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
• 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# proficiency

RESTful APIs

Secure coding

Payment systems knowledge

Relational databases

Problem solving

Communication skills

Experience debugging production issues

Tools

Kafka

RabbitMQ

Azure Service Bus

Job description

Camping World in Lincolnshire, IL (Hybrid) is seeking a Payment Systems Engineer to design, build, and scale an enterprise payments platform across in-store, e-commerce, and mobile channels. You will work closely with Product, Architecture, and engineering teams to deliver reliable, secure payment solutions.

This hands-on role focuses on integrating with payment providers, implementing payment flows, and ensuring high performance and security in production systems.