Find & Apply For Software Developer / Engineer Jobs in Lincolnshire, Illinois

Job Description We're building a modern, scalable payments platform to support transactions across POS, e-commerce, mobile, kiosk, and call center channels. An existing engineer is focusing on dealership payments. You'll join as the platform moves out of initial build and into deployments, bug fixes, and day-to-day operations, then into new feature work as it grows. The mix is about 30% maintenance and feature development and 70% greenfield. You'll work with Product, Architecture, and multiple business units, and use AI coding tools such as Claude Code in day-to-day development.

Location:

Lincolnshire, IL (hybrid, 2-3 days on-site, flexible) Key Responsibilities Design, build, and maintain payment services and APIs using C# and .

NET / .NET

Core Work hands-on with credit card flows, payment processing, and gateways Support deployments, production fixes, and day-to-day payment operations Build new retail payment features as the platform expands Partner with Product, Architecture, and business units to turn requirements into technical solutions Participate in sprint planning, code reviews, and Agile delivery Monitor production systems, troubleshoot issues, and support incident response Write clean, maintainable, well-tested code, using AI coding tools such as Claude Code where they speed up the work pay rate: $65-80/hour Skills and Requirements 5+ years of software engineering experience Strong proficiency in C# and .

NET / .NET

Core Working knowledge of credit cards, payment processing, and gateways Ability to explain how a payment moves from authorization through settlement Experience building and consuming RESTful APIs Experience with relational databases (SQL Server, PostgreSQL, or similar) Strong problem-solving and production debugging skills Strong communication skills and comfort working across business units Comfort using AI coding tools such as Claude Code Local to the Chicago area and able to be in the Lincolnshire office 2-3 days a week Retail, POS, or multi-channel payments Tokenization, 3DS, EMV, or PCI-DSS Digital wallets or alternative payment methods Messaging platforms (Kafka, RabbitMQ, Azure Service Bus) Cloud experience (Azure, AWS, or GCP) Agile / Scrum experience (Jira, Azure DevOps, etc.) We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to HR@insightglobal.com.