Payment Systems Engineer

Insight Global
Lincolnshire, United States of America
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Compensation
$ 156K

Job location

Lincolnshire, United States of America

Tech stack

ASP.NET
.NET
Amazon Web Services (AWS)
User Authentication
Azure
C Sharp (Programming Language)
Cloud Computing
Cloud Engineering
Relational Databases
Software Debugging
DevOps
Payment Systems
PostgreSQL
Enterprise Messaging Systems
Microsoft SQL Server
Oracle Applications
Payment Gateway
PCI Data Security Standards
RabbitMQ
Secure Coding
Systems Integration
Azure
System Availability
Backend
Stripe
Information Technology
Kafka
REST
Microservices

Job description

A large retail company is seeking an experienced Payment Systems Engineer (.NET) with strong .NET/C# expertise for a hybrid role based in Lincolnshire, IL, where candidates are required to work in the Lincolnshire office 2-3 days per week. This role focuses on designing, building, and maintaining secure, high-performance payment platforms by developing reliable transaction processing systems using .NET, C#, and ASP.NET Core, building RESTful APIs and microservices, integrating with payment gateways and banks, ensuring high availability and scalability, implementing PCI DSS compliant secure handling of sensitive payment data, monitoring transaction flows, troubleshooting production issues, and improving reconciliation and settlement processes.

Requirements

Strong experience with C#, .NET, and ASP.NET Core for backend development

  • Experience in retail and multi-channel payments (POS, e-commerce, mobile, and alternative payment methods)
  • Hands-on experience building RESTful APIs, microservices, and distributed backend systems
  • Proficiency with relational databases (SQL Server, Oracle, or PostgreSQL)
  • Solid knowledge of secure coding practices, encryption, authentication, and PCI DSS
  • Bachelor's degree in Computer Science, Engineering, or equivalent experience
  • Strong problem-solving and debugging skills for mission-critical systems

Nice to Have Skills & Experience

  • Experience with payment processors or gateways (Stripe, Adyen, PayPal, Fiserv, Authorize.net, etc.)
  • Familiarity with cloud platforms (Azure or AWS) and cloud-native .NET applications
  • Knowledge of messaging systems such as Azure Service Bus, RabbitMQ, or Kafka
  • Experience with CI/CD pipelines and DevOps practices
  • Background in fintech or financial services
  • Familiarity with SOX or other financial compliance standards

Benefits & conditions

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.

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