Payment Systems Architect / Lead (.NET)

The Client

Vernon Hills, United States of America

4 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Vernon Hills, United States of America

.NET

Amazon Web Services (AWS)

Azure

Payment Systems

Maven

Enterprise Messaging Systems

Payment Gateway

PCI Data Security Standards

RabbitMQ

Standard Sql

Software Engineering

Tokenization

.NET Core

Event Driven Architecture

Kubernetes

Kafka

ISO 8583

Webhooks

10+ years in software engineering, including 5+ years in payment systems architecture
Strong expertise in C# and .NET/.NET Core, with deep knowledge of distributed and event-driven systems
Proven experience building payment abstraction/orchestration platforms in multi-processor environments
Hands-on experience with payment integrations across gateways, processors, and acquirers
Strong knowledge of payment standards: REST, ISO 8583, EMV, NFC, 3DS2, tokenization, and webhooks
Experience with POS systems and card-present payment flows (EMV, contactless)
Expertise in digital wallet integrations and tokenization frameworks
Deep understanding of PCI-DSS and secure payment system design
Experience with cloud platforms (Azure, AWS, or GCP) and messaging systems (Kafka, RabbitMQ, Service Bus)
Strong SQL and data modeling experience
Excellent communication and stakeholder management skills