Kforce has a client in Howell, NJ that is seeking a Senior Software Developer. Join a fast-growing FinTech company transforming how businesses manage payments. We're looking for a hands-on developer to build scalable, cloud-native applications and APIs that power next-gen payment solutions. Duties: * Develop and maintain .NET/C# applications and AWS Lambda functions * Build full stack solutions in a collaborative Scrum environment * Write clean, maintainable code and participate in code reviews * Own features from design through production * Contribute to systems supporting ISV integrations, merchant services, and PayFac capabilities