Java Developer Payments

Senior Java Developer - Payments

Location: Charlotte North Carolina (no relocation, must be ready for fave to face interview immediately)

Visa: no sponosrhip

We're working with a leading financial services organisation that's building next-generation payment platforms used at enterprise scale. They're looking for a Senior Java Developer with deep payments experience to join a high-performing engineering team responsible for secure, high-volume transaction processing.

This is a hands-on senior role with real influence over system design, architecture, and delivery.

What You'll Be Doing

• Designing and building large-scale Java applications focused on real-time payment processing.

• Working across modern payment rails including ACH, ISO 20022, wire and card-based transactions.

• Developing secure, high-performance APIs and microservices that operate at scale.

• Partnering with product, business, and security teams to turn complex requirements into elegant technical solutions.

• Ensuring systems meet strict security and regulatory standards within financial services.

• Improving and modernising existing platforms with a focus on performance, resilience, and scalability.

• Providing technical leadership through code reviews, mentoring, and best practice advocacy.

• Contributing to architectural decisions and long-term platform strategy.

What We're Looking For

• 7+ years experience building Java-based systems in payments environments.

• Strong understanding of payment processing concepts, standards, protocols, standards and messaging formats.

• Proven experience with Java Spring Boot, microservices architecture, cloud deployment and RESTful APIs.

• Solid knowledge of secure system design and handling sensitive financial data.

• Experience working in Agile teams and collaborating across disciplines.

• Confident communicator who's comfortable influencing technical direction.

Nice to Have

• Exposure to modern cloud platforms (AWS, Azure, or GCP).

• Experience with event-driven systems and messaging technologies such as Kafka.

• Familiarity with CI/CD pipelines and DevOps tooling.

If you have a disability which means you require assistance at any stage of the recruitment process, please contact us directly to discuss. MCS Group is committed to providing equality of opportunity to all.