Job description

Join Mizuho as a Payment Platform Implementation Engineer! The Payment and Settlement Technology group is seeking a Payment Platform Implementation Engineer to design, build, and support scalable technology solutions for critical payment processing, settlement, and transaction banking platforms. In this role, you will partner with business, operations, product, and technology teams to deliver secure, resilient, and well-controlled applications that support high-value payments, settlement workflows, regulatory requirements, and ongoing platform modernization initiatives across SWIFT, FED, ACH and other global internal and external channels. Key Responsibilities Design, develop, and maintain Java-based applications and services supporting payment processing, settlement workflows, and transaction banking capabilities across internal and external channels. Build and integrate APIs, microservices, and event-driven components that enable secure, resilient, and scalable payment orchestration, validation, enrichment, routing, and status tracking. Develop scripts and automation utilities to support application deployment, data analysis, operational support, monitoring, reconciliation, and controlled production support activities. Design, query, and optimize relational databases supporting payment transactions, reference data, audit trails, exception handling, and settlement reporting. Collaborate with business analysts, operations, risk, compliance, infrastructure, and vendor teams to translate payment-domain requirements into reliable technical solutions with strong controls and traceability. Support testing, defect resolution, code reviews, release management, and production readiness activities for payment and settlement platforms, ensuring high availability, security, and regulatory alignment. Qualifications Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field required; Master’s degree in Computer Science preferred. Must have hands-on experience working on payment straight-through processing (STP) solutions, including payment initiation, validation, enrichment, routing, settlement, exception handling, and status reporting. Strong Java development experience with practical knowledge of APIs, microservices, scripting, relational databases, and production-grade application support. Experience with payment platforms, financial messaging, clearing and settlement processes, or banking technology environments preferred. Eligibility to work in the local market required. The expected base salary ranges from $83k-$165k. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications and licenses obtained. Market and organizational factors are also considered. In addition to salary and a generous employee benefits package, successful candidates are eligible to receive a discretionary bonus. #LI-Hybrid Other requirements Mizuho has in place a hybrid working program, with varying opportunities for remote work depending on the nature of the role, needs of your department, as well as local laws and regulatory obligations. Roles in some of our departments have greater in-office requirements that will be communicated to you as part of the recruitment process . Company Overview Mizuho Financial Group, Inc. is the 15th largest bank in the world as measured by total assets of ~$2 trillion. Mizuho s 60,000 employees worldwide offer comprehensive financial services to clients in 35 countries and 800 offices throughout the Americas, EMEA and Asia. Mizuho Americas is a leading provider of corporate and investment banking services to clients in the US, Canada, and Latin America. Through its acquisition of Greenhill, Mizuho provides M&A, restructuring and private capital advisory capabilities across Americas, Europe and Asia. Mizuho Americas employs approximately 3,500 professionals, and its capabilities span corporate and investment banking, capital markets, equity and fixed income sales & trading, derivatives, FX, custody and research. Visit www.mizuhoamericas.com . Mizuho Americas offers a competitive total rewards package. We are an EEO/AA Employer - M/F/Disability/Veteran. We participate in the E-Verify program. We maintain a drug-free workplace and reserve the right to require pre- and post-hire drug testing as permitted by applicable law. #LI-MIZUHO

Requirements

Must-haves

Join Mizuho as a Payment Platform Implementation Engineer!
Design, develop, and maintain Java-based applications and services supporting payment processing, settlement workflows, and transaction banking capabilities across internal and external channels.
Build and integrate APIs, microservices, and event-driven components that enable secure, resilient, and scalable payment orchestration, validation, enrichment, routing, and status tracking.
Develop scripts and automation utilities to support application deployment, data analysis, operational support, monitoring, reconciliation, and controlled production support activities.
Design, query, and optimize relational databases supporting payment transactions, reference data, audit trails, exception handling, and settlement reporting.
Collaborate with business analysts, operations, risk, compliance, infrastructure, and vendor teams to translate payment-domain requirements into reliable technical solutions with strong controls and traceability.
Support testing, defect resolution, code reviews, release management, and production readiness activities for payment and settlement platforms, ensuring high availability, security, and regulatory alignment.
Must have hands-on experience working on payment straight-through processing (STP) solutions, including payment initiation, validation, enrichment, routing, settlement, exception handling, and status reporting.
Strong Java development experience with practical knowledge of APIs, microservices, scripting, relational databases, and production-grade application support.
Eligibility to work in the local market required.
Other requirements
Company Overview
Mizuho Americas offers a competitive total rewards package.
We are an EEO/AA Employer - M/F/Disability/Veteran.
We participate in the E-Verify program.
We maintain a drug-free workplace and reserve the right to require pre- and post-hire drug testing as permitted by applicable law.

Nice-to-haves

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field required; Master’s degree in Computer Science preferred.
Experience with payment platforms, financial messaging, clearing and settlement processes, or banking technology environments preferred.

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

swiftjava

Platform: workday
Effort: long