Payment Platform Implementation Engineer

Socket.dev; New York (NY); Hybrid; USD 83,000 - 165,000; Full time

Job summary

Mizuho is seeking a Payment Platform Implementation Engineer to design, build, and support scalable payment processing, settlement, and transaction banking platforms. You will partner with business, operations, product, and technology teams to deliver secure, resilient applications across SWIFT, FED, ACH and other channels.

Responsibilities include designing Java-based services, integrating APIs and microservices, and developing automation for deployment, monitoring, and production support.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field (Master's preferred).
• Hands-on experience with payment STP – initiation, validation, enrichment, routing, settlement, reporting.
• Strong Java, APIs, microservices, scripting, relational DBs, and production-grade support.

Responsibilities

• Design, build, and support scalable Java-based payment processing and settlement services across channels.
• Build and integrate APIs, microservices, and event-driven components for payment orchestration and tracking.
• Develop scripts and automation for deployment, data analysis, monitoring, and production support activities.
• Design, query, and optimize relational databases supporting payments, references, audits, and settlements.
• Collaborate with business analysts, operations, risk, compliance, infrastructure, and vendors to translate payment-domain requirements into reliable solutions with controls and traceability.
• Support testing, defects, code reviews, release management, and production readiness for payment platforms.

Skills

Java development

APIs

Microservices

Scripting

Relational databases

Production support

Education

Bachelor's degree in CS/IT/Engineering

Master's degree preferred

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.

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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 Americasoffers 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