Application Engineer (Core Banking Platform)

Navy Federal Credit Union; Winchester (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Generous benefits

Competitive pay

Job summary

Navy Federal Credit Union is seeking an Application Engineer for Core Banking Modernization to design, implement, certify, and evolve capabilities across legacy and modern banking platforms as one ecosystem. The role partners with business, product, architecture, engineering, and transformation teams to translate strategic objectives into scalable, secure technology solutions.

The position focuses on co-existence of on-premise and cloud banking platforms, data migration, and AI-enabled

Qualifications

• Bachelor's degree or equivalent in CS/IT/Engineering or related field.
• 7+ years in software engineering, solution architecture, and enterprise tech.
• Experience with core banking platforms and data migration to cloud.
• Understanding of data migration from mainframe to cloud applications.

Responsibilities

• Support dual-core coexistence design and implementation across banking platforms.
• Contribute to data migration/integration strategy for Core Banking modernization.
• Define transaction lifecycle coverage from origination to General Ledger.
• Develop integration patterns for APIs, messaging, and event-driven architectures.
• Collaborate with security, operations, and architecture teams for readiness and observability.
• Research and apply AI-enabled software engineering and AI-driven observability.

Skills

Core Banking

Solution Architecture

Cloud-native architectures

DevSecOps

Education

Bachelor's Degree in Computer Science/IT/Engineering or related discipline

Tools

Mulesoft

Apache Kafka

Cloud platforms

Job description

Overview

Navy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be authorized to work in the United States without the need for current or future sponsorship.

The Application Engineer, Core Banking Modernization will provide support to technical leadership for the design, implementation, certification, and evolution of the capabilities required to operate NFCU's legacy and modern banking platforms as one logical banking ecosystem. The role will support the engineering of the Core Banking Platform, with focus on dual-core coexistence. This role partners closely with business, product, architecture, engineering, and transformation teams to translate strategic objectives into scalable, secure, and resilient technology solutions.

The Application Engineer provides technical expertise in core banking platforms, system integration, cloud-native architectures, DevSecOps, and modernization methodologies. This role will support the implementation and delivery of our Core Banking modernization program with a specific focus on co-existence of on premise and cloud banking platforms as an enabler for complete migration to a new core banking platform.

Responsibilities

• Support the technical design and implementation for dual-core coexistence across banking platforms
• Provide support for the solution/application design for implementing the Core Banking modernization program's coexistence (on premise and cloud) model and data migration/integration strategy
• Support definition of the complete transaction lifecycle from originating channel through transport, ingestion, validation, decomposition, state resolution, routing, core processing, reconciliation, settlement, accounting, and General Ledger outcomes.
• Develops the integration design patterns for dual core routing (validate, enrich ,locate, route) inbound data to banking applications from internal and external platforms utilizing APIs, messaging services, event-driven architectures, and microservices
• Provide support for managing the mechanics of the cloud core platform with focus on data processing and reconciliation
• Develops the integration design patterns for data egress from core banking platform to other internal and external platforms utilizing APIs, messaging services, event-driven architectures, and microservices
• Support engineering of routing patterns for single-core, cross-core, split-post, shadow, replay, migration, and fallback scenarios for banking transactions
• Support definition of engineering controls that preserve transaction atomicity, ordering, idempotency, balance integrity, posting completeness, and financial finality across both cores
• Support the adoption of AI-enabled software engineering capabilities, including intelligent code generation, test case creation, impact analysis, and documentation generation.
• Support the design of AI-driven observability and operational intelligence capabilities to proactively detect anomalies, identify root causes, and improve platform resiliency.
• Design repeatable migration patterns covering data migration, synchronization, validation, cutover, rollback, stabilization, and legacy retirement
• Provide support to establish development standards, coding practices, security controls, and quality gates for modernization initiatives.
• Collaborate with infrastructure, security, and operations teams to implement end-to-end operational readiness and monitoring capabilities.
• Facilitate technical workshops, design sessions, architecture reviews, and modernization planning activities.
• Research and evaluate emerging technologies relevant to core banking and financial services modernization.

Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Engineering, or related discipline, or equivalent combination of education and experience.
• 7+ years of software engineering, solution architecture, and enterprise technology experience in Core Banking domain.
• Advanced knowledge of Core Banking platforms (e.g. Fiserv, FIS, Oracle, etc.) .
• Experience in intersection of Core Banking with Retail Banking, Payments, Lending, or Products and Pricing (e.g.Zafin) environments
• Experience designing and delivering large-scale modernization and transformation initiatives migrating from mainframe systems to SaaS application.
• Understanding of data migration strategies from mainframe to cloud applications.

Desired Qualifications

• Experience working within highly regulated environments (e.g, NCUA)
• Knowledge of security, compliance, resiliency, and operational excellence principles.
• Hands-on experience with cloud-native architectures, distributed systems, API platforms (e.g. Mulesoft), event-driven solutions (e.g.Apache Kafka), and enterprise integrations patterns.

Additional Information

Hours

• Monday - Friday, 8:00AM - 4:30PM

Location

• 820 Follin Lane, Vienna, VA 22180
• 5510 Heritage Oaks Drive, Pensacola, FL 32526
• 141 Security Drive, Winchester, VA 22602

About Us

Navy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks. Our approach to careers is simple yet powerful: Make our mission your passion.* FORTUNE 100 Best Companies to Work For 2026* Yello and WayUp Top 100 Internship Programs 2025* Computerworld Best Places to Work in IT 2026* Most Loved Workplace - America's Top Most Loved Workplaces 2025* 2025 PEOPLE Companies That Care* Newsweek Most Trustworthy Companies in America 2026* Military Times 2025 Best for Vets Employers* Forbes 2026 America's Best Large Employers* Forbes 2025 America's Best Employers for New Grads* Forbes 2025 America's Best Employers for Tech Workers* 2025 RippleMatch Campus Forward Award Winner for Overall Excellence* Military.com Top Military Spouse Employers 2025* 2026 Handshake Early Talent Award* Newsweek America's Greatest Workplaces for Culture, Belonging and Community 2026From Fortune Magazine. 2026 Fortune Media IP Limited.

Equal Employment Opportunity: All qualified applicants will receive consideration for employment without regard to age, race, sex, color, religion, national origin, disability, veteran status, pregnancy, sexual orientation, genetic information, gender identity or any other basis protected by applicable law.

Accommodations: If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal's Medical Accommodations team at [e-mail] or by calling 1-888-503-6013. This team cannot provide any information on job postings or application status.

Bank Secrecy Act: Remains cognizant of and adheres to Navy Federal policies and procedures, and regulations pertaining to the Bank Secrecy Act.