API Engineer (Open Banking)

This is an API Engineer role focused on building and supporting the bank's Open Banking platform. Candidates from digital banking or API platform teams with experience in REST APIs, OAuth 2.0, API Gateways, Splunk/AppDynamics, and Open Banking integrations.The team develops and maintains APIs that allow external FinTech companies, aggregators, and third-party applications to securely access customer-permissioned banking data and integrate with the bank's systems.In simple terms:Build APIs that enable secure data-sharing between the bank and FinTech platforms.Support customer consent-driven data exchange.Develop both inbound and outbound integrations.Ensure APIs are highly available, secure, scalable, and resilient.Work closely with infrastructure, operations, product, and architecture teams.Monitor production systems and troubleshoot issues impacting API traffic.Core ResponsibilitiesAPI DevelopmentDesign and develop REST/SOAP web services.Build new API capabilities for Open Banking initiatives.Implement OAuth 2.0 authentication and authorization.Integration EngineeringConnect with external FinTechs and vendors.Support data-sharing platforms and aggregators.Handle API onboarding and integration troubleshooting.Production Support & ReliabilityMonitor API performance.Analyze Splunk and AppDynamics dashboards.Address resiliency and scalability issues.Work with infrastructure teams during incidents.Open Banking StandardsKnowledge of:FDX (Financial Data Exchange)OFX (Open Financial Exchange)Open Banking frameworksCustomer-consented data sharing models✅ 5-10+ years in Java/API development✅ Heavy REST API experience✅ OAuth 2.0 implementation experience✅ Microservices architecture experience✅ API Gateway exposure (Apigee, Kong, MuleSoft, CA Gateway, AWS API Gateway, etc.)✅ Production support experience✅ Logging and monitoring using Splunk/AppDynamics✅ Banking or Financial Services background✅ Experience working with large-scale, customer-facing platforms