API Engineer (Open Banking)

Synechron; Charlotte (NC); On-site; USD 120,000 - 160,000; Full time

Job summary

Synecron in Charlotte, NC seeks an API Engineer to build and support our Open Banking platform. You will develop REST/SOAP services, implement OAuth 2.0, and work with banking partners and FinTechs.

You will monitor production systems, analyze performance dashboards in Splunk/AppDynamics, and collaborate with infra, product, and architecture teams to ensure scalable, secure APIs. The ideal candidate has 5-10+ years in Java/API development, microservices experience, and a strong background in

Qualifications

• 5–10+ years in Java/API development.
• Experience with microservices architecture.
• Logging and monitoring with Splunk and AppDynamics.
• Banking or financial services background.
• Experience with large-scale, customer-facing platforms.

Responsibilities

• Design and develop REST/SOAP web services.
• Build new API capabilities for Open Banking initiatives.
• Implement OAuth 2.0 authentication and authorization.
• Connect with external FinTechs and vendors.
• Support data-sharing platforms and aggregators.
• Handle API onboarding and integration troubleshooting.
• Monitor API performance and reliability.
• Analyze Splunk and AppDynamics dashboards.
• Address resiliency and scalability issues.
• Collaborate with infrastructure during incidents.
• Adhere to Open Banking frameworks.

Skills

Java

API development

Microservices

OAuth 2.0

REST APIs

Open Banking

Splunk

AppDynamics

Banking domain

Open Banking integrations

Tools

API Gateways

Splunk

AppDynamics

Job description

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.

• Build APIs that enable secure data-sharing between the bank and FinTech platforms.
• 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 Responsibilities

API Development

• Design and develop REST/SOAP web services.
• Build new API capabilities for Open Banking initiatives.
• Implement OAuth 2.0 authentication and authorization.

Integration Engineering

• Connect with external FinTechs and vendors.
• Support data-sharing platforms and aggregators.
• Handle API onboarding and integration troubleshooting.

Production Support & Reliability

• Monitor API performance.
• Analyze Splunk and AppDynamics dashboards.
• Address resiliency and scalability issues.
• Work with infrastructure teams during incidents.

Open Banking Standards

Knowledge of:

• Open Banking frameworks

5-10+ years in Java/API development

Microservices architecture experience

Logging and monitoring using Splunk/AppDynamics

Banking or Financial Services background

Experience working with large-scale, customer-facing platforms