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API Developer, Banking and Payments

Knk Gt — Canada · Posted ~2 days ago

Full-time Hybrid

Skills

API development REST APIs API Gateway Banking systems integration Payment systems Core banking integration JSON XML Microservices SQL Agile Git CI/CD API security Authentication Monitoring API documentation REST Java Spring Boot OAuth 2.0 JWT SOAP Kafka AWS Azure OpenAPI Swagger

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Summary

A full-time API developer is needed to build, integrate, and support secure, scalable services for enterprise banking and payment environments. You will develop REST APIs, connect core systems and payment services, troubleshoot production issues, optimize performance, and follow Agile, DevOps, and secure SDLC practices. Experience with API gateways, microservices, SQL, CI/CD, and enterprise integrations is required.

Highlights

Permanent hybrid role focused on secure, scalable enterprise integrations, production support, performance optimization, and collaboration across business and technical teams.

Description

Position: API Developer with FIS Location: Hybrid- Toronto, ON Job type: Full-Time/Permanent Hiring Job Description We are seeking an API Developer with experience building, integrating, and supporting secure, scalable APIs for FIS banking, payments, and financial services platforms. The ideal candidate will have expertise in REST APIs, API Gateways, backend integration, core banking systems, and enterprise application integration. Key Responsibilities Design, develop, and maintain secure, scalable REST APIs and backend integration services for FIS banking and payment platforms.Integrate APIs with core banking systems, payment gateways, and enterprise applications ensuring secure, high-availability data exchange.Develop API services, perform troubleshooting, testing, deployment, and performance optimization following enterprise standards.Collaborate with business, architecture, QA, and infrastructure teams to deliver scalable integration solutions.Ensure API security, authentication, monitoring, documentation, and adherence to SDLC, Agile, and DevOps best practices.Support production incidents, API enhancements, and enterprise integration initiatives. Required Skills (Must Have) API DevelopmentREST APIsAPI GatewayFISBanking & PaymentsCore Banking IntegrationJSON / XMLMicroservicesSQLAgileGitCI/CD Preferred Skills JavaSpring BootOAuth 2.0JWTSOAPKafkaAWS / AzureOpenAPI / Swagger