Demo

SENIOR API & INTEGRATION ENGINEER

SUNRAY INFORMATICS
Newark, NJ Contractor
POSTED ON 8/1/2026
AVAILABLE BEFORE 8/31/2026
ROLE: SENIOR API & INTEGRATION ENGINEER
CLIENT: Financial Services
INTERVIEW: Telephonic & Webcam
LOCATION: Hybrid – Iselin, NJ (Remote may be considered for exceptional candidates)
EMPLOYMENT: Corp-to-Corp (C2C)
EXPERIENCE: 10 Years (Mandatory)
Job Summary
We are seeking an experienced Senior API & Integration Engineer with extensive expertise in enterprise API management, middleware integration, and cloud-native integration platforms. The ideal candidate should have hands-on experience with MuleSoft, TIBCO, Apigee, IBM API Connect, Boomi, webMethods, Red Hat Fuse, Oracle Integration Cloud, Azure Integration Services, or similar enterprise integration technologies.
The candidate must have strong Banking/Financial Services experience, having worked on large-scale, long-term financial transformation projects, delivering secure, scalable, and high-performing enterprise integration solutions.
Key Responsibilities
  • Design, develop, and support enterprise-grade API and integration solutions using leading middleware and integration platforms.
  • Design enterprise integration patterns including REST APIs, SOAP services, event-driven architecture, messaging, file transfer (MFT), and microservices.
  • Build scalable, secure APIs and reusable integration services.
  • Develop integrations with enterprise applications, cloud services, databases, and third-party systems.
  • Implement enterprise API security using OAuth2, OIDC, JWT, mTLS, API Keys, and Identity & Access Management best practices.
  • Design highly available and scalable integration platforms using Kubernetes, Docker, and container technologies.
  • Develop reusable connectors, orchestration services, retry mechanisms, exception handling, and monitoring solutions.
  • Implement API governance, API lifecycle management, versioning, throttling, security policies, and developer portals.
  • Troubleshoot complex production issues involving APIs, middleware, networking, and backend systems.
  • Create Technical Design Documents (TDD), Solution Design Documents (SDD), and Technology Impact Assessments (TIA).
  • Collaborate with Enterprise Architecture, Infrastructure, Security, Business, and Vendor teams to deliver enterprise integration solutions.
Required Skills
  • 10 years of enterprise API & Integration experience.
  • Hands-on experience with MuleSoft, TIBCO, Apigee, IBM API Connect, Boomi, webMethods, Red Hat Fuse, Oracle Integration Cloud, Azure Integration Services, or similar platforms.
  • Strong experience designing enterprise API architectures and integration solutions.
  • Extensive experience with REST APIs, SOAP Web Services, GraphQL, Microservices, API Gateways, and Enterprise Integration Patterns.
  • Strong knowledge of Kubernetes, Docker, Linux, and cloud-native deployment.
  • Experience implementing OAuth2, OIDC, JWT, mTLS, SAML, and API security best practices.
  • Hands-on experience with Kafka, RabbitMQ, IBM MQ, ActiveMQ, JMS, and enterprise messaging.
  • Experience with SQL, Oracle, PostgreSQL, MongoDB, NoSQL, and distributed systems.
  • Experience with Prometheus, Grafana, Splunk, ELK, LogicMonitor, or similar observability tools.
  • Strong understanding of CI/CD tools such as Jenkins, GitHub, GitLab, Maven, Bamboo, Azure DevOps, etc.
  • Excellent troubleshooting, communication, and stakeholder management skills.
Mandatory Domain Experience
  • Extensive Banking/Financial Services experience is mandatory.
  • Experience supporting enterprise banking applications, payment systems, digital banking, lending, treasury, wealth management, regulatory reporting, or financial integration platforms.
  • Proven experience working on long-term enterprise financial transformation programs.
  • Strong understanding of enterprise security, compliance, API governance, and integration best practices in regulated financial environments.
 

Hourly Wage Estimation for SENIOR API & INTEGRATION ENGINEER in Newark, NJ
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