Integration Engineer — ESB & Payments (5–8 years)

Location: [Onsite/Remote/Hybrid]
Experience: 5–8 years
Travel: Willingness to travel (as required)

Role Summary:
Hands‑on Integration Engineer to design, build and support middleware/ESB solutions (Bhoomi, MuleSoft or equivalent). Work on API integrations, payment gateway connections, data mapping/transformation, and production support while collaborating with architects, devops and client teams.

Key Responsibilities:
Develop and maintain ESB flows/connectors, transformers and mediation logic on platforms like Bhoomi or MuleSoft.
Implement integrations with payment gateways/PSPs (authorization, capture, refunds, reconciliation, chargebacks).
Author API contracts (OpenAPI/Swagger), implement REST/SOAP endpoints, and ensure JSON/XML schema compliance.
Create data mappings, XSLT or transformation scripts, and perform payload validation and error handling.
Build and run unit/integration tests for integration artifacts; support CI/CD pipelines and automated deployments.




Troubleshoot and resolve production issues; perform RCA and implement fixes/optimizations.
Produce and maintain integration documentation: sequence diagrams, interface specs, runbooks and operational guides.
Ensure security controls for integrations (TLS, OAuth2/JWT, encryption) and follow PCI-related guidance for payments.
Collaborate with stakeholders, participate in requirement workshops, demos and knowledge transfers.
Support monitoring, logging and ing for integration flows.

Nice-to-have:
Experience with cloud deployments (AWS/Azure/GCP), Docker/Kubernetes.
Certifications: MuleSoft Developer/Integration or vendor-specific ESB certs.
Knowledge of payment processors (Stripe, Adyen, PayU) and banking integrations.
Familiarity with API management platforms and developer portals.

Tools & Technologies:
ESB/Middleware: Bhoomi, MuleSoft
API/Testing: OpenAPI/Swagger, Postman, SoapUI
Messaging: Kafka, RabbitMQ, JMS
DevOps: Git, Jenkins/GitHub Actions, Dock

📌 Senior Integration Engineer (Chennai)
🏢 Bahwan Cybertek
📍 Chennai