Senior Integration Developer – API Connect, DataPower
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Job Description
Senior IBM integration developer building secure APIs and middleware for enterprise banking systems. Supporting API Connect, DataPower, ACE, MQ, and production integration environments.
Responsibilities:
- Design, develop and implement enterprise integration solutions using IBM API Connect and IBM DataPower
- Develop, configure and manage RESTful and SOAP APIs
- Manage API lifecycle activities, including API creation, publishing, deployment and migration
- Configure API security policies, including OAuth 2.0, JWT, Mutual TLS and WS-Security
- Develop custom policies and API logic using GatewayScript and XSLT
- Implement API rate limiting, authentication, authorisation and traffic management policies
- Configure IBM DataPower Multi-Protocol Gateway (MPG) and XML Firewall
- Perform XML/JSON data transformation, payload validation and message processing
- Work with IBM App Connect Enterprise (ACE) and IBM MQ for enterprise application integration
- Develop REST/JSON services and Node.js-based APIs
- Provide L2/L3 production support, troubleshooting and root cause analysis
- Monitor middleware services, analyse logs and ensure high availability of integration platforms
Requirements:
- Strong hands-on experience with IBM API Connect (APIC)
- Extensive experience with IBM DataPower Gateway
- Proficiency in GatewayScript and XSLT
- Strong understanding of REST, SOAP, XML and JSON
- Experience implementing OAuth 2.0, JWT, Mutual TLS and WS-Security
- Experience with IBM ACE and IBM MQ
- Knowledge of API management, gateway configuration and security policies
- Experience with Node.js and API development
- Familiarity with Oracle, MySQL, Git, GitHub, Postman and SoapUI
- Experience with API Connect migration, preferably V5 to V10
- Previous experience working on banking or financial services integration projects
- Experience supporting enterprise-scale middleware and API integration environments
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