وسيم خان

• Designed and developed cloud-native microservices using Java 17,
Spring Boot 3, Kafka, REST APIs, GraphQL, and IBM MQ, ensuring
scalability and high performance.
• Migrated legacy applications from Oracle to MySQL DB with zero
business continuity impact, implementing Kafka-based event-driven
architecture for database operations.
• Integrated APIs with ServiceNow and Oracle UCM, enabling
automated RITM creation/updation and streamlined workflows.
• Implemented OAuth 2.0 Client Credentials authorization, Redis
caching, and MDC logging for secure and efficient microservice
operations.
• Conducted performance testing, regression testing, SIT, and
failover/DR testing, ensuring system resilience and compliance.
• Deployments via CI/CD pipelines (Jenkins, Cloudbees) and managed
code versioning with Bitbucket.
• Ensured SonarQube code coverage, resolved Fortify security issues,
and executed Blue-Green deployments for production releases.
• Collaborated with data teams to deliver fraud and credit risk models,
integrating with bureaus like Experian and TransUnion.
• Provided knowledge transfer (KT) sessions to new joiners and
supported UAT testing for client regions.
• Utilized Swagger/Postman for API testing and validation.

• Effectively utilize all applications, tools, and databases used to process
transparent end to end client support
• Ensure achievement of the set target of revenue from the mapped set
of customers associated to them
• Provide premium customer service delivery to their Middle Eastern mapped clients
portfolio digitally
.
◦ Strictly adhere to internal control policies and ensure that the
organizations activities are carried out in accordance with all regulatory,
legal, and governmental regulations