Ibrar Ul haq

• Architected and delivered DTC Pulse (pulse.wsactivision.com) — a real-time inventory tracking platform built with Spring
Boot, Keycloak, Thymeleaf, OAuth2, and PostgreSQL.
• Engineered Keycloak role-and-permission integration across DTC Pulse and WsProvision, cutting unauthorised-access
incidents by 30% and securing access for 500+ users.
• Built a WYSIWYG form-builder feature using Spring Boot and Java, reducing form-creation time by 40%.
• Designed and delivered multiple real-time dashboards with interactive graphs and charts (HTML, CSS, JSP).
• Integrated a mapping API into WsProvision for live field-BA tracking, boosting operational efficiency by 20%.
• Developed a Mystery Shopping web app using Spring Boot, Android Studio, Charting API, JSTL, and MySQL.
• Managed cloud infrastructure: provisioned Amazon EC2 instances, configured RDS databases, and handled application
deployments.

• Contributed to the E2E Huawei project — an end-to-end message-processing system for telecom traps and alarms.
• Implemented Apache Kafka for reliable real-time message streaming between microservices using Spring Boot.
• Designed Kafka topics, partitions, and consumer groups to achieve scalable, fault-tolerant, asynchronous data flow.
• Led migration from ActiveMQ to Kafka, achieving significant latency reduction and improved throughput.
• Conducted performance benchmarking between ActiveMQ and Kafka; collaborated cross-functionally to resolve
system-level issues.