Tech Lead - Java

As a Senior Developer at Principal Global Services, I contributed to multiple projects leveraging a wide range of technologies, primarily focusing on cloud integration, microservices, batch processing, and JMS. Throughout these projects, I collaborated with cross-functional teams, gathered requirements, designed solutions, developed and tested applications, and ensured seamless integration with other systems.

Throughout my tenure at Principal Global Services, I was responsible for the end-to-end design and development of several mission-critical systems. My role involved working with technologies like Core Java, Spring, JMS, and various cloud services (Azure), where I focused on secure service integration, batch processing, and the development of RESTful web services. I consistently delivered high-quality solutions, ensuring stability, performance, and seamless integration across multiple platforms and systems.

Key Responsibilities:

* Gathered functional and technical requirements for each project and analyzed business needs to define appropriate solutions.

* Led the design and development of various applications and services.

* Developed interfaces to communicate with external systems, such as APIs, queues, and databases.

* Integrated on-premises systems with Azure cloud services to enable secure access to cloud-hosted services.

* Implemented robust exception handling to ensure system reliability and effective error management.

* Wrote unit tests using JUnit to ensure code quality, and debugged and optimized code to meet functional and performance requirements.

* Implemented security mechanisms and managed token-based authentication using Azure API Management for service access.

* Ensured that applications met performance expectations by focusing on efficient data processing and minimal downtime.

* Developed complete applications from scratch, including database interactions, data processing, and service communication.

As a Java Developer at SEARS, I took ownership of several critical applications that personalized customer experiences based on shopping behaviors. I played a key role in the Unica Integration Layer (UIL), integrating web services across customer interaction channels to deliver targeted promotions. I also owned the CSO Engine, a JMS-based system for managing the issuance, inquiry, and redemption of Customer Specific Offer (CSO) numbers, ensuring fraud prevention and accuracy. In addition, I contributed to the development of the Smart Offer Platform, a campaign management tool enabling business users to create and manage customer-specific offers. I also developed and implemented CSO Services, RESTful web services for managing CSO details and interactions. Throughout these projects, I was responsible for the end-to-end development process, from design to deployment, and played a key role in ensuring seamless integration, robust fraud prevention, and high-quality service delivery.

Key Responsibilities:

* Analyzed functional requirements and contributed to end-to-end design and development of the systems.

* Wrote, debugged, and tested code to ensure smooth integration across services.

* Played a key role in implementing fraud prevention mechanisms for secure offer tracking and redemption.

* Conducted peer code reviews to ensure high-quality code and maintained best practices.