Senior Java Full Stack Developer at Loblaws

Design and develop scalable RESTful APIs and backend microservices using Spring Boot, Spring MVC, Spring Security, Hibernate, and JPA — serving as the core data layer for Loblaws' e-commerce and loyalty platforms. Build and maintain React.js SPAs with TypeScript, implement OAuth2/JWT authentication, and design event-driven communication with Apache Kafka and real-time processing with Storm. Add Redis caching to reduce latency, apply Resilience4j circuit breakers, and build data pipelines with Spring Batch for high-volume ingestion. Migrate legacy components to Docker/Kubernetes, deploy on AWS (EC2, S3, RDS) with Helm-based releases, and automate CI/CD pipelines with Jenkins and GitLab. Collaborate with cross-functional teams in Agile ceremonies and implement monitoring with Prometheus, Grafana, and OpenTelemetry.

Java Full Stack Developer at Optus Infotech

Engineered high-availability backend services using Spring Boot, Spring MVC, Spring AOP, Spring Batch, and Spring Security for mission-critical enterprise applications. Built Angular 8 frontends with real-time data dashboards; exposed RESTful APIs via JAX-RS/Jersey; designed microservices with Eureka and OpenFeign. Deployed on AWS/Azure using Docker and Terraform for IaC; integrated Elastic Path APIs via Node.js middleware. Implemented CI/CD with Jenkins and Git; mentored juniors and delivered end-to-end project lifecycles across multiple client engagements.

Java Developer at Mastercard

Designed RESTful web services using Spring Boot, Spring MVC, and Spring Data; built Angular 4/6 SPAs; integrated Elastic Path APIs for shopping cart, catalog, and product functionality. Deployed to AWS (EC2, S3, DynamoDB) and Azure; implemented OAuth2/JWT security and OWASP-compliant practices; tested with Postman and Blaze Meter; ensured code quality with JUnit/TestNG and Selenium WebDriver.

Sr Java Full Stack Developer at Loblaws

Contributed to design, development, and maintenance of Java-based applications using Spring Boot; built RESTful APIs and backend services; developed responsive UI with Angular/TypeScript; implemented event-driven data processing using Apache Kafka; deployed on AWS (EC2, S3, Lambda); configured CI/CD pipelines with Jenkins and Git; integrated with Oracle and MongoDB; implemented security with Spring Security and OAuth2.