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Rayyan Akbar

@rayyanakbar

I build scalable Java microservices, healthcare APIs, and trading systems across cloud-native enterprise platforms.

At CNA Insurance, I build Java and Spring Boot microservices, EDI healthcare APIs, and FHIR-compliant integrations for enterprise healthcare and financial applications. I also optimize SQL and PostgreSQL ETL processes, automate data workflows with Airflow and GCP Dataflow, and reduced deployment times by 40% through Jenkins and GitLab CI pipelines.

Previously at CME Group, I developed low-latency Java services for high-throughput trading systems, integrating REST, SOAP, FIX, Kafka, and RabbitMQ. I bring nearly seven years of experience across backend development, Angular and React interfaces, cloud deployments, secure APIs, observability, and mentoring junior developers.

Experience

Work history, roles, and key accomplishments

Current

Senior Java Full Stack Developer

Current

CNA Insurance

Sep 2022 - Present (4 years)

Developed responsive UI components and designed scalable APIs using Spring Boot and Java 11+. Led optimization of ETL processes and integrated FHIR-compliant APIs for healthcare data exchange.

Java Spring Boot Hibernate Docker Kubernetes AWS SQL PostgreSQL Kafka Angular NodeJS Terraform Microservices Agile Gitlab Prometheus Grafana

Software Engineer | Backend Developer

CME Group

Aug 2020 - Sep 2022 (2 years 1 month)

Designed and developed low-latency backend microservices for high-throughput trading systems. Implemented event-driven architecture using Kafka and RabbitMQ and optimized performance with Java Streams and JVM tuning.

Junior Java Developer

Slipstream IT Inc.

Sep 2019 - Jul 2020 (10 months)

Developed and maintained Java-based enterprise applications using Spring Boot and Hibernate. Assisted in building CI/CD pipelines and implemented unit and integration testing with JUnit and Mockito.