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Hello, I am John Elijah, a Senior Full Stack Java Developer with over 6 years of hands-on experience designing, building, and deploying scalable, cloud-native web applications in Banking, Healthcare, and Retail domains. I specialize in core Java features, microservices with Spring Boot, event-driven architectures with Apache Kafka, and modern front-end frameworks like Angular and React. I focus on clean architecture, secure APIs, and delivering reliable, high-availability solutions.…Hello, I am John Elijah, a Senior Full Stack Java Developer with over 6 years of hands-on experience designing, building, and deploying scalable, cloud-native web applications in Banking, Healthcare, and Retail domains. I specialize in core Java features, microservices with Spring Boot, event-driven architectures with Apache Kafka, and modern front-end frameworks like Angular and React. I focus on clean architecture, secure APIs, and delivering reliable, high-availability solutions.

John Elijah

Full Stack Developer, Back-End Developer, Web Developer, +2

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Hello, I am John Elijah, a Senior Full Stack Java Developer with over 6 years of hands-on experience designing, building, and deploying scalable, cloud-native web applications in Banking, Healthcare, and Retail domains. I specialize in core Java features, microservices with Spring Boot, event-driven architectures with Apache Kafka, and modern front-end frameworks like Angular and React. I focus on clean architecture, secure APIs, and delivering reliable, high-availability solutions.…Hello, I am John Elijah, a Senior Full Stack Java Developer with over 6 years of hands-on experience designing, building, and deploying scalable, cloud-native web applications in Banking, Healthcare, and Retail domains. I specialize in core Java features, microservices with Spring Boot, event-driven architectures with Apache Kafka, and modern front-end frameworks like Angular and React. I focus on clean architecture, secure APIs, and delivering reliable, high-availability solutions.

Available to hire

Hello, I am John Elijah, a Senior Full Stack Java Developer with over 6 years of hands-on experience designing, building, and deploying scalable, cloud-native web applications in Banking, Healthcare, and Retail domains.

I specialize in core Java features, microservices with Spring Boot, event-driven architectures with Apache Kafka, and modern front-end frameworks like Angular and React. I focus on clean architecture, secure APIs, and delivering reliable, high-availability solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Sr Java Full Stack Developer at Deloitte

January 1, 2025 - Present

Designed and developed scalable backend services using Java 21, focusing on high-throughput, asynchronous payment transactions, built modular microservices with Spring Boot, secured APIs with Spring Security and OAuth2, and delivered enterprise-scale SPAs with Angular 17. Implemented event-driven architecture with Apache Kafka, containerized services with Docker, and orchestrated on Kubernetes; deployed on AWS with Terraform, Jenkins, and Helm. Led CI/CD pipelines and ensured observability with Prometheus and Grafana.

Java Full Stack Developer at CIBC

June 1, 2021 - December 1, 2024

Developed custom banking menus using Spring Boot microservices and React; implemented asynchronous inter-service communication with Apache Kafka; integrated with Elasticsearch for real-time logging and search; managed DB2, Oracle, and MongoDB GridFS; designed RESTful APIs with secure authentication (OAuth2, JWT), established centralized logging and test-driven development.

Java Developer at Capgemini

September 1, 2019 - June 1, 2021

Developed enterprise web applications using Java 8/ Spring; built microservices with Spring Boot; designed relational schemas in MySQL/PostgreSQL; implemented RESTful APIs; contributed to CI/CD with Jenkins, Docker, and Kubernetes; supported AWS deployments and logging/monitoring; and collaborated in Agile environments.