Dan Fellows
Java Backend Developer | 4+ Years in Microservices & Cloud Solutions
Experienced Java backend developer specializing in microservices-based enterprise applications across fintech, airlines, and cloud operations. Skilled in Java, Spring Boot, Hibernate, REST APIs, PostgreSQL, MongoDB, and event-driven systems using Kafka, ActiveMQ, and IBM MQ. Proficient in AWS, Docker, Kubernetes, Jenkins, Terraform, and CI/CD automation. Adept at delivering scalable, secure, and high-performance backend services while collaborating in Agile/Scrum teams.
Designing and developing scalable backend systems using Java, Spring Boot, and Microservices architecture for enterprise applications.
Building robust REST APIs and GraphQL services with secure authentication (OAuth2, JWT) and optimized performance for enterprise workflows.
Integrating backend systems with AWS services such as EC2, Lambda, S3, and RDS for scalable and secure deployments.
Designing event-driven pipelines using Kafka, ActiveMQ, and IBM MQ to enable real-time data processing and synchronization.
Administering and optimizing PostgreSQL, MongoDB, and Oracle databases to ensure efficient data access and high performance.
Automating deployments and managing infrastructure with Jenkins, Docker, Kubernetes, Maven, Terraform, and AWS CloudFormation.
Supported migration of an on-premise application to AWS cloud for Delta Airlines. Created CloudFormation templates for Lambda functions, API Gateway triggers, and IAM roles, and conducted knowledge transfer sessions to accelerate AWS adoption.
Developed a full-stack flashcard application using Spring Boot, Hibernate, and React.js. Designed secure backend services while implementing a responsive front-end, following Agile practices to deliver a functional and user-friendly product.
Created a Java application to generate passenger and trip data for digital bus boarding passes. Implemented passenger records, trip details, and automated seat assignment using object-oriented programming principles to deliver a reliable backend prototype.
Updated pages and UI elements using custom CSS, implemented plugins for new features, improved SEO, advised on data protection, and trained staff for independent WordPress maintenance.
Developed Java backend microservices with Spring Boot, Hibernate, and Spring Cloud, built and optimized REST APIs, created Kafka streaming pipelines, managed PostgreSQL and MongoDB with Redis caching, and automated deployments with Docker, Kubernetes, and AWS CloudFormation.
Built Spring Boot microservices for flight booking and passenger management, designed REST and GraphQL APIs, implemented OAuth2/JWT security, optimized PostgreSQL and Oracle databases, deployed services on Docker/Kubernetes, and strengthened testing with JUnit, Mockito, and RestAssured.
Contributed to backend airline applications using Java, Spring Boot, and Hibernate. Developed REST APIs, implemented Kafka streaming, automated deployments with Docker/Kubernetes/Jenkins, conducted functional testing, and ensured efficient PostgreSQL and MongoDB data access.
Certified AWS Developer Associate with knowledge of cloud services, deployment automation, and scalable backend architectures (certification valid until 11/2027).
Tulsa, Oklahoma
+1 (918) 852-2243
dan.fellows.programmer@gmail.com