Sr Java Developer

This is a 12-month contract position for a Senior Java Developer based in Torrance, California. You will deliver exceptional support to develop meaningful digital experiences and strengthen customer experience across all digital applications-from design and development through production support and solutioning.

Responsibilities

• Design, develop, and support cloud-native applications on AWS, utilizing services such as Lambda, API Gateway, EKS, ECS, S3, RDS, DynamoDB, SNS, SQS, EventBridge, Amazon MQ, MSK (Kafka), CloudWatch, and IAM.
• Architect and implement microservices, RESTful APIs, event-driven systems, and serverless applications with a strong understanding of distributed systems design principles.
• Develop backend solutions using Java/J2EE, Spring Boot, Spring Data JPA, Hibernate, and related open-source frameworks.
• Work with containerization and orchestration technologies, including Docker, Kubernetes, Amazon EKS, and Red Hat OpenShift.
• Implement CI/CD pipelines and DevOps practices using tools such as Jenkins, GitLab CI/CD, GitHub Actions, AWS CodePipeline, Terraform, and CloudFormation.
• Design and optimize relational and NoSQL database solutions, including Amazon RDS, PostgreSQL, MySQL, and DynamoDB.
• Apply cloud security and application security best practices, including IAM, OAuth2, OpenID Connect, JWT, secrets management, encryption, and secure API design.
• Troubleshoot, debug, and optimize performance in large-scale production environments.
• Participate in Agile/Scrum teams, contribute to architecture discussions, conduct code reviews, and mentor junior engineers.
• Leverage AI-assisted engineering tools to improve development productivity, code quality, testing, documentation, and troubleshooting.

Qualifications

• Required

• Bachelor's or Master's degree in a related field

• 8+ years of professional software development experience with a strong focus on backend development using Java/J2EE

• Strong hands-on experience with Spring Boot, Spring Data JPA, and Hibernate

• Demonstrated expertise designing and developing cloud-native applications on AWS

• Proficiency in microservices architecture and RESTful API design

• Experience with event-driven systems and serverless application development

• Strong understanding of Java fundamentals, JVM internals, concurrency, and multithreading

• Experience with functional programming concepts such as Lambda Expressions, Streams API, and CompletableFuture

• Hands-on experience with containerization technologies including Docker and Kubernetes

• Experience implementing CI/CD pipelines and DevOps practices

• Knowledge of cloud security and application security best practices

• Strong problem-solving, debugging, and performance tuning skills in production environments

• Experience working in Agile/Scrum teams

• Preferred

• Proficiency in Python and experience with AI/ML frameworks

• Familiarity with enterprise AI/LLM concepts including prompt engineering, Retrieval-Augmented Generation (RAG), vector databases, and agentic workflows

• AWS, Kubernetes, AI/ML, or other relevant professional certifications