Lumen Solutions Group Inc. · 3 months ago
Developer Java/Web – Senior
Lumen Solutions Group Inc. is seeking an experienced Senior Java/Web Developer to design, build, and support enterprise-level, cloud-native applications in the passenger rail transportation domain. The role involves full-cycle development, focusing on Java 17, Spring Boot, AWS cloud services, and CI/CD automation.
Information Technology & Services
Responsibilities
Analyze business requirements and design scalable IT solutions
Develop, test, and deploy enterprise-level, cloud-native applications
Build event-driven backend services for EDI transactions
Provide production support and resolve complex technical issues
Implement automated testing frameworks to ensure quality
Qualification
Required
Expertise in Java 17, Spring Boot, Maven
Hands-on experience with AWS (ECS, Lambda, EventBridge, S3, API Gateway, RDS, CloudWatch, etc.)
Strong CI/CD experience with Jenkins, AWS CodePipeline, CloudFormation
Automated testing with JUnit, Mockito, Cucumber, Playwright, Cypress
Solid understanding of cloud-native design & security practices
7+ years of relevant experience, Bachelor's in Computer Science or related field
Preferred
AWS Developer Certification
Knowledge of Angular
Knowledge of EDI systems
Knowledge of event-driven architectures
Knowledge of AWS CDK