Senior Java Developer, Washington DC

Senior Java DeveloperLocation: Washington DC, Partial RemoteResponsibilities:Engage in client discussions to provide technical analysis and support on business requirements and priorities.Perform comprehensive analysis, design, documentation, implementation, and maintenance of complex IT solutions projects related to passenger rail transportation systems.Conduct detailed business analysis to architect and design IT solutions that fulfill both functional and technical requirements.Document and deliver essential project documents such as sizing, external design, detail design, etc.Application Development:Design, develop, test, and deploy business-critical applications.Develop and implement high-performance, cloud-native enterprise-level services with a focus on availability.Maintain technical documentation and provide support for problem analysis and resolution.Production Support:Monitor and resolve production problems for assigned applications or systems when necessary.Testing Support:Utilize Test Driven Development methodologies to create use-case scenarios and unit test cases using frameworks such as Junit, Mockito, and PowerMock.Collaborate with Product Owner and Test Engineer to develop and execute test plans/test cases.Identify and rectify any identified defects.Requirements:Minimum of 5 years of relevant work experience.Excellent communication skills.Strong backend development experience with Java, Spring, and Spring Boot ecosystem, including REST and SOAP-based APIs.Proficiency in developing Data Access Layer (DAO) using Spring Data JPA, SQL, and Hibernate.Experience with Gradle and Maven for build process automation.Familiarity with Git in a CI/CD model (Experience with Atlassian BitBucket and JIRA is a plus).Strong analytical thinking skills with the ability to troubleshoot and resolve intricate issues.Capability to thrive in an agile delivery environment under deadlines.Bachelor's degree in Computer Science, Systems Engineering, or related field, or equivalent combination of education, 7+ years of relevant work experience, and training.Solid experience working within the Scaled Agile Framework (SAFe 6.x).Experience with Behavior Driven Development using Cucumber and Cypress testing frameworks.Knowledge of designing and developing services following the Twelve-Factor Application Methodology.Hands-on experience with AWS technologies such as EC2, S3, Lambda, Fargate, SQS, SNS, API Gateway, RDS/Aurora, Data Pipeline, CloudWatch, CodeCommit, CodePipeline, CodeDeploy, and CDK or CloudFormation.Understanding of application security vulnerabilities and their mitigation.Share resume to durga@argyllinfotech.