Senior Application Developer / Java backend developer

Job Title : Senior Application Developer / Java backend developerRate: $60-67/hr on Vendor W2Duration: 18 MonthsLocation: Newark, DE- Remote/Hybrid (3 days onsite required)Submission Guidelines: Must include current and intended location on resume.Position SummaryWe are seeking an Application Architect / Senior Application Developer with strong expertise in Java/J2EE, cloud technologies, Kafka, AI, and Machine Learning, along with experience in monitoring tools like Dynatrace.Key ResponsibilitiesApplication & Development:Design and develop applications using Java/J2EE, Spring, Spring Integration, and RESTful services.Build and manage containerized applications using OpenShift, Kubernetes, and cloud platforms like AWS and Azure.Implement messaging and streaming solutions using Kafka, MQ, and NoSQL databases like Cassandra.Develop front-end interfaces using Angular or React.Write complex SQL queries and Unix/Linux scripts as needed.Automation & DevOps:Work with monitoring and scheduling tools such as Dynatrace, Splunk, Autosys.Ensure code quality using JUnit, Sonar, Crucible, and best practices in CI/CD pipelines.Apply Agile methodology to plan, develop, test, and deploy applications efficiently.Project & Team Work:Collaborate with business and technical teams to deliver high-quality software solutions.Contribute to architecture discussions and technology strategy.Assist in mentoring junior developers and providing technical guidance.Required Skills / Must-HavesJava/J2EE, Spring, Spring Boot, WebSphereOracle backend and SQLKafka, MQ, RESTful services, WS-SecurityOpenShift, Kubernetes, containerizationExperience with cloud platforms: AWS, AzureUnix/Linux scriptingTools: Eclipse, IntelliJ, Splunk, Dynatrace, AutosysFront-end: Angular, ReactCode quality tools: JUnit, Sonar/CrucibleDesired / Nice-to-Have SkillsAI / Machine Learning integration experienceExperience with NoSQL databasesAdvanced monitoring and application performance tuningFamiliarity with security/authentication mechanisms like JWT, SSL certificates, and session managementTechnical Questions / Sample TopicsProgramming & Development:Sort an array by the first character while maintaining insertion order for duplicates.Read a text file and count increments/decrements in numeric values per line.Merge and sort two integer arrays.Write logic to sort transactions by amount.SQL queries to find repeating records.Application & Architecture:How Spring Security worksGit commands: clone, rebase, etc.Logging levels and creating custom logging levelsMQ: queues, topics, and message handlingSecurity & Authentication:JWT authentication and verificationSession expiration handling and renewalSSL certificate usage and validationKubernetes / Cloud:Basic concepts and deployment strategiesContainerization best practicesInterested candidates send your resume to alex@amtexenterprises.comJ-18808-Ljbffr