Java Developer- Arizona -Only W2/1099

Role : Senior Java Developer

Location : Scottsdale, AZ (100% Onsite)

Contract

Only W2/ 1099

Key Responsibilities:

Design, develop, and maintain enterprise Java applications using Java 17 and Spring Framework 6.2+.

Configure and manage IBM WebSphere and/or JBoss Application Server environments.

Implement and manage IBM MQ for messaging and integration.

Manage and perform CI/CD deployment activities for applications built on Java Spring Boot, Enterprise Java, and Oracle DB running on Linux platforms.

Work with Oracle Databases for data modeling, query optimization, and performance tuning.

Administer and troubleshoot RHEL 8.x environments for application deployment and system stability.

Understand and manage dependencies across technology stacks, including SSL and Machine Certificates, and ensure proper interaction between servers and understand whether Kerberose wold be good.

Execute application tests using provided scripts and manual tools such as SOAP UI and Postman.

Investigate and analyze server logs on Splunk to resolve environment-related issues, including certificate mismatches and networking problems.

Understands how F5 Big-IP Load Balancers, including networking and traffic management works.

Collaborate with cross-functional teams to ensure secure, scalable, and high-performing solutions.

Provide technical leadership, code reviews, and mentorship to junior team members.

Ensure compliance with best practices for security, performance, and maintainability.

Required Skills & Qualifications:

8 12 years of experience in Java Spring Boot, Enterprise Java, development.

Strong hands-on experience with CI/CD pipelines and deployment automation.

Experience with SOAP UI and Postman for API testing and have knowledge of automating testing to reduce time.

Strong knowledge of Oracle DB, including WebSphere and/or JBoss.

Proficiency in Java 17 and Spring Framework 6.2+.

Hands-on experience with IBM MQ messaging systems.

Familiarity with Splunk for logging and monitoring.

Knowledge of SSL/TLS certificates, machine certs, and Kerberos authentication.

Ability to troubleshoot environment-related issues using server logs and networking tools.

Strong attention to detail and ability to track security compliance metrics.

Good understanding of RHEL 8.x Linux environments.

Exposure on F5 Big-IP Load Balancing and networking management.

Excellent problem-solving and communication skills.

in Linux (RHEL) environments; familiarity with Windows + .NET is a plus