Senior Java Engineer – Open Liberty, End-to-End Delivery

SubscribeIT Solutions; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

SubscribeIT Solutions seeks a mid-to-senior Java developer to own features end-to-end in a production system. You will work with Open Liberty, Jakarta EE, and a modern CI/CD stack while collaborating with a remote delivery team.

You will design and tune the JVM, manage SQL schemas, and drive testing across DEV/QA/UAT, including UAT planning with business users when QA resources are limited. This role emphasizes strong communication and ownership.

Qualifications

• Mid- to senior-level Java developer with 10–15 years of production systems experience.
• Must have Java and Open Liberty expertise.
• Strong, current Java development experience.
• Deep Open Liberty server configuration, deployment and runtime troubleshooting.
• Solid knowledge of Jakarta EE / Java EE building blocks (Servlets, JAX-RS, JPA, JMS, CDI, EJB where applicable).
• Experience with JVM tuning, thread-dump/heap-dump analysis and basic performance triage.
• Solid relational database engineering skills: SQL, query tuning, indexing, transactions.
• Ownership of backlog items end-to-end and testing across DEV/QA/UAT.
• Familiar with test-data setup, regression coverage and verifying fixes against a real DB; able to execute UAT plans with business users if QA is unavailable.
• Delivery mindset with strong written and verbal communication; experience in remote, distributed teams; Git workflows; CI/CD concepts.

Responsibilities

• Take a backlog item from requirements through delivery without daily supervision.
• Self-sufficient in testing: unit, integration, and structured end-to-end tests across DEV/QA/UAT.
• Define and execute test data setups, regression coverage, and verify fixes against a real database.
• Define and execute UAT plans with business users when no dedicated QA is available.
• Engage with business stakeholders in leasing / supply chain context.
• Collaborate in a remote, distributed delivery team environment.
• Maintain source control discipline (Git), branch-merge workflows, and code reviews.
• Operate within existing CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions).

Skills

Java

Jakarta EE

REST APIs

JVM tuning

SQL

CI/CD

Git

Troubleshooting

Deployment

Tools

Open Liberty

Git

Jenkins

GitLab CI

Job description

SubscribeIT Solutions seeks a mid-to-senior Java developer to own features end-to-end in a production system. You will work with Open Liberty, Jakarta EE, and a modern CI/CD stack while collaborating with a remote delivery team.

You will design and tune the JVM, manage SQL schemas, and drive testing across DEV/QA/UAT, including UAT planning with business users when QA resources are limited. This role emphasizes strong communication and ownership.