Senior Websphere Developer/Architect

About the Role

A very Senior WebSphere Developer/Architect with extensive hands-on experience in migrations from traditional WebSphere Application Server (WAS) to Liberty. This role involves implementing, installing, configuring, customizing, upgrading, migrating, developing, or designing Engineering Lifecycle Management (ELM) solutions. You will support the move from non-production to production environments, participate in knowledge sharing for self-sufficiency, and perform ELM health checks, performance analysis, recommendations, and tuning.

Responsibilities

• Work directly with United Airlines application teams to assess and migrate applications from Traditional WAS to Liberty.
• Analyze and remediate application code and configuration issues during migration.
• Provide technical leadership and guidance throughout the migration process.
• Troubleshoot and resolve migration, deployment, and performance challenges.
• Collaborate closely with client stakeholders and IBM delivery teams.
• Document migration approaches, lessons learned, and best practices.
• Deliver knowledge transfer sessions to client teams.

Requirements

• Strong hands-on development experience migrating client application code from Traditional WAS to Liberty.
• Deep expertise with WebSphere Application Server (Traditional WAS).
• Proven Open Liberty / WebSphere Liberty migration experience.
• Strong Java development skills.
• Application modernization and migration experience.
• Hands-on implementation, troubleshooting, performance tuning, and configuration expertise.
• Experience working directly with client application teams in an embedded delivery model.
• Ability to perform knowledge transfer and create technical documentation.
• Strong communication and stakeholder management skills.
• Experience with Transformation Advisor (TA), Application Modernization Accelerator (AMA), and IBM Bob.

Preferred Experience

• Previous experience serving as a Resident Engineer or technical consultant embedded with client teams.
• Experience supporting enterprise-scale Java application modernization initiatives.
• Familiarity with DevOps and CI/CD practices within Java environments.