Sr. Java Developer - Struts Migration

Our Client which is a large Investment Bank is urgently looking to hire a Sr. Java Developer – Struts Migration experience.

Sr. Java Developer - Struts Migration

Number of Positions: 2

Location: Jersey City, New Jersey

3 Days Hybrid every week.

Face to Face Interview is required.

Skills – Java, Struts Migration, Java to Jakarta namespace migration, Hibernate, EJB, Websphere, ANT.

We are looking for a hands-on Java Developer with deep experience in Apache Struts and enterprise Java migrations to join our client''s application development team.

As a candidate will be stepping into an active, in-progress migration — 6 of 17 modules have already been completed, and established patterns are in place. Your mission is to carry that work across the finish line. This is a technical execution role — ideal for someone who thrives on structured, well-scoped engineering work and takes pride in clean, validated, production-ready output.

The selected candidate will be working on financial web platform spans which 9+ repositories and is built on Apache Ant + Ivy, deployed to IBM WebSphere.

Client will be migrating from Struts 2.5.x to Struts 7.x, which includes the full javax - jakarta EE namespace transition.

You will own the remaining 11 of 17 modules, working from established migration patterns already proven across the completed modules.

Responsibilities

·       Execute module migrations — follow established patterns from the 6 completed modules to migrate the remaining 11 from Struts 2.5.x to Struts 7.x

·       Perform Java to Jakarta namespace migration across Java source files — servlet filters, EJB beans, mail utilities, and action classes

·       Update Struts XML configurations — migrate DTD references and validate action/interceptor/result mappings for Struts 7 compatibility

·       Update web.xml deployment descriptors per module to the Jakarta EE schema .

·       Upgrade transitive dependencies — Hibernate, Jackson, Bouncy Castle, and commons-fileupload as required per module.

·       Validate JSP compatibility — confirm Struts taglibs render correctly under Struts 7.

·       Build, test, and validate each module in non-production environments before sign off.

·       Document all changes, decisions, and any module-specific issues encountered.

Qualifications

·       IT Industry Experience – 10 + Years.

·       3+ years of hands-on Java development experience (Java 11 or 17).

·       Solid experience with Apache Struts 2.x — ActionSupport, ServletActionContext, interceptors, OGNL, and Struts XML configuration.

·       Practical understanding of the Jakarta EE namespace migration (javax.servlet , jakarta.servlet, javax.ejb , jakarta.ejb, etc.) — including the non-obvious edge cases.

·       Experience with Enterprise JavaBeans (EJB) specifically the Home / Local / Remote interface pattern.

·       Proficiency with Apache Ant + Apache Ivy build systems.

·       Experience deploying to IBM WebSphere Application Server (traditional and/or Liberty.)

·       Working knowledge of Hibernate ORM (5.x and/or 6.x).

·       Ability to work with JSP and Struts tag libraries.

·       Experience with CVE remediation in enterprise Java applications.

·       Experience migrating commons-fileupload (1.x ? 2.x / Jakarta variant).

·       Knowledge of Jackson databind and Bouncy Castle library upgrade patterns

·       Experience in Red Hat Enterprise Linux environments.

·       Familiarity with SQL Server JDBC drivers and Apache Hadoop/Hive JDBC connectivity

·       Prior work in financial services or other regulated industries.

·       Experience with AI-assisted development tools (e.g., GitHub Copilot, Devin) for accelerating mechanical refactoring tasks.

·       Familiarity with GEM vulnerability scanning or equivalent enterprise security tooling.