J2EE Developer, Legacy Application Modernization

Location: Primarily remote with occasional onsite support at Fort Belvoir, Virginia, United States; onsite support is currently estimated once every few weeks.

Salary: $100,000–$150,000 per year.

Company

hirify.global delivers outsourced services and workforce solutions across North America, supporting critical client work and providing eligible employees with health and welfare benefits.

What you will do

• Analyze and document business rules, application behavior, database logic, interfaces, dependencies, ETL jobs, and scheduled batch processes in a legacy Java EE environment.
• Document dependencies across database schemas, external integrations, scheduled jobs, and NIPR and SIPR Data Guard replication paths.
• Translate legacy data-transformation and business logic into actionable technical documentation for Palantir Foundry pipeline engineers.
• Support source-to-target reconciliation by explaining differences between legacy-system and target-platform outputs.
• Collaborate with Oracle DBAs, data engineers, application developers, testers, security personnel, and program stakeholders.
• Contribute to migration, cutover, validation, and legacy-system decommissioning planning.

Requirements

• Hands-on experience developing, maintaining, or analyzing enterprise Java EE or J2EE applications.
• Experience with JSP, Servlets, EJB, JDBC, JNDI, JMS, DAO patterns, and MVC Model 2 architecture.
• Experience with WebLogic, WebSphere, JBoss, Tomcat, Oracle Application Server, or a comparable enterprise Java application server.
• Experience developing or analyzing Oracle SQL and PL/SQL, including stored procedures, packages, triggers, views, or related database objects.
• Experience working with established or undocumented enterprise codebases and identifying embedded business rules, system behavior, and application dependencies.
• Working knowledge of ETL, ELT, and batch-processing concepts, including scheduled synchronization jobs and materialized-view refresh patterns.
• Experience documenting application architecture, database schemas, interfaces, business rules, and system dependencies.
• Experience supporting legacy application modernization, migration, transition, or decommissioning efforts, with the ability to communicate legacy application logic in actionable technical terms.
• Active Secret security clearance.
• Ability to provide occasional onsite support at Fort Belvoir, Virginia, currently estimated once every few weeks.

Nice to have

• Experience with Oracle Data Integrator, Oracle Data Transforms, OCI Data Integration, Informatica, CloverETL, or another enterprise data-integration platform.
• Experience supporting Oracle 19c applications or databases and Oracle Data Guard or applications operating across NIPR and SIPR environments.
• Exposure to Army personnel, force-management, or logistics systems, including IPPS-A, GFM DI, or TAADS.
• Experience with source-to-target data reconciliation and explaining differences between legacy and target-system output.
• Experience collaborating with Palantir Foundry engineers or supporting migration into another modern data platform.
• Basic Python, Bash, or shell-scripting experience for validation, analysis, or bridge tooling.
• Experience supporting DoD, Army, federal, or similarly regulated systems.

Culture & Benefits

• Primarily remote work with occasional onsite support.
• Eligible employees may receive medical, dental, and vision coverage.
• Benefits may include spending accounts, life insurance, voluntary plans, and participation in a 401(k) plan.
• Work supports an Army data migration and application modernization initiative.