Sr. Java Developer

Zachary Piper

Washington, DC, United States

22 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Compensation

$150,000.0 - $210,000.0

Working hours

Regular working hours

Job source

www.clearancejobs.com

Tech stack

Java (Programming Language) Microsoft Windows Apache HTTP Server Apache Tomcat Application Integration Architecture Application Performance Management Systems Engineering Cluster Analysis Configuration Management Code Review Information Systems Databases

+36 more

System Configuration Continuous Integration Data Integration Relational Databases Middleware Java Platform Enterprise Edition (J2EE) Intelligence Analysis Python (Programming Language) Lightweight Directory Access Protocols (LDAP) Windows Servers Oracle Databases Oracle (Applications) Performance Tuning SAP BI Accelerator SAP Business Suiteing Secure Coding Software Deployment Software Engineering Apache Solr SQL Databases Systems Architecture Systems Integration Management of Software Versions VMware Infrastructure Apache Zookeeper Primefaces Enterprise Software Applications Software Security Fastapi Information Technology Deployment Automation Enterprise Integration Code Restructuring Devsecops Service Stack Vmware

Job description

Zachary Piper Solutions is seeking an experienced to support the modernization of a mission-critical government information system. This role will lead enterprise application modernization efforts, technology stack upgrades, and complex system integrations supporting secure government environments. The ideal candidate brings deep expertise in enterprise Java development, Apache Solr, application modernization, and secure software engineering within highly regulated environments. This is a , and candidates must be able to work on-site in either

Lead the modernization, enhancement, and maintenance of enterprise Java and Python applications, including planning and executing technology stack upgrades, refactoring legacy code, implementing secure coding practices, and recommending improvements for application performance, scalability, and maintainability.
Administer, upgrade, and optimize enterprise application infrastructure, including Apache Solr (clustering, Zookeeper, version upgrades, index migration, and optimization), Apache Tomcat deployments, Oracle 19c database integrations, Apache Directory Studio integrations, SAP Business Intelligence reporting frameworks, and Windows-based VMware environments.
Troubleshoot and resolve complex application, database, middleware, and infrastructure issues while supporting testing, validation, deployment, and production operations across multiple environments.
Collaborate with security, infrastructure, database, and business stakeholders to successfully deliver modernization initiatives, coordinate upgrades with minimal operational impact, participate in code reviews, promote development best practices, and maintain technical documentation, architecture diagrams, deployment procedures, and system configurations.

Requirements

13+ years of experience in software development, systems engineering, information technology, or a related technical field with comparable responsibilities.
Bachelor’s degree may substitute for 4 years of experience; Master’s degree may substitute for 6 years of experience.
Expert-level experience developing enterprise Java applications with strong Python development experience.
Experience developing and supporting applications on Windows-based VMware infrastructure.
Deep expertise with Apache Solr and Zookeeper, including Solr administration, clustering, version upgrades, index migration, and optimization.
Experience administering Apache Tomcat, integrating applications with Oracle 19c and relational databases, supporting Apache Directory Studio integrations, and maintaining SAP Business Intelligence reporting frameworks.
Strong knowledge of secure software development practices, government security compliance requirements, troubleshooting, analytical problem-solving, and technical communication. *
Desired
Experience with PrimeFaces, DevSecOps practices, automated deployment pipelines, and large-scale government modernization initiatives within classified or highly regulated environments., Keywords: Java, J2EE, Enterprise Java, Python, Software Development, Application Development, Application Modernization, Legacy Modernization, Secure Software Development, Secure Coding, Enterprise Applications, Systems Engineering, Windows Server, Windows-based VMware, VMware, Apache Solr, SolrCloud, Solr Administration, Solr Clustering, Solr Index Migration, Solr Optimization, Solr Upgrades, Apache Zookeeper, Apache Tomcat, Tomcat Administration, Apache Directory Studio, LDAP, Directory Services, Oracle 19c, Oracle Database, SQL, Relational Databases, SAP Business Intelligence, SAP BI, Business Intelligence Reporting, Enterprise Integration, Middleware, System Integration, Performance Optimization, Scalability, Troubleshooting, Root Cause Analysis, Software Upgrades, Technology Stack Upgrades, Code Refactoring, Application Deployment, Configuration Management, Production Support, Testing, Validation, Code Reviews, Technical Documentation, System Architecture, Deployment Procedures, Government Systems, Federal Programs, Classified Environment, DevSecOps, CI/CD, PrimeFaces, TS/SCI, CI Poly, Polygraph

Benefits & conditions

Salary Range: $$150,000 - $210,000 depending on experience
Comprehensive Benefits: Cigna Medical, Dental, Vision, 401k Plan, PTO, Holidays, Sick Leave if required by law