5-7 years of experience in enterprise Java application development on Windows-based VMware infrastructure.
Proficiency in Python programming.
Deep knowledge of Apache Solr with ZooKeeper, including data migration and upgrades.
Experience with Apache Tomcat and Apache Directory Studio.
Familiarity with Oracle 19c database integration and SAP Business Intelligence reporting frameworks.
Strong understanding of secure coding practices for government compliance.
Responsibilities
Plan and execute upgrades for enterprise Java applications in secure environments.
Develop and maintain Java/Python components on VMware infrastructure.
Modernize legacy application code to meet current standards.
Implement secure coding practices in line with government requirements.
Upgrade Apache Solr clusters and manage ZooKeeper coordination.
Migrate and optimize Solr index data during upgrades.
Collaborate with cross-functional teams to ensure seamless upgrades.
Benefits
100% company-paid medical, dental, and vision premiums for employees and eligible dependents.
401(k) plan with immediate vesting and a total of 8% company contribution.
Up to 20 days of flexible paid time off (PTO) and 11 paid floating holidays.
Flexible work schedules, including options for compressed work periods.
Employee referral bonuses up to $10,000.
Full Job Description
Requisition ID: 5105
Standard Title:
Required Security Clearance: Top Secret/SCI with CI Polygraph
Location: Washington, DC
Work Type: Hybrid (On-Site and Remote)
Shift: First
Referral Eligibility: Eligible
U.S. Citizenship Required? Yes
Position Summary
Base-2 Solutions is seeking a Senior Java Developer to modernize a critical government information system. The ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software infrastructures in secure, regulated environments. The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on Windows-based VMware infrastructure. Strong knowledge of Oracle 19c database integration, SAP Business Intelligence reporting frameworks, secure coding practices, and upgrading and migrating Solr index data is essential. Experience with PrimeFaces UI framework is a plus. The candidate will collaborate with cross-functional teams including security, infrastructure, and business stakeholders to ensure seamless upgrades with minimal operational disruption. Essential Duties and Responsibilities
Plan and execute technology stack upgrades for enterprise Java applications in secure government environments.
Develop and maintain Java/Python components on Windows-based VMware infrastructure.
Modernize legacy application code to current standards and best practices.
Implement secure coding practices in compliance with government security requirements.
Upgrade Apache Solr clusters with ZooKeeper coordination.
Migrate and optimize Solr index data during version upgrades.
Manage Apache Tomcat application server configurations and deployments.
Integrate applications with Oracle 19c database systems.
Work with Apache Directory Studio for directory services integration.
Support SAP Business Intelligence reporting framework integrations.
Collaborate with security, infrastructure, and business stakeholder teams.
Ensure minimal operational disruption during system upgrades.
Document technical designs, upgrade procedures, and system configurations.
Participate in code reviews and knowledge-sharing sessions.
Required Qualifications
Expertise in enterprise Java application development on Windows-based VMware infrastructure.
Expertise with Python.
Expertise with Apache Solr with ZooKeeper (including upgrading and migrating Solr index data).
Experience with Apache Tomcat, Apache Directory Studio.
Experience with Oracle 19c/relational database integration.
Experience with SAP Business Intelligence reporting frameworks.
Experience with secure coding practices for government compliance.
Preferred Qualifications
Experience with PrimeFaces UI framework.
Required Education and Experience Equivalency
Bachelor's degree with 9 years of experience.
Master's degree with 7 years of experience.
No degree with 13+.
Required Certifications
None specified.
Required Security Clearance
Active Top Secret/SCI with CI Polygraph
Pay & Benefit Highlights Compensation
Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity).
Employee referral bonuses up to $10,000 per hired referral.
Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent).
Health
100% company-paid medical premiums for employees and eligible dependents.
Choose from multiple plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans.
100% company-paid dental premiums for employees and eligible dependents.
100% company-paid vision premiums for employees and eligible dependents.
Income Protection
100% company-paid premiums for short-term disability.
100% company-paid premiums for long-term disability.
100% company-paid premiums for accidental death & dismemberment (AD&D).
100% company-paid premiums for life insurance up to $200,000.
Retirement
401(k) with immediate vesting: 4% company match plus a 4% non-elective company contribution (8% total).
401(k) pre-tax and Roth options.
Leave
Up to 20 days of flexible paid time off (PTO).
11 paid floating holidays.
Work-Life Balance
Flexible work schedules, including flex time and compressed work periods (contract and project-dependent).
