Senior Java Developer

Location: Reston, VA | Work Type: Hybrid (On-Site and Remote) | U.S. Citizenship Required

About the Role

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, collaborating with cross-functional teams including security, infrastructure, and business stakeholders to ensure seamless upgrades with minimal operational disruption.

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.
• Ensure minimal operational disruption during system upgrades.
• Document technical designs, upgrade procedures, and system configurations.
• Participate in code reviews and knowledge-sharing sessions.

Requirements

• 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 and 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.
• Active Top Secret/SCI with CI Polygraph security clearance.

Qualifications

• Bachelor's degree with 9 years of experience.
• Master's degree with 7 years of experience.
• No degree with 13+ years of experience.

Preferred Qualifications

• Experience with PrimeFaces UI framework.

Benefits

Health

• 100% company-paid medical premiums for employees and eligible dependents (multiple plan options 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).

Additional Perks

• 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).