Senior Java Developer

Base-2 Solutions

Maryland

Hybrid

USD 150,000 - 190,000

Full time

8 hours ago

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Benefits offered by this job

Health insurance

401(k) with match

Paid time off

Life insurance

Job 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 development and upgrading complex software in secure, regulated environments, including Solr with ZooKeeper, Tomcat, Directory Studio, and Oracle 19c integrations.

You will plan and execute upgrades across the technology stack, collaborate with security, infrastructure, and business stakeholders, and ensure minimal operational

Qualifications

Must have enterprise Java development experience in Windows-based VMware environments.
Proficiency in Python and secure coding practices for government/compliant systems.
Experience upgrading Solr clusters with ZooKeeper and data migration.
Proven ability to integrate with Oracle 19c databases and SAP BI reporting tools.

Responsibilities

Plan and execute technology stack upgrades for enterprise Java applications in secure environments.
Develop Java/Python components on Windows-based VMware infrastructure.
Modernize legacy code to current standards and secure coding practices.
Migrate and optimize Solr index data during upgrades while coordinating with security teams.
Manage Tomcat configurations and deployments and integrate with Oracle 19c.

Skills

Java development

Python

Solr with ZooKeeper

Tomcat

Directory Studio

Oracle 19c

SAP BI reporting

Secure coding practices

Windows VMware

Education

Bachelor's degree + 9 years

Master's degree + 7 years

No degree + 13+ years

Tools

Apache Solr

ZooKeeper

Apache Tomcat

Apache Directory Studio

Windows VMware

Job description

Required Security Clearance: Top Secret/SCI with CI Polygraph
Location: Annapolis Junction, MD
Work Type: Hybrid (On-Site and Remote)
Shift: First

Requisition ID: 3948
Standard Title:
Required Security Clearance: Top Secret/SCI with CI Polygraph
Location: Annapolis Junction, MD
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