Senior Java Developer

We are seeking a highly experienced Senior Java Developer to support the design, development, and maintenance of mission-critical web-based applications. The selected candidate will provide hands-on technical leadership and engineering expertise throughout the full Software Development Life Cycle (SDLC), leveraging modern Java technologies, Spring Boot frameworks, DevSecOps practices, and CI/CD automation. This role will also evaluate, recommend, and implement AI-enabled capabilities where appropriate and compliant with security and governance standards.

The ideal candidate is a senior-level technologist with extensive experience developing enterprise applications, integrating complex systems, supporting production environments, and driving modernization initiatives in highly regulated environments.

MEANINGFUL WORK AND PERSONAL IMPACT

Key Responsibilities:

• Design, develop, test, enhance, and maintain enterprise web applications using Java, Spring Boot, and related technologies.
• Develop scalable, secure, and maintainable application architectures aligned with business and technical requirements.
• Implement and support RESTful APIs and SOAP-based services as required for internal and external system integrations.
• Participate in system design reviews, code reviews, and technical solution assessments
• Apply DevSecOps principles throughout the development lifecycle.

• Design, implement, and maintain CI/CD pipelines using Jenkins and/or GitLab.
• Automate build, testing, deployment, and release management processes.
• Integrate automated quality assurance measures, including:
  • Unit testing
  • Integration testing
  • Code quality analysis
  • Security validation
• Implement and maintain security controls within pipelines, including:
  • Static Application Security Testing (SAST)
  • Dynamic Application Security Testing (DAST)
  • Dependency and vulnerability scanning
• Promote secure coding practices and ensure compliance with enterprise security standards.
• Design and optimize database interactions using relational database technologies and SQL.
• Manage database schema versioning and deployment processes using Flyway.
• Develop migration strategies, baseline configurations, and rollback procedures where applicable.
• Collaborate with database administrators and architects to ensure application performance and data integrity.
• Troubleshoot application issues across development, testing, and production environments.
• Perform root cause analysis and implement long-term corrective actions.
• Monitor application performance and identify opportunities for improvement.
• Support incident response, operational stability, and continuous service availability.
• Support enterprise integration initiatives, including Commercial Off-The-Shelf (COTS) product integrations.
• Collaborate with architecture, infrastructure, security, and operations teams to ensure successful solution delivery.
• Participate in Agile ceremonies including sprint planning, backlog refinement, daily standups, retrospectives, and reviews.
• Prepare and maintain technical designs, deployment documentation, and operational procedures.
• Evaluate opportunities to incorporate AI-enabled capabilities into enterprise applications.
• Assist in the implementation of AI-based solutions such as:
  • Intelligent automation
  • Content summarization and classification
  • Predictive analytics
  • Anomaly detection
  • AI-assisted decision support

WHAT YOU’LL NEED TO SUCCEED:

Education:

• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical field (or equivalent experience).

Required Experience:

• 18+ years of hands-on software development experience, lead level
• Senior-level, hands-on experience developing Java-based web applications.
• Strong expertise with:
  • Java (Java 8+)
  • Spring Boot
  • Spring Framework ecosystem
  • REST API development and integration
  • SOAP services and integrations
  • Relational databases and SQL
  • Flyway database migration/version control
  • Jenkins and/or GitLab CI/CD pipelines
• Demonstrated experience implementing DevSecOps practices, including automated build, test, deployment, and security processes.
• Experience supporting and maintaining production applications in large-scale enterprise environments.
• Strong understanding of application security principles and secure coding practices.
• Experience troubleshooting complex technical issues and conducting root cause analysis.
• Ability to work independently on complex technical initiatives with minimal supervision.
• Excellent verbal, written, and interpersonal communication skills.

Technical Skills:

Required:

• Java
• Spring Boot
• Spring Security
• REST APIs
• SOAP Web Services
• SQL
• Flyway
• Jenkins
• GitLab CI/CD
• DevSecOps
• Git Version Control
• Unit and Integration Testing
• Secure Coding Practices

Preferred Qualifications:

·        Preferred Industry Experience: USPS, Federal Government, Postal Services, or other highly regulated enterprise environments.

• USPS or Postal Services domain experience (strongly preferred).
• Experience integrating AI services, machine learning capabilities, or generative AI features within enterprise applications.
• Experience with Commercial Off-The-Shelf (COTS) product integrations.
• Experience supporting enterprise modernization and digital transformation initiatives.
• Experience working in highly regulated environments, including federal government organizations.
• Familiarity with containerization and cloud-native deployment technologies, including:
  • Docker
  • Kubernetes
• Experience with enterprise architecture standards and governance frameworks.
• Knowledge of application performance monitoring and observability tools.

Technical Skills:

Preferred:

• Docker
• Kubernetes
• AI/ML Integration
• Enterprise Middleware
• COTS Integration
• Cloud-Native Architectures
• Performance Monitoring Tools

Security Clearance Level:

• Ability to obtain and maintain a Public Trust clearance and successfully pass a thorough Government background screening process requiring the completion of detailed forms and fingerprinting.
• This position has a U.S. residency requirement. The USPS security clearance process requires the selected candidate to have resided in the U.S. (including U.S. Territories) for the last five years as follows:
  • U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 6 months consecutively in the last 3 years (unless they meet certain exceptions).
  • Non-U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 90 days consecutively in the last 3 years.

Location:

• Remote

GDIT IS YOUR PLACE:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

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