Back to jobs

Full-Stack Developer (Java / PostgreSQL)

Guidehouse

WA · Engineering

Guidehouse is seeking a Full-Stack Developer (Java / PostgreSQL) to support a federal law enforcement technology modernization program. The role involves developing, modernizing, testing, deploying, and sustaining mission-critical enterprise applications in a highly secure environment. Responsibilities cover the full application stack, including Java backend services, RESTful APIs, PostgreSQL databases, and responsive front-end interfaces.

Job description

Job Family : Software Development & Support Travel Required : Up to 10% Clearance Required : Active Top Secret (TS)

What You Will Do

  • Guidehouse is seeking a Full-Stack Developer (Java / PostgreSQL) to support a federal law enforcement technology modernization program.
  • The successful candidate will develop, modernize, test, deploy, and sustain mission-critical enterprise applications operating within a highly secure environment.The developer will contribute across the full application stack, including database design, backend services, RESTful APIs, frontend user interfaces, automated testing, security implementation, and DevSecOps integration.
  • This role supports modernization initiatives leveraging PostgreSQL, Java, and contemporary web technologies while ensuring application reliability, performance, and security compliance.

Responsibilities

  • Design, develop, test, deploy, and maintain enterprise applications supporting mission operations.
  • Design and develop Java-based backend services and RESTful APIs.
  • Develop responsive front-end applications using React, Angular, Vue, or similar frameworks.
  • Design and optimize PostgreSQL databases and application data models.
  • Implement authentication, authorization, auditing, and secure application controls.
  • Perform data migration, validation, and reconciliation activities.
  • Develop and support automated testing capabilities throughout the software lifecycle.
  • Support CI/CD pipelines and DevSecOps practices.
  • Troubleshoot production issues and optimize application performance.
  • Create technical documentation, design artifacts, and deployment guides.
  • Collaborate with architects, cybersecurity personnel, testers, database administrators, and stakeholders to deliver complete technical solutions.
  • Required Qualifications U.S. Citizenship.
  • Active TS-SSBI or TS/SCI clearance.
  • Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical field.
  • Equivalent experience may be considered.
  • Minimum FOUR (4) years of experience working across the full application stack, including: Database design Backend development API development Front-end development Security implementation Automated testing DevSecOps integration Experience with PostgreSQL, Java, and modern web technologies.
  • Experience designing and developing Java-based backend services and RESTful APIs.
  • Experience developing responsive front-end applications using React, Angular, Vue, or similar frameworks.
  • Experience performing data migration, validation, and reconciliation activities.
  • Experience troubleshooting production issues and improving application performance.

Preferred Qualifications

  • Five or more years of enterprise software development experience.
  • Experience modernizing legacy enterprise applications.
  • Experience with Spring Boot, Hibernate, or JPA.
  • Experience with PostgreSQL performance tuning.
  • Experience with Docker and Kubernetes.
  • Experience with AWS or Azure.
  • Experience implementing CI/CD pipelines.
  • Experience with secure code scanning and DevSecOps tooling.
  • Experience developing, modernizing, and supporting enterprise software solutions within federal government environments.
  • The annual salary range for this position is $98,000.00-$163,000.00.

Compensation

decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

What We Offer

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits

  • include: Medical, Rx, Dental & Vision Insurance Personal and Family Sick Time & Company Paid Holidays Parental Leave 401(k) Retirement Plan Group Term Life and Travel Assistance Voluntary Life and AD&D Insurance Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts Transit and Parking Commuter Benefits Short-Term & Long-Term Disability Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities Employee Referral Program Corporate Sponsored Events & Community Outreach Care.com annual membership Employee Assistance Program Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
  • Position may be eligible for a discretionary variable incentive bonus About Guidehouse Guidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.
  • Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.
  • If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com .
  • All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.
  • All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com .
  • Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse.
  • Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event.
  • Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.
  • If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline.
  • If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com .
  • Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.
  • Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies.
  • All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.

Similar open roles