Full Stack Developer - Senior

Job Family:Software Development & Support (Digital)Travel Required:Up to 10%Clearance Required:Active Top Secret SCI (TS/SCI)What You Will Do: Guidehouse is seeking a skilled Senior Full Stack Developer to support the Federal Discovery Program and its associated technology. This role supports modernization of legacy Oracle APEX applications and functionality into a modern architecture using PostgreSQL, Java, and contemporary web technologies.ResponsibilitiesImplement authentication, authorization, auditing, and application security controls.Perform data migration, validation, reconciliation, and database schema conversion activities.Develop unit, integration, system, and user acceptance test support.Support CI/CD pipelines, automated deployments, containerized deployments, and DevSecOps practices.Troubleshoot production issues and optimize application performance.Produce technical documentation, design artifacts, user documentation, and deployment guides.Collaborate with architects, database administrators, cybersecurity personnel, testers, and business stakeholders to deliver complete application functionality as scheduled.What You Will Need:U.S. Citizenship.Active Top Secret clearance with SSBI at the time of proposal; TS/SCI eligibility as specified; ability to comply with FBI security requirements.Proficiency in modern full‑stack web development technologies, including HTML, CSS, JavaScript,undefinedExperience with front‑end frameworks such as React and supporting libraries.Minimum of three years of enterprise software development experience.Experience with relational databases including PostgreSQL and Oracle, with competency in writing optimized queries.Proficiency with version control using Git, including experience with GitLab or GitHub.Experience working with Agile methodologies, including iterative development, sprint planning, and ongoing refinement of functional requirements and underlying architectural frameworks.What Would Be Nice To Have:Spring Boot and Hibernate/JPA experience.PostgreSQL administration and performance tuning experience.Liquibase or Flyway experience for database migration/version management.undefinedJenkins, GitLab CI/CD, or Azure DevSecOps experience.SonarQube, Fortify, Aquasec or other secure code scanning tool experience.OAuth2, SAML, or OpenID Connect experience.Federal government modernization experience.Experience delivering production-ready releases, deployment packages, and technical/user documentation.Experience with containerized deployments; Docker and Kubernetes preferred.Familiarity with cloud environments such as AWS, Azure, or similar.Experience with Oracle APEX and Oracle PL/SQL modernization.Experience designing and implementing scalable, distributed microservices architectures.Keycloak Identity and Access Management experience.The annual salary range for this position is $113,000.00-$188,000.00. 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 InsurancePersonal and Family Sick Time & Company Paid HolidaysParental Leave401(k) Retirement PlanGroup Term Life and Travel AssistanceVoluntary Life and AD&D InsuranceHealth Savings Account, Health Care & Dependent Care Flexible Spending AccountsTransit and Parking Commuter BenefitsShort-Term & Long-Term DisabilityTuition Reimbursement, Personal Development, Certifications & Learning OpportunitiesEmployee Referral ProgramCorporate Sponsored Events & Community OutreachCare.com annual membershipEmployee Assistance ProgramSupplemental 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 bonusAbout GuidehouseGuidehouse 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 View phone number on click.appcast.io or via email at View email address on click.appcast.io. 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 View email address on click.appcast.io. 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 View email address on click.appcast.io. 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.SummaryLocation: US - DC, WashingtonType: Full time