Top Software Engineer Jobs in Washington DC,

Develop and maintain Applicant, Reviewer, Metadata Manager, and Admin Drupal portals (frontend and backend). Implement accessible, role-based UIs consistent with NSF/USWDS standards; build Drupal 10 custom modules, forms, APIs, workflows, and integrations; support metadata ingestion, data modeling, monitoring, and production stability. Collaborate with UX, product, database engineers, and mentor junior engineers.

The Senior Software Engineer will build and maintain foundational services and SDKs, optimize functionality, and collaborate on product solutions using Kotlin.

Support software design, development, testing, and maintenance for a NAVSEA program office. Contribute to coding, debugging, and technical documentation under senior direction while following engineering processes and standards. Work supports classified programs requiring DoD Secret clearance.

Lead the frontend of a large healthcare application using TypeScript and React. Guide architecture, conduct code reviews, enforce test-first practices, and embed WCAG/Section 508 accessibility. Integrate AI coding assistants, collaborate on RESTful API integration with backend teams, mentor engineers, and participate in Agile planning and release readiness for a customer-facing product serving millions.

Senior mobile engineer to design, develop, test, and maintain enterprise mobile apps with offline-first, peer-to-peer, and cloud-integrated capabilities. Integrate with APIs and cloud services, optimize performance, extend native iOS features, implement secure data protection, and troubleshoot across the mobile stack while collaborating with cloud, AI, security, and engineering teams.

Design, build, and maintain cloud-native full-stack applications and backend services that support investment risk analysis. Own end-to-end delivery, contribute to architecture, apply automated testing and CI/CD, collaborate with stakeholders, reduce technical debt, and ensure reliable, observable data and analytics for portfolio risk and simulations.

The Mongo Database Engineer will design and implement database solutions, enhance security, lead automation processes, and optimize database structures, contributing to national security initiatives.

Develop and implement Salesforce solutions for consulting engagements, including Apex code, complex Lightning Web Components, Visualforce, Flows, and real-time or batch integrations. Collaborate with architects, business analysts, and delivery teams to design solutions using REST, SOAP, Bulk APIs, and integration platforms. Apply Salesforce object-model, governor-limit, and development best practices while supporting project delivery. The role requires at least one year of experience, U.S. citizenship, and the ability to obtain and maintain a Secret clearance.

Develop and maintain front-end applications using HTML5, CSS3, and JavaScript with frameworks (AngularJS, Polymer). Build reusable components, integrate with APIs, implement authentication (basic/OAuth/SAML), ensure web security (XSS/clickjacking), use build tools (Grunt/Gulp), version control (Git), and front-end testing (Protractor, Karma, Jasmine/Mocha).

Provide 24x7 production and non-production Microsoft SQL Server DBA support including installation, configuration, patching, backups, recovery, performance tuning, capacity planning, migrations, change management, SSIS/SSRS development, T-SQL coding, security and technical documentation within an Agile, multi-tenant environment.