Top Javascript Jobs in Washington, DC

Work on customer-facing, high-impact projects as an intern FDSE: design and implement data-driven solutions, wrangle large-scale data, build web apps, discuss architecture, and own end-to-end execution while collaborating with technical and non-technical stakeholders. May require travel and US government background checks.

Develop and deploy full-stack, geospatial software solutions for strategic defense and security customers. Own the full lifecycle from discovery through delivery, integrate cloud infrastructure and CI/CD pipelines, translate customer challenges into technical requirements, identify reusable platform patterns, and use AI tooling for rapid iteration. The role involves customer collaboration, mentoring, code reviews, and supporting critical commitments while working hybrid in Arlington, Virginia, and traveling 30–50% to regional customer sites.

Own and build a ServiceNow platform within a secure federal enclave, including provisioning, configuration, security hardening, integrations, MID Servers, authentication, upgrades, and compliance readiness. Support ITSM and CMDB implementations, maintain documentation and administration standards, and coordinate with security, infrastructure, and program stakeholders. The role requires strong JavaScript and ServiceNow scripting expertise, federal security framework familiarity, and experience with Agile delivery.

Design, develop, test, and deploy ServiceNow solutions across CMDB, ITSM, Service Catalog, workflows, custom applications, and integrations. Configure CSDM-aligned CMDB models, Discovery, reconciliation rules, governance, and data quality practices. Build JavaScript-based automations, REST/SOAP integrations, and catalog functionality. Collaborate with federal clients, translate business needs into technical designs, support Agile delivery, and maintain testing, release, and technical documentation.

Perform systems engineering and integration for complex intelligence mission systems at NRL. Responsibilities include experimental prototyping, CONOPS and requirements development, system-to-system integration, data automation, testing, operational transition, acquisition strategy support, schedule monitoring, and risk identification. The role requires extensive intelligence analysis, Collection Management and Multi-INT experience, NRO enterprise software expertise, data science and programming knowledge, and an active TS/SCI clearance with polygraph.

Develop and maintain database-driven applications using PL/SQL, Oracle, and Microsoft SQL Server. Responsibilities include researching legacy code, creating and modifying PL/SQL packages, performing component testing, reviewing performance requirements, supporting application architecture, and resolving Tier 3 user tickets. The role requires collaboration within Agile development teams and participation in application enhancements, refactoring, and new application design.

Develops and supports Drupal and other CMS web applications across front-end, back-end, database, API, and deployment layers. Responsibilities include custom Drupal modules and themes, SQL optimization, REST/JSON integrations, accessibility, QA, security scanning, CI/CD deployment with Ansible, content publishing support, troubleshooting, documentation, and ensuring accurate metadata and product-data flows across systems.

Develop, maintain, and support Drupal and WordPress web applications, custom content management systems, APIs, and database integrations. Responsibilities include PHP and front-end development, SQL optimization, QA, accessibility, security scanning, CI/CD deployment with Ansible, troubleshooting publishing workflows, metadata validation, documentation, and collaboration with development, information management, QA, and security teams.

Develop and maintain accessible, responsive front-end interfaces using modern JavaScript frameworks, HTML5, CSS3, and REST APIs. Build Drupal themes, reusable components, and design systems while ensuring Section 508 and WCAG compliance. Optimize performance, testing, security, and cross-browser compatibility. Collaborate with technical and stakeholder teams, maintain documentation, participate in CI/CD and code reviews, and mentor junior developers. The role requires eligibility for Public Trust clearance and U.S. citizenship.

Deploys, operates, and maintains Palantir software across production environments. Responsibilities include monitoring, alerting, configuration management, upgrades, troubleshooting distributed systems, improving reliability and scalability, automating manual workflows and runbooks, and developing infrastructure solutions using Foundry and Apollo. The intern collaborates across technical teams, owns infrastructure projects, and works with cloud infrastructure, storage systems, and observability tools.

Develop and maintain automated testing frameworks and scripts using Selenium and Python, integrating generative AI and LLM solutions with existing test automation systems. Execute functional, regression, performance, and security tests; integrate testing into CI/CD pipelines; analyze results; maintain test environments; and collaborate with developers. Train team members, create documentation, and support Agile/Scrum activities while ensuring solutions comply with USPS security and technical requirements.

Build and maintain automated API tests for REST and SOAP services, validating functional equivalence between webMethods and Kong APIs. Integrate tests into CI/CD pipelines, test authentication and security controls, perform smoke testing after releases, organize traceable test data and results, and report defects. The role requires 1–2 years of QA, software testing, or API development experience, programming skills, and the ability to obtain an IRS Moderate Background Investigation/Public Trust.

Build and maintain Palantir MSS dashboards, applications, data pipelines, ontologies, integrations, and AI workflows for mission operators. Develop visualizations, alerts, data models, and scalable platform solutions while optimizing performance and supporting users. Collaborate with mission leaders to translate analytical needs into technical capabilities, document reusable platform content, and support classified DoD environments. The role requires onsite work in a SCIF and an active Secret clearance, with potential higher-level clearance requirements.

Leads full-stack development, maintenance, troubleshooting, and implementation of a federal HR position classification application. Develops .NET APIs, integrates PeopleSoft and Oracle data, maintains authentication services, automated tests, documentation, and Azure DevOps pipelines. Builds AI-assisted applications using LLMs and related technologies while supporting production operations, root-cause analysis, and controlled releases.

Evaluate AI coding-agent interactions for usefulness, correctness, engineering judgment, reasoning quality, and developer trust. Provide clear, opinionated feedback, distinguish response-quality levels, and help define standards for excellent interactions with tools such as OpenAI Codex, Claude Code, and Cursor. This contract role requires staff- or principal-level software engineering experience and familiarity with modern AI-assisted development workflows.

Develops and delivers resilient full-stack applications and services for Vantage’s reinsurance business. Responsibilities include application design, coding, debugging, testing, architecture discussions, risk management, roadmap estimation, stakeholder consultation, and coordination across project teams. The role promotes software engineering standards, DevSecOps, CI/CD, agile practices, innovation, and mentoring while building solutions with JavaScript, React, Node.js, Python, cloud, serverless, and modern infrastructure technologies.

Develops and administers SharePoint Online collaboration and intranet services in Microsoft 365 GCC. Responsibilities include building SPFx solutions, web parts, forms, workflows, and automations; administering sites, permissions, metadata, governance, and content; maintaining secure accessible web content; supporting APIs and integrations; troubleshooting platform issues; modernizing intranet services; and creating training, documentation, usage reports, and performance logs.

Designs and governs enterprise application architectures for federal modernization initiatives. Develops technical roadmaps, reference architectures, integration strategies, and architectural standards while enabling secure DevSecOps, cloud adoption, CI/CD, and legacy modernization. Collaborates with stakeholders, ISSOs, vendors, and engineering teams; ensures compliance with federal security requirements; troubleshoots complex application issues; mentors developers; maintains technical documentation; and contributes hands-on code, proofs of concept, and AI-assisted development practices.

The QA Engineer will develop and maintain automated end-to-end tests, lead regression testing, provide release sign-off, and conduct exploratory testing to identify edge cases. The role partners closely with software engineers, evaluates AI-assisted testing tools, and contributes to testing strategy, CI/CD quality gates, and documentation. Candidates need experience with software QA, JavaScript, automated testing frameworks, and Git, with bonus qualifications in release processes and test strategy.

Leads architecture, development, integration, and deployment of enterprise government IT applications. Defines requirements, designs scalable solutions, oversees SDLC and TFS workflows, documents architectures, evaluates emerging technologies, troubleshoots complex issues, and mentors technical teams. The role requires expertise in C#, Java, JavaScript, .NET, MVC, SQL, and JavaScript frameworks, along with government IT security knowledge, TS/SCI with polygraph clearance, and IAM Level I Security+ compliance.

Develop and maintain enterprise geospatial applications, web GIS interfaces, dashboards, workflows, APIs, and integrations in a federal environment. Support ArcGIS Enterprise and Server solutions, geospatial visualization and data management, testing, troubleshooting, deployment, performance tuning, documentation, cybersecurity requirements, user support, and training. Collaborate with infrastructure, security, GIS, data, and program teams to meet DHS IT requirements.

Leads architecture, full-stack development, scalable application design, dashboards, backend integrations, AI-enabled features, cloud infrastructure, DevOps, monitoring, and production support. Mentors engineering teams, establishes technical standards, guides strategy, and develops solutions for payer operations, metadata, contracts, and performance measurement.

Administers and supports SAP portal systems, enterprise web applications, databases, integrations, and cloud environments for federal clients. Responsibilities include Control-M job scheduling, system monitoring, performance tuning, security and SSO integration, database administration, troubleshooting, change management, and production support across Windows and Linux. The role also develops and maintains web applications using Java and related technologies, supports SAP platforms and tools, collaborates with stakeholders, and participates in on-call and maintenance rotations.

Develop and maintain a secure collaboration platform built on Drupal and open-source technologies. Responsibilities include full-stack development, requirements gathering, architecture and design, user demonstrations, deployment support, DevOps improvements, CI/CD, testing automation, mentoring junior developers, and collaboration with users, leadership, and technical teams.

Designs, builds, and maintains secure, scalable enterprise frontend applications. Develops reusable Angular UI components, integrates REST APIs and backend services, optimizes performance and accessibility, and supports cross-platform compatibility. Leads technical initiatives, establishes frontend and enterprise development standards, mentors developers, contributes to DevSecOps and CI/CD practices, and collaborates across teams on cloud-native, containerized applications involving ETL, data ingestion, and AI-enabled services.