Top Javascript Jobs in Washington, DC

Lead development of hybrid and native iOS and Android mobile applications, including Bluetooth Low Energy device integration. Guide engineering teams on architecture, code quality, Agile practices, testing, reusable components, and platform standards. Collaborate with architects and business teams on technical specifications, troubleshooting, project estimation, team screening, and delivery oversight across patient solution projects.

Develop and maintain full-stack web applications using React, .NET, and related technologies. Design front-end and back-end components, write scalable code, conduct testing, troubleshoot issues, participate in code reviews, and support the full software development lifecycle. Collaborate with cross-functional teams and clients while applying secure coding, architectural patterns, cloud services, and DevOps practices. The role also includes mentoring, technical communication, and contributing to continuous process improvement.

Designs, builds, and maintains full-stack applications supporting federal defense planning and budgeting systems. Leads software architecture, testing, code reviews, mentoring, API integrations, CI/CD, security remediation, and defect resolution. Integrates LLM, RAG, and agentic AI capabilities into production systems while working across classified and unclassified environments. Requires extensive federal-sector software development experience, active Secret or Top Secret clearance, Security+ certification, and expertise with modern cloud, containerization, and software engineering technologies.

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.

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.

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.

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.

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.

Designs, builds, and maintains secure, scalable enterprise frontend applications and reusable UI components. Translates requirements into intuitive, accessible, high-performance interfaces; integrates frontend systems with backend APIs and data services; supports ETL and cloud-native application environments; and applies DevSecOps, automated testing, CI/CD, and secure coding practices. The role also mentors developers, establishes frontend standards, optimizes processes, and collaborates across teams.

Leads full-stack architecture, application modernization, secure software development, and enterprise technology integration. Designs, develops, and optimizes scalable frontend and backend applications, APIs, databases, data pipelines, and ingestion systems. Establishes development standards, supports DevSecOps and CI/CD practices, addresses cross-enclave interoperability, and ensures secure, high-performing solutions aligned with enterprise architecture and zero-trust principles.

Develop and maintain custom applications, automation tools, database solutions, integrations, and low-code workflows using C#/.NET, Python, SQL, Oracle, and related technologies. Responsibilities include testing, quality control, data extraction, troubleshooting, documentation, requirements gathering, and stakeholder collaboration. The role also supports AI-enabled solutions, MCP integrations, proof-of-concept initiatives, and client-facing advisory projects.

Develops, tests, and maintains responsive websites and web applications for the Department of State’s Passport Services. Responsibilities include translating UI/UX designs into interactive interfaces, optimizing performance and scalability, troubleshooting functionality issues, ensuring cross-browser and device compatibility, and maintaining technical documentation. Requires U.S. citizenship, a Secret clearance, federal background check eligibility, and either a bachelor’s degree with five years of relevant experience or eight years of experience without the degree.

Build AI-powered tools, scalable services, APIs, automations, and community experiences for Brilliant Black Minds. Lead projects independently from design through release, integrate LLM capabilities, and manage community operations including Discord moderation, member engagement, and study groups. Serve as the program’s sole engineer while translating community needs into reliable technical solutions.

Designs and maintains enterprise systems and architectures supporting mission requirements. Evaluates architectures, identifies risks and design gaps, recommends improvements, and aligns technology standards with business strategy. Collaborates with technical, security, business, and program stakeholders; develops architecture principles, roadmaps, and documentation; and supports modernization, integration, cloud migration, and technology transformation. Leads development teams through design and delivery, troubleshoots cloud environments, and manages data migrations.

Designs and develops cloud architecture and applications across on-premises and cloud environments. Implements infrastructure automation and DevSecOps practices, supports application migration, establishes secure and highly available cloud environments, and optimizes cost and performance. Responsibilities include cloud service delivery models, monitoring, troubleshooting, recovery planning, documentation, policy management, and development of new or enhanced cloud software across multiple enclaves.

Designs, develops, tests, and maintains ITSM automation workflows, scripts, integrations, event management, self-service tools, dashboards, and reporting. Analyzes ITSM processes to identify automation opportunities, integrates platforms with enterprise systems through APIs and webhooks, supports AIOps capabilities, documents solutions, monitors performance, and collaborates with service desk, operations, and business stakeholders in Agile delivery environments.

Design, develop, and deploy cloud applications in a secure Army cloud environment. Modernize a large-scale document management and search platform, optimize indexing and metadata for over 100 million documents, integrate generative AI and machine learning, and improve scalability. Responsibilities also include cloud security controls, system administration, DevSecOps, CI/CD, database optimization, user interface development, maintenance, and support within a hybrid government environment.

Develop and administer ServiceNow applications, workflows, catalog items, integrations, and user experiences. Configure and script platform capabilities using JavaScript, Flow Designer, APIs, and low-code tools. Translate business requirements into technical designs, conduct testing and code reviews, resolve defects, support releases and production operations, and document configurations and procedures. The role supports enterprise digital workplace modernization for a federal customer and requires the ability to obtain Public Trust.

Leads advanced ServiceNow architecture and development across enterprise modules, custom applications, workflows, integrations, Service Portal, Performance Analytics, CMDB, and security controls. Mentors developers, conducts code reviews, establishes coding standards, and translates stakeholder requirements into secure technical solutions. Requires seven years of ServiceNow development experience, CSA certification, and an active TS/SCI clearance with willingness to obtain a polygraph. The role is onsite three days per week.

Leads complex ServiceNow architecture and development across enterprise modules, custom applications, workflows, integrations, portals, analytics, CMDB, and security controls. Develops server- and client-side solutions, conducts code reviews, designs data models, mentors developers, and translates stakeholder requirements into technical solutions. Requires seven years of ServiceNow development experience, CSA certification, an active TS/SCI clearance, and willingness to obtain a polygraph. The role requires onsite work three days per week.