Top Javascript Jobs in Washington, DC

The Principal Architect & Technical Team Lead will guide a team in AI product development, oversee high-impact architectural decisions, and manage executive stakeholder engagement.

Maintain and support mission-critical .NET web applications backed by an Oracle database. Fix bugs, implement enhancements, manage version control and deployment pipelines, write/execute DDL/DML, produce documentation, and work within an Agile team while providing production support.

Lead development and maintenance of React-based enterprise web applications; own architecture and code quality; mentor engineers; plan and estimate work; integrate vendor/customer hardware; modernize healthcare IT and continuously improve development processes.

Design, build, and deploy custom SPFx web parts and extensions using React and TypeScript. Integrate solutions with Power Automate flows and embed Power BI reports in SharePoint. Connect to external data sources and Microsoft Graph, maintain and optimize applications, enforce governance/security, and provide end-user support, training, and documentation.

As a Community Engineer, you will develop AI-powered tools and maintain community operations, engaging with diverse software engineers and delivering projects independently.

Lead and build The Atlantic's QA practice as a hands-on manager: design test strategies, write and integrate automated tests into CI/CD, manage offshore QA contractors, define quality standards (including AI-driven features), evaluate tooling, track quality metrics, participate in incident on-call, and partner with engineering teams to raise overall product quality.

Rebuild and implement a mission-critical B2B platform front end. Collaborate closely with UX, provide design feedback, and implement modern JavaScript-based user interfaces using current front-end frameworks and MVVM concepts.

Lead frontend modernization by migrating legacy web apps into a microfrontend ecosystem, ship production-critical React/Next.js code, define reusable platform patterns, and collaborate cross-functionally to ensure performance, developer experience, and long-term maintainability.

The Senior Application Developer will design solutions to complex IT challenges, utilizing Node.js and other technologies, within a collaborative environment, ensuring efficiency in software development and maintenance.

Lead and manage QA/SDET team to design test strategies, create automated test frameworks and scripts (Web, SOA/WS, DW/ETL, Java back-end), execute tests, track defects, and implement test engineering best practices. Train users as needed and ensure compliance with background/drug screening and US work-authorization requirements.

Design, develop, configure and administer SharePoint 2010 farm solutions including sites, templates, workflows, web parts and custom code (C#/ASP.NET). Lead migrations from PlumTree, configure service applications (Search, Excel Services, PerformancePoint), use PowerShell for administration, and coordinate deployments across development, test and production environments.

Develop and maintain Ruby on Rails applications using clean, readable code. Apply OO JavaScript and programming principles (OOP, REST, MVC). Practice TDD/BDD. Work with PostgreSQL, Elasticsearch, or Redis as needed.

Design, build, and maintain Power Platform solutions (Power Apps, Power Automate, Dataverse) integrated with Microsoft 365. Create flows, data models, Power BI reports, troubleshoot, support deployments and ALM, write documentation, and collaborate with stakeholders in agile teams.

Design, develop, test, and maintain front-end and back-end components for an enterprise Postgres/Java/React system. Integrate APIs, implement CI/CD and containerized deployments, participate in full SDLC activities, code reviews, architecture sessions, and ensure accessibility and security compliance while collaborating with cross-functional agile teams.

Lead full-stack development of Virtru's data protection products: build React front-ends and Go backends, deploy and operate SaaS on AWS/GCP, implement automated testing and monitoring, participate in on-call rotations, mentor teammates, and drive delivery of medium-to-large cross-system features.

Design, build, and maintain end-to-end automated billing workflows and dispute management apps using Google Workspace and cloud tools. Implement scheduling, validation, audit trails, notifications, metrics, and documentation; support testing and government reperformance.

Join a cleared software development team to design, implement, test, and deploy on-premises and cloud applications. Develop backend services, resolve software issues, implement security controls, automate deployments, document and train users, and contribute to Agile deliveries and performance metrics.

Develop, test, debug, and deploy on-premises and cloud backend and full-stack applications. Work on large-scale data analysis projects, integrate with deployment/patching tools, produce documentation, and support users. Operate in an Agile team, contribute to design, performance, security, and quality, and deliver innovative solutions while protecting classified data.

Design, develop, test, deploy, and support PHP-based full-stack web applications. Build front-end interfaces, write and optimize SQL for MariaDB, work in Docker environments, deploy to and support AWS-hosted apps, maintain Linux (RHEL 9) servers, and troubleshoot production issues throughout the software lifecycle.

Develop and maintain cloud-based enterprise web applications using React, C#/.NET and/or Python. Build RESTful APIs, work with SQL Server/PostgreSQL, participate in CI/CD and Azure deployments, troubleshoot production issues, follow secure coding and accessibility standards, and collaborate on Agile teams.

Build and maintain responsive web and cross-platform mobile apps using React and React Native (Expo). Collaborate with product, design, and backend teams, integrate with REST/SOAP and ESBs, implement scalable front-end architecture, ensure UI/UX feasibility and ADA compliance, write tests, conduct code reviews, and support CI/CD and SDLC practices.

Design, develop, customize, test, and troubleshoot integrations between software systems to ensure seamless data flow. Document implementations, collaborate with development and project teams, provide end-user technical support, and stay current with integration platforms and cloud technologies.

Design, build, and lead enterprise Power Platform solutions (Power Apps, Power Automate, Dataverse, Power BI). Drive architecture, integrations, PCF and C# extensibility, DevOps/ALM, governance, stakeholder workshops, troubleshooting, and documentation while mentoring teams and shaping platform strategy for a federal client.

As a Forward Deployed Engineer, you will lead government AI model deployments, design full-stack systems, and ensure successful integrations and relationships with public sector stakeholders.

Lead solutions architecture for government clients, embedding with stakeholders to deploy GenAI solutions, and ensuring project success through prototype development and technical guidance.