Top Senior Javascript Jobs in Washington, DC

The ServiceNow Claims Lead Engineer will oversee platform architecture, lead hands-on development, manage integrations, and ensure quality SDLC practices while mentoring team members.

Senior full-stack developer responsible for designing and implementing Java/Spring back-end APIs, React/TypeScript front-ends, and normalized PostgreSQL schemas. Duties include data migration, CI/CD and deployments, ensuring security and 508 accessibility, supporting lifecycle phases, and using AWS, Keycloak, Kubernetes, Docker, and Atlassian tools. Requires strong documentation, Agile experience, and 7+ years of experience.

Provide O&M and development support for a production .NET web application. Gather and analyze requirements, design solution architecture, build and upgrade full-stack features, improve performance, and support the application lifecycle while collaborating with government and contractor teams.

Provide O&M and full lifecycle development support for a production Java application with Postgres and Tomcat/JBoss. Gather and analyze requirements, design solution architecture, build new full-stack apps, upgrade existing systems, and resolve performance bottlenecks while collaborating with government and contractor teams.

Develop and maintain Ruby and Rails applications, write Bash scripts, troubleshoot performance and multithreading issues, optimize SQL/MySQL queries, administer Unix/Linux/Solaris servers, and collaborate in Agile teams. Participate in API and SOA development and use source control (SVN/Git).

Senior Java Developer responsible for full SDLC: design, develop, test and deploy Java/J2EE web applications using Spring/Hibernate, messaging (MQ), RDBMS (Oracle/SQL Server/MySQL), and front-end frameworks (Angular/Bootstrap). Collaborate in Agile teams, perform code-level implementation, unit testing, and production support.

Design and lead large-scale Java EE web applications; develop middleware and security layers; optimize SQL; implement builds/CI; integrate IBM mainframe technologies, WebSphere, Spring/Struts, front-end and mobile components.

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).

Develop and maintain ATG/Java J2EE applications across the full SDLC. Build and integrate REST/XML web services, back-end frameworks (Spring, Hibernate), WebLogic/Oracle DB, front-end components (jQuery/AngularJS), and microservices with RabbitMQ. Collaborate with stakeholders, troubleshoot issues, and contribute to deployment on AWS; occasional iOS/Swift work expected.

Provide DevOps leadership for a federal ERP-CS program: lead cross-functional teams, maintain and support servers and applications, perform backup/recovery, automation, CI/CD pipelines, containers and serverless development, and administer environments. Use Kubernetes, Docker, Jenkins, Ansible, Kong and scripting to resolve complex issues and ensure SLA compliance while working in Agile teams.

The Senior Oracle APEX Developer II will develop and maintain custom Oracle applications using Oracle APEX, support database management and integration, and interface with customers to gather requirements and deliver solutions.

The Senior Oracle APEX Developer will support custom Oracle Applications development, perform web content design, manage database objects, and integrate BI Publisher and web services while ensuring effective customer communication.

Customer-facing senior engineer who designs, builds, and productionizes end-to-end data and AI solutions on Databricks. Leads architecture, implements data pipelines, integrates ML/AI models, delivers production deployments, and produces reusable assets while collaborating with customers and cross-functional teams.

Design and develop solutions using Power Apps and Power Automate. Lead design sessions, implement data models, and manage solution lifecycles. Mentor junior developers and ensure adherence to governance best practices.

The Documentum/xCP Developer will support business functions through development, implementation, and maintenance of Documentum/xCP systems, conduct troubleshooting, enhance software features, and participate in code reviews.

The ETL Testing Engineer will participate in Agile team activities, perform ETL/BI application testing, create test cases, and support User Acceptance Testing.

Participate in Agile and Waterfall activities, analyze user stories, create and execute test cases, automate testing, and support customer UAT teams.

The ETL Testing Engineer will test ETL/BI applications, perform web service testing, develop automation scripts, and utilize various testing tools and methodologies.

The Cognos Architect will design, develop, and implement BI applications using IBM Cognos, manage deployments, and ensure technical quality while collaborating with clients on reporting requirements.

Seeking experienced Automation Tester Scripter to support Agile/Scrum projects. Responsibilities include test case writing, automation scripting, and customer support for web applications.

Seeking a Senior Developer for the API Management team to create and manage APIs using IBM tools, focusing on full software development life cycle activities, testing, documentation, and security implementation.

As a Forward Deployed Software Engineer, partner with high-impact public sector customers by developing full-stack applications and providing technical guidance throughout the project lifecycle.

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

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.

Lead a ~10-engineer team to build and modernize cloud-native SaaS for marinas. Stay hands-on with Node.js/React/TypeScript code, drive architecture and migrations, enforce testing/observability/CI-CD, run incident response, recruit and coach engineers, and implement AI-assisted development practices aligned to product goals.