Top Senior Javascript Jobs in Washington, DC

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

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.

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.

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

Design, develop, and maintain Power Platform solutions (Power BI, Power Apps, Power Automate) and SharePoint Online artifacts. Elicit and document government requirements, build dashboards, apps, forms, and workflows, integrate external data sources, test/debug solutions, and optimize performance to meet government stakeholder needs.

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

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.

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).

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.

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.

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.

Lead technical development for People Systems: design architecture and engineering standards, contribute hands-on to custom apps, own Workday security role architecture and access governance (SOX-compliant), build Workday integrations (including AI/LLM layer), manage Azure environments and release readiness, partner with People Ops, and collaborate with IT Security, Audit, and Compliance.

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, 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.

The role involves software development for a legacy web application, utilizing various programming languages and data engineering tasks for data migration, ensuring application integrity, and performance while collaborating with experts to refine requirements.

Design, build, and maintain enterprise Power Platform solutions (Power Apps, Power Automate, Dataverse) integrated with Microsoft 365. Develop cloud flows, Power BI reports, REST API integrations, perform troubleshooting, ALM deployments, and write technical documentation while following governance and security standards. Supports a federal customer onsite and requires an active Top Secret clearance.

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.

Senior UI/UX Frontend Developer to design and implement responsive web applications, translate user needs into UI/UX solutions, create wireframes/prototypes, conduct user research, collaborate with product/design/engineering, support RESTful APIs, and enforce design standards. Hybrid role requiring TS/SCI with Polygraph and occasional SCIF visits in DC/VA/MD.

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.

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.

Lead technical design, development, modernization, and deployment of enterprise web applications on Azure Government and Microsoft 365. Mentor teams, enforce standards, implement CI/CD and DevSecOps, migrate legacy systems, develop Python/ASP.NET backends and React frontends, manage databases (SQL Server/PostgreSQL), and ensure security/compliance (FISMA, NIST, ATO).