Top Senior Javascript Jobs in Washington, DC

Design, build, test, and maintain full-stack web applications for a federal client using C#, .NET, ASP.NET, Entity Framework, SQL Server, and React. Develop secure, scalable backend APIs, responsive front-end interfaces, integrate third-party services, remediate vulnerabilities, participate in SDLC activities, and collaborate with clients and teammates on architecture, performance, and deployment.

The Senior ServiceNow Developer designs and builds solutions on the ServiceNow platform, working with stakeholders to enhance legal practice operations and improve service delivery through automation and integrations.

The Backend Engineer will develop fintech solutions, resolve customer issues, design APIs and databases, and implement new features.

Seeking a Senior IT Developer/Engineer with extensive experience in .NET technologies, Oracle databases and software development lifecycle, to lead design and coding efforts.

The Senior Reports/Backend SQL Server Developer is responsible for the design, development, and enhancement of SQL queries and reports, ensuring high-quality IT services aligned with business requirements while mentoring junior developers.

The Database Report Specialist designs, develops, and manages reporting solutions using SQL Server and other technologies, ensuring high-quality application performance and compliance with standards.

Lead design and delivery of complex Salesforce solutions, working with clients and teams to define requirements, produce technical design documents, implement custom code and integrations, manage developers, and support sales discovery and estimates.

The Access Developer will develop software using MS Access, support federal technology requirements, and ensure compliance with regulations.

Lead technical Salesforce solution architecture and delivery for clients: define requirements, design integrations and custom code (Apex, Lightning, Visualforce), manage developers, produce technical design docs, assist in sales discovery and SOW estimation, and own SDLC practices across multiple projects.

The Senior Applications Developer will design and implement software solutions, particularly using Angular, while ensuring quality and timely delivery of projects. Requires extensive software development experience and collaboration across teams.

Serve as a senior software engineering subject matter expert guiding architecture, modernization, and engineering culture for mission-critical federal applications. Provide technical direction, set coding standards, mentor teams, advise on DevSecOps/Agile delivery, identify risks and technical debt, and align delivery with SLAs, release schedules, quality metrics, and customer priorities in a classified federal environment.

Design, develop, test, secure, integrate, and maintain enterprise applications; support CI/CD pipelines and DevSecOps practices; perform code reviews, troubleshoot production issues, integrate APIs, and collaborate with stakeholders in a classified or sensitive federal IT environment.

Lead QA efforts for a modern AWS GovCloud-based workflow application: design and execute test strategy, implement and maintain automation (Playwright/Selenium), validate front-end (Angular), APIs, and databases (Postgres/SQL Server), run CI/CD integrated test suites, support performance testing, and drive quality in Agile teams.

The Web Developer/Webmaster maintains and improves the ASA(FM&C) web portal, ensuring high availability and compliance with accessibility standards while providing analytics reports and training.

As a Senior Fullstack Engineer, you will develop scalable solutions, optimize platform performance, lead technical discussions, architect secure systems, and mentor team members, impacting hotel operations worldwide.

Design, build, test, integrate, secure, and maintain mission-focused software for classified national security and law enforcement programs. Develop APIs, databases, features, and scripts; participate in Agile delivery, release preparation, production support, troubleshooting, and documentation. Mentor team members and drive modernization, automation, and technical debt reduction.

Design, develop, test, maintain, and support secure software applications for classified missions. Support CI/CD, DevSecOps, source control, automated testing, release management, and production troubleshooting. Contribute to Agile ceremonies, documentation, and system support. Mentor team members and identify modernization, automation, and technical debt reduction opportunities to improve mission application reliability and security.

The Web Developer will design and implement analytics solutions, maintain existing systems, and troubleshoot tracking issues, requiring extensive knowledge in web analytics and development.

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.

Design, build, and maintain scalable Salesforce solutions (Apex, LWC, SOQL/SOSL), manage integrations and sandboxes, define DevOps and deployment standards, monitor performance and security, troubleshoot production issues, and establish safe AI/code-generation practices and governance for the CRM platform.

Design, build, and support Salesforce solutions using Apex and Lightning Web Components. Configure and customize Salesforce, integrate third-party tools, follow development lifecycle and best practices, mentor junior developers, commit code to Git, and advise government healthcare clients on modernization and platform improvements while meeting vetting requirements.

Own technical delivery for defense customers: integrate Navigator with existing logistics systems, build and optimize data pipelines, create onboarding playbooks and tooling, troubleshoot escalations, and feed customer needs into product roadmap while representing Gallatin on-site and at reviews.

Lead design, development, and implementation of enterprise Salesforce solutions across Sales, Service, Field Service, and Experience Clouds using Apex, LWC, OmniStudio, and declarative tools. Perform code reviews, testing, integrations, production troubleshooting, mentor developers, participate in Agile ceremonies, and support DevOps and secure federal healthcare platform delivery.

The role involves designing and executing automated testing frameworks, collaborating with stakeholders to develop test strategies, and ensuring software quality through comprehensive testing. Responsibilities include integrating tests into CI/CD pipelines and tracking defects in tools like Azure DevOps and Jira.

The GIS Analyst leads GIS solution development, analyzes database issues, manages reporting, and supports decision-makers with geospatial data management. Duties include mentoring staff, using GIS software, and creating maps and workflows using SQL and Python.