Top Senior Javascript Jobs in Washington, DC

Design, build, test, and maintain tax-focused software solutions using Java, Python, C# and JavaScript. Apply ATDD and CI/CD, create APIs and microservices, perform code reviews and debugging, manage project delivery, and collaborate with cross-functional teams to improve business processes and client outcomes.

Owns the implementation and lifecycle of a ServiceNow platform in a secure federal enclave. Responsibilities include provisioning, configuration, security hardening, authentication, MID Server setup, integrations, ITSM and CMDB support, upgrades, documentation, compliance validation, and continuous improvement. The engineer collaborates with security, infrastructure, and program stakeholders while applying Agile/Scrum practices. The role requires strong JavaScript and ServiceNow scripting expertise, federal security framework familiarity, and experience building or migrating ServiceNow instances.

Design, develop, configure, test, and deploy ServiceNow solutions across CMDB, ITSM, Service Catalog, integrations, workflows, and custom applications. Maintain CMDB health, data quality, governance, and CSDM alignment. Translate stakeholder requirements into scalable technical solutions, participate in design discussions, support testing and releases, document implementations, and identify technical risks. The role requires client-facing collaboration and federal program support in a hybrid Washington, D.C. environment.

Design, build, and deploy web and database solutions using HTML, JavaScript, and Python within a healthcare context. Implement CI/CD and containerized deployments (OpenShift/Docker), integrate Red Hat Fuse ESB and Apache Camel, and architect AWS-based solutions (EC2, S3, Lambda, DynamoDB). Work in Agile teams, create/consume REST APIs, apply web security practices, and use tools like Jenkins/GitLab, GitHub, SonarQube, and Ansible.

Develops, tests, and maintains SAP Fiori and SAPUI5 front-end applications using JavaScript, CSS, and HTML5. Integrates applications with SAP ERP through SAP Gateway and OData services, configures Fiori Launchpad, activates apps, develops UI5 extensions, and integrates with BTP. Responsibilities include component testing, debugging, technical documentation, presentations, and improving user experience and business workflows.

Leads enterprise SharePoint architecture, development, modernization, migration, governance, security, and integrations across SharePoint Server, SharePoint Online, and Microsoft 365. Develops SPFx solutions using TypeScript, React, JavaScript, HTML, and CSS; establishes information architecture, ALM, deployment, and development standards; troubleshoots complex technical issues; produces architecture documentation; and mentors developers while presenting recommendations to stakeholders.

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, develop, and maintain automated testing frameworks and scripts for FEMA enterprise grants systems. Perform functional, regression, performance, API, integration, accessibility, and security testing. Integrate automated pipelines with DevSecOps environments, manage test data, analyze defects, define quality metrics, and collaborate with developers, analysts, and product owners in Agile teams. Mentor junior testers and promote quality-focused engineering practices.

Build and maintain automated integration and end-to-end test suites for ReactJS portals and Python/NextJS APIs. Define test strategies and acceptance criteria, validate data with SQL, integrate regression tests into CI/CD, manage test data, investigate defects, reduce flaky tests, and own release quality gates. Use AI tools to generate and scale tests while partnering with product, engineering, and data teams to improve platform quality.

Develop and support SharePoint Online sites and custom applications using Power Apps and Power Automate. Gather requirements from users, troubleshoot applications and workflows, support migrations and permissions, improve processes, and coordinate with IT teams in an Agile environment. The role also provides technical guidance to junior developers and communicates solutions to business stakeholders.

Build responsive Web3 applications, web SDKs, developer tools, reusable frontend components, and internal Customer Success tools. Collaborate with Product, Design, and Engineering to create scalable, accessible user experiences. Contribute to code and design reviews, automated testing, continuous delivery, coding standards, and AI-assisted development practices.

Designs and delivers cloud-based software solutions with strategic customers and Microsoft product teams. Leads requirements definition, architecture, dependency identification, design documentation, and development of maintainable code. Mentors engineers, contributes to open-source assets, coordinates project and release plans, and serves as a designated responsible individual for system reliability, monitoring, on-call support, performance, and operational improvements.

Design, build, test, and operate secure, scalable production software and services. Partner with customers and stakeholders to translate needs into technical solutions, lead technical workstreams, and apply engineering best practices including automated testing, CI/CD, observability, and documentation. Develop reusable components and AI- or LLM-based solutions while driving end-to-end delivery and continuous improvement.

Administers, supports, troubleshoots, upgrades, and migrates on-premises and cloud SharePoint and document management environments. Responsibilities include SharePoint development, workflows, Power Platform conversions, server and database integration, records management, application testing, data backup, maintenance, user support, training, and designing cloud migration strategies and site templates.

Designs and supports secure CI/CD pipelines, cloud-native infrastructure, containerized applications, Kafka and Elastic platforms, AWS environments, observability solutions, certificate lifecycle automation, and DoD security compliance. The role troubleshoots infrastructure and application issues, optimizes cloud costs, integrates security controls, monitors reliability, and collaborates with distributed Agile engineering teams. It also provides technical leadership, documentation, stakeholder communication, and operational risk management.

Develop, test, deploy, maintain, and support enterprise software applications for a government customer. Responsibilities include designing application architectures, building front-end, business logic, REST API, and database components, creating Power BI reports, automating testing with Selenium, troubleshooting production issues, and assisting with deployments, configuration, upgrades, and documentation in an Agile Kanban environment.

Designs, architects, develops, and maintains ServiceNow solutions across ITSM, ITOM, HRSD, and related modules. Collaborates with stakeholders and technical teams, documents architectures and implementations, conducts code reviews, troubleshoots platform issues, ensures development quality, and mentors junior developers. Requires expertise in ServiceNow architecture, integrations, JavaScript, web technologies, and REST/SOAP APIs, plus eligibility for Public Trust clearance.

Develops and implements full-stack software solutions from concept through production using agile methods. Designs, modifies, and enhances applications; writes front-end and back-end code; solves complex technical and workflow problems; evaluates architecture and operating environments; collaborates with cross-functional teams; and identifies system improvements. The role requires DHS suitability and participation in a government investigation and skills assessment.

Owns automated testing across Angular front ends, APIs, GraphQL services, and end-to-end user journeys. Builds stable test architecture, manages test data and environments, integrates quality gates into CI/CD pipelines, and monitors coverage and suite health. Partners with developers on testable designs, performs exploratory and manual testing when appropriate, supports user acceptance testing, and coaches teams on maintaining reliable automated coverage.

Design, develop, test, and sustain secure cross-platform iOS and Android applications and supporting web/back-end systems. Build REST APIs, SQL-backed services, automation scripts, telemetry and operational tools; apply secure coding practices; troubleshoot integrations, networking, and Linux environments; document architecture and SOPs; and collaborate with security, backend, UC, and government stakeholders in a classified DoD/federal environment.

Design, build, and sustain secure mobile and web applications and backend services for a classified federal customer. Develop UIs, REST APIs, SQL-backed services, automation scripts, telemetry/monitoring tools, and diagnostics in Linux environments. Apply secure coding, troubleshoot integrations, document architecture and SOPs, and coordinate with security, network, and government stakeholders in an Agile delivery model.

Manage and administer the ServiceNow platform and CMDB in self-hosted or cloud environments. Perform platform maintenance, upgrades, clones, update conflict analysis, data imports, discovery, business-rule development, and scheduled jobs. Support ITOM and ITSM modules, troubleshoot deployments, collaborate with development teams, and maintain CMDB health. The role requires ServiceNow expertise, Linux and Windows administration, programming knowledge, a bachelor’s degree, U.S. citizenship, and the ability to obtain the stated clearance.

Develop and maintain enterprise automation solutions using Power Automate, Power Apps, Power Pages, and Copilot Studio. Translate business processes into scalable applications, bots, web solutions, and AI assistants. Responsibilities include requirements gathering, integrations, API and connector development, testing, Agile delivery, ALM, documentation, monitoring, training, security compliance, and production support. The role also provides technical guidance and stakeholder engagement across business units.

Designs and leads full-stack software solutions for secure, mission-critical government applications. Responsibilities include architecting data ingestion and storage systems, developing APIs and microservices, overseeing front-end visualization interfaces, deploying distributed systems, ensuring cybersecurity and data governance compliance, troubleshooting integrations, and supporting Agile requirements development. The role also serves as an enterprise architect responsible for modernization standards, integration patterns, and target-state architecture across classified programs.

Lead and manage software engineering teams: run agile processes, design and ship secure scalable APIs and services, guide architecture, manage technical debt, recruit and mentor engineers, and align work with company objectives.