Top Remote Javascript Jobs in Washington, DC

Lead QA for complex, multi-component systems by designing and implementing automated tests, performing system integration and performance testing, mentoring junior engineers, driving QA strategy, reviewing test code and PRs, and collaborating with product and engineering to integrate quality into the development lifecycle.

Responsible for designing, developing, testing, and supporting software products. Involves leading sprints, managing databases, and ensuring code quality.

The Senior Svelte Software Engineer will develop high-quality, scalable Svelte web components, collaborate on design systems, and ensure component reliability.

Lead design and implementation of a headless Optimizely DXP front-end using Next.js on Vercel for 150+ marketing sites. Define content models and architectural standards, implement personalization and A/B testing, optimize performance and accessibility, manage CI/CD and repository ecosystems, and mentor engineering peers to enable repeatable, scalable site launches.

Full Stack Engineer responsible for building responsive frontends (JS/TS, React preferred) and backend services (Python, Go, or Node.js/TypeScript), designing RESTful APIs, managing databases (Postgres/MongoDB), and deploying on cloud (AWS). Collaborate with teams, optimize performance, and apply DevOps practices (Docker, Kubernetes, CI/CD). Requires strong problem-solving, communication, and 3+ years of experience.

Develop core experiences for bank administrators and customers by writing clean, documented code, creating robust APIs, and integrating with third-party services.

The Senior Software Engineer at Alkami builds user experiences for bank administrators and customers, focusing on coding best practices, system design, and technical guidance in an agile environment.

The Senior Enterprise Applications Engineer will execute high-priority projects using coding, scripting, and automation. Responsibilities include configuring integrations, leading QA procedures, and mentoring junior team members.

Deliver and scale full‑stack product features end-to-end: design and implement frontend and backend systems, align architecture, collaborate with product/design/data/QA, estimate work, ensure SDLC quality, communicate status, and participate in on-call rotation.

The Senior Full-Stack Engineer at SafeRide Health will develop and maintain healthcare applications, ensuring high performance and security while collaborating with cross-functional teams in an agile setting.

Design, build, and enhance Cority's software platform across product streams. Own features end-to-end, debug cross-system issues, drive observability, contribute technical direction, perform code reviews, mentor junior engineers, and collaborate with Product Owners to translate requirements into scalable technical designs.

The Senior Software Engineer will design, build, and maintain solutions for transit agencies, focusing on IoT devices and cloud services, ensuring reliable communication and device management.

Lead a cross-functional product team to develop real-time operational tools for transit agencies, ensuring technical guidance and team support towards impactful solutions.

Design, build, and maintain high-performance Next.js + TypeScript front-end applications. Implement responsive, accessible UIs, optimize rendering and bundle size, integrate with REST and WebSocket APIs, contribute to back-end work as needed, uphold testing and documentation standards, and mentor junior engineers.

As a Senior Software Engineer, you'll build AI-powered features, integrate LLMs, design scalable systems, mentor teammates, and collaborate to enhance user experiences.

Lead ServiceNow development and implementation across modules (ITSM, CMDB, Employee Center, ITAM, Source2Pay). Build advanced scripting, integrations (REST/SOAP), Service Portal widgets, Flow Designer/Integration Hub flows, Performance Analytics, and Mid Server-driven discovery/mapping. Provide best-practice reviews, custom app development, authentication/SSO integrations, and orchestration solutions.

Six-month, unpaid intensive apprenticeship to build and maintain live no-code/low-code revenue data pipelines. Responsibilities include QA of intent data, building n8n workflows, writing basic JavaScript to transform payloads, and troubleshooting API calls and webhooks to ensure delivery to Slack, CRMs, and email tools.

Build responsive, production-grade web UIs and data-dense dashboards from design prototypes. Implement interactive visualizations, integrate with REST/GraphQL backends, manage state and performance, write frontend tests, and collaborate with designers, backend and data engineers to deliver polished, accessible, and performant cybersecurity and analytics products.

Lead frontend delivery for custom Shopify eCommerce sites: own feature development, architecture, integrations, code review, release management, client-facing technical planning, risk mitigation, and mentor engineers to ensure quality and timely delivery.

Lead modernization of dtn.com as a senior full-stack engineer—improving architecture, performance, accessibility, and integrations. Build responsive front-end experiences and back-end APIs, integrate CMS/CRM/analytics, optimize conversion and SEO, and establish engineering best practices to support marketing, content, and demand-generation goals.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.

The Middleware Engineer will develop and maintain middleware architectures, interact with development teams, troubleshoot issues, and train engineers on updates.

SewerAI seeks a Senior Full-Stack Software Engineer to develop an AI-powered sewer inspection platform, focusing on computer vision, geospatial analysis, and robust data pipelines.

Seeking a Junior to Mid-Level APEX/Database Developer to design and develop database schemas and APEX applications, ensuring they meet business needs with clear communication.