Top Remote Javascript Jobs in Washington, DC

Lead design and development of highly available payment processing, subscription billing, settlement, refunds, and reporting systems. Integrate with external payment processors and APMs, ensure automated build/test/deploy pipelines, debug production issues, optimize performance, decompose features for incremental releases, conduct design/code reviews, mentor junior engineers, and incorporate regulatory requirements (PCI‑DSS, PSD2/SCA, 3DS2).

Lead frontend architecture and product development for member-facing web and mobile apps. Build high-performance, accessible React/React Native UIs, own end-to-end features including APIs and backend services, mentor engineers, drive design system and frontend standards, and collaborate with Product, Design, Clinical, and Data teams to deliver scalable, user-centered health experiences.

Lead and manage multiple engineering teams, design agentic LLM-driven development workflows, set technical strategy and standards, ensure delivery quality, mentor engineers, oversee onboarding and performance reviews, and coordinate cross-team efforts to mitigate risks and maintain system ownership, testing, logging, and monitoring.

Lead design and architecture of cloud-first, full-stack enterprise software. Provide technical leadership, mentor engineers, promote automated testing and CI, improve scalability, troubleshoot issues, and deliver complex projects on time.

Work with the development team to build and debug web applications: write Python backend code, create responsive HTML/CSS/JavaScript frontends, integrate frontend and backend, participate in code reviews and testing, learn frameworks and document progress.

Implement and test performance marketing tracking, integrate commerce and checkout features (e.g., Shopify), debug and fine-tune AI-built landing pages for conversion and speed, provide technical client support via Slack, and learn/automate new tracking tools and integrations.

Design, build, and maintain performant web applications in an agile, TDD-driven environment. Lead technical decisions, collaborate with product and design, deliver high-quality code, participate in on-call rotation, and ensure system reliability and availability.

The Technical Architect will design and implement Salesforce Commerce Cloud solutions, oversee back-end development, manage integrations, and mentor junior developers, ensuring project success and adherence to standards.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Join as a Mobile/Web App Developer Intern to build responsive cross-platform UI, integrate APIs and cloud services, test and deploy features (dashboards, analytics, notifications), support app store publishing, and collaborate in an agile, remote dev team under mentorship.

As a Junior Software Developer, you will prototype and develop 5G network solutions, support software development automation, and maintain the development verification lab.

Internship role to design and implement automated testing using low-code/no-code platforms. Create, maintain, and run automated test cases, document and track defects, produce test plans and reports, improve test coverage, and communicate progress with clients and teams. Involves end-to-end responsibility from planning through deployment and incorporation of feedback.

Lead backend development to scale and harden API infrastructures, implement unit testing playbooks, optimize core algorithms, support migration from Supabase to a robust cloud provider, ensure system reliability and scalability, collaborate with frontend and DevOps, and integrate AI workflows and RPA where applicable.

Build and maintain responsive, accessible React/NextJS web interfaces and support Chrome extension development (Manifest V3). Integrate with backend APIs or WebSockets, optimize performance, write tests, perform code reviews, monitor and document extension and web app behavior, and collaborate with cross-functional teams.

Lead full-stack engineering for a browser extension and backend services, drive AI integrations with strong data privacy, mentor and recruit engineers, manage complex integrations, ensure code quality and SOC2 compliance readiness, and make architectural decisions to scale the platform.

Work on real-world web applications across frontend and backend. Use modern frontend frameworks (React/Angular/Vue) and backend tech (Node.js, Python, Java, PHP). Integrate RESTful APIs with databases (MongoDB, PostgreSQL, MySQL), debug, test, optimize performance, and collaborate with designers and product teams while gaining hands-on mentorship.

Manage a team of software engineers in Search and Look Up: review requirements, solve operational/architectural issues, set timelines and priorities, mentor engineers, review code, present issues to senior management, and coordinate recruiting and onboarding.

The Quality Engineer II role involves automating tests, developing frameworks, API testing, integrating with CI/CD pipelines, and performing accessibility and performance testing.

Evaluate AI-generated coding interactions, assess quality of engineering judgments, provide feedback, and define standards for AI coding agents. Comfortable making subjective judgments about engineering quality.

As a Technical Lead, you will manage Salesforce ecosystems, lead migrations, write code, conduct workshops, and ensure project health through hands-on involvement and oversight across resources.

The Lead Cloud Solution Architect will design, implement, and manage Hybrid Cloud solutions while providing technical leadership and consulting for clients. Responsibilities include engaging with business leaders, managing projects, and ensuring high-quality service delivery.

This role involves building product, shaping company culture, developing web applications, writing APIs, and planning sprints. You'll collaborate with design and engineering teams to enhance user experience and take part in hiring.

As a QA Engineer, you will ensure quality in delivery platforms through security vulnerability identification, function testing, and API test automation, while collaborating with various teams to improve their processes.

The role involves building user experiences, APIs, and data handling processes in a TypeScript application using React and Remix, while balancing performance and quality.

The Senior Oracle Payroll Integrations Developer will design, develop, and maintain integrations across payroll systems, ensuring data integrity and compliance while optimizing performance and scalability.