Top Javascript Jobs in Seattle, WA

Join Customizo as a Junior JavaScript Developer to begin your training as a ServiceNow Developer. You will learn through certification courses, mentorship, and project collaboration, while developing and optimizing solutions integrated with ServiceNow.

Seeking a Full-Stack JavaScript Developer to build web applications, test software systems, and ensure software quality in a collaborative remote environment.

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.

Senior full‑stack engineer responsible for building backend services (Node.js/TypeScript) and integrating with frontends (React/Vue). Ship production APIs, collaborate cross‑functionally, own delivery, mentor peers, and develop modular, testable, performant systems across diverse greenfield projects.

The Web Developer is responsible for designing, developing, debugging, and modifying software applications, providing solutions, and supporting documentation.

Support enterprise-scale applications in secure environments. Develop UI components, collaborate with teams, and assist with Agile delivery and testing.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Seek a Senior React/JavaScript UI Developer for enterprise application support focusing on React, Vue, and secure coding principles within Agile.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Backend-focused fullstack developer responsible for designing, building, and maintaining PHP-based applications, optimizing MySQL schemas and high-availability deployments, troubleshooting production issues, and contributing JavaScript frontend work. Collaborate on architecture, code reviews, and deliver secure, maintainable systems in a remote team.

The Senior Javascript Full Stack Engineer will develop and maintain web applications, collaborate with teams on new features, debug issues, and improve engineering standards.

As a Staff Software Engineer focusing on backend, you'll design, implement, and operate micro-services, focusing on large-scale data and AI infrastructure.

As Founding Full-Stack Engineer, lead the development of technology solutions, build integrations, and define tech roadmap priorities in a remote role for an insurance tech provider.

Design and improve backend systems, write secure scalable code, participate in on-call support, and enhance engineering standards and processes.

Design and develop responsive cross-platform mobile applications using React Native and JavaScript, collaborating with teams and ensuring high app performance.

Develop and maintain cross-platform mobile apps using React Native and JavaScript, ensuring high performance and usability through coding, collaboration, and testing.

As a Software Engineer, you'll design and develop web applications and APIs, focusing on both front-end and back-end solutions while collaborating with cross-functional teams in an agile environment.

Seeking exceptional software engineers to build and maintain user-friendly backend systems primarily in Clojure and JavaScript, focusing on product complexities and user experience.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.

As a Senior Software Engineer focused on backend, you'll develop the Databricks platform, enhance infrastructure, and address performance, security, and reliability challenges.

As a Senior Full Stack Engineer, you will design and implement user experiences, data pipelines, and large-scale compute solutions while ensuring customer satisfaction and product scalability.

Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.

The Backend Engineer will develop intricate backend systems, build performant APIs, and contribute to technology innovation at Entefy.

Seeking a full stack engineer to develop applications, requiring skills in Node.js, SQL, and modern JavaScript frameworks with a focus on scalability and performance.

The Senior Backend Software Engineer will build intricate backend systems, develop APIs, ensure high availability, and improve application scalability and performance.