Top Senior Javascript Jobs

Front-end developer to build and maintain a customer-facing solar-usage portal. Requires strong JavaScript and HTML/CSS skills, unit-test experience (Karma/Mocha/Chai), and familiarity with Angular/AngularJS. Collaborate in an Agile team, communicate clearly, and work on a 6-month contract with optional remote work.

Full-stack developer focused on front-end and mid-tier work. Build and modify web applications using JavaScript/HTML5/CSS3 and C#, implement database logic (SQL/Stored Procedures), follow SDLC, write unit tests, perform code reviews, produce technical documentation, provide production support, and mentor junior developers.

The role involves developing scalable web-based UIs and trading tools, collaborating with traders and developers to implement trading and reporting tools.

Develop and maintain full-stack applications using modern JavaScript frameworks, manage cloud infrastructure, and ensure code quality through testing.

The Front-End Software Engineer will design and develop software products, optimize application performance, and collaborate with team members while providing ongoing maintenance and support.

Mid-level (senior-level by experience) software engineer to develop mission-supporting solutions. Requires active Top Secret/SCI with polygraph, strong experience with Grafana, Bash, Python, and JavaScript, and at least eight years of SWE experience or equivalent education/experience substitution. Direct-hire only.

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.

As a Senior Software Engineer at Sentry, you'll innovate in JavaScript SDKs, push coding boundaries, and engage with the open-source community, ensuring impactful developer tools.

As a Senior Software Engineer, you will develop and innovate JavaScript SDKs for various server runtimes, ensuring high-quality code and engaging with the open-source community.

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.

As a Senior Software Engineer at Elicit, you will build features for an AI research assistant, ensuring quality while collaborating with a small team.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

Engage in designing and maintaining core infrastructure for AI systems in healthcare. Lead product initiatives, ensuring high-quality coding and system reliability.

The Sr JavaScript (React) Developer will make software design decisions, mentor team members, and develop, test, and deliver project tasks using Agile methodology.

Seeking a Senior Software Engineer specializing in JavaScript, React, and Node.js to develop modern web applications and utilize AI in development workflows.

Design and build web apps for creating and listening to music. Optimize performance, contribute to design decisions, and create libraries for audio experiences.

As a Senior Software Engineer, you'll build web applications, improve customer experiences, and work closely with marketing and product teams.

Lead and develop front-end applications using HTML, CSS, and JavaScript, mentoring junior developers and ensuring code quality. Collaborate with cross-functional teams to deliver innovative solutions.

As a Senior Software Engineer, you'll build and extend web technologies, make key architectural decisions, and mentor junior developers in a fast-paced environment.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Seeking a Node.js Expert with extensive development experience, RESTful web services knowledge, and Agile methodologies. Responsibilities include technical direction, hands on software development, and problem resolution.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

As a Staff Full-Stack Engineer, you will develop major product features, collaborating with users and engineers to ensure software reliability and performance.

As a Senior Software Engineer, you will develop intuitive web applications, design rating engines, and enhance the claims process while ensuring impactful delivery and user experience.