Top Senior Javascript Jobs

As a JavaScript Developer, you will design, implement, and maintain web applications, collaborate with cross-functional teams, innovate solutions, and ensure high performance and availability of systems.

Join a team building a strategic reference data platform for client, account and instrument data. Deliver horizontally scalable, high-performance JavaScript applications, collaborate with senior business and technical partners, and maintain/extend mission-critical software. Requires strong problem-solving, independence, and ability to learn new technologies quickly.

Design and build AI-centric full‑stack TypeScript web applications (SPAs and APIs). Collaborate on product and architecture, own technical decisions, mentor peers, perform code reviews, and manage project priorities and deliverables.

As a Senior Full-Stack Software Engineer, you will build AI-centric web applications in TypeScript, manage project priorities, and make technology decisions while collaborating with Product and Design teams.

Lead front-end development using JavaScript frameworks and Handlebars. Provide technical oversight, code reviews, and implement responsive, mobile-first UI integrated with REST services. Deliver high-quality software using TDD (Mocha), build/test automation, and Agile/Scrum practices.

As a Sr. Lead Software Engineer, you will lead a team, develop front end applications, own technical designs, and mentor fellow engineers while delivering cloud-based solutions.

Take end-to-end ownership of high-scale backend services powering networking infrastructure. Design, implement, and operate performant, reliable, and secure Node.js services; troubleshoot complex networking issues; participate in architecture, testing, and incident response; collaborate with engineers and stakeholders to deliver scalable solutions.

Seeking a Full Stack Java Developer with 5-10 years of experience in software development and architecture, leading engagements, and driving innovation.

The Software Systems Engineer designs, codes, analyzes, tests, debugs, and implements complex software applications, focusing on frontend development using JavaScript and database management.

Looking for a JavaScript developer with strong database skills to design and code applications, implement solutions, and troubleshoot software issues.

Build and maintain full‑stack web applications using Vue/Nuxt, TypeScript, Node.js and AWS. Implement SSR/SSG apps, reusable components, APIs, integrations with CMS and third‑party services, and improve performance, accessibility, SEO, monitoring, and AI-enabled marketing workflows. Participate in reviews, debugging, and cross‑functional collaboration.

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.

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

The Full-Stack Developer will engage in modernizing applications and building scalable cloud-based solutions using Python and JavaScript on AWS, collaborating with various technical teams.

Take end-to-end ownership of backend features and SaaS services in a microservices architecture. Design, implement, deploy, and operate scalable, reliable Node.js services. Work with Redis Streams, MongoDB, Kubernetes, and ensure test coverage, performance tuning, and collaboration with cross-functional teams.

Lead full-stack development using Next.js and NestJS, build Node.js backend services with PostgreSQL, implement real-time messaging, apply prompt engineering and model training, develop embeddings/chunking and RAG features, write TypeScript code, mentor juniors, and participate in code reviews.

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.

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.

Develop cross-browser, event-driven web UIs using JavaScript and Ext JS. Integrate with RESTful services via AJAX/JSON, work with JSP, XML, CSS and DOM. Follow MVC patterns and build secure front-end applications.

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.

Develop and maintain rich Java-based and JavaScript-based user interfaces using modern UI frameworks. Implement component-based designs, integrate with middleware and RESTful services, work with WebSphere Portal/JSR286 and J2EE platforms. Collaborate across global teams in the insurance domain, perform technical design and programming, and apply analytical skills to deliver enterprise UI solutions.

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.

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

Senior-level remote Fullstack JavaScript developer responsible for building and owning frontend and backend features using JavaScript/TypeScript, Node.js, and React. Develop RESTful APIs, work with relational or NoSQL databases, use cloud services (AWS), mentor teammates, and potentially grow into technical leadership. Requires strong English and availability to overlap time zones.

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.