Top Senior Javascript Jobs

Develop full-stack web applications using JavaScript frameworks and tools, maintain APIs, contribute to design systems, and collaborate on engineering efforts.

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.

Senior front-end engineer responsible for building complex, interactive web applications using advanced JavaScript, HTML5 and CSS3. Collaborate with UX and product owners, design reusable components, enforce client-side business logic, and lead unit test and automation efforts while working in Agile teams.

Senior front-end developer building complex, interactive web applications using advanced JavaScript, HTML5 and CSS3. Collaborate with UX, product, and backend engineers to design reusable components, enforce client-side business logic, write and automate tests, and continuously improve product and processes.

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.

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.

As a Senior Full-Stack Software Engineer, you'll build AI-driven web applications in TypeScript, manage technical decisions, collaborate on products, and mentor team members while ensuring high-quality user experiences.

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.

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

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.

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.

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.

As a Senior Full-Stack Software Engineer, you will develop AI-centric web applications, participate in architectural decisions, and mentor team members while managing project priorities and deliverables.

Design, build, and optimize responsive React-based user interfaces. Translate designs into reusable components, integrate with RESTful APIs, ensure cross-browser performance, participate in code reviews, deploy/manage front-end apps on GCP, and troubleshoot front-end issues to deliver scalable, high-quality web applications.

Build responsive, accessible React frontends and Node.js backend services; use AI-assisted development tools responsibly to accelerate implementation, testing, and refactoring; follow TDD, CI/CD, and automated testing; collaborate with UX, product, and QA; contribute to hiring and knowledge sharing for the London engineering team.

Design and implement robust backend architectures using Node.js and TypeScript, focusing on scalable services and pipelines, while ensuring code integrity and optimizing performance.

Design, develop, and maintain front-end (React/HTML/CSS) and back-end (Django/Python) web applications. Architect platforms, perform code/design reviews, interface with stakeholders, write documentation and tests, support deployments and system performance improvements, and build monitoring/automation tools.

Design, develop, configure, test, and deploy front-end web applications using TypeScript/JavaScript and frameworks like Angular or React. Collaborate with analysts, PMs, and clients, participate in code/design reviews, write documentation and runbooks, build monitoring/automation tools, and support application infrastructure, deployments, and performance improvements.

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.

Maintain and improve the browser-based JavaScript SDK: handle builds, releases, performance, browser/iframe/CSP edge cases, CI/CD, and documentation; triage production issues and collaborate across teams to keep the SDK reliable and lightweight.

The Senior Front End Software Developer will create secure, performant, cross-platform applications, collaborate on feature implementations, and ensure code usability and testing, with a focus on design and structure.

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.

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.