Top Senior Javascript Jobs

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-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.

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.

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.

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.

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.

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.

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

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.

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.

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.