Top Senior Javascript Jobs in Los Angeles, CA

The role involves developing a data analytics platform using modern web technologies as a Senior Full-Stack JavaScript Developer, focusing on user-centric experiences.

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.

As a Senior JavaScript Engineer, you'll lead React projects, estimate workloads, review code, and align engineering with client objectives, creating scalable web applications.

Design, develop, and maintain back-end services and APIs using Node.js and TypeScript, while ensuring code quality, security, and scalability through testing and collaboration with QA and Product teams.

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.

As a Staff Software Engineer, you will lead enhancements of JavaScript ecosystem infrastructure focusing on automation, tooling, and security for npm packages while collaborating across teams.

Lead the development of data science dashboards to mitigate fire hazards, collaborating with various teams to enhance the web application and optimize backend services.

As a Senior Fullstack Software Engineer, you will guide architectural decisions, mentor junior developers, handle complex technical challenges, and ensure project alignment across teams using various front-end and back-end technologies.

As a Staff Software Engineer, you will build polished APIs, create internal tools, and collaborate with founders and designers to implement efficient backend systems.

The Senior Backend Engineer will extend back-end systems architecture, develop scalable services, and design REST APIs while ensuring code quality and fault tolerance.

Design and develop backend services for clinical AI, ensuring high quality and secure coding practices while collaborating across disciplines.

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

Join the Entefy team as a Senior Full Stack Engineer to build a scalable full stack application enhancing digital interaction for global clients.

The Senior Fullstack Engineer will design software architecture, deliver tested features, attend scrum meetings, and ensure seamless front-end and back-end integration.

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.

Seeking a Senior Software Engineer for full-stack development with 6+ years experience, focusing on Ruby on Rails and cloud technologies, in a remote US position.

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.

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

The Sr. Backend Engineer will develop the core platform and web app using Typescript and Node.js, focusing on performance optimization and UI/UX implementation.

Lead the development of features for Yahoo Finance focusing on personalization, implement best practices, and mentor other engineers.