Top Senior Javascript Jobs in NYC, NY

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

Drive design and implementation of product requirements, collaborate with teams, mentor engineers, and influence platform features and improvements.

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

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

The role involves designing and developing the ArcGIS Maps SDK for JavaScript, collaborating with stakeholders, troubleshooting issues, and ensuring high-quality web experiences.

As a Senior Backend Engineer, you will develop a lending platform, write maintainable code, troubleshoot issues, and enhance data models collaboratively with other engineers.

Lead significant parts of product development focusing on both frontend and backend solutions while ensuring a strong user experience.

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

The Staff Backend Engineer will develop and deliver backend features for creators on Patreon, focusing on scalability and performance while mentoring other engineers.

As a Senior Software Engineer, you'll develop online service capabilities for a competitive shooter, optimize code, and support the development process.

The Founding Software Engineer will design, develop, and maintain web applications, optimizing performance and collaborating with stakeholders on requirements.

Design and develop backend systems for Fern's financial products, ensuring accessibility and security for millions of users while moving large transaction volumes.

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.

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

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.

Develop and enhance the core product by writing efficient code for data ingestion, model building, and feature development. Collaborate with the Scaling team to optimize algorithms for performance.

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.

The Senior Backend Software Engineer will develop new banking features, improve existing Kotlin services, and ensure high software quality in a cross-functional team.