Top Senior Javascript Jobs in NYC, NY

Develop and maintain the ArcGIS Excalibur application, architect solutions, integrate technologies, and resolve software issues. Requires front-end development experience and collaboration with teams.

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 role involves developing core features for the Poe platform, collaborating with teams, ensuring user-friendly experiences, and mentoring staff.

As a Senior Backend Engineer at Uniswap Labs, you will write high-quality code, lead projects, and mentor junior engineers while building scalable cloud systems.

As a Senior Software Engineer, you'll build and extend web technologies, make key architectural decisions, and mentor junior developers in a fast-paced environment.

Lead backend development of applications and distributed systems, make architectural decisions, and optimize performance for scalable web applications.

As a Sr. Software Engineer, you'll develop full-stack features for a web product, lead the mentoring of junior engineers, and focus on systems design and architecture.

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.

The Senior Software Engineer (Backend) will architect and lead development of applications and systems, implementing CI/CD workflows and building scalable solutions.

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

The Senior Full Stack Engineer will design and implement APIs with NodeJS, develop UIs with React, manage data pipelines, and deploy projects on AWS.

The Full Stack Software Engineer will develop front and back-end applications for Versana's platform, optimize performance, and mentor team members.

The role involves building and maintaining backend infrastructure, developing core products, driving technical delivery, and participating in customer discovery efforts.

Develop and build features for a data privacy application, collaborating with teams on design, planning, testing, and customer support.

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.

Design and build scalable backend systems, contribute to backend development, prioritize deliverables, and design frameworks for ML applications.

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

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