Top Senior Javascript Jobs in Jacksonville, FL

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.

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

The Senior Staff Software Engineer will design and implement scalable backend services in Go, mentor junior staff, and ensure code quality through testing and reviews.

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

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

The Senior Software Engineer develops, maintains, and ensures the quality of software products, mentors peers, and leads technical projects.

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.

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.

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.

Design, develop, and maintain web applications using JavaScript, Node.js, and React. Collaborate on features, resolve issues, and improve engineering standards.

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

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, 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.

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