Top Senior Javascript Jobs in Miami, FL

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

Lead application migration and modernization initiatives to AWS, utilizing cloud-native practices and providing technical leadership for development teams.

As a Senior Software Engineer, you will build and enhance internal systems and tools that enable product engineering, focusing on high-quality software across the core platform, and contribute to intelligent AI-driven product capabilities.

Lead test strategy and automation across products, build and maintain automated API and UI tests, improve test frameworks and CI/CD, author test plans, report defects, and champion quality across teams.

The Sr. AWS Developer implements complex solution designs using AWS architectures and leads development teams to enhance contact center solutions, primarily leveraging Amazon Connect.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

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

Senior DevOps Engineer/Consultant role focusing on DevOps transformations, coaching clients, managing infrastructure, and automating software delivery processes.

Lead and technically supervise cross-functional Agile teams building and rearchitecting HIS software products. Hire, mentor, set technical direction, prioritize backlogs, drive CI/CD and quality, coordinate with product and business stakeholders, and champion Agile practices to deliver cloud and on-premises solutions that improve healthcare outcomes.

Lead design and implementation of advanced, high-performance financial charts and interactive visualizations for web applications. Architect reusable visualization frameworks, optimize rendering for large real-time datasets, ensure accessibility and performance, and provide technical leadership and mentorship across cross-functional teams.

Build and maintain high-traffic full-stack web experiences using React and Next.js, design and integrate APIs, ensure observability and testing, debug production issues, lead architecture and AI experimentation, and mentor engineers to deliver scalable, reliable booking and purchasing systems.

Build and maintain scalable, high-performance web applications and data-visualization platforms using React, Redux, Vite, and TypeScript. Collaborate with cross-functional teams to design features, write clean code and tests, debug, contribute to APIs, mentor junior engineers, and apply modern development practices including CI/CD and accessibility considerations.

Develop and maintain ClickHouse Cloud interfaces and dashboards, collaborating with multi-disciplinary teams to enhance user experience and system reliability.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

The Senior Research Engineer designs and builds data-intensive systems and tooling, mentoring the team and enhancing project efficiency across research and civic technology.

Build and maintain interactive software and hardware-integrated experiences across web, real-time graphics, installations, and games. Prototype, architect, estimate, document, support on-site installs, and collaborate with designers, producers, and clients to deliver creative technology projects.

Design and implement integrations for a B2B platform, focusing on ERP systems and API architectures while providing technical leadership.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.

Owner of full-stack features and platform reliability: build scalable web applications, optimize PostgreSQL performance, maintain asynchronous infrastructure (Celery), migrate frontend to server-side HTMX, ship revenue-driving features, ensure observability and SLO-driven reliability, collaborate cross-functionally, write testable code, and participate in architecture and code reviews.

Lead and grow a full‑stack engineering team building customer data and identity solutions. Own architecture, APIs, component libraries, code quality, hiring, mentoring, roadmap execution, and cross‑functional collaboration. Contribute code for high‑impact items and ensure scalable systems and agile best practices.

Lead and mentor engineering teams to deliver high-quality, AI-driven software, ensuring accountability and continuous improvement in development processes.

The Staff SDET will design and implement automated test frameworks using TypeScript, collaborate with developers, and enhance testing processes within CI/CD pipelines.

Provide technical and architectural leadership to the software development team, design software solutions, mentor team members, and drive projects to completion.

The Sr. Software Engineer will develop and test applications using .NET and SQL, collaborate with teams, ensure quality practices, and maintain technical documentation. They will contribute to software design and process improvements while adapting to changing environments in payment systems.

The Digital Consulting Architect will lead CPQ strategy and architecture, ensuring alignment with client goals, and manage scalable solutions for Quote-to-Cash processes, including integration and hands-on development tasks.