Top Senior Javascript Jobs in Miami, FL

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.

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.

Own and build the company website using a modern headless CMS stack (Next.js, Sanity, Vercel). Deliver end-to-end features, maintain content models and editorial workflows, integrate third-party APIs and analytics, implement A/B testing and tracking, and uphold performance, accessibility, and SEO standards while collaborating across product, marketing, and engineering.

The Senior Software Engineer will collaborate with teams to build and optimize a robust web application, ensure code quality, and elevate team impact.

The Staff Software Engineer will develop customer-facing web applications, lead technical design, improve system performance, and mentor other engineers while exploring new technologies. The role focuses on enhancing healthcare outcomes through innovation.

As a Senior Software Engineer at Algolia, you will enhance user experiences, mentor engineers, design scalable solutions, and collaborate with cross-functional teams to improve product growth and quality.

Lead full-stack developer responsible for designing, building, and maintaining Salesforce Commerce Cloud e-commerce solutions and integrations (ERP/CRM). Mentor junior developers, provide technical leadership, troubleshoot issues, and deliver scalable, secure code while collaborating with cross-functional teams.

Lead and develop a team of Technical Leads and Software Developers, overseeing performance management and technical delivery of solutions on the OutSystems platform.

The Staff Software Engineer will lead technical initiatives for subscription growth, oversee experiment cycles, and mentor engineers to improve velocity and quality in product output.

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.

Design, build, and maintain scalable full-stack web applications. Implement backend APIs and responsive frontends, deploy to cloud, ensure security/performance, write tests, debug issues, participate in reviews, and mentor junior developers.

Develop and maintain Ubegos frontend products: mobile/web quest experiences, user and creator dashboards, admin panel, marketing features, and third-party integrations. Work in one-week Scrum sprints, perform code reviews, contribute to software architecture, and use modern frontend frameworks, relational databases, and AI-assisted coding tools.

Design, develop, and maintain software solutions. Collaborate with teams, conduct code reviews, and mentor junior developers to ensure software quality.