Top Senior Javascript Jobs in Miami, FL

Design, build, and maintain automated test frameworks for UI, API, and integration testing; integrate tests into CI/CD; perform performance/load testing; collaborate with engineers to prevent defects; define quality metrics; review code; and mentor junior engineers to drive automation-first quality practices.

Design, build, and maintain scalable web applications using Python and React. Collaborate with teams and ensure application security and performance.

As a Senior Software Engineer (Backend), you will design and implement scalable applications, collaborate with agile teams, and mentor junior members while ensuring high code quality and performance.

Lead development of interactive React front-ends with Chakra UI and Mapbox, build data visualizations (Plotly/ApexCharts), optimize performance for large and real-time datasets, enforce front-end best practices, mentor engineers, and collaborate with product, design, and backend teams to deliver accessible, responsive interfaces.

This role focuses on enhancing developer productivity for Hightouch's engineering team by owning the build/test/deploy processes, improving multi-cloud infrastructure, and driving excellence in testing.

The Staff Software Engineer will lead technical projects, develop full-stack software, mentor teams, and drive product direction at Propel, focusing on impactful solutions.

The Senior Product Engineer will oversee the development of ArcGIS web services, ensuring reliability and scalability while balancing customer needs and product goals.

Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.

The Growth Engineer will build and manage systems for GTM data, revenue automation, and personalization, impacting customer acquisition and revenue growth through scalable engineering solutions.

Responsibilities include installation and customization of IAM software, developing Java code, communicating with clients, managing application onboarding, and preparing documentation.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

Lead architecture and build scalable, secure production services while championing AI-native development. Mentor engineers, influence technical direction, review PRs, and help evolve a legacy monolith to a modern stack in partnership with product and exec leadership.

As an Engineering Manager, lead a team of engineers, coaching their development while ensuring quality results and implementing engineering processes.

You will lead engineering teams, develop managers, hire staff, drive quality, and ensure disciplined processes while representing products to stakeholders.

The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.

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 Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

Lead technical initiatives and oversee product delivery, translating requirements into scalable software designs while collaborating with cross-functional teams.

Manage and evolve enterprise-scale API Gateway integration platforms, implement IAC and AWS-based infrastructure, ensure observability and reliability, mentor engineers, lead platform enhancements, drive SRE practices (SLOs/SLIs), perform debugging/testing, and produce operational documentation.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

Designs, builds, and maintains integrations across Microsoft 365, the Power Platform, AI/Copilot, and line-of-business apps. Implements connectors, APIs, authentication patterns, and Copilot Studio agents; ensures security and compliance; drives adoption through documentation, training, monitoring, and iterative improvements; partners with Cloud Services, InfoSec, and business stakeholders.

Develop scalable Java full-stack applications using Spring Boot, REST APIs, microservices, React or Angular, databases, cloud platforms, Docker, and Kubernetes. Build and integrate generative and agentic AI capabilities, including LLMs, RAG, vector databases, orchestration, tool calling, and MCP. Partner with enterprise stakeholders to prototype, deploy, secure, monitor, and support production solutions while translating ambiguous business needs into technical implementations.

As a Senior Full Stack Software Engineer, you will build and improve products, create user interfaces and APIs, and collaborate with various teams to enhance the customer experience.

Design, build, test, refactor, and maintain production Rails software using Rails, Bootstrap, Stimulus, and Postgres. Own a defined codebase area, design data models, review code, maintain disciplined testing, collaborate with product managers, and mentor 1–3 junior engineers. Contribute in a fast-moving startup environment, evaluate third-party tools and APIs, and use AI development tools such as Claude Code or Codex.

Leads the Customer Developer Experience engineering team, setting technical strategy for open-source TypeScript and React tooling. Responsibilities include supporting external developers, improving documentation and integration workflows, prioritizing work with cross-functional teams, recruiting, mentoring engineers, and maintaining high standards for software quality, testing, and reliability.