Top Javascript Jobs in Miami, FL

Build and review full-stack software environments for AI training. Develop frontend and backend features, integrate APIs, debug issues across UI and data layers, improve code quality, document technical reasoning, and review peer submissions. The role requires frontend and backend development experience with frameworks such as React or Angular and stacks including Node.js, Python, Java, or Go. Prior AI experience is not required.

Lead a software engineering pod while contributing hands-on code to build and scale SaaS platform features. Responsibilities include architecture and technical design, production development, code reviews, troubleshooting, planning, mentoring, cross-team collaboration, AI-assisted development, and ensuring maintainable, secure, scalable, high-quality delivery.

Perform load, stress, and endurance testing across e-commerce storefronts, internal SaaS tools, and AI agent services. Design test strategies, execute tests with tools like JMeter/Gatling, analyze observability metrics, identify bottlenecks in Node.js/NestJS, PostgreSQL, and Redis, and integrate performance tests into CI/CD while collaborating with SRE and backend teams.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Design, build, and maintain WordPress sites, custom themes, and plugins. Create responsive, accessible front-end code (HTML/CSS/JS); optimize performance, Core Web Vitals, and SEO; manage WP configuration, security, and plugin updates; integrate CRMs/analytics; troubleshoot issues; maintain documentation; support QA and collaborate asynchronously with Marketing and Design.

Design, build and maintain Microsoft Cloud applications using Power Apps/Pages and Azure services. Implement Entra ID authentication, Azure Functions/App Services, Logic Apps and Blob storage. Create Azure Data Factory pipelines and APIs (REST/GraphQL), integrate external services and LLM data pipelines, and ensure performance, security, and scalability while collaborating with customers to turn requirements into streamlined apps.

Support building and redesigning responsive, mobile-friendly websites; create wireframes and sitemaps; develop front-end UIs and assist with back-end tasks; optimize for performance, scalability, and SEO; participate in brainstorming, debugging, testing, and follow clean coding and version-control best practices under developer mentorship.

Develop and deploy Salesforce Marketing Cloud solutions: build email templates and web pages (HTML/CSS/JS), write AMPScript/SSJS/WSProxy, manage Automation Studio and Journey Builder, create integrations via REST/SOAP APIs, design data models with SQL and data extensions, document setups, and collaborate across teams while owning technical decisions.

Lead backend development to scale and harden API infrastructures, implement unit testing playbooks, optimize core algorithms, support migration from Supabase to a robust cloud provider, ensure system reliability and scalability, collaborate with frontend and DevOps, and integrate AI workflows and RPA where applicable.

Design and implement automated test frameworks and data validation utilities for enterprise data platforms. Validate data transformations, pipelines, lineage, and performance across Databricks, Snowflake, Spark, Hadoop and cloud environments. Integrate tests into CI/CD, perform white-box and performance testing, investigate production defects, and collaborate with Data Engineering, Analytics, and business stakeholders to ensure P&C insurance data quality and regulatory readiness.

Supports functional, exploratory, and automated testing for modern applications. Creates test cases, scripts, test data, and automated tests; validates APIs, integrations, messaging workflows, microservices, and user interfaces; documents results and defects; participates in triage, CI/CD testing, secure data handling, observability, and release documentation. Collaborates with product, development, DevSecOps, and operations teams while learning testing standards and delivery processes.

Build and maintain Django-based web applications, design RESTful APIs, implement frontend features (HTML/CSS/JS), optimize performance and security, collaborate with cross-functional teams throughout the development lifecycle.

Leads functional and automated testing for complex modern, cloud-based applications. Develops test strategies, plans, cases, and automation for unit, API, integration, UI, performance, security, and regression testing. Validates Kafka-based workflows, microservices, serverless systems, data pipelines, and CI/CD releases. Partners with engineering and DevSecOps teams on defect prevention, security, observability, environment readiness, root-cause analysis, and operational quality. Maintains audit-ready documentation and communicates risks and recommendations to stakeholders.

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.

Lead end-to-end delivery of 2-3 large SaaS customer implementations, triage cross-functional issues, build repeatable tooling and processes, mentor teammates, and feed implementation learnings into Product and Engineering while advancing AI-enabled workflows.

The Senior DevOps Engineer will design and maintain infrastructure for AI Care applications, automate deployment processes, monitor performance, and lead incident responses while mentoring junior colleagues.

Design, build, and maintain cross-platform mobile applications and end-to-end web features. Implement front-end interfaces, back-end services and RESTful APIs, optimize databases, write tests and documentation, perform code reviews, and collaborate with UX, QA, and DevOps to deliver high-quality, secure, and performant solutions.

The Full-Stack Developer will design, develop, and maintain applications, focusing on backend APIs and user interfaces, while optimizing for performance and reliability.

Own architecture, development, and reliability of ecommerce web applications (Symfony storefront and Laravel back-office). Lead front-end JavaScript/CSS direction, optimize SQL schemas/queries, improve observability and incident response, reduce legacy technical debt, establish AI-assisted development workflows, mentor engineers, and drive end-to-end delivery of scalable customer-facing features.

Design, develop, test, and deploy features for the EverHealth platform. Troubleshoot and debug, review PRs, expand unit test coverage, participate in agile ceremonies, and maintain application performance and observability.

Leads the design, development, testing, deployment, and maintenance of scalable full-stack web applications. Coordinates frontend and backend developers, translates requirements into technical plans, reviews code, mentors engineers, assigns tasks, monitors delivery, troubleshoots technical issues, and contributes to architecture decisions. Oversees APIs, databases, integrations, deployments, releases, security, performance, documentation, and application improvements while collaborating with product, design, and business teams.

Lead end-to-end feature development across API (Node.js), web (React/Next.js), and mobile (React Native). Scope, design, implement, test, and ship production systems; drive architecture and scalability for an AWS-backed, real-time IoT fleet; partner with product and raise engineering standards.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Lead and grow an engineering team building core VM and container platform capabilities for Azure. Drive technical strategy, execution, incident resolution, cross-team coordination, and scalable, secure platform innovations.