Top Javascript Jobs in Miami, FL

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

The UX/QA Engineer validates web and mobile products for usability, visual consistency, accessibility, responsiveness, compatibility, performance, and functional accuracy. Responsibilities include creating test plans, testing complex patient and provider journeys, analyzing logs and browser tools, identifying root causes, using AI-assisted testing tools, automating UI regression tests, managing defects in Jira, and collaborating within Agile teams.

Develop high-quality, resilient software across Ubuntu and the open source stack, from Linux systems and firmware to cloud, containers, and desktop applications. Contribute to product roadmaps, user experience, code reviews, issue resolution, security, and enterprise requirements. Collaborate remotely with global engineering teams and the open source community, while building expertise in programming languages and Linux systems. Attend international company sprints twice yearly.

Design, build, and maintain backend services in TypeScript for millions of users; develop full‑stack features with React/React Native; participate in code reviews; provide technical leadership, mentorship, and architecture guidance; collaborate with PM and design; use monitoring/metrics and Agile practices to deliver scalable, user-focused products.

Design and execute test plans, automate end-to-end tests, track and resolve defects, enforce quality standards, perform performance and security testing, ensure regulatory compliance, and collaborate with cross-functional teams to support CI/CD and cloud-based deployments.

Volunteer WordPress Developer to migrate and maintain a content library, build new features, and create custom themes, plugins, and widgets. Work remotely for ~5+ hours/week, attend weekly meetings, and respond within 24 hours to support an active nonprofit volunteer team.

Build and scale full-stack platforms for independent insurance agents, with a front-end focus. Develop, test, deploy, monitor, and support resilient software solutions; collaborate with Design, Product, engineering teammates, and business stakeholders; investigate customer problems; resolve production incidents; document work; and improve code and development processes.

Senior iOS Developer to design and build secure, high-performance iOS apps using Swift (SwiftUI/UIKit). Implement webview integrations (WKWebView/ASWeb), ASWebAuthenticationSession for OAuth/SSO, JavaScript interop, and native features (camera, push, maps). Ensure responsive web content handling and secure data management. Remote role but must be Bangalore-based with weekly (~1 hour) client office visit to collect a device.

Design, build, and maintain software applications; collaborate with engineers, analysts, and stakeholders; resolve bugs and production issues; write scalable, testable code; perform testing and debugging; produce technical documentation; mentor peers; participate in on-call rotation; leverage the team's data ecosystem to inform application design and improvements.

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

The Full Stack Software Dev Engineer II is responsible for designing, building, and operating scalable full stack systems, ensuring reliability and security, and collaborating with AI tools to enhance development processes.

Internship role to design and implement automated testing using low-code/no-code platforms. Create, maintain, and run automated test cases, document and track defects, produce test plans and reports, improve test coverage, and communicate progress with clients and teams. Involves end-to-end responsibility from planning through deployment and incorporation of feedback.

Build an internal web tool to browse and validate healthcare event data flowing through AWS cloud pipelines. Write SQL queries and views over large datasets, identify incomplete fields and schema mismatches, and surface data gaps. The internship provides experience with AWS architecture, CI/CD deployment, healthcare data, Agile workflows, large-scale data pipelines, and engineering automation.

Support and improve internal technology infrastructure by troubleshooting applications, servers, networks, and databases; building automations and integrations; managing SQL, cloud infrastructure, DevOps processes, CI/CD pipelines, deployments, and version control; improving system reliability and scalability; collaborating with teams; documenting procedures; and applying security best practices.

Develop and maintain Python software applications, backend services, APIs, integrations, and database solutions. Responsibilities include troubleshooting, testing, deployment, code review, performance monitoring, documentation, and collaboration with a distributed remote team. The role requires independent work, strong communication, and reliable delivery of maintainable, scalable software.

As a Full Stack Engineer, you'll develop full-stack applications using .NET and React, focusing on creating user-friendly interfaces and robust backends for AI integration. Responsibilities include API design, database management, application deployment, code quality assurance, and collaboration with cross-functional teams.

Hands-on technical leader and core individual contributor building cloud-native defense/intelligence software. Drive architecture, code reviews, feature delivery, and mentor a small Agile team while implementing DevOps, CI/CD, and robust AWS/EKS-based deployments.

Design, build, and optimize responsive, high-performance front-end interfaces for a Web3 DEX using modern JavaScript frameworks and TypeScript. Collaborate with designers, product, and back-end teams to integrate blockchain APIs and smart contracts, mentor junior developers, troubleshoot issues, and contribute to mobile-first/PWA development while ensuring scalability and maintainability.

Build and maintain GTM infrastructure and integrations to support Sales, Marketing, and Customer Success. Automate workflows, ensure data hygiene, create reporting pipelines/dashboards, and partner with RevOps and GTM leaders to translate business needs into scalable technical solutions.

Defines enterprise application architectures, standards, frameworks, and reference implementations for scalable, secure solutions. Evaluates technologies, designs integrations, documents solutions, facilitates discovery and technical workshops, and partners with product, design, and engineering teams. Mentors technical leads and senior engineers while driving architectural best practices and emerging technology adoption. Requires expertise across Java, frontend frameworks, AWS, infrastructure as code, enterprise integration, Salesforce, and distributed application design.

Lead end-to-end design, development, and delivery of full‑stack features; drive architecture and code reviews; coordinate engineering work, write design docs and tests, and participate in Agile ceremonies. Must have blockchain/crypto experience.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end developers, implement UI/UX designs, write clean maintainable code, and debug front-end issues to ensure high performance across devices and browsers.

Lead and architect scalable web systems, mentor frontend and backend developers, define coding standards and roadmaps, drive implementations using React/Next/Node/NestJS, produce technical documentation, conduct code reviews, and collaborate with product and DevOps to deliver secure, maintainable solutions.

Build and maintain responsive, accessible React/NextJS web interfaces and support Chrome extension development (Manifest V3). Integrate with backend APIs or WebSockets, optimize performance, write tests, perform code reviews, monitor and document extension and web app behavior, and collaborate with cross-functional teams.

Lead full-stack engineering for a browser extension and backend services, drive AI integrations with strong data privacy, mentor and recruit engineers, manage complex integrations, ensure code quality and SOC2 compliance readiness, and make architectural decisions to scale the platform.