Top Javascript Jobs in Miami, FL

Build and maintain backend services and APIs, write unit tests, debug and optimize systems, support migration from Supabase to cloud, improve reliability, and integrate AI/RPA workflows while learning under senior mentorship.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Lead enterprise Shopify Plus implementations and replatforms from discovery through launch and optimization. Responsibilities include defining e-commerce architecture, integrating Shopify with ERP, OMS, PIM, fulfillment, marketing, payment, tax, and CRM systems, developing themes, apps, and integrations, leading technical client discussions, managing developers, conducting code reviews, and providing technical guidance across project lifecycles.

Develop automated software tests and system-wide automation infrastructure for distributed systems. Collaborate with developers and QA teams, create tests replicating real-world scenarios, improve testing methodologies, validate requirements and test coverage, and solve large-scale distributed systems problems using coding and related internet technologies.

Develop and deploy automated system tests for distributed systems, improve testing methodologies, validate test plans and cases, and collaborate with developers and QA teams. The role involves software QA, test automation framework development, root cause analysis, functional, stability, integration, and performance testing, plus solving large-scale systems testing challenges using programming and related internet technologies.

Principal frontend-focused software engineer responsible for leading frontend architecture, standards, tooling, accessibility, performance, testing, and deployment practices. The role delivers scalable customer-facing web applications, component libraries, and design systems using React or Angular. It includes cross-functional product collaboration, technical decision-making, mentoring, modernization initiatives, and occasional full-stack work. The position is remote, requires U.S. citizenship, Public Trust 6C eligibility, and approximately 0–10% business travel.

Design, develop, and maintain global eCommerce storefronts and internal web apps using Adobe ACCS, BigCommerce, modern front-end frameworks (React, JS, TypeScript), GraphQL, and related Adobe services. Build responsive, accessible UX/UI, integrate third-party APIs/webhooks, manage deployments, optimize performance/SEO, and support production operations.

Develop data integration, health information exchange, and IRIS application solutions for healthcare and other clients. Responsibilities include designing robust distributed applications, defining project specifications, selecting implementation strategies, collaborating directly with clients, and contributing to large-scale InterSystems IRIS and HealthShare implementations. Strong communication and software development skills are essential, with healthcare IT and healthcare data integration expertise highly valued.

Develop and maintain scalable full-stack software across front-end, application, and database layers. Design, test, debug, document, and deploy applications; troubleshoot complex customer issues; build reusable and maintainable components; manage Docker containerized applications; and work with PHP, AWS, REST APIs, databases, JavaScript, and React. Mentor software developers, advise on architecture, and support continuous technology improvement within a cross-functional team.

Build and maintain responsive marketing websites and landing pages from approved designs. Develop reusable components, collaborate with designers and marketers, implement SEO and analytics tracking, optimize performance and accessibility, troubleshoot technical issues, and maintain live client websites. The role is fully remote across U.S. time zones and requires strong collaboration with clients and internal specialists.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Design, develop, and maintain ServiceNow applications and platform capabilities across modules (ITSM, ITOM, HRSD, CSM, SecOps). Build integrations (REST/SOAP/MID Server), support upgrades and performance tuning, follow coding standards, troubleshoot incidents, produce documentation, and mentor junior developers.

Design, develop, and implement customized integration solutions using REST APIs and company tech stack. Collaborate with Integration Consultants and Engineering to deliver, test, document, and support integrations, troubleshoot issues, and translate business requirements into technical solutions.

Own and deliver scalable software features within dynamic squads, collaborating with product, design, QA, and engineering. Responsibilities include feature development, API and microservices work, testing, code reviews, Git workflows, performance optimization, Kubernetes/Azure/Cloudflare infrastructure management, documentation, demos, and mentoring junior engineers. The role requires JavaScript/TypeScript, databases, Web3 familiarity, independent execution, strong communication, and AI-supported development workflows.

Design, develop, and maintain secure cloud-based web applications and APIs in AWS and Azure. Ensure FedRAMP and DoD Impact Level compliance, apply modern web frameworks (React/Angular), serverless architectures, and CI/CD best practices to support a federated data ecosystem for DoD mission analytics and interoperability.

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

The Senior Software Engineer II will design scalable solutions, enhance application functionality, and collaborate with product managers to deliver features.

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.

The Principal Software Engineer leads the design and development of scalable software solutions, mentors engineers, and drives architectural decisions while collaborating with cross-functional teams.

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.

Design and execute manual and automated tests for web applications, build and maintain test frameworks and CI pipelines, identify and track bugs, validate fixes, collaborate with product and engineering, participate in agile ceremonies, and continuously improve QA processes and tooling to ensure high-quality releases.

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 Sr. Solutions Architect - SDDC is responsible for implementing data center infrastructure automation, conducting design and deployment tasks, mentoring team consultants, and ensuring seamless integration with existing systems.

The Front-End Developer will create user interfaces using Vue.js, optimize application performance, collaborate with teams, and maintain code quality through testing and reviews.