Top Javascript Jobs in Miami, FL

Build and ship Topstep’s mobile trading MVP using React Native and TypeScript for iOS and Android. Own features from design through release, establish reusable architecture and components, integrate GraphQL and real-time data, optimize performance and reliability, write tests, support production, and mentor engineers. Collaborate cross-functionally to create accessible, responsive mobile experiences for high-volume trading activity.

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.

Maintains and designs enterprise systems, VMware infrastructure, virtual machines, containers, Kubernetes clusters, storage, backups, and cloud services. Monitors performance and security events, manages Windows patching, develops PowerShell, Linux, and API automation scripts, supports system resiliency and scalability, and collaborates with IT teams, vendors, and management on projects, quality controls, and operational improvements.

Maintain and enhance existing public-facing geospatial applications for the USGS National Map. Develop with JavaScript, troubleshoot and improve code, and support scalable AWS-based data workflows using the AWS SDK, CLI, Lambda, S3, and EC2. Apply software engineering fundamentals, testing, debugging, version control, and analytical problem-solving while collaborating in a technical environment. Python, front-end frameworks, Node.js, REST APIs, additional cloud platforms, and Esri technologies are preferred.

Develop and maintain public-facing National Map applications for USGS. Responsibilities include improving existing functionality, troubleshooting, JavaScript development, AWS cloud workflow automation, testing, debugging, and scalability improvements. The role requires collaboration, analytical problem-solving, software engineering fundamentals, and experience with AWS SDK, CLI, Lambda, S3, and EC2. Preferred experience includes Python, modern front-end frameworks, Node.js, REST APIs, additional cloud platforms, and Esri technologies.

Develops, maintains, and enhances scalable web applications, internal tools, libraries, and shared components for international enterprise clients. Collaborates with cross-functional teams, participates in code reviews, creates technical documentation, and shares knowledge. Requires strong software development principles, design patterns, cloud, database, CI/CD, messaging, testing, and mobile framework experience.

Owns end-to-end enterprise application architecture for secure, scalable court-record systems. Responsibilities include designing microservices, REST APIs, micro-frontends, cloud and hybrid-cloud solutions, authentication frameworks, workflows, and integrations; leading architectural reviews, code reviews, DevSecOps and CI/CD initiatives; mentoring technical teams; evaluating technologies; and ensuring security, compliance, accessibility, and governance standards.

Leads and develops a software engineering team while contributing hands-on to enterprise application design, coding, testing, code reviews, production support, and technical decisions. Builds scalable solutions using C#, ASP.NET, SQL Server, and modern web technologies; partners with product and business stakeholders; supports Agile delivery, CI/CD, troubleshooting, root cause analysis, and engineering best practices. The role also includes mentoring engineers, monitoring delivery and operational metrics, and driving continuous improvement.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and JavaScript. Responsibilities include building UI/UX components, reviewing requirements and designs, consuming REST APIs, optimizing performance and scalability, debugging, documenting changes, participating in code reviews, and collaborating with team members. The role is remote, supports a federal customer, and requires Public Trust clearance and U.S. citizenship.

Maintain and support Java-based healthcare SaaS applications across multiple customer environments. Responsibilities include bug fixes, feature delivery, refactoring, deployments, security remediation, SQL and data migrations, code reviews, configuration improvements, and production support. The role requires a generalist software engineer comfortable with Java, Angular, SQL, REST APIs, enterprise applications, and customer-facing environments.

Develop and maintain a ServiceNow Service Portal for the NSF Tech Accelerators initiative. Build responsive pages and widgets, implement accessibility standards, apply branding, assess portal UX, and document improvement plans. Collaborate with designers, content developers, program teams, and communications stakeholders to translate user needs and engagement plans into effective digital experiences. The role requires strong HTML, CSS/SCSS, JavaScript, Bootstrap, ServiceNow, responsive design, information architecture, and Section 508/WCAG implementation skills.

Develops, tests, deploys, and supports attended and unattended UiPath RPA automations. Works with stakeholders to analyze processes, gather requirements, identify automation opportunities, and translate needs into technical solutions. Builds database and API integrations using SQL and programming languages, applies web technologies for browser automation, and maintains documentation. Troubleshoots automations, supports Agile and Waterfall development, participates in testing and project planning, and provides operational status updates.

Leads the engineering team responsible for executive reporting, including historical vulnerability reporting, dashboards, report generation, data aggregation, and export workflows. Owns delivery, architecture, production operations, data quality, performance, observability, and automated deployment pipelines. Partners with product and engineering teams to define priorities and reliable reporting metrics while mentoring engineers and applying AI where useful.

Build and maintain full-stack software for startup clients, including backend services, frontend experiences, new features, redesigns, bug fixes, and product improvements. Collaborate daily with product managers, designers, and engineers in a distributed, agile environment. Take ownership across the technology stack, write clean maintainable code, contribute to client missions, and support team growth and knowledge sharing.

Build and maintain AWS-based DevOps infrastructure, CI/CD pipelines, containerized microservices, and Infrastructure as Code. Improve observability, resilience, security, compliance, and scalability through monitoring, vulnerability management, system hardening, and performance testing. Collaborate with development teams to resolve outages, contribute to architecture and software development, review code, document systems, mentor engineers, and participate in Agile ceremonies and on-call support.

Develop, test, deploy, and maintain full-stack enterprise applications in AWS. Build front-end interfaces, backend services, APIs, integrations, and database components; troubleshoot complex technical issues; contribute to architecture and design decisions; support CI/CD and production readiness; conduct code reviews; collaborate across Product, QA, and DevOps; and mentor junior developers.

Operate and maintain highly available, secure, containerized SaaS applications across AWS and Azure. Responsibilities include rotating 24x7 on-call coverage, observability, incident and security response, disaster recovery, Terraform infrastructure-as-code, CI/CD automation, cloud integration, performance optimization, and developing AI agents to automate SRE and DevSecOps workflows.

Lead enterprise B2B integration projects for strategic customers using APIs, webhooks, connectors, cloud services, and scalable integration architectures. Gather requirements, design technical solutions, develop and review code, document best practices, troubleshoot implementations, and support customer deployments. Collaborate with product, sales, systems engineering, and developer ecosystem teams while managing complex projects and multiple stakeholders. Apply Python, cloud platforms, LLM-based tools, agentic workflows, databases, and modern Agile practices.

Design, build, and operate cloud-native, enterprise-grade SaaS services on Azure. Lead architecture and design, develop APIs and UIs, apply AI-enabled engineering tools, ensure observability, support production incidents, and drive reliability, performance, and CI/CD improvements across teams.

Develop and maintain full-stack web applications for a federal environmental data client. Responsibilities include participating in Agile SDLC activities, designing and implementing scalable software, collaborating with analysts and stakeholders, testing and deploying applications, maintaining technical documentation, following development best practices, and recommending modern tools and technologies. The role requires AWS, TypeScript, Node.js, React or Angular, PostgreSQL, event-driven architecture, and strong communication skills.

Develop, maintain, troubleshoot, and improve public-facing GIS applications supporting the USGS National Map. Build JavaScript solutions, automate AWS cloud-based data workflows using Lambda, S3, and EC2, improve scalability and efficiency, and collaborate on testing and problem-solving. The role involves understanding existing code, applying software engineering fundamentals, and developing maintainable applications. Python, modern front-end frameworks, Node.js, REST APIs, additional cloud platforms, and Esri technologies are preferred.

Develop, maintain, troubleshoot, and improve public-facing GIS applications supporting the USGS National Map. Build JavaScript solutions, use AWS services and tooling to automate cloud-based data workflows, improve scalability and efficiency, and collaborate on maintainable software. The role involves working with existing applications, debugging, testing, and applying software engineering fundamentals to solve technical problems.

Leads cross-functional software development efforts, including architecture, design, development, testing, deployment, support, code reviews, and technical problem resolution. Mentors developers, establishes coding standards, improves system scalability and availability, manages source code, promotes unit testing, estimates work, and supports Scrum team delivery. The role requires .NET, web development, APIs, microservices, distributed systems, cloud, databases, and software testing experience.

Leads a team of 10 engineers building and maintaining NIBRS and compliance reporting capabilities for public safety records platforms. Oversees technical quality, validation, certification, delivery, incident follow-through, resource allocation, and team development. Partners with product, R&D, agencies, and regulators to implement federal and state reporting requirements, improve engineering operations, and define the roadmap for new states, report types, automation, and platform capabilities. The role is remote within the United States with travel of up to 25%.

Own the enterprise test automation strategy, scale a Playwright and JavaScript framework, expand coverage across Salesforce, MuleSoft, D365, and reporting systems, and build scalable execution and reporting infrastructure. Design QA standards, metrics, and review processes while developing AI-powered agents with Cursor for performance testing, regression analysis, and defect triage. Partner with engineering, product, business, and AI platform teams to deliver governed, reusable quality tooling.