Top Javascript Jobs in Miami, FL

Lead end-to-end development of modern frontend initiatives using React and Electron. Design scalable architecture, improve performance and test coverage, resolve production issues, influence technical decisions, and collaborate with Product, Design, and Backend teams. The role includes mentoring engineers, maintaining code quality, supporting observability and incident response, and building secure, high-quality customer-facing payment and form workflows.

Leads AI-enabled quality engineering and test automation across the SDLC. Builds automated UI, API, database, and batch testing frameworks; integrates intelligent testing into CI/CD pipelines; applies AI for test generation, defect prediction, root-cause analysis, regression optimization, anomaly detection, and quality monitoring. Partners with cross-functional teams, develops quality gates and dashboards, evaluates emerging AI tools, and mentors QA staff. Requires 5+ years of QA or test automation experience, programming proficiency, and hands-on AI/ML implementation.

Leads development and sustainment of the DOW logistics application using Java, JavaScript, and SQL. Designs application components, integrations, backend services, and system architecture; provides technical guidance; troubleshoots issues; improves performance; enforces code quality; collaborates with QA, DevSecOps, and systems engineers; and maintains technical documentation.

Owns the architecture, development, deployment, reliability, security, performance, and ongoing evolution of the company’s Next.js and Payload CMS marketing website. Leads integrations across analytics, consent management, CRM, search, automation, and other marketing platforms. Establishes development and CI/CD standards, troubleshoots production issues, evaluates AI-enabled technologies, manages vendors, and translates marketing requirements into technical priorities. The role will eventually lead a dedicated Web & Marketing Platforms function.

Own developer productivity across a large monorepo and the path to production. Improve build, test, deployment, and coverage workflows; enable teams to ship safely and quickly; support multi-cloud and multi-region expansion; and strengthen operational excellence. The role requires delivering framework-level improvements across teams while contributing to backend feature code and working directly with customers on complex scaling challenges.

Build and own AI-assisted development infrastructure, including autonomous cloud development environments, MCP integrations, agent documentation, internal tooling, and enablement programs. Improve how engineering teams use AI coding agents across the organization, drive cross-team adoption, and stay current with AI productivity trends. The role requires strong software engineering, developer tooling, cloud infrastructure, CI/CD, and application development experience.

Design, develop, secure, and maintain mission-critical Microsoft-platform software for DoD programs. Build C# and .NET applications, responsive JavaScript and EXT JS interfaces, REST APIs, and optimized SQL Server databases. Apply secure coding, STIG, RMF, threat modeling, vulnerability remediation, documentation, and compliance practices. Integrate Kiro AI capabilities, collaborate with cybersecurity and engineering teams, and support deployment and sustainment in classified or controlled environments.

Lead front-end architecture and cross-team technical initiatives for the NodeZero platform. Build scalable React and TypeScript systems, reusable components, developer tooling, and shared frameworks while improving performance, reliability, accessibility, observability, and CI/CD workflows. Mentor engineers, establish engineering standards, guide technical strategy, reduce technical debt, and collaborate with Product, Design, Platform, Security, and engineering teams.

The Senior Salesforce Developer designs, develops, tests, integrates, and launches Salesforce solutions for customers and internal products. Responsibilities include requirements definition, solution architecture, Lightning Web Components, Apex, JavaScript, Flows, Salesforce and external-system integrations, deployment management, SDLC ownership, and mentoring junior developers. The role also involves staying current with Salesforce features, training the team, collaborating with architects and customers, and potentially traveling up to 25%.

Lead the design, development, customization, integration, optimization, and support of ServiceNow ITSM solutions. Manage modules including Incident, Problem, Change, Request, Service Catalog, and CMDB; develop scripts, workflows, integrations, and platform enhancements; troubleshoot production issues and support upgrades. Partner with stakeholders to deliver ITIL-aligned solutions, provide technical leadership, and mentor junior developers.

Design, develop, and maintain scalable cloud-native backend applications using Node.js, React, and AWS services. Build secure, high-performing solutions supporting federal missions, troubleshoot complex issues, collaborate with cross-functional teams, and contribute to agile development. Responsibilities include working with serverless services, databases, CI/CD tools, and modern JavaScript technologies while delivering high-quality software.

Build and maintain production software implementing healthcare interoperability standards, including FHIR and HL7. Develop APIs, services, data pipelines, validation logic, data models, and automated tests while preserving clinical meaning and data quality. Collaborate with engineers, data scientists, healthcare professionals, product managers, and operations staff to deliver scalable healthcare solutions.

Design, build, deploy, and operationalize Palantir Foundry solutions for defense and security customers. Develop data pipelines, ontology models, operator applications, integrations, and custom widgets using real-time intelligence. Debug infrastructure, networking, and application layers across cloud, hybrid, restricted, disconnected, and on-premises environments. Partner with customer stakeholders, advise technical teams, and own solutions end to end. Travel to secure customer sites and operations centers approximately 25–75% of the time.

Design and operate large-scale, AI-native cloud infrastructure (especially Kubernetes/AKS). Improve service quality, automate incident prevention/remediation, accelerate engineering productivity, and integrate AI tools into development workflows.

Build and maintain large-scale automation and control systems for Azure Kubernetes Service. Responsibilities include improving Kubernetes cluster performance and reliability, automating cluster lifecycle operations, developing safety and observability tools, supporting secure infrastructure changes, participating in production operations and on-call rotations, and mentoring engineers through design reviews and continuous improvement.

Develop and maintain high-scale JavaScript and TypeScript advertising technology, specializing in Prebid.js, Prebid Server, header bidding, and Google Ad Manager. Own the header bidding wrapper, implement ad tech integrations, monitor Core Web Vitals and performance, review code, track industry standards, and maintain deployed solutions. The role requires deep programmatic advertising expertise, Google Cloud experience, and ownership of reliable client-side monetization systems.

Build and maintain clean, user-friendly React Native screens and components for iOS and Android. Implement UI/UX from provided designs, integrate APIs, collaborate with backend and AI teams, fix bugs, and keep the codebase organized.

Build production-grade test automation infrastructure across API, integration, end-to-end, contract, regression, load, and performance testing. Develop Playwright suites, integrate automated tests with GitHub Actions release gates, create AI-assisted test generation workflows, maintain coverage dashboards, reduce flakiness, and establish performance-testing frameworks. Partner with engineers and product managers to define coverage, acceptance criteria, performance thresholds, and quality standards across the organization.

Design, develop, maintain, and review UI and API test automation using Cucumber and related tools. Document test cases, manage test data, analyze failed and long-running tests, perform manual testing, and integrate automation with CI/CD environments. Collaborate with software engineers, product teams, and Scrum teammates to improve test coverage, troubleshoot defects, clarify requirements, and maintain quality practices. The role also includes estimating work, participating in test planning, and mentoring team members.

Develops, tests, deploys, and supports major software features and services. The role translates product requirements into maintainable technical solutions, makes design and performance trade-offs, performs root-cause analysis, conducts code reviews, improves development and deployment practices, and mentors newer engineers. The position requires collaboration across engineering and product teams and includes working with Java, SQL, XML, web technologies, JavaScript, and Oracle databases.

Own the managed services tooling ecosystem, building API, webhook, and email integrations across RMM, monitoring, backup, and ITSM platforms. Configure Jira Service Management, reduce alert noise, troubleshoot tooling failures, establish integration standards, evaluate new tools, and ensure customer-specific rollouts. Produce operational reporting, explain tooling to customers, and maintain auditable documentation within ITIL-aligned change management processes.

Lead the technical evolution of Kilo Code, a large-scale VS Code AI coding extension. Responsibilities include setting architecture and performance direction, building advanced AI-assisted workflows, optimizing startup time and memory usage, driving cross-team initiatives, mentoring engineers, owning production delivery, and establishing engineering standards for context optimization and LLM workflows. The role partners with Product and Design to shape roadmaps and requires hands-on technical leadership across a mature codebase serving millions of users.

Leads full-stack development of responsive, mission-critical web applications across the software development lifecycle. Analyzes, configures, and tunes applications; designs maintainable component solutions; establishes development standards; collaborates with integration, QA, operations, and business teams; and mentors junior engineers. The role requires expertise in modern web technologies, cloud platforms, Agile Scrum, and software design, testing, release, and operational support.

Build core experiences for bank administrators and customers by developing streamlined user flows, robust APIs, and third-party integrations. The role emphasizes clean, documented, tested code; system design; error handling; performance; domain-driven design; microservice architecture; and technical guidance through code reviews. Candidates will primarily work with front-end technologies while contributing to backend services in an agile Scrum environment.

Leads and grows an engineering team responsible for customer-facing web, mobile, and backend products. Owns delivery, technical direction, architecture, reliability, hiring, coaching, and career development. Partners with Product and Design to prioritize work and deliver dependable releases. Establishes AI-assisted engineering practices, supports AI-powered customer experiences, and builds systems for scheduling, payments, client management, notifications, and integrations.