Top Javascript Jobs in Miami, FL

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality, use Python for supporting work, and apply AI coding tools such as Claude Code for development, testing, and debugging. Collaborate on design decisions and code reviews, troubleshoot issues, and support application deployment and maintenance across cloud environments.

Develop full-stack enterprise applications and microservices using Java, Spring Boot, REST/OpenAPI, relational databases, JMS, and Kafka. Build automated tests, Docker containers, Kubernetes deployments, CI/CD pipelines, API portals, and React or Angular interfaces. Troubleshoot application, database, messaging, and cloud-native infrastructure issues while applying secure coding, API governance, observability, and event-driven architecture practices. The role supports federal civilian programs remotely during East Coast hours, requires U.S. citizenship, quarterly travel, and either Public Trust eligibility or an active Secret clearance depending on program.

Design, build, test, deploy, and scale full-stack SaaS features across Angular and backend services using Spring. Develop APIs, optimize relational and NoSQL databases, integrate third-party systems, improve performance, support cloud infrastructure and CI/CD, implement security practices, monitor services, resolve incidents, and contribute to architecture and agile development.

Build and maintain responsive web experiences, PWAs, and native-feeling mobile apps; design secure APIs and third-party integrations; develop conversational AI bots and support automation; implement ad-tech, segmentation, push notifications, analytics, and A/B testing; and optimize performance, reliability, and uptime. The role requires full-stack development, cloud and DevOps fundamentals, and collaboration in a fast-paced startup.

Lead frontend and full-stack engineering, architect scalable features, integrate APIs and cloud services, optimize rendering and performance, establish engineering standards, conduct code reviews, and mentor developers. Collaborate with product, UX, and backend teams to deliver user-focused software while managing priorities in an ambiguous environment.

Designs and maintains automated test frameworks for web, API, and mobile applications. Performs functional, regression, integration, and end-to-end testing; validates APIs, databases, and integrations; integrates tests into CI/CD pipelines; manages defects; collaborates with development and product teams in Agile ceremonies; and provides quality metrics and reporting.

Build and maintain Java and Spring Boot backend services, REST APIs, SQL integrations, and React or Angular interfaces. Write tested code, troubleshoot issues, improve performance, and support deployment through CI/CD. The role also involves integrating basic AI capabilities such as LLM APIs and AI assistants into application workflows.

Design, execute, and analyze functional, regression, integration, system, and performance tests for a web-based observability platform. Create test plans and cases, track defects, collaborate with developers and product, improve QA processes, and potentially build/maintain automated tests. Participate in Agile ceremonies and investigate root causes to ensure timely resolution.

Leads the design, development, and implementation of production-grade web applications and biomedical data platforms. Builds Node.js and React applications, APIs, server-side components, and scalable cloud-based solutions. Provides technical leadership, mentors junior engineers, coordinates cross-site projects, manages release schedules, prioritizes features, collaborates with scientists and product teams, performs testing and code reviews, and maintains technical documentation and deployment guidance.

Design and operate scalable, secure, highly available AWS infrastructure for a revenue management platform. Build infrastructure automation, CI/CD tooling, monitoring, and developer tools; advise on architecture, improve reliability and security, troubleshoot 24/7 incidents, lead root cause analyses, support AI-enabled DevOps workflows, and mentor engineers. The role participates in a weekly on-call rotation and is remote in the US or Canada.

Support and evolve Microsoft Dynamics 365 Project Operations and Customer Engagement platforms. Configure Dataverse and model-driven Power Apps, develop Power Platform enhancements, administer security, support integrations, troubleshoot technical issues, manage ALM deployments, and coordinate releases across environments. The role also translates business requirements into maintainable solutions, documents systems, supports product updates, and collaborates with stakeholders and technology partners.

Own the enterprise architecture vision for scalable, high-performance, cost-efficient multi-tenant SaaS systems. Lead AWS cloud optimization, distributed data and AI infrastructure, architectural governance, and Architecture Review Council activities. Guide engineering teams on microservices, event-driven systems, automation, and cloud-native practices while driving GenAI adoption across the software lifecycle. Build prototypes, establish architectural standards, optimize total cost of ownership, and mentor technical leaders.

Designs, develops, tests, troubleshoots, documents, and maintains software applications throughout the project lifecycle. Responsibilities include coding, database and system administration, performance testing, debugging, software upgrades, requirements documentation, user support, vendor coordination, and collaboration with analysts, administrators, and engineers. The role also provides guidance to junior development staff and supports cross-departmental projects.

Own web compatibility triage and incident response across DuckDuckGo browsers on Mac, Windows, iOS, and Android. Debug complex web applications and third-party code, distinguish site, browser, and privacy-related issues, reverse-engineer obfuscated code, build durable cross-platform fixes, and develop automation and LLM agent tooling to reproduce and triage breakage. Lead ambiguous projects independently and communicate with technical and non-technical stakeholders.

The Principal QA Architect owns the strategy, architecture, delivery, and adoption of enterprise QA technology solutions. Responsibilities include designing automation frameworks, AI-enabled testing capabilities, reporting, observability, test data solutions, CI/CD quality gates, and integrated platforms. The role remains hands-on with software development, prototyping, integrations, and troubleshooting while providing technical leadership, mentoring, roadmap ownership, stakeholder influence, and outcome measurement across QA and software delivery 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.

Develop and deploy a cloud-ready PostgreSQL/PostGIS database, Python REST APIs, ETL workflows, React interfaces, dashboards, and GIS visualization tools for the USGS Volcano Hazards Program. Ensure accessibility, security compliance, documentation, testing, and interoperability across volcano observatories. Collaborate with government stakeholders, support federal certification activities, and participate in up to three onsite visits during the 12-month engagement.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Tests Keeper’s web-based Admin Console and backend APIs for functionality, usability, reliability, security, and regression issues. Creates and maintains test cases, validates authentication and role-based access controls, performs cross-browser and API testing, documents defects, tracks coverage, and collaborates with Engineering and Product teams on releases and fixes. Uses AI-assisted tools to support test design, troubleshooting, analysis, and documentation.

Develop and sustain full-stack applications supporting DISA’s IDEAS system in a secure DoD environment. Responsibilities include Java and JavaScript development, database and web-service integration, cloud deployment, testing, troubleshooting, Tier 2/3 support, root-cause analysis, documentation, and Agile/Scrum collaboration. The role also supports cybersecurity standards, release activities, configuration control, system monitoring, and integration with DoD and federal systems.

Build and ship full-stack features, integrations, and enterprise customizations for an open-source AI product. Work directly with technical partners and enterprise customers on deployments, pilots, troubleshooting, infrastructure, identity, integrations, and data access. Generalize customer needs into reusable product capabilities, maintain customizations, document deployment processes, and provide roadmap feedback. The role requires strong communication, independent execution, and experience supporting AI-enabled applications in enterprise environments.

A 10-week remote summer internship program offering team placements across software engineering, data science, support, and services. Interns complete daily responsibilities and a capstone project, collaborate with experienced professionals, attend workshops and networking events, and contribute to meaningful business priorities. Candidates must be enrolled undergraduates with strong analytical and technical skills, familiarity with programming or databases, knowledge of AI tools, and effective communication and teamwork abilities.

Leads the architecture, delivery, and operational excellence of healthcare data integrations across systems and vendors. Designs APIs, integration patterns, and interoperability solutions using HL7, FHIR, and X12; manages end-to-end delivery, testing, migrations, monitoring, and troubleshooting. Advises clients and stakeholders, establishes technical standards, drives governance and alignment, and communicates risks and recommendations to leadership. The role also develops runbooks, supports regulated environments, and improves integration reliability and scalability.

Serves as a technical lead for Military OneSource and related websites, developing WordPress-based front-end experiences with HTML, CSS, and JavaScript. Responsibilities include accessibility compliance, UX implementation, API integration, troubleshooting, Agile collaboration, modernization initiatives, documentation, and developer mentorship. The role is fully remote and requires an active Secret clearance.

Develops and maintains secure, accessible, responsive WordPress websites and web applications for Military OneSource. Responsibilities include PHP and JavaScript development, CMS customization, REST API integrations, UX/UI implementation, Section 508 and WCAG compliance, accessibility testing, production troubleshooting, performance optimization, Agile delivery, Git workflows, and collaboration with cybersecurity and DevSecOps teams in a Federal environment.