Top Senior Javascript Jobs in Miami, FL

Develop and support interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. 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 technical teams. The role supports a federal customer remotely and requires Public Trust clearance and U.S. citizenship.

Owns the reliability, security, performance, and availability of AWS-hosted healthcare infrastructure. Builds infrastructure as code, CI/CD automation, monitoring, observability, backup and disaster recovery capabilities. Leads incident response, optimizes cloud resources, implements security controls, supports customer onboarding and migrations, and ensures compliance with healthcare privacy and software lifecycle requirements. Participates in on-call rotations and provides technical guidance to engineering and support teams.

Leads full-stack software development across the Censis application stack, including design, coding, testing, deployment, production support, and defect resolution. Develops C#/.NET and Vue.js applications, REST APIs, and SQL Server solutions. Improves security, reliability, observability, and performance through automated testing, secure coding, root-cause analysis, and preventive engineering practices. Mentors developers, leads technical discussions, collaborates across Product, QA, DevOps, Security, and Support, and uses approved generative AI tools responsibly.

Develop and maintain open-source Python frameworks and ML developer tools, architect scalable libraries, grow early-stage projects, build real-time streaming capabilities, integrate modern frontend technologies, and collaborate with open-source contributors and the broader developer community.

Build and maintain automated UI and API tests using TypeScript and Playwright, contribute to testing frameworks, investigate failures, and establish quality practices across engineering squads. The role includes manual and exploratory testing, API and contract testing, CI/CD quality gates, release criteria, test plans, coverage management, and AI-assisted testing. Collaboration with Engineering, Product, and Design is central to improving testability and enabling continuous delivery.

Design and implement complex, accessible front-end components and a reusable design system. Architect UI solutions, prototype interactions, mentor engineers, improve design-to-development workflows, and build performant, responsive interfaces and marketing pages for a legal AI platform.

Design, build, and maintain cloud infrastructure software (primarily in Go) to manage VMs across global data centers. Collaborate on product requirements, participate in code reviews, optimize performance and reliability, contribute to architecture decisions, and stay current with industry trends.

Own technically complex, mission-critical areas and define technical strategy for new products. Design and ship full‑stack, AI‑driven features end‑to‑end, build scalable data ingestion and API systems, partner with product/design/customer teams to translate ambiguous problems into measurable outcomes, mentor engineers, and raise engineering quality and standards across the organization.

Design, develop, test, deploy, and support scalable full-stack enterprise applications. Build Java and Spring Boot backend services, React web applications, RESTful APIs, microservices, distributed systems, and event-driven solutions. Collaborate with cross-functional teams, participate in architecture and code reviews, implement secure coding practices, maintain automated tests and CI/CD pipelines, monitor production systems, troubleshoot issues, and mentor junior developers.

Senior full-stack engineer responsible for architecting, developing, deploying, monitoring, and supporting production capabilities across a React, Node.js, PostgreSQL, Rust, and Azure Kubernetes platform. The role includes delivering AI and LLM features, owning complex technical initiatives, improving reliability and security, contributing to architecture and engineering standards, partnering with stakeholders, and mentoring engineers.

Build and operate full-stack, cloud-native applications for network automation and mission platforms using Python, Go, JavaScript, and TypeScript. Develop APIs, AI agents, generative user interfaces, integrations, and telemetry workflows. Contribute to CI/CD, Infrastructure as Code, containerized deployments, production troubleshooting, security, observability, and architecture. Collaborate across software, cloud, platform, product, and security teams in an ambiguous, mission-focused environment.

Leads complex network and infrastructure solution development from customer requirements through architecture, implementation, deployment, operations, and sustainment. Provides technical leadership, customer engagement, proposal support, solution presentations, team coordination, mentoring, risk management, and delivery accountability across enterprise, tactical, government, and commercial environments. Integrates networking, software, automation, cloud, cybersecurity, service management, and observability technologies while supporting classified and sensitive programs.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. Designs integrations with external systems, resolves technical issues, remediates security vulnerabilities, improves performance, participates in requirements analysis and Agile development processes, and documents standards. The role also contributes to planning, mentors other engineers, collaborates with team members, and stays current with software development practices and technologies.

Designs, develops, maintains, and supports software applications focused on HIPAA EDI transactions for dental and vision healthcare benefits. Responsibilities include Agile development, production issue triage, technical investigation, secure coding, unit testing, architecture and impact analysis, documentation, and implementing newly legislated EDI standards. The role also serves as a subsystem subject matter expert and uses AI tools responsibly.

Develop and maintain Java enterprise applications using Spring Boot, microservices, REST APIs, Oracle, and MongoDB. Design scalable systems, conduct testing, remediate vulnerabilities, troubleshoot distributed environments, participate in code reviews, document solutions, and mentor junior developers. The role also involves Linux, Git, Maven, Docker, Kubernetes, CI/CD, and cloud platforms such as OCI or AWS. An active Public Trust clearance and cybersecurity certification are required.

Develop, configure, customize, integrate, test, and troubleshoot ServiceNow applications for CMS. Build workflows, automations, access controls, Service Catalog solutions, APIs, and integrations using REST, SOAP, and Integration Hub. Use ServiceNow AI capabilities and JavaScript-based development tools, participate in code reviews, maintain technical documentation, ensure system reliability, and recommend platform improvements. Collaborate with cross-functional Agile teams while managing shifting priorities and supporting advanced ServiceNow capabilities including ITSM, Discovery, CMDB, Now Assist, AI Search, and Automated Test Framework.

Lead technical ownership of InfiniBand and GPU interconnect fabric operations for hyperscale AI supercomputers. Drive incident response, deep multi-layer debugging across hardware/firmware/drivers/OS, and define failure models, playbooks, telemetry, and automation to improve reliability, observability, and scalability of GPU clusters and platform SLAs.

As a Senior Software Engineer, you will design and maintain systems, mentor team members, and improve both code quality and team practices.

Own and develop Curri’s React Native driver applications across iOS and Android. Lead mobile features from problem definition through deployment and measurement, build offline-first capabilities, background geolocation, and push notifications, and debug native modules and production issues. Collaborate directly with drivers, operations, Product, and Design while contributing to full-stack work and AI-assisted development.

Develop and maintain manual and automated tests for web, mobile, API, and integrated software systems. Create test cases, test plans, automation scripts, and testing strategies; investigate defects; validate releases; query databases; and integrate automation into CI/CD pipelines. Collaborate closely with Product, Engineering, and DevOps teams to improve coverage, reliability, and software quality in an Agile SaaS environment.

Leads development of scalable backend systems and applications for the Mindbody ecosystem. Responsibilities include designing APIs and microservices, owning complex technical projects, collaborating with Product, Design, and QA, promoting engineering best practices, mentoring engineers, conducting code reviews and interviews, and leading incident postmortems. The role requires strong software architecture experience, large-scale SaaS development, cloud and database expertise, and effective cross-functional leadership.

Build and lead UpDoc’s software quality engineering function for regulated, safety-critical healthcare technology. Own risk-based testing, traceability, verification evidence, automated test frameworks, CI/CD integration, defect management, release readiness, and failure investigation across web applications, APIs, integrations, and clinical workflows. Partner with Engineering, Clinical, Product, and Quality/Regulatory teams while establishing scalable quality processes and mentoring a growing team.

Design, develop, deploy, and maintain scalable cloud applications and client-installed agents using C# and .NET. Own platform integrations, troubleshoot production issues, optimize performance and costs, improve testing and automation, and uphold software security and quality. Collaborate with product, architecture, UX, support, and customers; contribute to technical and architectural decisions; and mentor engineers. The role also requires polyglot development across integrations and familiarity with cloud security, PAM, Azure, CI/CD, and automation practices.

Build and maintain secure, full-stack cybersecurity and compliance applications for cloud and on-premise environments. Develop APIs, integrations, data ingestion and normalization, risk analytics, relationship models, role-based access, CI/CD pipelines, and containerized deployments. Support post-quantum cryptography and compliance workflows while troubleshooting production issues and applying DevSecOps practices. Collaborate across engineering, cloud, cybersecurity, and compliance teams in a highly regulated, ambiguous product environment.

Develop and maintain LabArchives electronic laboratory notebook, inventory, and scheduler products. Collaborate with product, operations, and support teams to design, build, test, release, and improve software features across front-end, back-end, and database layers. Create unit tests and expand automation frameworks, participate in code reviews, security audits, and accessibility evaluations, and contribute to continuous improvement in a remote environment.