Top Senior Javascript Jobs in Miami, FL

Senior full‑stack engineer responsible for building backend services (Node.js/TypeScript) and integrating with frontends (React/Vue). Ship production APIs, collaborate cross‑functionally, own delivery, mentor peers, and develop modular, testable, performant systems across diverse greenfield projects.

As a Senior Frontend Engineer, you'll build and maintain a fraud prevention platform UI using ReactJS, collaborating with backend teams and ensuring code quality through tests and CI/CD processes.

As a Senior Backend Engineer, you will build APIs and integrations, develop fault-tolerant systems, mentor engineers, and ensure code quality.

The Staff Software Engineer will lead technical initiatives, drive quality code, mentor engineers, and work on scalable systems in a high-impact team environment.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

As a Senior Software Engineer, you will design and develop user-facing products and back-office tools while collaborating with diverse teams to solve complex problems with innovative solutions.

As a Senior Software Engineer, you will work across the stack to create scalable and reliable systems for tracking freight intelligence, influencing architecture, mentoring, and collaborating with various teams.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.

The Senior Enterprise Applications Engineer will execute high-priority projects using coding, scripting, and automation. Responsibilities include configuring integrations, leading QA procedures, and mentoring junior team members.

Develop core experiences for bank administrators and customers by writing clean, documented code, creating robust APIs, and integrating with third-party services.

The Senior Software Engineer will design, build, and maintain solutions for transit agencies, focusing on IoT devices and cloud services, ensuring reliable communication and device management.

The Senior Software Engineer will develop software for automated mobile application analysis, lead implementation decisions, and mentor junior engineers.

Deliver and scale full‑stack product features end-to-end: design and implement frontend and backend systems, align architecture, collaborate with product/design/data/QA, estimate work, ensure SDLC quality, communicate status, and participate in on-call rotation.

The Principal Architect will lead the technical direction of Tenna's platform by designing scalable systems, establishing standards, and guiding teams in implementing the technical strategy while ensuring system reliability and performance.

The Senior Svelte Software Engineer will develop high-quality, scalable Svelte web components, collaborate on design systems, and ensure component reliability.

Lead the vision, strategy, and architecture for observability and reliability platforms. Define SLOs/SLIs/SLAs, implement monitoring/alerting automation, lead incident response and post-incident analysis, evaluate tools, and mentor engineering teams to improve resilience, scalability, and reliability across multi-cloud environments.

Design, develop, test, and deploy React-based web and mobile UI components. Translate wireframes into responsive interfaces, integrate with REST APIs, refactor and debug code, support CI/CD and containerized deployments (OpenShift), collaborate on architecture, provide technical support and documentation, and act as a senior SME for DMV enterprise application modernization.

Design, build, and ship full-stack features across mobile (Vue/TypeScript/Capacitor) and backend systems (Python/Flask/Postgres/Redis/AWS). Drive architecture, partner with Product and Design, decompose ambiguous problems into iterative work, participate in on-call rotation, and mentor through design and code reviews to support millions of users accessing government benefits.

Full-stack Senior Software Engineer building and maintaining the Flex web platform. Deliver production-ready features using Node.js and TypeScript/JavaScript with component frameworks (Vue/React). Apply system design, data structures, performance optimization, cloud and CI/CD practices, and relational databases. Leverage generative AI across the SDLC, mentor peers, own projects end-to-end, and collaborate in an agile team.

Design, build, test, and deploy production software for an agentic chatbot platform across intake, orchestration, retrieval, answer generation, caching, and integrations. Collaborate with product and technical teams, provide code and merge-request review, mentor junior engineers, and contribute to design, performance, security, and delivery.

Own and maintain the WordPress platform end-to-end: hosting, security, performance, technical SEO, tracking (GA4/GTM), integrations (HubSpot/APIs), backups, and documentation. Establish environments, deployment workflows, monitoring, and runbooks while partnering with front-end and marketing teams to ensure reliable, high-performing, and compliant site operations.

The Workflow Solutions Engineer designs and implements scalable telecom network solutions, collaborates with internal teams, and provides technical oversight during implementations.

Lead and govern end-to-end Salesforce platform architecture across multi-org environments. Define org strategy, security, data and integration architectures, Experience Cloud and FSC designs, enterprise DevOps standards, and development automation. Mentor engineers, run design reviews, enforce compliance and scalability, and serve as technical escalation for large regulated enterprises.

Build and maintain full-stack features for Marine and RV & Camping platforms, use AI-assisted tools responsibly, collaborate across teams, reduce technical debt, troubleshoot issues, mentor engineers, and write automated tests to ensure production reliability.

Lead a ~10-engineer team to build and modernize cloud-native SaaS for marinas. Stay hands-on with Node.js/React/TypeScript code, drive architecture and migrations, enforce testing/observability/CI-CD, run incident response, recruit and coach engineers, and implement AI-assisted development practices aligned to product goals.