Top Senior Javascript Jobs in Miami, FL

Senior Solutions Engineers drive technical discussions, work on solution designs, and advise customers on best practices to implement Cloudflare products.

Lead and manage software engineering teams: run agile processes, design and ship secure scalable APIs and services, guide architecture, manage technical debt, recruit and mentor engineers, and align work with company objectives.

Design, build, and support Salesforce CPQ and Quote-to-Cash solutions including product modeling, pricing, quoting, approvals, integrations, custom Apex/LWC/Flow development, performance optimization, testing, and stakeholder enablement to support sales and revenue operations.

As a Solutions Integration Engineer, you will lead B2B integrations for Samsara's IoT platform across various industries, working closely with customers to deliver technical solutions and support their operational needs.

Join the Query Integration team to enhance MongoDB's query engine, integrating features, improving performance, and contributing C++ code with a focus on database systems.

Lead full‑stack development and architecture for Spark’s broker platform. Deliver customer‑facing features, partner with product/design, mentor engineers, resolve technical debt, and set engineering standards while using AI developer tools.

Design, build, and maintain complex Salesforce solutions and integrations using Apex, LWC, REST/SOAP, and middleware. Lead architecture, enforce security and SDLC standards, mentor team members, perform code reviews, document procedures, and collaborate with stakeholders to deliver scalable, reliable, auditable Salesforce applications.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

The Lead ServiceNow Engineer will architect and govern the ServiceNow platform, lead complex initiatives, mentor engineers, and ensure scalable solutions align with enterprise strategy.

Lead the Creative Serving engineering team to define strategy, roadmap, and execution. Translate business goals into technical deliverables, collaborate with ML and product stakeholders, ensure high-uptime integrations with partner exchanges, provide technical guidance and feedback, enforce engineering best practices, balance short- and long-term priorities, and mentor engineers into future leaders.

As a Solution Architect Senior Manager, you will lead software solution development, drive digital transformation, and oversee teams through complex projects while maintaining client relationships.

Owner of end-to-end ecommerce features: design, implement, and maintain scalable backend services and performant React/Next.js frontends. Integrate payment gateways and procurement systems (PunchOut), mentor engineers, uphold code quality, and improve platform stability across Node.js, MySQL, and MongoDB.

Lead design and delivery of backend-focused full-stack features for the Business Platform. Build APIs, data models, and reliable parsers, ensure secure resilient systems, mentor engineers, drive estimates and quality, collaborate with Growth on data-driven features, and integrate AI tooling into development workflows.

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.

Lead software development and innovation efforts, mentor teams, manage projects and client relationships, and implement software solutions that drive digital transformation.

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 scalable frontend applications using Vue 3 and TypeScript. Own feature delivery from design through production, build reusable components and architecture, improve performance and accessibility, collaborate with backend teams on APIs, write tests, mentor engineers, and help shape frontend tooling, CI/CD, observability, and security practices.

The Senior QA Engineer will develop and maintain automation frameworks, write test cases, and ensure software quality while collaborating with various teams. Key responsibilities include managing testing lifecycles and participating in system design discussions.

Partner with Account Executives to design and demo Webflow solutions, conduct discovery and technical validation, lead workshops and trials, build business cases, influence product direction, and support cross-functional initiatives. Travel up to 25% and complete an in-person onboarding in San Francisco.

Design, build, and maintain scalable test automation frameworks and tooling (Playwright, C#, JS/TS). Integrate automated tests into CI/CD, develop end-to-end, integration, and performance tests, apply AI techniques for test generation and defect detection, troubleshoot system issues, mentor QA teams, and drive automation and quality engineering best practices.

Develop and maintain software applications on the ServiceNow platform while integrating with cloud technologies. Troubleshoot issues and work with customers on implementations.

Develop and maintain software applications on the ServiceNow platform, perform integrations, troubleshoot issues, and communicate with clients.

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

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.