Top Senior Javascript Jobs in Miami, FL

As a Senior Full-Stack Engineer, design and build scalable UI systems, own features end-to-end, collaborate on API design, and ensure production quality.

The Senior ServiceNow Developer will configure, develop, and maintain ServiceNow implementations, integrating applications and automating workflows while collaborating with stakeholders to enhance user experience.

The DevOps Engineer for Data Platforms will design and manage scalable data infrastructure, focusing on PostgreSQL and AWS Aurora while ensuring performance, security, and reliability for application engineering teams.

Lead front-end development and architecture for digital platforms, ensuring high-quality UI components and best practices in web development.

Lead design and implementation of a headless Optimizely DXP front-end using Next.js on Vercel for 150+ marketing sites. Define content models and architectural standards, implement personalization and A/B testing, optimize performance and accessibility, manage CI/CD and repository ecosystems, and mentor engineering peers to enable repeatable, scalable site launches.

The Senior Full Stack Developer will design, develop, and maintain web applications using Python and React, while collaborating with cross-functional teams to deliver high-quality software solutions.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

The Senior Software Engineer will develop and maintain full stack applications at Polly, utilizing various technologies for web and mobile platforms, mentor teammates, and collaborate with product teams.

You will own the delivery of AI features, design and build applications utilizing LLMs, and work across the tech stack with a focus on user experience.

Senior backend engineer responsible for designing and implementing scalable, high-availability backend services for investment and financial products. Work primarily on backend APIs, integrations with financial institutions, databases, testing, troubleshooting production issues, and contributing across the stack while focusing on performance, security, and maintainability.

The role involves designing and developing a universal search platform, integrating data, leading system architecture, and mentoring junior engineers.

The Senior Software Engineer will develop backend APIs, improve engineering processes, and manage product features in a remote-first environment.

The Senior Engineering Manager leads multiple engineering teams at Fuze Health, overseeing software development for healthcare solutions, ensuring compliance, and fostering team growth.

The role involves designing, coding, and testing web-based applications using cloud technologies, collaborating in a Scrum environment, and ensuring code quality through reviews and TDD.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

The Senior Software Engineer will build and ship full-stack features, design scalable systems, integrate AI tools, and maintain high coding standards in a fast-paced startup environment.

Lead the design and implementation of identity and access management solutions, collaborating in an agile environment and providing technical leadership.

The QA Automation Engineer designs, develops, and maintains automated test scripts, performs testing, tracks defects, and collaborates with development teams to ensure software quality.

Design, build, and maintain automation frameworks and tools to validate endpoint workflows across Windows, macOS, and Linux. Integrate tests into CI/CD, manage containerized test environments, validate auth/SSO and backend APIs, analyze failures, and mentor QA engineers to improve automation practices.

Design, build, and scale automated test systems and frameworks for Keeper Secrets Manager. Develop reusable libraries and CI/CD-integrated tests for APIs, SDKs, and cloud services, manage containerized test environments, validate secure auth flows, analyze failures, and mentor other QA engineers to improve platform testability and stability.

Develop and maintain scalable, secure browser extension features using JavaScript/React/TypeScript. Write tests (Jest/TDD), collaborate with product and design, optimize performance and security, refactor and fix bugs, and uphold code quality through reviews.

Maintain and improve Keeper's browser extension and Snapshot feature by identifying, reproducing, and resolving autofill and web compatibility issues; collaborate with Support, Product, and Engineering; document fixes, improve tooling (Fixinator), and mentor team members to scale the Snapshot program.

Design, build, and maintain scalable React/TypeScript web applications for Keeper's Admin Console. Integrate with backend REST APIs, implement enterprise UI workflows (RBAC, policy config, audit views), ensure secure, well-tested frontend code, participate in architecture and code reviews, troubleshoot performance and usability, and maintain documentation.

Design, build, and maintain scalable automation frameworks and reusable libraries to validate privileged access and identity workflows. Automate API, integration, and end-to-end tests, integrate tests into CI/CD, manage containerized test environments, and collaborate with engineering, QA, and security to improve system reliability and testability.

Responsibilities include installation and customization of IAM software, developing Java code, communicating with clients, managing application onboarding, and preparing documentation.