Top Senior Javascript Jobs in Miami, FL

Lead the design and development of enterprise ServiceNow solutions focusing on Customer Service Management and Finance workflows, ensuring optimal user experiences and system integration.

The role involves analyzing requirements, designing, developing, testing, and maintaining application systems for contact center environments, ensuring high-quality performance and reliability.

The Sr. Data Power Administrator supports and manages DataPower appliances, ensuring quality, availability, and performance, while also troubleshooting complex problems and integrating middleware applications.

The Senior Software Engineer develops and maintains application systems for contact center solutions, emphasizing design, testing, and overall system support in a fast-paced environment.

The Senior Java Developer analyzes, designs, develops, and maintains application systems to meet enterprise needs in a contact center environment.

The Senior Software Engineer designs and develops application systems for the contact center, focusing on analyzing requirements, coding, testing, and ensuring high-quality support and implementation of solutions.

Develop front-end applications primarily using Angular, manage development projects, and ensure adherence to development best practices while providing leadership and support to the team.

The Build Engineer / DevOps role involves implementing a delivery pipeline for applications, enhancing communication among teams, managing integrations, and overseeing CI/CD processes in a .NET environment.

Evaluate AI-generated coding interactions, assess quality of engineering judgments, provide feedback, and define standards for AI coding agents. Comfortable making subjective judgments about engineering quality.

Perform manual and automated testing of web and API solutions, create and execute end-to-end test plans, maintain automation scripts (Java/Selenium/TestNG/REST Assured), validate functionality, performance, compatibility and accessibility, mentor QA team members, and collaborate with developers within Agile processes.

Design, build, and own significant features for a web platform using clean, well-tested code. Collaborate on APIs, front-end integration, code reviews, CI, and rapid deployments in an agile team.

Design, implement, and operate observability and reliability for cloud platforms. Measure and monitor production systems, reduce toil via automation, drive incident response and on-call practices, and partner with product and platform teams to improve scalability, resiliency, and observability.

Founding Growth Engineer to own and build a repeatable growth engine: rebuild and instrument the submission funnel, run A/B experiments, scale acquisition channels, fix attribution and analytics, build lifecycle messaging (push, email, SMS) infrastructure, and balance marketplace supply and demand while partnering with founder and marketing.

The Fullstack Application Developer will design, build, and maintain a platform for marketing teams, focusing on both front-end and back-end development while mentoring junior developers.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

The Senior Technical Implementation Engineer leads integration projects using banking APIs, resolves complex technical issues, and mentors junior engineers while ensuring customer satisfaction through effective solutions.

Design, develop, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

The Senior Software Engineer will design and maintain MediaWiki's backend components, ensuring quality and operational excellence across the platform while mentoring team members and aligning with WMF strategies.

The role involves advising customers on complex GIS challenges, demonstrating solutions, and leading technical meetings while utilizing Esri software. It requires technical expertise in GIS, AEC, and sales strategies, along with problem-solving skills to deliver integrated solutions and support revenue generation.

Lead design, development, and maintenance of SmithRx frontend features using JavaScript and React while ensuring high-quality code and scalability. Collaborate with product teams and mentor junior engineers.

Design and build AI-augmented test tooling and automated test infrastructure across mobile, web, and backend. Integrate testing into engineers' workflows (IDE, CI, monitoring, chatops), define quality gates, instrument AI usage and costs, ensure secure handling of PHI, and produce reusable libraries, documentation, and training to help teams adopt automated quality workflows.

Build and maintain backend systems, APIs, and data infrastructure powering member experiences and clinical workflows. Collaborate with frontend and product teams, ensure code quality, debug production issues, optimize performance and scalability, and propose new technologies.