Top Senior Javascript Jobs in Miami, FL

Build and maintain end-to-end web applications: design, code, test, debug, and deploy backend APIs and front-end components. Improve legacy systems, create reusable libraries, and support operations and clients while collaborating with product and customers.

The Edge Functions Engineer will evolve the Supabase Edge Runtime, implement monitoring and optimizations, manage features, and work closely with the Deno open-source teams.

Designs, implements, and runs Java Spring Boot microservices and REST APIs; leads design, CI/CD, TDD, performance tuning, security, and cross-product collaboration. Coaches teams and owns product KPIs and production support.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

Own and modernize core data infrastructure and pipelines to ensure accurate usage capture, transformation, and monetization. Contribute to architecture, maintain integrations with billing/CRM/payment platforms, evolve customer account UIs, and improve legacy Laravel systems while collaborating across a distributed team.

As a Senior Full Stack Engineer, you'll build high-performance observability tools, engage with developers, and tackle technical challenges in monitoring applications.

Lead post-sales integrations and implementation projects for software partners, translating business needs into technical solutions, managing project plans, documentation, KPIs, and cross-functional coordination while providing ongoing integration support and product expertise for Payabli's payments platform.

As a Senior Software Engineer at Upwave, you will build scalable backend systems, develop APIs, and engineer data pipelines while collaborating with product and data science teams.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Build and maintain integrations connecting CoLab to CAD, PLM, and enterprise systems. Design and implement desktop and web capabilities, troubleshoot PLM/CAD workflows, collaborate with Product and Customer Success, and mentor engineers to deliver scalable, reliable engineering lifecycle software.

Lead software design, architecture, and delivery for a defense-focused program: gather requirements, drive technical vision, coordinate cross-functional teams, implement front-end data-visualization features, integrate analytics/optimization, and manage unclassified-to-secure deployment and CI/CD to deliver working, government-deployable software.

Design, build, test, and continuously deploy scalable infrastructure and platform tooling. Create technical specs and rollout plans, collaborate with stakeholders, mentor teammates, support services in production, and shape engineering practices across teams.

Build and operate the Data Plane Platform: design and implement scalable backend services in Go, REST APIs, and distributed systems; contribute full-stack using React and TypeScript for platform management; develop and run production cloud applications on AWS/GCP; ensure reliability through testing, CI/CD, and observability; troubleshoot across code and infrastructure and drive technical ownership.

Build and productionize customer-facing data and AI solutions on the Databricks platform. Own architecture and design decisions, develop end-to-end data pipelines and applications, integrate machine learning models, and guide enterprise customers through implementation and adoption. Collaborate with engineering, product, support, project managers, and customer stakeholders while delivering projects, documenting solutions, resolving issues, and creating reusable frameworks. Travel to customers approximately 20% of the time.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Design, develop, and maintain web applications, console apps, and RESTful APIs using C# and JavaScript. Collaborate on agile teams, perform code reviews, build internal tools, troubleshoot front-end issues, and deploy to Azure/Jenkins. Improve processes, follow best practices, and support CI/CD pipelines.

Lead design, development, testing, deployment, and maintenance of web applications. Collaborate with cross-functional teams, estimate work, define architecture and integrations, write high-quality code, implement tests, conduct code reviews, improve performance, establish development practices, and mentor engineers.

Leads engineering managers and software teams building customer-facing front-end applications and internal and external APIs. Sets technical direction, oversees delivery, manages risks and dependencies, improves engineering quality and security, develops talent, supports hiring, and partners with product and design. The role drives innovation and scalable software solutions for connected vehicle and fleet operations.

Design, develop, and maintain global eCommerce storefronts and internal web apps using Adobe ACCS, BigCommerce, modern front-end frameworks (React, JS, TypeScript), GraphQL, and related Adobe services. Build responsive, accessible UX/UI, integrate third-party APIs/webhooks, manage deployments, optimize performance/SEO, and support production operations.

Lead enterprise Shopify Plus implementations and replatforms from discovery through launch and optimization. Responsibilities include defining e-commerce architecture, integrating Shopify with ERP, OMS, PIM, fulfillment, marketing, payment, tax, and CRM systems, developing themes, apps, and integrations, leading technical client discussions, managing developers, conducting code reviews, and providing technical guidance across project lifecycles.

Design and modernize scalable distributed systems for insurance eligibility, claims, and remittance workflows. Develop full-stack applications using React or Angular and .NET, optimize SQL Server databases, and lead end-to-end Epic delivery. Champion AI-assisted engineering, automated testing, CI/CD, code quality, system reliability, and technical mentorship while managing dependencies, DORA KPIs, and stakeholder communication.

Develop and maintain scalable full-stack software across front-end, application, and database layers. Design, test, debug, document, and deploy applications; troubleshoot complex customer issues; build reusable and maintainable components; manage Docker containerized applications; and work with PHP, AWS, REST APIs, databases, JavaScript, and React. Mentor software developers, advise on architecture, and support continuous technology improvement within a cross-functional team.

Owner of ServiceNow and Dynatrace automation and integrations to build AI-driven ITSM workflows. Design, develop, govern, and operate scripted automation, AI agents, CMDB, REST APIs, dashboards and reporting to enable proactive, autonomous incident, change, problem, and service request management across fleet and shoreside environments.

Own and engineer the ServiceNow automation and AI platform: design and build scripted automation, AI agents (Now Assist/Autonomous Workforce), Dynatrace-ServiceNow integrations, CMDB governance, REST APIs, and executive reporting to drive proactive, autonomous ITSM across fleet and shoreside environments.