Top Senior Javascript Jobs in Miami, FL

Design, develop, and operate scalable software platforms and automation for Azure network qualification infrastructure. Build tools for device provisioning, configuration, lifecycle management, testing, telemetry, and health validation. Develop AI-powered agents for troubleshooting, root-cause analysis, and engineering productivity. Create reliable distributed systems with observability, diagnostics, automated recovery, and scalability while collaborating across software and network engineering teams.

Design, build, test, deploy, and operate reusable enterprise integrations using Workato and modern APIs. Partner with engineering teams, define data flows and security models, create custom connectors and integration templates, and ensure production observability, testing, documentation, and support. Translate partner needs into product requirements, support sales proofs of concept, evaluate agent integration patterns, and use AI coding tools while validating security, correctness, and maintainability.

Provides technical leadership for Azure cloud-scale distributed data platforms processing network telemetry and operational data. Defines architecture and long-term technical strategy, leads streaming and batch system design, resolves complex scalability and reliability challenges, oversees production readiness and continuous improvement, and influences cross-team technical investments. Partners across Azure Networking, conducts design reviews, establishes reusable engineering patterns, improves observability and quality, and mentors engineers and technical leaders.

Develop and operate software for Azure’s hyperscale networking infrastructure and SONiC switch and router platforms. Responsibilities include designing, coding, optimizing, debugging, and maintaining network software; supporting packet forwarding, telemetry, observability, reliability, and performance; creating design and release plans; responding to incidents; and mentoring engineers. The role requires expertise in software engineering, IP networking, distributed systems, Linux, SDN technologies, and container-based environments.

Owns Salesforce enterprise architecture, platform strategy, integrations, governance, data architecture, DevOps, and nonprofit technology modernization. Designs and develops solutions across NPSP, Nonprofit Cloud, Experience Cloud, Data Cloud, Agentforce, and Einstein AI. Leads architecture reviews, code quality, migrations, release management, security, platform optimization, contractor oversight, and production issue resolution. Serves as KIPP’s senior technical authority and principal Salesforce developer, translating business needs into scalable, sustainable solutions.

Develop and customize Salesforce solutions using Apex, Visualforce, Lightning, Aura, JavaScript, and SOQL. Configure Salesforce objects, workflows, security, reports, and dashboards; build integrations and perform data migrations. Manage deployments, troubleshoot issues, follow development best practices, and collaborate with stakeholders on knowledge transfer and project 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.

Develop and maintain customized ServiceNow solutions, including advanced scripts, business rules, client scripts, and App Engine applications. Support legacy data migration, conduct testing, ensure data integrity, and troubleshoot implementation issues. The role requires strong JavaScript skills, ServiceNow certifications, Agile/Scrum experience, collaboration, independent work, U.S. citizenship, and an active security clearance with eligibility for DHS Public Trust.

Define architectural direction for Azure Specialized platform services and lead the design of highly available distributed cloud systems. Drive reliability, scalability, observability, security, diagnostics, and operational improvements across engineering organizations. Establish service health frameworks, SLOs, metrics, and governance for mission-critical services. Mentor engineers, influence technical strategy, resolve complex cross-system challenges, and advance AI-assisted troubleshooting and platform modernization.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Leads multiple software application development and support teams responsible for a business-critical portfolio. Oversees application strategy, architecture, cloud migration, development, lifecycle management, project delivery, budgets, vendors, security, compliance, incident resolution, and service levels. Partners with business and technology leaders to align roadmaps, deliver large-scale initiatives, improve processes, and sustain reliable, scalable solutions. Manages staff, contractors, offshore resources, and third-party providers while driving innovation, AI adoption, and continuous improvement.

The Senior Quality Engineer develops quality strategies, automated test frameworks, and complex testing scenarios across web, mobile, media, voice, and backend applications. Responsibilities include integrating automation into development workflows, selecting testing tools, monitoring quality KPIs, managing risks, improving processes, and collaborating with cross-functional teams. The role also leads and mentors junior engineers and supports Agile, CI/CD, and test coverage initiatives.

Leads multiple software application development and support teams responsible for application strategy, architecture, delivery, maintenance, security, and lifecycle management. Manages staff, vendors, budgets, projects, stakeholder relationships, and operational performance. Oversees cloud migrations, integrations, incident resolution, quality standards, compliance, and continuous improvement. Develops technology roadmaps and executive presentations while ensuring solutions meet business objectives, service levels, and sustainability requirements.

Leads multiple software development and support teams responsible for business-critical application portfolios. Oversees application architecture, development, cloud migration, DevOps, operational support, budgets, vendors, security, compliance, and technology strategy. Partners with business and IT leaders to deliver large-scale initiatives, maintain service levels, resolve incidents, and drive continuous improvement. Manages staff, contractors, offshore resources, stakeholder relationships, and project delivery across travel applications and related systems.

Design, develop, and operate highly scalable and resilient Azure VM Scale Set cloud services. Own features from architecture through deployment and operations, solve distributed-systems challenges at hyperscale, and drive reliability, security, performance, disaster recovery, testing, monitoring, automation, and engineering best practices. Collaborate across teams to deliver platform capabilities and customer outcomes.

Own the architecture, implementation, and operational excellence of major Azure Boost DPU software components. Develop low-level systems software spanning operating systems, virtualization, networking, storage, device management, and hardware interfaces. Lead complex cross-functional initiatives, optimize hyperscale performance and reliability, resolve system-level issues, establish engineering practices, influence platform architecture, and mentor engineers across Azure infrastructure teams.

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Lead development of custom Shopify themes and apps, optimize storefront performance and SEO, integrate APIs and third-party services, and collaborate with design, strategy, and engineering teams. The role requires maintaining scalable Shopify solutions, applying responsive design and modern development practices, and staying current with Shopify platform updates. This is a fully remote position with flexible work location and professional development support.

Build and operate customer-facing cybersecurity product capabilities across backend services, APIs, and modern frontend applications. Own moderate-to-large projects from scoping through rollout, contribute to architecture and technical standards, write tested and maintainable code, and collaborate with Product, Design, and engineering teams. The role is approximately 80% backend and 20% frontend, with responsibilities including mentoring engineers, addressing technical risks, improving observability and reliability, and delivering scalable cloud-native systems.

Design and evolve cloud-native services, distributed systems, and infrastructure platforms at scale. Lead architecture and technical direction across compute, networking, storage, AI infrastructure, HPC, GPU environments, and datacenter systems. Improve automation, observability, reliability, security, CI/CD, and developer productivity while collaborating across engineering organizations. Mentor engineers and contribute to architecture reviews and operational excellence for large-scale production platforms.

Design, operate, and improve Recharge’s cloud-native infrastructure platform. Responsibilities include Kubernetes and GCP infrastructure management, troubleshooting production issues, maintaining observability and reliability, implementing new technologies, improving engineering standards and documentation, supporting security and automation, and participating in a 24/7 on-call rotation. The role also involves mentoring engineers and applying AI tools to improve team productivity.

Develops and delivers resilient full-stack applications and services for Vantage’s reinsurance business. Responsibilities include application design, coding, debugging, testing, architecture discussions, risk management, roadmap estimation, stakeholder consultation, and coordination across project teams. The role promotes software engineering standards, DevSecOps, CI/CD, agile practices, innovation, and mentoring while building solutions with JavaScript, React, Node.js, Python, cloud, serverless, and modern infrastructure technologies.

Develops advanced automated testing frameworks and leads test strategies for complex software applications across platforms. Oversees testing efforts, defect tracking, regression testing, and quality improvements while collaborating with developers and DevOps teams on CI/CD automation. Mentors junior staff, evaluates testing tools, supports the software development lifecycle, and applies data-driven insights to improve QA processes.

Lead architecture and technical strategy for a remote engineering organization building a React, Node.js, PostgreSQL, and AWS platform. Mentor engineers, establish engineering standards, drive JavaScript-to-TypeScript migration, design ETL and AI/LLM integration systems, resolve technical debt, and oversee technical design reviews, production support, incident response, hiring, and delivery. Partner with product, clinical, and business stakeholders to build scalable, reliable software.

Develop and maintain Salesforce applications for public health clients using Apex, Lightning Web Components, and Flow. Translate public health workflows into practical technical solutions, collaborate with senior developers and architects, participate in Agile and SAFe ceremonies, write tested and documented code, and contribute to project leadership, mentoring, client satisfaction, and business development.