Top Senior Javascript Jobs in Miami, FL

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.

Develop and maintain Salesforce applications for Veterans Benefits Administration, including requirements mapping, Apex and Lightning development, MuleSoft integrations, API development, testing, deployment, troubleshooting, documentation, and sustainment. Lead technical solutions, review team code, support Agile delivery, and collaborate with technical and non-technical stakeholders across the development lifecycle.

The Digital Consulting Architect will lead CPQ strategy and architecture, ensuring alignment with client goals, and manage scalable solutions for Quote-to-Cash processes, including integration and hands-on development tasks.

Administer, configure, support, and continuously improve the ServiceNow platform. The role manages workflows, integrations, upgrades, domains, performance monitoring, risk mitigation, architecture, vendor coordination, documentation, and operational continuity. It translates business requirements into technical solutions, provides escalation support, advises leadership on tool investments, and participates in a 24/7/365 on-call rotation.

Develop and deploy life-saving technologies as a fullstack engineer, focusing on web applications for public safety, collaborating with various engineering disciplines and leveraging customer feedback.

Design, build, and maintain pipeline and artist-facing tools across web, desktop, and Unreal surfaces. Develop Python integrations with Maya, Unreal, Nuke, Perforce, and AYON; build AI-assisted features; and own tools through production. Collaborate directly with artists and supervisors, manage work autonomously, and deliver responsive, maintainable, well-tested software.

Build and maintain Curai’s marketing platform, including web features, APIs, data flows, event tracking, attribution measurement, SQL models, dashboards, and ClickHouse-backed marketing analytics. The role partners with marketing to scope engineering projects, improves site performance and conversion, investigates data quality issues, reviews code, strengthens testing and monitoring, and makes technical decisions across the engineering team.

Senior Software Engineer responsible for shaping and delivering a new fundraising product from discovery through production. The role involves full-stack development, architecture, prototyping, customer collaboration, production troubleshooting, reliability improvements, and mentoring. The engineer will work autonomously in an early-stage business unit, use customer feedback and data to guide decisions, and contribute across interfaces, backend services, integrations, infrastructure, and AI-enabled workflows.

Leads the Treasury engineering team while remaining hands-on with coding, architecture, production monitoring, and incident response. Owns technical strategy for financial infrastructure, including ACH transfers, card issuing, QuickBooks integration, payment tools, wallets, rewards, and financial dashboards. Manages and mentors engineers, improves engineering workflows, ensures security and reliability, and partners with the VP of Engineering on product delivery and scalable team practices.

Architects and owns highly available infrastructure and Kubernetes-based platforms supporting autonomous systems. Builds Golang backend services, platform tooling, observability systems, dashboards, alerts, and log aggregation. Partners with product teams to launch services, performs performance analysis, manages cloud upgrades, and participates in incident response and postmortems. Collaborates on cloud security risk assessments, intrusion detection, threat-feed systems, risk mitigation, and SaaS payment processes. Provides architectural leadership and mentorship across engineering teams.

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.

Lead and mentor Catalog and Partner Integrations engineering teams while combining hands-on software development with people management. Translate business needs into technical solutions, manage project delivery and dependencies, guide architecture, develop distributed applications, implement monitoring, and support engineering quality practices. The role also oversees hiring, performance management, team development, operational support, and data-intensive integrations across Gopuff’s first-party and partner channels.

Build customer-embedded solutions for Origin’s AI observability platform. Investigate customer traces and operational data using SQL, ClickHouse, APIs, and MCP tools; develop dashboards, integrations, workflows, prototypes, and production code; lead technical discovery; and translate field insights into reusable product capabilities. The role requires close collaboration with enterprise engineers, security teams, AI platform teams, and executives, with travel of up to approximately 20%.

Owns external partner and merchant integrations from discovery through launch and production support. Designs integration paths, guides partner developers, validates implementations, troubleshoots issues using observability and technical tools, and coordinates with Engineering, Product, and Sales. The role also improves integration processes, documentation, ticketing, partner communications, and automation opportunities while translating complex technical concepts for external partners.

Build and operate scalable, accessible, high-performance web experiences for Calendly’s marketing website and Help Center. Own projects from technical design through deployment and iteration, develop frontend architecture and CMS integrations, improve SEO, AEO, accessibility, Core Web Vitals, and reliability, and collaborate with Marketing, Content, SEO, Design, Product, and Engineering. Provide technical leadership through testing, code reviews, documentation, mentorship, and architectural improvements.

Executes systems engineering across R&D platforms, hybrid cloud, SaaS, HPC, containers, integrations, data pipelines, observability, and AI architectures. Coordinates Enterprise IT, vendors, cybersecurity, compliance, and scientific stakeholders to deliver secure, scalable, validated, and supportable solutions. Develops technical documentation, deployment plans, runbooks, monitoring, lifecycle artifacts, risk logs, and operational handoffs. Implements RAG, vector database, AI gateway, agentic workflow, and multimodal integration patterns while supporting cloud migration, change management, governance, and technical issue resolution.

Design and deliver scalable full-stack enterprise applications using Node.js and Vue.js. Lead architecture and technical design, integrate AI/ML capabilities, optimize development with AI-assisted tools, contribute to cloud deployments and CI/CD, and ensure security, observability, performance, and maintainability. Mentor junior engineers and collaborate with product, data, and AI teams.

Owns end-to-end QA coverage across firmware, cloud services, and mobile applications for IoT products. Tests device-to-cloud communication, APIs, business logic, connectivity failures, offline operation, OTA updates, and rollback scenarios. Analyzes device and cloud logs, develops test data strategies, prioritizes automation scenarios, and maintains smoke and regression testing processes. Requires systems thinking, embedded and mobile testing experience, API testing, Agile QA processes, and familiarity with relevant test management tools.

Build and maintain fundraising technology that supports donors, fundraisers, donation processing, and reporting. Responsibilities include website development, backend integrations, legacy-system maintenance, data processing, testing, launches, bug fixes, incident ownership, and on-call support during peak donation periods. The role requires autonomous work with Laravel, PHP, JavaScript, HTML, CSS, Salesforce, WordPress, SQL, and partner CSV files, along with close collaboration with non-engineering fundraising teams.

Build and operate infrastructure software for Netflix’s Open Connect CDN. Responsibilities include developing microservices, designing orchestration for globally distributed appliances, creating fleet data models and APIs, and improving platform availability, scalability, observability, and reliability. The role requires hands-on architecture, implementation, debugging, and collaboration across engineering, networking, video, gaming, and operations teams.

Designs, develops, tests, implements, and maintains scalable Salesforce Sales Cloud and Service Cloud solutions. Builds Apex, Lightning Web Components, Flows, integrations, and platform capabilities; troubleshoots complex Salesforce and enterprise-system issues; supports production operations, observability, CI/CD, and DevOps improvements. Provides technical guidance to junior and mid-level engineers and collaborates with architects, product owners, business partners, and technology teams.

Lead the architecture and delivery of large-scale React and React Native applications across web and mobile. Establish frontend standards for performance, accessibility, reliability, and maintainability; build shared component libraries and design systems; resolve complex frontend and cross-stack issues; partner with product, design, and backend teams; and mentor engineers while shaping technical strategy across multiple product areas.

Lead architecture and delivery of complex web and mobile product initiatives. Build React and React Native applications, scalable components, APIs, data models, and shared libraries. Establish engineering standards, improve testing, performance, security, and reliability, and optimize database queries. Mentor engineers, guide technical decisions, and partner with leadership and stakeholders to shape the product roadmap. This is a fully remote role supporting veterinary clinic operations and supply-chain workflows.

Build and maintain features across Vetcove’s web, backend, and mobile platforms. Responsibilities include developing React and React Native applications, creating reusable components, improving test coverage, designing performant and secure data models, optimizing database queries, writing API endpoints, and collaborating with engineering, product, and company leadership in a fully remote environment.

Design and scale highly available backend services for an AI-powered manufacturing platform. Build AWS-based event-driven systems with Node.js, REST/GraphQL APIs, and database integrations. Use AI coding agents while validating correctness, write tests and documentation, improve observability and reliability, debug production issues, and collaborate with product, frontend, and infrastructure teams. Contribute to technical design, code reviews, engineering best practices, and responsible adoption of AI-assisted development.