Top Javascript Jobs in Miami, FL

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.

Build and own backend services, web applications, REST APIs, webhooks, and enterprise integrations. Lead customer integrations from scoping through launch, improve the operator dashboard, and maintain production reliability through monitoring, incident response, and root-cause analysis. Collaborate with product, success, and customer engineering teams while contributing to code reviews, technical design, mentoring, security, and AI-assisted development.

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

Design, develop, test, deploy, and support distributed software applications integrating Gopuff with third-party systems. Build and maintain REST APIs, monitoring, and data-intensive services while leading cross-functional projects. Scope and delegate work, mentor engineers, promote development and testing practices, and provide technical leadership for an empowered engineering team.

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.

Leads enterprise technology architecture, governance, design validation, roadmaps, lifecycle management, vendor assessments, and IT due diligence. Partners across technology teams to establish architecture strategy and standards while improving cost, availability, security, client experience, and flexibility. Requires substantial IT experience, architecture or technical leadership background, AI security expertise, full-stack development experience, and fluency in Python and server-side JavaScript or TypeScript.

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%.

The Senior SDET will design and execute automated and manual tests across smoke, regression, integration, and performance testing. Responsibilities include building regression automation, documenting test behavior and results, identifying defects and quality risks, maintaining GitHub repositories and scripts, collaborating throughout the software development lifecycle, incorporating customer feedback, supporting planning and estimations, and participating in on-call rotations.

Develop and enhance full-stack digital products across frontend and backend systems. Responsibilities include designing, coding, testing, troubleshooting, maintaining applications, contributing to CI/CD and cloud-native practices, and collaborating through Agile ceremonies, paired programming, and knowledge sharing. Senior and Lead engineers additionally mentor teams, influence technical strategy, guide system design, and drive cross-product engineering direction.

Design, build and maintain Microsoft Cloud applications using Power Apps/Pages and Azure services. Implement Entra ID authentication, Azure Functions/App Services, Logic Apps and Blob storage. Create Azure Data Factory pipelines and APIs (REST/GraphQL), integrate external services and LLM data pipelines, and ensure performance, security, and scalability while collaborating with customers to turn requirements into streamlined apps.

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.

Leads architecture and development of Trellix’s high-throughput cloud threat detection platform. Designs microservices, asynchronous submission pipelines, sandbox execution systems, full-stack analyst interfaces, secure AWS infrastructure, identity integrations, telemetry pipelines, and compliant multi-region architectures. Owns infrastructure as code, observability, production reliability, security practices, technical documentation, incident response, and SLA commitments while integrating AI-assisted development tools.

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.

Senior iOS Developer to design and build secure, high-performance iOS apps using Swift (SwiftUI/UIKit). Implement webview integrations (WKWebView/ASWeb), ASWebAuthenticationSession for OAuth/SSO, JavaScript interop, and native features (camera, push, maps). Ensure responsive web content handling and secure data management. Remote role but must be Bangalore-based with weekly (~1 hour) client office visit to collect a device.

Leads architecture and development of Thunderbird’s web-based Services products, including calendar and secure file storage offerings. Responsibilities include writing code, prototyping, selecting technologies, developing analytics and infrastructure, solving complex problems, guiding product direction, mentoring engineers, and improving scalability and sustainability. The role collaborates across engineering, product, design, QA, Mozilla, and open-source communities in a fully remote environment.

Lead architecture and technical direction for Thunderbird’s web-based Services products, including calendar and secure file storage offerings. Responsibilities include writing code, prototyping, making technology decisions, developing analytics and infrastructure, solving complex problems, mentoring engineers, collaborating across product and design teams, and improving system scalability and maintainability. The role also contributes to product growth, open-source collaboration, and data-informed decisions within a fully remote international team.

Lead full-stack engineering for a browser extension and backend services, drive AI integrations with strong data privacy, mentor and recruit engineers, manage complex integrations, ensure code quality and SOC2 compliance readiness, and make architectural decisions to scale the platform.

Lead backend development to scale and harden API infrastructures, implement unit testing playbooks, optimize core algorithms, support migration from Supabase to a robust cloud provider, ensure system reliability and scalability, collaborate with frontend and DevOps, and integrate AI workflows and RPA where applicable.

Build and maintain responsive, accessible React/NextJS web interfaces and support Chrome extension development (Manifest V3). Integrate with backend APIs or WebSockets, optimize performance, write tests, perform code reviews, monitor and document extension and web app behavior, and collaborate with cross-functional teams.