Top Javascript Jobs in Miami, FL

Build and ship end-to-end features across React frontends and TypeScript/Node.js backends, including data models, APIs, interfaces, migrations, and tests. Collaborate in design and code reviews, use AI coding agents responsibly, and handle protected health information with authentication, authorization, and audit logging. The role offers mentorship, increasing ownership, and a path from Associate Software Engineer through senior technical levels.

Build and ship end-to-end features across React and TypeScript/Node.js, including database migrations, APIs, interfaces, and tests. Use AI coding agents responsibly, participate in design and code reviews, and handle protected health information with strong authentication, authorization, and audit logging. Collaborate with mentors while developing increasing ownership and independence. The role is intended for students graduating between December 2026 and June 2027 and based in Miami.

Leads performance engineering across the organization by designing load-testing and data-generation frameworks, defining benchmarks and standards, analyzing application, database, and system behavior, and guiding teams in performance optimization. Builds reusable tooling and best practices using k6, JavaScript, Grafana, and InfluxDB while addressing scalability, latency, throughput, and reliability challenges in distributed cloud-native systems.

Own quality strategy and test coverage for life insurance underwriting decisioning. Design complex scenarios, validate rules engines and risk classifications, translate underwriting requirements into acceptance criteria, build automated API and data checks, investigate production discrepancies, and serve as the organization’s authority on underwriting correctness.

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.

Design, build, test, deploy, monitor, and support scalable enterprise software across the full lifecycle. Evaluate requirements, estimate effort, identify risks, collaborate with Product Management, conduct code and design reviews, and improve architecture and development practices. The role requires full-stack Java and modern front-end experience, API and event-driven integration expertise, database design, incident response, and CI/CD experience with Docker and Kubernetes.

Build and operate scalable, reliable infrastructure using Terraform, Kubernetes, AWS, and CI/CD automation. Responsibilities include managing EKS platforms, improving deployment pipelines, securing networking and IAM, enhancing observability, optimizing cloud costs, implementing disaster recovery, reducing operational toil, and modernizing legacy infrastructure. The role also leads incident response, reliability initiatives, platform adoption, and cross-team infrastructure projects.

Build and maintain scalable, internationalized React interfaces for a SaaS platform. Implement localization in front-end components, manage localization files, coordinate translation workflows, and validate localized builds across languages and regions. Partner with engineering, design, vendors, and localization teams to resolve UI and internationalization issues, support localization QA, and ensure release readiness. The role requires strong front-end development, localization engineering, testing, communication, and independent project management skills.

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Build and maintain scalable e-commerce and marketplace features across Node.js, React, MySQL, and MongoDB. Own complex features end to end, design backend services and APIs, integrate PunchOut procurement systems, improve platform security and reliability, conduct code reviews, and mentor engineers. The role requires strong full-stack JavaScript and TypeScript expertise, e-commerce domain experience, and the ability to work autonomously on high-volume transactional software.

Lead a globally distributed IT engineering team building enterprise integrations, workflow automation, orchestration, and AI-native workflows. Set technical direction, establish roadmaps, manage delivery metrics, and partner with business and service operations leaders to eliminate manual work. Guide engineers on architecture, CI/CD, testing, and development practices while evaluating emerging automation and AI tools. Build integrations across identity, ITSM, SaaS, and enterprise systems, and grow team capabilities across US and India time zones.

Senior frontend-focused software engineer responsible for authentication, verification, and fraud experiences across web, mobile, and backend systems. The role owns team goals, designs and delivers highly available systems, collaborates with product and design partners, improves engineering standards, supports operations and on-call efforts, and mentors engineers. Candidates should have strong web application architecture experience, proficiency with React or Vue and JavaScript or TypeScript, and excellent communication skills.

Lead enterprise B2B integration projects for strategic customers using APIs, webhooks, connectors, cloud services, and scalable integration architectures. Translate business requirements into technical designs, build and review code, manage complex projects, troubleshoot deployments, and advise customers and internal teams on integration best practices. Collaborate with product, sales, support, and developer ecosystem teams while supporting multiple customer engagements and improving professional services methodologies.

Build and deploy production-grade agentic workflows for enterprise customers using Webflow APIs, CMS, AI capabilities, and external integrations. Design safeguards, observability, rollback paths, and permission boundaries; support live web properties at scale; collaborate with sales and engineering on complex deployments; and convert customer implementation learnings into reusable architecture blueprints and platform improvements.

Software Engineering Interns will build and ship high-impact software projects across product, infrastructure, customer experience, mobile, and security teams. Responsibilities include designing, developing, testing, and deploying features; collaborating with multidisciplinary teams; participating in agile development and prototyping; applying user-centered design; and learning through mentorship, technical talks, and feedback. The internship is virtual, full-time, and lasts 12 weeks during Summer 2027.

Leads the design, development, and implementation of production-grade web applications and biomedical data platforms. Builds Node.js and React applications, APIs, server-side components, and scalable cloud-based solutions. Provides technical leadership, mentors junior engineers, coordinates cross-site projects, manages release schedules, prioritizes features, collaborates with scientists and product teams, performs testing and code reviews, and maintains technical documentation and deployment guidance.

Develop and deploy full-stack, cloud-native applications across AWS, Azure, and on-premises environments. Configure and optimize APIs and datasets, maintain infrastructure using Terraform and AWS CDK, troubleshoot application and infrastructure issues, and support technical users. Collaborate with clients and engineering teams to implement solutions, optimize performance, and manage operations. Travel may range from none to 100% depending on client needs.

Design, develop, deploy, and operate custom web applications across AWS, Azure, and on-premises infrastructure. Build and maintain cloud infrastructure using Terraform and AWS CDK, and help technical users configure and optimize APIs and datasets. Provide technical support and guidance, troubleshoot Linux environments, resolve issues, optimize performance, and maintain reliable custom software solutions.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

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.

Design, build, deploy, and maintain resilient, scalable software for Toast Delivery Services. Develop real-time delivery tracking, driver matching, pricing, refunds, and payment-related systems. Solve distributed-systems and scaling challenges, integrate with partner APIs, uphold production reliability, promote strong engineering practices, and mentor teammates.

Designs, documents, evaluates, and integrates video platform architectures and technologies. The role researches streaming, delivery, DRM, and content protection solutions; manages vendor evaluations and proofs of concept; translates product requirements into technical specifications; establishes engineering standards and service taxonomies; and validates performance, security, scalability, and reliability with product, engineering, QA, and vendor 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.