Top Senior Javascript Jobs in Miami, FL

Lead design and delivery of enterprise Pega BPM/case management solutions for financial services. Architect on Pega Infinity/8.x, Constellation/Cosmos, integrate with RDBMS/Oracle, AWS/Pega Cloud, implement connectors, decisioning, BIX, schedulers, and support deployments (containers optional). Provide technical leadership, stakeholder engagement, and work within Agile delivery.

Hands-on full-stack technical lead building Angular components and Java REST services with Spring Boot and Hibernate/JPA. Mentor engineers, define standards, collaborate cross-functionally, ensure accessibility, CI/CD, and deliver scalable, testable solutions.

Build and maintain cross-platform React Native mobile apps for iOS and Android. Implement end-to-end features, state management, API/BFF integrations, secure auth flows, performance optimizations, native module bridging, testing, CI/CD releases, and collaborate with architects, backend, QA, and DevOps to deliver production-grade applications.

Lead mobile automation testing: design, develop, and maintain automated test suites and frameworks for mobile apps, mentor engineers, collaborate with cross-functional teams, analyze results and defects, define automation strategy and best practices, and participate in Agile ceremonies while communicating status to stakeholders.

Lead frontend development using Angular and NgRx to build scalable, high-performance web applications. Integrate REST and GraphQL, implement testing (Jest/Jasmine/Cypress), drive CI/CD adoption, perform code reviews, mentor junior engineers, and collaborate with UX, backend, and product teams to deliver responsive, accessible interfaces.

Build and maintain scalable React-based web applications using TypeScript and JavaScript. Create reusable UI components, integrate APIs, manage client-side state, optimize performance and accessibility, and collaborate with UX, backend, and product teams in a large engineering environment.

Define, design, and implement scalable, secure mobile and web application architectures. Lead technology decisions, mentor engineering teams, conduct architecture and code reviews, drive integrations, CI/CD, and cloud strategies, and enforce security, performance, and best practices across platforms.

Lead QA team to define and execute QA strategies, build and maintain mobile automation frameworks, integrate testing into CI/CD, set quality metrics, manage defects, review test plans, and report progress to stakeholders to ensure high-quality mobile applications.

Design, develop, deploy, and maintain backend components and large-scale cloud-based systems. Write tests, perform code reviews, debug, and collaborate with cross-functional teams to build scalable APIs, microservices, and reliable production software in an agile environment.

Senior frontend developer responsible for building and maintaining Angular 16+ UI in large distributed environments. Work includes HTML5/CSS3/TypeScript development, WebComponents, automated testing, CI/CD with Docker, Git workflows, cross-browser optimization, and collaborating on integrations with Java/Spring Boot REST services. Agile team collaboration and problem-solving required; banking domain experience preferred.

Develop custom scoped applications on the ServiceNow platform, collaborate with teams on data interfaces, and manage application testing and development requirements.

Design, build, scale, and operate a Kafka-compatible, object-storage-backed streaming platform. Own backend services, storage engine, multi-tenant control plane, transactions and multi-region features. Troubleshoot complex distributed systems, ensure operational readiness and SLAs, participate in on-call rotation, and contribute across the full stack including developer console UI.

As a Principal Product Engineer, you'll design and implement AI-driven frontend solutions, tackle engineering challenges, and lead technical guidance in a collaborative environment.

Design, develop, and modernize software by translating legacy mainframe code (COBOL/ASM/JCL/Copybooks) into Java microservices. Support UI integration, relational and hierarchical databases, batch and real-time processing, CI/CD, cloud-native and ZT/ICAM integration, and use AI/ML tools to assist translation and optimization. Work supports pre-production, testing, and integration activities.

Lead configuration, maintenance, and expansion of mission-critical Windows and Linux server infrastructure. Monitor systems, apply patches and security fixes, evaluate new tools, write automation scripts, mentor IT staff, and participate in on-call rotation to ensure high availability.

Lead and mentor a full-stack engineering team to transition desktop and mobile apps to cloud-based SaaS. Own architecture, feature development, infrastructure, reliability, monitoring, and code quality while contributing hands-on (approx. 50% coding, 50% leadership). Collaborate with product and cross-functional teams to design scalable, performant features and reduce technical debt.

Lead and mentor a full-stack engineering team while contributing 50% hands-on code. Drive architecture and cloud migration to SaaS, ensure scalability, performance, uptime, and CI/CD/infrastructure practices. Collaborate with product and design to deliver features, address technical debt, and improve velocity and monitoring across multi-region cloud services and client applications.

Own and evolve the AWS and Kubernetes platform, build Terraform modules, Helm charts, and GitHub Actions workflows, enhance platform capabilities with Go/Python, implement monitoring and runbooks, ensure secure CI/CD and data segregation, and support Node.js/React/Next.js engineering teams.

Build and maintain the GG App across Windows, macOS, and iOS including installers, background services, auto-update systems, enterprise deployment paths, health reporting, AWS backend, and documentation. Lead architecture decisions, mentor engineers, participate in on-call support, and champion AI adoption and automation across engineering.

Lead frontend architecture and technical strategy for a collaborative work platform. Build scalable React/TypeScript applications, design systems, real-time collaboration (sync, offline, serialization), optimize performance and observability, mentor engineers, and collaborate with Product, Design, and Backend teams to deliver high-quality, maintainable user experiences.

Own and improve Plane's automated test suite for web and desktop clients: design frameworks, cover hard-to-test scenarios (concurrency, offline/recovery, agent-driven nondeterminism), keep tests fast and reliable, run suites in CI, test cloud and self-hosted environments, and triage failures across teams and community PRs.

Provide expert-level technical support for web and mobile products, debug high-performance RESTful services, triage incidents, coordinate cross-team incident response, collaborate with Client Success, Engineering, Product, and DevOps to resolve complex issues and improve product reliability.

Build and maintain platform systems that provision, secure, and observe isolated agent execution environments. Design reusable primitives for queues, jobs, locks, and service-bus mechanics. Extend Pulumi-based IaC, work with containers, Linux internals, storage, permissions, logging, and runtime debugging. Ship reliable, maintainable infrastructure-driven application code and collaborate in a small cross-functional team.

Design, build, and maintain scalable backend services and APIs; deliver product features end-to-end; maintain integrations; diagnose and resolve performance and reliability issues; improve engineering practices and architecture; support large-scale data ingestion and unified data access layers.

Lead quality strategy for an AI-first platform: define testing standards, metrics, and automation; validate AI models and data pipelines; design API and UI tests; coach teams on shift-left quality and release gates; improve observability and performance practices to ensure scalable, data-driven quality outcomes.