Top Senior Javascript Jobs in Miami, FL

Lead technical engagements to architect and build scalable, cloud-native AWS applications using serverless, containers, and microservices. Migrate monoliths to microservices, advise on AWS best practices, influence infrastructure and product strategy, and work directly with customers and cross-functional teams.

Support external developers integrating a cross-chain communication protocol, provide technical troubleshooting, create and maintain developer documentation, and contribute improvements to protocol features while staying current with blockchain advancements.

Lead end-to-end technology for a greenfield, white-label consumer engagement and rewards platform. Define architecture, build scalable backend and infra for real-time events, points/wallet systems and tokenised rewards, oversee web and mobile products, integrate external systems, ensure production readiness and security, and hire and scale the engineering organisation while transitioning from hands-on delivery to strategic leadership.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

As a Senior Software Engineer, you'll develop and enhance the Snout web platform, collaborate with teams, and lead technical projects while ensuring performance and reliability.

Design, configure, develop, and administer Salesforce solutions using LWC, Visualforce, Apex, SOQL, Flows, and APIs. Support Sales and Service Cloud, perform requirements and gap analysis, author design specs, participate in code reviews, testing, deployments, and Agile ceremonies, and coordinate integrations and stakeholder communication to ensure usability and adoption.

Define and drive full-stack architecture and technical vision across teams, write high-quality production code, lead zero-to-one projects, productionize ML systems, own reliability and SLOs, mentor senior engineers, and align engineering roadmaps with product and company strategy.

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

Lead application migration and modernization initiatives to AWS, utilizing cloud-native practices and providing technical leadership for development teams.

As a Senior Software Engineer, you will build and enhance internal systems and tools that enable product engineering, focusing on high-quality software across the core platform, and contribute to intelligent AI-driven product capabilities.

Lead test strategy and automation across products, build and maintain automated API and UI tests, improve test frameworks and CI/CD, author test plans, report defects, and champion quality across teams.

The Sr. AWS Developer implements complex solution designs using AWS architectures and leads development teams to enhance contact center solutions, primarily leveraging Amazon Connect.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

Join the Entefy team as a Senior Full Stack Engineer to build a scalable full stack application enhancing digital interaction for global clients.

Senior DevOps Engineer/Consultant role focusing on DevOps transformations, coaching clients, managing infrastructure, and automating software delivery processes.

Lead and technically supervise cross-functional Agile teams building and rearchitecting HIS software products. Hire, mentor, set technical direction, prioritize backlogs, drive CI/CD and quality, coordinate with product and business stakeholders, and champion Agile practices to deliver cloud and on-premises solutions that improve healthcare outcomes.

Lead design and implementation of advanced, high-performance financial charts and interactive visualizations for web applications. Architect reusable visualization frameworks, optimize rendering for large real-time datasets, ensure accessibility and performance, and provide technical leadership and mentorship across cross-functional teams.

Build and maintain high-traffic full-stack web experiences using React and Next.js, design and integrate APIs, ensure observability and testing, debug production issues, lead architecture and AI experimentation, and mentor engineers to deliver scalable, reliable booking and purchasing systems.

Build and maintain scalable, high-performance web applications and data-visualization platforms using React, Redux, Vite, and TypeScript. Collaborate with cross-functional teams to design features, write clean code and tests, debug, contribute to APIs, mentor junior engineers, and apply modern development practices including CI/CD and accessibility considerations.

Develop and maintain ClickHouse Cloud interfaces and dashboards, collaborating with multi-disciplinary teams to enhance user experience and system reliability.

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.

The Senior Research Engineer designs and builds data-intensive systems and tooling, mentoring the team and enhancing project efficiency across research and civic technology.

Build and maintain interactive software and hardware-integrated experiences across web, real-time graphics, installations, and games. Prototype, architect, estimate, document, support on-site installs, and collaborate with designers, producers, and clients to deliver creative technology projects.

Design and implement integrations for a B2B platform, focusing on ERP systems and API architectures while providing technical leadership.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.