Top Senior Javascript Jobs in Miami, FL

Design, develop, test, and deploy scalable enterprise web applications and APIs using .NET technologies. Build front-end features with Angular/React, optimize performance and security, run CI/CD pipelines, work with cloud-native and containerized deployments, participate in architecture and code reviews, mentor junior developers, and collaborate in Agile teams to troubleshoot production issues.

Lead development and optimization of web scraping pipelines to extract, clean, and store large-scale web data. Handle dynamic content, pagination, distributed scraping, database design with NoSQL, deploy jobs to cloud, and monitor systems for reliability and data quality. Support ML-based data cleaning and categorization.

Lead design, development, and implementation of Salesforce solutions (LWC, Apex, Visualforce) including Experience and Commerce Cloud and Accounting Seed. Build integrations (REST/SOAP, payment gateways), CPQ and Marketplace apps, mentor developers, perform code reviews, and optimize platform performance and reliability.

Design and maintain federated GraphQL schemas and server-driven UI; build fast, accessible front-end apps with React and TypeScript; develop and optimize GraphQL/SQL backends; operate production services (Kubernetes, observability in DataDog), own releases and on-call rotations; drive testing, CI/CD, technical debt reduction, mentoring, and cross-team coordination.

Design, build, and operate bidirectional integrations between the Quadrivia AI platform and major US EHRs and healthcare systems. Implement HL7v2 and FHIR R4 interfaces, operate integration engines (InterSystems IRIS or equivalents), ensure secure connectivity and compliance (HIPAA/SOC2/HITRUST), guarantee data integrity and patient matching, coordinate parallel integration teams, set standards, mentor engineers, and support customer security reviews and go-lives.

The Senior Oracle Payroll Integrations Developer will design, develop, and maintain integrations across payroll systems, ensuring data integrity and compliance while optimizing performance and scalability.

Design, manage, and implement Appian-based applications for financial services and insurance clients. Capture requirements with Tech Leads, translate business needs into solutions, deliver custom Appian implementations, collaborate with architects and delivery teams, and develop reusable assets, accelerators, and best practices.

Lead frontend development using React.js to build responsive, accessible UIs. Integrate React applications with CMS platforms, implement reusable components following atomic design, and use browser storage APIs (LocalStorage, SessionStorage, IndexedDB). Collaborate with designers, backend teams, and QA, and follow Git and CI/CD workflows.

Design, develop, and configure Salesforce solutions (Apex, LWC, Visualforce) to meet business requirements. Integrate internal/external services, follow Salesforce best practices and governor limits, document solutions, support Product Owners, and collaborate with stakeholders and the Salesforce team. Maintain CI/CD/DevOps practices and enhance user experience.

Lead full-stack development using React, Node and TypeScript. Design scalable architecture, write and review code, ensure performance, accessibility and security, mentor off-shore teams, participate in Agile ceremonies, support production (including weekends/off-hours), and collaborate with cross-functional teams to deliver business-critical applications.

Design, build, and operate scalable, secure cloud infrastructure and CI/CD pipelines. Manage Kubernetes environments, implement IaC (Terraform), improve observability, troubleshoot production issues, support security/compliance, and mentor junior engineers to optimize platform reliability and cost.

Lead team in developing Enterprise B2B solutions, uphold quality standards, drive AI adoption, mentor engineers, guide architecture and legacy modernization efforts.

The Senior Java Developer will design, develop, and implement custom software solutions in Agile teams, mentor juniors, and ensure product quality.

Lead technical implementation of custom web projects, focusing on WordPress back-end development, while ensuring quality, security, and collaboration with teams.

Develop AI/ML-powered features in ClickHouse Cloud, focusing on frontend and API architecture, UI/UX, and integrations with AI systems.

Design and develop scalable software solutions, lead engineering workstreams, ensure code quality, mentor junior developers, and collaborate on technical strategies to enhance digital experiences for BECU members.

Build and operate the Veeam Data Cloud GOV environment: map systems, write runbooks, define SLIs/SLOs, run incident response, close observability gaps, automate deployments and support fleet management while working across security and compliance constraints.

Build and run Gov/Sovereign cloud SRE for Veeam Data Cloud: document platform, define SLIs/SLOs, run incident response, close observability gaps, design resilient Azure infrastructure, automate IaC/CI/CD pipelines, support on-call, and collaborate with security/compliance teams to operationalize reliability.

Maintain and modernize a legacy C#/.NET codebase, design and build new cloud-based applications, write front- and back-end code, add unit/integration tests, review code, troubleshoot issues, and collaborate across teams to improve architecture and reliability.

Lead multiple Agile development teams to deliver enterprise software; own architecture and technical design; drive end-to-end delivery, mentor engineers, champion AI-first innovation, ensure release quality, partner with product, and improve operational excellence.

Design, implement, and operate observability and reliability for cloud platforms. Measure and monitor production systems, reduce toil via automation, drive incident response and on-call practices, and partner with product and platform teams to improve scalability, resiliency, and observability.

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.

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.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.