Top Senior Javascript Jobs in Miami, FL

Leads the design, implementation, optimization, and support of highly scalable Azure Storage services. Responsibilities include end-to-end performance testing, benchmarking, automation, profiling, bottleneck and root-cause analysis across compute, storage, and networking layers, KPI definition, scaling recommendations, and operational incident response. The role collaborates across teams, drives project and release plans, supports reliable and secure services, and mentors engineers while participating in on-call responsibilities.

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

Develop scalable full-stack React applications and Java Spring Boot microservices within an Agile team. Responsibilities include architecture design, technical roadmaps, cloud-native and enterprise solution development, API and data platform design, modernization of Angular applications, root-cause analysis, stakeholder communication, documentation, code reviews, and delivery of reusable production features and frameworks.

Designs, builds, deploys, supports, and optimizes scalable full-stack web applications and APIs. Responsibilities include system architecture, frontend and backend development, SQL and PL/SQL programming, requirements analysis, software triage, technical documentation, stakeholder validation, and cross-functional collaboration. The role supports a U.S. Navy client and requires obtaining and maintaining Security+ certification and Secret clearance.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Develop front-end applications primarily using Angular, manage development projects, and ensure adherence to development best practices while providing leadership and support to the team.

The Build Engineer / DevOps role involves implementing a delivery pipeline for applications, enhancing communication among teams, managing integrations, and overseeing CI/CD processes in a .NET environment.

The role involves analyzing requirements, designing, developing, testing, and maintaining application systems for contact center environments, ensuring high-quality performance and reliability.

The Sr. Data Power Administrator supports and manages DataPower appliances, ensuring quality, availability, and performance, while also troubleshooting complex problems and integrating middleware applications.

The Senior Software Engineer develops and maintains application systems for contact center solutions, emphasizing design, testing, and overall system support in a fast-paced environment.

The Senior Java Developer analyzes, designs, develops, and maintains application systems to meet enterprise needs in a contact center environment.

The Senior Software Engineer designs and develops application systems for the contact center, focusing on analyzing requirements, coding, testing, and ensuring high-quality support and implementation of solutions.

Lead design, development, testing, deployment, and maintenance of web applications. Collaborate with cross-functional teams, plan work, enforce architecture and security standards, mentor engineers, implement tests, manage integrations and automations, improve performance, and establish development practices.

Design and implement high-performance networking infrastructure for large-scale AI training on Azure. Lead architecture, produce secure, maintainable code, define test strategies, use AI tools for development and automation, review code, and collaborate across teams to ensure performance, scalability, reliability, and observability.

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.

Lead Salesforce development and integrations across Health Cloud, Service Cloud, and Marketing Cloud. Design and review Apex, Visualforce, LWC/Aura, optimize SOQL and bulk processing, manage CI/CD and version control, enforce security/compliance (HIPAA, SOC2), implement test automation, and coordinate releases and environment deployments while collaborating with admins, stakeholders, and other IT teams.

Develop and support software throughout the SDLC using Power Platform, Dataverse, .NET, C#, Blazor, and MAUI/Blazor Hybrid. Design scalable data models, integrations, automation workflows, APIs, authentication, and role-based security. Integrate hybrid applications with Power Apps and Dataverse, guide project teams, document technical solutions, and communicate with technical and non-technical stakeholders. Apply secure coding practices, accessibility standards, and AI-assisted development techniques.

Develop secure, scalable Salesforce and Agentforce solutions for DoD and public-sector environments. Build Apex, Lightning Web Components, Visualforce, OmniStudio, Flow, and custom Agentforce actions; configure agent guardrails and enterprise data grounding; integrate systems; test, debug, review code, and support the full software development lifecycle. Collaborate with stakeholders, ensure compliant and performant implementations, and mentor junior developers.

Designs, develops, and implements complex Salesforce solutions for public-sector and DoD environments. Builds Apex, Lightning Web Components, OmniStudio, Flow, and Visualforce solutions; integrates Salesforce with enterprise systems; participates in the full software development lifecycle; troubleshoots defects, data migrations, and interfaces; conducts code reviews; reduces technical debt; and mentors junior developers. The role also leads technical design sessions and supports secure, scalable, high-performance enterprise deployments.

Design and deliver improvements to Wikipedia’s wikitext processing infrastructure, write PHP and JavaScript, maintain internet APIs, instrument components, and use caching and persistence technologies. Collaborate across engineering, product, design, client, and volunteer communities; own complex technical projects, make architectural decisions, maintain reliable high-performance software, write tests, address security feedback, and mentor engineers.

Architects, implements, and operates secure, scalable Microsoft Azure solutions supporting generative AI and scientific research. Develops Terraform infrastructure, automation, and CI/CD pipelines; integrates compute, storage, networking, identity, security, monitoring, APIs, and AI services. Troubleshoots performance, reliability, security, and cost issues across application and infrastructure layers. Partners with developers, AI engineers, security teams, and customers to translate requirements into architecture, mentors engineers, evaluates tradeoffs, and supports compliance and authorization activities.

Work with customers and cross-functional teams to design, build, and deliver cloud-based solutions. Lead design, identify dependencies, mentor engineers, act as DRI and on-call, and improve availability, reliability, observability, and performance. Contribute to open-source assets and collaborate with Microsoft product teams to produce extensible, maintainable code and scalable solution patterns.

Build and own Alkami’s next-generation sales demo tooling across front-end and back-end systems. Partner with Sales Engineering, Sales Leadership, Product, and Engineering to identify gaps, develop API- and SDK-based tools, evaluate technical stacks, and improve sales win rates. Provide technical expertise during complex financial-services deals, coach Sales Engineers, communicate technical value to senior stakeholders, and champion AI-assisted development workflows.

Lead the design and development of mission-relevant software, build backend services and APIs, mentor engineers, and support technical demos.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.