Top Senior Javascript Jobs in Miami, FL

Build full-stack AI-powered video creation and collaboration tools, including rich multimedia interfaces, backend APIs, server-side processes, LLM-powered features, and conversational experiences. Work with generative AI, computer vision, and machine learning models in production. Improve system performance, reliability, and code quality while rapidly prototyping and delivering product features in a collaborative, high-ownership environment.

Develop, test, deploy, and maintain Microsoft Power Platform solutions for federal mission-critical systems. Build Canvas Apps, Model-Driven Apps, Power Pages, Dataverse models, and Power Automate workflows. Migrate legacy .NET, C#, and JavaScript applications, support integrations and testing, troubleshoot defects, document solutions, and assist with production operations. Collaborate within Agile/Scrum teams while meeting federal security, privacy, and Section 508 accessibility requirements.

Lead customer implementations of healthcare data platform solutions by configuring the Smile platform, scripting, troubleshooting, designing technical solutions, and providing architectural guidance. Collaborate with customers and internal teams to deliver scalable, secure solutions, support technical analysts, contribute to RFPs, manage concurrent projects, and participate in on-call support.

Design, build, ship, and own high-scale, user-facing product features across frontend, backend, and data systems. Define problems, scope and prioritize work, collaborate with Product, monitor production usage, debug incidents, improve reliability, review code, and mentor engineers. The role requires strong backend expertise alongside React proficiency and ownership from product discovery through long-term maintenance.

Lead frontend development for a satellite-data monitoring application serving defense and intelligence customers. Design and implement React and TypeScript features, guide frontend architecture, contribute to backend APIs, mentor engineers through reviews and technical discussions, and collaborate with product managers and designers. Own feature delivery from discovery through deployment while improving state management, data fetching, component design, testing, and frontend best practices.

Design, develop, and maintain automated testing solutions for customer-facing applications and web services. Build test frameworks, integrate tests into CI/CD pipelines, and improve coverage, reliability, security, and release quality. Develop front-end and web-service automation using Groovy/Geb and Java/HttpClient, troubleshoot application issues, participate in code and test reviews, and collaborate with Agile development teams throughout the software lifecycle.

Design, develop, test, deploy, and support enterprise Microsoft Power Platform solutions using Power Apps, Power Automate, Power BI, and Dataverse. Integrate solutions with Microsoft 365, SharePoint, Azure services, Azure SQL, and external data sources. Gather requirements, document solutions, perform testing, troubleshoot issues, and provide technical leadership on governance and the Power Platform Center of Excellence. Mentor developers and support ongoing platform enhancements.

Build core digital banking experiences for bank administrators and customers by developing streamlined user flows, robust APIs, and third-party integrations. Write clean, documented, tested code with strong error handling, logging, and performance. Design scalable systems using domain-driven design and microservices, contribute to architectural decisions, and provide technical guidance and code reviews in an Agile Scrum environment.

Build and own high-performance UI features for Netflix’s TV application across streaming sticks, smart TVs, and cable boxes. Collaborate with product, design, algorithms, and engineering teams to define experiences, validate product variants through A/B testing, and deliver reliable, testable code. Lead large cross-functional projects while working with TypeScript, JavaScript, React, Redux, Node.js, GraphQL, and proprietary Jest-based automation frameworks.

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.

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.

The Full Stack Developer will design and develop software applications for a data inventory initiative, enhance application security, and automate processes. Responsibilities include application testing, version control instruction, and collaboration across teams.

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.

Build and operate accessible, high-performance member-facing web applications using a front-end-first full-stack approach. Contribute to APIs, backend services, data flows, integrations, frontend architecture, testing, observability, and performance improvements. Own projects from concept through production, collaborate with Product, Design, Data, and Clinical teams, improve developer experience, support AI-assisted coding practices, participate in technical reviews and incident follow-up, and mentor engineers.

Serve as the senior software development SME while performing full-stack Java web development and O&M activities. Guide developer teams, prioritize work, coordinate technical meetings, resolve issues, optimize processes, analyze requirements, estimate effort, review code, conduct testing, troubleshoot environments, create technical documentation, and implement software updates. The role requires extensive J2EE experience, SPA development, DevOps and CI/CD expertise, and active Public Trust/MBI clearance supporting an IRS Criminal Investigation system.

Design, build, and maintain core LIMS software across the SDLC; own architecture, data management, business rules, and embedded control components; plan installations/upgrades, provide operational support, ensure compliance and documentation, and mentor junior engineers.

Develop and maintain software in an agile, test-driven environment using pair programming. Lead technical decisions involving application and data model design, mentor engineers, collaborate cross-functionally with product and design, and ensure application stability and performance. Participate in on-call support and improve system reliability. Use AI developer tools to accelerate development and improve code quality.

Build and evolve scalable backend systems and APIs for a large SaaS platform. Partner with Product, Design, and QA from ideation through deployment, contribute to microservices architecture, improve testing and observability, identify operational risks, and mentor teammates. The role emphasizes reliable, maintainable solutions, strong collaboration, architectural decision-making, and continuous improvement.

Design, build, test, deploy, and support full-stack Salesforce and integration solutions. Develop frontend components, backend services, APIs, data models, REST and event-driven integrations, and AI-powered automations. Use Salesforce technologies including LWC, Apex, SOQL/SOSL, and Flows. Apply AI-assisted development throughout the SDLC while maintaining code quality, security, and performance. Contribute to CI/CD, automated testing, code reviews, Agile ceremonies, architecture, debugging, and cross-functional technical collaboration.