Top Senior Javascript Jobs in Miami, FL

Design and deliver complex, scalable SaaS features end-to-end using AI-assisted development tools. Own specifications, implement and review AI-generated and human code, build REST APIs, maintain UI and backend services, drive AI-assisted workflows, and mentor cohort engineers on tooling, spec writing, and best practices.

Build and deliver AI-assisted QA curriculum as part-time instructors, authors, or subject-matter experts. Create and review course content, lead workshops, design exercises, advise on AI QA workflows, and support curriculum improvement with hands-on tool experience.

Customer-facing senior Solutions Architect leading and mentoring engineers to design and deliver cloud-native, secure CI/CD solutions. Own POCs and packaging (Zarf/UDS), build CI/CD pipelines, deploy and troubleshoot containers and Helm/Kustomize artifacts across AWS/GCP/Azure, and drive process improvements and enablement for Defense customers.

Develop, automate, and execute tests for React UI, NextJS middleware, and C# APIs. Build test automation across business domains, triage and prioritize work, mentor teammates, and collaborate with internal and external teams to ensure reliable, performant, and scalable Online Banking services.

Design, build, and lead AWS-based contact center solutions (Amazon Connect, Salesforce Service Cloud Voice). Develop integrations, implement CloudFormation/Lambda, apply IaC and CI/CD, perform code reviews, provide technical advisory, documentation and training, and ensure secure, scalable architectures.

The Senior Software Engineer will develop orchestration and autoscaling for the Lucenia search platform, working with cloud technologies and Kubernetes to manage services and mentor team members.

The Lead Quality Engineer will set quality standards, mentor a QA team, improve testing strategies, and enhance automation in AI-driven workflows.

Design, build, test, and maintain enterprise applications and integrations for VA healthcare modernization. Work in Agile teams to develop APIs, microservices, CI/CD pipelines, and DevSecOps practices, support legacy VistA/MUMPS systems, troubleshoot performance and integration issues, and ensure federal cybersecurity and compliance.

Join Aleph's engineering team to develop the Core Product, focusing on user-facing features for financial data insights. Collaborate with leadership, design robust software components, and contribute to system architecture in a fast-paced, remote environment.

The Senior Software Engineer will develop and enhance features for the Keeper Browser Extension, ensuring quality, security, and performance, while collaborating with cross-functional teams and following coding best practices.

Design, build, and maintain scalable web applications for payroll and accounting. Collaborate with engineers and product partners, write tested code, participate in code reviews, contribute to architecture, improve CI/CD and monitoring, support production (including on-call), and communicate progress while continuously learning.

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.

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, 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.

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.

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.

The Senior Application Architect will lead technical direction, oversee product development, manage Agile teams, and ensure solutions align with user needs and mission outcomes. Responsibilities include mentoring developers, managing risks, and collaborating on product roadmaps while leveraging architectural expertise in federal healthcare projects.

The Senior Solutions Architect leads the design of scalable software solutions, manages a team, and defines technical architectures while ensuring high performance and reliability across multiple systems.