Top Senior Javascript Jobs in Miami, FL

Leads the Customer Developer Experience engineering team, setting technical strategy for open-source TypeScript and React tooling. Responsibilities include supporting external developers, improving documentation and integration workflows, prioritizing work with cross-functional teams, recruiting, mentoring engineers, and maintaining high standards for software quality, testing, and reliability.

Build and maintain full-stack wealth management platform features using Python and Angular or React. Design service-oriented architectures and REST/SOAP APIs, work with relational databases and ORMs, contribute to AWS or Azure cloud architecture, and deploy using container technologies. Collaborate in Agile/Scrum ceremonies, participate in code reviews and demos, and work independently with distributed teams.

Design, build, and maintain scalable E2E automation frameworks for web applications and APIs using Playwright or Selenium. Integrate Claude or other LLMs for self-healing tests, UI validation, and test data generation. Optimize QA workflows, manage defects and regression suites in Linear, integrate tests into CI/CD pipelines, and collaborate with engineering, product, and data science teams. Mentor engineers and lead quality initiatives in an Agile environment.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Leads a small full-stack engineering team maintaining and enhancing a secure, scalable e-signature SaaS platform. Responsibilities include technical direction, mentoring, .NET and Angular development, Azure operations, reliability and performance improvement, incident response, deployment coordination, security and compliance, code reviews, technical debt reduction, and stakeholder collaboration. The role remains hands-on while overseeing platform stability, auditability, observability, and continuous product improvement.

Lead and develop engineering teams to deliver scalable, high-quality SaaS software. Balance people leadership and technical oversight, participate in architecture, enforce engineering best practices, manage delivery, observability, CI/CD, and cross-functional collaboration with Product, QA, and Ops.

Build, test, deploy, and maintain accounting software for transaction categorization, revenue recognition, and accurate financial reporting. Own projects end to end, create technical designs and rollout plans, conduct code reviews, collaborate cross-functionally, investigate production issues, improve reliability, and mentor teammates. The role involves working with typed Python, JavaScript, TypeScript, Vue.js, Terraform, AWS, and PostgreSQL in a remote environment.

Lead ambiguous, multi-team software projects for core accounting systems. Set technical direction, make architectural decisions, build and deploy reliable software, review technical specifications, investigate production issues, and improve system reliability. Collaborate with product and cross-functional stakeholders, mentor and sponsor engineers, and maintain high standards for clean, tested code. The role focuses on typed Python backend services, financial systems, integrations, and cloud infrastructure.

Build end-to-end product features and intuitive interfaces/APIs for document and workflow management. Lead design and implementation, collaborate with engineering to ship polished products, monitor success, and optimize frontend performance.

Senior full-stack engineer building frontend (React/TypeScript) and backend (Python/Go) services, APIs, and AI-integrated developer tools for aerospace and defense customers. Collaborate with product and design, engage customers, improve CI/CD and developer workflows, and deliver secure, high-performance systems for regulated or air-gapped environments.

Lead technical delivery of Enterprise Content Management (ECM) solutions, guiding design, development, integrations, CI/CD, automated testing, and cloud modernization. Provide hands-on .NET development, incident resolution, operational readiness, and coach engineering teams while ensuring security, retention, and governance for content services.

Design, build, and scale backend services and APIs; own AWS infrastructure and CI/CD; optimize codebase and databases; ensure security, reliability, and observability; collaborate cross-functionally and evaluate AI tooling.

Build and maintain intuitive frontend web applications for data upload, search, visualization, and interactive 2D/3D geospatial tools. Collaborate with scientists to design complex visualizations, modernize the frontend stack, mentor junior developers, and implement automated UI testing and deployment pipelines.

Lead design, automation, and optimization of database infrastructure (PostgreSQL/Aurora). Build monitoring, tuning, and scaling strategies, create automation tooling, drive performance and reliability initiatives, and expand into broader SRE responsibilities to improve availability and system health for a growing SaaS platform.

Designs and develops enterprise-scale applications, collaborating with business analysts and system architects. Implements web- and API-based solutions using Java, .NET, AngularJS, JavaScript, SOAP/REST, MuleSoft, and low-code/no-code BPMN tools (Appian, Salesforce, Nintex) with SQL Server in agile/hybrid environments.

Develop full-stack solutions using TypeScript and AWS cloud technologies. Responsibilities include building GraphQL APIs, business logic libraries, AWS Lambda functions with CDK, AWS Glue automation, and Angular/Ionic user interfaces. The engineer will also support CI/CD, Git repositories, linting, developer workflows, requirements management, and HIPAA-compliant software development. Collaboration with engineers, management, and business analysts is required.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end web technologies. Build UI/UX components, integrate REST APIs, optimize performance and scalability, review designs, document changes, participate in code reviews, and collaborate with technical teams. The remote role supports a Washington, DC-based federal customer and requires Public Trust clearance and U.S. citizenship.

Leads end-to-end development of high-scale Yahoo Mail web features, from architecture and implementation through deployment, monitoring, and maintenance. Uses AI-assisted development tools while validating code for security, performance, accessibility, and correctness. Collaborates with product and UX teams, conducts code reviews, mentors engineers, and improves software lifecycle efficiency through automated workflows.

Senior full‑stack engineer responsible for designing, building, testing, and supporting scalable backend services and user-facing UIs for a healthcare data platform. Works across Agile teams on data ingestion/transformation, APIs, cloud infrastructure, containers, and CI/CD. Leads major initiatives, mentors team members, participates in on-call rotation, and ensures HIPAA/compliance and engineering best practices.

Hands-on Software Architect to design and build full-stack, AI-enabled SaaS products and internal tools. Define architecture, reusable components, CI/CD, security, and AI-assisted development practices. Write production code, lead technical decisions, integrate LLMs/RAG/agents and vector search, and establish standards for deployment, testing, and maintainability while accelerating prototype-to-MVP delivery.

Remote Senior Software Engineer who evaluates Microsoft and complementary technologies, designs and implements custom software (C#, JavaScript, SQL), applies cloud and DevOps practices (Azure/AWS, CI/CD, containers), mentors and networks professionally, and continuously learns and advises clients.

Design, build, and maintain web application infrastructure and data systems for interactive information experiences. Lead application architecture, code quality, performance, and reliability; integrate generative AI and prototype XR interfaces; collaborate with designers and data scientists; ensure security, accessibility, scalability, and document technical standards.

Design, build, and maintain core Android infrastructure, app architecture, developer frameworks, and release tooling. Implement cross-platform UI frameworks, server-driven UI, and scalable libraries using Kotlin, Java, Jetpack Compose, Dagger/Hilt, and GraphQL. Drive testability, performance, accessibility, and production tooling while collaborating with product and client teams to enable engineering velocity at scale.

Lead development and maintenance of internal design system libraries, tools, and Figma plugins. Implement AI solutions to speed design workflows, own medium-to-large features end-to-end, run internal user research, provide support and on-call coverage, conduct design and code reviews, and collaborate with designers and engineers to drive technical strategy and adoption.

Design, build, and maintain tools and services for Active Directory and cloud identity platforms. Implement security policies and access controls, collaborate on Azure and Google Workspace deployments, automate integrations via APIs and CI/CD, maintain runbooks, participate in on-call rotation, and support AWS infrastructure for production systems.