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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer (React) - **Company:** Newfold Digital - **Location:** Jacksonville, FL, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Architectural Patterns, HTML5, Browser Compatibility, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Cursor (Graphical User Interface Elements), Programming Tools, Web Development, Github, Python (Programming Language), Routing, Node.Js, Performance Tuning, Scrum Methodology, E2e Testing, Strategies of Testing, TypeScript, Web Content Accessibility Guidelines, Web Performance Optimization, Web Usability, Data Logging, Network Routers, GitHub Copilot, ReactJS, Cypress (Programming Language), Reliability of Systems, Technical Debt, Backend, Webpack, Git Flow, Solid Principles, Information Technology, Playwright, Build Tools, Graphql, Front End Software Development, React Redux, Virtual Agents, Asynchronous Programming, React Testing Library, Restful APIs, Oracle Cloud Infrastructure, Jenkins - **Published:** September 25, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pmvz8smldi ## About the Role * Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent practical experience). * 12+ years of hands-on experience in frontend/full-stack development, with at least 2 years in a principal, staff, or equivalent technical leadership role. * Deep understanding of software design principles, architecture patterns, performance optimization, and system reliability. * Proven track record of leading large-scale technical initiatives from inception through delivery. * Strong communication skills with the ability to influence senior technical and business stakeholders. * Demonstrated ability to mentor and grow engineers at multiple levels of seniority. * Curiosity and willingness to learn and adopt emerging technologies, especially AI-driven applications and developer tooling. * Excellent judgment in making trade-offs between short-term delivery and long-term technical health. * Strong sense of ownership, accountability, and a bias for action in ambiguous situations. * Passion for building intuitive, user-friendly digital experiences at scale. Tech Knowledge Required * Expert-level proficiency in HTML5, CSS3, JavaScript, and TypeScript. * Deep mastery of React including Hooks, Context API, component lifecycle, state management, routing, Server Components, and reusable component architecture. * Strong experience with state management and data-fetching libraries such as Zustand, TanStack Query, and TanStack Router. * Hands-on experience designing and maintaining frontend build systems using Webpack, Vite, Turborepo, or similar tooling. * Deep expertise in mobile-first web development, cross-browser compatibility * Strong understanding of REST APIs, GraphQL, and asynchronous programming patterns. * Proficiency with Git-based workflows, branching strategies, and code review processes at scale. * Extensive experience with testing strategies including unit, integration, and E2E testing using Jest, React Testing Library, Cypress, or Playwright; integrated with CI/CD for continuous quality assurance. * Experience using and evaluating AI-powered developer tools such as GitHub Copilot, Cursor, Claude Code, or similar AI coding assistants to accelerate development workflows. * Expertise in web performance optimization (Core Web Vitals, Lighthouse), accessibility standards (WCAG), and observability (logging, tracing, alerting). * Hands-on experience with CI/CD pipelines (Jenkins, GitHub Actions, or equivalent) and Agile/Scrum practices. * Familiarity with micro-frontend architectures, Module Federation, and design systems. * Exposure to backend technologies (Node.js, Python) and cloud platforms (OCI) is a strong plus. ## Description * Define and drive the technical vision, architecture, and long-term roadmap for frontend systems across the platform. * Lead the design and development of scalable, high-performance web applications that serve millions of users. * Conduct architecture reviews, design discussions, and technical deep dives to ensure engineering excellence. * Mentor senior engineers and raise the overall engineering bar through coaching and technical leadership. * Own critical production systems and drive operational excellence, observability, security, and reliability. * Partner with product managers, designers, backend engineers, and senior leadership to align technical strategy with business goals. * Evaluate emerging technologies and identify opportunities to improve developer productivity and product quality. * Champion frontend best practices including performance optimization, accessibility, design systems, and reusable component architecture. * Drive cross-team initiatives that reduce tech debt, improve CI/CD pipelines, and elevate code quality standards. * Influence engineering culture by contributing to hiring, onboarding, and establishing technical standards across the organization. * Represent the engineering team in cross-functional planning, sprint reviews, and executive stakeholder discussions. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Stop using Node.js like in 2020! 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