Senior Software Engineer, Frontend

Duties And Responsibilities

• Lead the development of responsive, accessible, and high-performance user interfaces using React.js and Next.js.
• Design, build, and maintain reusable frontend components and libraries following modern development best practices.
• Implement advanced Next.js capabilities, including Server-Side Rendering (SSR), Static Site Generation (SSG), and API routes to optimize performance, scalability, and SEO.
• Take ownership of the configuration, development, and maintenance of web applications that are critical to the organization's mission and core business operations.
• Collaborate closely with UX/UI designers, product managers, and frontend teams to translate wireframes, visual designs, and business requirements into functional, high-quality code.
• Develop web applications that integrate with multiple frontend systems and external data sources through REST and GraphQL APIs and other web services.
• Optimize applications for speed, scalability, and performance, with an emphasis on Core Web Vitals and overall user experience.
• Build sophisticated user interfaces using JavaScript, TypeScript, and related frameworks.
• Perform unit, integration, and regression testing to ensure code quality and system stability.
• Develop and maintain Builder.io-powered pages, templates, and components in alignment with design and brand requirements, and integrate Builder.io content with Next.js applications.
• Collaborate with designers and content editors to configure Builder.io models, sections, and reusable blocks, and optimize implementations for performance, accessibility, and SEO.
• Conduct and support user acceptance testing (UAT), including documenting findings and verifying resolutions.
• Monitor website performance, logs, and analytics to ensure reliability, uptime, and optimal user experience.
• Perform initial troubleshooting, root-cause analysis, and escalation for production issues and incidents.
• Mentor junior developers by providing guidance on coding standards, architectural patterns, and frontend best practices.
• Stay current with emerging industry trends, technologies, security standards, development tools, and evolving best practices.

Qualifications

• Bachelor's Degree (BA) from a four-year college or university, or five or more years of related experience and/or training, or equivalent combination of education and experience.
• Computer skills required: Contact Management Systems; Development Software; Inventory Software; Microsoft Office Suite; Project Management Software, Database Software, Design Software, Internet Software, Spreadsheet Software, Word Processing Software, Electronic Mail Software, Presentation Software, Reservation Software, Phone Software.
• Other skills required: Five or more years of professional experience developing web applications using React.js, Next.js, and modern JavaScript frameworks.
• Expert-level proficiency in React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+), with comprehensive understanding of component-driven development and modern UI patterns.
• Strong experience with Server-Side Rendering (SSR), Static Site Generation (SSG), ISR, and Next.js routing and data-fetching strategies.
• Solid production-level experience with TypeScript, including advanced typing, generics, and type-safe API integration.
• Expertise in Builder.io, including building custom components, configuring models, defining reusable blocks, integrating Builder content into Next.js, and optimizing CMS-driven pages.
• Hands-on experience integrating RESTful APIs and GraphQL endpoints, including client-side caching, error handling, and secure data flows.
• Proficiency in responsive UI design, semantic HTML, and modern styling frameworks such as Tailwind CSS, CSS Modules, styled components, or Emotion.
• Strong understanding of SEO best practices, Core Web Vitals, frontend performance optimization, and accessibility standards (WCAG 2.1).
• Experience with frontend testing frameworks and methodologies, including Jest, React Testing Library, Cypress, or Playwright.
• Skilled using Git and GitHub for version control, including branching strategies, code reviews, and pull-request workflows.
• Familiarity with CI/CD pipelines and deployment platforms such as Vercel, Netlify, AWS, or Azure.
• Experience with performance profiling tools such as Lighthouse, Chrome DevTools, Web Vitals, and bundle analysis tools.
• Understanding of web security best practices, including common frontend vulnerabilities (XSS, CSRF, CORS) and secure coding standards.
• Ability to collaborate in Agile/Scrum environments and contribute to iterative delivery, sprint planning, and code quality improvements.