Senior Frontend EngineerWe are seeking a Senior Frontend Engineer with strong UI expertise and hands-on experience building modern, scalable applications using React.js, Preact and JavaScript/TypeScript. This role focuses on designing and delivering high-quality user interfaces, contributing to frontend architecture, and partnering closely with cross-functional teams to build reliable, cloud-native solutions.Core ResponsibilitiesProvide senior-level system analysis, design, development, and implementation of frontend applications and supporting services.Translate complex technical specifications into high-quality, maintainable code for new development and enhancement work.Design and implement reusable UI components, state management solutions, routing, and frontend architecture patterns.Integrate frontend applications with REST and GraphQL APIs, ensuring reliability and performance.Write, maintain, and execute unit, integration, and UI tests, with a strong focus on automation and quality.Promote code through development, test, and production environments on schedule; provide post-production support as needed.Participate in design reviews, code reviews, and test inspections throughout the software development lifecycle.Troubleshoot and resolve complex technical issues, escalating appropriately and documenting solutions.Required Qualifications5+ years of related work experienceStrong proficiency in React.js and modern JavaScript / TypeScript, including:HooksComponent designState managementSolid understanding of frontend architecture, UI composition, routing, and API integration.Experience with testing frameworks for unit, integration, and UI testing.Experience building and supporting cloud-native applications, preferably on AWS.Strong understanding of software development methodologies and enterprise development standards.Ability to work independently on complex problems while collaborating effectively within a team.Familiarity with Node.js-based tooling (npm, build scripts) and modern CI/CD pipelines for frontend applications.Awareness of performance, security, and accessibility best practices for production-grade UI applications.Experience with Java and/or Python in backend or integration contexts.Preferred / Nice-to-Have SkillsExperience with React Native.Experience using Claude Code or agentic IDEs to improve developer productivity.