Senior Frontend Engineer

Senior Frontend Engineer
Hybrid - Malvern, PA

ASSESSMENT REQUIRED

We 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 Responsibilities

• Provide 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 Qualifications

• 5+ years of related work experience
• Strong proficiency in React.js and modern JavaScript / TypeScript, including:
  • Hooks
  • Component design
  • State management
• Solid 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 Skills

• Experience with React Native.
• Experience using Claude Code or agentic IDEs to improve developer productivity.