What are the responsibilities and job description for the Sr UI Front-end Engineer position at S3 Staffing USA?
Sr UI Front-end Engineer
Location : Chicago, IL or Peoria, IL (Local only)
Requirements:
Education:
• Bachelor’s degree in Computer Science or related field required
• Master’s degree is preferred
Required Qualifications
• 5–7 years of front-end or UI development experience
• Strong experience with React, TypeScript, and Redux
• Experience working in Agile or Scrum teams
• Strong communication and collaboration skills
Preferred Qualifications
• Experience with enterprise-scale applications
• Familiarity with CI/CD pipelines and cloud environments
Disqualifiers
• No full-stack developers
• No UX designers
We are seeking an experienced Front-End Software Engineer to help design and build modern, high-performing web applications. In this role, you will focus on creating intuitive user interfaces using React and TypeScript while collaborating closely with product, architecture, and engineering teams.
You will contribute hands-on code, help shape UI architecture, and support reusable component development. This role works within an Agile environment and offers a hybrid schedule with in-office collaboration one day per week.
Key Responsibilities
• Design and develop scalable, user-friendly web interfaces
• Build and maintain reusable UI components and design patterns
• Contribute to solution design and technical decision-making
• Lead proof-of-concepts and technical spikes
• Collaborate with cross-functional teams to refine requirements
• Integrate data visualizations and dashboards
• Support application performance, usability, and code quality