Senior UI Engineer (React)

Senior UI Engineer (React)

Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Create stunning user interfaces using React and TypeScript while collaborating with cross-functional teams.
  • Company: Join a leading SaaS company focused on innovation and user experience.
  • Benefits: Competitive salary, flexible work options, and opportunities for professional growth.
  • Why this job: Make a real impact by shaping the future of UI engineering and mentoring junior talent.
  • Qualifications: 5+ years in front-end engineering with expertise in React and TypeScript.
  • Other info: Dynamic team environment with a focus on modern engineering practices and career advancement.

The predicted salary is between 36000 - 60000 £ per year.

The Senior UI Engineer is a key contributor within the R&D Engineering department, responsible for delivering high-quality front-end features and components across StarCompliance’s SaaS applications. You will collaborate closely with Product, Design, and Backend Engineering teams to deliver elegant, performant, and maintainable user interfaces aligned with Star’s design system and front-end architecture. This role plays a central part in ensuring consistency, accessibility, and performance across Star’s suite of products — contributing to the continuous improvement of UI frameworks, component libraries, and coding standards. The Senior UI Engineer also mentors junior engineers, influences front-end best practices, and helps drive innovation in user experience delivery.

Key Responsibilities & Accountability

  • Help shape the evolution of StarCompliance’s front-end engineering discipline — building scalable, performant, and maintainable interfaces that delight our users.
  • Build, maintain, and evolve front-end features and components using React, TypeScript, and modern web tooling.
  • Contribute to the design and development of Star’s design system and component library, ensuring consistency, accessibility, and scalability.
  • Collaborate with designers to translate design concepts into production-ready, pixel-perfect interfaces.
  • Optimize front-end performance and maintain high standards for accessibility and cross-browser compatibility.
  • Participate in architectural discussions, helping to define Star’s front-end strategy, tooling, and best practices.
  • Write robust, testable code with high unit test coverage using Jest and React Testing Library.
  • Work within modular or micro-frontend environments, integrating components across distributed systems.
  • Mentor and support other engineers through code reviews, pairing, and technical guidance.
  • Collaborate closely with Product, Architecture, and QA teams to ensure quality is built into every stage of development.
  • Champion modern UI engineering practices including CI/CD integration, component reusability, and automated testing.

What We Are Looking For

  • 5+ years of professional front-end engineering experience, with strong expertise in React and TypeScript.
  • Proven experience designing or maintaining scalable component libraries or design systems.
  • Excellent knowledge of modern JavaScript (ES6+), HTML5, CSS3/Sass, and build tools.
  • Familiarity with state management tools (React Query, Redux, Jotai, or similar).
  • Experience working with Material UI or similar frameworks and extending them as needed.
  • Solid understanding of testing frameworks (Jest, Testing Library) and CI/CD integration.
  • Comfortable collaborating in cross-functional agile teams, with strong communication and problem-solving skills.
  • Experience with performance optimization, accessibility (WCAG), and responsive design.
  • Exposure to Azure DevOps pipelines and .NET environments beneficial.
  • Strategic mindset with the ability to balance delivery speed, user experience, and technical excellence.

Senior UI Engineer (React) employer: StarCompliance, LLC

StarCompliance is an exceptional employer that fosters a collaborative and innovative work culture, making it an ideal place for Senior UI Engineers to thrive. With a strong emphasis on employee growth, you will have the opportunity to mentor junior engineers while contributing to cutting-edge projects that enhance user experience across our SaaS applications. Located in a vibrant tech hub, we offer competitive benefits and a supportive environment that values creativity and technical excellence.
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Contact Detail:

StarCompliance, LLC Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior UI Engineer (React)

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online communities. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your best work with React and TypeScript. Include projects that highlight your ability to build scalable and maintainable interfaces. This will give potential employers a taste of what you can do.

✨Tip Number 3

Prepare for interviews by brushing up on your technical knowledge and problem-solving skills. Practice coding challenges and be ready to discuss your past projects in detail. Remember, they want to see how you think and approach problems!

✨Tip Number 4

Apply through our website! We love seeing candidates who take the initiative. Tailor your application to highlight your experience with UI frameworks and your collaborative spirit. Let’s get you on board!

We think you need these skills to ace Senior UI Engineer (React)

React
TypeScript
Modern JavaScript (ES6+)
HTML5
CSS3/Sass
State Management Tools (React Query, Redux, Jotai)
Material UI
Testing Frameworks (Jest, Testing Library)
CI/CD Integration
Performance Optimization
Accessibility (WCAG)
Responsive Design
Collaboration in Cross-Functional Agile Teams
Communication Skills
Problem-Solving Skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with React and TypeScript, as well as any work you've done on scalable component libraries. We want to see how your skills align with what we're looking for!

Showcase Your Projects: Include links to your previous projects or a portfolio that demonstrates your front-end engineering skills. This is your chance to show us the elegant and performant user interfaces you've built!

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about UI engineering and how you can contribute to our team. Mention any mentoring experience or collaboration with cross-functional teams to highlight your fit for the role.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you're keen to join our team!

How to prepare for a job interview at StarCompliance, LLC

✨Know Your Tech Stack Inside Out

Make sure you’re well-versed in React, TypeScript, and the other technologies mentioned in the job description. Brush up on your knowledge of modern JavaScript, HTML5, and CSS3/Sass. Being able to discuss your experience with these tools confidently will show that you’re a strong candidate.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous projects and how you overcame them. Think about examples where you optimised performance or improved accessibility. This will demonstrate your strategic mindset and ability to balance user experience with technical excellence.

✨Familiarise Yourself with Their Design System

Research StarCompliance’s design system and component library if possible. Be ready to discuss how you would contribute to maintaining consistency and scalability in their UI. Showing that you understand their approach will set you apart from other candidates.

✨Prepare for Collaborative Scenarios

Since this role involves working closely with Product, Design, and Backend teams, think of examples where you’ve successfully collaborated in cross-functional teams. Highlight your communication skills and how you’ve mentored others, as this is key for a Senior UI Engineer.

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