Senior Frontend Engineer (React/React Native)

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in Plovdiv, BGR
Remote
50K-56K Annually
Senior level
Information Technology
The Role
Develop and maintain scalable React and React Native interfaces for web and mobile applications. Build reusable frontend components and libraries, translate designs into polished experiences, manage data flows with Apollo, optimize performance and accessibility, write tests, resolve bugs, and collaborate with backend engineers through agile development practices.
Summary Generated by Built In

📍Applications are open for Bulgaria-based candidates only

At Perkbox, we’re on a mission to help every employee feel valued, and through our all‑in‑one platform, we deliver meaningful benefits, recognition, and wellbeing solutions that make a real difference to employees every day. But it starts with our own people.

We’re building a culture that reflects what we offer: prioritising wellbeing, celebrating impact, and empowering growth. If you’re excited by purpose‑driven work, fast‑paced growth, and creating better employee experiences at scale, you’ll fit right in.

As we continue to grow our Bulgaria-based team, we’re hiring an experienced Senior Frontend Engineer to play a key role in shaping the future of our product. Working as part of a cross-functional squad, you'll design and deliver scalable, high-performance user interfaces that serve millions of users, while helping drive frontend best practices, performance, accessibility, and consistency across our platform.

What you’ll be responsible for:

  • Develop and maintain responsive user-facing features using React.js, React Native, and TypeScript.

  • Translate wireframes and design prototypes into high-quality, reusable code.

  • Build and maintain modular frontend components and libraries to promote consistency and scalability

  • Collaborate on frontend solutions across both web and mobile applications, ensuring performance, usability, and consistency

  • Manage complex data flows using Apollo and modern state management practices

  • Leverage AI-assisted development tools to improve productivity and adopt emerging technologies

  • Optimise applications for performance across browsers, devices, and screen sizes

  • Write clean, maintainable, and testable code, including unit and UI integration tests

  • Collaborate closely with backend engineers to deliver seamless user experiences

  • Participate in sprint planning, code reviews, and agile ceremonies

  • Diagnose and resolve performance issues, bugs, and frontend reliability challenges

Work Mode & Salary:

  • Remote working within Bulgaria only. We do have an office in Plovdiv should you wish to work hybrid.

  • Gross annual salary: €50,000 to €56,000 based on experience.

Skills and experience required:

  • 4+ years of commercial experience building frontend applications with React

  • Strong knowledge of JavaScript, TypeScript, HTML, and CSS

  • 1+ year of React Native experience (backed by a strong React and TypeScript foundation)

  • Experience working with Apollo or similar state and data management solutions

  • Proven ability to build reusable components and frontend libraries

  • Experience translating designs and wireframes into polished user experiences

  • Strong understanding of frontend performance optimisation techniques across web and mobile applications

  • Experience using Git and collaborative development workflows

  • Broad understanding of modern web architectures and development best practices

  • Exposure to AI-enabled development tools and workflows

Interview Process

  • Online interview with the Senior Talent Advisor

  • 75-minute technical interview with Engineering Leads

  • 45-minute final interview with the Director of Engineering

Diversity & Inclusion:

At Perkbox, we’re committed to building an inclusive workplace for all. We welcome applications from candidates of all backgrounds and are happy to provide reasonable adjustments where needed. Your comfort and success matter to us!

Skills Required

  • 4+ years of commercial experience building frontend applications with React
  • Strong knowledge of JavaScript, TypeScript, HTML, and CSS
  • 1+ year of React Native experience
  • Experience with Apollo or similar state and data management solutions
  • Experience building reusable components and frontend libraries
  • Experience translating designs and wireframes into polished user experiences
  • Strong understanding of frontend performance optimization across web and mobile applications
  • Experience using Git and collaborative development workflows
  • Broad understanding of modern web architectures and development best practices
  • Exposure to AI-enabled development tools and workflows
  • Must be based in Bulgaria
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The Company
HQ: London, England
180 Employees
Year Founded: 2015

What We Do

Perkbox is a global rewards and benefits platform that helps companies to care for, connect with and celebrate their employees, no matter where they are or what they want. Our platform helps organisations to align their people with their purpose. Trusted by over 4000 businesses across the globe, the Perkbox platform helps keep employees motivated, supported and engaged. Our platform empowers teams with the choice in how they’d most like to be rewarded, recognised and celebrated. From personalised reward and recognition, to meaningful benefits and wellbeing support — we’ve got something for everyone, regardless of where they are or what they like. Our global mobile app provides a seamless experience on the go for everyone and is proven to save businesses time and money, as well as improving team performance. With over 10 years’ expertise, we’re here to help you take your employee value proposition to the next level

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