Senior Frontend Engineer

Senior Frontend Engineer – London

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Perk (formerly Travel Perk) is the intelligent platform for travel and spend management. Built to tackle the time‑consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real work, with real impact.

We’re trusted by more than 10,000 companies worldwide, including Wise, On Running, Breitling, and Fabletics, and we’re tackling the 7 hours of lost productivity per employee each week, a $1.7 trillion problem. Founded in 2015, Perk has grown into a global company of more than 1,800 people across 12 offices globally, with headquarters in London and Boston. We combine innovation, control, and simplicity to transform how businesses work and how people feel at work.

At Perk, we’re driven by values such as being an owner, delivering a 7‑star experience, and working as one team. We value curiosity, purpose, and mindset, not just knowledge, to unlock the power in your potential. Our talent team brings together leading minds from the travel and SaaS industries, representing over 70 countries.

We’re not looking for stack experts. We’re looking for smart people who can bring in the best tools and processes to get the job done. Join our passionate team and make a remarkable impact by shaping the visual face of our platform, website, and internal tools. As an integral member of our team, you will not just be involved in delivering top‑tier product features and advanced internal tools, but you will also champion the enhancement and evolution of our frontend architecture.

• Maintain, develop and introduce innovative features within our current product suite for the benefit of customers and our internal teams.
• Foster efficient collaboration with distributed and multidisciplinary teams.
• Partner with the product team to design and refine our Front End, including producing precise specifications and technical designs.
• Aid in the advancement of our infrastructure by providing relevant insights and maintaining documentation.
• Propose and implement enhancements to refine the existing software infrastructure.
• Mentor junior and mid‑level engineers in the frontend development process.

• Proven experience as a Front End Engineer with expertise in React.
• Demonstrable experience in writing and supporting automated tests.
• Proficiency with delivery, deployment, performance, and optimisation of client solutions via AWS.
• Excellent command of English, with strong written and verbal communication skills.
• Deep understanding of core web and browser concepts.
• Comprehensive knowledge of semantic HTML, CSS, and fundamental JavaScript concepts.

• Experience working with Django.
• Domain knowledge in business travel.
• Familiarity with:
  • Microfront ends
  • Webpack
  • Single‑spa
  • Cypress
  • Monorepos

• Competitive compensation including equity in the company
• Generous vacation days so you can rest and recharge
• Health perks such as private healthcare or gym allowance depending on your location
• "Flexible compensation plan" to help you diversify and increase the net salary
• Unforgettable Perk events including travel to one of our hubs
• Mental health support tool for your wellbeing
• Exponential growth opportunities
• Volunteer Perk – 16 paid hours per year to volunteer for a cause of your choice
• Parental leave: 12 to 16 weeks, based on location and eligibility factors

Our Vision is for a world where Perk serves as the platform for human connection in‑real‑life (IRL). We take an IRL‑first approach to work, where our team works together in‑person 3 days a week. This role requires you to be based within commuting distance of one of our hubs. We fundamentally believe in the value of meeting in‑real‑life to improve connectivity, productivity, creativity and ultimately make us a great place to work.

For certain roles, we provide relocation assistance. Please specify your need for…