About Us
Perk (formerly TravelPerk) 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 our values, like 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. If you’re excited about having a real impact and shaping how millions of people experience work, we’d love you on the team.
Visit www.perk.com to learn more.
The Role
As a Principal Product Designer on Perk’s Core AI team, you will shape how AI is embedded across our product in a way that is trustworthy, intuitive, and genuinely useful for customers. This is a hands-on, high-impact IC role with strong cross-functional influence.
Core AI is a central team responsible for:
Building foundational AI capabilities and patterns that can be reused across Perk.
Shipping AI-powered product experiences that improve user outcomes and reduce “shadow work.”
Raising the bar for how we design, evaluate, and deliver AI features across Product Design (craft, safety, usability, measurement, and responsible use).
You will partner closely with Product, Engineering, Data/ML, and Design leadership. You will help teams go from “we could add AI here” to clear problems, strong interaction models, validated solutions, and high-quality shipped experiences.
This is a UX/UI role with significant emphasis on interaction design, systems thinking, and craft quality—with AI-specific complexity around transparency, user control, failure states, and confidence.
Required Skills
Experience: 8+ years working as a Product Designer on complex products (ideally with SaaS products). Experience leading ambiguous, cross-product initiatives.
AI product experience: Proven experience designing and shipping AI-powered experiences (LLM or ML). You understand core concepts like probabilistic outputs, hallucinations, retrieval, evaluation, latency trade-offs, and how these shape UX.
Interaction and UI design: You excel at interaction design and UI craft. You can set quality standards for modern, dense product surfaces and simplify complex workflows.
System thinking and information architecture: You can design scalable interaction patterns (not just one-off features) and create clarity across complex journeys and permissions.
Experimentation and iteration: You are comfortable working in iterative loops, using prototypes, dogfooding, and rapid testing to learn quickly, especially when “requirements” are unclear.
User research and testing: You know how to de-risk AI experiences through research, including testing comprehension, trust, calibration, and workflows. You can combine qualitative and quantitative signals.
Business thinking: You connect design decisions to customer and business outcomes. You can articulate success metrics and trade-offs clearly.
End-to-end execution: You can take initiatives from concept to launch across multiple teams, breaking down complexity into shippable milestones.
Storytelling and influence: You can align senior stakeholders, communicate the “why,” run workshops, and coach teams on better AI product thinking and craft.
Technical collaboration: You collaborate deeply with engineers and data/ML partners, and understand technical constraints well enough to shape feasible solutions and guide implementation quality.
AI tools: You actively use AI tools to enhance your workflow. You know how to prompt effectively, critique outputs, and build repeatable workflows while being thoughtful about safety and privacy.
Portfolio Requirements
Your portfolio should include at least 2 case studies. Each case study must show:
Your design process: Share what actually happened, even if it wasn't perfect.
Collaboration: Who did you work with?
Final work: Include visual examples (interactive prototypes or videos are even better)
Project context: State the client/company, your role, and whether it was a personal project
Specific examples: Show real work, not generic descriptions
Keep it simple and easy to read. A PDF or Figma link works fine—no need for a custom website.
Is this role right for you?
This role is for someone who enjoys high ambiguity and high leverage: you will help define interaction patterns for AI, raise the craft bar for how we integrate AI into product workflows, and influence how multiple teams build.
If you like designing in spaces where the product surface is only half the problem—and trust, safety, evaluation, and iteration are the other half—we’d love to hear from you.
Why you’ll love our team
You’ll join a team of 40+ Product Designers, Content Designers and Researchers, with multiple nationalities, backgrounds and personalities. You will be working in a highly collaborative environment where feedback, transparency, and support are at the core of what we do.
We value autonomy, proactivity, and creativity. We create time, space, and opportunities for you to think, experiment, and share ideas. And we firmly believe in prioritising impact over effort.
Your career and development are supported daily. We will guide you through our Competency Framework, have regular development conversations, and offer a transparent career path.
Want to know more? Find us at travelperk.design
Our benefits
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 location;
"Flexible compensation plan" to help you diversify and increase the net salary;
Unforgettable Perk events, including occasional travel to one of our hubs;
A mental health support tool for your well-being;
Exponential growth opportunities;
How We Work
At Perk, we take an IRL-first approach to work, where our team works together in-person 3 days a week. As such, this role requires you to be based within commuting distance of our hubs. We fundamentally believe in the value of meeting in real life to improve connectivity, productivity, creativity and ultimately making us a great place to work.
For certain roles, we can help with relocation from anywhere in the world, English is the official language at the office. Please submit your resume in English if you choose to apply. Do not forget to submit an updated portfolio and/or resume.
Perk is a global company with a diverse customer base, and we want to make sure the people behind our product reflect that. We’re an equal opportunity employer, which means you’re welcome at Perk regardless of how you look, where you’re from, or anything else that makes you, well, you.
Protect Yourself from Recruitment Scams
All official communication from Perk will always come from email addresses ending in @perk.com or @externalperk.com, our verified social media channels, or recruiters listed on our official LinkedIn page. We will never ask you to pay for equipment, training, or fees, request sensitive personal information such as bank details early in the process, or communicate through unofficial apps like WhatsApp, Telegram, or Signal. If you receive a message claiming to be from Perk that seems suspicious, please do not respond. Forward it to security [at] perk [dot] com, and we will confirm whether it is legitimate.
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