Senior Frontend Engineer
About Us
Every business needs to know who they’re really working with whether it’s suppliers, investors, partners, or third parties. At Xapien, we’re reinventing how organisations do that, combining speed, scale and accuracy with cutting-edge AI.
Since 2018, we’ve grown from a deep-tech startup to a global player in AI-driven due diligence and risk intelligence. 2024 was a landmark year as we closed a $10M Series A, earned recognition in the Chartis RiskTech100® and Everest Group’s Leading 50™, and expanded our products, markets and customer base.
2025 was even bigger: With new regulations, rising compliance pressure and growing reputation risks, organisations everywhere are demanding smarter, faster ways to work and they’re turning to us. Customers worldwide from global law firms and private banks to universities and nonprofits rely on Xapien to turn days of manual research into trusted insights, delivered in minutes.
Our momentum so far
Customers in a diverse range of industries, with particular growth in wealth management, financial services and supply chain onboarding.
Demand accelerating beyond our UK headquarters, across multiple continents with new customers in the Middle East, Asia, and Oceania.
Why this is an exciting time to join
This isn’t just another job role; it’s an opportunity to shape the future of the due diligence industry with a market-leading product trusted by global organisations. Whether you’re in marketing, communications, sales, or finance, you’ll play a critical role in driving growth, building credibility, and defining how we connect our product to a rapidly evolving market.
We’re scaling fast with more customers, more releases, and bigger regulatory and market challenges. Expectations are rising, due diligence now means real-time insight, delivered efficiently and with impact. You won’t just be executing campaigns, closing deals, or managing numbers, you’ll be influencing strategy, optimising processes, and helping position a brand that’s setting the new standard for trust and transparency.
For people who love learning, innovating, and making an impact that matters now is the moment to be a part of Xapien.
The Role
We're hiring Senior Frontend Engineers to join our Core App team. You'll be responsible for building the interfaces and experiences that our users interact with daily, working closely with backend engineers, product managers, designers, and other teams across the organisation.
Our frontend stack is modern React with Vite, Turbo, Tailwind CSS, and Storybook. You'll work on everything from core user journeys to sophisticated data visualisations, collaborating with teams across engineering including our Investigations, Platform, and Customer Success teams.
What You'll Do
Build responsive, accessible, performant user interfaces using React and modern frontend tooling
Collaborate closely with designers to implement pixel-perfect UIs and great user experiences
Work with backend engineers to design and consume APIs effectively
Write well-tested, maintainable code following established patterns
Contribute to our component library and design system
Participate in code reviews and help maintain frontend standards
Work cross-functionally with other teams to deliver features
Debug and optimize frontend performance
Mentor junior engineers and share knowledge with the team
Build new features and improve existing user journeys
What We're Looking For
Essential:
5+ years of professional frontend engineering experience
Strong expertise in React and modern JavaScript/TypeScript
Deep understanding of HTML, CSS, and web standards
Experience building responsive, accessible user interfaces
Proficiency with modern frontend build tools and workflows
Strong understanding of state management patterns
Experience with component-driven development and design systems
Commitment to testing and code quality
Excellent collaboration and communication skills
Self-driven with ability to work independently and as part of a team
Highly Desirable:
Experience with our specific stack (Vite, Turbo, Tailwind, Storybook)
Background in SaaS platforms or complex B2B products
Understanding of web performance optimization and monitoring
Familiarity with backend technologies to enable better cross-stack collaboration
Our Tech Stack
Framework: React, TypeScript
Build Tools: Vite, Turbo
Styling: Tailwind CSS
Component Development: Storybook
Testing: Modern testing frameworks
State Management: Modern React patterns
What Success Looks Like
In your first 6 months, you will have:
Independently delivered features with high quality and minimal guidance
Contributed meaningfully to the design system and component library
Built strong working relationships across Product, Design, and Engineering
Made impactful improvements to user experience and code quality
Collaborated effectively with backend teams and other engineering groups
Here’s our promise to you:
We are going to work with you - to build a rewarding and fulfilling career with the opportunities, challenges and resources you need to do you your best work.
We succeed together- you will own a meaningful part of the business through our employee shares & equity programme.
Private health insurance to keep you in tip-top condition.
Life Insurance – let's hope nobody ever needs this!
Unlimited holidays – yes, it really is uncapped – take the time you need, when you need it.
Everyone is learning, developing and challenging themselves so we have a £1k professional development fund per year if you want to learn new skills, even new things outside of work.
Most importantly of all, we will work with you, to help you realise your fullest potential, always.