Senior Frontend Engineer

Overview

At Xapien, we’re reinventing how organisations do due diligence and risk intelligence by combining speed, scale and accuracy with cutting-edge AI. Since 2018 we have grown from a deep-tech startup to a global player, with notable milestones in 2024 and ongoing momentum across multiple continents. Our customers range from global law firms and private banks to universities and nonprofits, relying on Xapien to turn days of manual research into trusted insights delivered in minutes.

Our momentum continues as demand rises with new regulations and rising compliance pressure. This is an exciting time to join 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 are hiring Senior Frontend Engineers to join our Core App team. You will 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 Investigations, Platform, and Customer Success teams.

• 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

• 5+ years of professional frontend engineering experience
• Strong expertise in React and modern JavaScript/Type Script
• 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

• 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

• Framework:
  React, Type Script
• Build Tools:
  Vite, Turbo
• Styling:
  Tailwind CSS
• Component Development:
  Storybook
• Testing:
  Modern testing frameworks
• State Management:
  Modern React patterns

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 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.
• £1k professional development fund per year for learning new skills, even outside of work.
• Most importantly, we will work with you to realise your fullest potential, always.

Compensation Range: £90K - £110K