Join to apply for the React Frontend Developer (Mid-level) role at Xelix

Overview

At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate — moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up with a growing team and ambitious goals. In this role you’ll grow, be challenged and help shape the future of Xelix.

In this role you’ll join a development team to implement user interface components using React concepts and workflows such as Redux and RTK Query. You will ensure that components and the overall application are robust and maintainable. There are opportunities to innovate as you collaborate with stakeholders to design and implement new features.

Responsibilities

• Collaborate with designers and other developers to build websites from specifications produced in Figma.
• Create visually appealing experiences using CSS3 for frontend applications.
• Develop, design, and consume REST APIs and WebSocket solutions to efficiently deliver application components.
• Perform testing and quality assurance activities on different browsers and devices to ensure compatibility and responsiveness.
• Mentor other team members, share knowledge, and help improve the team's abilities.
• Ensure code quality by writing comprehensive tests and participating in code reviews.

What You’ll Bring

• Strong knowledge of modern JavaScript, React, Redux, and RTK Query.
• Minimum 3 years of front-end development experience.
• Proficiency in JavaScript, TypeScript and CSS3.
• Familiarity with modern application architecture and design patterns.
• Understanding of the complete software development lifecycle.
• Strong computer science fundamentals and problem-solving skills.
• Ability to effectively communicate complex technical concepts to team members and stakeholders.
• Passionate about testing, rapid iteration and collaborative problem solving (e2e, unit, and integration tests).
• Knowledge of modern frontend testing tools (Playwright, Vitest, React Testing Library).

Bonus Points

• Interest and aptitude in data visualization, transforming complex datasets into intuitive visuals.
• Skills in UX/UI design with attention to user journeys.

What We Offer In Return

• Competitive salary of £60,000 to £75,000 depending on experience.
• 27 days of annual leave (including 3 days Christmas closing), with the option to roll over 3 days.
• Hybrid working with one day a week from our dog-friendly Hoxton office and on-site gym.
• Comprehensive private medical and dental cover with Vitality.
• Enhanced parental leave pay.
• Learning & development culture – £500 personal annual budget.
• We’re carbon-neutral and are working towards ambitious carbon reduction goals.
• Team socials, activities, and annual team retreat.

Interview Process

• Introductory Call – A short Teams conversation with a Talent Partner to discuss your background and the opportunity.
• Hiring Manager Interview – A 30–45 minute Teams meeting to explore your experience and fit for the team.
• Technical Task or Presentation – A role-relevant exercise to demonstrate your skills and approach.
• Final On-site Interview – An in-person meeting with our senior leadership team and co-founders at our office.

We strive to make the process clear, efficient, and respectful of your time.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology
• Software Development

We believe that people from diverse backgrounds, with different identities and experiences, make our company and product better. No matter your background, we'd love to hear from you. If you have a disability, please let us know how we can make the interview process better for you — we’re happy to accommodate.

If you’re a recruiting agency, we have an existing list of agencies we work with and are not currently planning on expanding the list. Neither the Talent team nor hiring managers or the Support team will respond to cold outreach.

This is a full-time position, with standard working hours from 9:00 AM to 6:00 PM, Monday through Friday.

london, united kingdom 2 weeks ago