Job Description

About us

We're Xelix, an AI-powered Control Centre for Accounts Payable teams. We work with some of the largest global companies to automate and enhance their financial control processes. At the heart of our product, we leverage machine learning techniques developed by our AI Engineering team to provide a more sophisticated offering than existing solutions.


Things are going really well for us - we raised our Series A funding round from top investors, we've grown our team to almost 100, and we've won industry awards for our products.

About the role

We're looking for an experienced and motivated Senior React Developer to join our growing development team. In this role, you will implement user interface components using React concepts and workflows such as Redux and RTK Query. You will also ensure that these components and the overall application are robust and easy to maintain.


Our developers take pride in their work - producing clean, tested, beautiful code. Rather than give you a detailed set of requirements, we encourage engineers to take responsibility for solving the problem. There are many opportunities to innovate as you collaborate with stakeholders to design and implement new features.


You will be well supported to continue your professional development. This includes an annual conference allowance, access to the O'Reilly library and a monthly session with your manager to identify and track your development goals.

What you'll be doing

Collaborating with designers and other developers to build websites from specifications produced in Figma. Creating visually appealing experiences using CSS3 for frontend applications. Implementing robust and scalable solutions. Developing, using and designing REST APIs and web-socket solutions to efficiently deliver application components. Performing testing and quality assurance activities on different browsers and devices to ensure compatibility and responsiveness. Implementing performance improvement strategies, testing, and measuring application performance Mentoring other team members, sharing knowledge and experience, and helping improve our team's abilities in the process. Ensuring the quality of code by writing comprehensive tests and participating in code reviews.

What you'll bring

Expert knowledge of modern syntax JavaScript and React. Proficiency in JavaScript, TypeScript and CSS3. Familiarity with modern application architecture and design patterns. Excellent understanding of the complete software development life cycle. 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 tests, integration tests) Knowledge in Test tools like Playwright, Jest.
Big Plus Points


An interest and aptitude in data visualization, transforming complex datasets into intuitive visual representations. Skills in User Experience (UX) and User Interface (UI) design, demonstrating a keen eye for aesthetics and attention to user journeys.

What we offer in return

Competitive salary of 60,000 - 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 two days a week from our dog-friendly Hoxton office and on-site gym


Comprehensive private medical & 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


Lots of team socials & activities


? Annual team retreat

Want to learn more?

About us Xelix blog Xelix news Xelix glassdoor

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! And if you have a disability, please let us know if there's any way 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 we 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.