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Haystack
UX/UI Developer
£70k
- £110k
London
Hybrid
Graduate
Junior
Mid
Senior
Leader
Description
Hybrid requirements: 2 days per week in the office.
About The Company
The client is transforming the rental experience with a technology-first approach. Serving millions of users, they’re one of the leading platforms in the property rental space.
Their mission is to make renting fairer, safer, and more affordable for everyone. By replacing outdated, fee-heavy systems with modern, user-friendly tools, they empower both tenants and landlords to take control of their rental journeys.
The Role
They are looking for a Senior UX/UI Developer with a passion for building intuitive, user-focused digital experiences. This is a hands-on position for someone who excels at both design and front-end development, and who thrives on solving complex problems with elegant, user-friendly solutions.
This person will play a key role in shaping the visual and interactive identity of the platform, working closely with developers, designers, and product managers. They will be a driving force in setting high standards for UX and UI, and in guiding the team toward best practices.
What You’ll Do
Design and implement user interfaces that are both functional and visually appealing.
Transform complex workflows into seamless user journeys.
Lead UX/UI strategy and help define design direction across projects.
Collaborate across departments to ensure cohesive, user-centred outcomes.
Share knowledge and mentor teammates in front-end and UX principles.
Iterate on existing designs and processes to continuously improve usability and performance.
What They’re Looking For
Strong background in front-end development with a focus on user experience (ideally within a B2C product environment).
Proficiency in TypeScript, JavaScript, SCSS/CSS, and HTML.
Bonus: Familiarity with C# or other back-end technologies.
A keen eye for clean, maintainable code and thoughtful interface design.
Solid understanding of responsive design and browser rendering across devices.
A collaborative, problem-solving mindset with a focus on user needs.
Interest in working on high-impact software with real-world applications.
Why Join Them
Meaningful Impact: The work will improve the daily experience of a wide user base.
Tech-Focused Environment: Collaborate with a team that values quality engineering and fast iteration.
Professional Growth: Shape the role, push boundaries, and help define product direction.
Team Culture: Be part of a close-knit, autonomous team that values communication and initiative.
Benefits
Salary of up to £110K
Flexible working hours
Working within a small team
Equity
Role tech stack
JavaScript
TypeScript
CSS 3
C#
HTML5
Haystack
UX/UI Developer
£70k - £110k
London
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