UX Designer

Who are OnBuy?

OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere.

We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list.

All achievements we are very proud of, but we don't let that go to our head. We are all laser focused on our mission and understand the huge joint effort ahead of us needed to succeed.

Working at OnBuy:

We are a team of driven and motivated people who thrive when working at pace. To succeed at OnBuy you need to take charge and fully own your responsibilities, rolling your sleeves up when needed to 'get it done'. Working at OnBuy you are surrounded by so much opportunity, but you must possess the ability to stay focused and prioritise ruthlessly. Most importantly, you will thrive in an ever-changing environment as we are constantly evolving.

At OnBuy, you're not just a number or another cog in a machine. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard.

We are a close team, who have the opportunity to learn and grow as OnBuy evolves. We work in a flexible way, meaning we can prioritise our health and relationships, but when we are working, we graft.

Job Overview:

We are seeking a talented and user-focused UX Designer to help shape the experience of our online marketplace. Your primary responsibility will be to understand user needs, behaviours, and motivations, and translate these insights into seamless, engaging, and effective user interfaces.

You will collaborate closely with cross-functional teams—including Product Managers, Developers, and Graphic Designers—to create solutions that meet user expectations while aligning with business objectives.

Key Responsibilities:

• Design meaningful and intuitive user experiences by balancing customer insights, business goals, and technical constraints

• Gather and evaluate user requirements in collaboration with Product Managers, Developers, and fellow Designers

• Create wireframes, prototypes, user flows, storyboards, and mock-ups for web and mobile applications

• Present design concepts and solutions to stakeholders and incorporate feedback

• Conduct usability testing and iterate on designs based on user feedback

• Stay up to date with the latest UX trends, tools, and best practices

• Deliver finalised journey designs to Product and Development teams ahead of sprint schedules as per an Agile Delivery Methodology

Requirements

• Proven experience in a UX role within a fast-paced scale-up or tech environment

• Strong portfolio demonstrating user-centred design processes and successful outcomes

• Solid understanding of e-commerce UX best practices

• Experience facilitating workshops and knowledge-sharing sessions

• Proficiency in design tools such as Figma, Adobe Creative Suite, or equivalent

• Strong grasp of user-centred design principles and usability testing methodologies

• Excellent communication and collaboration skills, with the ability to clearly articulate design decisions

• Ability to align teams around solutions and lead productive design discussions

• Self-starter with excellent time management and organisational skills

• Familiarity with HTML/CSS and a basic understanding of front-end development

• Working knowledge of Agile methodologies, particularly Scrum and Kanban

Benefits

The salary on offer for this role is up to £40,000 to £50,000 per annum, depending on experience.

We also offer the following benefits:

• 25 days annual leave + Bank Holidays
• 1 extra day off for your Birthday
• Employee Assistance Programme
• Perks at Work benefit platform
• Opportunities for career development and progression

Plus in return for helping us to grow, we'll offer you company equity, meaning you own a piece of this business we are all working so hard to build.

Our Commitment

OnBuy is an equal opportunities employer. We are dedicated to creating a fair and transparent workforce, starting with a recruitment process that does not discriminate on the basis of gender, sexual orientation, marital or civil partnership status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability, or age.