Senior Product Designer

Zilch; City of Westminster; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Pension scheme

Death in Service

Income Protection

Share Options Scheme

5% back on in-app purchases

WFH setup £200

Job summary

Zilch is seeking a Senior Product Designer to own end-to-end design—from first sketch to implementation. You’ll work with Product Managers, Engineers, and other Designers to deliver high-quality user experiences aligned with our vision. You’ll shape product direction, craft, and the design system while mentoring peers.

You’ll conduct user research, build prototypes, and measure launch success. The role emphasizes collaboration, storytelling, and a strong craft standard in a hybrid working

Qualifications

• Demonstrated experience in cross-functional teams designing consumer-facing products.
• Strong eye for exceptional visual design and UI execution; precision matters.
• Strategic thinking about product and design with clear communication and durable work.
• Experience using and maintaining a design system to scale products.
• Proven ability to advocate for users, applying research learnings to design decisions.
• Ability to analyse product experiments.
• Advocate for design to drive business goals; collaborative thinker.

Responsibilities

• Lead full design process from research and conception to specs and developer handoff.
• Mentor fellow designers; run critique sessions to raise overall craft.
• Ensure consistency across design work and improve output quality.
• Design customer journeys; build prototypes; run user tests; measure success of launches.
• Define and deliver products with high craft and user delight.
• Collaborate to evolve a scalable design system aligned with product goals.
• Conduct user research using qualitative and quantitative methods.
• Identify success metrics and monitor performance from user and business perspectives.
• Work with Head of Product Design and PMs to align goals and priorities.
• Document pattern libraries and style guides; evolve as products mature.
• Review releases; extract learnings to inform future product directions.

Skills

Cross-functional collaboration

Consumer-facing design

Visual design/UI

Design systems

User research

Qualitative & quantitative methods

Stakeholder storytelling

AI tooling experimentation

Tools

Figma

Design system tooling

Job description

Who we are:

We’re one of Europe’s fastest-growing fintech companies – on a mission to create the world’s most empowering way to pay.

We launched the product in 2020 and achieved double unicorn status, valued at $2 billion, and since then have taken on more than 6 million customers.

Our mission is to become the best way to pay for anything, anywhere and say goodbye to credit costs for everyone. This is huge. Want to join us?

About the role.

As a Senior Product Designer at Zilch, you will be accountable for every feature you design - from the very first sketch through to implementation, you’ll guide all stages of the design process and ensure they are of the highest quality. You’ll work closely with cross-functional teams, including Product Managers, Engineers, and other Designers, to deliver exceptional user experiences that align with our vision and goals. You’ll not only do world class design work, but also help the rest of the team do great design work too.

Day-to-day responsibilities.

• Take responsibility for the full design process from collaborative research, conception, testing, full journey specs and developer collaboration, through to UX measurement of the launched product.

• Coach and mentor your fellow designers, leading critique sessions to help develop a consistently strong holistic experience.

• Nurture consistency across different pieces of design work and strengthen the bar we set for the quality of our collective output.

• Design customer journeys, create prototypes, user test and measure the success of potential product launches.

• Help define and deliver products that are enjoyable to use with a high level of craft and attention to detail.

• Work collaboratively to manage and improve our scalable design system that meets product and business goals.

• Carry out user research through a range of qualitative and quantitative methods to understand the user experience.

• Identify key success metrics of the products you’re on and measure their success from a customer and business perspective.

• You’ll work closely with our Head of Product Design and Product Managers to align on goals, priorities, direction, and feedback.

• Document pattern libraries and style guides, updating as we evolve.

• Review the performance of the release, identify learnings, and suggest ways to shape the future product.

What we’re looking for…

• Demonstrated experience working in a cross functional team, designing consumer facing products.

• You enjoy thinking through complex product challenges and care about solving the right problem.

• You have a well-trained eye for exceptional visual design/UI execution. You care about getting things right - one pixel off is a big deal.

• Think strategically about product and design at every level, communicating decisions with clarity and confidence and producing work built to last

• Are well versed at working with disciplines in your work to achieve the best outcome, such as user research, content, and engineering.

• Are a fantastic storyteller, communicating your thinking and design decisions in a way that brings stakeholders along on the journey with you

• Experience using and helping to maintain a design system.

• Proven experience advocating for users and applying learnings from research into your design.

• Ability to analyse product experiments.

• Be an advocate for design, with an understanding and ability to articulate how it helps reach business goals.

• You are someone that likes to experiment with new ways of working and AI tools to optimise your design process.

Benefits. Compensation & Savings:

• Pension scheme.

• Death in Service scheme.

• Income Protection.

• Permanent employees enjoy access to our Share Options Scheme.

• 5% back on in-app purchases.

• £200 for WFH Setup.

Health & Wellbeing:

• Private Medical Insurance including;

• GP consultations (video, telephone or face-to-face).

• Prescribed medication.

• In-patient, day-patient and out-patient care.

• Mental health support.

• Optical, dental & audiological cover.

• Physiotherapy.

• Advanced cancer cover.

• Menopause support.

• Employee Assistance Programme including:

• Savings & discounts on everyday shopping.

• 1:1 personalised well-being consultations.

• Gym membership discounts.

Family Friendly Policies:

• Enhanced maternity pay.

• Enhanced paternity pay.

• Enhanced adoption pay.

• Enhanced shared parental leave.

Learning & Development:

• Professional Qualifications.

• Professional Memberships.

• Learning Suite for e-courses.

• Internal Training Programmes.

• FCA & Regulatory training.

Workplace Perks:

• Hybrid working: office-based Monday, Wednesday, and Thursday; remote working Tuesday and Friday

• Casual dress code.

• Workplace socials.

• Healthy snacks.