Senior Product Designer

The Design Project; Greater London; Hybrid; GBP 70,000 - 95,000; Full time

Job summary

A prominent design firm is looking for a Senior Product Designer for a 12-month fixed-term contract in London. This role will lead the design process, focusing on user experience and interface for web and mobile applications. Candidates should have 5-10 years of experience in product design, with proficiency in Figma. The position offers a competitive salary range of £70,000 to £95,000, along with a hybrid working model and tailored benefits to support growth and well-being.

Benefits

Competitive Bonus Scheme

Flexible Benefits Budget

Mental Wellbeing Support

Learning and Development Budget

Private Health Care

Matched Pension Contributions

Generous Holiday Allowance

Qualifications

• 5-10 years of professional experience in product design, especially UX/UI.
• Demonstrated experience in designing complex workflows and UIs.
• Proven track record of mentoring junior designers.

Responsibilities

• Lead end-to-end design processes for key product features.
• Conduct user research and usability testing.
• Collaborate with cross-functional teams to meet business objectives.

Skills

Wireframing

Prototyping

UI Design

Communication

Mentoring

User-Centered Design

Education

Bachelor's degree in Design, HCI, or related field

Tools

Figma

InVision

Adobe XD

Job description

Job Title: Senior Product Designer - 12 month FTCCompany: Flagstone Group LTDLocation: London, United KingdomJob Type: ContractCategory: Product Design / UX/UI DesignDate Posted: January 14, 2026Experience Level: Mid-Senior Level (5-10 years)Remote Status: Hybrid

• Drive the user experience (UX) of Flagstone's website, platform, and internal systems, translating user needs into intuitive and effective designs.
• Champion UX strategy and foster a culture of design excellence within a cross-functional team environment.
• Mentor junior members of the design team, contributing to their professional development and the overall quality of design output.
• Identify opportunities for innovation that drive conversion rates, self-serve capabilities, and task efficiency across digital products.

📝 Enhancement Note: While the role is listed as Product Designer, the emphasis on UX strategy, user journeys, and cross-functional collaboration strongly indicates a focus on User Experience (UX) and User Interface (UI) design principles, with a senior capacity for strategic input and team guidance. The "FTC" (Fixed-Term Contract) designation is crucial for candidates to note.

📈 Primary Responsibilities

• Lead the end-to-end design process for key product features, from initial concept and wireframing to high-fidelity prototyping and UI design, leveraging tools like Figma.
• Conduct user research and usability testing in collaboration with dedicated researchers and data analysts to validate design decisions and iterate on user flows.
• Analyze current 'as-is' user journeys to identify pain points and opportunities, envisioning and designing 'to-be' future state journeys that enhance user satisfaction and business outcomes.
• Contribute to the evolution and maintenance of the company's design system, ensuring consistency, scalability, and adherence to established design standards across all platforms.
• Collaborate closely with Product Managers and Engineering teams to ensure clear understanding of requirements and to deliver pixel-perfect UIs that meet technical specifications and business objectives.
• Work alongside content specialists to help drive best practices in copy and messaging, ensuring a cohesive and effective user experience.
• Proactively identify and propose innovative solutions to enhance user engagement, conversion rates, and operational efficiency within the financial technology platform.
• Mentor and guide junior designers, providing constructive feedback and fostering their growth in UX/UI design principles and best practices.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on design execution, strategic UX thinking, and team leadership. Specific areas of focus include conversion optimization, self-serve functionality, and efficiency improvements, which are critical for a FinTech product.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, Human-Computer Interaction, Computer Science, or a related field, or equivalent practical experience.

Experience:

• 5-10 years of professional experience in product design, with a strong emphasis on UX/UI design for web and mobile applications.
• Demonstrated experience in designing complex workflows and user interfaces for digital products.

Required Skills:

• Proficiency in wireframing, prototyping, and UI design using industry-standard tools, with a strong preference for Figma.
• Proven experience in developing and working with design systems, ensuring consistency and scalability.
• Solid understanding of user-centered design principles and methodologies.
• Experience conducting or contributing to usability testing and user research initiatives.
• Excellent communication and presentation skills, with the ability to effectively influence and communicate with both technical and non-technical stakeholders.
• Ability to receive and incorporate constructive critique on design work.

Preferred Skills:

• Experience designing for financial services or banking products, particularly within customer onboarding flows (e.g., KYC, KYB, AML).
• Familiarity with data analysis tools and methodologies to inform design decisions.
• Experience mentoring junior designers or leading design initiatives.

📝 Enhancement Note: The "5-10 years" experience level suggests a senior role requiring not only strong design execution but also strategic thinking, mentoring capabilities, and the ability to navigate complex projects, particularly within a regulated industry like financial services.

• A curated portfolio showcasing a range of UX/UI design projects, with a clear emphasis on complex workflows, web/mobile applications, and website design.
• Demonstrate your ability to translate user needs and business objectives into effective and intuitive design solutions, ideally with examples from financial services.
• Include case studies that highlight your process, from problem definition and user research through to wireframing, prototyping, UI design, and iteration based on feedback.
• Showcase your experience with design systems, providing examples of how you've contributed to or utilized them to ensure consistency and efficiency in your work.

Process Documentation:

• Provide evidence of your approach to analyzing 'as-is' user journeys and envisioning future state experiences, detailing the methods used for discovery and ideation.
• Illustrate your process for collaborating with cross-functional teams, including Product Managers, Engineers, Researchers, and Data Analysts, to ensure successful product development and delivery.
• Detail how you incorporate user feedback and data analysis into your design iterations to optimize usability and drive desired outcomes like conversion and task efficiency.

📝 Enhancement Note: A strong portfolio demonstrating a structured design process, problem-solving skills, and a focus on measurable outcomes (conversion, efficiency) will be critical. For this role, showcasing experience with financial services onboarding flows would be a significant advantage.

Salary Range: As this is a 12-month fixed-term contract (FTC), the salary will be competitive and commensurate with experience for a Senior Product Designer in London. Based on industry benchmarks for similar roles in London with 5-10 years of experience, a gross annual salary range of £70,000 - £95,000 is estimated.

• Hybrid Working: At least 1 day per week in the London office to foster team collaboration.
• Competitive Bonus Scheme: Rewarding high performance.
• Flexible Benefits Budget: A customizable budget for personal well-being needs (e.g., hormone/fertility testing, cancer screening, neuro-diversity coaching).
• Salary Sacrifice Options: For tax-efficient savings on items like electric cars, nursery schemes, and tech goods.
• "Around the World" Scheme: Opportunity to work remotely from anywhere for 3 months.
• Mental Wellbeing Support: Access to therapy and mental health sessions via Spill.
• Learning and Development: A £1,000 personal development budget for skill enhancement.
• Private Health Care: Comprehensive coverage through AXA, including reduced gym memberships.
• Medical Cash Plan: For dental and optical expenses.
• Life Insurance and Income Protection: Coverage up to four times annual salary.
• Matched Pension Contributions: Up to 5% company match.
• Generous Holiday Allowance: 25 days of annual leave, plus bank holidays, well-being days, and volunteering days.
• Enhanced Parental Leave: Enhanced maternity, paternity, and adoption pay.

Working Hours: Standard full-time hours, likely around 40 hours per week, with a hybrid arrangement allowing for flexibility.

📝 Enhancement Note: The salary estimate is based on industry data for similar Senior Product Designer roles in London, considering the experience level and the FTC nature of the position. The extensive benefits package reflects Flagstone's investment in employee well-being and professional growth.

Industry: Financial Technology (FinTech), Savings Platform. Flagstone is disrupting the traditional savings market by providing an online platform for individuals, businesses, and charities to manage, protect, and grow their cash effectively.Company Size: The provided data does not specify company size but describes a "diverse group of people" and a "thriving, profitable business," suggesting a company that is established but likely agile and growing, possibly in the 50-250 employee range.Founded: The founding date is not specified, but the description of a "thriving, profitable business" indicates a company with a solid operational history and market presence.

Team Structure:

• The design team is part of a larger cross-functional product development unit, including designers, researchers, product managers, and business stakeholders.
• The Senior Product Designer will report into a Design Lead or Head of Product, with direct mentorship responsibilities for junior designers.
• Close collaboration is expected with Product Management, Engineering, User Research, and Data Analysis teams to ensure a cohesive product development lifecycle.

Methodology:

• Flagstone emphasizes a user-centric approach, driven by data analysis and user research to understand user needs and inform design decisions.
• Workflow planning and optimization are key, with a focus on improving conversion, self-serve capabilities, and task efficiency.
• The company culture values innovation, kindness, respect, and growth, fostering an environment where employees can do their best work.

📝 Enhancement Note: Flagstone's culture is highlighted as a key differentiator, focusing on collaboration, empathy, and high performance. The FinTech industry context implies a need for robust security, compliance, and user trust, which should be reflected in design solutions.

Operations Career Level: This role is positioned at a Senior level within the Product Design function. It requires a blend of advanced design skills, strategic thinking, and the ability to mentor others. The Senior Product Designer is expected to operate with a high degree of autonomy, contributing to UX strategy and driving design excellence.

Reporting Structure: The Senior Product Designer will likely report to a Head of Design, Design Manager, or a senior Product leader. They will work closely with Product Managers and Engineering leads on specific product initiatives and will mentor junior designers within the team.

Operations Impact: The Senior Product Designer plays a crucial role in shaping the user experience of Flagstone's platform, directly impacting customer acquisition, retention, and engagement. By driving conversion, self-serve features, and task efficiency, this role contributes significantly to the company's revenue growth and operational effectiveness within the FinTech sector.

• Leadership Development: Opportunity to lead design initiatives, mentor junior team members, and contribute to the strategic direction of the design function.
• Skill Specialization: Deepen expertise in UX strategy, FinTech design, complex workflow design, or design system management.
• Cross-Functional Exposure: Gain insights into product management, engineering processes, and data analytics within a FinTech environment.
• Permanent Opportunity: While this is a 12-month FTC, excellent performance could potentially lead to a permanent role within Flagstone, given the company's growth trajectory.

📝 Enhancement Note: The Senior Product Designer role offers a clear path for developing leadership and strategic design skills, particularly within the specialized domain of FinTech. The FTC nature presents an opportunity to gain valuable experience with a reputable company and potentially transition to a full-time position.

Office Type: Flagstone offers a hybrid working model, requiring at least 1 day per week in their London office. This suggests an office environment designed for collaboration, team meetings, and focused work.

Office Location(s): London, United Kingdom. Specific office address details would typically be provided upon offer or during the interview process. The London location offers access to a vibrant tech and finance ecosystem.

Workspace Context:

• The office environment is designed to foster collaboration, with teams expected to spend at least one day a week together. This facilitates brainstorming, design critiques, and team-building activities.
• Access to modern design tools and technology, including Figma, is expected to be readily available.
• Opportunities for regular interaction with a diverse group of professionals across Product, Engineering, Research, and Data Analysis teams.

Work Schedule: The role is full-time, likely adhering to standard business hours (e.g., 9 am to 5 pm or 10 am to 6 pm), with a hybrid arrangement providing flexibility on remote workdays. The "Around the World" scheme offers an exceptional opportunity for extended remote work periods.

📝 Enhancement Note: The hybrid model aims to balance the benefits of in-person collaboration with the flexibility of remote work, catering to modern professional needs. The "Around the World" scheme is a unique perk for experienced professionals.

Interview Process:

• Initial Screening: A brief call with a recruiter to assess basic qualifications, experience alignment, and interest in the role and company.
• Portfolio Review & Technical Interview: A deeper dive into your portfolio with a hiring manager or senior designer. Expect to walk through 1-2 case studies, discussing your process, design decisions, and the impact of your work. This stage will also assess your technical proficiency with design tools like Figma.
• Cross-Functional Interview: An interview with key stakeholders from Product Management and Engineering to evaluate your collaboration skills, communication style, and ability to work effectively within a cross-functional team.
• Final Interview/Cultural Fit: A conversation, potentially with a senior leader, to assess your alignment with Flagstone's culture, values, and your approach to mentorship and driving design excellence.
• Curate Strategically: Select 2-3 projects that best showcase your skills relevant to this role: complex workflows, FinTech experience (if any), and your contribution to driving conversion or efficiency.
• Tell a Story: For each case study, clearly articulate the problem, your role, your design process, key decisions made (and why), challenges faced, and the measurable outcomes or impact achieved. Use visuals effectively.
• Highlight Process: Emphasize your user-centered design process, including research, ideation, prototyping, testing, and iteration. Show how you use data and user feedback to inform your designs.
• Design System Focus: If possible, include examples of your work with design systems, demonstrating your understanding of consistency, scalability, and component-based design.
• Quantify Impact: Wherever possible, use data and metrics to demonstrate the success of your designs (e.g., increased conversion rates, reduced task completion time, improved user satisfaction scores).
• Be prepared for a design challenge, which could be a take-home assignment or a live exercise during an interview. This will likely focus on solving a specific UX problem related to Flagstone's product or a common FinTech user journey.
• Understand Flagstone's business model and target audience to tailor your approach. Research their current platform and identify potential areas for improvement.
• Practice articulating your design rationale clearly and concisely, as you will need to present your findings and solutions effectively.

📝 Enhancement Note: The interview process is designed to assess not only design skills but also strategic thinking, collaboration, and cultural fit. A well-prepared portfolio and clear communication of your design process and impact are paramount.

Primary Tools:

• Figma: This is explicitly mentioned as the preferred tool for wireframing, prototyping, and UI design. Proficiency is essential.
• Prototyping Tools: Beyond Figma, experience with other prototyping tools (e.g., InVision, Adobe XD) might be beneficial, though Figma's capabilities are extensive.
• Design System Tools: Familiarity with tools or methodologies for managing and scaling design systems.

Analytics & Reporting:

• Data Analysis Tools: Experience working with data analysts and understanding insights from tools like Google Analytics, Amplitude, Mixpanel, or similar platforms to inform design decisions.
• User Research Tools: Experience with tools for conducting usability testing and gathering user feedback (e.g., UserTesting.com, Hotjar, Maze).

CRM & Automation:

• While not directly for the designer, understanding how design impacts CRM and automation workflows (e.g., customer onboarding processes) is advantageous. Familiarity with CRM systems like Salesforce or HubSpot, and automation platforms, would be a plus for understanding the broader ecosystem.
• Internal Systems: The role involves designing for internal systems, so a general understanding of enterprise software workflows is helpful.

📝 Enhancement Note: Figma is the central design tool. The emphasis on data analysis and user research indicates a need for designers who are comfortable working with quantitative and qualitative data to validate their work and drive improvements.

Operations Values:

• User-Centricity: Championing the user's needs and involving them in the design process is a core tenet.
• Kindness and Respect: Flagstone fosters an inclusive community where voices are heard and valued.
• Growth and Development: The company invests in employee growth through learning budgets and mentorship.
• Collaboration: A strong emphasis on teamwork across cross-functional disciplines to achieve shared goals.
• High Performance: Striving to be at one's best through talent, drive, and empathy.
• Innovation: Continuously seeking opportunities to improve and revolutionize the savings market.
• Cross-functional Integration: Designers work closely with Product Managers, Engineers, Researchers, and Data Analysts, requiring strong communication and the ability to translate complex ideas across disciplines.
• Feedback-Driven: An open approach to critique and feedback is essential, with a willingness to iterate on designs based on input from peers and stakeholders.
• Knowledge Sharing: The team culture likely encourages sharing best practices, design learnings, and insights to elevate the collective design capability.

📝 Enhancement Note: Flagstone's culture is a significant selling point, emphasizing a supportive and collaborative environment that balances high performance with employee well-being. Candidates should demonstrate alignment with these values.

• FinTech Complexity: Designing for financial services involves navigating strict regulations, security concerns, and the need for absolute user trust, which can add complexity to design processes.
• Balancing Innovation and Stability: Innovating within a regulated industry requires a delicate balance between introducing new features and maintaining the stability and security of existing systems.
• Cross-Functional Alignment: Ensuring all stakeholders (Product, Engineering, Legal, Compliance) are aligned on design decisions and priorities can be challenging.
• Mentoring Junior Designers: Effectively guiding and developing junior talent while managing your own design workload requires strong interpersonal and time management skills.
• Financial Services Design Expertise: Deepen your understanding of user needs, regulatory requirements, and best practices specific to FinTech and banking products.
• Strategic UX Leadership: Develop skills in UX strategy, influencing product roadmaps, and championing design as a critical business function.
• Design System Mastery: Further enhance your expertise in building and maintaining scalable design systems.
• Cross-Disciplinary Learning: Gain valuable insights by working closely with product managers, engineers, and data scientists, expanding your understanding of the product development lifecycle.
• Personal Development Budget: Utilize the £1,000 budget for courses, conferences, books, or certifications relevant to your growth as a designer.

📝 Enhancement Note: The role offers significant opportunities for professional growth by tackling complex FinTech challenges and developing leadership skills within a supportive environment.

Strategy Questions:

• "Describe a complex workflow you've designed and the key decisions you made to simplify it for the user." (Focus on process, problem-solving, and user impact).
• "How do you approach collaborating with engineers and product managers to ensure a design is implemented accurately and effectively?" (Highlight communication, compromise, and technical understanding).
• "Walk us through a time you received significant critique on your design work. How did you handle it, and what was the outcome?" (Demonstrate adaptability, receptiveness, and problem-solving).
• "How would you approach designing a customer onboarding flow for a new savings product, considering KYC/AML requirements?" (Showcase FinTech-specific knowledge and user-centric problem-solving).

Company & Culture Questions:

• "What do you know about Flagstone and the FinTech industry, and why are you interested in working here?" (Research the company's mission, values, and recent news).
• "How do you contribute to fostering a positive and collaborative team culture?" (Align your answer with Flagstone's values of kindness, respect, and growth).
• "What's your experience with mentoring junior designers, and what's your philosophy on design mentorship?" (Prepare examples of guidance, feedback, and support you've provided).
• Structure: For each case study, follow a clear narrative: Problem -> Your Role -> Process -> Solution -> Outcomes/Impact.
• Visuals: Use high-quality mockups, wireframes, and prototypes. Annotate key design decisions and user flows.
• Metrics: Quantify the impact of your designs whenever possible (e.g., "Increased conversion by X%", "Reduced task completion time by Y seconds").
• Conciseness: Be prepared to present your key projects within a set timeframe (e.g., 15-20 minutes per project) and answer detailed questions.
• Figma Emphasis: Be ready to discuss your Figma workflow, design system contributions, and specific features you leverage.

📝 Enhancement Note: Preparation should focus on demonstrating not just design skills but also strategic thinking, collaboration capabilities, and cultural alignment with Flagstone's values. Being ready to discuss FinTech specifics and your mentoring experience is key.

To apply for this operations position:

• Submit your application through the provided Greenhouse link.
• Portfolio Customization: Tailor your resume and portfolio to highlight your experience in complex workflow design, UI/UX for web/mobile, and any FinTech or financial services background. Emphasize your proficiency with Figma and design systems.
• Resume Optimization: Ensure your resume clearly outlines your years of experience, key skills (User Experience, UI Design, Prototyping, Mentoring, Design Systems), and quantifiable achievements related to conversion, efficiency, or user satisfaction. Use keywords from the job description.
• Interview Preparation: Practice articulating your design process, decision-making rationale, and the impact of your work using STAR method (Situation, Task, Action, Result) for behavioral questions. Prepare to discuss your approach to mentoring and collaboration.
• Company Research: Thoroughly research Flagstone, their mission, products, and company culture. Understand their position in the FinTech market and identify potential areas where your design skills can add value.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates should have experience designing complex workflows and UIs, preferably in financial services. Strong communication skills and the ability to adapt to critique are essential.

Hybrid Working, Competitive Bonus Scheme, Flexible Benefits Budget, Salary Sacrifice Options, Around the World Scheme, Mental Wellbeing Support, Learn...