Senior Product Designer (Growth)

📍 Job Overview

Job Title: Senior Product Designer (Growth)

Company: InvestEngine

Location: London, United Kingdom

Job Type: FULL_TIME

Category: Product Design / Growth Operations

Date Posted: 2026-08-12T08:44:07

Experience Level: 5-10 Years

Remote Status: Remote Solely

🚀 Role Summary

• Drive end-to-end product design for the Growth stream, focusing on delivering build-ready designs with minimal churn and high customer comprehension.

• Leverage user research, product data, and experimentation results to inform design decisions and validate solutions within a regulated financial services context.

• Collaborate closely with Product and Engineering to ensure clarity, efficiency, and successful implementation of design initiatives.

• Contribute to and utilize the company's Design System to maintain consistency and enhance design efficiency across the product.

• Integrate AI tools into the design workflow to accelerate exploration and delivery while ensuring transparency and repeatability for the team.

📝 Enhancement Note: While the primary title is Senior Product Designer, the emphasis on "Growth" and the responsibilities related to customer journeys, funnel optimization, and data-driven design strongly indicate a focus that intersects with Revenue Operations and Sales Operations principles, particularly in optimizing conversion paths and user engagement for business growth.

📈 Primary Responsibilities

• Own the complete design lifecycle for the Growth stream, from initial problem framing and concept development through to producing build-ready designs and iterating post-launch.

• Create detailed design outputs, including user flows, various screen states, edge case scenarios, content specifications, and clear acceptance criteria to streamline engineering efforts and reduce back-and-forth communication.

• Foster proactive collaboration with Product Managers and Engineers to identify and clarify potential issues early in the development process, thereby mitigating late-stage rework and design changes.

• Actively contribute to the company's Design System by reusing existing patterns and identifying opportunities for improvement or new component creation, ensuring design consistency and efficiency.

• Strategically employ AI tools within the design workflow to enhance exploration, ideation, and delivery speed, ensuring that AI-assisted processes are repeatable and understandable by the broader team.

• Participate actively in the team's research practices, including planning and conducting concept testing, usability studies, and comprehension tests to gather insights that drive evidence-based design decisions.

• Design with a strong emphasis on clarity, fairness, and customer understanding, particularly within the regulated environment of financial services, ensuring all designs meet compliance and ethical standards.

📝 Enhancement Note: The responsibilities highlight a strong focus on delivering "build-ready design with low churn," which is a key operational metric for growth teams. This implies a need for meticulous attention to detail in design specifications and a deep understanding of how design impacts conversion rates and customer retention, aligning with GTM operations.

🎓 Skills & Qualifications

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

Experience: 5+ years of dedicated experience as a Product Designer, UX/UI Designer, or in a similar role, with a proven track record of end-to-end ownership of complex digital product experiences.

Required Skills:

• Extensive experience in product design craft, encompassing interaction design, systems thinking, and end-to-end customer journey ownership.

• Demonstrated ability to conduct and leverage user research (concept testing, usability testing, comprehension testing) to inform design decisions and move beyond subjective opinions.

• Proficiency in data-driven design methodologies, utilizing product analytics, behavioral data, and A/B testing results to frame problems, prioritize features, and measure design effectiveness.

• High degree of ownership and autonomy, with the capacity to operate independently, clarify ambiguity, and drive design initiatives forward proactively.

• Exceptional collaboration and communication skills, functioning as a strategic partner to Product and Engineering teams rather than a purely service-based function.

• Pragmatic judgment in balancing design quality with delivery speed, understanding where to invest effort for maximum impact.

• Experience working within and contributing to a mature Design System, ensuring consistency and efficiency in design output.

• A strong comprehension-first and fair-treatment mindset, prioritizing genuine customer understanding and ethical design practices, especially critical in regulated environments.

• Fluency in English (C1 level or above) for effective communication within a UK-based team. Preferred Skills:

• Experience with growth experimentation frameworks and optimizing conversion funnels.

• Advanced prototyping skills for rapid validation of design concepts and user flows.

• Proven experience in operationalizing AI within team workflows for enhanced productivity and innovation.

• Specific domain experience within Fintech or the investment sector.

📝 Enhancement Note: The "5+ years of experience" combined with "senior contractor" implies a need for candidates who can hit the ground running with minimal ramp-up, demonstrating a high level of self-sufficiency and strategic thinking, typical of senior operations roles. The emphasis on "Regulated environment experience" is a critical qualifier for financial services operations.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A robust portfolio showcasing end-to-end ownership of complex product experiences, demonstrating a clear design process from problem definition to launched solution.

• Case studies that highlight your approach to user research, data analysis, and how these insights translated into tangible design improvements.

• Examples of designs that demonstrate strong interaction design principles, systems thinking, and consideration of user flows across multiple touchpoints.

• Evidence of contributions to or utilization of a Design System, showcasing an understanding of design consistency and scalability.

• Demonstrations of how you've collaborated with Product and Engineering to deliver build-ready designs and iterate based on feedback and data. Process Documentation:

• Showcase examples of how you document user flows, states, and edge cases to ensure clarity for engineering teams.

• Provide insights into your process for integrating user feedback and product data into iterative design cycles.

• Illustrate your methods for defining and tracking design success metrics, linking design work to business outcomes.

• Demonstrate your approach to contributing to and maintaining design systems and standards.

📝 Enhancement Note: For a role focused on "Growth" and "low churn," the portfolio must emphasize quantifiable outcomes and process efficiency. Candidates should be prepared to present case studies that clearly articulate the problem, their design solution, the process followed, and the measurable impact on growth metrics or reduction in churn, aligning with operations' focus on ROI.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior Product Designers in London, with 5-10 years of experience and specialized skills in growth and regulated environments, a competitive day rate or annual salary would typically range from £70,000 to £100,000 per annum, or an equivalent daily rate of £350-£500. This estimate considers the "contract role" nature and the specialized skills required.

Benefits:

• Impact from Day One: Opportunity to work on meaningful projects that directly influence business stability, efficiency, and growth.

• Growth Opportunities: Potential for expanded responsibilities and influence on long-term company direction as the business scales.

• Transparent and Open Culture: Access to open decision-making processes and clear communication channels.

• Supportive, High-Calibre Team: Collaboration with talented and experienced professionals who are generous with their knowledge.

• Remote-First and Flexible Work: Focus on results over rigid hours, with trust in effective time management.

• Contract Role Structure: Typically includes a defined project scope and potentially higher hourly/daily rates commensurate with senior-level expertise.

Working Hours: 40 hours per week, with a flexible, remote-first approach that prioritizes results and effective time management over strict adherence to traditional office hours.

📝 Enhancement Note: As this is a contract role, the salary is presented as an estimated annual range for comparison, but the actual compensation would likely be structured as a daily or hourly rate. The benefits listed are derived from the "What We Offer" section and are framed to highlight value for a senior, contract professional. The "40 hours per week" is a standard assumption for full-time roles, but the "remote-first and flexible" nature allows for significant autonomy.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Technology (Fintech), specifically focused on modern investing platforms. InvestEngine aims to provide "unbeatable value, market-leading automation, and built for easy, long-term investing." This positions them in a competitive, highly regulated, and rapidly evolving market.

Company Size: InvestEngine has grown to manage over £3 billion in investments, indicating a significant level of traction and operational maturity. While the exact employee count isn't specified, the mention of scaling suggests a growing team, likely in the range of 50-250 employees, characteristic of a scale-up phase.

Founded: InvestEngine was founded with a mission to modernize investing. The company's founding principle of providing accessible, automated, and value-driven investment tools is central to its identity and likely influences its operational focus on efficiency and customer experience.

Team Structure:

• The role is within the "Growth stream," suggesting a dedicated team focused on user acquisition, engagement, and retention.

• The Senior Product Designer will work closely with Product Managers and Engineers on a day-to-day basis, indicating a cross-functional, agile team structure.

• Collaboration with the broader Design team on standards, craft, and the Design System is also a key element. Methodology:

• Data-Driven Design: Emphasis on using product and behavioral data, along with research findings, to inform design decisions. This aligns with operational metrics and ROI analysis.

• Agile Development: Implied through close collaboration with Product and Engineering, iterative development, and a focus on delivering work at pace.

• Customer-Centricity: Strong focus on "comprehension-first" and "fair treatment" for customers, especially within a regulated context.

• AI Integration: Encouragement to use AI as part of the workflow to improve efficiency and exploration.

Company Website: https://careers.investengine.com

📝 Enhancement Note: The company's focus on "market-leading automation" and "scaling" suggests that operational efficiency, process optimization, and data utilization are core to their strategy. This role is crucial in translating those operational goals into user-facing product experiences.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Individual Contributor (IC) role, operating at a contractor level. It requires a high degree of autonomy, strategic thinking, and the ability to drive complex design projects to completion with minimal supervision. The focus is on delivering "build-ready design with low churn," indicating a direct contribution to business growth metrics.

Reporting Structure: The Senior Product Designer will report into a Design Lead or Head of Design, while working daily in close collaboration with Product Managers and Engineering teams within the Growth stream. This cross-functional reporting and collaboration model is common in agile product development environments.

Operations Impact: The role has a direct impact on InvestEngine's growth objectives by optimizing user journeys, improving conversion rates, and reducing customer churn. By ensuring clear, effective, and data-informed designs, this role contributes to customer acquisition, engagement, and overall business scalability. The emphasis on regulated environments also means designs must support compliance, which is a critical operational function.

Growth Opportunities:

• Skill Specialization: Deepen expertise in growth experimentation, funnel optimization, and designing for regulated financial products.

• Influence on Design System: Contribute to the evolution and strategic direction of InvestEngine's Design System.

• Leadership Potential: While an IC role, the seniority offers opportunities to mentor junior designers (if applicable), lead design initiatives within the Growth stream, and influence product strategy.

• Impactful Project Ownership: Take ownership of high-priority, high-risk customer journeys, gaining significant experience in driving critical business outcomes.

📝 Enhancement Note: The "contract role" aspect suggests a focus on project delivery and measurable impact over long-term career pathing within the company, although the skills developed are highly transferable and valuable for future operations or product leadership roles. The emphasis on "impact from day one" and "room to grow" as the company scales is a key selling point.

🌐 Work Environment

Office Type: The role is advertised as "Remote Solely," with the primary location being London, United Kingdom. This indicates a fully remote work arrangement, offering maximum flexibility.

Office Location(s): The company is UK-based with a physical office at 47-51 Great Suffolk St, London, SE1 0BS. While the role is remote, this location might be relevant for occasional team meet-ups or company events, though not a requirement for daily work.

Workspace Context:

• Remote Collaboration: Expect to utilize digital collaboration tools extensively for communication, design reviews, and team meetings.

• Agile Team Interaction: Daily interaction with Product and Engineering teams will likely occur via video conferencing, Slack, or other project management platforms.

• Design System Access: Continuous access to the Design System and related documentation will be crucial for design consistency.

• Focus on Productivity: The remote-first, flexible approach emphasizes creating a productive home office environment and managing time effectively to meet project deadlines.

Work Schedule: While the standard is 40 hours per week, the "Remote first and flexible" nature implies that the exact daily schedule can be managed by the individual, focusing on meeting deliverables and collaborating effectively with team members across different time zones if necessary (though the primary focus is UK time).

📝 Enhancement Note: The "Remote Solely" designation is a significant factor for candidates seeking location independence. The company's emphasis on "results, not rigid hours" aligns with modern operational flexibility, allowing individuals to optimize their work environment for peak productivity.

📄 Application & Portfolio Review Process

Interview Process:

1. Introductory Call: Initial screening with the Talent team to assess basic qualifications, cultural fit, and understanding of the role.

2. Gamified Cognitive Assessment: A unique step to evaluate problem-solving skills, critical thinking, and cognitive abilities in a potentially engaging format.

3. Competency Interview: Focused on practical experience, particularly in operational risk and controls (given the regulated environment). This may include a short task or case study relevant to growth design challenges.

4. Senior Leadership Interview: Final stage to assess alignment with company culture, values, and strategic vision.

Portfolio Review Tips:

• Growth-Centric Case Studies: Select 2-3 strong case studies that clearly demonstrate your end-to-end design process for growth-related initiatives. Highlight how you used data, research, and experimentation to drive measurable improvements in conversion rates, user engagement, or retention.

• Quantifiable Impact: For each case study, clearly articulate the problem, your specific role, the design solutions implemented, and the quantifiable results achieved (e.g., % increase in conversion, % decrease in churn, improved user satisfaction scores). Use metrics and data visualization where possible.

• Process Clarity: Detail your design process, emphasizing how you collaborate with Product and Engineering, how you incorporate feedback, and how you ensure designs are "build-ready" with minimal ambiguity.

• Regulated Environment Mindset: If you have experience in regulated industries, explicitly showcase how you incorporated comprehension, fairness, and compliance into your design decisions. If not, clearly demonstrate this mindset through your approach to user understanding and ethical design.

• Design System Contribution: If applicable, show examples of your contributions to a design system or how you effectively utilized one.

Challenge Preparation:

• Cognitive Assessment: Familiarize yourself with common types of cognitive assessments (logical reasoning, pattern recognition, numerical reasoning) if possible, though the "gamified" nature may mean it's unique.

• Competency Interview Task/Case Study: Anticipate a challenge related to optimizing a user journey for growth, or designing for a specific regulated scenario. Prepare to walk through your thought process, data considerations, and design rationale. Practice articulating trade-offs between speed, quality, and risk.

• Behavioral Questions: Prepare to answer questions about your experience with stakeholder management, handling ambiguity, driving autonomy, and working in a fast-paced environment, using the STAR method (Situation, Task, Action, Result).

📝 Enhancement Note: The interview process includes a "Gamified cognitive assessment" and a "Competency interview focused on your experience in operational risk and controls," which are distinctive. Candidates should prepare for these specific elements, focusing on demonstrating analytical rigor and an understanding of risk management within design, crucial for a regulated Fintech environment.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma (highly probable, industry standard for collaborative design), Sketch, Adobe Creative Suite.

• Collaboration & Communication: Slack, Zoom, Google Workspace/Microsoft 365.

• Project Management: Jira, Asana, Trello (or similar for tracking tasks and workflows).

Analytics & Reporting:

• Product Analytics: Amplitude, Mixpanel, Google Analytics, Pendo (for understanding user behavior and funnel progression).

• A/B Testing Platforms: Optimizely, VWO, Google Optimize (for experimentation and data validation).

• Data Visualization: Tableau, Power BI, Looker (for presenting data insights, though direct use might be by analysts).

CRM & Automation:

• While not directly managed by Product Design, understanding CRM principles (e.g., Salesforce, HubSpot) and marketing automation platforms can be beneficial for understanding customer journeys and growth levers.

📝 Enhancement Note: The job description explicitly mentions using "AI as part of your workflow" and "growth experimentation," implying familiarity with tools that support these areas. While specific AI design tools aren't named, candidates should be prepared to discuss how they leverage AI for ideation, content generation, or workflow optimization. Proficiency in Figma is almost a given for modern product design roles.

👥 Team Culture & Values

Operations Values:

• Clarity: Emphasized in "strong upfront clarity" and "clear thinking." Operations professionals are expected to bring structure and clear communication to their work.

• Ownership: Highlighted by "high ownership and autonomy" and "responsibility to follow through." This means taking full accountability for design outcomes and driving projects to completion.

• Transparency: Stressed in "transparent and open culture" and "share decisions openly." Operations thrives when information is accessible and decision-making processes are clear.

• Efficiency: Implied through "market-leading automation," "deliver consistently high-quality product design work at pace," and "minimizing rework." Operations professionals are key drivers of efficiency.

• Data-Driven: Central to the role, with "use product and behavioural data... into design decisions" and "prove that designs actually work." Operations relies heavily on data for insights and performance measurement.

Collaboration Style:

• Partnership: Working "as a partner to Product and Engineering rather than a service desk." This requires proactive engagement, shared problem-solving, and mutual respect.

• Cross-functional Integration: Close daily collaboration with Product and Engineering teams is essential for seamless workflow and timely delivery.

• Design System Contribution: A collaborative approach to maintaining and evolving the Design System, encouraging shared standards and best practices.

• Evidence-Based Decision Making: A culture that values research findings and data over personal opinion, fostering constructive debate and informed choices.

📝 Enhancement Note: The emphasis on "clarity, ownership, and transparency" directly mirrors key principles of effective Revenue and Sales Operations. Candidates who can articulate how their design approach embodies these values will resonate strongly with the company's operational ethos.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Speed and Quality: The need to deliver "build-ready design with low churn" quickly in a "lean, fast-moving team" presents a constant challenge of optimizing for both speed and meticulous quality.

• Regulated Environment Complexity: Designing for financial services requires a deep understanding of compliance, customer comprehension, and fair treatment, adding layers of complexity to the design process.

• Integrating AI Effectively: Operationalizing AI in team workflows beyond personal use requires careful consideration of repeatability, legibility, and potential risks, ensuring it enhances rather than complicates the process.

• Stakeholder Alignment: Ensuring buy-in and alignment from Product, Engineering, and potentially other stakeholders on design decisions, especially when balancing competing priorities.

Learning & Development Opportunities:

• Growth Experimentation Mastery: Gain hands-on experience in designing and iterating on growth experiments and optimizing conversion funnels within a live product.

• Fintech Design Expertise: Develop specialized knowledge in designing for regulated financial products and understanding the unique user needs and constraints of this sector.

• AI in Design Practice: Learn and apply best practices for integrating AI tools into a collaborative design workflow, contributing to the team's innovation.

• Design System Evolution: Contribute to the strategic development and implementation of a growing Design System, enhancing skills in design governance and scalability.

• Impactful Project Leadership: Lead design efforts on high-priority growth initiatives, demonstrating leadership and driving significant business outcomes.

📝 Enhancement Note: The challenges presented are common in fast-paced, high-growth environments, particularly within regulated industries. The growth opportunities are geared towards developing specialized skills highly valued in operations-adjacent design roles, such as growth optimization and AI integration.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you owned an end-to-end design process for a complex product feature. What were the key challenges, how did you approach them, and what was the outcome?" (Focus on ownership, process, and results)

• "How do you ensure your designs are 'build-ready' and minimize rework for engineering teams? Provide examples of your output." (Focus on clarity, detail, and collaboration)

• "Walk me through a growth experiment you designed. How did you use data and research to inform your hypotheses and design, and how did you measure its success?" (Focus on data-driven design and growth metrics)

• "How do you approach designing for a regulated environment, particularly concerning customer comprehension and fair treatment?" (Focus on compliance, ethics, and user understanding) Company & Culture Questions:

• "What excites you about InvestEngine and our mission?" (Research company values, products, and market position)

• "How do you leverage AI in your design workflow, and how would you help operationalize it for a team?" (Focus on practical application and team integration)

• "Describe your experience working in a lean, fast-moving team. How do you maintain quality and ownership?" (Focus on agility and accountability)

• "How do you collaborate with Product and Engineering? Give an example of a successful partnership." (Focus on cross-functional teamwork) Portfolio Presentation Strategy:

• Structure for Impact: Organize your portfolio around 2-3 key case studies that best represent your end-to-end growth design experience. For each, clearly outline the problem, your role, the process, the solutions, and the quantifiable results.

• Data Visualization: Use charts and graphs to visually represent the impact of your designs on key metrics (e.g., conversion rates, churn reduction).

• Process Walkthrough: Be prepared to verbally walk through your design process for one of your case studies, highlighting collaboration points, research insights, and how you ensured designs were build-ready.

• Address Regulated Context: Explicitly mention how your designs considered customer comprehension and fairness, especially if you have relevant experience.

• AI Integration Showcase: If applicable, highlight any projects where you used AI tools to enhance your design process or outcomes.

📝 Enhancement Note: The interview process emphasizes "operational risk and controls" and "gamified cognitive assessment." Candidates should prepare to discuss their understanding of risk management in design and be ready for a potentially unconventional cognitive evaluation. The portfolio presentation should strongly emphasize quantifiable growth outcomes and a structured, data-informed process.

📌 Application Steps

To apply for this operations-aligned design position:

• Submit your application through the InvestEngine careers portal.

• Curate Your Portfolio: Select 2-3 of your strongest case studies that highlight end-to-end ownership of complex product experiences, with a clear emphasis on growth outcomes, data-driven decision-making, and experience in regulated environments. Ensure each case study quantifies the impact of your design work.

• Optimize Your Resume: Tailor your resume to highlight keywords from the job description, such as "Growth," "Product Design," "UX/UI," "User Research," "Data-driven Design," "Design Systems," "Regulated Environment," and "AI." Emphasize achievements with quantifiable results.

• Prepare Your Presentation: Practice presenting your portfolio, focusing on clearly articulating your design process, the problem you solved, your solutions, and the measurable business impact. Be ready to discuss your approach to collaboration and how you ensure designs are build-ready.

• Research InvestEngine: Understand the company's mission, product offerings, market position, and its focus on automation and scaling. Be prepared to discuss how your design philosophy aligns with their values of clarity, ownership, and transparency.

⚠️ 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.