Junior Product Designer

Quantum
Full-time
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πŸ“ Job Overview

Job Title: Junior Product Designer

Company: Quantum

Location: London, England, United Kingdom

Job Type: FULL_TIME

Category: Product Design / UX/UI

Date Posted: 2026-09-25

Experience Level: 0-2 Years

Remote Status: Hybrid

πŸš€ Role Summary

  • Design and iterate on user-facing product elements within a fast-paced, data-driven environment, focusing on driving user action and conversion.

  • Collaborate closely with cross-functional teams, including Conversion Rate Optimization (CRO), creative, and development, to translate hypotheses into testable designs and launch experiments rapidly.

  • Contribute to the development and maintenance of a scalable design system, leveraging Figma and its advanced features to accelerate new test and brand launches.

  • Engage in qualitative research activities, such as usability testing and review of user session recordings, to inform and refine experimentation hypotheses and design strategies.

  • Support the integration and design needs of newly acquired rewards brands into the existing experimentation program, ensuring brand consistency and effective user experiences.

πŸ“ Enhancement Note: This role is positioned within a "Digital Experience team" at Quantum, a company focused on performance marketing and affiliate services. The Junior Product Designer will specifically support their experimentation program, aiming to optimize conversion rates through A/B testing and rapid design iteration. This implies a strong focus on measurable design outcomes and a data-informed design process.

πŸ“ˆ Primary Responsibilities

  • Design and deliver test variants for landing pages, forms, offer pages, and comparison tables, translating CRO hypotheses into developer-ready design files.

  • Collaborate with CRO specialists, creative teams, and developers to facilitate quick experiment launches and effectively interpret performance results.

  • Build, maintain, and evolve reusable components within the Figma design system to enhance the speed and efficiency of deploying new tests and integrating new brands.

  • Provide design support for newly acquired rewards brands, integrating them into the company's experimentation framework and ensuring a cohesive user experience.

  • Participate in qualitative research initiatives, including conducting usability sessions and analyzing user session recordings, to generate insights that shape stronger hypotheses for A/B testing.

  • Contribute to the continuous improvement of design processes and workflows within the Digital Experience team, ensuring efficiency and high-quality output.

  • Maintain clear and organized design documentation, ensuring all design decisions are well-justified and easily understood by stakeholders.

πŸ“ Enhancement Note: The core of this role revolves around rapid prototyping and iteration for conversion rate optimization (CRO) initiatives. Responsibilities emphasize speed to market for experiments, direct collaboration with performance marketing functions, and the application of design system principles for scalability. The inclusion of qualitative research suggests a holistic approach to understanding user behavior beyond just quantitative A/B test results.

πŸŽ“ Skills & Qualifications

Education: While no specific degree is mandated, a strong understanding of design principles, user-centered design methodologies, and UX/UI best practices is expected. Equivalent practical experience or relevant certifications will be highly regarded.

Experience: 0-2 years of experience in product design, UX/UI design, or a closely related field, with a demonstrable ability to translate concepts into actionable designs. Experience in a professional setting, through internships, freelance work, or a first role, is essential.

Required Skills:

  • Portfolio: A compelling portfolio showcasing design work that effectively drives user action and conversion, demonstrating problem-solving skills and design thinking.

  • Figma Proficiency: Advanced skills in Figma, including the creation and management of components, auto layout, and collaborative design workflows.

  • Conversion Curiosity: A genuine interest in understanding conversion rate optimization principles and the ability to design with measurable outcomes in mind.

  • Agile Design: Ability to quickly translate briefs and feedback into clean, considered, and actionable designs.

  • Team Collaboration: Proven ability to work effectively as part of a cross-functional team, contributing to a positive and productive team dynamic.

  • Communication: Excellent written and verbal English communication skills for clear articulation of design ideas and collaboration with diverse teams.

Preferred Skills:

  • Experience in performance marketing, affiliate marketing, or lead generation environments.

  • Familiarity with A/B testing methodologies and interpreting experiment results.

  • Experience with design systems and their implementation in a professional context.

  • Basic understanding of qualitative research methods such as usability testing.

  • Familiarity with web development concepts (HTML/CSS) to facilitate smoother handoffs.

πŸ“ Enhancement Note: The emphasis on a portfolio that "shows how you design to get people to take action" and "curiosity about conversion" strongly suggests that candidates will be evaluated on their ability to deliver measurable business results through design, rather than purely aesthetic or conceptual design work. The "no ego" requirement points to a collaborative culture that values constructive feedback and team success.

πŸ“Š Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Action-Oriented Designs: Showcase projects where your design decisions directly led to increased user engagement, form submissions, or other conversion events.

  • Problem/Solution Framework: Clearly articulate the business problem or CRO hypothesis addressed by each project and how your design solution effectively tackled it.

  • Figma Demonstrations: Include examples that highlight your proficiency in Figma, specifically demonstrating the use of components, auto layout, and design system integration.

  • Iterative Design Process: Present case studies that illustrate your iterative design process, including how you incorporated feedback, analyzed results, and refined designs.

  • Measurable Impact: Quantify the impact of your designs whenever possible, using metrics related to conversion rates, click-through rates, or user completion rates.

Process Documentation:

  • Candidates are expected to be able to articulate their design process clearly, from understanding a brief and hypothesis to delivering final, developer-ready assets.

  • The ability to document design decisions, component usage, and adherence to design system guidelines will be important for maintaining consistency and scalability.

  • Understanding how to hand off designs to developers efficiently, ensuring clarity on interactive states and responsive behavior, is crucial.

πŸ“ Enhancement Note: The portfolio is paramount for this role. It needs to go beyond showcasing aesthetic appeal and demonstrate a candidate's ability to contribute directly to performance marketing goals. The focus on "conversion ideas into designs we can test" and "build the patterns that let us test faster" highlights the need for portfolio pieces that reflect an understanding of the experimentation lifecycle and design system efficiency.

πŸ’΅ Compensation & Benefits

Salary Range: Based on industry benchmarks for Junior Product Designers in London with 0-2 years of experience, the competitive base salary is estimated to be between Β£30,000 and Β£45,000 annually. This range reflects the junior level and the specific demands of a performance-focused design role.

Benefits:

  • Private Health Care (Bupa)

  • Hybrid Working Model (3 days in office, 2 days remote)

  • Travel Insurance

  • Company Bonus Scheme

  • Paid AI Subscription (e.g., Claude, ChatGPT, Gemini)

  • Market-Leading Training Programme

  • Recognition & Reward Scheme

  • Annual Company Conference

  • Regular Happy Hours & Team Lunches

  • Free Coffee, Drinks & Snacks

Working Hours: Standard full-time working hours are expected, typically around 40 hours per week. The hybrid model offers flexibility in how and where these hours are fulfilled, with a requirement to be in the London office for three days a week.

πŸ“ Enhancement Note: The "Competitive Base Salary" is explicitly mentioned, suggesting it will be attractive within the market. The inclusion of paid AI subscriptions is a unique and forward-thinking benefit, indicating the company's investment in cutting-edge tools. The hybrid model with specified office days is a key aspect of the work arrangement.

🎯 Team & Company Context

🏒 Company Culture

Industry: Quantum operates within the Digital Marketing and Technology sectors, specializing in data-driven affiliate marketing, performance marketing, and lead generation. They leverage in-house technology and analytics to drive growth for global brands, particularly in regulated and high-growth sectors.

Company Size: Quantum is a growing company, likely falling into the small to medium-sized business (SMB) category, or a rapidly scaling startup. This implies a dynamic, agile environment where individual contributions have a significant impact.

Founded: Founded with a mission to "turn intent into action and complexity into clarity," Quantum has established itself by focusing on measurable results and performance from day one. Their history is rooted in building performance marketing solutions for ambitious brands.

Team Structure:

  • The Junior Product Designer will join the "Digital Experience team," which is expanding. This team likely works closely with CRO, Creative, and Development departments.

  • The reporting structure for a junior role would typically be to a Senior Product Designer, UX Lead, or Head of Digital Experience.

  • Cross-functional collaboration is a cornerstone of the role, involving frequent interaction with marketing strategists, data analysts, and engineers to conceptualize, design, test, and deploy experiments. Methodology:

  • Data-Driven Experimentation: The core methodology involves using data analytics to inform CRO hypotheses, design test variants, and measure the impact of experiments.

  • Agile Design & Development: A fast-paced approach to design and development, prioritizing rapid iteration, quick experiment launches, and continuous learning from results.

  • Design System Utilization: Leveraging a design system for consistency, efficiency, and scalability in creating new test variations and supporting multiple brands.

Company Website: https://www.quantum.media

πŸ“ Enhancement Note: Quantum's focus on "performance from day one" and "data-driven affiliate marketing" sets the stage for a results-oriented culture. The "Digital Experience team" is a key unit focused on optimizing conversion through design and experimentation. The company's growth and acquisition of new brands suggest an exciting, evolving environment.

πŸ“ˆ Career & Growth Analysis

Operations Career Level: This role is firmly at the "Junior" or "Entry-Level" stage (0-2 years of experience) within the Product Design and CRO domain. It's designed for individuals looking to build foundational skills in a practical, high-impact setting. The focus is on learning by doing, under guidance, and contributing to tangible business outcomes.

Reporting Structure: The Junior Product Designer will likely report to a Senior Product Designer or a Manager overseeing the Digital Experience or CRO function. This provides a clear line of mentorship and feedback.

Operations Impact: The role has a direct impact on Quantum's core business model: driving growth through data-driven affiliate marketing. By designing experiments that increase conversion rates, the Junior Product Designer directly contributes to increased revenue for Quantum and its brand partners. Their work is measurable and tied to business performance.

Growth Opportunities:

  • Skill Specialization: Opportunity to deepen expertise in Conversion Rate Optimization (CRO), User Experience (UX) design, User Interface (UI) design, and A/B testing methodologies.

  • Design System Mastery: Become an expert in contributing to and leveraging advanced design systems, a highly valuable skill in the industry.

  • Cross-Functional Exposure: Gain invaluable experience working alongside CRO specialists, data analysts, creative teams, and developers, understanding the full lifecycle of performance marketing campaigns.

  • Mentorship & Advancement: Potential to advance to a Mid-Level Product Designer role, Senior Product Designer, or specialize further in areas like UX Research or CRO Strategy, with clear pathways and training support.

  • Industry Knowledge: Develop a strong understanding of performance marketing, affiliate marketing, and lead generation strategies within diverse and regulated industries.

πŸ“ Enhancement Note: The growth path is clearly defined by the company's investment in a "Market-Leading Training Programme." For a junior role, the ability to learn and grow is paramount, and Quantum seems to emphasize this through structured development and exposure to a high-performance environment.

🌐 Work Environment

Office Type: Quantum offers a Hybrid Working model, requiring 3 days per week in their London office. This suggests a blend of focused individual work at home and collaborative, team-oriented work in the office.

Office Location(s): The office is located in London, England, United Kingdom. Specific details on accessibility or amenities would typically be provided during the interview process.

Workspace Context:

  • Collaborative Hub: The London office likely serves as a central hub for team collaboration, brainstorming sessions, and cross-functional meetings, fostering a dynamic exchange of ideas.

  • Tech-Enabled Environment: Expect access to modern design tools, collaboration software, and potentially high-performance computing resources necessary for design work and analysis.

  • Team Interaction: The 3-day in-office requirement facilitates regular face-to-face interaction with colleagues in the Digital Experience team and other departments, promoting strong working relationships and knowledge sharing.

Work Schedule: The role operates on a standard full-time schedule, approximately 40 hours per week. The hybrid arrangement provides flexibility in managing personal time and work, while ensuring core collaboration hours are met.

πŸ“ Enhancement Note: The hybrid model is a key feature, balancing the benefits of remote work with the advantages of in-person collaboration. For a junior designer, this structured hybrid approach can be ideal for mentorship and team integration.

πŸ“„ Application & Portfolio Review Process

Interview Process:

  • Initial Application: Submit resume and, crucially, a portfolio link that showcases relevant design work.

  • Portfolio Review: The hiring team will review portfolios for evidence of conversion-focused design, Figma proficiency, and a clear design process.

  • Screening Call: A brief call with a recruiter or hiring manager to discuss experience, motivations, and cultural fit.

  • Design Challenge/Exercise: Candidates may be asked to complete a practical design task or a take-home exercise related to a hypothetical CRO scenario. This assesses problem-solving skills and design execution under constraints.

  • Team Interviews: Interviews with members of the Digital Experience team (e.g., Senior Designers, CRO Specialists) to evaluate technical skills, collaborative approach, and understanding of performance marketing principles.

  • Final Interview: Potentially with a senior leader to assess overall fit, strategic thinking, and long-term potential.

Portfolio Review Tips:

  • Highlight Conversion Impact: For each project, clearly state the objective (e.g., increase sign-ups, reduce bounce rate) and present the design solutions that achieved it. Use quantifiable metrics wherever possible.

  • Showcase Figma Skills: Include examples that specifically demonstrate your use of components, auto layout, and prototyping features in Figma. Explain how these features aided your workflow or the final product.

  • Articulate Your Process: For each case study, walk through your thought process: understanding the brief, research, ideation, design, testing, and iteration. Explain the "why" behind your design decisions.

  • Tailor to Quantum: Research Quantum's business model and their focus on performance marketing. Demonstrate how your design approach aligns with their goal of driving action and conversion.

  • Keep it Concise: Focus on 2-4 strong projects that best represent your skills for this specific role. Ensure clear navigation and a professional presentation.

Challenge Preparation:

  • Understand CRO Fundamentals: Familiarize yourself with common CRO strategies, A/B testing principles, and key metrics (e.g., conversion rate, bounce rate, CTR).

  • Practice Figma Speed: Be ready to quickly create mockups or prototypes in Figma, demonstrating efficiency and proficiency.

  • Structure Your Problem-Solving: For any hypothetical problem, clearly define the user/business goal, identify potential issues, propose design solutions, and outline how you would test them.

  • Focus on Action: Ensure your proposed solutions are geared towards driving user action and measurable results, aligning with Quantum's business objectives.

πŸ“ Enhancement Note: The interview process emphasizes a practical demonstration of skills, particularly through the portfolio and potential design challenges. Candidates should prepare to discuss their design process in terms of measurable outcomes and their ability to contribute to a performance-driven marketing environment.

πŸ›  Tools & Technology Stack

Primary Tools:

  • Figma: The core design tool for creating wireframes, mockups, prototypes, and managing the design system. Proficiency in its advanced features like components, auto layout, and collaborative editing is essential.

  • Design System Software: While Figma is the primary tool, understanding principles of design system management and potential integration with other platforms is beneficial.

Analytics & Reporting:

  • CRO Tools: Familiarity with tools used for A/B testing and conversion rate optimization (e.g., Google Optimize, Optimizely, VWO) would be advantageous for understanding experiment parameters and interpreting results.

  • Analytics Platforms: Basic understanding of web analytics tools like Google Analytics to comprehend user behavior data and performance metrics.

CRM & Automation:

  • Project Management Tools: Experience with tools like Jira, Asana, or Trello for managing design tasks, sprints, and collaborating with development teams.

  • Collaboration Platforms: Proficiency in communication tools such as Slack or Microsoft Teams for day-to-day team interactions.

πŸ“ Enhancement Note: The tech stack heavily features Figma. While direct experience with specific CRO or analytics platforms isn't explicitly required, a candidate's ability to understand and work with data-driven insights derived from these tools is crucial for success in this role.

πŸ‘₯ Team Culture & Values

Operations Values:

  • Data-Driven: Decisions are informed by data and measurable results. Design work is expected to contribute to quantifiable improvements in conversion rates.

  • Agile & Iterative: A culture that embraces rapid experimentation, learning from failures, and continuously improving designs based on performance feedback.

  • Collaborative: Strong emphasis on teamwork and cross-functional partnership. The "no ego" principle highlights a culture that values collective success over individual recognition.

  • Performance-Oriented: A focus on delivering tangible business outcomes and driving growth for clients and the company.

  • Curiosity & Learning: An environment that encourages asking "why," seeking to understand user behavior, and continuously developing skills, supported by training programs.

Collaboration Style:

  • Cross-Functional Integration: Designers work closely with CRO specialists, creative teams, developers, and potentially marketing strategists, requiring strong communication and shared understanding.

  • Feedback-Rich Environment: Openness to constructive criticism and feedback is essential, as designs are iterated upon based on test results and team input.

  • Shared Ownership: While designers own the visual execution, there's an implicit shared ownership of the experimentation process and its success metrics across teams.

πŸ“ Enhancement Note: The company values are deeply intertwined with its performance marketing model. Expect a culture that is fast-paced, results-driven, and highly collaborative, with a strong emphasis on continuous learning and data-informed decision-making.

⚑ Challenges & Growth Opportunities

Challenges:

  • Rapid Iteration Demands: The need to quickly design and deliver multiple test variants for experiments in a fast-paced environment can be demanding.

  • Balancing Speed and Quality: Maintaining high design quality and user experience standards while adhering to tight deadlines for experiment launches.

  • Interpreting Complex Data: Translating performance data and CRO insights into actionable design improvements requires analytical thinking.

  • Adapting to New Brands: Integrating diverse brand identities and user bases into the existing experimentation framework for newly acquired companies.

Learning & Development Opportunities:

  • CRO Specialization: Deepen expertise in conversion rate optimization strategies and A/B testing techniques through hands-on experience and company training.

  • Design System Expertise: Become highly proficient in building and maintaining scalable design systems, a key asset for modern design teams.

  • Performance Marketing Insights: Gain a comprehensive understanding of how design impacts key performance marketing metrics and business growth.

  • Industry Conferences & Training: Access to market-leading training programmes and potentially opportunities to attend industry events for continuous professional development.

πŸ“ Enhancement Note: The challenges presented are typical of a performance-focused design role in a growing company. The growth opportunities are substantial, offering a clear path for skill development and career progression within the specialized field of performance marketing design.

πŸ’‘ Interview Preparation

Strategy Questions:

  • "Describe a time you designed something specifically to drive user action or conversion. What was the goal, your approach, and the outcome?" (Focus on your portfolio examples where you can quantify impact.)

  • "How would you approach designing a new landing page variant for a client looking to increase sign-ups by 15%?" (Discuss your process, potential elements, and how you'd define success.)

  • "Imagine a CRO test shows that a new design performed worse than the control. What steps would you take next?" (Emphasize learning from data, iterating, and collaborating with the CRO team.) Company & Culture Questions:

  • "Why are you interested in performance marketing and conversion rate optimization?" (Connect your passion for design to measurable business results.)

  • "How do you handle constructive criticism or feedback on your designs?" (Highlight your 'no ego' approach and focus on team success.)

  • "What excites you about Quantum's mission and our approach to affiliate marketing?" (Show you've researched the company and understand its business model.) Portfolio Presentation Strategy:

  • Storytelling: For each project, frame it as a narrative: the challenge, your role, your process, the solution, and the results.

  • Quantify Everything Possible: For each project, highlight the metrics you influenced or achieved. If exact numbers aren't available, describe the intended impact clearly.

  • Demonstrate Figma Proficiency: Be ready to briefly walk through a Figma file to show your use of components, auto layout, and collaborative features.

  • Focus on Process: Explain the "why" behind your design decisions, not just the "what." Show how you translated hypotheses into designs and learned from outcomes.

πŸ“ Enhancement Note: Preparation should heavily focus on demonstrating a data-driven mindset and an understanding of how design directly contributes to business objectives. The portfolio is the primary tool for showcasing this, so candidates must be ready to articulate its contents in detail.

πŸ“Œ Application Steps

To apply for this operations position:

  • Submit your application through the provided link on Ashby, ensuring your resume and a direct link to your online portfolio are included.

  • Portfolio Customization: Curate your portfolio to prominently feature 2-4 projects that best demonstrate your ability to design for conversion and action. Highlight your Figma skills and your iterative design process.

  • Resume Optimization: Tailor your resume to emphasize skills and experiences relevant to product design, CRO, and performance marketing. Use keywords from the job description and quantify achievements where possible.

  • Interview Preparation: Practice articulating your design process and the impact of your work. Be ready to discuss your understanding of CRO principles and your experience with Figma during potential screening calls or interviews.

  • Company Research: Familiarize yourself with Quantum's website (quantum.media), their mission, and their focus on performance marketing. Understand how their business model relies on data-driven experimentation and design optimization.

⚠️ 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

Applicants should have a portfolio demonstrating design work intended to encourage user action and confidence using Figma, including components and auto layout. They should be curious about conversion, able to respond quickly to briefs and feedback, work well in a fast-paced team, and have excellent written and spoken English; performance marketing, affiliate, or lead-generation experience is a bonus.