Product Designer

📍 Job Overview

Job Title: Product Designer

Company: Jigsaw Tech

Location: London, England, United Kingdom

Job Type: FULL_TIME

Category: Product Design / UX/UI

Date Posted: May 19, 2026

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Design innovative user experiences for complex data visualization and plugin suites within professional services and financial institutions.

• Drive end-to-end product design, from initial user discovery and research to final implementation and iteration, with a strong emphasis on user-centricity.

• Collaborate closely with product, engineering, and data science teams to conceptualize and deliver AI-powered features and enhance existing product capabilities.

• Contribute to the evolution and maintenance of a robust design system, ensuring consistency and scalability across Jigsaw Tech's product offerings.

📝 Enhancement Note: This role is positioned within a fast-growing Series A SaaS company targeting professional services and financial institutions. The "Product Designer" title, combined with the description of designing "end-to-end product journeys" and working on "complex, interconnected data," strongly suggests a focus on User Experience (UX) and User Interface (UI) design within a B2B SaaS context. The mention of "data ingest and API integration" and "plugin suite designing within Microsoft environments" further refines the scope to include both platform-level design and integrated tool design. The emphasis on "ownership" and "bias for action" indicates a culture valuing proactive problem-solving and autonomy.

📈 Primary Responsibilities

• Lead the design process for Jigsaw Tech's Data Viz platform and plugin suite, focusing on simplifying complex data interactions for users in legal, accounting, and consulting fields.

• Conduct comprehensive user research, including discovery interviews with target user groups (lawyers, accountants, compliance professionals), to identify pain points and unmet needs.

• Translate user needs and business requirements into intuitive and effective user interfaces and interaction flows, considering both desktop and constrained environments (e.g., Microsoft 365 plugins).

• Design and prototype AI-powered features, such as generative content, smart suggestions, and data summarization, ensuring seamless integration into user workflows.

• Collaborate closely with product managers and engineers to ensure technical feasibility and alignment of design solutions with business objectives and development timelines.

• Develop and maintain detailed user flows, wireframes, mockups, and interactive prototypes using Figma or equivalent tools, clearly articulating design rationale.

• Contribute to the expansion and refinement of Jigsaw Tech's design system, ensuring consistency in UI patterns, components, and visual language across the product ecosystem.

• Advocate for design thinking principles and user-centric approaches within a technically-focused team, bridging the gap between complex data and human-centered design.

• Design for accessibility, ensuring that interfaces are usable by individuals with diverse abilities, adhering to WCAG guidelines where applicable.

• Iterate on designs based on user feedback, A/B testing results, and performance metrics to continuously improve the user experience and product adoption.

📝 Enhancement Note: The responsibilities clearly indicate a need for a Product Designer capable of handling complex information architecture and interaction design, particularly for users in regulated industries. The emphasis on "end-to-end product journeys" and "designing within constraints" suggests a need for strategic thinking beyond just visual design. A significant portion of the role involves user research and direct client interaction, highlighting the importance of strong communication and analytical skills.

🎓 Skills & Qualifications

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

Experience: 4+ years of professional product design experience in a SaaS environment, with a demonstrated track record of delivering user-centered solutions.

Required Skills:

• Product Design & UX/UI: Proven ability to design intuitive and engaging user interfaces for complex SaaS applications.

• Figma Proficiency: Expert-level command of Figma or similar industry-standard prototyping and design tools.

• User Research & Discovery: Experience conducting user interviews, usability testing, and needs analysis to inform design decisions.

• Interaction Design: Strong understanding of interaction patterns, user flows, and information architecture for intricate data sets and constrained environments.

• Prototyping: Ability to create high-fidelity, interactive prototypes to effectively communicate design concepts and gather feedback.

• Problem-Solving: Excellent analytical and critical thinking skills to translate complex user needs and technical constraints into elegant design solutions.

• Design System Contribution: Experience contributing to or evolving design systems, understanding component-based design and pattern libraries.

• Client Presentation & Requirements Gathering: Comfort and experience in presenting design solutions to clients and stakeholders, and gathering functional requirements.

• Adaptability & Ambiguity Tolerance: Ability to thrive in an environment with evolving requirements and a need to "figure things out" with incomplete information.

• AI-Powered Feature Design: Experience designing user interactions for AI-driven features (e.g., generative content, smart suggestions, data summarization) and familiarity with LLM-driven tools.

Preferred Skills:

• Experience with data visualization techniques and tools.

• Familiarity with API-adjacent products or backend tooling UX.

• Experience designing integrations, extensions, or embedded tools within host environments (e.g., Microsoft 365).

• Exposure to legal, finance, or compliance domains, or designing for specialized industries.

• Experience in maturing or establishing design systems from the ground up.

• Understanding of accessibility standards (WCAG).

📝 Enhancement Note: The required experience level (4+ years) and the emphasis on end-to-end product ownership suggest this role is not entry-level. The specific mention of AI-powered features and LLM tools indicates a need for designers forward-thinking in emerging technologies. The distinction between required and "nice to have" skills is critical for applicants to prioritize their focus.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 detailed case studies demonstrating end-to-end product design projects, ideally within a SaaS context.

• For each case study, clearly articulate the problem statement, your role and responsibilities, the discovery and research process, design challenges, your design process and solutions, and the final outcomes or impact.

• Highlight projects that involved complex data, intricate workflows, or designing for constrained environments.

• Include examples of how you translated user needs and business goals into tangible design solutions.

Process Documentation:

• Present clear documentation of your design process, including user research methodologies, wireframing, prototyping, and iteration strategies.

• For each case study, explain the rationale behind key design decisions and how they addressed specific user or business problems.

• Illustrate instances where you collaborated with engineering and product teams, showcasing your ability to translate design into technically feasible solutions.

• Provide evidence of how you leveraged design systems or contributed to their development.

• If applicable, showcase your approach to designing AI-powered features and how you considered user trust and interaction with AI.

📝 Enhancement Note: For a Product Designer role at a SaaS company, the portfolio is paramount. It should not just be a collection of polished screens but a narrative of problem-solving and process. Case studies demonstrating an ability to handle complexity and translate user needs into actionable designs are crucial. The emphasis on "thinking, not just polished screens" means demonstrating the why behind design choices.

💵 Compensation & Benefits

Salary Range: £60,000 - £90,000 per annum

Benefits:

• Competitive Salary: Reflecting the experience level and responsibilities of the role.

• Equity/Stock Options: Potential for ownership in a rapidly growing Series A SaaS company.

• Flexible Working: Hybrid work model allowing for a balance between in-office collaboration and remote flexibility.

• Health & Wellness: Comprehensive private medical insurance, potentially including mental health support.

• Professional Development: Budget for training, conferences, and learning resources to support continuous skill enhancement.

• Generous Leave: Paid time off, including public holidays, with potential for additional discretionary days.

• Team Events & Socials: Opportunities for team building and social interaction to foster a strong company culture.

• Pension Scheme: Company contribution to a pension plan to support long-term financial planning.

Working Hours: Approximately 40 hours per week, with flexibility offered through the hybrid work arrangement. Core working hours will likely be established to facilitate team collaboration and meetings.

📝 Enhancement Note: The salary range of £60,000 - £90,000 for a Product Designer with 4+ years of experience in London is competitive and aligned with industry benchmarks for a Series A SaaS company. The inclusion of equity is a significant draw for candidates looking to join a high-growth startup. The hybrid model is standard for London-based tech roles, with specific in-office days likely to be communicated during the interview process.

🎯 Team & Company Context

🏢 Company Culture

Industry: Software / Technology (SaaS), focusing on Professional Services and Financial Institutions.

Company Size: Growth-stage Series A, likely between 50-150 employees, indicating a dynamic environment with established processes but still agile.

Founded: Founded by seasoned entrepreneurs with a successful previous exit, suggesting a culture built on experience, ambition, and a proven understanding of scaling SaaS businesses.

Team Structure:

• The Product Design team is likely a core part of the Product department, working in close collaboration with Product Management and Engineering.

• Designers are expected to have high ownership and a bias for action, working autonomously but also collaboratively within cross-functional pods or squads.

Methodology:

• Data-Driven Design: Emphasis on using user data and analytics to inform design decisions and measure impact.

• Agile Development: Likely operating within an agile framework, with rapid iteration and continuous improvement cycles.

• User-Centricity: A strong focus on understanding and solving user problems, with user feedback integrated into the design process.

• Technical Collaboration: Close partnership with engineering to ensure designs are technically feasible and robust.

Company Website: https://www.jigsawcreate.com/

📝 Enhancement Note: Jigsaw Tech's positioning as a "top quartile SaaS companies globally" at Series A suggests a high-performance culture. The founders' previous success implies a focus on execution and scalability. The specific mention of serving "lawyers, accountants and compliance professionals" means the company culture likely values precision, reliability, and domain expertise.

📈 Career & Growth Analysis

Operations Career Level: This role is for an experienced Product Designer, likely a mid-level to senior individual contributor. It offers significant autonomy and the opportunity to shape products from their early stages, particularly in new areas like the Data Viz platform's backend tooling and API UX.

Reporting Structure: The designer will likely report to a Design Lead or Head of Product, working within cross-functional product teams. This structure allows for direct impact and visibility on product initiatives.

Operations Impact: The designer will have a direct impact on how professional services and financial institutions interact with and leverage their data. Successful designs will lead to increased user adoption, efficiency gains for clients, and ultimately, revenue growth for Jigsaw Tech. The opportunity to design AI-powered features also places the designer at the forefront of product innovation.

Growth Opportunities:

• Specialization: Deepen expertise in data visualization, complex data interaction, or AI-driven product design.

• Leadership: Potential to grow into a Senior Product Designer role, mentor junior designers, or lead design initiatives for specific product areas.

• Product Strategy: Contribute to higher-level product strategy discussions as the company scales and the product matures.

• Design System Ownership: Take on greater responsibility for the development and governance of the design system.

• Cross-Functional Expertise: Develop a strong understanding of the technical and business aspects of SaaS product development.

📝 Enhancement Note: The role offers a compelling growth path for designers who excel at handling complexity and driving product ownership. The opportunity to influence product direction and work with cutting-edge AI technology at a rapidly growing company is a significant career accelerator.

🌐 Work Environment

Office Type: Hybrid work model, implying a combination of remote work and in-office collaboration at their London location.

Office Location(s): London, England, United Kingdom. Specific details about the office environment and amenities would be best confirmed directly.

Workspace Context:

• Collaborative Environment: The hybrid model suggests structured in-office days for brainstorming, team meetings, and cross-functional collaboration.

• Tools & Technology: Expect access to modern design software (Figma), collaboration tools (Slack, Jira, Confluence), and potentially advanced hardware.

• Team Interaction: Opportunities to work closely with product managers, engineers, data scientists, and other designers, fostering a dynamic and intellectually stimulating atmosphere.

Work Schedule: Standard full-time hours (approx. 40 hours/week) with expected flexibility to accommodate project deadlines and team needs. The hybrid arrangement allows for personal flexibility regarding location on non-office days.

📝 Enhancement Note: For a London-based hybrid role, candidates should expect a dynamic work environment blending remote autonomy with the benefits of in-person collaboration. The company's focus on innovation and growth suggests an energetic and forward-thinking office culture.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with a recruiter to assess basic qualifications, cultural fit, and interest in the role.

• Portfolio Presentation & Design Exercise: A session where candidates present their portfolio, discussing their process and decision-making. This may be followed by a take-home design challenge or a live, collaborative design exercise focused on a specific problem relevant to Jigsaw Tech's products.

• Technical/Product Deep Dive: Interviews with Product Managers and Engineering Leads to assess technical understanding, problem-solving skills, and collaboration capabilities.

• Founder/Hiring Manager Interview: A final conversation to discuss overall fit, vision, and strategic alignment with the company's goals.

Portfolio Review Tips:

• Tell a Story: Structure each case study as a narrative. Clearly define the problem, your approach, the challenges, your solutions, and the measurable impact.

• Show Your Process: Don't just show final screens. Include sketches, wireframes, user flows, research findings, and iteration examples to illustrate your thinking.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs (e.g., improved conversion rates, reduced user errors, increased engagement).

• Tailor to Jigsaw: Research Jigsaw Tech's products and target users. Highlight projects or skills that are most relevant to their needs (complex data, professional services users, AI features).

• Prepare for Questions: Be ready to discuss your design decisions, trade-offs you made, and how you handled feedback or technical constraints.

Challenge Preparation:

• Understand the Context: If given a take-home challenge, thoroughly research Jigsaw's products and understand the user personas (lawyers, accountants).

• Focus on Process: The evaluation will likely prioritize your problem-solving approach and design methodology over a perfectly polished final output.

• Be Realistic: Design solutions that are feasible within a SaaS context, considering technical constraints and the provided timeline.

• Practice Presentation: Be prepared to clearly articulate your thought process, design rationale, and any assumptions made during the challenge.

📝 Enhancement Note: The interview process for a design role at a growing SaaS company like Jigsaw Tech will heavily emphasize portfolio evaluation and problem-solving capabilities. Candidates should prepare to articulate their design process and demonstrate how they tackle complex challenges with a user-centric approach.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core tool for wireframing, prototyping, UI design, and collaboration. Mastery is expected.

• Prototyping Tools: Proficiency in Figma's prototyping features or similar tools (e.g., Adobe XD, Sketch with InVision) is essential.

• User Research Platforms: Tools like UserTesting.com, Lookback, or similar for remote usability testing and qualitative feedback.

• Collaboration & Project Management: Slack for communication, Jira/Confluence for task management, documentation, and workflow tracking.

Analytics & Reporting:

• Product Analytics: Familiarity with tools like Mixpanel, Amplitude, or Google Analytics to understand user behavior and measure design impact.

• Data Visualization Tools: While not a primary design tool, understanding how data is visualized or how users interact with data dashboards is beneficial.

CRM & Automation:

• CRM (e.g., Salesforce, HubSpot): Understanding how product design can impact CRM data and workflows, especially in professional services.

• Integration Tools: Awareness of how plugins and APIs facilitate integration within larger ecosystems like Microsoft 365.

📝 Enhancement Note: Proficiency in Figma is a non-negotiable requirement. Familiarity with product analytics tools is increasingly important for designers to demonstrate the impact of their work. Understanding the ecosystem of tools used by professional services (like Microsoft 365) is a significant advantage.

👥 Team Culture & Values

Operations Values:

• High Ownership: Taking responsibility for projects from conception to completion, driving them forward proactively.

• Bias for Action: A preference for doing and iterating rather than waiting for perfect clarity or approval.

• Creativity & Enthusiasm: A positive and energetic approach to problem-solving and product development.

• Humor: A lighthearted and enjoyable work environment is encouraged.

• Craftsmanship: A dedication to high-quality design and a deep appreciation for the nuances of user experience.

• Collaboration: Working effectively with cross-functional teams, valuing diverse perspectives.

Collaboration Style:

• Cross-Functional Integration: Designers are embedded within product teams, working daily with Product Managers and Engineers.

• Transparent Communication: Open dialogue and feedback are encouraged across teams.

• Iterative Design: A culture of continuous improvement, where designs are tested, iterated upon, and refined based on feedback and data.

• Shared Ownership: While individual ownership is high, there's a collective responsibility for product success.

📝 Enhancement Note: Jigsaw Tech's emphasis on "high ownership" and "bias for action" points to a culture of autonomy and proactivity. The mention of "creativity, enthusiasm, and a touch of humour" suggests a dynamic and engaging work environment, contrasting with more corporate settings.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for Complexity: Simplifying highly intricate data relationships and hierarchies into intuitive user interfaces.

• Constrained Environments: Creating effective user experiences within limited screen real estate and mid-workflow entry points (e.g., Microsoft plugins).

• User Adoption in Niche Industries: Designing for users like lawyers and accountants who may be resistant to new tools or have very specific workflows.

• Balancing Technical Feasibility with User Needs: Ensuring designs are not only user-friendly but also technically viable and align with engineering capabilities.

• Integrating AI Seamlessly: Designing AI features that genuinely add value without overwhelming or confusing the user.

Learning & Development Opportunities:

• Specialized Design Skills: Gaining deep expertise in data visualization, interaction design for complex systems, or AI product design.

• Product Strategy Input: Contributing to the strategic direction of the product roadmap based on user insights and design expertise.

• Mentorship: Opportunities to learn from experienced founders and a growing team of product professionals.

• Industry Exposure: Working with leading companies in professional services and finance, gaining insights into their operational challenges.

• Design System Evolution: Playing a key role in shaping and scaling the company's design system.

📝 Enhancement Note: The challenges presented are inherent to designing for enterprise SaaS in specialized domains. The growth opportunities are substantial, offering a chance to become an expert in complex product design and influence the strategic direction of a rapidly scaling company.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to design for a highly complex or technical user base. How did you approach understanding their needs and translating them into a design?" (Focus on your research process, user empathy, and ability to simplify complexity).

• "Walk me through a project where you designed for a constrained environment (e.g., a mobile app, a plugin, a specific UI element). What were the key challenges and how did you overcome them?" (Highlight your ability to work within limitations and find creative solutions).

Company & Culture Questions:

• "Based on your research, what do you see as the biggest design challenges for Jigsaw Tech's products?" (Demonstrate understanding of their market, users, and product offerings).

• "How do you align your design process with engineering and product management teams? Can you give an example of a time you had to compromise on a design for technical reasons?" (Showcase your collaboration skills and understanding of the product development lifecycle).

Portfolio Presentation Strategy:

• Start with the "Why": Clearly articulate the problem statement and the business/user goals for each case study.

• Show Your Thinking: Present your process, including research, ideation, wireframes, and iterations. Explain the rationale behind your decisions.

• Highlight Impact: Quantify results where possible. If direct metrics aren't available, discuss the intended impact and how you would measure it.

• Be Concise: Focus on the most impactful aspects of each project. Aim for clarity and brevity.

• Practice Delivery: Rehearse your presentation to ensure a smooth flow and confident delivery. Be prepared for questions on any part of your work.

📝 Enhancement Note: Interview preparation should focus on demonstrating a deep understanding of the design process, strong problem-solving skills, and the ability to collaborate effectively within a technical, fast-paced environment. Highlighting experience with complex data, B2B SaaS, and AI features will be critical.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link via Ashby.

• Portfolio Customization: Tailor your portfolio to highlight projects most relevant to Jigsaw Tech's focus on complex data visualization, professional services users, and AI integration. Emphasize case studies that showcase your end-to-end design process and problem-solving skills.

• Resume Optimization: Ensure your resume clearly articulates your experience in SaaS product design, your proficiency with Figma, and any experience with AI features or complex data. Quantify your achievements with specific metrics where possible.

• Interview Preparation: Thoroughly research Jigsaw Tech, their products, and their target market. Prepare to discuss your portfolio in detail, articulate your design process, and answer behavioral questions related to ownership, collaboration, and problem-solving.

• Company Research: Understand Jigsaw Tech's mission, values, and growth trajectory. Be prepared to discuss why you are specifically interested in their work and how your skills align with their culture and challenges.

⚠️ 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.