Product Designer

Sirius
Full-timeSan Francisco, United States

📍 Job Overview

Job Title: Product Designer

Company: Sirius

Location: San Francisco, California, United States

Job Type: Full-Time

Category: Product Design / GTM Operations Enablement

Date Posted: June 03, 2026

Experience Level: Mid-Level (2-5 years)

Remote Status: On-site

🚀 Role Summary

  • This role is critical for translating complex business intelligence into intuitive and actionable user interfaces, directly impacting revenue for consumer brands.

  • You will own the end-to-end product design lifecycle, from initial research and user flows to high-fidelity UI and the strategic development of a scalable design system.

  • Close partnership with engineering and product leadership is essential, requiring collaboration on product strategy and the execution of user-centric design solutions.

  • The position demands a balance of rapid iteration within a fast-paced startup environment and meticulous attention to detail to maintain high-quality design standards.

  • This role involves working with advanced AI tools and coding languages to prototype and contribute to production-ready UI, bridging the gap between design and development.

📝 Enhancement Note: While the title is "Product Designer," the emphasis on "real revenue for real companies," "complex retention intelligence," and the need to partner on "product direction" positions this role as a key enabler within the Go-To-Market (GTM) operations, particularly in how product features are designed to support sales and customer success strategies. The requirement for TypeScript literacy and working with AI code generators highlights a need for a designer who can deeply understand and contribute to the technical underpinnings of a revenue-generating product.

📈 Primary Responsibilities

  • End-to-End Product Design Ownership: Lead all phases of the product design process, including user research, defining user flows, creating high-fidelity UI mockups, and ensuring precise design handoffs to engineering for seamless implementation.

  • Design System Development: Build and maintain a robust, scalable design system with a long-term strategic vision, ensuring consistency and efficiency across the product suite.

  • Prototyping and UI Contribution: Leverage tools like Claude Code and TypeScript to rapidly prototype new features, iterate on live UI, and contribute production-ready code for user interfaces.

  • Strategic Product Partnership: Collaborate directly with founders and product leadership on overall product direction, contributing a design-centric perspective to strategic decisions from the outset.

  • Cross-Functional Collaboration: Work closely with engineering and product teams to translate complex retention intelligence and business logic into clear, intuitive, and actionable user experiences.

  • Iterative Design & Quality Assurance: Balance the need for speed in a startup environment with a commitment to high-quality design standards, ensuring all outputs are rigorously reviewed and refined.

  • Data Visualization Design: Design clear and effective data visualizations that communicate complex retention intelligence to users, enabling them to make informed business decisions.

📝 Enhancement Note: The responsibility of "translating complex retention intelligence" directly ties this design role into revenue operations and GTM strategy by focusing on how product features empower sales, marketing, and customer success teams to understand and improve customer retention, thus driving revenue.

🎓 Skills & Qualifications

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

Experience: Minimum of 2-5 years of experience in product design, with a proven track record of shipping real-world products and learning from their performance.

Required Skills:

  • Figma Proficiency: Expert-level skills in Figma, including advanced use of components, variables, auto-layout, and prototyping features.

  • User Research & Strategy: Experience conducting user research to inform design decisions and contributing to product strategy discussions.

  • Interaction Design: Strong understanding of interaction design principles and the ability to craft intuitive user journeys.

  • UI Design: Demonstrated ability to create high-fidelity, visually appealing, and user-friendly interfaces.

  • Prototyping: Proficient in creating interactive prototypes to test and communicate design concepts.

  • Design Systems: Experience in building, maintaining, or contributing to design systems.

  • Data Visualization Design: Ability to design clear and effective visualizations for complex data sets.

  • TypeScript Literacy: Sufficient understanding of TypeScript to collaborate effectively with engineers and contribute to UI code (reading and writing capabilities).

  • AI Tool Integration: Comfort and experience using AI coding assistants like Claude Code or Codex to enhance design workflows and prototype UI.

  • San Francisco-Based: Must be located in or willing to relocate to San Francisco for full-time, on-site work.

Preferred Skills:

  • Experience working in a fast-paced startup environment.

  • Familiarity with consumer brands or B2B SaaS products.

  • Experience with A/B testing design variations.

  • Basic understanding of cloud infrastructure or AI/ML concepts.

📝 Enhancement Note: The "TypeScript Literacy" and "AI Tool Integration" requirements are significant for a design role, indicating a need for a candidate who can bridge the gap between design and development, potentially accelerating the product iteration cycle and ensuring design feasibility. This points towards a more technically adept designer, valuable in a GTM-focused product setting.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Design Thinking Process: Showcase a clear understanding of your design process, from problem definition and user research to ideation, iteration, and final solution.

  • End-to-End Project Examples: Include 2-3 comprehensive case studies demonstrating your ownership of products from concept to launch, highlighting challenges, your approach, and measurable outcomes.

  • UI/UX Showcase: Feature high-fidelity mockups and interactive prototypes that demonstrate strong visual design, interaction design, and user flow construction.

  • Design System Contribution: If applicable, include examples of your work on design systems, component libraries, or style guides, emphasizing scalability and reusability.

  • Data Visualization Examples: Showcase examples of how you've designed effective data visualizations to communicate complex information clearly.

  • Technical Collaboration: Highlight instances where you've collaborated closely with engineering and product teams, particularly where your design decisions influenced technical implementation or product strategy.

Process Documentation:

  • User Research & Testing: Detail your methodologies for user research, usability testing, and how you incorporate feedback into iterative design improvements.

  • Design Handoff Standards: Document your approach to design handoffs, ensuring clarity and completeness for engineering teams.

  • Design System Maintenance: Explain your strategy for maintaining and evolving design systems over time, including version control and documentation.

  • Prototyping Workflow: Outline your prototyping process, including the tools used and how prototypes are leveraged for testing and stakeholder alignment.

📝 Enhancement Note: For a role focused on "revenue for real companies" and "retention intelligence," portfolios should strongly emphasize how design decisions contributed to business objectives, user adoption, or improved key metrics. Showing the ability to translate complex data into actionable insights for users is paramount.

💵 Compensation & Benefits

Salary Range: The estimated base salary range for a Product Designer with 2-5 years of experience in San Francisco, California, is typically between $120,000 and $160,000 annually. This range can vary based on the candidate's specific skills, interview performance, and the company's compensation philosophy.

Benefits:

  • Flexible Healthcare: Customizable benefits spending accounts to prioritize individual and family needs.

  • Daily Lunch: Provided daily meals to support on-site employees.

  • Coffee, Tea & Snacks: On-demand beverages and snacks available throughout the workday.

  • Paid Time Off: Generous and flexible time off policy, encouraging employees to take the time they need to recharge.

  • Company Events: Regular team events and celebrations to foster camaraderie and recognize achievements.

  • Ownership Culture: Opportunities to "own what you build," reflecting a culture of responsibility and impact.

Working Hours: Standard full-time working hours are expected, typically around 40 hours per week. The company emphasizes focused intensity during work hours while valuing full lives outside of work, suggesting some flexibility may be available, but the role requires on-site presence.

📝 Enhancement Note: The salary estimate is based on industry benchmarks for Product Designers in San Francisco with 2-5 years of experience, factoring in the on-site requirement and the company's early-stage, high-growth profile. Benefits are detailed based on the provided information, with an emphasis on how they support a productive and balanced work environment.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology (AI-backed Growth for Consumer Brands)

Company Size: Early-stage startup (likely under 50 employees based on "early" and "small team" descriptions). This means high impact potential for each individual.

Founded: 2023 (implied by "a16z Speedrun-backed" which typically supports very early-stage companies).

Team Structure:

  • Lean and Agile: Expect a flat hierarchy with direct access to co-founders and leadership.

  • Cross-functional Collaboration: Design, Engineering, and Product teams work very closely together, with founders deeply involved in product strategy.

  • High-Impact Roles: Each team member is expected to make significant contributions and have a direct line of sight to business outcomes.

Methodology:

  • Data-Driven Decisions: Emphasis on measurable impact and data visualization to inform strategy and product direction.

  • Iterative Development: Fast-paced approach to product development, balancing speed with quality and long-term vision.

  • Customer-Centricity: All decisions orbit around customer success and driving their growth.

  • Long-Term Stewardship: Building for the future, focusing on sustainable growth and robust product architecture.

Company Website: https://thesirius.ai/

📝 Enhancement Note: The culture is described as having "focused intensity during it" and "full lives outside of work," indicating a high-performance environment that also respects personal time. The values of Stewardship, Trust, Customer Obsession, Excellence, and Family provide a strong ethical and operational compass for the team.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-level Product Designer (2-5 years of experience) with significant potential for growth into senior or lead design roles. The emphasis on "owning product design end to end" and "partnering on product direction" suggests a high degree of autonomy and strategic involvement.

Reporting Structure: The Product Designer will likely report directly to a Head of Product, a CTO, or one of the co-founders, given the company's early stage. This offers direct visibility and mentorship opportunities.

Operations Impact: The role's direct impact on "real revenue for real companies" through the design of "retention intelligence" makes it a critical component of the GTM strategy. Effective design here directly supports customer acquisition, retention, and expansion by making complex data accessible and actionable for users.

Growth Opportunities:

  • Design Leadership: Potential to grow into a Senior Product Designer or Lead Product Designer role, shaping the future of the design function and mentoring junior designers.

  • Product Strategy Involvement: Deepen involvement in product strategy, potentially influencing roadmap decisions and market positioning.

  • Technical Skill Development: Opportunity to enhance skills in areas like TypeScript, AI tools, and potentially front-end development through hands-on work.

  • Domain Expertise: Develop deep expertise in consumer brand growth, retention analytics, and AI-driven product solutions.

  • Startup Growth: Gain invaluable experience in scaling a technology company from its early stages, understanding all facets of business operations.

📝 Enhancement Note: The blend of design, technical literacy, and strategic product involvement offers a unique growth path for a designer looking to make a significant business impact and develop a broad skillset beyond traditional UI/UX.

🌐 Work Environment

Office Type: On-site, in-person work environment located in San Francisco. The company emphasizes proximity for faster collaboration and problem-solving.

Office Location(s): San Francisco, California. Specific office details are not provided but would be within a major tech hub.

Workspace Context:

  • Collaborative Hub: The on-site environment is designed to foster close collaboration between design, engineering, and product teams, facilitating rapid iteration and idea exchange.

  • Technology-Rich: Access to necessary design tools (Figma) and a technical environment that includes AI coding assistants and a TypeScript codebase.

  • Direct Interaction: Ample opportunities for face-to-face interaction with co-founders, product managers, and engineers, enabling direct feedback and alignment.

  • Startup Atmosphere: Expect a dynamic, fast-paced setting where open communication and shared problem-solving are encouraged.

Work Schedule: While specific hours are not detailed, the role is full-time. The company culture promotes "focused intensity during work" and "full lives outside of work," suggesting a results-oriented approach that values efficiency and effectiveness during working hours, potentially allowing for some flexibility outside of core on-site requirements.

📝 Enhancement Note: The emphasis on "in-person, in San Francisco" and "work side by side" highlights a preference for an immersive, collaborative environment conducive to rapid problem-solving, which is common in early-stage tech companies.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: Review of resume and portfolio to assess experience, skills, and cultural fit.

  • Portfolio Presentation & Discussion: A deep dive into your portfolio, focusing on specific case studies demonstrating your design process, problem-solving abilities, and impact. Be prepared to discuss your role, decisions, and outcomes in detail.

  • Technical/Design Challenge: Likely a design exercise or a problem-solving task to assess your approach to complex problems, design thinking, and potentially your technical literacy (e.g., TypeScript, AI tools).

  • Founder/Team Interviews: Meetings with co-founders and key team members to evaluate strategic thinking, collaboration style, and alignment with company values.

  • Final Round: Comprehensive evaluation covering all aspects of the role and candidate fit.

Portfolio Review Tips:

  • Highlight Impact: For each case study, clearly articulate the problem, your specific contributions, the design decisions made, and the measurable business or user outcomes (e.g., increased retention, improved efficiency, user adoption rates).

  • Showcase Process Rigor: Detail your research methods, iteration cycles, and how you incorporated feedback. Demonstrate a structured approach to design.

  • Emphasize Collaboration: Include examples of how you partnered effectively with engineering and product teams.

  • Demonstrate Technical Aptitude: If possible, include examples of how you've used code or AI tools to enhance your design workflow or prototype interfaces.

  • Simplicity in Complexity: Focus on how you simplify complex problems (like "retention intelligence") into clear, intuitive interfaces.

Challenge Preparation:

  • Understand the Product: Research Sirius and its mission to accelerate consumer brand growth. Understand the concept of "retention intelligence."

  • Design Thinking Framework: Be ready to articulate your design process using a recognized framework.

  • Problem-Solving: Practice breaking down complex, ambiguous problems into manageable steps.

  • Technical Considerations: Think about how design decisions intersect with technical feasibility, especially concerning AI and TypeScript.

  • Value Alignment: Be prepared to discuss how your approach aligns with Sirius's core values (Stewardship, Trust, Customer Obsession, Excellence, Family).

📝 Enhancement Note: Given the role's focus on revenue impact and technical collaboration, the interview process will likely scrutinize the candidate's ability to connect design work to business outcomes and their comfort level with modern development tools and AI.

🛠 Tools & Technology Stack

Primary Tools:

  • Figma: The core tool for UI design, prototyping, and component management. Fluency is a must.

  • Claude Code / Codex: AI-powered coding assistants to accelerate prototyping and UI development. Experience or willingness to learn is key.

  • TypeScript: A requirement for collaboration and potential contribution to the production codebase. Literacy is essential.

Analytics & Reporting:

  • While not explicitly mentioned, expect to work with product analytics tools (e.g., Amplitude, Mixpanel, Google Analytics) to understand user behavior and measure design impact.

  • Experience designing dashboards or data visualizations for reporting purposes will be valuable. CRM & Automation:

  • The product likely integrates with or provides insights for CRM systems or customer data platforms, given the focus on retention intelligence for consumer brands. Understanding these contexts is beneficial.

📝 Enhancement Note: The explicit mention of "Claude Code and TypeScript" is highly unusual and significant for a Product Designer role. It indicates a modern, technically integrated product development approach where designers are expected to contribute at a code level, blurring lines between design and engineering.

👥 Team Culture & Values

Operations Values:

  • Stewardship: Commitment to building for the long term, with integrity in technology, consistency in commitments, and honesty in communication. This applies to design decisions ensuring robustness and scalability.

  • Trust: Earned through reliable technology and transparent communication. Designers should aim to build trust with users through intuitive and dependable interfaces.

  • Customer Obsession: Designing solutions that directly contribute to customer success and growth. Every design choice should be evaluated against its impact on the customer's ability to win.

  • Excellence: Maintaining the highest standards in design execution, product quality, and team collaboration. The "bar is the bar" signifies a commitment to exceptional work.

  • Family: A supportive, collaborative environment where team members back each other. This translates to design critiques being constructive and supportive, fostering psychological safety.

Collaboration Style:

  • Close-Knit & Cross-Functional: Expect frequent direct interaction with engineers, product managers, and founders.

  • Iterative & Feedback-Oriented: A culture that encourages rapid iteration and values constructive feedback from all team members.

  • Intentional & Fast-Paced: Work with intention, moving quickly but thoughtfully to achieve high-quality outcomes.

  • Shared Ownership: A culture where team members feel ownership over the product and its success, contributing beyond their defined roles.

📝 Enhancement Note: The company's values are deeply integrated into their operational philosophy and likely influence how design decisions are made and how team members collaborate. Demonstrating alignment with these values will be crucial.

⚡ Challenges & Growth Opportunities

Challenges:

  • Translating Complexity: The primary challenge will be simplifying "complex retention intelligence" into intuitive and actionable user interfaces that drive real business value.

  • Balancing Speed and Quality: Navigating the demands of a fast-paced startup while maintaining high design standards and building a scalable design system.

  • Technical Integration: Effectively collaborating with engineering and leveraging AI/coding tools to bridge the gap between design and production code.

  • Early-Stage Product Evolution: Contributing to a product that is still rapidly evolving, requiring adaptability and foresight in design decisions.

  • Defining Design Processes: As an early team member, you may have the opportunity to help define and refine the design processes and best practices.

Learning & Development Opportunities:

  • Advanced Tool Proficiency: Becoming highly skilled in Figma, AI coding assistants, and TypeScript in a production environment.

  • Product Strategy Impact: Gaining significant experience in influencing product direction and strategy at a foundational level.

  • Domain Expertise: Deepening knowledge in AI-driven solutions for consumer brand growth and retention analytics.

  • Startup Scaling Experience: Learning firsthand how to build and scale a technology product and company.

  • Leadership Potential: Opportunities to grow into a design leadership role within a rapidly expanding organization.

📝 Enhancement Note: The challenges are framed as opportunities for growth, especially regarding the unique technical requirements and the strategic involvement offered in an early-stage company.

💡 Interview Preparation

Strategy Questions:

  • "Describe a time you had to translate highly complex data or a technical concept into a simple, user-friendly interface. What was your process, and what was the outcome?" (Focus on retention intelligence).

  • "How would you approach building a design system for an early-stage product that needs to scale rapidly?" (Emphasize long-term sensibility vs. sprint focus).

  • "Walk us through your process for user research and how you incorporate feedback into iterative design." (Demonstrate rigor and adaptability).

  • "Imagine you're given a new feature requirement for our retention intelligence product. How would you start, and who would you involve?" (Showcase collaboration and strategic thinking). Company & Culture Questions:

  • "How do you embody our value of 'Excellence' in your design work?"

  • "Describe a situation where you had to earn trust through your work or communication."

  • "How do you ensure your design decisions are customer-obsessed?"

  • "How do you balance focused intensity at work with maintaining a full life outside of it?" Portfolio Presentation Strategy:

  • Structure: Organize your presentation by key projects, dedicating 5-10 minutes per project. Start with the problem and business context, then detail your process, specific contributions, design solutions, and measurable results.

  • Narrative: Tell a compelling story for each project, highlighting your problem-solving approach and the impact of your design decisions on users and the business.

  • Technical Integration: Be ready to discuss how you've collaborated with engineers, and if applicable, how you've used code or AI tools in your workflow. Showcase your TypeScript literacy by explaining how you'd approach UI implementation discussions.

  • Design System Focus: If you have design system experience, clearly articulate the benefits and challenges, and how you'd approach building one with a long-term perspective.

  • Q&A Readiness: Prepare for in-depth questions about your design choices, trade-offs, and the business impact of your work.

📝 Enhancement Note: Candidates should be prepared to discuss not just aesthetic design but also the strategic, business, and technical implications of their work, given the role's unique requirements and the company's focus on revenue-generating products.

📌 Application Steps

To apply for this Product Designer position:

  • Submit your application through the provided link on Ashby.

  • Portfolio Curation: Ensure your portfolio prominently features 2-3 detailed case studies showcasing end-to-end product design, with a specific emphasis on how your designs translated complex data into actionable insights and drove business outcomes (e.g., improved retention metrics).

  • Resume Optimization: Tailor your resume to highlight experience with Figma, TypeScript literacy, AI coding tool usage, design system development, and cross-functional collaboration in fast-paced environments. Quantify achievements wherever possible.

  • Interview Preparation: Practice articulating your design process, problem-solving methodology, and how you collaborate with technical teams. Be ready to present your portfolio and discuss your approach to translating "retention intelligence" into user interfaces.

  • Company Research: Thoroughly research Sirius, its mission, co-founders, and core values. Understand their focus on accelerating consumer brand growth and the significance of "retention intelligence" in that context.

⚠️ 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

Requires a few years of product design experience with a portfolio demonstrating the ability to simplify complex problems. Must be fluent in Figma, literate in TypeScript, and based in San Francisco.