Senior Product Designer, Growth Experiences

📍 Job Overview

Job Title: Senior Product Designer, Growth Experiences

Company: Stash

Location: New York, New York, United States

Job Type: Full-time

Category: Product Design (Growth Experiences)

Date Posted: September 16, 2026

Experience Level: 5+ years

Remote Status: Hybrid

🚀 Role Summary

• Lead the design of Stash’s in-product growth loops, focusing on features that drive sustainable, organic user acquisition and engagement.

• Develop share-worthy experiences, social investing tools, and creative mechanisms to inspire new investors.

• Advocate for behavioral design solutions that prioritize customer well-being and encourage healthy financial habits.

• Collaborate closely with Product, Engineering, Data, and Marketing to translate insights into impactful user experiences.

• Contribute to the company's culture, ethos, and pursuit of continuous growth through design excellence.

📝 Enhancement Note: This role is specifically focused on "Growth Experiences," indicating a strong emphasis on user acquisition, retention, and engagement through product design. The emphasis on behavioral design, empathy, and psychology highlights the need for a designer who understands user motivation and can build trust, particularly with first-time investors. The hybrid work model necessitates on-site presence for collaboration.

📈 Primary Responsibilities

• Own UX/UI design for Stash’s growth loops, including in-product referrals, celebratory milestones, shareable achievements, and engagement incentives.

• Design cohesive, elegant end-to-end user experiences that inspire organic growth through community, self-expression, and user success stories.

• Apply a strong visual point of view to growth experiences, utilizing composition, hierarchy, motion, and brand to clearly communicate progress and make shareable moments impactful.

• Partner with Product Managers, Engineers, Data Analysts, and Marketing teams to uncover insights and translate them into intuitive and effective user experiences.

• Contribute to the Stash design system, design critique culture, and strategic roadmap to elevate the overall craft and quality of product design.

• Influence product direction within the growth vertical and contribute to the long-term vision for user-led growth, balancing performance metrics with seamless user experience.

• Explore and integrate thoughtfully and ethically designed AI experiences, staying informed on emerging patterns in AI interaction design.

📝 Enhancement Note: The responsibilities emphasize end-to-end ownership of growth-related features, requiring a designer to not only create interfaces but also understand the underlying behavioral psychology and business objectives. The role demands a blend of strategic thinking, visual design expertise, and collaborative execution to drive measurable growth outcomes.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a strong portfolio and demonstrable experience in product design are paramount. A background in design, human-computer interaction, psychology, or a related field would be beneficial.

Experience: 5+ years of product design experience, with a proven track record of delivering high-impact consumer experiences, ideally in mobile-first or B2C environments.

Required Skills:

• Strategic thinking and problem-solving abilities for complex product challenges.

• Exceptional visual design skills, including composition, hierarchy, typography, and motion design.

• Deep understanding of user psychology and behavioral design principles to motivate user actions.

• Proficiency in designing for mobile-first or B2C digital products.

• Experience designing within and contributing to existing design systems.

• Strong collaboration and communication skills, with high emotional intelligence (EQ).

• Ability to lead through influence and effectively communicate design thinking to cross-functional partners.

• Comfort with ambiguity and iterative design processes, focusing on learning outcomes.

• Experience translating data insights into actionable design solutions. Preferred Skills:

• Experience building in-product growth features such as referrals, gamified milestones, or community-driven tools.

• A portfolio showcasing visual craft and storytelling, with examples of shareable artifacts or branded moments that drove engagement.

• Background in Fintech, Edtech, or Healthtech, particularly in behavioral change and engagement design.

• Experience in small to mid-size startups or high-growth company environments.

• Experience participating in and contributing to user research study design and facilitation.

📝 Enhancement Note: The requirements highlight a need for a designer who is not just skilled in execution but also in strategy and influence. The emphasis on a "behavior-aware problem solver" and "visual storyteller" points towards a candidate who can connect emotionally with users and drive growth through compelling design. The preference for specific industry backgrounds suggests a desire for domain expertise.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate a strong track record of delivering high-impact consumer experiences, with a focus on mobile-first or B2C products.

• Showcase visual craft and storytelling capabilities, including examples of shareable artifacts, branded moments, or designs that demonstrably drove attention or engagement.

• Present case studies that highlight strategic thinking, problem-solving, and the measurable results of your design decisions.

• Illustrate experience designing within and contributing to existing design systems, demonstrating an understanding of scalability and consistency.

• Include examples of how you’ve translated complex product ideas into clear, distinctive, and emotionally resonant interfaces. Process Documentation:

• Showcase your process for identifying user needs and translating them into design solutions for growth loops (e.g., referrals, engagement incentives).

• Detail your approach to behavioral design, explaining how you’ve used psychology and user motivation to drive desired actions.

• Provide examples of how you've collaborated with Product, Engineering, Data, and Marketing teams throughout the design lifecycle.

• Demonstrate your ability to balance performance metrics with seamless user experience in your design iterations.

📝 Enhancement Note: The portfolio requirements are heavily geared towards demonstrating tangible impact and strategic thinking, particularly in the context of growth and engagement. Candidates are expected to showcase not just aesthetic skills but also their ability to influence product direction and drive measurable business outcomes through design.

💵 Compensation & Benefits

Salary Range: $170,000 – $195,000 USD per year.

Benefits:

• Comprehensive total rewards package, including competitive salary and equity.

• Health care benefits.

• Complimentary subscription to Stash+ account.

• Hybrid Work Policy: Prioritizes in-office collaboration three days per week while offering flexibility.

• Flexible Paid Time Off (PTO).

• Work-from-home equipment stipends.

• Home internet subsidy.

• Paid Parental Leave (Primary & Secondary for birth giving and non-birth giving parents).

• Enhanced health and wellness benefits through One Medical, Gympass, and Maven Health.

Working Hours: The job description implies a standard full-time work week, likely around 40 hours, with flexibility offered through the hybrid model and PTO. Specific daily hours are not detailed but will align with team collaboration needs.

📝 Enhancement Note: The salary range provided is specific and aligns with senior-level product design roles in a high-cost-of-living area like New York City. The benefits package is comprehensive, reflecting a commitment to employee well-being and work-life balance, with unique offerings like a Stash+ subscription and home office subsidies. The hybrid model is clearly defined with an expectation of three days in the office.

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech (Financial Technology)

Company Size: Stash is a growing fintech company, indicated by its multiple external recognitions and venture-backed status. While exact employee count isn't provided, its listed specialties and numerous awards suggest a significant, established presence in the market, likely in the mid-to-large range for a tech company.

Founded: Stash was founded with the mission to democratize wealth creation, aiming to make investing accessible and understandable for everyday Americans. This founding principle likely informs its culture, emphasizing education, customer well-being, and financial empowerment.

Team Structure:

• The Senior Product Designer will report to the Director of Product Design, indicating a structured design leadership.

• The role requires close collaboration with Product Managers, Engineers, Data Analysts, and Marketing teams, suggesting a cross-functional, agile team environment.

• The emphasis on contributing to Stash’s "work culture, ethos, and relentless pursuit of incremental and continuous growth" points to a culture that values proactivity, collaboration, and a shared commitment to business objectives. Methodology:

• Data-driven design: Insights from data are crucial for informing design decisions and measuring impact.

• Behavioral design: A core methodology to understand and influence user motivation and habits, especially for new investors.

• Iterative development: The role involves balancing ambiguity with thoughtfully scoped iterations, focusing on learning outcomes.

• Design critique culture: Encourages continuous improvement and elevation of design quality through peer feedback.

Company Website: www.stash.com

📝 Enhancement Note: Stash operates in the competitive fintech space, aiming to disrupt traditional investing. Its culture likely blends a mission-driven passion for financial inclusion with the fast-paced, innovative environment of a growing tech company. The emphasis on collaboration and data-driven decision-making is key for operations-oriented roles.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, signifying a mid-to-senior level position within the design function. It requires a high degree of autonomy, strategic input, and ownership over significant product areas ("growth loops"). The role is expected to mentor or influence less experienced designers and contribute to the overall design strategy and systems.

Reporting Structure: The role reports to the Director of Product Design. This structure suggests a clear path for design leadership and mentorship, with opportunities to learn from experienced design leadership.

Operations Impact: The Senior Product Designer will have a direct impact on Stash's core business objectives: user acquisition, engagement, and retention. By designing effective growth loops, this role will directly contribute to the company's revenue growth and market expansion, influencing customer lifetime value and overall business performance.

Growth Opportunities:

• Skill Advancement: Deepen expertise in behavioral design, growth hacking through product, and AI interaction design. Opportunity to contribute to and shape Stash's design system.

• Leadership Potential: Develop leadership skills through influencing cross-functional teams, potentially mentoring junior designers, and contributing to strategic product roadmaps.

• Career Progression: Potential to move into Lead Product Designer roles, Product Design Management, or specialized senior roles focusing on specific product areas or growth strategies within Stash.

📝 Enhancement Note: This role offers significant growth potential for a designer passionate about user behavior and business impact in the fintech sector. The senior title implies a blend of individual contribution and strategic influence, with clear opportunities for both skill development and career advancement within a mission-driven company.

🌐 Work Environment

Office Type: Hybrid work environment in New York City. This means a blend of in-office collaboration and remote flexibility.

Office Location(s): New York, New York. Specific office address details are not provided but would be available during the interview process.

Workspace Context:

• Collaborative Environment: The hybrid model, requiring at least three days in the office, is designed to foster team collaboration, innovation, and strengthen company culture. Expect to work closely with product, engineering, and data teams in shared spaces.

• Tools & Technology: While not explicitly listed in this section, it's implied that Stash provides the necessary tools and technology for designers to be effective, including access to design software and potentially design system libraries.

• Team Interaction: The emphasis on "fostering team collaboration" suggests an environment where designers are encouraged to interact, share ideas, and participate in design critiques and brainstorming sessions.

Work Schedule: The role is full-time, with a hybrid arrangement requiring a minimum of three days per week in the New York office. This structure allows for focused individual work at home and collaborative work in the office.

📝 Enhancement Note: The hybrid model at Stash is structured to balance flexibility with in-person collaboration, crucial for design roles that benefit from spontaneous brainstorming and team synergy. This environment is ideal for designers who thrive in both independent work and active team engagement.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review applications and portfolios. Be prepared to clearly articulate your experience and why you're a good fit for Stash and this specific role.

• Portfolio Review & Design Challenge: Candidates will likely be asked to present their portfolio, highlighting relevant projects that showcase their skills in growth loops, behavioral design, and visual storytelling. A design challenge or case study may be assigned to assess problem-solving abilities and design thinking in a practical context.

• Cross-functional Interviews: Expect interviews with Product Managers, Engineers, Data Analysts, and potentially other designers. These interviews will assess your collaboration skills, ability to communicate design rationale, and understanding of technical and business constraints.

• Leadership Interview: An interview with the Director of Product Design or other senior leadership to assess strategic thinking, cultural fit, and long-term potential.

Portfolio Review Tips:

• Focus on Impact: Clearly articulate the problem you solved, your role, your process, and the measurable results (e.g., increased engagement, user acquisition, conversion rates). Use data to support your claims.

• Showcase Growth & Behavioral Design: Highlight projects specifically related to growth loops, user acquisition, engagement, retention, or behavioral change. Explain the psychological principles or behavioral economics concepts you applied.

• Visual Craft & Storytelling: Ensure your portfolio visually communicates your design aesthetic and ability to create compelling, shareable experiences. Use motion graphics, high-fidelity mockups, and clear narratives.

• Design System Contribution: If applicable, showcase your experience with design systems, including how you’ve used them, contributed to them, or adapted them for specific features.

• Tailor to Stash: Research Stash's products and mission. Consider how your past work aligns with their goals of democratizing investing and fostering financial well-being.

Challenge Preparation:

• Understand Growth Metrics: Familiarize yourself with common growth metrics (e.g., CAC, LTV, conversion rates, referral rates, engagement scores) and how product design influences them.

• Behavioral Economics & Psychology: Brush up on principles of behavioral economics, cognitive biases, and motivational psychology relevant to finance and user engagement.

• Design for AI: Consider how AI could be ethically integrated into growth experiences and how you would design for such interactions.

• Communicate Your Process: Be ready to explain your thought process, design decisions, and how you’d iterate based on feedback and data.

📝 Enhancement Note: The application process emphasizes a candidate's ability to demonstrate tangible results and strategic thinking, especially concerning growth and user behavior. A well-curated portfolio that tells a story of impact is crucial, along with preparation for case studies and cross-functional interviews.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Proficiency in industry-standard design tools like Figma, Sketch, or Adobe Creative Suite is expected. Figma is increasingly the standard for collaborative design and prototyping.

• Design Systems: Experience working with and contributing to design systems is a key requirement. This includes understanding component libraries, style guides, and design tokens.

• Collaboration Tools: Familiarity with tools like Jira, Confluence, Slack, and project management software for cross-functional communication and workflow tracking.

Analytics & Reporting:

• Data Analysis Tools: While not a data analyst role, a Senior Product Designer should be comfortable interpreting data from tools like Amplitude, Mixpanel, Google Analytics, or internal BI dashboards to inform design decisions and measure impact.

• A/B Testing Platforms: Understanding the principles of A/B testing and how to design for experiments to optimize growth features.

CRM & Automation:

• Not directly applicable to this design role but an understanding of how growth features integrate with CRM or marketing automation platforms might be beneficial for context.

📝 Enhancement Note: The technology stack focuses on design and collaboration tools. Proficiency in Figma and a strong understanding of design systems are likely non-negotiable. While not an analytics role, the ability to interpret data and understand A/B testing is crucial for a growth-focused designer.

👥 Team Culture & Values

Operations Values:

• Prioritize People: This is a core Stash value, emphasizing empathy, customer well-being, and building trust, especially for first-time investors.

• Data-Driven: Decisions are informed by data and insights to drive continuous growth and optimize user experiences.

• Collaboration: A strong emphasis on working cross-functionally with Product, Engineering, Data, and Marketing to achieve shared goals.

• Growth Mindset: A relentless pursuit of incremental and continuous growth, encouraging experimentation and learning.

• Design Craft & Quality: A commitment to elevating the quality of product design through systems, critique, and strategic roadmap contributions.

Collaboration Style:

• Cross-functional Integration: Designers are expected to be active participants in cross-functional teams, contributing to strategy and problem-solving.

• Constructive Critique: A culture of design critique is encouraged to foster continuous improvement and elevate design quality.

• Influence and Communication: The ability to clearly communicate design thinking and lead through influence is vital for effective collaboration.

• Ethical Design: A focus on designing thoughtfully and ethically, particularly concerning financial well-being and user trust.

📝 Enhancement Note: Stash's culture appears to be a blend of a mission-driven ethos (democratizing finance) and a performance-oriented tech environment. Values like "Prioritize People" and ethical design are particularly important for a role focused on user growth and financial well-being.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Growth Metrics with User Well-being: Designing growth loops that are effective for user acquisition and engagement without exploiting user psychology or compromising financial health.

• Designing for First-Time Investors: Creating intuitive, trust-building experiences for a user base that may be new to investing and potentially anxious.

• Navigating Ambiguity: Thriving in a fast-paced startup environment where priorities can shift and new opportunities emerge.

• Integrating AI Ethically: Exploring and implementing AI-driven features in a way that is beneficial and trustworthy for users.

Learning & Development Opportunities:

• Specialization in Growth Design: Deepen expertise in user acquisition, engagement, retention, and viral loops through product design.

• Behavioral Economics & Finance: Enhance understanding of financial psychology and behavioral economics relevant to fintech and investing.

• AI Interaction Design: Gain experience in designing with and for AI technologies, a rapidly growing field.

• Design Leadership: Develop skills in influencing product strategy, mentoring junior designers, and contributing to design system evolution.

📝 Enhancement Note: The challenges are directly tied to the core responsibilities of the role, requiring a designer to be both strategically minded and ethically grounded. The growth opportunities are substantial, offering paths for specialization and leadership in a dynamic industry.

💡 Interview Preparation

Strategy Questions:

• "How would you design a referral program for Stash that encourages users to invite friends while ensuring it aligns with our mission of financial empowerment?"

• "Describe a time you used behavioral design principles to drive a specific user action or improve engagement. What was the outcome?"

• "How would you approach designing a celebratory in-product experience for a user reaching a significant investment milestone, ensuring it feels authentic and motivating?"

• "Given Stash's focus on first-time investors, what are the key considerations for building trust and confidence through product design?" Company & Culture Questions:

• "What excites you most about Stash's mission to democratize wealth creation?"

• "How do you see your design philosophy aligning with Stash's core value of 'Prioritize People'?"

• "Describe your experience working in a hybrid environment. How do you ensure effective collaboration and communication with remote and in-office team members?"

• "How do you stay updated on emerging trends in fintech, AI, and product design?" Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly define the problem, your role, the constraints, your process (research, ideation, iteration, testing), your design solutions, and the measurable impact.

• Quantify Your Impact: Use data and metrics wherever possible to demonstrate the success of your designs. If direct metrics aren't available, explain the rationale and expected outcomes.

• Showcase Visual Craft: Ensure your visual examples are high-quality and effectively communicate your design aesthetic and attention to detail. Include interactive prototypes if possible.

• Highlight Growth & Behavioral Aspects: Emphasize projects that specifically demonstrate your ability to drive user acquisition, engagement, or behavioral change. Explain the psychological principles you applied.

• Be Prepared for Q&A: Anticipate questions about your design decisions, trade-offs made, and how you would handle specific scenarios relevant to Stash's product.

📝 Enhancement Note: Interview preparation should focus on demonstrating a deep understanding of growth strategies, behavioral design, and Stash's specific mission. Candidates need to be ready to articulate their impact with data and showcase their ability to collaborate effectively in a hybrid setting.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link, ensuring your resume and portfolio are up-to-date and tailored to the role.

• Curate your portfolio to prominently feature projects demonstrating experience in growth loops, behavioral design, B2C/mobile-first experiences, and measurable impact. Focus on case studies that highlight your strategic thinking and visual storytelling.

• Optimize your resume to include keywords from the job description, such as "Product Design," "Growth Experiences," "UX/UI," "Behavioral Design," "Design Systems," and "Fintech." Quantify achievements where possible.

• Prepare for interviews by researching Stash's products, mission, and recent news. Practice articulating your design process, rationale, and how your skills align with the company's values and the role's requirements. Be ready to discuss your experience with growth metrics and behavioral psychology.

• Research Stash's growth strategies and consider how your design approach can contribute to their goals of user acquisition and engagement within the fintech space. Understand their target audience, particularly first-time investors.

⚠️ 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.