UI Designer

📍 Job Overview

Job Title: UI/UX Designer

Company: Polyester

Location: Miami, Florida, United States

Job Type: FULL_TIME

Category: Design Operations / Product Design

Date Posted: September 15, 2025

Experience Level: 2-5 Years

🚀 Role Summary

• Design and deliver pixel-perfect, cutting-edge product interfaces for a next-generation decentralized exchange, focusing on web and mobile platforms.

• Drive user experience innovation by translating concepts into intuitive, engaging, and world-class designs through rapid prototyping and iteration.

• Collaborate closely with cross-functional teams, including product, growth, and engineering, to shape product direction and ensure seamless implementation of design solutions.

• Contribute to the evolution of a robust design system and component library to maintain visual consistency and efficiency across the product.

📝 Enhancement Note: While the title is "UI Designer," the description heavily emphasizes UX principles, user flows, and product collaboration, indicating a strong need for a hybrid UI/UX skillset with a focus on user-centered design and product impact. The role is within a fast-paced, remote-first environment.

📈 Primary Responsibilities

• Craft beautiful, responsive, and user-friendly interfaces for web and mobile applications, targeting a user base of hundreds of thousands.

• Manage the end-to-end design process for features, from initial concept and user flow mapping through wireframing, high-fidelity design, and interactive prototyping.

• Collaborate directly with engineering teams to ensure accurate translation of designs into functional product components, providing clear specifications and assets.

• Conduct rapid prototyping and user testing to gather feedback and iterate on designs, optimizing for engagement, conversion, and overall product experience.

• Contribute to shaping product strategy and priorities by actively participating in discussions with product management, growth, and engineering stakeholders.

• Develop and maintain design system components and style guides to ensure consistency and scalability across all product interfaces.

📝 Enhancement Note: The emphasis on "bringing ideas to life" and "shipping frequently" suggests a hands-on role where the designer is expected to not only create designs but also actively participate in their implementation and iteration, working closely with developers. The "meaningful impact" statement highlights the expectation of significant individual contribution.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating mastery of UI/UX principles is paramount. Candidates with degrees in Design, Human-Computer Interaction, or related fields will be considered, but practical experience and a compelling portfolio are the primary evaluation criteria.

Experience: 2-5 years of professional experience as a UI/UX Designer, with a proven track record in designing responsive web and mobile applications. Experience in the fintech, cryptocurrency, or decentralized finance (DeFi) sectors is a significant advantage.

Required Skills:

• Proficiency in Figma for UI design, prototyping, and design system management.

• Demonstrated experience in creating comprehensive user flows, wireframes, and high-fidelity mockups.

• Strong visual and interaction design instincts, with meticulous attention to detail.

• Expertise in responsive design principles and best practices for web and mobile interfaces.

• Ability to rapidly prototype and iterate on design concepts based on feedback and testing.

• Excellent collaboration and communication skills, with the ability to work effectively with engineers and product managers.

Preferred Skills:

• Experience working with established design systems and contributing to component libraries.

• Familiarity with modern UX research methodologies and user testing techniques.

• Understanding of front-end development principles (HTML, CSS, JavaScript) to facilitate better collaboration with engineers.

• Experience in the decentralized finance (DeFi) or cryptocurrency exchange space.

• Ability to influence product direction and contribute to strategic decision-making.

📝 Enhancement Note: The "highly skilled and senior team" implies that candidates are expected to be self-starters and capable of operating with a high degree of autonomy. The mention of "crafting exceptional design engineering components" suggests a need for designers who understand the technical feasibility of their designs.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A curated collection of projects that clearly demonstrate your UI/UX design process, from initial concept to final, shipped product.

• Case studies that highlight your problem-solving approach, user research methodologies, and iterative design process.

• Examples of responsive web and mobile designs, emphasizing user flows, wireframes, and high-fidelity mockups.

• Specific examples showcasing your proficiency with Figma, including any experience with design systems, components, or prototyping.

Process Documentation:

• Showcase your ability to articulate design processes, including user flow mapping, wireframing, prototyping, and user testing phases.

• Provide examples of how you have maintained design consistency through the use of design systems, style guides, or component libraries.

• Demonstrate your approach to collaborating with engineering teams, including how you provide assets and specifications for implementation.

📝 Enhancement Note: Given the "fast-paced, remote environment" and the expectation for "builders first," a portfolio that showcases efficiency, rapid iteration, and clear communication of design intent will be highly valued. The "impactful work" requirement suggests a need for case studies that quantify the success of design interventions.

💵 Compensation & Benefits

Salary Range: Based on the experience level (2-5 years), location (Miami, a major metropolitan area), and the premium placed on design talent in the tech industry, particularly in fintech/DeFi, a competitive salary range for this role in Miami, Florida, would likely fall between $90,000 - $130,000 annually. This estimate considers the company's growth potential, investor backing, and the "significant growth and earning potential with bonus" mentioned.

Benefits:

• Competitive salary with significant growth and earning potential.

• Performance-based bonuses tied to company and individual achievements.

• Comprehensive health, dental, and vision insurance plans.

• Opportunities for professional development and continuous learning in a cutting-edge industry.

• Flexible remote work environment with a focus on work-life balance.

• Potential for equity or stock options as the company grows.

• Opportunity to work with a highly skilled, senior team on innovative products.

Working Hours: The standard working hours are expected to be around 40 hours per week, typical for a full-time position. However, given the fast-paced, remote, and builder-focused culture, there may be an expectation for flexibility and a willingness to put in extra effort during critical project phases. Strong English communication skills are essential for effective daily collaboration.

📝 Enhancement Note: The explicit mention of "Significant growth and earning potential with bonus" is a key differentiator. This suggests that compensation is not only competitive but also has a strong performance-oriented component, aligning with the company's ambitious goals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Technology (Fintech), specifically Decentralized Finance (DeFi) and Cryptocurrency Exchange. Polyester is building a next-generation decentralized exchange.

Company Size: While not explicitly stated, the emphasis on "small, focused teams" and "every member has a meaningful impact" suggests a relatively lean, agile startup environment, likely in the range of 20-100 employees, scaling rapidly.

Founded: The founding date is not provided, but the company is actively seeking talent to build a new exchange, indicating it is in a growth or pre-launch phase.

Team Structure:

• Small, focused, and highly skilled teams where individual contributions are significant.

• Designers will likely work within product pods, collaborating closely with Product Managers and Engineers.

• Reporting structure is likely flat, with designers reporting into a Head of Product or a Design Lead, emphasizing direct collaboration over hierarchical management.

Methodology:

• Agile development methodologies are implied, with rapid iteration and frequent shipping of features.

• Data-driven decision-making is expected, with designers using user feedback and analytics to inform their work.

• Emphasis on building and shipping innovative product experiences from concept to completion.

• Collaborative problem-solving and a "builder first" mentality are core to the operations.

Company Website: https://polyester.com

📝 Enhancement Note: Polyester's ambition to become a top exchange within a year, backed by significant funding, points to a high-pressure, high-reward environment. The "builder first" and "remote-first" ethos suggest a culture that values proactivity, autonomy, and direct communication.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-level UI/UX Designer (2-5 years of experience). The responsibilities involve end-to-end feature design, direct collaboration with senior teams, and influencing product direction, indicating a significant level of autonomy and impact for someone at this career stage.

Reporting Structure: The designer will likely report to a Design Lead or Head of Product. The emphasis on small, focused teams suggests a direct reporting line with frequent interaction and feedback from senior leadership and cross-functional peers.

Operations Impact: The designer's work will directly impact the user experience of a decentralized exchange used by hundreds of thousands of users. Contributions will be visible and critical to user engagement, conversion, and the overall success and competitiveness of the platform in the rapidly evolving DeFi market.

Growth Opportunities:

• Skill Specialization: Opportunity to deepen expertise in UI/UX design for fintech/DeFi, learning about complex financial product interfaces and user needs.

• Design System Development: Contribute to and potentially lead the evolution of the company's design system, a highly valuable skill in product design.

• Product Influence: Gain experience in influencing product strategy and roadmap through design insights and proactive problem-solving.

• Leadership Potential: As the company scales, opportunities for senior designer or design lead roles may emerge for high performers.

• Industry Expertise: Develop deep knowledge and a strong network within the fast-growing decentralized exchange and DeFi space.

📝 Enhancement Note: The "significant growth and earning potential" combined with a "highly skilled and senior team" suggests that Polyester offers a fast track for career advancement for talented individuals who can demonstrate impact and ownership.

🌐 Work Environment

Office Type: Polyester operates a remote-first model. While there is a US-based entity, the team works distributedly, fostering a culture of asynchronous communication and digital collaboration.

Office Location(s): While the company is US-based and located in Miami, Florida, the role is remote. The specific physical office location is not a primary consideration for this position, as the team embraces remote work.

Workspace Context:

• Remote work environment requiring self-discipline, strong communication, and effective use of digital collaboration tools.

• Emphasis on asynchronous communication to accommodate different time zones and work styles, though daily collaboration is highlighted.

• A culture that values proactive communication and a "builder first" mentality, encouraging independent problem-solving.

• Access to modern design and collaboration tools is expected, with Figma being a core requirement.

Work Schedule: While a standard 40-hour work week is implied, the remote and fast-paced nature of the company suggests flexibility. Effective time management and the ability to deliver results are prioritized over strict adherence to traditional office hours. Strong English communication skills are essential for seamless remote collaboration.

📝 Enhancement Note: The remote-first nature requires strong candidates who are adept at managing their own time, proactively communicating progress and blockers, and contributing effectively within a distributed team structure.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of resume and portfolio to assess foundational skills and experience.

• Portfolio Presentation & Design Challenge: Candidates will likely be asked to present their portfolio, walk through specific case studies, and potentially complete a design challenge related to the platform's functionality or user experience.

• Team Interviews: Interviews with design, product, and engineering team members to assess cultural fit, collaboration skills, and technical understanding.

• Final Interview: Discussion with senior leadership to evaluate strategic thinking, ownership, and alignment with company vision.

Portfolio Review Tips:

• Quantify Impact: For each project, clearly articulate the problem you solved, your specific role, the design process you followed, and the measurable outcomes (e.g., increased conversion, improved engagement, reduced friction).

• Showcase Figma Proficiency: Highlight your expertise in Figma, demonstrating your ability to build and utilize design systems, create interactive prototypes, and manage complex design files efficiently.

• Demonstrate Design Thinking: Walk through your rationale for design decisions, explaining the user needs, business goals, and technical constraints that informed your choices.

• Highlight Collaboration: Include examples of how you worked with engineers and product managers, showcasing your ability to communicate design intent effectively and incorporate feedback.

• Tailor to Polyester: Research Polyester's existing platform (if available) and the DeFi space to understand their product goals and user base. Align your portfolio presentation to demonstrate how your skills can address their specific challenges.

Challenge Preparation:

• Be prepared to discuss common UI/UX challenges in fintech or exchange platforms, such as information architecture, onboarding flows, trading interfaces, and security.

• Practice articulating your design process and rationale concisely and clearly.

• Familiarize yourself with key DeFi concepts and the competitive landscape of decentralized exchanges to demonstrate industry awareness.

📝 Enhancement Note: The emphasis on "builders first" and "shipping frequently" suggests that the interview process will likely be practical and focused on how quickly and effectively a candidate can contribute to product development. Portfolio presentations should be concise and impact-oriented.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core tool for UI design, prototyping, and collaborative design system management. Mastery of Figma's features, including components, variants, auto layout, and prototyping capabilities, is essential.

• Prototyping Tools: Beyond Figma, familiarity with other rapid prototyping tools for quick concept testing might be beneficial.

Analytics & Reporting:

CRM & Automation:

• Not directly relevant to the UI/UX Designer role, but an awareness of how design integrates with product management and engineering workflows is important.

📝 Enhancement Note: Proficiency in Figma is a non-negotiable requirement, as it's explicitly mentioned as a core skill and a tool for design systems. Designers should be comfortable with tools that facilitate rapid iteration and collaboration in a digital environment.

👥 Team Culture & Values

Operations Values:

• Build and Ship: A strong bias for action, focusing on creating tangible products and features that are shipped to users.

• User-Centricity: A deep commitment to understanding and serving user needs, ensuring intuitive and engaging experiences.

• Collaboration: Open and frequent communication across teams (design, product, engineering) to drive product success.

• Excellence & Polish: A dedication to high-quality execution, attention to detail, and crafting beautiful, world-class designs.

• Proactivity & Ownership: Taking initiative, identifying opportunities, and owning projects from start to finish.

Collaboration Style:

• Cross-functional Integration: Designers are expected to be deeply integrated with product and engineering teams, working together throughout the product development lifecycle.

• Feedback-Driven: An open culture for giving and receiving constructive feedback to continuously improve designs and processes.

• Agile & Iterative: Embracing a fast-paced environment where designs are iterated upon quickly based on feedback and data.

📝 Enhancement Note: The company values individuals who are proactive, autonomous, and comfortable working in a fast-paced, remote environment. A collaborative spirit and a willingness to contribute beyond just design execution will be highly regarded.

⚡ Challenges & Growth Opportunities

Challenges:

• Fast-Paced Environment: Adapting to rapid development cycles and frequent iteration demands.

• DeFi Complexity: Designing intuitive interfaces for complex financial products within the nascent and rapidly evolving DeFi space.

• Remote Collaboration: Maintaining effective communication and collaboration without constant in-person interaction.

• Balancing Innovation and Stability: Pushing creative boundaries while ensuring the reliability and security of a financial exchange platform.

Learning & Development Opportunities:

• Fintech/DeFi Specialization: Deepen expertise in designing for financial technology and decentralized systems.

• Design System Leadership: Opportunity to contribute significantly to or even lead the development of a robust design system.

• Product Strategy Input: Gain exposure to product strategy and have a direct impact on product roadmap decisions.

• High-Impact Projects: Work on features that will be used by a large, active user base, providing immediate and tangible impact.

📝 Enhancement Note: The challenges presented are common in high-growth tech startups, particularly in innovative sectors like DeFi. These challenges also represent significant opportunities for professional growth and skill development.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for taking a feature from concept to a shipped product, highlighting your collaboration with engineers." (Focus on your workflow in Figma, prototyping, and handoff).

• "How do you ensure user-centered design principles are applied throughout your design process, especially in a fast-paced environment?" (Emphasize user flows, wireframing, and feedback loops).

• "Walk us through a project where you significantly improved user engagement or conversion through your design work. What metrics did you track, and what was the impact?" (Prepare a specific case study from your portfolio).

Company & Culture Questions:

• "What interests you most about Polyester and our mission to build a next-generation decentralized exchange?" (Research the company, its investors, and the DeFi space).

• "How do you contribute to a remote-first team culture and ensure effective communication?" (Highlight your experience with collaboration tools and proactive communication strategies).

Portfolio Presentation Strategy:

• Storytelling: Frame your case studies as narratives that highlight the problem, your solution, and the impact.

• Visual Clarity: Ensure your designs are presented cleanly and professionally, with clear annotations explaining your process and decisions.

• Figma Showcase: Be prepared to demonstrate your Figma skills, perhaps by showing a live prototype or explaining your design system setup.

• Conciseness: Given the fast-paced environment, be concise and focus on the most impactful aspects of your work. Aim for 5-10 minutes per case study.

📝 Enhancement Note: Prepare to discuss your design process in detail, demonstrating not just your aesthetic skills but also your ability to think strategically, collaborate effectively, and deliver measurable results in a remote setting.

📌 Application Steps

To apply for this UI/UX Designer position:

• Submit your application through the provided Ashby link, ensuring your resume and portfolio are up-to-date and easily accessible.

• Portfolio Customization: Tailor your portfolio to highlight projects demonstrating responsive web/mobile design, strong Figma skills, and ideally, experience in fintech or complex digital products. Showcase your end-to-end design process for at least one key project.

• Resume Optimization: Ensure your resume clearly outlines your experience with UI/UX design, prototyping, and relevant tools. Quantify your achievements using metrics wherever possible, focusing on user engagement and conversion improvements.

• Interview Preparation: Practice articulating your design process, case studies, and how your skills align with Polyester's mission. Be ready to discuss your experience with design systems and remote collaboration.

• Company Research: Familiarize yourself with Polyester's offerings, the competitive landscape of decentralized exchanges, and the broader DeFi industry to demonstrate genuine interest and understanding.

⚠️ 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.