Lead UX Designer

Who We Are Finance leaders choose Billtrust to get paid faster, control costs, and maximize customer satisfaction. As the leader in B2B accounts receivable workflow and payment software, we provide the world’s leading brands with AI-powered solutions across the full AR lifecycle—from invoice presentment and payment processing to cash application and collections. With over 2,600 global customers, more than $1 trillion in invoice dollars processed, and a proprietary network of 13 million buyers, Billtrust delivers business value through deep industry expertise and a culture relentlessly focused on meaningful customer outcomes. We’re an AI-first company, not just in what we build for our customers, but in how we work. Across every function, our teams use AI tools daily to work faster, make better decisions, and deliver higher-quality outcomes. We hire exceptional people, give them cutting-edge AI capabilities, and measure success by the impact they create. If you want to do the best work of your career at the frontier of AI and fintech, Billtrust is the place to do it. Our Values Customers We relentlessly increase value for customer and do the right thing for them. Action We make ‘thoughtfully fast’ decisions, act quickly, cut through red tape, deliver progress not perfection, take ownership and accountability. Team Spirit We put the team ahead of ourselves, foster trust and respect, collaborate with passion, despise toxic politics, value our differences, and celebrate together. Innovation We challenge the status quo, experiment thoughtfully, and are novel and brilliant in what we create. Excellence We love to win, but we hate losing even more. We aspire to be the best and take pride in our work. When we fall short, we own it and come back stronger. About the Role: The Lead UX Designer drives product design strategy and execution across the team, setting the standard for quality, craft, and research rigor. This role owns complex problem spaces end-to-end — from framing opportunities and validating hypotheses with users, to delivering high-fidelity, production-ready designs across web and platform experiences. The Lead UX Designer operates at the intersection of user insight, business strategy, and emerging technology. That includes designing products that incorporate AI features — conversational interfaces, predictive UI, AI error and confidence states, human-AI handoff moments — as well as using AI tools to accelerate and sharpen the design process itself. This is a role for someone who thinks in systems, leads through influence, and thrives in an environment where design decisions have real commercial consequences. What You'll Do: Design Leadership & Execution Drive end-to-end design for complex, multi-step SaaS products — from early-stage problem framing through high-fidelity prototyping and handoff. Lead the creation of cross-platform user flows, interaction models, and design specifications that translate cleanly to engineering. Design AI-native product experiences — including conversational UI, predictive features, AI output states, and human-AI interaction patterns — with the same rigor applied to any other product surface. Leverage AI design tools and agentic workflows to accelerate exploration, generate design variations, and reduce time-to-validation. Champion design quality across the team, establishing patterns and raising the bar on craft, consistency, and usability. Research & Insight Plan and execute user research — generative and evaluative — to continuously inform product direction. Synthesize qualitative and quantitative signals (usability studies, analytics, customer feedback, market analysis) into clear design recommendations. Work fluently with product analytics tools (e.g., Amplitude, Mixpanel) — pull your own data, form hypotheses, and connect design decisions to measurable outcomes. Identify friction and opportunity in existing experiences; drive validated improvements backed by evidence, not assumptions. Strategy & Influence Frame design problems with clarity — connecting user needs to business outcomes and technical constraints. Actively contribute to product strategy conversations; push back constructively when proposed solutions don't serve users or undermine long-term product integrity. Collaborate cross-functionally with product, engineering, and stakeholders throughout the full design-to-delivery cycle. Contribute to and maintain the team's design system, ensuring consistency and scalability across the product surface. Mentorship & Team Development Mentor and coach junior and mid-level designers; provide structured, actionable feedback on work and process. Model how to use AI tools thoughtfully in a design workflow — not as a shortcut, but as a multiplier for quality and speed. Help shape team processes, critique culture, and design standards. What You'll Bring: Required 8+ years of product design experience, with demonstrated progression into a lead or senior IC role. Portfolio showing end-to-end ownership of complex B2B or enterprise SaaS product design — design thinking, not just visual execution. Deep proficiency in Figma, including component libraries, auto-layout, and prototyping. Hands-on experience with design systems — building, scaling, and governing them. Strong research chops: usability testing, interviews, synthesis — you know when to do which and how to act on what you find. Demonstrated data literacy: comfortable pulling and interpreting product analytics to inform and validate design decisions. Proven ability to influence product direction and navigate stakeholder dynamics with confidence and clarity. Familiarity with front-end principles (HTML/CSS concepts); enough to design with engineering constraints in mind. Preferred Experience designing AI-powered product features (conversational UI, predictive interfaces, AI error/confidence states). Hands-on use of AI design tools — generative UI, AI-assisted prototyping, synthetic user research methods, or similar. Background designing for fintech, payments, or financial operations workflows. Experience leading or mentoring other designers in a cross-functional product team. The expected base salary range for this position is $145,000 - $160,000 annually. Compensation may vary depending on several factors, including a candidate’s qualifications, skills, experience, competencies, and geographic location. Some roles may qualify for extra incentives like equity, commissions, or other variable performance-related bonuses. Further details will be provided by our Talent Acquisition team during the interview process. What You’ll Get At Billtrust, we believe your total rewards should reflect the impact you make. Our benefits package includes comprehensive health coverage, competitive retirement, generous PTO and parental leave, flexible work options, and meaningful investment in your professional development. We’re building something special and we want you to feel supported while doing it. At Billtrust, we value an equitable and inclusive work environment and strive to build and foster diverse teams. Even if your work experience doesn’t align exactly with the position requirements, we’d still love to hear from you. You may just be the right candidate for this or other roles. We are committed to building a team that represents a variety of diverse backgrounds, perspectives, and skills. We are proud to be an equal opportunity workplace that celebrates and supports diversity and inclusion. We make all employment and related decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law.

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