Cristobal Lemoine

Lead Product Designer with 9+ years of experience designing and scaling end-to-end core product experiences in product-led companies across Fintech for 6M+ users, IoT, SaaS and AI-native products. Expert in leading product design, from discovery and UX research to high-fidelity UI and delivery, in complex and regulated environments. Proven ability to partner with Product, Engineering, and Data to define product strategy, improve adoption, and drive measurable business outcomes at scale.

Lead Product Designer at heysam.ai (2025-08 – Present)

Partnered directly with the founder to define product vision and early-stage roadmap, translating business goals into scalable UX strategies for an AI-native SaaS platform.

• Owned the full 0→1 product design lifecycle, including UX flows, interaction models, UI systems, and high-fidelity prototyping, ensuring speed without compromising craft.
• Designed AI-driven workflows to improve sales conversations, including intelligent automation, demo flows, and real-time collaboration inside Slack-based environments.

Tech Lead Product Designer at MODO (2025-02 – 2025-08)

• Led strategic and complex UX initiatives across multiple squads and tribes, aligning user needs, business objectives, and regulatory requirements within a fintech ecosystem of 30+ financial institutions.
• Defined and optimized the implementation of a UX QA framework to improve design consistency, usability standards, and delivery efficiency.
• Led the scalable UX design of the MODO NFC tap-to-pay experience for 66k+ MAU in the first year, while making it easy for 30+ potential SDK banks to buy the plug and play experience and their 6M Users.

Product Designer at MODO (2022-06 – 2025-03)

• Lead research, analysis, and evaluation activities to understand user needs, preferences, and behaviors within a product ecosystem with a user base of +6MM active users.
• Led UX collaboration on OKR definition and Roadmap planning for 2 business-core-teams and additional cross-functional projects, contributing to soft launch strategies and the analysis of A/B tests to inform product decisions.
• Produce relevant design artifacts, including user flows, sketches at various levels of fidelity, final designs, journey maps, archetypes, concept models and others.
• Designed and led the 0→1 UX for a loyalty platform, owning the end-to-end experience from discovery to pilot launch with Axion, enabling the creation of a new business vertical.
• Designed the user experience of the first service (Bus card SUBE) for the In-App Payments Business vertical Card Top-ups: 100k & 32k MAP
• Drove UX improvement initiatives by organizing targeted training sessions on identified weak spots. Through strategic management of content, timing, and audience, I facilitated skill development and contributed to enhancing work processes.

Product Designer at Drixit Technologies (2020-11 – 2022-06)

• Designed defined and implemented a mobile-first Design System, and selectively merging shared elements from the desktop system, enabling faster and more consistent product development across platforms.
• Designed the V1 mobile experience for on-site managers, supporting real-time supervision of workers operating in high-risk industrial environments.
• Designed the V1 monitoring dashboard to provide at-a-glance visibility into hardware status, including battery life, movement, device ID matching, and operational health of IoT wearables deployed on-site.
• Translated complex industrial safety and IoT data into clear, actionable interfaces, helping managers quickly assess situations and make informed decisions in time-critical contexts.
• Contributed to the platform's role in enabling safe operations during the COVID-19 pandemic, supporting 1 industrial plant in completing overdue maintenance stoppages under social distancing constraints without reported safety incidents.

UX Designer at Summa Solutions (2019-05 – 2020-11)

• Designed UX and UI solutions for e-commerce platforms, translating client and business requirements into user flows, navigation structures, and interface components.
• Collaborated with multidisciplinary delivery teams (product, engineering, QA) to design and iterate on features aligned with client needs and technical constraints in a software factory environment.
• Contributed to usability and conversion improvements by refining information architecture, interaction patterns, and visual hierarchy across web-based commerce experiences.
• Supported multiple client projects in parallel, adapting quickly to different domains, requirements, and timelines while maintaining design consistency and quality.
• Ensured design feasibility and implementation accuracy by working closely with developers during handoff and delivery phases.

UX Design – The Interaction Design Foundation (2020-01 – 2023-01)

Visual Comunicator, Visual Communication – Centro de Diseño Digital (2012 – 2015)