Leo Succar
Senior Designer using AI for design engineering and development, design systems, and crafting end-to-end experiences across web or native.
Design Business Company
Web, Design Systems Designer
2025–Present, Remote
Client: Anthropic
Projects: Claude.ai and Anthropic.com (ongoing)
  • Tight collaboration with 2 lead designers composing, refining, and documenting nearly every page, section, component, animation, and interaction as well as exhaustive quality assurance with developers and client designers and managers.
  • Employing Figma's best practices, I extended and applied multi-theme system variables, styles, properties, and components across all designs to achieve precision and consistency, as well as extensive reusability and configurability, helping our small team move fast at a high bar.
  • Detailed rapid prototyping and design engineering with Claude Code.
Sania Saleh Studio
Product, Web Designer
2025, Remote
Client: Sapien
  • Partnering with Sania, we designed every view, component, and flow of the core consumer-facing product as well as various visually rich and interactive website landing pages for an AI model-training platform where users conduct multi-step tasks and earn rewards and compensation.
  • Visual explorations and experiments with AI code tools and assistants like Cursor and Claude Code.
Meta
Senior Product Designer
2024–'25, Remote
Team: Identity and Multi-profile Experiences
  • I used internal AI tools and traditional methods to gather, document, and share deep UX problems and opportunities.
  • Provided major updates to our guidance, architecture, and patterns, and delivering end-to-end flows for Facebook's cross-platform (iOS, Android, and web) push and in-app notifications from all of a user's additional profiles across diverse use cases—professional and personal—inline with precise internal systems.
  • Partnered on design for simplifying the management of multiple profile roles and types.
BitGo
Senior Product, Design Systems Designer
2023–'24, Remote
  • With 5 designers and many more PMs/engineers, we collected user feedback and delivered data-driven interface and flows for innovative financial web apps, including onboarding, dashboards, and global trading and transactions.
  • Upgraded, extended, iterated, documented, and maintained a large, token/variable-heavy atomic design system, including layouts, templates, flows, patterns, and content/copy.
Plasmic
Founding Designer
2020–'24, San Francisco, CA and Remote
  • Supporting a global team of up to 14 engineers, I led the design of every interface, component, and flow for a low-code visual design and development tool helping people be expressive and productive when creating for the web.
  • Work also included feature ideation, documentation, crafting templates, implementation, as well as company branding and communication design.
Facebook
Product, Design Systems Designer
2018–'20, Menlo Park, CA
Teams: xDesign, Core Systems
  • 1 other designer and I oversaw the customer feedback and interview-driven designs of a complex suite of software engineering/developer tools and web applications supporting Instagram, WhatsApp, Facebook, Oculus, and more.
  • Alongside 3 other designers, we spearheaded a highly-demanded unifying React-based atomic design system for teams company-wide resulting in a visual and UX reshaping of 100s of internal tools and products, with some branding.
  • Collaborated closely with PMs, engineers, designers, and managers on cross-company, high-impact, often drastically unassociated systems, tools, and products—providing design services to a handful of unique teams.
  • I introduced and championed Figma to internal-facing design teams—creating shared resources and libraries—helping to vastly speedup their flows.
Sourcegraph
Senior Product Designer
2017–'18, San Francisco, CA
  • Mostly a solo designer to a company of all engineers, I led design strategy, user interviews, explorations, custom icons, flows, and prototypes for a web app and Chrome/VS Code extensions that allowed large developer teams to search and manage their company codebases—along with branding, sales, and growth-led projects.
Zenefits
Product Designer
2016, San Francisco, CA
  • Together with PMs and engineers, I completed entire designs for 1 internal and 3 customer-facing core web app products, including new, comprehensive consumer-facing employee payroll and PTO SaaS web apps while contributing to extensive candidate hiring, team growth, and training.
Emerson College
Boston, MA
  • Bachelor of Arts, New Media
  • Bachelor of Science, Integrated Marketing
  • Concentration, Political Science
  • Product, Software, Visual, UI Design
  • Claude Code-based Design Engineering and Prototyping
  • Design Systems
  • Web Design and Development
  • Communication, Graphic Design
  • Figma, Framer, Webflow, Photoshop
  • HTML, CSS, Tailwind, ShadCN UI