Freelancer profile translated to English.
Back to original languageAbout Katya
Senior Product Designer & AI Builder specializing in B2B SaaS products with complex business logic.
I work on platforms where multi-role workflows, business rules, permission systems, and conditional logic are at the core of the product. **From Discovery to Delivery**, I help teams **structure strategic MVPs and sustainable tools**.
What I bring concretely:
→ AI Builder: design and deployment of no-code applications, advanced prompt engineering, and LLM optimization according to product needs (tone, logic, cost, performance)
→ Product Designer: end-to-end design: field research, UX architecture, high-fidelity mockups, dev-ready specs
→ Mastery of complex journeys: permissions, multi-personas, edge cases, conditional rules
→ Structured and scalable design systems
→ Direct collaboration with PM, tech, and stakeholders
Recent missions & results:
→Ask Naya (B2C/AI, Paris)— AI relationship coaching app launched from scratch, from conception to deployment
→Talent First (B2B SaaS, London)— MVP acquired by a major US educational platform · reduced configuration time from several days to a few hours
→Finoptima (Fintech/AI, New York)— Market-validated MVP, first investments secured
→Purcari (Operational B2E, Chisinau)— reduction of operational errors, scalable UX foundation
→Prométhée NewSpace (B2B, Paris)— multi-million euro funding round
Sectors mastered:Conversational AI ·**B2B/B2E SaaS · Fintech/Agritech/Marketing-tech**·**Digital public service · Industry · Aerospace**
Stack:Figma (components, variants, auto-layout) · Miro · Notion · Jira
Available ASAP, on-site and/or remote inFrance, Europe, and USA
Daily rate: €500/day.
If you are looking for a senior product designer who speaks the language of product and business, let's chat!
French
Native or bilingual
English
Native or bilingual
Russian
Native or bilingual
Can work on-site
Paris (up to 50km), Lille (up to 20km), Marseille (up to 20km), Bordeaux (up to 20km), Lyon (up to 20km)
Experience
- Ask NayaFounder & Lead Product DesignerHEALTH AND WELLNESSMay 2026 - Today (1 month)Paris, FranceProduct PresentationAsk Naya is a conversational AI coaching application designed to support users in their relationships and love life. A B2C product built from scratch on the Anthropic (Claude) API, from strategic vision to deployment.Problem StatementNeed for 24/7 emotional support, without judgmentFragmented dating coaching market, dominated by cold and analytical appsNecessity to design a natural and empathetic conversational experienceTechnical and economic constraints related to the use of LLMs in productionResponsibilitiesDefinition of product vision, positioning, and go-to-market strategyEnd-to-end UX/UI design: onboarding, conversational flow, design systemAdvanced prompt engineering: iteration of the AI coaching system (tone, logic, emotional state management)Competitive analysis and differentiation strategyDefinition of the monetization model (freemium + subscription)Facilitation of focus groups and analysis of user feedbackTechnical guidance with developers (Anthropic API, cost and token optimization)ImpactProduct launched and tested in focus groups with positive user feedbackPrompt system iterated until a natural and empathetic conversational tone was achievedSignificant optimization of API costs through prompt caching and model selection
- PURCARISenior Product DesignerWINE AND SPIRITSJuly 2025 - January 2026 (6 months)Client PresentationThe Purcari Group is the leader in premium wine in Eastern Europe, combining a two-century-old royal heritage with a modern and high-performance growth strategy in international markets.Problem Statement
- Fragmented field business processes
- Multiple stakeholders (production, management, logistics)
- High dependency on business rules
- Need for a structuring and scalable MVP
Responsibilities- Analysis of existing processes
- Field research (interviews & observations)
- User journey & use case modeling
- Facilitation of UX workshops (ideation, convergence)
- Design of key flows and interfaces
- Production of high-fidelity mockups
- Agile collaboration with tech teams
- User testing & iterations
Impact- Reduction of operational errors
- Clarification of responsibilities by role
- Scalable UX foundation for future modules
**Key Skills & Tools**: Multi-role workflow · Information Architecture · Field UX Research · B2E MVP · Design System · Figma · Miro · Jira - FinoptimaProduct Designer - SaaS / AI / Fintech (MVP)BANKING AND INSURANCEFebruary 2025 - May 2025 (3 months)New York, United StatesClient PresentationFinoptima is a fintech company developing an AI-based SaaS product for financial professionals.Problem Statement / Complexity
- Integration of AI signals into the interface
- Sensitive decision-making paths
- Requirement for trust & understanding
- MVP to be structured quickly
Responsibilities- UX/UI design of the product
- Structuring of functional flows
- Prototyping & user testing
- Contribution to the design system
- Monitoring UX indicators
Impact- Early market validation
- Securing initial investments
- Product foundation ready for evolution
**Key Skills & Tools**: Fintech · AI · UX · Fintech · B2B SaaS · UX Architecture · Prototyping · Figma
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Education
- Master, UX DesignEcole Multimédia2022UX Research, UI design, psychologie cognitive, pechniques d'idéation et animation d'atelier, prototypage interactif d'interfaces utilisateur, design de service.
- History and Philosophy of ArtUniversité Paris 1 Panthéon-Sorbonne2014Histoire de l’art, philosophie de l’art, expression plastique, photographie argentique, techniques diverses de la gravure.