David Masson

- Ignition ApS (mobile casual/puzzle game): redesign of 12 levels (flow, difficulty curve, visual cues) to significantly improve player retention - Fiero Studio (no‑code engine): revamp of onboarding tutorial and build of a playable demo to showcase engine capabilities - Various indie studios: advisory on game/level/UX design for small‑scale projects

Delivered 4 high-impact solutions to improve “new driver success” for Blablacar - Owned product strategy and problem framing, prioritisation, solution prototyping, specifications, and rollout approach. - Analysed the BlaBlaCar dataset and conducted user research (interviews with drivers and passengers) - Prioritised problems based on impact on selected metrics vs. technical cost - Prototyped feature flows on Figma and iterated on the 4 solutions targeting newbie driver success. - Worked with my duo to align on priorities, scope and delivery process.

Built and launched an edtech game to teach French road safety rules (“Code de la route”), improving learning comprehension and user adoption by iterating on learning/gameplay flows. - Owned functional specifications, the core learning/gameplay UX flows (wireframes), the playtesting process, adoption documentation, and the Game Design Document (GDD). - Created functional specs and Figma wireframes with clear handoffs to design and development; facilitated playtesting and feedback loops to iterate on comprehension, difficulty pacing, and content structure. - Coordinated stakeholders across pedagogy, design, and engineering by producing release notes and internal guides.

Delivered gameplay features on time and within scope in a cross-disciplinary, international setup - Owned feature briefs and specifications, supported design alignment, and drove internal communication on roadmap and feature readiness. - Produced clear feature briefs and detailed specs, ensured smooth handoffs across disciplines, and supported release planning to keep delivery on track. - Aligned Engineering, Design, and leadership on scope and milestones by maintaining technical documentation and provided regular roadmap/feature readiness updates to the CEO and key stakeholders.

Helped deliver high-quality gamified experiences by aligning client needs with platform feasibility and execution quality / Customers: Givenchy, Casino, Carrefour, FDJ…. - Customer need alignment, scope definition, feasibility assessment (Roblox/Fortnite constraints), and delivery quality across client projects. - Conducted UX audits and translated findings into actionable recommendations - Mapped client objectives to what could realistically be built on Roblox/Fortnite (scope, trade-offs, milestones); ensured deliverables met quality expectations before release. - Designed cross-platform quests (metaverse + Twitter) for The Lost Wallet, enhancing engagement and narrative depth, and a full-cycle production of a gamified map on The Sandbox for a pro game jam - Partnered with Sales/BD, Product, Marketing, and Delivery/Engineering to align on objectives, scope, and timelines, and to keep client stakeholders informed.

Co-founded an indie gaming studio and defined product vision + business strategy. Designed engagement loops and iterated through user research and playtesting.