Vetted Prototyping Professionals

“Unreal Engine 5 gameplay/systems developer who led major core features for the Early Access Steam city builder Geopogo Cities: Windsor Detroit, including an end-to-end building placement system tightly integrated with economy, AI pedestrians (Mass AI/Zone Graph/State Trees), and procedural city block generation. Also built a third-person exploration layer with character customization, stamina, and animation retargeting on top of the City Sample Crowd framework, plus shipped player-driven UX improvements based on live Early Access feedback.”

“Engineering-focused designer who has led end-to-end design of an aerodynamic gas turbine exhaust diffuser/fairing system, working across aerodynamics, thermal, manufacturing, test, and operations. Known for improving decision-making speed and alignment by standardizing CFD/performance visualizations and restructuring complex validation workflows into more intuitive, data-readable experiences, incorporating field/inspection feedback to improve maintainability.”

“Unity/C# VR developer who shipped core UX infrastructure (a reusable Toast Manager) used for state-change/error/CTA notifications, designed to be easily consumed by other engineers via a one-line API. Has shipped on Meta Quest (Adobe Substance 3D Reviewer) and built cross-platform controller mappings with Unity Input Actions, emphasizing event-driven performance and profiling. Worked alongside a Photon networking lead to integrate gameplay/UI systems with multiplayer synchronization patterns (ghost players/drift correction).”

Tasmeena Maryam

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Senior Design Lead specializing in brand strategy and multi-channel digital campaigns

Atlanta, GA8y exp

“Senior Art Director/design lead focused on high-polish marketing creative and brand systems, spanning a packaging relaunch campaign and a B2B rebrand for a complex, data-driven product (ROIOn). Experienced building scalable Figma design systems and modular templates that enable rapid iteration and late-stage changes without quality drift, plus short-form social video production using After Effects/Premiere/CapCut in fully remote, async workflows.”

Federico Costa

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Senior Game Designer/Producer specializing in multiplayer F2P live-service systems

Barcelona, Spain14y exp

“Game designer who led two shipped cross-platform soccer titles (Monkers League / Champs), owning core mode and control design across mobile and PC (controller + mouse/keyboard). Drove a major gameplay pivot from controlling a full team to single-character play and tuned controls via playtests to expand appeal beyond traditional sports fans, while also building engagement systems like season passes, tournaments, and live events amid repeated platform shifts.”

“Backend engineer focused on Node.js (Express/Fastify) and MongoDB who designed a multi-stage bill-approval workflow system for a manufacturing company, emphasizing RBAC, auditability, and scalability across multiple factory units. Also improved system robustness by catching a MongoDB connection leak in an Excise department project and has experience executing low-risk, incremental backend refactors with monitoring and rollback.”

“Backend/web API engineer with hands-on experience deploying .NET Core APIs to Azure App Service and stabilizing production systems through disciplined log-driven troubleshooting, environment configuration management, and SQL performance tuning (execution plans, query rewrites, indexing). Has also debugged cross-layer incidents involving DB locks and network latency, and modifies Python/XML automation scripts to meet customer-specific requirements while improving logging and performance.”

“Product designer/hardware prototyper building Saccade (VR headset attachment for Apple Vision Pro) to enable earlier, lower-cost Alzheimer's detection via eye-tracking and on-device CV/ML; designed a custom biocompatible snap-on light-shield replacement with integrated cameras/PCB after Apple camera-data restrictions. Also has biomedical manufacturing experience (major fixture-driven throughput gains) and leads a 160-member Assistive Technology Club sponsored by Apple and Google.”

“Software engineer with experience at PTC (Onshape cloud CAD) and Firebolt building customer-facing features end-to-end—from user research and prototyping (tooltips, CSV imports) through deployment and usage monitoring. Also handled urgent production crashes in a Flutter mobile app across iOS/Android by diagnosing state-management conflicts and shipping a stabilizing patch; enjoys hands-on, customer-facing work and travel.”

“Senior Unity UI/UX developer who led XR interaction design for a VR meetings/events platform (VRChat/Horizons-like), including a modular radial menu that served as the app’s primary control system. Also built a Pokemon Go-style Unity AR experience for a major shopping centre end-to-end, tackling real-world marker scanning challenges (lighting, reflections, installation) through iterative prototyping and testing.”

“Full-stack/backend engineer with deep insurance claims domain experience who built and operated a microservices + ETL platform (Java/Spring Boot + Python + Kafka/Databricks) processing 1M+ daily transactions. Combines production-grade reliability (99.7% uptime, zero-downtime blue/green releases, strong observability) with customer-facing UI delivery (AngularJS/React+TS dashboards and a hackathon-winning research chatbot).”

Stella Zeng

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Mid-Level Product Designer specializing in AI-powered UX and accessibility

San Francisco, CA3y exp

“Product designer focused on complex, rules-heavy workflows, with recent end-to-end ownership of Casehero.ai (AI-assisted tooling for immigration lawyers) including interaction model, visual language, and a reusable design system. Uses deep field research (shadowing, live sessions) to simplify overwhelming experiences and reports ~70% reduction in manual effort/time after redesigns; also has accessibility-focused work on Captify for deaf and hard-of-hearing users.”

Jinyao Ouyang

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Mid-level Design Engineer specializing in product UX and front-end systems

Grand Rapids, MI4y exp

“Designer-engineer who independently rebuilt the Flexi-Casa ecommerce experience end-to-end as a headless Shopify/Next.js storefront. Stands out for combining UX, frontend implementation, analytics, and A/B testing in one role, using funnel analysis to identify conversion issues and ship data-informed IA and UI improvements.”

“Product/UX designer with end-to-end redesign experience on the Discover Mobile Banking App, focused on rebuilding interaction models and a WCAG 2.1-compliant visual system to improve accessibility outcomes (including Lighthouse score). Also redesigned a restaurant ordering/management SaaS (RestroZap), translating complex operational and configuration workflows into guided, non-technical user experiences through field research, progressive disclosure, and iterative prototyping in Figma.”