Vetted Prototyping Professionals

“Built and productionized an LLM-powered customer support system using a RAG architecture with structured document ingestion, embedding retrieval, and prompt templates for product-specific grounding. Experienced diagnosing live agent/workflow failures (e.g., retrieval regressions after new docs) by refactoring ingestion/chunking and adding grounding constraints plus evaluation benchmarks. Also supports go-to-market by joining discovery calls, shaping MVP workflows into demos/prototypes, and creating post-launch documentation to drive adoption.”

“Marketing-focused designer specializing in high-polish, conversion-oriented e-commerce landing pages and scalable Figma design systems for high-volume funnel and campaign production. Builds modular creative frameworks to rapidly generate and A/B test many ad variations, and pairs this with a fast CapCut-based workflow for multi-format marketing videos in a fully async remote collaboration style.”

“Unity gameplay programmer who built a high-impact "furniture influence" system for a RimWorld-like base builder, adding spatial synergy that changed how players approached building. Also helped remaster a prior title by adding live-service multiplayer using PlayFab for lobby/matchmaking and LiteNetLib reliable UDP, validated via stress tests with simulated clients for a smooth release.”

“Frontend engineer (Zippia) who leads complex, form-heavy React + TypeScript workflows end-to-end, setting architecture conventions and improving performance at scale. Demonstrated strong production ownership by fixing a PDF migration issue and coordinating a recovery that regenerated PDFs for ~1700 impacted users while working closely with PM, design, QA, and a small founding team.”

“Backend/DevOps-leaning engineer who has owned a Python serverless platform on AWS (Lambda, DynamoDB, Step Functions), including complex multi-step business workflows with transaction-based consistency and robust failure handling. Also supported an on-prem SQL to Azure Data Lake migration by building and monitoring Python + Azure Data Factory ETL pipelines, and led GitOps-style CI/CD automation with GitHub Actions (tests, security scans, automated deployments).”

“Product designer with a front-end engineering background who built “Gifter” end-to-end while the underlying payments chain was being developed, covering onboarding, wallet funding, benefits issuance, balance tracking, refunds/chargebacks, and reconciliation. Deep fintech/payments UX experience in Brazil’s PIX ecosystem, using rigorous state modeling and design-system tokens plus hands-on user testing to make complex financial workflows feel predictable and calm.”

“Game QA professional with 6 years’ experience spanning first-party studio work and large-scale outsourcing. At Cloudhead Games, owned end-to-end QA including test planning, compliance/submission, and final release greenlighting for DLCs/major updates, plus post-release live follow-up. Also served as a lead at Pole To Win on GTA Definitive Editions, coordinating testing/reporting for one title within a 50–60 tester team, and brings strong Unity in-engine multiplayer/networking investigation skills.”

“Unity developer with 12+ years spanning the early Oculus Rift era through modern VR/MR, including HoloLens and Magic Leap. Has delivered client-facing immersive experiences for brands like Pfizer and H&M/Moschino, and built reusable XR UI/tooling to speed up cross-platform VR/MR production. Also capable of full-stack solo game creation, winning awards for a self-built survival puzzle game made in a 48-hour game jam.”

“Game developer with 5 years focused on Unreal Engine and experience shipping multiple Meta Quest VR titles. Started in Unity through university and indie projects (classic remakes and a strategy game), with strengths in level design, materials, and VFX, and uses AI tools like Copilot and image generation to accelerate coding and texture/resource creation.”