Vetted Version Control Professionals

“Unity developer with shipped Meta Quest 2 room-scale VR experience, owning VR architecture (XR Interaction Toolkit/Oculus Integration), core interaction systems (grabbing/UI/locomotion), and Quest performance optimization. Also built a solo mobile puzzle game with star-based difficulty tuning, UI/performance profiling, and progression/replay systems, and uses AI assistants to speed prototyping, debugging, and documentation.”

“Unity game developer with hands-on gameplay AI experience (FSM-driven monsters with customized NavMeshAgent movement) focused on creating readable, high-tension survival encounters through iterative tuning. Has shipped/created 4 Unity games solo end-to-end (UI, animations, architecture, state machines) and has also built a full Python game server; some exposure to Photon Fusion and strong client/server REST API implementation experience.”

“Unity lead developer who built a turn-based soccer game (Soccer Glory/Score Hero-like) with complex in-air ball simulation, AI reactions, and animation handling, then scaled production by creating an in-editor level/animation authoring tool that saves to JSON and shifted level setup from devs to designers. Strong multiplayer background across Photon PUN, Mirror, UNet, and Socket.IO, including a 100-user metaverse room and practical approaches to authoritative simulation and VR/mobile performance optimization (Meta Quest 90 FPS).”

“Full-stack engineer focused on Next.js (App Router) and TypeScript who has shipped and owned production role-based dashboards end-to-end, including post-launch reliability/performance work. Demonstrated measurable UI performance improvements (35–40% faster initial load) and strong backend rigor with Postgres query/index optimization (300ms to 30ms) plus durable Temporal-orchestrated onboarding/data-sync workflows with idempotency and retry strategy.”

Joel Taylor

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Mid-level Software Engineer specializing in Unity interactive experiences and audio systems

4y exp

“VR-focused Unity developer and game design lead who has built multiplayer VR experiences for Rift S and HTC Vive (some work under NDA). Built "Sailors Bridge," a 3-player cruise-ship simulator for children for the Saudi Aroya cruise ship, delivering from concept through installation in ~5 months while also coordinating scope and cross-discipline execution amid changing team resourcing.”

Fernando de Cea Cotta

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Senior Game Developer specializing in Unity and XR (AR/VR)

Spain9y exp

“Unity/C# developer with hands-on experience delivering performance-critical systems: built a multithreaded Addressables-based asset loading pipeline to handle thousands of animations and drastically cut loading screens. Also created a personal Unity Editor tool using the OpenAI API to detect code smells and generate prioritized remediation, and has shipped authoritative-server multiplayer for an arcade car game with prediction/interpolation, reconciliation, and robust live-network debugging.”

David Acosta

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Senior XR/Unity Developer specializing in AR/VR mobile and immersive experiences

Bogota, Colombia7y exp

“Unity/C# XR developer who shipped a HoloLens 1 medical congress experience from scratch (including modeling, animation, and full system architecture), later credited with driving retention/revenue and helping the client win an international best-practice award. Has VR (Meta Quest 2) experience integrating OpenAI-powered dialogue and has delivered cross-platform AR/VR interaction patterns across HoloLens and iOS/Android via AR Foundation and the Unity Input System.”

“Built and shipped Site Audit AI, a production multi-turn Claude-based agent that autonomously crawls websites, calls tools, and generates scored audit reports—reducing a manual 2-3 hour developer workflow to under 60 seconds. Also brings practical experience integrating inconsistent payroll/HR data across platforms like QuickBooks and Keka, with a strong focus on validation, fault tolerance, and resumable workflows.”

Antonio Walker

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Senior Technical Lead and Full-Stack Engineer specializing in cloud, AI, and enterprise platforms

Irvine, CA13y exp

“Engineering leader and player-coach who says he joined Freeing Returns during a transition from sales-led services to SaaS, architected the platform from the ground up, and helped hire a 10+ person team across engineering, product, and delivery. He also describes leading an AI-based fraud detection system on Salesforce with data lake and pipeline architecture, combining startup build-from-scratch execution with hands-on technical leadership.”

“Unity gameplay engineer with experience shipping features for a multiplayer cricket title (RVG Cricket), including a high-impact replay system that records and replays full play sequences across all on-field entities. Also implemented Photon-based multiplayer and debugged host/client execution issues, and uses AI tools to speed up data enrichment workflows (e.g., generating/matching country ISO codes from JSON into ScriptableObjects).”

“Unity gameplay programmer focused on improving moment-to-moment combat feel through performant feedback systems (object-pooled floating damage numbers with tweened animations). Has hands-on multiplayer networking experience using Photon PUN for real-time syncing/combat events and Socket.IO for custom client-server features like matchmaking and game state updates.”

“Full-stack engineer with hands-on experience building end-to-end applications using Java/Spring Boot and React, including Dockerized deployment and RabbitMQ-based messaging. Worked on a high-volume payment processing system at Alacriti, focusing on performance (query optimization, caching) and reliability with monitoring via AWS CloudWatch.”

“Game QA professional with AAA experience on Counter Strike Online, owning high-risk areas like matchmaking and server stability end-to-end (test planning through release verification). Has led cross-platform mobile QA for complex multiplayer titles with third-party integrations and tight deadlines, and strengthens coverage via automation and disciplined JIRA-based triage and reporting.”

Ramya Jonnala

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Principal/GenAI Engineer specializing in LLMs, RAG, and MLOps

Plano, TX9y exp

“Built a production AI-powered university marking system that automates question generation and grading from PDF course materials using a RAG pipeline (S3 + Pinecone) orchestrated with LangChain/LangGraph and deployed on AWS ECS via Docker/ECR and GitHub Actions CI/CD. Addressed a key real-world LLM challenge—grading consistency—by implementing rubric-based scoring, retrieval re-ranking, and standardized context summarization, validated against human instructors.”

Emmanuel Sarpong

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Mid-Level Full-Stack Developer specializing in React and ERP/NetSuite automation

Montreal, QC4y exp

“Frontend/full-stack product builder who led SiteSnap (field documentation platform) end-to-end, including UX design, React/TypeScript architecture, and deployment. Built a complex Report Builder editor handling thousands of media assets with strong performance practices (virtualization, lazy loading) and a quality pipeline (Storybook, Playwright, Vercel previews), and shipped a smart PDF report generator under a tight demo deadline with gradual rollout.”

Zoe Meng

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Mid-level Full-Stack Engineer specializing in React, Node.js, GraphQL, and TypeScript

Richmond, CA6y exp

“Full-stack engineer experienced in high-growth (seed to Series B/C) SaaS environments, with strong production ownership across performance, observability, and reliability. Has shipped Next.js App Router/TypeScript features and improved real-world UX metrics (e.g., virtualization boosting scroll from 30→60 FPS and reducing mobile bounce), optimized Postgres with indexing/EXPLAIN ANALYZE, and built idempotent payment/provisioning workflows using Temporal.”

Adam Leibowich

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Mid-Level Technical Designer specializing in VR training and game/level design

5y exp

“VR training/simulation designer who owned Guided and Unguided instructional modes end-to-end, including grading/scoring logic and accessibility improvements (dynamic collider sizing and progressive visual hints). Built a Unity vertical-slice prototype for a new physics engine featuring realistic grabbing and alignment interactions, iterating mechanics based on playtests to improve usability.”

“AI/ML engineer with hands-on experience owning production deployments from discovery through post-launch stabilization, including real-time computer vision/OCR systems and LLM-powered RAG workflows. Stands out for translating messy customer workflows into reliable backend services, debugging non-deterministic retrieval issues, and hardening AI systems with validation, monitoring, and human-review fallbacks.”

“Senior full-stack engineer with 7+ years of Python-centric experience who has worked in lean startup environments and personally drove backend architecture for a data-intensive B2B analytics platform. Stands out for navigating ambiguous, fast-changing requirements while improving scalability and performance through Redis, Celery, RabbitMQ, and PostgreSQL optimization.”

Bhagyashree sheth

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Executive Game Developer specializing in Unity 2D/3D, AR/VR, and multiplayer

India10y exp

“Unity/C# gameplay engineer who has shipped mobile, VR (Meta Quest), and Photon PUN2 multiplayer titles, with strong performance and systems architecture chops. Delivered measurable product impact (Day 7 retention +15%, daily revenue +5%) and deep UI optimization (pooling + canvas isolation to sustain 60 FPS), and also integrated an LLM-driven RPG dialogue system with streaming, caching, and silent fallback reliability patterns.”

István Gris

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Senior Technical Artist specializing in Unreal Engine VR optimization

Keszthely, Hungary7y exp

“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.”

Lucas Parise

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Senior Unity Developer specializing in game development

Brusque, Brazil4y exp

“Lead Unity developer at Saku Monsters with 1 year and 4 months building core mobile game systems end-to-end, including movement, interactions, economy loops, multiplayer lobbies, and a scalable character customization system. He also experimented with LLM-driven NPC dialogue in a personal project, using caching and fallback logic to manage latency and cost, and is open to relocation or contractor work from Brazil.”