Vetted System Design Professionals

“Built and shipped production LLM agents for real-time, high-concurrency conversational systems, including a RAG-based pipeline with dynamic multi-provider routing and failover that achieved 99.99% reliability and sub-800ms latency. Also architected a UAV telemetry chatbot with tool-calling (anomaly detection/summarization), strict schema validation, and robust eval/monitoring loops, cutting tool-call errors by 30% and reducing operational costs by 90%.”

Joel Zangue

Screened

Senior Full-Stack & Mobile Engineer specializing in React and React Native

Canada6y exp

“Frontend engineer/team lead currently overseeing a 5-person team building an AI trading mobile application, using modular architecture and Jest-based testing to maintain quality as features scale. Also develops a trading/research platform in Next.js/React/TypeScript with Tailwind and Redux, including complex broker registration workflows and experience separating on-device AI components from core business logic.”

Abdallah Mahmoud

Screened

Junior Unity VR Developer specializing in immersive training and multiplayer experiences

Cairo, Egypt2y exp

“Senior Unity/VR developer who built a modular VR interaction + multiplayer architecture with a thin Photon layer (ownership/state sync) that scaled across more interactables, modes, and headsets and was reused across multiple VR projects. Has shipped Photon-based VR multiplayer shooter and collaborative VR training/simulation apps, with a strong focus on event-based networking and performance stability on Meta Quest and mobile.”

Teja Puvvula

Screened

Senior Full-Stack Software Engineer specializing in web apps, cloud, and data integrations

Florida, USA3y exp

“Full-stack engineer with strong production ownership across frontend, backend, and cloud ops. Led an AdTech “Status Centre” initiative at Beautiful Code that automated DSP integrations (XML/SOAP/REST) and reduced manual work by 90%+, using an event-driven architecture with retries and OTEL/Datadog observability. Also built and hosted a MERN app (Onegrad), load-tested with k6, and has experience running large migrations (~8k users) with validation and alerting.”

Asad Abdul

Screened

Mid-level Full-Stack Developer specializing in AI-driven cloud-native applications

Laguna Niguel, CA4y exp

“Full-stack engineer with healthcare/ops analytics experience at PatientXpress, shipping a real-time operational dashboard end-to-end (React/TypeScript + Node/Postgres on AWS) that cut manual reporting by 50%. Strong in performance and reliability work—pagination/caching, Postgres indexing/partitioning, Terraform-based AWS provisioning, CI/CD with GitHub Actions, and production incident response with improved monitoring (CloudWatch/Prometheus).”

Charmi Dharmendrakumar Parmar

Screened

Mid-Level Software Engineer specializing in full-stack and cloud-native systems

Alpharetta, GA4y exp

“Backend/full-stack engineer who owned a cloud-native, AWS-based microservices backend for an HRIS product used by ~10,000 users, including onboarding and workflow orchestration. Strong production focus on event-driven architecture, idempotency/retries, observability, and developer-friendly API design (OpenAPI, versioning, JWT), plus hands-on Selenium automation for resilient checkout-style flows.”

Michael Bunch

Screened

Senior Unity Developer specializing in multiplayer, performance optimization, and VR

Cincinnati, OH17y exp

“Game QA professional who also operates as a developer/lead on a passion project (DCGO), building internal tools and processes that make testers more effective and reduce dev/test bottlenecks. Has shipped enterprise/VR training experiences and created a structured approach to testing procedural generation (flowcharts + scenario clustering), achieving 0 client-reported issues post-launch for a key feature; also drove a Tilt Five SDK rendering fix through detailed reporting.”

Adam Leibowich

Screened

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.”

“Led a government smart city deployment where success depended less on pure engineering and more on navigating policy, budget, and operational constraints. Built phased, cost-conscious systems combining data pipelines, on-prem AI, OCR, and human-in-the-loop workflows to deliver stable production outcomes and make ambiguous real-world data more controllable at scale.”

“Full-stack and AI product engineer with strong accessibility and voice-interface experience in senior living, building systems for older adults where trust and usability are critical. Has shipped React/TypeScript and .NET MAUI products, productionized Azure OpenAI features, built RAG-based research tools, and improved both product outcomes and technical performance with measurable impact.”

“Unity developer with shipped Meta Quest experience who owned the full lifecycle from architecture and feature development through builds and store compliance. Demonstrated strong performance optimization skills (profiling in Unity and MQDH, optimizing textures and render layering) and has built and shipped a modular, cross-platform puzzle game (PC/web/mobile).”

“Full-stack/backend-leaning engineer who owned Shoptaki's Smart ID authentication platform end to end, building a centralized identity system that secured four services and removed duplicated auth logic. Also introduced and operationalized Claude Code in a TypeScript microservices environment, using prompt refinement, CI, and code review guardrails to improve development speed without compromising architecture or security.”

Aditya Niture

Screened

Mid-level Full-Stack Software Engineer specializing in AI-augmented web and mobile systems

Chicago, IL4y exp

“Builder-oriented engineer who has shipped production systems across fintech-style payments, mental health recommendations, industrial oil-and-gas analytics, and AI-assisted client discovery. Stands out for combining deep backend reliability practices with founder-facing product scoping, and reports using Claude-based internal tooling to increase delivery capacity by 40% and handle eight concurrent projects.”

“Frontend-focused product builder who designed and implemented an internal PCB quoting and pricing platform at SVTronics end to end. They translated a vague operational problem into a shipped React/TypeScript workflow that cut quote preparation time by about 40% and reduced manual errors, showing strength in both UX simplification and production delivery.”

“Full-stack engineer with experience building a NASA-funded simulation management platform using React, TypeScript, Next.js, PostgreSQL, AWS, and Docker. Stands out for owning complex, long-running workflow features end to end in production and driving measurable performance improvements, including a 40% database load reduction and API latency improvements from roughly 500ms to under 200ms through Redis caching and async architecture.”

“Full-stack engineer who built an enterprise knowledge assistant from scratch using React, FastAPI, PostgreSQL, ChromaDB, and OpenAI, with role-scoped cited answers over internal PDFs. Stands out for combining hands-on LLM/RAG architecture with rigorous evals, improving grounded QA accuracy from 85% to 95% and deploying a production-style multi-tenant system on AWS.”

“Frontend engineer who has led end-to-end delivery of internal and analytics dashboards in React + TypeScript, with a strong emphasis on scalable architecture, disciplined state separation, and performance under real-time data loads. Uses practical profiling (React Profiler/DevTools), virtualization, and feature-flagged rollouts with solid QA and rapid post-launch iteration to keep quality high as products scale.”