Vetted Performance Optimization Professionals

hetvi patel

Screened

Mid-level Software/Data Engineer specializing in cloud ETL pipelines and data infrastructure

New Jersey5y exp

“Backend/data engineer who built a production analytics data service (Python/FastAPI on AWS/Postgres with PySpark ETL) handling millions of records per day and drove major latency improvements (10–15s to <2s) via indexing, Redis caching, and shifting aggregations into ETL. Also shipped an LLM-based natural-language-to-SQL assistant end-to-end with strong guardrails (schema restrictions, read-only validation, RBAC, masking) and designed a multi-step agent workflow with verification and fallback logic.”

Tamanna Nandlal Choithani

Screened

Entry-level Full-Stack Engineer specializing in AI and distributed systems

California, USA1y exp

“Full-stack engineer who built an AI-based inventory/procurement query system at Botlily/Botlerly using Flask and Google Sheets as a live knowledge base, overcoming Sheets latency with caching and structured in-memory models. Demonstrated strong LLM product engineering (40% accuracy improvement via preprocessing/prompting) and customer-driven iteration with bar/restaurant owners, evolving the tool into a more comprehensive inventory management and forecasting solution.”

“Built a production 13-step LLM agent pipeline at Sentari AI that converts diary entries into personalized AI responses and a persistent structured user profile. Stands out for a pragmatic approach to production AI: strict schemas, function calling, state-machine orchestration, confidence thresholds, logging, and validation layers to control non-determinism and prevent bad profile updates.”

Jarrid Kamphenkel

Screened

Senior Gameplay Engineer specializing in game engines and narrative systems

8y exp

“Gameplay/tools engineer with experience in Unity/C# and narrative systems who built an internal scripting formatter at Pocket Gems that nearly doubled scene scripting throughput. Also worked on The Wayward Realms, integrating a local lore-trained NLP system for procedural NPC dialogue and building a host-authoritative co-op prototype with custom replication debugging.”

Cristobal Troncoso

Screened

Senior Unity Developer specializing in VR, multiplayer, and AI-driven simulations

Santiago, Chile12y exp

“Unity/VR engineer who has owned systems from gameplay architecture through hardware integration, including a modular casino platform deployed to 100+ terminals in Chile that became the company’s primary revenue source for over three years. Also brings hands-on experience with AI-driven talking avatars, multiplayer VR training on Quest, and aggressive cross-platform optimization across WebGL, Android, and VR.”

Gowhith Gandem

Screened

Intern Software Engineer specializing in distributed systems and backend engineering

Remote, USA1y exp

“Frontend engineer with hands-on experience building real-time collaborative and visualization-heavy React applications, including a document editor using WebSockets, Redis, and PostgreSQL. Demonstrates strong performance instincts, with a concrete example of reducing dashboard load time from 3.2s to 2.1s at MegaViz while improving responsiveness for streaming data interfaces.”

YASH CHAUDHARI

Screened

Mid Frontend Engineer specializing in React and FinTech platforms

Kalyan, India3y exp

“Full-stack engineer with strong fintech/product experience who built a credit/account-summary domain end to end as a microservice, integrating multiple backend services and deploying it across 13+ countries. They also shipped an OpenAI-powered financial assistant with token streaming, context grounding, production monitoring, and human-in-the-loop safeguards for sensitive debt guidance.”

“Implementation leader with 20+ years delivering enterprise software projects across healthcare, financial institutions, and federal environments. Stands out for owning delivery from contract through support, leading PMOs, and rescuing complex in-flight modernization programs involving migrations, security, integrations, and phased go-lives.”

Rohit Viswakarma Pidishetti

Screened

Mid-level Full-Stack Engineer specializing in real-time frontend systems

New York City Metropolitan Area, USA5y exp

“Frontend-leaning full-stack engineer who built and largely owned YAARI, a browser-based social media platform with real-time interactions, media handling, and AI-based content validation. Stands out for combining React performance tuning, real-time UX design, and security-conscious backend integration in a complex consumer-style application.”

“Full-stack/backend engineer with recent hands-on depth in Go, Python, React, and TypeScript, spanning telehealth, banking, and B2B workflow platforms. Particularly compelling for startup and scale-up environments: rebuilt core telehealth services to restore provider trust and support 150% user growth without adding servers, and has also delivered large-scale banking and compliance-sensitive systems in production.”

“Front-end engineer with strong experience building CMS-driven, headless e-commerce interfaces in Angular and React for retail brands including Shopify-based implementations and Bob's Discount Furniture. Stands out for combining reusable component architecture with measurable browser-performance gains, including ~25% faster rendering and improved Lighthouse scores, while enabling marketing teams to launch campaigns without engineering support.”

“ML engineer with hands-on experience building production AI systems spanning agentic AI, RAG, LLM automation, fraud detection, and predictive analytics. At Origami Risk, they designed and implemented an enterprise RAG platform end to end using LangChain, LangGraph, vector search, and AWS Bedrock to improve internal knowledge retrieval, reduce manual effort, and raise response quality across teams.”

Masood Taheri

Screened

Senior Unity Developer specializing in multiplayer, VR/XR, and AI systems

Yerevan, Armenia8y exp

“Game developer focused on Unity/C# multiplayer systems, with experience shipping cross-platform experiences on Meta Quest and Android. Has implemented modular service-based architecture, server-authoritative networking, and an LLM-driven voice-command gameplay system using a local server, with an emphasis on stability, extensibility, and live multiplayer debugging.”

“Unity/C# game developer with deep mobile experience spanning real-time shooter and casual game systems, including combat, progression, economy, and social features. Brings 5+ years of Photon multiplayer work plus strong performance optimization for low-end Android devices, and is flexible on contract or full-time remote work from Slovakia with possible relocation.”

“Unity gameplay engineer with hands-on experience architecting scalable game/UI state machines and building Photon multiplayer lobby/session flow systems. Has shipped optimization work for Meta Quest VR and mobile (pooling, LOD, mesh/material combining, draw-call reduction) and uses AI assistants to speed up architecture iteration and profiler-driven performance debugging.”

Janusz Kozakiewicz

Screened

Senior Unity Developer specializing in gameplay programming and scalable architecture

8y exp

“Unity game developer who built high-impact combat UI feedback systems (multi-stage laser charging reticle) using lightweight DOTween animations and math-based reticle switching for multi-cannon gunboats. Has experience shipping features in an always-online mobile title (Fishing Clash) involving protobuf-based client/server communication, and uses AI tools to iterate on scalable MVVM UI architectures (e.g., modular journal with infinite paging).”

“Performance marketer with hands-on experience managing and optimizing multi-channel paid media across Google, Meta, TikTok, SEO, and PPC. They stand out for practical campaign diagnostics—especially domain, device, and placement analysis—and for using those insights to lower CPL, improve lead quality, and exceed lead generation targets in competitive environments.”

Michael Boodoo

Screened

Senior Full-Stack Software Engineer specializing in secure web applications

Washington DC-Baltimore Area, USA10y exp

“Frontend engineer with experience spanning React/TypeScript architecture, third-party integrations, performance benchmarking, and UI animation/visualization. They described work on Angular-to-React migrations, enterprise API and PayPal integrations, a Gatsby-based 360 film project for Venezuelan filmmakers, and fixing a longstanding Washington Post bookmarks issue. Also noted holding an active US Secret Security Clearance.”

“Product/backend engineer from Revinate with experience in a startup-like SaaS environment, working on B2B tools for hotel managers. Stands out for hands-on performance optimization work that cut core service response times from roughly 800ms to about 300ms using Redis caching and database query improvements, alongside full-stack JavaScript/TypeScript and Python experience.”

“Growth and brand marketing leader with experience repositioning product-centric brands into differentiated narratives (e.g., reframing MrSteam as a wellness brand) and driving measurable pipeline and organic growth. Built and scaled ABM and multi-channel acquisition programs with tight sales alignment, including landing Ewing Irrigation and turning it into a distribution partner worth ~$20M annually. Known for using KPI feedback loops to inform product development and rebranding to unlock regional growth.”