Vetted CSS Professionals

“Built a production-grade LLM evaluation and regression system that stress-tests models across hundreds of iterations, combining LLM-as-judge, semantic similarity, statistical metrics, and rule-based checks, with results delivered via stakeholder-friendly HTML reports and dashboards. Experienced orchestrating multi-agent RAG workflows using LangChain/LangGraph and event-driven GenAI pipelines in n8n integrating OCR, speech-to-text, and external APIs, with strong emphasis on reliability, observability, and explainable failures.”

“Solo game developer for 3+ years seeking to join a team environment. Built a futuristic "soundwave" gun feature by enhancing weapon detail/rigging in Blender and implementing responsive moving parts and VFX in Unity; observed higher engagement in Poki playtest videos (~15% more time spent). Has implemented multiplayer in small games using Unity Multiplayer Netcode and Mirror, and uses ChatGPT to speed up coding and webgame debugging.”

“Unity developer with ~5 years of professional experience who served as the main developer on a shipped Meta Quest VR game (Smash Therapy), handling most of the code and tackling key VR challenges like UI/UX and standalone performance optimization. Also builds AI-driven gameplay systems (e.g., minimax-based unbeatable tic-tac-toe) and leverages AI assistants to speed up routine implementation and brainstorming.”

“Unity VR developer with 3 years of experience shipping games for Meta Quest, focused on gameplay event handling and animation control. Prefers structured production environments and on-site, 9-to-5 work; notes multiplayer development as a more challenging area.”

“Frontend engineer who has led end-to-end React + TypeScript initiatives, including a shared frontend module used across product lines/regions and an inventory discovery experience for large datasets. Strong in scalable architecture (feature-based, configuration-driven, role-aware components), design systems with Storybook, and performance/quality practices (profiling, CI/CD, automated testing, feature-flagged rollouts). Reported ~30% reduction in duplicate code after refactoring an existing React codebase.”

“Unity/C# developer with hands-on Meta Quest shipping experience from Wren Kitchens, building a VR kitchen scale visualiser and solving tricky URP/HDRP cross-pipeline rendering issues by creating internal shader/asset management utilities. Also has solo Unity game experience including an Android/Google Play release and game jam prototyping, plus side-project work using Python/PyTorch for predictive modeling.”

“Frontend engineer with experience leading end-to-end builds for an education job-matching platform that used AI resume scanning to improve candidate-company matching. Has also built React + TypeScript interfaces for a medical platform with multi-user role modeling via dedicated TypeScript interfaces, and is comfortable refactoring large legacy files into modular, reusable, performance-optimized code.”

“Frontend-focused engineer with full-stack capability (Node/Express + MongoDB/MySQL) who emphasizes scalable quality practices: PR-driven reviews, CI quality gates, and a full testing pyramid (Jest/Vitest, React Testing Library, Cypress/Playwright). Built complex React + TypeScript role-based dashboards/workflows using reusable component architecture and layered state management (React Query/SWR, Context for auth/roles), with strong performance and UX polish (Lighthouse, lazy loading, accessibility, responsive design).”

“Frontend engineer focused on React/TypeScript products in a risk management domain, owning dashboards, reports, and a user feedback system end-to-end. Known for formalizing design systems and improving performance at scale (reported 20% faster performance) while shipping deadline-driven features that improved engagement (10%) and helped onboard a major client.”

“Applied LLMs to classify long nonprofit mission statements into 8 segments without labeled data, using an ensemble of clustering/embedding methods plus zero-shot RoBERTa/BART and a Tree-of-Thought prompting pipeline with LLM-as-judge evaluation (Gemma). Also built LangChain/LlamaIndex agentic RAG workflows including a text-to-SQL data analysis assistant grounded on DB schema with retries and performance optimizations on an HPC cluster.”

“Frontend lead for B2B SaaS products, owning React + TypeScript architecture end-to-end and scaling complex dashboards/workflows with a feature-based structure, shared design system (Tailwind), and strong quality automation. Experienced shipping high-impact features quickly using incremental delivery, feature-flagged rollouts, and performance profiling/optimization to keep production stable as usage grows.”

“Software engineer who deployed and stabilized a real-time analytics platform at Senecio Software, focusing on production reliability, observability, and performance under load. Experienced debugging issues spanning distributed services and networking (e.g., tracing timeouts to packet loss from misconfiguration) and extending Python (FastAPI/Django) APIs for customer-specific analytics features in a configurable, maintainable way.”

“UX/Product Designer with end-to-end case-study experience on Verizon personalization, combining deep user research with iterative prototyping to address privacy/data-tracking trust issues and drive measurable conversion impact (estimated 0.5% lift; ~$750K annual revenue). Also designed a Work Safety Management System at Inova Solutions, simplifying complex real-time alerting, compliance, and role-based permission workflows using motion prototypes and progressive disclosure, and collaborates closely with engineers with working HTML/CSS/JavaScript knowledge.”

“Product/UX designer with experience designing creator-facing web platforms, including Anthem Nation OS—an AI-assisted music content syndication system—where they turned complex automation into guided onboarding, channel connection, and campaign setup flows. Also redesigning a governance/training website (INoSC/GovernanceAlive) to make dense multi-stakeholder curriculum content navigable and scannable, using iterative prototyping in Figma/Framer with motion via Lottie.”

“Robotics/embedded developer with hands-on ROS 2 and micro-ROS experience on ESP32, building a remote-controlled high-power LED system. Worked across power distribution (buck-boost constant 30V), sensor calibration with real-time data checks, and long-range WiFi connectivity using an omnidirectional antenna achieving 100m+ coverage.”

“Built and productionized an LLM-based appointment management agent, implementing RAG with Redis and LangGraph plus multi-agent intent handling and rule-based conflict guardrails to prevent double-booking under high load. Experienced in real-time diagnosis of agentic workflow failures using logs/traces and state inspection, and in driving adoption via interactive developer demos and sales-aligned custom customer scenarios.”

“Software developer with experience delivering and deploying customer-facing web applications, including an investment-focused platform requiring PostgreSQL/SQL optimization and hierarchical (adjacency list) data modeling. Has integrated payment APIs for a retail/antique shop use case, factoring in rate limits and documentation-driven implementation, and has handled time-sensitive production bugs via rapid replication and hotfix deployment.”

“Game/VR simulation developer who built and shipped multiple VR training levels (e.g., nursing and scientific method) at VXR Labs, owning level implementation and backend logic. Experienced in Unreal Engine 5 Blueprints prototyping (including a horde mode) and in designing tightly gated, step-based educational experiences while collaborating closely with educators/subject-matter experts to balance realism with VR feasibility.”

“Senior product designer focused on high-polish growth/marketing creative across social and web, citing work on "Red Bean" (social app promotion) and "House to Home" (website + AI feature/shipping launch). Emphasizes scalable systems—Figma foundations/tokens + auto-layout components and modular CapCut templates—to produce high-volume, multi-format assets quickly while maintaining brand consistency and clarity.”

“Backend Java developer who built an end-to-end upcoming payments feature: Spring Boot/Hibernate microservices with MySQL query/index optimization and Kafka event publishing, plus a web UI timeline component enabling users to view, skip, and edit scheduled payments with clear status indicators.”

“Full-stack/product-leaning engineer in logistics and high-traffic portals who ships production AI features: built an AI-assisted shipment status Q&A system using Pinecone + GPT-4 and a high-volume Python ingestion pipeline (500K+ records/day), delivering 35% fewer support tickets and cutting resolution time from 11 to 4 minutes. Also led a legacy Angular-to-React/TypeScript rebuild that boosted Lighthouse performance from 60 to 90, and has hands-on AWS EKS operations experience including resolving a 3x traffic scaling incident.”

“Unity developer with hands-on Meta Quest VR experience across two distinct domains: an ASD-focused therapeutic experience (shopping scenario and calming room) and an escape-room game designed to train students’ soft skills. Also customized a Scrabble-style word game plugin with multilingual support and English dictionary selection, and leverages Claude Code/Copilot to implement and debug unfamiliar networking features.”

“Full-stack engineer who has delivered production customer analytics/dashboard features using Next.js App Router + TypeScript on the frontend and Java Spring Boot microservices on the backend. Demonstrates strong production ownership (monitoring latency/error rates/adoption) plus hands-on performance work across React rendering and Postgres query/index optimization, and has implemented Temporal-like durable workflows with retries and idempotency.”

“Built and deployed a production RAG-based clinical decision support assistant at MedLib, focused on fast, trustworthy answers from large medical documents. Demonstrates deep practical experience improving retrieval accuracy (semantic chunking + metadata-aware search), controlling hallucinations with grounded generation and thresholds, and adding clinician-requested citations using chunk metadata, with evaluation driven by healthcare professional review.”