Vetted GraphQL Professionals

“Backend/AI engineer who built an enterprise RAG chatbot over 40,000+ technical documents, owning the system from ingestion and retrieval design through launch, optimization, and incident prevention. Stands out for treating LLM reliability as a data, retrieval, and observability problem—delivering 90%+ benchmark accuracy, ~50% fewer hallucinations, and major gains in lookup speed and latency.”

“Backend-focused engineer who built Codesdev V1.0 end-to-end, a cloud-native IDE with secure Docker-based code execution across 8 languages and a custom PostgreSQL JSONB virtual file system achieving 34ms retrieval. Stands out for pragmatic early-stage decision-making, hands-on ownership from architecture through incident resolution, and a strong focus on security and low-latency backend design.”

“Frontend-focused engineer with hands-on ownership of complex Angular UI architecture, browser performance optimization, and accessibility remediation. Notably led ADA compliance updates on a public-facing app by rewriting base components around semantic HTML, contributing to major sales wins.”

Antonio Walker

Screened

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.”

SIVA RAMAKRISHNA PALADI

Screened

Mid-level AI/Full-Stack Engineer specializing in agentic AI and RAG systems

Santa Clara, CA5y exp

“Solo builder who shipped two ambitious AI products from scratch: Zoly, a healthcare/pharmacy automation platform with voice agents, RAG, clinician dashboard, and patient app live in 4 months, and Breeth, a contextual memory system for AI agents deployed on AWS. Particularly compelling for teams needing a hands-on full-stack/AI engineer who can operate in ambiguity, design for safety and compliance, and turn complex agent workflows into production products.”

Ali Arsalan

Screened

Senior Software Engineer specializing in frontend architecture and scalable e-commerce platforms

Saudi Arabia9y exp

“Founding engineer at Salla who helped rebuild a monolithic Laravel merchant dashboard into a React/TypeScript Single-SPA microfrontend platform used by thousands of online stores. He combines hands-on frontend architecture, real-time operational dashboard design, and cross-team API/platform leadership, and says he built about 70% of the merchant-facing features in the system.”

“Software engineering intern who built and deployed a full-stack telemedicine platform (React/Node/MongoDB) used daily in a pediatric clinic, incorporating PyTorch-based predictive features. Demonstrated strong customer-facing iteration and production performance debugging—resolved a live slowdown by indexing/optimizing MongoDB queries and adding caching, improving response times by ~50%.”

“Built AI-powered products across both healthcare and financial services, including a privacy-conscious assistant for elderly health check-ins and a production RAG system for high-stakes financial document analysis. Stands out for combining full-stack engineering with strong LLM reliability practices—grounding, structured outputs, fallback handling, monitoring, and human-in-the-loop controls—while delivering measurable impact on accuracy, speed, and system performance.”

“Built and owned an internal AI-powered knowledge assistant that centralized fragmented company knowledge across docs, tickets, and internal systems. They designed the backend, ingestion pipelines, vector search, RAG workflow, and APIs, then drove adoption through pilot testing and quality improvements—ultimately automating roughly 30% of support inquiries and cutting resolution time by about two hours per ticket.”

“Unity gameplay developer and lead engineer with experience spanning mobile-style puzzle systems, VR shooting games, multiplayer networking, and internal content tools. Notably built a visual level editor and web-to-game level pipeline using REST/JSON so non-technical designers could create hundreds of levels, and cites work on a Fruit Ninja project for Halfbrick Studios.”

“Frontend engineer who led an internal React + TypeScript admin dashboard end-to-end, including a collaboratively owned component system and complex RBAC/permissions workflows. Emphasizes scalable architecture and correctness using React Query (mutations + query invalidation), centralized permission logic, and TypeScript for safe evolution, plus performance tuning for data-heavy tables and pragmatic MVP-driven delivery with gradual rollouts.”

“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.”

“Frontend developer who led the COC.ca (Canadian Opera Company) site end-to-end as the sole FE engineer on an AgilityCMS/.NET stack, owning master/page templates, modules, and quality. Emphasizes accessibility and responsive design, performing cross-browser/device testing with tools like JAWS, NVDA, Axe, Lighthouse, and Siteimprove; more recently built a Next.js/React/TypeScript video viewer with modal/video state management.”

“Frontend-leaning full-stack engineer who owned end-to-end delivery for a high-traffic e-commerce web app (millions of monthly users), spanning UI enhancements, performance work, and third-party recommendation API integrations. Built a NestJS microservice integrated with Shopify to tag products (e.g., low stock/sale) and used queuing to handle high-volume order processing, plus created an internal CI/GitHub tool to surface test failures quickly.”

Emmanuel Sarpong

Screened

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.”

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.”

Zoe Meng

Screened

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.”

“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.”

“Full-stack engineer who built WordCon, an AI-powered vocabulary learning platform, end-to-end across React/Next.js, Python, AWS, and GenAI services. Particularly strong at turning ambiguous AI product ideas into structured, scalable systems by combining deterministic learning logic with LLM-powered personalization, and has additional experience modernizing legacy PHP systems into React/Node architectures.”

“Frontend engineer with experience building a technically demanding weather broadcasting dashboard in React and TypeScript, including custom wind-particle map visualizations derived from raw weather data. Demonstrates practical performance optimization in both heavy map rendering and large dynamic forms.”

“Frontend-focused engineer with experience building internal editorial tools at Healthcentral using React, TypeScript, Redux Toolkit, Node.js, and MongoDB. Stands out for simplifying complex CMS workflows and solving real production performance issues, including a JW Player migration optimized with a facade-based lazy-loading approach.”

“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.”

Faisal Hayat

Screened

Senior Python Full-Stack Engineer specializing in AI-powered backend systems

Lahore, Pakistan6y exp

“Backend-leaning full-stack engineer with startup experience building AI-powered products and ERP/SaaS platforms. They’ve delivered Python/FastAPI/Django and React systems on AWS, including an AI document processing platform and business workflow tools used by thousands of users, with strong hands-on depth in database optimization and production operations.”