Hau V.
AI Solution Consultant | Fractional CTO
Help startups and indie hackers build secure, reliable, and scalable software, allowing founders to focus on business growth without worrying about technical limitations or system failures. Some of my past projects: - Invygo: a car subscription platform operating in the UAE and Saudi Arabia, serving over 20,000 long-term paying subscribers (from 1 yr), more than 100,000 total subscribers, and managing over 5,000 vehicles. - Ayyeka: a global IoT platform for critical data management, processing more than 3 million data points per hour across the US, Europe, MENA, and Asia. How can I help: - Design or improve scalable and reliable software architectures. - Do improvements for security and compliance requirements. - Build production-ready MVPs. - Build reliable and measurable AI solutions using LLMs, RAG, and agents. Also much experience for fixing hallucinations in AI systems. - Lead cross-functional teams and technical projects to achieve business goals. - Mentor junior engineers. I offer a free 15-minute consultation. Feel free to schedule a call to discuss your product or technical challenges. Keywords: - Backend: Node, Python, NestJS, Hono, Go, GraphQL, REST, tRPC, WebSocket, SSE, WebRTC, etc - Frontend: React, Next, Angular, Vue, TypeScript, Tailwind. - Mobile: React Native, Expo, iOS, Android, BLE. - Data: PostgreSQL, MongoDB, Redis, Supabase, Prisma, Drizzle. - Cloud: AWS, GCP, Cloudflare, Docker, Kubernetes, Terraform, CI/CD. - AI: Generative AI, Agentic AI, Automation, RAG, LangGraph / LangChain, Mastra, Vercel AI SDK, Composio, Embeddings, Vector DBs. - Payments: Stripe, PayPal, RevenueCat, Paddle, Polar, Checkout.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.1k
Billed in all: $565,268$565k
$1.5k in the last 6 months
Across 40 contracts
Earnings, last 30 days
Skill rankings: Top 15% in Angular
Ranked by MRR among everyone on Upwork with the skill.
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- #679NestJS3,757 freelancers · 🇻🇳 #14Top 18%🇻🇳#14 of 99
- #1,041Angular6,816 freelancers · 🇻🇳 #12Top 15%🇻🇳#12 of 88
- #1,670Mobile App Development8,511 freelancers · 🇻🇳 #16Top 20%🇻🇳#16 of 83
- #1,909React Native10,486 freelancers · 🇻🇳 #31Top 18%🇻🇳#31 of 158