# BigSam (Samuel Opeyemi) - Full Engineering & Services Specification Detailed technical specification of engineering services, past performance, and core infrastructure capabilities. ## Introduction BigSam is a high-performance engineering studio focused on the intersection of Web3, Agentic AI, and Growth Systems. With over 6 years of experience in shipping mission-critical code, we prioritize security, scalability, and business impact. ## Core Services ### 1. Full-Stack Application Engineering We build end-to-end digital products from scratch, optimizing for conversion and high-throughput. - **Frontend:** React 19, Next.js 15, Tailwind CSS 4, Framer Motion. - **Backend:** Node.js, Express, Go, PostgreSQL, Redis, Supabase, Firebase. - **Infrastructure:** Docker, AWS, Vercel, CI/CD pipelines. ### 2. Blockchain & Smart Contract Development Protocol-level engineering with a focus on security and efficiency. - **Solana Ecosystem:** Rust, Anchor, SPL Tokens, Jito MEV optimization. - **EVM Ecosystem:** Solidity, Foundry, Hardhat, DeFi protocols, NFT marketplaces. - **Interoperability:** LayerZero, Cross-chain messaging. - **Security:** Zero exploit record over 6 years of delivery. ### 3. Agentic AI & Intelligent Automation Building autonomous systems that think and act within complex business environments. - **LLM Integration:** OpenAI GPT-4o, Anthropic Claude, Llama 3. - **Frameworks:** LangChain, LangGraph, AutoGPT. - **RAG Architecture:** Pinecone, ChromaDB, Vector search optimization. - **Use Cases:** Support copilots, lead scoring agents, autonomous outreach. ### 4. Growth & Performance Engineering Code-driven marketing and conversion optimization. - **Tools:** Puppeteer/Playwright for scraping, SendGrid/Go for outreach, custom analytics tracking. - **Philosophy:** Marketing-First Mindset. ## Technical Archive (Selection of Projects) ### Web3 - **NFT Marketplace Core:** High-volume minting and trading engine. - **Atomic Swap Protocol:** Trustless p2p exchange on Rust. - **Solana Token Launcher:** Custom SPL token logic and management. - **Flash Loan Arbitrage Bot:** Multi-venue price exploit engine on Solidity. - **Smart Contract Wallet:** ERC-4337 account abstraction infrastructure. ### AI & Automation - **AI Support Copilot:** RAG-based context-aware support bot. - **Autonomous Trading Bot:** HFT arbitrage algorithms for crypto. - **RAG Document Parser:** Automated knowledge extraction using LlamaIndex. - **Neural Sentiment Engine:** Real-time market sentiment analysis via PyTorch. - **Multi-Agent Chatroom:** Self-correcting AI task delegation. ### SaaS & Fullstack - **SMS Gateway API:** Real-time communication rail. - **Fintech Ledger Sync:** Idempotent bank reconciliation system. - **SaaS Billing Microservice:** Scalable subscription management with Stripe. - **Real-time Fleet Tracker:** Asset tracking system using Go and Redis. ## Contact Information - **Lead Engineer:** Samuel Opeyemi - **Email:** mrsamuelopeyemi@gmail.com - **WhatsApp:** [+234 903 179 6142](https://wa.me/2349031796142) - **GitHub:** [yestuue](https://github.com/yestuue) - **Twitter:** [@mrsamuelopeyemi](https://x.com/mrsamuelopeyemi) - **LinkedIn:** [Samuel Opeyemi](https://linkedin.com) - **Primary Domain:** [https://samuelopeyemi.com](https://samuelopeyemi.com)