Promised Killua

Full-Stack Software Engineer & Web3 / AI Developer
Location: Lagos, Nigeria Email: promisedkillua@gmail.com Portfolio: promisedkillua.sbs GitHub: github.com/collinstheegod376 X: @nerfed_killua Telegram: @nerfed_killua

Executive Summary

High-velocity Full-Stack Software Engineer with over 10 months of intensive production experience engineering decentralized Web3 applications, multi-agent AI research systems, high-frequency market tape readers, and real-time multiplayer platforms. Deep expertise in modern TypeScript architectures (React 19, Next.js App Router, Vite, Tailwind CSS), on-chain cryptographic integrations (@solana/web3.js, noble/ciphers, biometrics/WebAuthn), local RAG companion extensions (Manifest V3), and reliable backend APIs (Node.js, PostgreSQL, Supabase). Proven capability delivering production-ready, security-audited code with exceptional UI/UX polish and sub-second load performance.

Technical Proficiency

Core Languages: TypeScript, JavaScript (ES6+), Python, SQL, HTML5, CSS3
Frontend Architecture: Next.js (App Router, Server Actions, SSR), React 19, React Native, Vite, Tailwind CSS (v3 & v4), Framer Motion, Figma
Backend & Databases: Node.js, Express, PostgreSQL, Supabase, Prisma ORM, WebSockets, RESTful APIs
Web3 & Cryptography: Solana Web3 (@solana/web3.js), SPL Tokens, Viem, Cryptographic Primitives (@noble/ciphers, @scure/bip39), Biometric Passkeys (WebAuthn), RPC Streaming
AI & Browser Systems: Autonomous Agent Orchestration, Local RAG (Private Context Memory), Chrome Extensions (Manifest V3), Procedural Inverse-Kinematics Physics
DevOps & Testing: Docker, Nginx, GitHub Actions (CI/CD Pipelines), Git, Jest, React Testing Library, Mobile App Store & Google Play Store Deployments

Featured Production Platforms & Web Applications

Lattice Lab — Autonomous Multi-Agent Materials Science OS 2026
  • Architected a multi-agent virtual laboratory coordinating 7 autonomous AI agents executing an end-to-end scientific research loop: literature retrieval from arXiv, hypothesis formulation, atomic structure simulation, and evidence archiving.
  • Engineered an interactive Operator Console, research publication archives, live token telemetry, and low-latency scientific data visualization dashboards.
SolTrace (Sol Tracer AI) — Conversational AI Solana On-Chain Scanner 2026
  • Engineered an open-source conversational AI blockchain scanner for Solana delivering real-time wallet tracking, interactive visual money flow diagrams, drainer risk security audits, and DEX swap analytics.
  • Implemented automated bundle auditing, token intelligence pipelines, and visual transaction path analysis via natural language queries.
Allpad — Live Solana Market Flow Board & Tape Reader 2026
  • Built a high-frequency Solana flow board tracking the top 10 busiest boosted mints by 24h turnover with sub-minute order depth updates.
  • Engineered real-time session readouts highlighting volume breakouts, climb velocities, and market liquidity with a sharp, zero-fluff dark interface.
Anizuki — Real-Time Anime Trivia & Multiplayer Battle Arena 2026
  • Developed a real-time multiplayer anime quiz arena featuring live player lobbies, 6-digit PIN game rooms, instant head-to-head battles, and category playlists.
  • Built real-time score synchronization, player achievement progression, and global competitive leaderboards.
Promised Killua — Full-Stack Software Engineer promisedkillua@gmail.com | promisedkillua.sbs

Open Source Systems & Protocol Engineering

DOT — Sovereign Cryptographic Solana Vault (Open Source) 2026
  • Architected a zero-server, self-custodial cryptographic vault where keys are generated, encrypted, and isolated strictly on the local device.
  • Engineered biometric passkey authentication via device Secure Enclaves, air-gapped QR transaction signing, and native SOL / SPL token asset management.
  • Eliminated all server custody vectors: "Dot holds no keys and runs no servers. Your funds, your device, your call."
Arachnos AI — Local-First Learning Extension & Visual Companion (Open Source) 2026
  • Engineered a private, zero-cloud browser AI companion featuring 60 FPS procedural inverse-kinematic spiders crawling live web pages.
  • Developed on-screen knowledge harvesting via silk tractor beams, private local vector memory, and real-time query answering with 100% provenance.
  • Enforced zero cloud dependency, guaranteeing user browsing privacy and data sovereignty across all sessions.
Wheelrush & Orvix Solana Dev Radar 2026
  • Wheelrush: Built an interactive spin-to-win web game featuring realistic physics simulations, tiered prize algorithms up to $10B virtual cash, and persistent global leaderboards.
  • Orvix: Created a Solana developer intelligence radar aggregating official incident reports and Agave software releases with live auto-refresh, local bookmarks, and raw JSON export.

Professional Experience

Full-Stack Software Engineer | Freelance & Contract 10+ Months Experience
  • Architected and delivered high-performance web applications, decentralized blockchain interfaces, and custom AI tools for clients globally.
  • Ensured pixel-perfect implementation of Figma designs with strict performance budgets (sub-second load times, 95+ Lighthouse scores).
  • Engineered end-to-end full-stack architectures combining Next.js/React frontends with Node.js/PostgreSQL backends and Web3 RPC providers.
  • Implemented CI/CD automation with GitHub Actions, containerized microservices with Docker, and configured reverse proxies with Nginx.
Web Developer Intern | Creative Agency Contract
  • Engineered foundational, high-converting responsive landing pages and component libraries supporting agency marketing initiatives.
  • Collaborated in agile cross-functional sprints, diagnosing cross-browser rendering discrepancies and optimizing production assets.

Education & Professional Practice

Software Engineering & Full-Stack Web Development Continuous Practice & Production Work

Intensive practical mastery in modern TypeScript ecosystems, decentralized finance protocols, generative AI multi-agent architectures, cryptographic systems, and scalable cloud deployments.