Oluwaferanmi Adeniji
role:Product Engineerlocation:Lagos, Nigeriapronouns:he/himBio
I help businesses build software that actually works for their users. I take ideas from concept to production and make sure what ships is worth shipping.
Skills & Tech Stack
Featured Projects
A zero-knowledge secret manager with client-side encryption. Includes a Go API, TypeScript SDK, Cobra CLI, and TanStack Start dashboard featuring a custom crypto engine.
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End-to-End Encryption with AES-256-GCM and Argon2
CLI tool for seamless CI/CD secret injection
Self-hostable backend written in Go
Secure Team Sharing and Role-Based Access Control
A terminal-based YouTube Music player with offline playback and high-resolution Kitty graphics. Built using a hybrid architecture with a Go TUI and Python sidecar.
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Offline caching and playback support
Native Kitty terminal image rendering for album art
Vim-like keybindings for ultra-fast navigation
Python sidecar for robust YouTube Music API extraction
A SaaS platform for tracking contractor licenses. Led a full frontend and backend overhaul, including schema migration, license worker rewrite, and integration of Polar billing and Resend email.
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Org-level License Tracking
Expiration Notifications
Billing Integration
Staging Environment
Email Infrastructure
A high-performance HTTP server framework built from scratch in TypeScript. Inspired by Express and Fastify to deliver blazing speed and reliability.
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Just-in-Time (JIT) compilation for extreme routing performance
Zero-dependency core architecture
Radix tree routing for high-speed URL matching
Built-in middleware support and response streaming
Fully type-safe context and request handlers
A pragmatic CLI tool designed to cleanly inline Node dependencies directly into a vendor/ directory in your repository. It acts exactly like standard workspace management but gives you total ownership over the raw source code of the dependencies you pull.
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Intelligent Package Manager Detection (npm, yarn, pnpm, bun)
Zero Configuration non-destructive integration with package.json workspaces
Diff & Patch Generation for seamless local hacks and emergency fixes
Smart Upgrades that intelligently fetch new versions and attempt to re-apply local modifications
Experience
Designed and implemented a robust booking system supporting partial payments and intricate multi-role logic (host, user, admin), significantly enhancing transaction flexibility and platform security.
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Built onboarding, profiles, listings (add, update, delete), and collections system.
Integrated Better-Auth, PostHog tracking, and blog (Sanity + Next.js).
Used Hono, Turso, Drizzle, Cloudinary, and Cloudflare stack.
Implemented secure cookie handling, Cloudflare DDoS protection, and privacy-safe API integrations.
Architecting upcoming systems: messaging, negotiations, payouts, credit system, KYC, and geo-contenting.
Led the end-to-end development of a global IELTS practice test grading platform from conception, enabling expert feedback on essays and speaking modules.
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Architected and implemented a high-performance, scalable full-stack solution using Next.js, Hono, and Cloudflare's serverless stack (D1, R2, KV, Durable Objects) for optimal efficiency and global reach.
Developed comprehensive grader and student dashboards, an in-app notification system, and robust media handling (audio/video) to streamline user workflows and content delivery.
Engineered a sophisticated, fair grader-distribution algorithm and a bi-directional review system to ensure equitable workload and quality control.
Implemented TanStack Table for efficient management of large datasets and crafted a responsive, custom UI with Tailwind CSS and shadcn/ui to enhance user experience.
Established CI/CD pipelines to automate deployments and streamline development workflows, supporting continuous feature delivery.
Transformed a static template into a full-featured, dynamic beauty e-commerce store using Astro, enhancing product presentation and user engagement. Integrated backend API and secure payment systems, ensuring a seamless end-to-end checkout experience and driving sales.
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Integrated backend API, payment systems, and dynamic product logic.
Used Tailwind CSS and Bootstrap to extend the original UI.
Handled deployment and ensured full checkout flow worked end-to-end.