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deveasyclick/README.md

Portrait of Yusuf Adeniyi

Yusuf Adeniyi

Senior Software Engineer · Payments & Backend Systems · Go, Node.js & TypeScript

I build reliable products across the stack, with a focus on payments, backend architecture, and developer tools. Based in Lagos, Nigeria, I work across backend systems and user-facing applications, taking products from early ideas into production.

Portfolio · LinkedIn · Email · Articles

Selected company contributions

These are contributions in employed roles, separate from the independent projects below.

Company & role Selected contributions
ElitesAfrica · Senior Software Engineer Built a multi-provider billing engine with fallback logic, crypto-to-Naira withdrawals, and asynchronous transaction tracking.
Goodkind · Senior Software Engineer First engineering hire; helped take the product from MVP to acquisition. Built personalized video delivery and internal caption-editing tools, and contributed to the Cloudinary-to-Mux migration.
Tilvio · Senior Software Engineer Built Go APIs and real-time fulfillment dashboards, optimized PostgreSQL queries, and implemented Redis-backed caching.

Independent projects

Project What it demonstrates Explore
Iwifunni Flags Environment-specific feature configuration, user targeting, gradual rollouts, and audit history with Next.js, Hono, and PostgreSQL. Website · Architecture
GitX An AI-powered Go CLI for commit messages, pull request descriptions, and changelogs, with user confirmation before committing. Engineering notes
BillPay SDK A stateless TypeScript interface over Interswitch and VTPass, with explicit provider selection and failover. npm: billpay · Engineering notes
DispatchKit — Multi-channel Notification Infrastructure Multi-tenant notification infrastructure with Go, PostgreSQL, Redis, and asynchronous delivery across email, SMS, and push. Website · Engineering notes
Zendo A customer support platform combining a Next.js dashboard, an embeddable widget, and a Go backend. Source
OpenB2B Multi-tenant ordering and invoicing for small wholesalers, using Go, PostgreSQL, and React. Demo
BillPay A full-stack bill payment platform with provider routing, background retries, and reconciliation. Separate from the reusable BillPay SDK. Demo

DispatchKit's repository and website currently retain the Iwifunni name. It is a separate codebase from Iwifunni Flags.

Engineering focus

  • Reliable backends: API design, payment integrations, asynchronous queues, caching, and production debugging.

  • Product ownership: working across backend systems and the interfaces people use.

  • Developer experience: typed contracts, reusable SDKs, command-line tools, and clear documentation.

  • Languages: TypeScript, JavaScript, Go

  • Backend: Node.js, NestJS, Chi, GraphQL, gRPC, WebSockets, message queues

  • Frontend: React, Next.js, Vite, Tailwind CSS

  • Data & infrastructure: PostgreSQL, MongoDB, Redis, AWS, Docker, Nginx, GitHub Actions, Datadog

Writing

Get in touch

Building a product or untangling a backend problem? Reach me at ydeniyi@gmail.com.

Pinned Loading

  1. feature-flags feature-flags Public

    Feature management and progressive delivery for modern applications.

    TypeScript

  2. gitx gitx Public

    GitX is an AI-powered command-line Git assistant that improves developer productivity by generating commit messages, pull request descriptions, and changelogs.

    Go

  3. billpay-sdk billpay-sdk Public

    A unified Node.js/TypeScript SDK abstracting Interswitch and VTPass behind a single interface

    TypeScript

  4. iwifunni iwifunni Public

    A multi-tenant, API-driven notification platform in Go. It lets you send email, SMS, and push notifications through a single REST API, processed asynchronously via a Redis-backed queue.

    TypeScript

  5. billpay billpay Public

    BillPay is a secure and reliable bill payment service built with NestJS, Prisma ORM, PostgreSQL, and Redis, using Interswitch as the payment processor and biller aggregator. With BillPay, users can…

    TypeScript 3

  6. openb2b openb2b Public

    OpenB2B is an open-source, multi-tenant ordering and invoicing platform designed for small wholesalers to manage products, process orders, and track invoices.

    Go