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Engineer by trade, analyst by habit.

I am Emmanuel Olowu, a senior full-stack product engineer based in Lagos. I build software end to end and stay with it after launch.

Based in
Lagos, working worldwide
Focus
Product, platforms, data
Studying
BSc (Hons) IT & BIS, Middlesex University London
Building since
2019
Emmanuel smiling outdoors

The longer version

I started out building websites for small businesses, which taught me early that software only matters if it moves something for the person paying for it.

Since then I have worked across the stack and across industries: commerce, fintech, logistics and media. I am as comfortable designing a Postgres schema as I am tuning an animation, and I pick tools for the problem rather than the other way round.

Alongside engineering I am studying Information Technology and Business Information Systems at Middlesex University London. It shapes how I work: I want to know the business question before writing the first line, and I want the data to prove the answer.

How I work

  1. 1

    Start with the question

    Every build begins with what the business needs to learn or earn. Features follow.

  2. 2

    Boring where it counts

    Money, auth and data get proven tools. Novelty goes where users can feel it.

  3. 3

    Ship, then measure

    Small releases, real usage numbers, and changes based on what people actually do.

  4. 4

    Leave it better documented

    The next engineer, or the next me, should not need to guess.

Experience

  1. Jan 2023 - Present

    Senior full-stack product engineer

    Independent, Lagos and remote

    Designing and building products end to end for startups and established businesses in Nigeria and the UK.

    • Shipped an eSIM commerce platform, a lending portal and several content-managed brand sites
    • Introduced typed APIs, CI checks and preview deployments across client codebases
    • Built reporting and dashboards that replaced manual spreadsheet workflows

    TypeScript / React / Python / PostgreSQL

  2. Jun 2021 - Dec 2022

    Lead backend engineer

    StoreZed, Lagos

    Led the backend for a commerce platform with an integrated merchant wallet.

    • Rebuilt the wallet on a double-entry ledger
    • Integrated payment providers with idempotent webhooks and automated payouts

    Python / Flask / Redis

  3. Mar 2019 - May 2021

    Web engineer

    Meridian Tech Solutions, Lagos

    Built and maintained marketing sites, custom WordPress themes and small web apps for clients.

    • Delivered custom themes and plugins for a range of client sites

    PHP / WordPress / JavaScript

Education

  • Sept 2024 - Present

    BSc (Hons) Information Technology and Business Information Systems

    Middlesex University London

    Information systems, data and business analysis alongside software engineering.

  • Jan 2019 - Dec 2021

    Advanced Diploma in Software Engineering

    Aptech Computer Education

    Programming, databases, web and application development.

Tools I reach for

Chosen per project. These are the ones I know deeply enough to ship with.

Product and frontend

Interfaces that feel fast and stay maintainable.

  • TypeScript
  • React
  • Next.js
  • TanStack
  • Tailwind CSS
  • Flutter

Backend and APIs

Services, integrations and the parts that hold money.

  • Python
  • Flask
  • FastAPI
  • Django
  • Node.js
  • Laravel
  • REST
  • Webhooks

Data and BI

From raw tables to numbers people trust.

  • PostgreSQL
  • SQL
  • Redis
  • Data modelling
  • Metabase
  • Power BI

Infrastructure and delivery

Getting it live and keeping it there.

  • Docker
  • Vercel
  • AWS
  • Supabase
  • GitHub Actions
  • Cloudinary

AI

Practical AI in products and in the workflow.

  • Claude
  • OpenAI
  • Retrieval
  • Agents
  • Evals

Want to work together?