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Acquiring signal · Lagos 6.45° N 3.39° E

Adefemi Oseni

◉ Now orbiting · Portfolio v2026

Adefemi Oseni

Senior software engineer · full-stack explorer · shipping from Lagos, Nigeria

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Landmark 01StratosphereAlt 12,000 m · 6.45° N 3.39° E

I build software that actually works, and works fast.

I'm Adefemi Oseni — a senior software engineer who has spent a decade exploring the full-stack scope of this atmosphere. Backend, frontend, platforms, a startup of my own. I believe in doing a little thing that works (and works fine) over a large thing that doesn't.

Years shipping
10+
Computer Science
1st Class
Founder at Djuix.io
1
Landmark 02The workshopSea level · Bight of Benin

Things I've built, shipped, or broken on purpose.

  • Founder · 2022 — present

    Djuix.io

    A platform that streamlines Django project setup — spin up a production-ready backend in minutes, not days.

    • Django
    • Next.js
    • Docker
    • AWS

  • Senior · Platform

    GraphQL Federation @ Bleacher Report

    Shipped federation upgrades that improved system reliability and dropped error rates. Built a caching service that meaningfully cut load times.

    • Go
    • GraphQL
    • Redis
    • Kubernetes

  • Tutorial series

    FinGreat

    A real fintech app, built in public with GoLang + Next.js. Source on GitHub, episodes on YouTube.

    • Go
    • Next.js
    • PostgreSQL

  • Backend engineer

    RETINA-AI Health

    Backend for a cloud-based AI platform in healthcare. The kind of work where a 500 isn't just a metric.

    • Python
    • AWS
    • FastAPI
Landmark 03The ridgeAlt 2,400 m · Trail marker

Each peak is a layer of context.

  1. 2024 →Senior Software Engineer · Bleacher ReportGraphQL Federation, caching service, security hardening.
  2. 2022Founder · Djuix.ioStreamlining Django project setup end-to-end.
  3. 2021Backend Software Engineer · RETINA-AI HealthCloud-based AI platform in healthcare.
  4. 2019Senior Frontend Developer · KodobeMicro-frontend architecture, reusable Node.js packages.
  5. 2017Web Developer · Achievers UniversityWhere it started. First shipped things.
Landmark 04Ground stationAlt 180 m · Lagos hinterland

Languages and tools that travel with me.

Languages

  • Go
  • Python
  • TypeScript
  • Java
  • JavaScript

Frameworks

  • Django
  • Next.js
  • React
  • Node.js
  • FastAPI

Data

  • PostgreSQL
  • GraphQL
  • Redis
  • MongoDB
  • ElasticSearch

Infra

  • AWS
  • Docker
  • Kubernetes
  • Kafka