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Onyedikachi
Onu

Software Engineer · DevOps · Cloud & Infrastructure — Enugu, Nigeria.

available for hire

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[dns] resolved · who answers this domain

The human behind the host

I build backend systems that stay up and pipelines that ship themselves. Software engineer with 5+ years of experience, specialising in backend engineering and cloud-native infrastructure. Currently keeping a high-traffic multi-tenant platform at 99.9% uptime at Royalti, after years of teaching the next generation of Nigerian developers how to debug their first apps. KCNA and AWS certified; happiest somewhere between a NestJS service and a Terraform plan.

TypeScriptJavaScriptPythonNode.jsNestJSNext.jsFlaskPostgreSQLMySQLMongoDBAWSKubernetesDockerTerraformGitHub ActionsNginxBashDatadog

[auth] 401 → 200 · credentials verified

Papers, please

Certifications

  • Kubernetes and Cloud Native Associate (KCNA)

    Linux Foundation / CNCF · 2026

  • AWS Cloud Practitioner

    Amazon Web Services · 2024

  • AWS Cloud Computing

    ALX Africa · 2024

  • Software Engineering (Backend)

    ALX Africa · 2023

Education

  • B.Sc.Ed — Bachelor of Science in Education

    Nnamdi Azikiwe University, Awka · 2014

  • Diploma, Software Engineering

    AltSchool Africa · 2023

[svc] service mesh · where the request has worked

Services in production

2024-03 → now

Backend & Infrastructure Engineer @ Royalti

Own the multi-tenancy architecture and cloud infrastructure of a high-traffic music-royalties platform.

  • ›Maintain a high-availability multi-tenant architecture at 99.9% uptime
  • ›Rebuilt the notification engine on Node.js EventEmitters — 27% lower API latency
  • ›Architected a headless CMS on Payload + TypeScript, improving frontend rendering speed by 46%
  • ›Design secure REST endpoints and webhooks for cross-system data sync
  • ›Manage AWS deployments with a focus on scalability and cost

2023-08 → 2024-03

Backend Developer (Intern) @ Royalti

Drove the first multi-tenancy implementation and core CRUD surface.

  • ›Designed 8 scalable CRUD endpoints used daily by 20+ developers
  • ›Linted the codebase and wrote JEST integration tests

2021-12 → 2025-08

Manager · Web Development Instructor @ IGNA ICT Consulting (NIIT Enugu)

Ran technical operations and taught web development to 100+ students.

  • ›Mentored 100+ students in web technologies and debugging
  • ›Graduated 3 classes with 80% of students above the certification average
  • ›Digitised internal administrative workflows

[db] query returned rows · selected work

Results from the database

Swipe

backend

Secure payment-processing backend integrated with Stripe for automated transactions, customer records and checkout workflows. Deployed on AWS EC2 with shell-scripted environment setup and RDS-backed persistence.

Python · Flask · Stripe API · AWS EC2 · SQLite

source

Learnx

backend

Scalable learning-management-system backend with role-based access control and dynamic course content delivery.

NestJS · TypeORM · MongoDB · TypeScript

source

Scisr

fullstack

URL-shortening web application with QR-code generation, user authentication, link history and simple analytics.

TypeScript · Node · MongoDB · Mongoose

sourcelive

Klinik

fullstack

Hospital management system — ALX portfolio project covering patient records and appointment flows.

JavaScript · Node · React · MongoDB

sourcelive

SELECT * FROM projects; →

[logs] tail -f · recent writing

From the logs

03 Jul 2026 · devops, node, scalability

Lessons from keeping a multi-tenant platform at 99.9% uptime

Two years of running multi-tenancy in production: what broke, what saved us, and why the notification engine had to be rebuilt.

03 Jul 2026 · architecture, nestjs, portfolio

Why your portfolio should be a headless CMS

Hard-coding your projects into JSX means redeploying every time you ship something new. There is a better way — and I built one.

[200] OK · response delivered

Your turn to send a request

Roles, contracts, collaborations, or a question about something I built — the form posts straight to my inbox.

↗ github↗ linkedin↗ twitter / x↓ résumé
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