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Nizar Abubaker

7 projects

Selected work

Case studies across enterprise platforms, integration, products and AI. Where a client is confidential, the description is approved for publication and the client is not named.

01Architecture2018 — 2020

A learning platform at national scale

Architecture and delivery of a learning management platform serving N learners across a government organisation — integrated with identity, HR and certification systems.

Client
Large Saudi government organization
Role
Head of engineering & architecture

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02Architecture2014 — 2016

An integration backbone for a multi-system enterprise

Replacing point-to-point integrations between N core systems with contracts, events and a gateway — so data flows once, correctly, and can be traced.

Client
Regional enterprise group
Role
Solution architect

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03Build2021 — Present

A multi-tenant SaaS platform, from first commit

Designing and building a multi-tenant SaaS product on Node.js and PostgreSQL — tenancy, billing hooks, permissions and a deployment pipeline small teams can live with.

Client
Product / company name
Role
Architect & lead engineer

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04Build2022

A consumer mobile app and the backend behind it

A mobile product and its Node.js backend — APIs designed for flaky networks, push notifications and an admin console for the operations team.

Client
Client or product name
Role
Technical lead

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05Build2024 — Present

A document assistant that cites its sources

Retrieval-augmented generation over internal documents, built around one rule: every answer must point to the paragraph it came from.

Role
Product & engineering

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07Build2026 — Present

This website

A bilingual personal site with its own CMS: Next.js, NestJS and PostgreSQL in Docker — built the way I would build it for a client.

Role
Everything

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