Skip to content
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.

01Build2021 — 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

Read the case study

02Build2022

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

Read the case study

03Build2024 — 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

Read the case study

04Build2026 — 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

Read the case study