Contributor to the open-source project:

Working with a large Elixir/Phoenix codebase.

Contributing to a high-traffic, production-grade product.

Handling database tables containing millions of records.

Optimizing some queries up to 20 times.

Identifying unnecessary API calls and reducing them by 75% in production.

Handling APIs with mass transactions.

Optimizing queries with cache system(ETS table/Redis).

Encrypting/decrypting sensetive database columns.

Queueing and scheduling jobs using oban.

Working on Websockets events.

Uploading and deleting s3 bucket files.

Minimizing code duplication through the use of macros and meta-programming.

Identifying and fixing big security issue on the server side.

Implementing features from-back end to front-end as full-stack developer.

Building the Smoking Cessation server side which is a Qatari government project to help people quitting smoking.

Using Redis to cache data and to schedule jobs(BullMQ).

Building different types of chat using Socket.IO.

Using multiple azure services like azure blob and azure text to speech.

Working on a microservice to add more features to auction web site.

Working with the Trust-IT team to add a payment system specifically to the KSA users.

Building API of a mobile application to help the users quit smoking (POC).

Reworking the Kickwin API.

Kickwin is a mobile application to mange different types of tournaments.

Optimizing React website performance and adding new features to NodeJS API.

Working with Mindlinks to debug & modify website.

Working with E-T-A to create a platform to identify product components and to track the products mistakes origin using Laravel 6 & Vue.js 2.

Smoking cessation

Building an API to help users quit smoking.

AKWANT

Building a server to provide a solution to "know better your customer".

Adding a payment system specifically to the KSA users using PayTabs.

Fully Reworking the Kickwin API which is a mobile application to mange different types of tournaments.