Hi there,

I am Wael Hasan, an experienced Egyptian Full-Stack Javascript SSE/Team lead, with 10+ years of web development experience, 8 of them using MERN stack.

Proficient in a wide range of technologies including JS, TS, Nodejs, Reactjs, Nextjs, Expressjs, FP, OOP.

Known for teamwork, leadership, problem-solving, and a commitment to continuous learning, with a strong focus on pragmatic solutions and collaboration.

Strive to have a 100% test coverage for frontend and backend projects.

Currenlty searching for an opportunity as a

Backend Nodejs developer

Frontend Reactjs developer

Full-Stack MERN developer

(onsite or remote), so if you have an open role that suits me, it would be great to have a conversation about it.

Download my CV

Why to you hire me?

Passion for being a better software engineer
Passion for learning more about technology in general and JS in particular
Fast learner
Passion for building well engineered useful stuff and see people use it happily
Good team player
A lazy developer that searches for the simplest best way to make the code as reliable, self-documenting, and maintainable as possible; so it takes less effort for any change from me or my colleagues

Why not to hire me?

To do repetitive work, that does not leverage my technical skills
If you work on an industry that contradicts with my faith and believs, or I prefer to stay away from, which are: banking, insurance, racism, porn, weaponary.

Technical skills

Filter by skill nameFilter by skill type

System analysis

Years:6
Level

HTML5

Years:10
Level

CSS3

Years:10
Level

Javascript

Years:9
Level

Typescript

Years:6
Level

System design

Years:6
Level

Nodejs

Years:8
Level

Expressjs

Years:8
Level

RESTful API design

Years:8
Level

Graphql

Years:3
Level

Reactjs

Years:8
Level

Redux

Years:1
Level

Nextjs

Years:5
Level

Jest

Years:3
Level

Cypress

Years:3
Level

Storybook

Years:1
Level

Relational DB design

Years:3
Level

SQL

Years:3
Level

Sequelize ORM

Years:1
Level

Document DB design

Years:2
Level

Mongodb

Years:2
Level

Mongoose ODM

Years:2
Level

Contentful

Years:3
Level

Git

Years:6
Level

Github

Years:3
Level

Linux

Years:5
Level

Bash

Years:5
Level

Design patterns

Years:8
Level

Docker

Years:5
Level

Tailwind CSS

Years:1
Level

Gulp

Years:1
Level

Socket.io

Years:1
Level

Deepstream

Years:1
Level

Redis

Years:1
Level

JSON schema

Years:1
Level

Mocha

Years:1
Level

Chai

Years:1
Level

Enzyme

Years:1
Level

SASS

Years:1
Level

Yeoman

Years:1
Level

Soft skills

Filter by skill name

Teamwork

Years:10
Level

Leadership

Years:2
Level

Humility

Years:10
Level

Problem-Solving

Years:10
Level

Self-starter

Years:6
Level

Pragmatic

Years:10
Level

Communication

Years:10
Level

Collaboration

Years:10
Level

Mentorship

Years:2
Level

Lifelong learner

Years:20
Level

Employment history

Sep 2024 - Current

Freelancer senior software engineer
Self employed (Remote)

Architect, document, develop and maintain web applications and APIs.

System analysis

System design

Nodejs

Reactjs

...

Jan 2024 - Sep 2024

Senior backend MERN software engineer
Unifi Solutions (Remote)

- Participated in the design and implementation of a scalable IoT platform using a microservices architecture with Apache Kafka, Redis, and Kubernetes. - Solution Implementation: Involved in the deployment of innovative software solutions, enhancing system performance and security for top-tier clients. - Technology Integration: Integrated advanced technologies and intuitive interfaces to deliver high-quality, user-centric software products.

Nodejs

Expressjs

RESTful services

IoT

Event Driven Architecture

Mongodb

Mongoose

Jest

Nov 2019 - Aug 2022

Senior Full-Stack JS/TS software engineer
Andela (Remote)

Worked as a contractor SSE with Andela Inc, which outsourced me to work with Understood for All Inc (remotely). I developed, maintained, tested, and documented multiple Front-end(s) and back-end(s), using technologies such as: JS, TS, Nodejs, Reactjs, Nextjs, Graphql, Contentful, ...etc.

Nodejs

Reactjs

Nextjs

Graphql

Contentful

Oct 2018 - Oct 2019

Senior Full-Stack Javascript software engineer
Index Group (Onsite)

Worked for Index Group mainly as a Back-end senior developer.

Nodejs

Expressjs

RESTful services

Mongodb

Mongoose

Deepstream

Feb 2018 - Oct 2018

Freelancer senior software engineer
Self employed (Remote)

Architect, document, develop and maintain web applications and APIs.

Jan 2015 - Feb 2018

Senior Full-Stack software engineer
Asma Systems (Onsite)

Build user interfaces, web services, data layers ... etc. By using: - Node js (Sequelize, Mocha and Chai ... etc) on the back end - Express js and handlebars, Ext js, or React js on the front end. - MongeDB as a database

Nodejs

Reactjs

Aug 2014 - Dec 2014

Java EE developer
Truemega Technology Solutions (Onsite)

Develop and maintain java EE projects, using jsf, primefaces, EJBs ... etc.

Java

JEE

EJB

PrimeFaces

Sep 2011 - Aug 2014

Freelancer developer
Self employed (Remote)

Develop and maintain different types of software systems.

Sep 2010 - Nov 2011

Research assisstant
C.A.I.R.O Center (Onsite)

Image processing development using C++ and OpenCV.

C++

OpenCV

Main projects

Nov 2021 - Aug 2022

Graphql layer
Andela (Backend)

Created and maintained a Graphql Backend layer. It is an intermediate layer, that allows different Front-ends (Web and Mobile) to call a single Back-end layer, which in turn takes care of calling individual specialized RESTful Back-end services, and other third party services.

Nodejs

Graphql

Contentful

Redis

Jest

See more details

Nov 2021 - Aug 2022

Community admin
Andela (Frontend)

An internal Nextjs Front-end for administration tasks related to Wunder App community.

Reactjs

Graphql

Contentful

Cypress

Nov 2020 - Aug 2020

Contentful-chameleon
Andela (Backend)

An internal Nodejs package for mocking Contentful's RESTful/Graphql APIs. Used in e2e tests of other projects.

Nodejs

Graphql

Contentful

Jest

Nov 2020 - Aug 2020

Camgen
Andela (Frontend)

An internal yeoman generator for creating new web Front-ends that depends on a specific Contentful structure, and creates that structure on Contentful on behalf of the user.

Yeoman

Contentful

Jest

Nov 2019 - Aug 2019

Mosaic
Andela (Frontend)

An internal Contentful App which allows content creators to add data that belongs to dynamic content types.

Reactjs

Graphql

Contentful

Jest

See more details

Nov 2018 - Aug 2018

Sekkah system
Freelancing (Both)

Designed the architecture of 'sekkah' system

HTML5

CSS3

Nodejs

Expressjs

Socket.io

Mongodb

Mongoose

Reactjs

Redeux