Hello!

I'm Haythem Mejri

A Full-Stack | Backend Developer

Hire me My DevFolio

Hello!

I'm Haythem Mejri

With more than 12 years of experience

Hire me My DevFolio

About

About Me

With 12+ years of experience in full-stack, backend, and mobile development, including 5 years in technical leadership. Specialized in delivering high-quality solutions. Proficient in JavaScript, TypeScript, ReactJS, and Node.js. Solid experience in PHP, Java, and Python. Experienced with cloud platforms like AWS, Google Cloud, and Microsoft Azure.

  • Name: Haythem Mejri
  • Address: Tunis, Tunisia
  • Email: haythemmejri05@gmail.com
  • LinkedIn: haythem-mejri
  • Phone: +216 22 574 416

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Resume

Resume

Experienced full-stack developer with 12+ years of expertise in web, mobile, and backend solutions, driving impactful results across various platforms and technologies.

2022-2024

Full Stack Developer

Space48

  • Executed a comprehensive redesign of e-commerce sites on BigCommerce, focusing on mobile responsiveness; and enhancing the overall shopping experience.
  • Architected robust API solutions on Google Cloud Platform and Microsoft Azure, enhancing system integration across platforms.
  • Diagnosed and resolved over 100 bugs for BigCommerce-hosted websites, implementing systematic improvements that enhanced user experience and boosted customer satisfaction scores.
  • Implemented new features and integrated payment options on existing BigCommerce stores.
  • Conducted in-depth analysis of incident patterns on backend APIs on Microsoft Azure, which facilitated the refinement of support processes and increased the resolution speed of incidents by more than 50%, benefiting overall service delivery.

Technologies: HTML, SCSS, Typescript, JavaScript, ReactJS, Node.js, Next.js, BigCommerce, Azure, GCP, Git

2019-2022

Full Stack Developer

Vista

  • Crafted a frontend package, enhancing user support during website navigation through chat interactions.
  • Headed the crafting of complex system enabling users to initiate phone contact interaction with support teams in the Vistaprint, improving the AHT metric by 150%.
  • Created and deployed the help center and contact frontend pages for Vistaprint websites, streamlining customer inquiries and support access.
  • Led a team of four software engineers, managed project timelines and delivered mentorship.
  • Designed scalable architectural designs for backend applications leveraged by geographically distributed customers, resulting in a 60% reduction in system latency.
  • Authored comprehensive technical guides for cross-functional teams, facilitating knowledge transfer and resulting decrease in onboarding time for new engineers.
  • Drove the cloud migration project Google Cloud Platform to AWS to enhance operational efficiency.
  • Served as security co-chapter lead, ensuring 100% compliance with organizational security standards.

Technologies: HTML, CSS, JavaScript, Typescript, Go, ReactJS, Angular, Gatsby, Node.js, Express.js, Docker, Kubernetes, AWS, GCP, Git

2014-2019

Mobile Developer

ip-label

  • Increased testing efficiency by resulting from designing an automation testing platform for mobile applications.
  • Produced and optimized the iOS version of the Internet performance measurement app.
  • Implemented native frameworks for real user monitoring to analyze mobile app performance.
  • Managed and mentored a team of mobile developers, ensuring deliveries met project deadlines.
  • Partnered with cross-functional teams on continuous integration and technical specifications.
  • Engaged with clients to understand requirements and instilled the best development practices.

Technologies: iOS, Android, Objective-C, Swift, Java, Iron Python, JavaScript, jQuery, C#, .NET, Shell, MySQL, Node.js, Jenkins, SVN, Git

2012-2014

Web Developer

DataBiz

  • Conducted the implementation of a ticket management application for 20֡ call center agents, leading to a significant increase in team efficiency and a 20% decrease in ticket backlog.
  • Produced a Skype integration plugin that streamlined communication of critical alerts to R&D teams, boosting team engagement and facilitating immediate responses to issues.
  • Revamped over 10 pages and components of the corporate website, enhancing overall customer experience.
  • Created a user-friendly web and mobile interface for tracking vehicle inspections by professionals, improving operational efficiency.
  • Crafted a professional event website showcasing detailed itineraries, speaker profiles, and photo galleries, resulting in a user-friendly interface.

Technologies: HTML, SCSS, PHP, MySQL, Java SE, Swing, Java Sockets, JavaScript, jQuery, WordPress, MySQL, Oracle, RCS, Git

2011-2012

Web Developer

Expertsweb

  • Constructed three e-commerce websites, achieving rapid deployment timelines that allowed all three sites to go live within a 12-week timeframe, enhancing the market entry strategy.
  • Produced JavaScript jQuery components to unlock new capabilities for customers.
  • Architected back-end systems for e-commerce websites, improving data management processes.
  • Mentored three university trainees and one junior developer, fostering technical growth and a notable increase in project completion rates.

Technologies: HTML, CSS, JavaScript, PHP, CodeIgniter, jQuery, MySQL

2007-2009

Web Developer

Artifexsoft

  • Integrated Photoshop designs into responsive web pages, ensuring multibrowser compatibility and improving user experience.
  • Engineered tailored e-commerce websites with PHP and CMS frameworks for diverse clients.
  • Integrated and configured online payment systems to enhance checkout functionality.
  • Optimized websites for SEO, improving visibility and search engine rankings.

Technologies: JavaScript, PHP, jQuery, MySQL, Joomla, OS-Commerce, PrestaShop, Magento, Photoshop

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Services

Services

Offering full-stack development, backend solutions, and mobile app development to bring your ideas to life.

Full-Stack Developement

Mobile App Development

DevOps & Infrastructure

Skills

My Skills

Below are my core technical skills that I bring to every project.

Programming Languages

JavaScript

Typescript

PHP

Java

Python

Go

C#

Ruby

Web Development

Html5

CSS3

SCSS

Bootstrap

Node.js

ReactJS

Next.js

Express.js

Angular

Vue.js

BigCommerce

Gatsby

Rails

Handlebars

CodeIgniter

Mobile Development

iOS Objective-C

Android Java

DevOps

Docker

Kubernetes

Gitlab CI/CD

Terraform

Serverless

Cloud Platforms

AWS

GCP

Azure

Databases

MySQL

MongoDB

PostgreSQL

Oracle

SQL Server

SQLite

DynamoDB

CosmosDB

Logging & Monitoring

New Relic

CatchPoint

Prometheus

Sumo Logic

Testing

Selenium

Appium

Cypress

JMeter

Lambda Test

BrowserStack

Projects

My Projects

I specialize in creating innovative, scalable solutions across web, mobile, and backend platforms. From building seamless e-commerce websites to developing powerful backend systems, my projects are crafted with a focus on performance, user experience, and cutting-edge technologies. Each project reflects my commitment to delivering high-quality, maintainable code that meets both client and user needs.

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I'm Available

I'm fully equipped for freelancing and full-time remote positions.

Hire me

Contact

Contact Me

If you are looking for a dedicated and skilled developer to join your team, feel free to contact me at haythemmejri05@gmail.com. I look forward to connecting!

Address

Tunis, Tunisia

Contact Number

+216 22 574 416

Email Address

haythemmejri05@gmail.com

LinkedIn

haythem-mejri