
Tarik MOSTEFAI
I'm Lead devloper
About
You are looking for a Mobile Dev Lead / developer (iOS & Android) , with now more than 9 years of experience in mobile. I am at your disposal to meet your needs. I focus on using my interpersonal skills to develop my people skills, which strengthens my ability to work in a team as well as build meaningful, trusting relationships. Furthermore, I aspire to develop my leadership skills and my knowledge of mobile in order to become a major asset for my clients. On a personal level, you will find me naturally passionate, creative, curious and optimistic. Ambitious and determined, I am looking for clients who are as passionate and committed as me.

Mobile Lead Developer & Scrum master.
- Quality: Communication
- Website: www.tarikmostefai.com
- Phone: +33 781 550 547
- City: Nantes, France
- Age: 34
- Degree: Master
- Email: tech.mostefai@gmail.com
- Freelance: Available
Happy Clients
Projects
Hours Of Support
Hard Workers
Skills
below are my main programming languages that I know
Technical Skills
Soft skills
Tools skills
Resume
I focus on using my interpersonal skills to develop my people skills, which strengthens my ability to work in a team as well as build meaningful relationships of trust. I aspire to develop my leadership and knowledge of the Web and mobile in order to become a major asset to the company. On a personal level, you will find me naturally passionate, creative, curious and funny « Be the change you want to see in the world » - Gandhi.
Sumary
Tarik MOSTEFAI
You are looking for a Mobile Dev Lead / developer (iOS & Android) , with now more than 9 years of experience in mobile. I am at your disposal to meet your needs. I focus on using my interpersonal skills to develop my people skills, which strengthens my ability to work in a team as well as build meaningful, trusting relationships. Furthermore, I aspire to develop my leadership skills and my knowledge of mobile in order to become a major asset for my clients. On a personal level, you will find me naturally passionate, creative, curious and optimistic. Ambitious and determined, I am looking for clients who are as passionate and committed as me.
Education
Master of Information system for decision support
2013 - 2015
François Rabelais University
Master of Software Engineering
2011 - 2013
University of Science and Technology Houari Boumediene.
Bachelor of Computer Science
2008 - 2011
University of Science and Technology Houari Boumediene.
Certification
Professional Scrum Product Owner™ I (PSPO I)
2024
Issued by Scrum.org
Professional Experience
Freelance lead developer
July 2024 - Now
Nantes, France
Cetelem app mobile BNP PARIBAS, Nantes, France
- Graphical redesign in Android Kotlin with Jetpack Compose of the entire application. (User journey for tracking their various credits and contracts)
- Application production and store publication (google play store)
Lead tech /developer
November 2019 - June 2024
AMELI application for health insurance, Nantes, France
- Writing User stories with the product Owner and Writing STDs
- Development of the features (Adding the dual authentication functionality (OTP CODE), the chatbot)
- Redesign of existing procedures and migration from Objective-C to Swift and Java to Kotlin.
- Making all procedures accessible according to the General Accessibility Improvement Framework.
- Take the role of scrum master.
- Animation (Reviews, Retrospectives, Poker planning and Integration of the Agile methodology)
- Corrections of production anomalies.
- Correction and analysis of bugs reported by users
Lead Developer
July 2017 - November 2018
Worldline Global, Blois France
- Managing a team of 3 developers for complex mobile project.
- Creation of a fully integrated contactless payment application on the phone.
- Management of an website( Code review, Delivery and monitoring of the product,Writing of the next features).
- Management of the mobile acceptance product
- Tutor of an intern in the final year of the engineering cycle.
Fullstack Developer
September 2015 - July 2017
Worldline Global, Blois France
- Rewriting the mobile payment application as a reusable API that can be easily integrated into all mobile HMIs that want to use immediate payment.
- Addition of the language change module in the mobile app (English and Dutch) and Internationalization of the android & IOS application (French, English, and Dutch)
- Development of modules that allow you to make a payment with several currencies (EUR/YEN/Dollar...).
- Development of a module allowing the management and sending of carrier tickets by email and SMS
- Migration of a web consultation (Management of merchant terminal fleet) in JAVA (Spring MVC)
- Development of a batch to automate the merchant declaration process
- Development of a module allowing the management and sending of carrier tickets by email and SMS
- Development of a module allowing the management and sending of carrier tickets by email and SMS
Portfolio
Below is a portfolio of the different applications I have worked on
- All
- App
- Domain
- Books
Services
Below are the different benefits and services that I offer.
Mobile Development
Mobile application development in native and hybrid languages (kotlin and java for Android, swift and objetive C for iOS and react-native)
Team Leading
Team management, development monitoring and technical environment guarantor
Training
Training on mobile development (kotlin/swift) and awareness of responsible digital technology as well as accessibility
Audit
Analysis of existing applications and implementation of a migration plan
Scrum master
Animation of agile scrum ceremonies and guaranteeing compliance with agile principles
Testimonials
Contact
If you need me, do not hesitate to contact me using the form below
Address
Nantes, France
Call Us
+33 781 550 547
Email Us
tech.mostefai@gmail.com