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Sidiki SakoSS

Sidiki Sako

Mobile Developer Flutter / Firebase / Typescript

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sidiki

📱 7 years of career in IT project management and mobile application development:
  • 5 years in ESN / SS2I: sectors covered (Telecom, BTP, Education, public sector, multimedia and entertainment)
  • 2 years in Investment Banking

Today, I offer my Full Stack developer skills (Flutter / Typescript) to companies to support them in their web and mobile application development projects.

👨🏾‍💻 My services:
- Develop an iOS / Android or web mobile application from scratch.
- Set up the project architecture
- Deploy the application on the stores.
- I have a Full Stack profile, so I can work on the Backend (Typescript) or Frontend (Flutter) part depending on your needs.

⚙️ My skills:
- Flutter / Dart (Provider, Riverpod, BLOC, Dio, UI/UX, Responsive, Clean architecture...)
- Firebase (Push notification, Storage, Authentication, Firebase functions, Crashlytics...)
- Backend: Typescript, NodeJs / Bun, Elysia.js, Prisma ORM, PostgreSQL.
- Organization: Agile methods, Git, Trello, Notion, Jira.

💬 How can I help you? If you have questions or if my profile interests you, do not hesitate to contact me. I will respond quickly 🙂
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • KILOUTOU
    Flutter Developer
    RETAIL (LARGE RETAILERS)
    April 2023 - Today (3 years and 2 months)
    Paris, France
    Kiloutou is a company specializing in the rental of BTP equipment. The company wants to implement tools to easily manage and track the rentals, uses, and states of machinery on different construction sites.

    1) Achievements
    • Development of mobile applications and the website
    • Responsive design
    • Implementation of a machine reservation system (calendar, machine availability)
    • Machine geolocation system
    • Management of access rights to machines
    • Functional testing and bug fixing
    • Login with email / password and implementation of the password recovery feature
    • Implementation of security rules for passwords (length, special characters, uppercase, lowercase, and number)
    • Tracking user actions with Firebase and Google Analytics
    • Use of the camera for taking photos during machine usage.
    • Connection to the Kiloutou API and writing requests in TypeScript
    • Internationalization of applications to have them in multiple languages (French and English)
    • Implementation of the design system

    2) Tools used
    Jira, Postman, Figma, PgAdmin, Swagger, Git & Github, Vs Code, Slack, Docker, Firebase Analytics.

    3) Skills mobilized
    Api testing, App Analytics, Web and mobile application development, Design system integration, Reporting and bug fix tracking, assistance in product backlog management, Feasibility study, Agile method, SCRUM.
    Flutter Dart Firebase Git GitHub REST API Google Analytics Scrum Postman Typescript
  • Les Petits Chaperons Rouges
    Flutter & Dart Developer
    EDUCATION AND E-LEARNING
    April 2022 - March 2023 (1 year)
    Paris, France
    "Les petits chaperons rouges" is a network of nurseries that wishes to digitize its operations in order to provide the same experience to their employees and all parents across all nurseries.

    1) Achievements
    • Development of mobile applications and the website
    • Implementation of a responsive design on the web application
    • Assistance in backlog updates (writing user stories)
    • Implementation of a system for searching and filtering nursery data (children, events, articles)
    • Implementation of a WYSIWYG editor for writing news and events.
    • Ability to take or import photos and videos
    • Photo editing (cropping and adding stickers to photos)
    • Sending messages between the mobile app and the website
    • Login with email / password and implementation of the password recovery feature
    • Implementation of security rules for passwords and use of a hashing algorithm (bcrypt) to hash and save the history of used passwords.
    • Connection to the nursery API to retrieve data on children, parents, weekly menus, etc.
    • User rights management
    • Tracking of production bugs via Crashlytics
    • Sending notifications to applications via Firebase Messaging
    • Internationalization of applications to have them in multiple languages (French and English)
    • Functionality for printing menus on the website
    • Implementation of authentication with Microsoft
    • Deployment of applications on the stores (Apple App Store & Google Play Store)

    2) Tools used
    Trello, Slack, Vs Code, Android Studio, Firebase, Figma, Git & Github, Postman, Swagger.

    3) Skills mobilized
    SCRUM, backlog management assistance, Api testing, App Analytics, Web and mobile application development with Flutter & Dart, Reporting and bug fix tracking, deployment of apps on Google Play Store and Apple App Store, Agile method.
    Dart Firebase Flutter Crashlytics REST API Postman Swagger Typescript Node.js
  • Le GRIN
    Flutter & Dart Mobile Developer
    SOCIAL NETWORKS
    July 2023 - October 2023 (4 months)
    Paris, France
    LE GRIN is a mobile dating and connection application allowing users to exchange text and multimedia files via private messaging. In addition to numerous filters, the application integrates geolocation, allowing users to see the approximate position and distance of other users.

    1) Achievements
    • Development of the mobile application
    • Prototype and design of the application with Figma
    • Deployment of applications on the stores (Apple App Store & Google Play Store)
    • Creation, modification, and deletion of user accounts
    • Instant messaging between users
    • Ability to take or import photos
    • Authentication by phone number
    • User rights management
    • Tracking of production bugs with Sentry
    • Sending notifications to applications via Firebase Messaging
    • Internationalization of applications to have them in multiple languages (French and English)
    • Implementation of filtering options (age, gender, country, distance)
    • Ability to report a user account to the support team
    • Ability to block a user account
    • Implementation of dark mode / light mode.
    • Implementation of the design system
    • Implementation of the project architecture

    2) Tools used
    Flutter web and mobile, Firebase Phone Authentication, Firebase Storage, Firebase Firestore, Sentry, Figma, Trello, Git & Github.

    3) Skills mobilized
    Development of mobile applications (iOS and Android) with Flutter & Dart, tracking of production bugs with Sentry, SCRUM project management, agile organization, prototyping and design with Figma, geolocation, Firebase.
    Flutter Dart Firebase Sentry Google Analytics User Interface Design User Experience Design

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Education

  • Computer Science Degree
    University Montpellier II
    2014
  • Master's in Consulting and Information Systems Management
    IAE Montpellier
    2017

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