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Hello There

I am Roberte Onguene.
Freelance Front-End developer & UI/UX designer.

About

More About Me

« You can’t use up creativity. The more you use, the more you have. »
Maya Angelou

Hi!

Freelance Front-end Developer with experience delivering human-centered design for large projects. I Have a total of thirteen years experience in engineering , beginning as graphic designer , webmaster and now as UX/UI Developer designing and implementing production ready software to end-users. 

I participated in a number of startup projects in financial, gambling and Non-profit Web3 organisation holding a role of lead front-end/ux.
I love solve User Experience pain points, while creating beautiful, and exciting User Interfaces that keep people engaged.

I've Got Some skills.

  • 100%
    HTML5
  • 100%
    SASS/CSS3
  • 80%
    Javascript
  • 75%
    Angular JS
  • 70%
    React
  • 70%
    NodeJs
  • 75%
    Wordpress
  • Tools

    VS code, GitHub, Npm, Starck Overflow, Slack, Jira, Trello, Miro

  • 85%
    Figma
  • 90%
    Illustrator
  • 85%
    Photoshop
  • 90%
    Indesign
  • Core Competencies

    User interviews, Persona, Brainstorming, Sketching, User Journey, User Flow, Wireframing, Prototyping

My Work Experience.

July 2020 - January 2023

Leyline ( California - USA )

Freelance - Frontend React Developer

I work with Leyline, an NGO focused on fighting extreme poverty and creating sustainable income through crypto and web3 technologies.

  • Tranform mockup into HTML/CSS/Javascript and animations
  • Development of new features, bug fixing and refactoring with React
  • Creation of UI/UX with Figma
  • React
  • HTML5
  • CSS3 (SASS)
  • Firebase
  • GraphQL
  • Figma
  • Yarn
  • Git

March 2022 - July 2022

Leyline ( California - USA )

Freelance - Team Lead UX-UI
  • Lead and managed team of designers for the creation for creating and implementing user-centered designs for the websites.
  • Creation of mockup on Figma , style guide.
  • Collaborate with other stakeholders such , product managers, developers, and business leaders to define and implement the project's objectives.
  • Keep up-to-date with the latest design trends, technologies, and best practices in UX/UI design to ensure the team is producing high-quality, innovative work

February 2019 - April 2021

Clickatell (Toronto - CA)

Front-End Developer / UI

I was working in a development teams work in a fast-paced, agile, DevOps environment continuously pushing features and enhancements. As a Front-End, I joined an agile team of versatile developers working on an administration portal of the core messaging platform of Clickatell.

  • Utilize advanced Angular development experience in the development and maintenance of user interfaces and client-side web applications on our commercial and internal platforms.
  • General system maintenance to improve the structure and maintainability of the platform.
  • Creation of POC
  • Work with UI/UX design team and take their designs and convert to reality
  • Angular
  • HTML5
  • CSS3 (SASS)
  • Javascript
  • Java
  • GitLab
  • Bower
  • NPM
  • Figma

March 2017 - May 2018

Betclic Everest Group ( Paris - France )

Lead Frontend Developer
  • Report to the manager
  • Follow-up the backlog
  • Assign tasks
  • Animation of the stands up and the daily of the team
  • Demo at the end of the sprint

December 2011 - May 2018

Betclic Everest Group ( Paris - France )

Frontend Developer

I was hired at Betclic to manage the frontend of the various existing sites and webapp (sport, poker, casino, turf...). A total redesign of the design was also done during my mission.

  • Responsive WebApp and Mobile First Development (Angular)
  • Integration of new features for the website
  • Implementation of the Front-End Workflow (Gulp, Sass, Git, ...)
  • UX optimization for the different sites and products of the company
  • Prototyping to be A/B test (via abtasty)
  • POC, wireframe mock-up
  • Angular
  • HTML
  • CSS3 (SASS)
  • Zeplin

Portfolio

See My Latest Projects.

Great things are done by a series of small things brought together.”

Vincent Van Gogh

Betclic

Front-End

Redesign a webapp to improve its user experience

v

Clickatell

UI Developer

Implement the new design for the application "Control".

Leyline

UI Developer

Focus on creating wireframe and design for a NFT Charity website

My offer

Let's collaborate together

"Are you looking for a freelancer who can help you achieve your business goals? You're in the right place! With my expertise and experience, I can offer you a customized solution that will perfectly meet your needs. Whether it's web design, software development, or any other digital project, I'm ready to put my skills to work for you."

Development of your website and web application

  • Design and development of innovative and user-friendly user interfaces for your websites and mobile applications

  • Optimization of the user experience by ensuring a fast and responsive user interface

  • Ensuring the integration of the user interface with the backend and APIs

  • Professional experience in Front-End development using CMS and plugins such as WordPress, Prestashop, Webflow or others.

Creation of your mockups (UX-UI)

  • Designing wireframes, mockups, and prototypes based on in-depth research on users and industry trends

  • Creating aesthetic and ergonomic user interfaces that improve the user experience and increase user engagement

  • Collaborating with developers to ensure the effective integration of the user interface with the backend and APIs

  • Conducting user testing to evaluate the effectiveness of the user interface and identify areas for improvement.

Creation of visual identity and graphic charter

  • Designing visual identities and graphic charters for clients based on in-depth research on their brand, target audience, and competitors

  • Creating original and innovative designs that effectively represent the client's brand

  • Designing communication materials such as business cards, brochures, PowerPoint presentations, etc. using the established graphic charter

  • Working closely with clients to ensure that their vision is well understood and integrated into the design.

Journal

Latest From The Blog.

Here i will relate about the conversion of a VW T1 ! We are building our home on wheel. Stay tuned!

IN PROGRESS...

Contact

Say Hello.

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Phone

Phone: (+33) 6 61 59 11 88

Email

roberte.onguene@gmail.com