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# Karl Vaillant Resume

Know more about me

## Sitemaps

- [XML Sitemap](https://karlvaillant.fr/sitemap.xml): Contains all public & indexable URLs for this website.

## Articles

- [Bonjour tout le monde !](https://karlvaillant.fr/index.php/2025/01/09/bonjour-tout-le-monde/) - Bienvenue sur WordPress. Ceci est votre premier article. Modifiez-le ou supprimez-le, puis commencez à écrire !
- [How to Create Google Font Developer API Key](https://karlvaillant.fr/index.php/2017/06/20/how-to-create-google-font-developer-api-key/)
- [How to Create Google Maps Developer API Key](https://karlvaillant.fr/index.php/2017/06/20/how-to-create-google-font-api-key/)
- [How to Create Online CV and Resume](https://karlvaillant.fr/index.php/2017/06/20/how-to-create-online-cv-and-resume/) - There are various ways for creating online CV and Resume. We recommend to create an online CV using one of our WordPress themes. We will show some basic tips of creating online CV in example of Certy. What you need to remnember is that you need to show yourself in professional and eye catching way

## Pages

- [home](https://karlvaillant.fr/)
- [Page d’exemple](https://karlvaillant.fr/index.php/page-d-exemple/) - Ceci est une page d’exemple. C’est différent d’un article de blog parce qu’elle restera au même endroit et apparaîtra dans la navigation de votre site (dans la plupart des thèmes). La plupart des gens commencent par une page « À propos » qui les présente aux personnes visitant le site. Cela pourrait ressembler à quelque chose comme
- [Blog](https://karlvaillant.fr/index.php/blog/)

## Portfolio Items

- [Certy Decor](https://karlvaillant.fr/index.php/certy_portfolio/certy-decor/) - This text visible only if you will add text in Excerpt section.
- [Certy Art](https://karlvaillant.fr/index.php/certy_portfolio/certy-art/) - This text visible only if you will add text in Excerpt section.
- [Certy Garden](https://karlvaillant.fr/index.php/certy_portfolio/certy-garden/)
- [Certy Tree](https://karlvaillant.fr/index.php/certy_portfolio/certy-tree/)
- [Certy Сactus](https://karlvaillant.fr/index.php/certy_portfolio/certy-сactus/)
- [Certy Chair](https://karlvaillant.fr/index.php/certy_portfolio/certy-item-1/) - This text visible only if you will add text in Excerpt section.
- [Certy Decoration](https://karlvaillant.fr/index.php/certy_portfolio/certy-decoration/) - This text visible only if you will add text in Excerpt section.

## Timeline Items

- [Software engineering](https://karlvaillant.fr/index.php/certy_timeline/software-engineering/)
- [Cairo Bootcamp](https://karlvaillant.fr/index.php/certy_timeline/cairo-bootcamp/) - A free, intensive, 5-week coding bootcamp to learn Cairo from scratch, sponsored by StarkWare. https://www.encode.club/cairo-camp
- [Solidity developer](https://karlvaillant.fr/index.php/certy_timeline/solidity-developer/) - A free, intensive, 8-week coding bootcamp to learn Solidity and blockchain from scratch. https://www.encode.club/solidity-bootcamps Final project: https://github.com/encode-g2-project
- [Front developer freelance](https://karlvaillant.fr/index.php/certy_timeline/design-university/) - For this small mission, I realized a web administration application to handle mobile datas with the firebase framework and React/redux. I integrated the material-ui components to get a smoother visual user interface. #es7 #react #redux #material-ui #firebase
- [Backend developer (senior)](https://karlvaillant.fr/index.php/certy_timeline/school-of-creative-design/) - Inside the operational service team, I worked as a senior NodeJs BackEnd developer for Frichti. I had to develop and manage many micro-services (koajs, websocket and REST) hosted on aws and orchestrated with kubernetes, docker. I modelize some of the data structures on PostgreSQL, Redis and RabbitMQ, Bull to be compliant with the event sourcing
- [Backend developer freelance (senior)](https://karlvaillant.fr/index.php/certy_timeline/backend-developer-freelance-senior/) - I developed back services for the ios mobile App Elityz. The services was developed on firebase cloud functions (push notif, automatic matches between profiles, distance calculation,etc) #es7 #node #firebase
- [Consulting backend and ops freelance](https://karlvaillant.fr/index.php/certy_timeline/consulting-backend-and-ops-freelance/) - Integrated in the IV2 marketplace team (nearly 30 engineers), I worked inside the development team as a senior backend/frontend developer and DevOps expert. My Scrum team which was compound of one product owner, one scrum master, an agile coach and five developers was committed to the scrum framework guidelines (Sprint planning, daily meeting, sprint review
- [Backend developer freelance (senior)](https://karlvaillant.fr/index.php/certy_timeline/backend-developer-freelance-senior-2/) - I developed backend services for the ios mobile App Elityz. I created some REST APIs for the mobile app and I realized automated tasks for computing operations. I had to add external services mapping. I maintained the platform up-to-date and fixed bugs on a daily basis. #es7 #node #firebase #nosql #rest
- [Staff engineer Core Banking](https://karlvaillant.fr/index.php/certy_timeline/technical-lead-developer-core-banking/) - Team Lead WireTransfer squad - Banking [LTC](oct/ 2022 - aug. 2023) As a Team Lead in the Wire transfer squad, I held a pivotal role in driving the successful implementation and execution of various initiatives within the banking tribe. I oversaw a team of skilled professionals, coordinating their efforts and ensuring the achievement of project goals
- [Staff engineer freelance](https://karlvaillant.fr/index.php/certy_timeline/backend-engineer-senior/) - As a senior freelancer with experience in startups, I brought my knowledge and advices in setting the clean architecture pattern within the stack. I ramped up into the codebase in a 4h and pushed my first big optimization query reducing database query execution time by 5. I introduced some best practises in terms of development
- [Co-founder engineer](https://karlvaillant.fr/index.php/certy_timeline/co-founder-engineer/) - All about entrepreneurship, banking and blockchains ^^
- [Co-founder engineer](https://karlvaillant.fr/index.php/certy_timeline/junior-designer/) - Mobile app development for community network for associations. Development of secure REST API endpoints with NodeJS and Express, a webAdmin interface (bootstrap, jQuery and AngularsJs), a web application PWA (web.pickasso.io) and a webportal (open.pickasso.io) . Establishment of Big Data using Couchbase and ElasticSearch. Setting up the Continuous Integration processes with unit tests, auto deployment, docker,
- [Software developer (intermediary)](https://karlvaillant.fr/index.php/certy_timeline/designer/) - Integrated within the web development team, I joined ISTA to improve the strength development of the web portal (internet rich application used by the managers of housing or condominium) as well as application settings for the portal used internally. These programs exploiting recent technology such WEB CSS3, JQUERY, HTML5, I conceive, develop and maintain these
- [Software engineer (junior)](https://karlvaillant.fr/index.php/certy_timeline/creative-designer/) - My goal was to design and develop a Professional web application using technologies based on RIA [J2EE/Flex / Hibernate] and secure/authenticated services [SSO / LDAP] , to afford to make deep defense on all application layers through auditable processes and rights business operations and user interface features. The user interface is shapeable through the business

## References Items

- [edwin ballard](https://karlvaillant.fr/index.php/certy_references/edwin-ballard/) - Your brand is the core of your marketing, the central theme around your products and services.Your brand is not your Logo or your Company Name
- [franklin may](https://karlvaillant.fr/index.php/certy_references/franklin-may/) - Your brand is the core of your marketing, the central theme around your products and services.Your brand is not your Logo or your Company Name
- [Hattie Maxwell](https://karlvaillant.fr/index.php/certy_references/hattie-maxwell/) - Your brand is the core of your marketing, the central theme around your products and services.Your brand is not your Logo or your Company Name

## Clients Items

- [frichti](https://karlvaillant.fr/index.php/certy_clients/client-6/)
- [ista](https://karlvaillant.fr/index.php/certy_clients/client-5/)
- [drm](https://karlvaillant.fr/index.php/certy_clients/client-4/)
- [spendesk](https://karlvaillant.fr/index.php/certy_clients/client-3/)
- [bnp](https://karlvaillant.fr/index.php/certy_clients/client-2/)
- [zealy](https://karlvaillant.fr/index.php/certy_clients/client-1/)

## Catégories

- [Non classé](https://karlvaillant.fr/index.php/category/non-classe/)
- [Category 1](https://karlvaillant.fr/index.php/category/category-1/)
- [Category 2](https://karlvaillant.fr/index.php/category/category-2/)

## Étiquettes

- [API](https://karlvaillant.fr/index.php/tag/api/)
- [Certy](https://karlvaillant.fr/index.php/tag/certy/)
- [CV](https://karlvaillant.fr/index.php/tag/cv/)
- [Experience](https://karlvaillant.fr/index.php/tag/experience/)
- [Google](https://karlvaillant.fr/index.php/tag/google/)
- [KEY](https://karlvaillant.fr/index.php/tag/key/)
- [Online](https://karlvaillant.fr/index.php/tag/online/)
- [Resume](https://karlvaillant.fr/index.php/tag/resume/)

## Categories

- [Art](https://karlvaillant.fr/index.php/certy_portfolio_category/art/)
- [Decor](https://karlvaillant.fr/index.php/certy_portfolio_category/decor/)
- [Interior](https://karlvaillant.fr/index.php/certy_portfolio_category/interior/)

## Categories

- [Education](https://karlvaillant.fr/index.php/certy_timeline_category/education/)
- [Experience](https://karlvaillant.fr/index.php/certy_timeline_category/experience/)