Freelancer profile translated to English.
Back to original languageAbout Jean Kesnel
As a developer by passion and training, I have developed different types of applications, e-commerce platforms, and others, allowing me to have an innovative approach to the web. Far from the archetype of the grumpy geek, I strive to do everything possible to offer you the most innovative and enjoyable experience.
With over 15 years of experience in web development, I bring you advice and expertise to support you in your web projects.
Through my curriculum and professional background, I have acquired analytical skills and developed my sense of organization. They have also allowed me to familiarize myself with any type of web tool that I may be required to use.
AREA OF EXPERTISE:
✓ Project management, Team management, cost estimation, running meetings/rituals with the development team and project managers, delivery notes
✓ Design and development of complete web applications, using a variety of front-end and back-end technologies to ensure optimal functionality and a smooth user experience.
✓ Team management, technical support, code review
✓ Deployment, testing, and go-live
✓ Development and execution of comprehensive test plans to ensure the quality of the developed software. Working with testing teams to resolve issues and ensure the stability of the final product before go-live.
✓ Application and data migrations
✓ Migration from Coldfusion 9 to Coldfusion 2021, migration from PHP 5.6 to PHP7, migration from Symfony3.2 to Symfony
5.4
✓ Improvement of existing code base, refactoring, code restructuring
English
Fluent
Spanish
Native or bilingual
Can work on-site
Paris (up to 50km), Paris (up to 10km)
Experience
- AgeasCertified Scrum Master | Tech Lead & Full-Stack PHP Symfony DeveloperBANKING AND INSURANCENovember 2019 - Today (6 years and 8 months)Paris, FranceAREA OF EXPERTISE:✓ Project management, Team management, cost estimation, running meetings/rituals with the development team and project managers, delivery notes✓ Design and development of complete web applications, using a variety of front-end and back-end technologies to ensure optimal functionality and a smooth user experience.✓ Team management, technical support, code review✓ Deployment, testing, and go-live✓ Development and execution of comprehensive test plans to ensure the quality of the developed software. Working with testing teams to resolve issues and ensure the stability of the final product before go-live.✓ Application and data migrations✓ Migration from Coldfusion 9 to Coldfusion 2021, migration from PHP 5.6 to PHP7, migration from Symfony3.2 to Symfony5.4✓ Improvement of existing code base, refactoring, code restructuringPROJECTS (WEB APPLICATIONS & API)✓ Funds API: Designed a RESTful API developed on Symfony 6 and PHP 8 to process MorningStar data. This API was used by micro-frontend web services developed on Angular JS.✓ Notifications API: This API is developed on Symfony 5.4 and is used by all our internal applications to notify all our clients, partners, and employees, etc.✓ BackOffice API: Developed on Symfony 5 and API Platform to replace and consolidate all PHP scripts and modules developed in Symfony 3.2, which are used by the Ageas Patrimoine extranet.✓ Auth API: Design and development of the Auth API to secure calls to other APIs and web applications.Design of a RESTful API for generating authentication tokens to secure access to other services.Integration of JWT (JSON Web Tokens) generation and validation mechanisms to ensure request authenticity.
- SILEX TECHNOLOGIESTech Lead & PHP DeveloperMay 2019 - October 2019 (5 months)Development of business web applications specialized in finance using the Symfony4 Framework.Team: 3 developers, 1 project manager, 1 ManagerAREA OF EXPERTISE:✓ Managing a team of 3 developers, helping them improve their skills.✓ Designing the database architecture with Doctrine, and Developing APIs to populate the database with data from another API.✓ Developing various features and rules to access certain application functionalities.✓ Developing graphical interfaces to view database data such as: Barcharts, risk tables, data histories, performance tables.✓ Developing a tool to apply for company job openings and notify relevant parties when a candidate applies.✓ Unit, functional, and integration tests (PHPUnit)✓ Code review✓ Development of a REST API
- BLM SA - GRANTWILLPHP Drupal & Symfony DeveloperApril 2018 - April 2019 (1 year)Development of the Grantwill platform on Symfony 3: Within the BLM SA group, facilitating document transfer, a post-mortem digital safe deposit box for loved ones. Development of the BLM SA e-commerce site on Drupal 8 specializing in the renovation and painting of antique objects.Team: 2 developers, 1 Product Owner, 1 Product Manager, and 1 Business Project ManagerAREA OF EXPERTISE:✓ Development of the Grantwill platform on Symfony 3, as well as its e-commerce modules and the implementation of Stripe payment.✓ Management of order workflows > cart > cart validation > payment > invoice > confirmation by email✓ Development of the BLM SA site on Drupal 8 as well as the online quote e-commerce module and the implementation of the BNP mercanet 3D secure payment system.✓ Optimization of the billing process✓ Optimization of the transaction process✓ Database optimization✓ Generation of accounting CSV exports for the accounting department✓ Unit and functional tests (PHPUnit)✓ Code reviewTECHNICAL ENVIRONMENT:✓ Software: Docker, RabbitMQ, Redis, PHPUnit✓ Environment: PHP 7.1, Symfony 3.4✓ Tools: PHPStorm, Git, Jira✓ Project management tools: Jira✓ Databases: PostgreSQL, MySQL✓ Agile methodology / V-cycle
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Education
- Master 2 in Computer Science ISIM-SIDUniversity of Cergy-Pontoise (UCP)2013Master 2 : Ingénierie des Systèmes Intelligents et Modélisation- Spécialisé en Systèmes Intelligents et Distribués Modélisation, conception et architecture des bases de données et applications.