Recruiters may heavily use developers. They cannot rest on their laurels. Technologies evolve as quickly as business methods: to improve the efficiency of their actions, they must be continuously trained. To offer a description of the abilities that make the difference, we met Sandra Hurteaux (studio Kaeness), as well as Christophe Ollivier, Marc Boussoulade, and Sami Radi (VirtuoWorks). In addition to their activities, they train students within IFOCOP as part of the Mobile and Web Applications Developer course.
Computer languages, frameworks, and algorithms, essential technical skills
“When Tim Berners Lee invented the World Wide Web in 1989, he made it rest on three pillars,” recalls Sami Radi. Client software (the web browser), server software (the webserver), and a communication protocol for computer networks: HTTP (HyperText Transfer Protocol). The Internet as a whole, as we know it now, is built on these foundations. All current web development technologies are built on this infrastructure. A web developer must therefore understand the interactions between client software (web browsers) and server software to be able to create the web of tomorrow on a solid foundation.”
For developers, this global understanding of how web services work is an essential basis, whether they I would like to specialise in back-end, front-end, or back-end become a full stack developer. Then, mastering web development is based on learning many technologies: HTML, CSS, JavaScript, jQuery, PHP, MySQL, Angular, React… “Impossible to ignore HTML and CSS technologies”, recalls Sandra Hurteaux, Also “if only to have a shared language with integrators” for back-end developers. Front-end developers will then turn to JavaScript and jQuery and different frameworks like Bootstrap. “It is essential to understand the possibilities of CSS3 animations to not do in JS what we can do in CSS, and to reserve the use of JS for interventions on the DOM”. Christophe Ollivier and Marc Boussoulade also cite Angular and React, “frameworks written in JavaScript and acclaimed for their ability to create rich web applications”.
To interact with databases, PHP, MySQL, or even Symfony and the execution of JavaScript via NodeJS are necessary bricks. We can then specialize in developing sites based on content management systems (CMS), whether proprietary or opensource. WordPress is not the N ° 1 CMS by chance, with 33% of market share: “it offers a turnkey solution that is faster to deploy, which does not exclude the realization of specific solutions adapted to the client’s needs.” According to Christophe Ollivier. “Its functional richness and the native openness of its REST API make it a privileged data supplier, just like Drupal; data which will then be consumed by the Ionic, React Native frameworks…”
Whatever developers master technologies, they must understand the concepts of algorithms. According to Sami Radi, “Although the theoretical foundations of algorithms are mathematics, algorithmics applied to the program is above all the art of knowing how to divide a problem into elementary operations Although not losing sight of the ultimate goal, of the program. We apply dozens of algorithms to our daily lives without realizing it. When we get dressed in the morning, we get dressed in the put each item of clothing in a particular order to arrive at the outfit of our choice. So-called rituals of everyday life are what program developers call algorithms. Becoming a developer is learning to consciously do what we all do intuitively.”
Skills evolve to allow developers to find their place in organizations
While technical know-how is necessary, it is no longer sufficient. This change in the skills required by recruiters is due to the structuring of development teams. Team members are more and more specialized. They are therefore needed to communicate more to understand and make themselves understood by their colleagues, whether they are back-end, front-end, or full-stack developers, designers, data specialists, or project management. This communication is essential to the performance of the teams. Sandra Hurteaux quotes the case of a product owner who presents a project to a client: “if a designer and the developers made the models were not consulted, the project might be impractical or very expensive.”. Whatever methodologies are applied, a person in charge of respecting the processes will promote the proper functioning of the teams (a scrum master, for example). Still, each member must be made aware of the importance of communication.
Knowledge of organizational methods is one of these new skills expected by recruiters in IT functions. For Marc Boussoulade, “the agile methods and the Scrum methodological framework maximize the chances of carrying out projects in line with the expressed needs and allow developers to make other stakeholders understand the meaning and challenges of their work”. The values and principles introduced by the agile manifesto and the roles and daily rituals facilitate communication between all stakeholders, within development teams, and between these teams and their clients. Knowing and using these methods correctly implies acquiring new skills, which are now required to integrate into technical services.
Beyond communication skills and knowledge of methods, developers must “cultivate a curiosity of mind,” according to Christophe Ollivier. “This involves the desire not to constantly reproduce what has already worked, but also the desire to be informed. Computer languages are regularly updated, a developer must take the time to learn about these new features. Beyond this necessary watch, it is important to train. This requires familiarity with documentation, but also participation in various gatherings (meetups, conferences, etc.)”.Here again, we will note the importance of communication between peers to build skills. Sandra Hurteaux regularly participates in UX and SEO events and discusses Slack with other experts on the evolution of technology or the possibilities offered by a particular CMS. “Being a developer is not being stashed in a garage as the American series sometimes suggest: Being a designer implies being part of a group. focused on the exchange and solving puzzles thanks to the possibilities offered by ‘joint use of technologies’.
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