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Sogeti labs developer-today-v1.1

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Software Engineer : job trends

Publicado en: Software
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Sogeti labs developer-today-v1.1

  1. 1. To be a Software Engineer today (and in the future…) http://labs.sogeti.com/ (and in the future…) Sogeti Labs meeting / 2014 december / @ltguerin ver 1.1
  2. 2. Software Engineer … who’s that guy ? Technology trends Mindset evolutions ? DevOps 2 ? Permanently in evolution ! DevOps
  3. 3. Scripting is now everywhere Even on the server side with Node.js Each year new languages Technology / Languages & programming paradigms 3 Programming paradigms evolution : Procedural oriented programming Event driven programming Object oriented programming (OOP) Aspect oriented programming (AOP) Functional programming : Scala, Erlang, Haskell, F#, Java 8 with Lambdas, … Back to native languages ? C/C++ (old but still at the top ) D (Digital Mars) Go (Google)
  4. 4. In the past : SQL = “one language to rule them all” But now ? No SQL (key/values, document, graph ) Big Data (hadoop, …) New SQL (in memory, …) Technology / Data management 4 New SQL The return of SQL? New SQL (in memory, …)
  5. 5. Mashup is inevitable API is everywhere An application is no longer isolated but integrated into an heterogeneous environment Technology / Architecture API = the new must-have for business “the API economy” 5 “Micro Services” architecture Mashup is inevitable “the API economy”
  6. 6. cf "The Reactive Manifesto" http://www.reactivemanifesto.org/ Application requirements have changed dramatically in recent years We expect … - millisecond response times - 100% uptime - data measured in Petabytes Today's demands are simply not met by yesterday’s software architectures. Technology / Reactive applications 6 yesterday’s software architectures. We want systems that are Responsive, Resilient, Elastic and Message Driven. We call these “Reactive Systems”
  7. 7. Application Lifecycle Management Software Factory Continuous Integration Technology / Industrialization From craftsman to industrial… 7 Quality metrics But keep the “art of coding”! Try to reach the “beauty of code”
  8. 8. Technology / New devices Not only computer ! Internet of the Things M2M RobotsSmartphones 8 Raspberry pi, Arduino, etc… SmartWear Electronic is back ! The developer’s playground ? Drones
  9. 9. Responsive design Users want simplicity ! Technology / User experience SBA (Search Based Application) Navigation & Gestures 9 Story Board And more…
  10. 10. Mindset / Social coding & influences but the response is always in is the developer’s best friend, is the developer’s heaven The developer is sharing a lot of stuff via … - Communities (JUG, GDG, …) - Meetings & events (Devoxx, MeetUP, BBL, etc…) Gurus show the way • Linus Torvald • Martin Fowler Social coding The developer’s job influences : 10 Job - Meetings & events (Devoxx, MeetUP, BBL, etc…) - Blogs - Social networks - Open Source projects • Martin Fowler • etc… The developer’s generation is now the “Y generation” Personal activities - Technology Watch - Learning (MOOC) - Experimentations, - Open Source development… Buzz & fashion Geek ? The “2nd life”
  11. 11. Usable as a SaaS ? Deployable on a PaaS / IaaS ? Enough skills to use Virtual Machines and containers ? What about … • Authentication • Horizontal Scalability Data Storage Mindset / The head in the cloud Is my software cloud ready ? 11 • Data Storage • Multi-tenancy • Sessions management • Logging • Monitoring • Security • etc … Think different, think cloud !
  12. 12. Mindset / Be agile ! (or die) Test Driven DevelopmentXP Best Practices 12 SCRUM Behavior Driven Development
  13. 13. DevOps : the fall of the walls My job is to say « NO » DevOps = Break the wall ! 13 BUSINESS DEV OPS AGILEMETHODS DEVOPS SCRUM DevOps XP
  14. 14. From Continuous Integration … to Continuous Deployment DevOps… The grail quest ? Continuous Integration Continuous 14 Continuous Deployment Continuous Delivery
  15. 15. DevOps = Agile Process + Automation => Tools required ! DevOps… The tools An example with Jenkins & Docker Jenkins output : Not only the “software”, but “Software + Environment” Registry 15 Do not install just “pull & run” ! - Pull image - Run container Host 1 Linux + Docker Host 2 Linux + Docker Host 3 Linux + Docker Host 4 Linux + Docker No Virtual Machine (Linux only) Automated Acceptance Tests User Acceptance Tests Staging & pre- production Production Pull Registry ( images) Push
  16. 16. The end 16
  17. 17. “We need developers more than ever” cf Steve Ballmer / YouTube 17 https://www.youtube.com/watch?v=8To-6VIJZRE

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