BlaBlaTech @ Warsaw

A0a57b404c8b009b6f8dff4722063474?s=47 Christian Jennewein
May 28, 2015
Technology
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BlaBlaTech @ Warsaw

Initial meetup and presentation upon the inception of BlaBlaCar's engineering hub in Warsaw.

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Christian Jennewein

May 28, 2015
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Transcript

  1. 1.

    BlaBlaCar BlaBlaTech @ Warsaw 28 May 2015

  2. 2.

    Summary 1. Who we are? 2. BlaBlaCar? 3. BlaBlaTech? 4.

    Technologies & Projects?
  3. 3.

    Who we are?

  4. 4.

    Christian Jennewein @cestcri https://github.com/cestcri • @ BlaBlaCar since January 2013

    as Tech Manager • Scaling the team & organisation, Agile coach on a daily basis • I won the Polish Ultimate Frisbee Championships in 2009 with GMF
  5. 5.

    Dominika Gierczynska • @ BlaBlaCar since September 2014 as a

    Tech Talent Scout • Helping to find the best IT talents in France & Poland • I was a semi-professional Basketball player
  6. 6.

    Bartłomiej Bąk @brtkbak • @ BlaBlaCar since June 2014. Now

    in Marketing Team • Spread BlaBlaLove in Poland • Already travelled in 5 countries with BlaBlaCar
  7. 7.

    Patrycja Goras @patrycjagoras • @ BlaBlaCar since March 2014 in

    Admin Team • coordinating finance and HR in Poland • Testing the product in real life - avid ride-sharer on Warsaw - Kielce route
  8. 8.

    Benjamin De Bernardi @_GeneSoR https://github.com/genesor • @ BlaBlaCar since October

    2014 as Developer • Fixing & improving stuff on a daily basis • Developing new features with TeamGreen • I’m the youngest employee of BlaBlaCar + competitive paintball player
  9. 9.

    Erwann Robin @diwann • @ BlaBlaCar since November 2013 as

    1st dedicated Mobile Developer • Smooth migration of the old webapps to new native apps • iOS Developer in TeamOrange on a daily basis • I’m a trampoline teacher
  10. 10.

    Michał Pawelec @Michal_Pawelec_ • In BlaBlaTeam since Oct 2012 •

    Country Manager for Poland • happy to make PL team working in best conditions • I was on highest peak of Poland and at the seaside on the same day!
  11. 11.

    Nicolas Tricot @sholine42 https://github.com/sholine • @ BlaBlaCar since March 2014

    as Tech Manager • Scaling the team & organisation • Agile coach on a daily basis for TeamRed and TeamOrange • Arrived the day after BlaBlaBreak 2014…
  12. 12.

    Piotr Zarówny @pzpl https://github.com/pzpl • Previously Scrum Master & Software

    Engineer at GG • @ BlaBlaCar since May 2015 as Tech Manager • Building & leading the new tech team in Warsaw • Been on BlaBlaBreak before arrival…
  13. 13.

    BlaBlaCar

  14. 14.
    None
  15. 15.
    None
  16. 16.

    A Fast Growing Community

  17. 17.

    ...in 19 countries

  18. 18.

    54% join to save money Join for the SAVINGS 80%

    “more affordable” Stay for the SHARING 5x cite social motivations Repeat Passengers versus First Timers: 5.5x cite ecological motivations Love for the FREEDOM 54% feel more mobile 25% closer to loved ones
  19. 19.
    None
  20. 20.

    The BlaBlaCar mission • Vision ◦ Build the biggest global

    social transportation network • Mission ◦ Spread ridesharing all over the word ◦ Educate the markets & adapt the product
  21. 21.

    Poland • launched in October 2012 with 3 persons team

    • now > 1 million Polish members • no. 1 ridesharing service in Poland - and growing!
  22. 22.

    PL Team - from 3 to 12

  23. 23.

    BlaBlaTech BlaBlaTech.com Follow us on Twitter @BlaBlaCarTech

  24. 24.

    BlaBlaTech People

  25. 25.

    Warsaw Bucharest Paris People

  26. 26.

    BlaBlaTech today ?

  27. 27.

    Miami Singapore 2x Paris Servers

  28. 28.

    BlaBlaTech missions + Experts...

  29. 29.
    None
  30. 30.

    Website

  31. 31.

    Monetize

  32. 32.

    Mobile Apps

  33. 33.

    Backoffice

  34. 34.

    Tech committee Refactoring / Optimisations

  35. 35.
    None
  36. 36.
    None
  37. 37.

    System & Network Architecture

  38. 38.

    Be available 24/7

  39. 39.
    None
  40. 40.

    Business Intelligence Collect, model & share

  41. 41.

    BlaBlaTech Organisation

  42. 42.

    Agile boards

  43. 43.

    Daily Standups

  44. 44.

    Ceremonies

  45. 45.

    Constant website updates

  46. 46.

    Friday demo

  47. 47.

    Culture

  48. 48.

    BlaBlaTalk

  49. 49.

    Values

  50. 50.

    BlaBlaTech Culture

  51. 51.

    Thursday “Pot Tech”

  52. 52.
    None
  53. 53.

    BlaBlaTech Warsaw

  54. 54.
    None
  55. 55.

    Why?

  56. 56.

    Why?

  57. 57.

    Why? • One single Tech hub in Paris • good

    but few talents • heavy competition • hard to scale while recruiting only the best
  58. 58.

    What? • New full-BlaBlaCar backend development team • build to

    last, build to grow • autonomous, ownership • adding (cultural) diversity
  59. 59.

    Where? • Warsaw! • existing BlaBlaCar hub • strong dev

    culture • good talents • less competition
  60. 60.

    How? • Learn ◦ TeamYellow ◦ SmartRecruiters, Criteo, Facebook, ...

    • Act ◦ Find local hands-on Tech Manager ◦ Enter the community ◦ Find 3-4 developers in the next months • Scale ◦ Double the team in 2015 ◦ Keep on doubling... WE ARE HERE
  61. 61.

    Challenges • Distance impacts efficiency • Intensify onboarding sessions •

    Always respect the 3 golden rules 1. Overcommunicate 2. Overcommunicate 3. Overcommunicate
  62. 62.

    Technologies

  63. 63.

    Our stack

  64. 64.

    Internet Load Balancer WEB servers (PHP / Symfony 2) Master

    Slaves Master Slaves Databases MemCached / Reddis Elastic Search C D N Rabbit MQ Monitoring
  65. 65.

    • configure local dev environment • get to know whole

    platform & all technologies • do code review • push code to production on first week • try to memorize all the names :) Tech onboarding in Paris
  66. 66.

    Projects

  67. 67.

    Product projects 1/2 • Two-ways rating • 1-click payment •

    Google Sign-in • Voucher program • ID verification via third party services
  68. 68.

    Product projects 2/2 • Referral program • Assistance program in

    case of issues • Build a CRM tool on top of our member base • Further improve moderation tools • Enhance business driver & fraud detection • Additional trip insurance
  69. 69.

    Tech projects 1/2 • Cassandra for distributed datastores • Gateway

    project for decoupling the application • Migration to PHP7 and Symfony3 • Virtual seats project
  70. 70.

    Tech projects 2/2 • Docker for dev and preprod environment

    • Optimise visited trips page (archiving) • Timezones, UTC, multi-currency • Provide lighter mobile apps for emerging markets
  71. 71.

    BACKEND DEVELOPERS IN PARIS/FRANCE WARSAW/POLAND

  72. 72.
    None
  73. 73.

    Follow us for a drink! :-D

  74. 74.
    None
  75. 75.

    Follow us @BlaBlaCarTech Thanks!