Recent news

    October @ Picnic

    Posted on October 16, 2019

    We're happy to announce that we will be visiting Picnic on October 16th. (

    September @ Virtual Affairs

    Posted on September 25, 2019

    We're happy to announce that we will be visiting Virtual Affairs on September 25th. (

    Swinject to handle dependency injection, Felipe Garcia (English)

    Posted on September 04, 2019

    Felipe takes us for a deep dive into Swinject and shows code examples of how to use Swinject. He touches topics like containers, object scopes and how to register and resolve using arguments. You can also read his posting on Medium about Swinject:

    Making OK Videos, Pim Coumans (English)

    Posted on September 04, 2019

    Pim shares his experiences on making a the app OK Videos. He explains why he made it, what problems they ran into when they wanted to instantly record video and how they solved the audio synchronisation.

    CocoaHeadsNL Meetup, 28 August 2019

    Posted on September 03, 2019

    Live coverage of our monthly meetup, this time hosted by PINCH in Amsterdam. The schedule for this meetup is: 19:00 Felipe Garcia - What is Dependency Injection (DI). How can I use Swinject to help me. 19:45 break 20:00 Pim Coumans - Making OK Video.

    CocoaHeadsNL Meetup, May 29th 2019

    Posted on August 31, 2019

    This month we will visiting the Bunq HQ in Amsterdam. We have two excellent speakers lined up for you: 19.00 Lammert Westerhof: Rx Driven Development 20.00 Dmitry Ivanov: Native serialisation in iOS

    August @ PINCH

    Posted on August 28, 2019

    We're happy to announce that we will be visiting PINCH in August. (

    Software development, parenthood, childlessnes and family life (English)

    Posted on August 02, 2019

    In this meta talk Juan Carlos talks about the difficulties of combining family live with being a software developer. He also highlights how few women there are in this profession and shows examples of how this affects the products that are created.

    Dependency Injection & Application Architecture, Peter IJlst (English)

    Posted on August 01, 2019

    After a short primer in dependency injection, Peter dives deep in several application architectures based on Swinject and describes the pro's and con's of the solutions.

    Junior iOS Developer

    Posted on July 19, 2019

    Als Junior iOS Developer voor Centraal Beheer kun jij dagelijks jouw gave idee├źn verder ontwikkelen naar innovatieve iOS apps! Vanaf dag 1 maak jij al impact en ontwikkel jij mee aan onze apps die iedere dag weer een verschil maken voor onze klanten. Jij gaat alle ins en outs van onze apps en tooling ontdekken en je programmeerskills verder ontwikkelen. Zie je iets wat beter kan? Graag! Samen met je scrumteam ontwikkel en verbeter je onze apps continu.

    CocoaHeadsNL Meetup, 17 July 2019

    Posted on July 18, 2019

    Coverage of our monthly meetup, this time hosted by The Mobile Company in Amsterdam.

    July @ The Mobile Company

    Posted on July 17, 2019

    We're happy to announce that we will be visiting The Mobile Company in July.

    WWDC 2019

    Posted on June 03, 2019

    Are you excited as we are about WWDC this year? We're already preparing the setup to watch with as much people as possible. We got around 130 places this year so in case you know of an iOS / Mac developer who hasn't visited a cocoaheads meetup before let them sign up via meetup and bring them along.

    Native Serialization on iOS, Dmitrii Ivanov (English)

    Posted on June 02, 2019

    In this talks Dmitrii shows a couple of options on how to use native iOS SDK options to serialize objects. He compares them and talks about the advantages and disadvantages.

    Rx Driven Development, Lammert Westerhoff (English)

    Posted on June 02, 2019

    Lammert Westerhoff shows an example of how he has used Rx in a data rich application to make the app respond to real-time changes. By using a simple JSON file format for its data store as it also makes development and testing a lot easier.

    May @ Bunq

    Posted on May 29, 2019

    We're happy to announce that we will be visiting Bunq in May.
    There will be no talk from Bunq this time. In case you can't make it please update your RSVP as soon as possible. Next week we will be watching WWDC!

    Reverse indie, Agenda app - Alexander Griekspoor - Do iOS 2018 IEnglish)

    Posted on May 13, 2019

    Alexander talks about how he got started in app development as an indie developing the app Paper. After winning an Apple design award and selling the app to a publisher and working for them for a while he left and became an indie again. He then started his next big project: the Agenda app. This talk was recorded on November 2nd, 2018 during the Do iOS 2018 conference of CocoaHeadsNL in Amsterdam. See for more information.

    How To Properly Allocate The Fucks You Give, Ellen Shapiro (English)

    Posted on May 07, 2019

    In this meta talk Ellen explains that it is important to properly allocate the fucks in your life. A fuck being a metaphor for a pointer to something you care about in your personal or professional life.

    Machine Learning In Apps, Rogier van den Brink and Ennio Brands (English)

    Posted on May 07, 2019

    After a small introduction about Incentro by Ennio, Rogier dives into the details on how they used machine learning in the app of the Coop supermarket to implement a product scanner that can not only scan barcodes but also recognize real food.

    Theming with extensions and JSON, Felipe Florencio Garcia (English)

    Posted on May 04, 2019

    Felipe shares a concept on how he has implemented theming in an app he has worked on. By using extensions on UI elements and simple JSON configuration files he shows how easy it can be to add theming support to the CocoaHeadsNL app.

    Speeding up as an iOS developer, Antoine van der Lee (English)

    Posted on May 01, 2019

    In this talk Antoine shares some tips on the personal, organizational and programming level on how to become a better iOS developer and speed up your workflow.

    April @ Incentro

    Posted on April 17, 2019

    We're happy to announce that we will be visiting Incentro in April.
    Please note: updated location to the Tractieweg in Utrecht.

    CocoaHeadsNL Meetup Live, 30 January 2019

    Posted on April 16, 2019

    Live stream of our monthly meetup. This month we are hosted by ABN AMRO who welcome us at their offices in Amsterdam. There will be talks this evening by Felipe Garcia and Antoine van der Lee. And as a bonus we start off with a short talk by ABN AMRO about the very successful Tikkie app.

    Applying Redux patterns on iOS, Jaap Mengers (English)

    Posted on April 10, 2019

    Jaap Mengers shares his findings of experimenting with applying Redux patterns on iOS apps. He learned about Redux from a web project and researched if it could be applied to iOS apps.