Lead Backend Developer

Job description

Do you see yourself leading our Backend team and help us define how we will scale our platform to a million users? Do you also want to work with a very experienced and ambitious team that has plans of world domination? Then it might be a good idea to continue reading.

Who are we?

Close is a mobile marketing platform that connects the live event industry with its visitors. Close offers an app that allows brands in the theatre, music, sports and entertainment industry to offer personalised, exclusive content to strengthen their connection with visitors before, during and after the event. Close is an initiative of former Marktplaats director Kiliaan Toorenaar. The start-up received its first investment at the end of 2018 from Disruptive Technology Ventures, the investment fund of Ad Scheepsbouwer. A small selection of Close's client base: ARTIS, Nijmeegse Vierdaagse, Stage Entertainment and star-restaurant The Jane.

What does our working environment look like?


With a brand new office in the new upcoming neighbourhood Houthavens we welcome you! The Houthavens area was formerly an industry terrain, and now is being rebuilt into an exciting neighbourhood with loads of restaurants and the famous Amsterdam Theater. Our office is 10 minutes away by bus from Amsterdam CS  and is fully-equipped with a nice kitchen, modern designs and a lot of plants. The office is really geared towards collaboration, because of the open and comfortable working spaces. 

Tech department

Our Tech Department currently consists of 4 disciplines (Backend, iOS, Android & our Close Builder). We have a test-driven, agile environment where you will have a lot of freedom and ownership in your job. Our development team consists of experienced developers that are always trying to find the right balance between a quick release schedule and Nasa-level quality. This is seen in our culture where we have a very high focus on quality, privacy and reliability. Everything that we build is secure by design!


Our backend that runs mainly on PHP (OO) and MariaDB and is connected through an API to our iOS app (Swift) and our Android app (Kotlin). We are also currently redesigning our client-facing marketing platform which we call Close Builder. All of the teams work very closely with the Design team to ensure the best user experience across our platform.

And where would I fit in?

You will be leading the Backend team, which currently consists of 2 developers. You will report directly to Wiebe (CTO) and work closely with the iOS and Android leads. Your main challenge as Lead will be on thinking of how we will scale our mobile marketing platform for the future. Our current infrastructure will enable us to scale 10x, but where you will come in is scaling us to 100x! Beside this daunting technical challenge you will also be responsible for leading and growing the developers in your team.


What will make me successful in this role?

  • 8+ Years of experience with OO Programming language (PHP is a pré, not a must)
  • Experience with multiple backend languages is a big pré!
  • Experience with Multi-Tier applications
  • Experience with designing and maintaining high-availability systems
  • Experience with Service Oriented Architecture
  • Experience with leading and growing a dev team
  • Experience with TDD
  • Start-up mentality
  • Inquisitive and proactive attitude
  • A healthy portion of humor

    What do I get in return?

    • The opportunity to build a game-changing product in the event industry
    • Have a huge impact on the direction of the product
    • A working environment that breathes product quality
    • A competitive salary
    • 26 vacation days
    • Working with and learning from very passionate and experienced colleagues
    • Free daily team lunch
    • A MacBook Pro and all the tools you need
    • A brand new office
    • The perks of start-up life

    Voor alle recruiters: Acquisitie naar aanleiding van deze vacature wordt absoluut niet op prijs gesteld. Wil je alsnog contact hebben dan kan dat via dit mailadres: ioannisantopoulos@thecloseapp.com