Vacature Lead Kotlin Developer Amsterdam | High Impact Highly Available Greenfield Systems Used by Millions | Kotlin, Spring Boot, Kafka, Concurrency, Vert.x, Reactive Programming | Up to € 85.000 + permanent contract!

Your job: Lead Kotlin Developer Amsterdam

  • Do you like to be the tech lead in translating complex business challenges into technology, leading and mentoring a passionate team while working on very tangible long term (up to 2 years) projects which impact millions of customers and retailers daily?
  • Do you love solving real life engineering challenges where software and hardware meet while working with tech like Reactive Programming, Kotlin, Non-Blocking/Concurrency, Kafka, Vert.X, Lambda’s and Reactive Programming?
  • How about working for an informal, passionate, 100% tech company with a very flat structure, where people love working so much they stay for 8 years of longer?!
  • Do you say yes to great benefits like a permanent contract, the best hardware, flexible working hoursworking from home possibilities, fully paid pension, a big training budget and vast possibilities to visit conferences?

Then read on, this is your job!

Your employer: The hardware & software experts in building high quality long term solutions that service millions of customers every day!

At this 100% tech company you will find passionate, tech driven and super friendly hardware and software engineers from all over the world. They put their passion into building highly reliable and available systems for some of the most interesting FinTech clients in Europe!

The great thing about it that you work with your team from the office (or at home) but have the diversity of different long-term projects every 1,5 to 2 years. Always greenfield, always where you are involved in tech choice/architecture! They are big enough to make a huge impact for their clients, but still small enough to know all your colleagues by name. Best of both worlds!

The company culture is characterized as being super tech driven, informal, friendly and highly innovative. Always looking for the next new thing that can add value to customers!

They believe that smart and motivated people excel when you give them the freedom and responsibility to do their job. Which is why you can enjoy flexible working hours, working from home possibilities (also after corona) and you directly get a permanent contract! On average people work here for 8 years! If you love impact, autonomy, responsibility, learning and growing, this job is for you!

Your job: Lead Kotlin Developer Amsterdam

As they are continuously and very successfully growing, we are looking for an experienced Lead Kotlin Developer Amsterdam to lead one of their newly formed dev teams, to work on greenfield long term projects.

As tech lead you will work very closely with your team, the super inspiring founders, and be an important link in making strategic decisions to help the company with challenges that make an impact on the biggest companies around. And that while having the freedom to choose your technologies, compose the teams and work with highly skilled and experienced software architects.

As Lead Kotlin Developer Amsterdam you are the tech lead in translating business challenges into technologyforming and leading a dev team, while hands on working with your team to deliver the very tangible software projects/products that last for about 1,5 to 2 years and always start from scratch. So you can always choose the most up to date technology, while having maximum impact on the end result! Do you now understand why people hang around for 8 years of more at this company? 😊

What is required?

  • A minimum of 6 years of professional backend development experience
  • Professional experience with Java or Kotlin (and the willingness to work with Kotlin)
  • Experience with architecture, design and mentoring
  • Strong communication skills, able to help your team to be better engineers
  • A completed technical Bachelor or Masters is a big plus
  • Experience with Spring Boot and Kafka is a plus
  • Experience with vert.x, reactive programming of test/delivery automation is a big plus
  • Experience with building secure and/or highly available systems are pluses
  • Domain knowledge of fintech and payment systems are pluses

What is offered?

  • Between € 72.000 and € 85.000 gross per year, based on knowledge and added value
  • A permanent contract! (great for buying a house)
  • The ability to work 32, 36 or 40 hours!
  • Fully paid pension! (a big net saver per month!)
  • 27 vacation days, based on full time (2 above average!)
  • Up to two days working from home (also after corona)
  • Flexible working hours
  • The best hardware
  • Daily lunch at the office
  • Training budget
  • Travel expenses paid for you!

Are you passionate about being the tech lead while working on greenfield highly reliable and super secure long term software project that last up to 2 years while working from the comfort of your own house or office?


Be sure to apply via the form below or send your CV to Sven Gerrmann via

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