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Core Applications Developer in Amsterdam


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Job Description

In order to be successful in our trading domain, we constantly need the most advanced technology, trading software and connections to the market. In short, we need the best technologists to develop, optimise and support our systems and tools. With 12 datacenters and thousands of servers we run ten thousands of trading components executing hundred thousands of trades every day. These systems produce a lot of data that needs to be wrangled to turn it into valuable information for different areas of the business.

What you’ll do

As member of the Core Applications team you will be focusing on the infrastructural and strategic components of our software landscape. We provide the rock-solid software backbone on which the business relies every single day, and we lay out the technical arena in which the trading-focused development teams can continue to innovate.
As developer in our team you will not only be challenged on your technical knowledge and skills, but also on your capacity for producing simple and elegant solutions in face of a hectic and ever changing business environment.

What you’ll need

  • A genuine and deep desire to write clean and correct code, mixed with a strong desire to deliver architectural and strategic solutions, topped off with a considerable dose of realistic and sustainable pragmatism allowing you to simply get things done;
  • A solid grasp of computer science, knowing your algorithms, memory-, and concurrency models, CPU-architecture, operating systems, relational databases, etc;
  • As our main body of software is written in C++ (14) and runs on Linux, you will either need to have extensive experience in this language and platform or be more than willing to learn on the job. Next to C++, we also extensively use Python, C# and other languages in Optiver and you are therefore expected to be willing and able to pick up on new languages quickly;
  • We are looking for both senior and junior ‘great minds’. If you feel comfortable with the characteristics outlined above we encourage you to apply!

What you’ll get

Optiver is above all a state of mind. We are looking for you when you believe in daily improvement, when you like to be seriously rewarded for your performance and when you easily adapt to change and enjoy some humour and fun. To be concrete, we offer excellent remuneration and great secondary benefits, such as an attractive profit sharing structure, training opportunities, fully paid first-class commuting expenses, a premium-free pension, breakfast and lunch facilities, sports and leisure activities, even weekly chair massages and of course Friday afternoon drinks. We are used to guiding expats through their relocation and offer relocation packages and discounts on health insurance.


The first step after applying for this job is an online (HackerRank) test assessing your programming fundamentals (in C++, C# and/or Java). No prior trading knowledge needed.


About Optiver

  • Fintech

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