OVO Tech Blog

Our journey navigating the techosphere

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OVO Tech Blog

Our journey navigating the techosphere


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Implementing an event-driven HTTP server with Scala Native

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Scala Native allows you to compile your Scala code to a native executable using LLVM. This is good for two reasons: Because your code is compiled instead of running on the JVM, it can run more quickly, depending on your use case. In particular it means your ap…

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OVO, NAT & VPN's

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Running an energy company involves links to many different organisations, from comparison websites to meter read services. Facilitating network connectivity requires a reliable and secure connection method, IPSec VPN is often the solution chosen within OVO. Ho…

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Post-mortem culture at OVO

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I’m fascinated by failure and what we can learn from it. Failure becomes inevitable when we're constantly enhancing our services at scale and speed. At OVO we know that we can improve our customer experience and reduce the number of outages we have by continu…

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Ivan’s guide for acing technical recruitment tasks

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I think I can confidently give you a guide how to do it in reasonable time and get a 100% positive response! OK I jest, every company is different, but the following ideas would definitely improve your chances, and make the task fun.…

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Tech + Product Leadership Values

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Towards the end of 2017 we spent some time as a leadership team working on our key values. We've been growing a lot as a business, taking on more engineers and engineering managers. Rapid growth can be a difficult thing to handle, so we decided that to continu…