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OVO Tech Blog

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coaching technology tooling

Wizards, Goblins and Service Outages

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OVO's service management coaches have just finished the first round of Major Incident simulations. In this post I'm going to tell you a little about our approach, and explain what Major Incident Management coaching has to do with Dungeons & Dragons.…

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culture technology

Connecting Engineers Across Sites

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At OVO, we have 3 different offices across London housing almost 20 dev teams. Some of these teams work closely together and some of them work on totally separate products and brands around the business. Though these teams have separate product backlogs, they…

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docker sbt technology

Reduce docker images size with Alpine Linux

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In Boost we develop most of our backend services using sbt, Scala, deployed as docker containers on kubernetes. The following is something we found out while creating a new service. Openjdk docker images: 8-jre vs 8-jre-alpine So your code finally seems to wor…

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culture technology

Candidate feedback matters.

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A short case study explaining why candidate feedback, mistakes that were made and the right way to do things.…

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technology ios mobile

On Refactoring. Part 1: Data sources

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OVO's iOS mobile application is - on the surface - very straight forward: a user can log in, submit a meter reading, download their statements and compare their energy usages with national averages. However, the app was built in such a way that we found oursel…