Microservices

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Are you looking for a Microservices Job?

How your Microservices skills can help you

Microservices are part of a larger shift in IT Departments towards a modern DevOps world alongside architectural concepts such as Continuous Delivery, Containers and Cloud.  The technology and culture needs to be in place and suitable to support this concept where Developers and Operations work together to support an application through a quicker release cycle than previously possible.

Microservices allows companies to avoid the usual monolithic approach to distributed system design and to sympathetically replace parts of systems individually when necessary improving the total cost of ownership of systems.  Some types of applications become easier to build and maintain when broken down into smaller pieces rather than building all at once, although they can all be built at the same time still.  It can spread the risk by spreading components round different data centres or servers, in that if a component fails the rest of the application can still function.  Scaling is easier too with easy duplication of commonly used parts rather than just using bigger machines.

You will need tools to run applications based on microservices so may need knowledge of orchestration tools such as Heat or Platform-As-A-Service (PaaS) tools such as OpenShift.  Container technologies such as Docker, Kub142ernetes, Mesos or Zookeeper can also be seen as enablers of a microservice architecture although containers aren’t a necessity to follow a microservices approach and are just a tool to help rapid development and testing of services.

A preliminary JAXenter Microservices Survey reveals that 76.1% see Microservices as very important.  The key factors were that it allows deployment of corresponding services only and not whole applications, it leads to independent loosely coupled modules, has a positive effect on team structures as small teams can work on well-defined tasks and helps structure applications in domain-specific components.  

The most popular framework used was Spring Boot with Java EE coming in a close second and with Prometheus and Hystrix getting honourable mentions.

More important is that demand for staff with Microservices skills is rising rapidly and permanent demand has increased 142% with salaries by 4.17% and contract Microservices jobs by 154% and daily rates by 3.1%

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