Period
to 19 January 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for RavenDB skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RavenDB over the 6 months to 19 January 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

RavenDB
Central London > City of London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 246 229 238
Rank change year-on-year -17 +9 +50
Contract jobs citing RavenDB 6 3 3
As % of all contract IT jobs advertised in the City of London 0.085% 0.048% 0.042%
As % of the Database & Business Intelligence category 0.34% 0.17% 0.16%
Number of daily rates quoted 6 3 2
City of London median daily rate £425 £413 £481
Median daily rate % change year-on-year +3.03% -14.29% +48.08%
10th Percentile £409 £406 £463
90th Percentile £506 £419 £504
Central London median daily rate £425 £413 £481
% change year-on-year +3.03% -14.29% +48.08%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

RavenDB is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 1,770 1,726 1,883
As % of all contract IT jobs advertised in the City of London 24.95% 27.71% 26.24%
Number of daily rates quoted 1,481 1,385 1,515
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +11.76%
10th Percentile £363 £325 £313
90th Percentile £688 £656 £638
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +11.76%
Number of hourly rates quoted 6 1 6
City of London median hourly rate £27.75 £45.00 £40.00
Median hourly rate % change year-on-year -38.33% +12.50% +29.79%
10th Percentile £23.38 £42.50 £27.75
90th Percentile £33.25 £47.50 £60.00
Central London median hourly rate £27.50 £45.00 £38.75
% change year-on-year -38.89% +16.13% +29.17%

RavenDB
Job Vacancy Trend in the City of London

Job postings citing RavenDB as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for RavenDB in the City of London

RavenDB
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing RavenDB in the City of London.

Contractor daily rate trend for RavenDB in the City of London

RavenDB
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing RavenDB in the City of London over the 6 months to 19 January 2018.

Contractor daily rate histogram for RavenDB in the City of London

For the 6 months to 19 January 2018, IT contractor jobs citing RavenDB also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for RavenDB.

1 6 (100.00%) .NET
1 6 (100.00%) C#
1 6 (100.00%) Agile Software Development
1 6 (100.00%) NoSQL
1 6 (100.00%) AngularJS
1 6 (100.00%) React
1 6 (100.00%) SOLID
2 5 (83.33%) Don't repeat yourself (DRY)
2 5 (83.33%) BDD
2 5 (83.33%) TDD
2 5 (83.33%) JavaScript
3 2 (33.33%) NServiceBus
3 2 (33.33%) MongoDB
3 2 (33.33%) Octopus Deploy
3 2 (33.33%) MVC
3 2 (33.33%) Finance
3 2 (33.33%) Scrum
3 2 (33.33%) Software Engineering
3 2 (33.33%) Continuous Integration
3 2 (33.33%) TeamCity
4 1 (16.67%) Git (software)
4 1 (16.67%) Domain-Driven Design
4 1 (16.67%) RESTful
4 1 (16.67%) Microsoft Azure
4 1 (16.67%) Amazon AWS
4 1 (16.67%) ASP.NET MVC
4 1 (16.67%) Dependency Injection
4 1 (16.67%) Inversion of Control
4 1 (16.67%) Kanban
4 1 (16.67%) NHibernate

RavenDB
Co-occurring IT Skills in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (33.33%) NServiceBus
2 1 (16.67%) Elasticsearch
Cloud Services
1 1 (16.67%) Amazon AWS
1 1 (16.67%) Microsoft Azure
Communications & Networking
1 1 (16.67%) Internet
Database & Business Intelligence
1 6 (100.00%) NoSQL
2 2 (33.33%) MongoDB
3 1 (16.67%) Couchbase
3 1 (16.67%) SQL Server
Development Applications
1 2 (33.33%) Octopus Deploy
1 2 (33.33%) TeamCity
2 1 (16.67%) Artifactory
2 1 (16.67%) Git (software)
2 1 (16.67%) NuGet
2 1 (16.67%) Subversion
General
1 2 (33.33%) Finance
Job Titles
1 6 (100.00%) Developer
2 5 (83.33%) .NET Developer
2 5 (83.33%) C# Developer
3 4 (66.67%) C# .NET Developer
4 3 (50.00%) NoSQL Developer
5 1 (16.67%) Angular Developer
5 1 (16.67%) ASP.NET MVC Developer
5 1 (16.67%) AWS Developer
5 1 (16.67%) Elasticsearch Developer
5 1 (16.67%) Senior .NET Developer
5 1 (16.67%) Senior Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) .NET
1 6 (100.00%) AngularJS
1 6 (100.00%) React
2 1 (16.67%) .NET Core
2 1 (16.67%) ASP.NET
2 1 (16.67%) ASP.NET MVC
2 1 (16.67%) ASP.NET Web API
2 1 (16.67%) KnockoutJS
2 1 (16.67%) MSMQ
2 1 (16.67%) NHibernate
2 1 (16.67%) REST
2 1 (16.67%) RESTful
2 1 (16.67%) SOAP
2 1 (16.67%) WCF
2 1 (16.67%) Web Services
Operating Systems
1 1 (16.67%) Windows
Processes & Methodologies
1 6 (100.00%) Agile Software Development
1 6 (100.00%) SOLID
2 5 (83.33%) BDD
2 5 (83.33%) Don't repeat yourself (DRY)
2 5 (83.33%) TDD
3 2 (33.33%) Continuous Integration
3 2 (33.33%) MVC
3 2 (33.33%) Scrum
3 2 (33.33%) Software Engineering
4 1 (16.67%) CQRS
4 1 (16.67%) Dependency Injection
4 1 (16.67%) Domain-Driven Design
4 1 (16.67%) Inversion of Control
4 1 (16.67%) Kanban
4 1 (16.67%) OO
4 1 (16.67%) OOP
4 1 (16.67%) Pair Programming
Programming Languages
1 6 (100.00%) C#
2 5 (83.33%) JavaScript
3 1 (16.67%) TypeScript
System Software
1 1 (16.67%) Docker
Systems Management
1 1 (16.67%) Opscode Chef
1 1 (16.67%) Puppet