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 3 months to 27 April 2017 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
London / City of London
3 months to
27 Apr 2017
Same period 2016 Same period 2015
Rank 161 - -
Rank change year-on-year - 0  
Contract jobs citing RavenDB 1 0 0
As % of all contract IT jobs advertised in the City of London 0.031% - -
As % of the Database & Business Intelligence category 0.12% - -
Number of daily rates quoted 1 0 0
Median daily rate £413 - -
UK excluding London median daily rate £350 £400 -
% change year-on-year -12.50% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

RavenDB is in the database and business intelligence skills category. The next 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 and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 868 877 1375
As % of all contract IT job vacancies advertised in the City of London 27.15% 25.27% 25.31%
Number of daily rates quoted 680 719 1083
Median daily rate £500 £476 £450
Median daily rate % change year-on-year +5.15% +5.66%  
90% offered a daily rate of more than £350 £340 £325
10% offered a daily rate of more than £625 £600 £600
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 8 6
Median hourly rate £22.34 £19.00 £45.00
Median hourly rate % change year-on-year +17.55% -57.77%  
UK excluding London median hourly rate £31.25 £32.50 £32.50
% change year-on-year -3.84% -  

RavenDB
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing RavenDB as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

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

For the 6 months to 27 April 2017, 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 4 (100.00%) C#
1 4 (100.00%) JavaScript
1 4 (100.00%) .NET
1 4 (100.00%) ASP.NET
1 4 (100.00%) SOA
1 4 (100.00%) MVC
1 4 (100.00%) Agile Software Development
1 4 (100.00%) TDD
1 4 (100.00%) Domain-Driven Design
1 4 (100.00%) ASP.NET MVC
1 4 (100.00%) BDD
1 4 (100.00%) NoSQL
1 4 (100.00%) AngularJS
1 4 (100.00%) Don't repeat yourself (DRY)
1 4 (100.00%) SOLID
1 4 (100.00%) Aurelia
2 3 (75.00%) Microservices
2 3 (75.00%) Scrum
3 2 (50.00%) .NET Framework
4 1 (25.00%) OO

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:

Database & Business Intelligence
1 4 (100.00%) NoSQL
Job Titles
1 4 (100.00%) .NET Developer
1 4 (100.00%) Angular Developer
1 4 (100.00%) Developer
1 4 (100.00%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) .NET
1 4 (100.00%) AngularJS
1 4 (100.00%) ASP.NET
1 4 (100.00%) ASP.NET MVC
1 4 (100.00%) Aurelia
2 2 (50.00%) .NET Framework
Processes & Methodologies
1 4 (100.00%) Agile Software Development
1 4 (100.00%) BDD
1 4 (100.00%) Domain-Driven Design
1 4 (100.00%) Don't repeat yourself (DRY)
1 4 (100.00%) MVC
1 4 (100.00%) SOA
1 4 (100.00%) SOLID
1 4 (100.00%) TDD
2 3 (75.00%) Microservices
2 3 (75.00%) Scrum
3 1 (25.00%) OO
Programming Languages
1 4 (100.00%) C#
1 4 (100.00%) JavaScript