The following table provides summary statistics for contract job vacancies 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 30 March 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
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 587 627 611
Rank change year-on-year +40 -16  
Contract jobs citing RavenDB 13 13 14
As % of all contract IT jobs advertised in the UK 0.029% 0.024% 0.026%
As % of the Database & Business Intelligence category 0.13% 0.11% 0.12%
Number of daily rates quoted 11 9 10
Median daily rate £450 £488 £400
Median daily rate % change year-on-year -7.69% +21.87%  
90% offered a daily rate of more than £400 £370 £307
10% offered a daily rate of more than £518 £575 £456
UK excluding London median daily rate £375 £400 £310
% change year-on-year -6.25% +29.03%  
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 with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
UK
Contract job vacancies with a requirement for database and business intelligence skills 10344 11994 11996
As % of all contract IT job vacancies advertised in the UK 22.72% 22.16% 22.34%
Number of daily rates quoted 7008 8058 7695
Median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £550
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 128 183 158
Median hourly rate £35.00 £32.50 £32.10
Median hourly rate % change year-on-year +7.69% +1.24%  
90% offered a hourly rate of more than £12.00 £14.50 £15.03
10% offered a hourly rate of more than £47.00 £60.62 £47.50
UK excluding London median hourly rate £35.00 £32.50 £32.50
% change year-on-year +7.69% -  

RavenDB
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

RavenDB
Contractor Daily Rate Trend

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

Contractor daily rate trend for RavenDB in the UK

RavenDB
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing RavenDB over the 3 months to 30 March 2017.

Contractor daily rate histogram for RavenDB in the UK

RavenDB
Top 12 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RavenDB within the UK over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +48 13 £450 -7.69% 14
London +34 10 £475 -11.62% 2
City of London +11 2 £413 -15.38%
Hammersmith - 2 £518 -
South East +17 1 £350 -12.50% 3
East of England - 1 - - 1
Cambridgeshire - 1 - - 1
Cambridge - 1 - - 1
Leatherhead - 1 £350 -
Surrey - 1 £350 - 1
Coventry - 1 £400 -
West Midlands - 1 £400 - 1

For the 6 months to 30 March 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 with a requirement for RavenDB.

1 17 (85.00%) .NET
1 17 (85.00%) C#
2 15 (75.00%) Agile Software Development
3 13 (65.00%) NoSQL
4 12 (60.00%) JavaScript
5 11 (55.00%) Scrum
5 11 (55.00%) TDD
5 11 (55.00%) AngularJS
6 10 (50.00%) BDD
6 10 (50.00%) MongoDB
7 9 (45.00%) SOA
7 9 (45.00%) Amazon AWS
7 9 (45.00%) SOLID
8 8 (40.00%) Aurelia
8 8 (40.00%) MVC
8 8 (40.00%) ASP.NET
9 7 (35.00%) Microsoft
9 7 (35.00%) ASP.NET MVC
9 7 (35.00%) Continuous Integration
9 7 (35.00%) Microservices
9 7 (35.00%) NServiceBus
10 6 (30.00%) .NET Framework
10 6 (30.00%) Windows
10 6 (30.00%) SQL Server
11 5 (25.00%) IIS
11 5 (25.00%) Visual Studio
11 5 (25.00%) OO
11 5 (25.00%) Python
11 5 (25.00%) PowerShell
11 5 (25.00%) TeamCity

RavenDB
Co-occurring IT Skills 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 7 (35.00%) NServiceBus
2 5 (25.00%) IIS
3 2 (10.00%) Confluence
4 1 (5.00%) Elasticsearch
Applications
1 2 (10.00%) MS Excel
Cloud Services
1 9 (45.00%) Amazon AWS
2 4 (20.00%) Amazon CloudWatch
2 4 (20.00%) Microsoft Azure
3 1 (5.00%) SaaS
Database & Business Intelligence
1 13 (65.00%) NoSQL
2 10 (50.00%) MongoDB
3 6 (30.00%) SQL Server
4 3 (15.00%) Apache Cassandra
5 2 (10.00%) CouchDB
5 2 (10.00%) Event Store
5 2 (10.00%) Redis
5 2 (10.00%) SQL Server 2014
6 1 (5.00%) Couchbase
6 1 (5.00%) Hadoop
6 1 (5.00%) SQL Server 2012
Development Applications
1 5 (25.00%) Git (software)
1 5 (25.00%) TeamCity
1 5 (25.00%) Visual Studio
2 2 (10.00%) Fiddler
2 2 (10.00%) JIRA
2 2 (10.00%) Octopus Deploy
3 1 (5.00%) JSUnit
3 1 (5.00%) Mercurial
3 1 (5.00%) NuGet
3 1 (5.00%) SpecFlow
General
1 4 (20.00%) Finance
2 1 (5.00%) Banking
2 1 (5.00%) Marketing
Job Titles
1 10 (50.00%) Developer
2 8 (40.00%) .NET Developer
3 5 (25.00%) Angular Developer
3 5 (25.00%) Architect
4 4 (20.00%) .NET Architect
4 4 (20.00%) .NET Technical Architect
4 4 (20.00%) C# Architect
4 4 (20.00%) Full Stack Developer
4 4 (20.00%) Technical Architect
5 3 (15.00%) DevOps Engineer
6 2 (10.00%) ASP.NET MVC Developer
6 2 (10.00%) AWS Engineer
6 2 (10.00%) C# .NET Developer
6 2 (10.00%) C# Developer
6 2 (10.00%) Technical Leader
7 1 (5.00%) ASP.NET Developer
7 1 (5.00%) DBA
7 1 (5.00%) Senior Developer
7 1 (5.00%) Senior Java Developer
7 1 (5.00%) SQL DBA
Libraries, Frameworks & Software Standards
1 17 (85.00%) .NET
2 11 (55.00%) AngularJS
3 8 (40.00%) ASP.NET
3 8 (40.00%) Aurelia
4 7 (35.00%) ASP.NET MVC
5 6 (30.00%) .NET Framework
6 3 (15.00%) CSS
6 3 (15.00%) HTML
6 3 (15.00%) HTML5
6 3 (15.00%) MSMQ
7 2 (10.00%) ASP.NET MVC 5
7 2 (10.00%) ASP.NET Web API
7 2 (10.00%) CSS3
7 2 (10.00%) Twitter Bootstrap
8 1 (5.00%) Apache Cordova
8 1 (5.00%) Celery
8 1 (5.00%) Durandal
8 1 (5.00%) LESS
8 1 (5.00%) Reactive Extensions
8 1 (5.00%) RxJS
Miscellaneous
1 2 (10.00%) Fintech
2 1 (5.00%) Clustering
2 1 (5.00%) User Experience
Operating Systems
1 6 (30.00%) Windows
2 3 (15.00%) Windows Server 2012
3 1 (5.00%) Windows Server
Processes & Methodologies
1 15 (75.00%) Agile Software Development
2 11 (55.00%) Scrum
2 11 (55.00%) TDD
3 10 (50.00%) BDD
4 9 (45.00%) SOA
4 9 (45.00%) SOLID
5 8 (40.00%) MVC
6 7 (35.00%) Continuous Integration
6 7 (35.00%) Microservices
7 5 (25.00%) DevOps
7 5 (25.00%) Domain-Driven Design
7 5 (25.00%) OO
8 4 (20.00%) Don't repeat yourself (DRY)
8 4 (20.00%) Event-Driven Architecture
8 4 (20.00%) Release Management
8 4 (20.00%) Technical Architecture
9 3 (15.00%) Continuous Delivery
10 2 (10.00%) Asset Management
10 2 (10.00%) Performance Tuning
10 2 (10.00%) Wealth Management
Programming Languages
1 17 (85.00%) C#
2 12 (60.00%) JavaScript
3 5 (25.00%) PowerShell
3 5 (25.00%) Python
4 4 (20.00%) Ruby
5 2 (10.00%) Java
5 2 (10.00%) SQL
5 2 (10.00%) T-SQL
6 1 (5.00%) Scala
6 1 (5.00%) VB.NET
Quality Assurance & Compliance
1 4 (20.00%) QA
System Software
1 1 (5.00%) Docker
Systems Management
1 5 (25.00%) Opscode Chef
2 4 (20.00%) Ansible
3 1 (5.00%) Puppet
Vendors
1 7 (35.00%) Microsoft
2 4 (20.00%) Splunk
3 1 (5.00%) Xamarin