The following table provides summary statistics for contract job vacancies advertised in the Midlands with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 3 months to 23 June 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.

Open Source
England / Midlands
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 10 - 22
Rank change year-on-year - 0  
Contract jobs citing Open Source 8 0 3
As % of all contract IT jobs advertised in the Midlands 7.92% - 1.74%
As % of the Processes & Methodologies category 8.70% - 2.22%
Number of daily rates quoted 2 0 3
Median daily rate £525 - £563
90% offered a daily rate of more than £505 - £513
10% offered a daily rate of more than £545 - £593
UK excluding London median daily rate £475 £450 £400
% change year-on-year +5.55% +12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £31.22 £40.00
% change year-on-year +52.13% -21.94%  

Open Source is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the Midlands with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Midlands
Contract job vacancies with a requirement for process and methodology skills 92 145 135
As % of all contract IT job vacancies advertised in the Midlands 91.09% 76.72% 78.49%
Number of daily rates quoted 50 97 56
Median daily rate £500 £500 £550
Median daily rate % change year-on-year - -9.09%  
90% offered a daily rate of more than £342 £350 £320
10% offered a daily rate of more than £575 £578 £600
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £125.00 -
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Open Source
Job Vacancy Trend in the Midlands

The job posting trend of jobs advertised in the Midlands citing Open Source as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in the Midlands

Open Source
Contractor Daily Rate Trend in the Midlands

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

Contractor daily rate trend for Open Source in the Midlands

For the 6 months to 23 June 2017, IT contractor jobs citing Open Source 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 Midlands region with a requirement for Open Source.

1 11 (91.67%) Agile Software Development
2 8 (66.67%) Continuous Integration
2 8 (66.67%) Web Development
2 8 (66.67%) C#
2 8 (66.67%) .NET
2 8 (66.67%) Web Services
2 8 (66.67%) DevOps
3 7 (58.33%) Mentoring
3 7 (58.33%) User Experience
3 7 (58.33%) User Stories
3 7 (58.33%) ETL
3 7 (58.33%) Legal
3 7 (58.33%) QA
3 7 (58.33%) Blog
3 7 (58.33%) TDD
4 6 (50.00%) Rapid Prototyping
5 3 (25.00%) Microsoft
5 3 (25.00%) Internet
5 3 (25.00%) Configuration Management
5 3 (25.00%) MySQL
5 3 (25.00%) Ruby
5 3 (25.00%) RESTful
5 3 (25.00%) NoSQL
5 3 (25.00%) Amazon AWS
6 2 (16.67%) API Design
6 2 (16.67%) Infrastructure Monitoring
6 2 (16.67%) Load Balancing
6 2 (16.67%) Amazon DynamoDB
6 2 (16.67%) Enterprise Software
6 2 (16.67%) Opscode Chef

Open Source
Co-occurring IT Skills in the Midlands 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:

Cloud Services
1 3 (25.00%) Amazon AWS
2 1 (8.33%) GitHub
2 1 (8.33%) Microsoft Azure
Communications & Networking
1 3 (25.00%) Internet
2 2 (16.67%) DNS
2 2 (16.67%) HTTP
2 2 (16.67%) SMTP
2 2 (16.67%) TCP/IP
Database & Business Intelligence
1 3 (25.00%) MySQL
1 3 (25.00%) NoSQL
2 2 (16.67%) Amazon DynamoDB
3 1 (8.33%) Apache Cassandra
3 1 (8.33%) MongoDB
3 1 (8.33%) PostgreSQL
General
1 7 (58.33%) Legal
2 2 (16.67%) Banking
Job Titles
1 6 (50.00%) Architect
1 6 (50.00%) Developer
2 5 (41.67%) C# Architect
3 4 (33.33%) .NET Architect
3 4 (33.33%) .NET Technical Architect
3 4 (33.33%) C# Developer
3 4 (33.33%) Technical Architect
4 3 (25.00%) .NET Developer
4 3 (25.00%) C# .NET Developer
4 3 (25.00%) Lead C# Developer
4 3 (25.00%) Lead Developer
5 2 (16.67%) AWS Developer
5 2 (16.67%) Designer
5 2 (16.67%) Lead .NET Developer
6 1 (8.33%) Agile .NET Developer
6 1 (8.33%) Agile C# Developer
6 1 (8.33%) Agile Developer
6 1 (8.33%) Lead Architect
6 1 (8.33%) Security Engineer
6 1 (8.33%) Solutions Architect
Libraries, Frameworks & Software Standards
1 8 (66.67%) .NET
1 8 (66.67%) Web Services
2 3 (25.00%) RESTful
3 1 (8.33%) Ajax
3 1 (8.33%) CSS
3 1 (8.33%) CSS3
3 1 (8.33%) Django
3 1 (8.33%) HTML
3 1 (8.33%) HTML5
3 1 (8.33%) JSON
3 1 (8.33%) Play Framework
3 1 (8.33%) REST
3 1 (8.33%) Ruby on Rails
Miscellaneous
1 7 (58.33%) Blog
1 7 (58.33%) User Experience
2 2 (16.67%) Enterprise Software
2 2 (16.67%) Hybrid Cloud
2 2 (16.67%) Public Cloud
3 1 (8.33%) Mobile App
Operating Systems
1 2 (16.67%) Linux
1 2 (16.67%) Unix
1 2 (16.67%) Windows
Processes & Methodologies
1 11 (91.67%) Agile Software Development
2 8 (66.67%) Continuous Integration
2 8 (66.67%) DevOps
2 8 (66.67%) Web Development
3 7 (58.33%) ETL
3 7 (58.33%) Mentoring
3 7 (58.33%) TDD
3 7 (58.33%) User Stories
4 6 (50.00%) Rapid Prototyping
5 3 (25.00%) Configuration Management
6 2 (16.67%) API Design
6 2 (16.67%) Disaster Recovery
6 2 (16.67%) High Availability
6 2 (16.67%) Infrastructure Monitoring
6 2 (16.67%) Load Balancing
6 2 (16.67%) Migration
6 2 (16.67%) Performance Tuning
7 1 (8.33%) Fuzz Testing
7 1 (8.33%) Secure Coding
7 1 (8.33%) Social Engineering
Programming Languages
1 8 (66.67%) C#
2 3 (25.00%) Ruby
3 2 (16.67%) Java
3 2 (16.67%) Perl
3 2 (16.67%) PHP
3 2 (16.67%) Python
3 2 (16.67%) SQL
4 1 (8.33%) Scala
Qualifications
1 2 (16.67%) AWS Certification
Quality Assurance & Compliance
1 7 (58.33%) QA
Systems Management
1 2 (16.67%) Ansible
1 2 (16.67%) Kubernetes
1 2 (16.67%) Mesos
1 2 (16.67%) Opscode Chef
Vendors
1 3 (25.00%) Microsoft