The following table provides summary statistics for contract job vacancies advertised in Middlesex with a requirement for C skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited C over the 3 months to 28 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.

C
South East / Middlesex
3 months to
28 Apr 2017
Same period 2016 Same period 2015
Rank 16 18 15
Rank change year-on-year +2 -3  
Contract jobs citing C 4 5 7
As % of all contract IT jobs advertised in Middlesex 3.88% 3.31% 4.49%
As % of the Programming Languages category 12.12% 11.11% 17.07%
Number of daily rates quoted 2 2 1
Median daily rate £325 £517 £295
Median daily rate % change year-on-year -37.05% +75.16%  
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.66% +3.44%  
Number of hourly rates quoted 0 3 0
Median hourly rate - £44.00 -
UK excluding London median hourly rate £42.50 £39.00 £36.45
% change year-on-year +8.97% +6.99%  

C is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Middlesex with a requirement for programming language skills.

Contract Programming Language Skills
Middlesex
Contract job vacancies with a requirement for programming language skills 33 45 41
As % of all contract IT job vacancies advertised in Middlesex 32.04% 29.80% 26.28%
Number of daily rates quoted 16 29 22
Median daily rate £350 £400 £313
Median daily rate % change year-on-year -12.50% +28.00%  
90% offered a daily rate of more than £213 £300 £275
10% offered a daily rate of more than £425 £475 £425
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 0 4 2
Median hourly rate - £45.50 £45.00
Median hourly rate % change year-on-year - +1.11%  
UK excluding London median hourly rate £42.50 £38.00 £35.50
% change year-on-year +11.84% +7.04%  

C
Job Vacancy Trend in Middlesex

The job posting trend of jobs advertised in Middlesex citing C as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for C in Middlesex

C
Contractor Daily Rate Trend in Middlesex

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

Contractor daily rate trend for C in Middlesex

C
Contractor Hourly Rate Trend in Middlesex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing C in Middlesex.

Contractor hourly rate trend for C in Middlesex

For the 6 months to 28 April 2017, IT contractor jobs citing C 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 Middlesex region with a requirement for C.

1 10 (83.33%) C++
2 8 (66.67%) HTTP
2 8 (66.67%) Degree
3 7 (58.33%) Agile Software Development
3 7 (58.33%) SQL
4 6 (50.00%) HTML
4 6 (50.00%) SOA
4 6 (50.00%) MPEG
4 6 (50.00%) Digital TV
4 6 (50.00%) DVB
4 6 (50.00%) TDD
4 6 (50.00%) STB
4 6 (50.00%) Scrum
4 6 (50.00%) Computer Science
4 6 (50.00%) Git (software)
4 6 (50.00%) Software Architecture
4 6 (50.00%) HTML5
4 6 (50.00%) NoSQL
4 6 (50.00%) Node.js
4 6 (50.00%) REST
5 5 (41.67%) User Stories
5 5 (41.67%) Continuous Deployment
5 5 (41.67%) Continuous Integration
5 5 (41.67%) Software Engineering
5 5 (41.67%) C#
6 4 (33.33%) Java
7 3 (25.00%) Perl
7 3 (25.00%) Windows
7 3 (25.00%) Python
8 2 (16.67%) Mobile App

C
Co-occurring IT Skills in Middlesex 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 1 (8.33%) Confluence
Applications
1 1 (8.33%) Microsoft Excel
1 1 (8.33%) Microsoft Office
1 1 (8.33%) Microsoft PowerPoint
Cloud Services
1 1 (8.33%) SaaS
Communications & Networking
1 8 (66.67%) HTTP
2 6 (50.00%) DVB
3 2 (16.67%) TCP/IP
Database & Business Intelligence
1 6 (50.00%) NoSQL
2 1 (8.33%) SQL Server
Development Applications
1 6 (50.00%) Git (software)
2 1 (8.33%) AppScan
2 1 (8.33%) Jenkins
2 1 (8.33%) JIRA
Job Titles
1 5 (41.67%) Software Engineer
2 3 (25.00%) Embedded Engineer
2 3 (25.00%) Integration Engineer
3 2 (16.67%) C Developer
3 2 (16.67%) Developer
3 2 (16.67%) Embedded Software Engineer
3 2 (16.67%) Senior Software Engineer
4 1 (8.33%) .NET Developer
4 1 (8.33%) ASP.NET MVC Developer
4 1 (8.33%) C# .NET Developer
4 1 (8.33%) C# ASP.NET Developer
4 1 (8.33%) C# Developer
4 1 (8.33%) C# WCF Developer
4 1 (8.33%) C/C++ Developer
4 1 (8.33%) C++ Developer
4 1 (8.33%) Embedded C/C++ Developer
4 1 (8.33%) Embedded C++ Developer
4 1 (8.33%) Test Engineer
4 1 (8.33%) Tester
4 1 (8.33%) WCF Developer
Libraries, Frameworks & Software Standards
1 6 (50.00%) HTML
1 6 (50.00%) HTML5
1 6 (50.00%) Node.js
1 6 (50.00%) REST
2 1 (8.33%) .NET
2 1 (8.33%) .NET Framework
2 1 (8.33%) ASP.NET
2 1 (8.33%) ASP.NET Web Forms
2 1 (8.33%) J2EE
2 1 (8.33%) jQuery
2 1 (8.33%) KnockoutJS
2 1 (8.33%) WCF
2 1 (8.33%) Web Services
Miscellaneous
1 6 (50.00%) Computer Science
1 6 (50.00%) Digital TV
1 6 (50.00%) MPEG
1 6 (50.00%) STB
2 2 (16.67%) Mobile App
3 1 (8.33%) Analytical Skills
3 1 (8.33%) Management Information System
Operating Systems
1 3 (25.00%) Windows
2 2 (16.67%) Linux
3 1 (8.33%) Android
3 1 (8.33%) Apple iOS
3 1 (8.33%) CentOS
3 1 (8.33%) Mac OS
3 1 (8.33%) Ubuntu
Processes & Methodologies
1 7 (58.33%) Agile Software Development
2 6 (50.00%) Scrum
2 6 (50.00%) SOA
2 6 (50.00%) Software Architecture
2 6 (50.00%) TDD
3 5 (41.67%) Continuous Deployment
3 5 (41.67%) Continuous Integration
3 5 (41.67%) Software Engineering
3 5 (41.67%) User Stories
4 2 (16.67%) Automated Testing
4 2 (16.67%) Embedded Software Development
5 1 (8.33%) Android Development
5 1 (8.33%) Defect Management
5 1 (8.33%) Functional Testing
5 1 (8.33%) iOS Development
5 1 (8.33%) Process Improvement
5 1 (8.33%) SDLC
5 1 (8.33%) Social Engineering
5 1 (8.33%) Threat Management
5 1 (8.33%) Web Application Development
Programming Languages
1 10 (83.33%) C++
2 7 (58.33%) SQL
3 5 (41.67%) C#
4 4 (33.33%) Java
5 3 (25.00%) Perl
5 3 (25.00%) Python
6 2 (16.67%) Ada
6 2 (16.67%) Tcl
7 1 (8.33%) Bash Shell
7 1 (8.33%) JavaScript
7 1 (8.33%) T-SQL
7 1 (8.33%) VB
Qualifications
1 8 (66.67%) Degree
2 1 (8.33%) CEH
2 1 (8.33%) CISA
2 1 (8.33%) CISSP
2 1 (8.33%) DV Cleared
2 1 (8.33%) HNC
2 1 (8.33%) ISEB
2 1 (8.33%) OSCP
2 1 (8.33%) Security Cleared
Quality Assurance & Compliance
1 1 (8.33%) JSP 440
System Software
1 1 (8.33%) Docker
1 1 (8.33%) Virtual Machines
1 1 (8.33%) vSphere
Systems Management
1 1 (8.33%) HP Fortify
Vendors
1 1 (8.33%) SaltStack