The following table provides summary statistics for contract job vacancies 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 29 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.

C
UK
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 146 140 129
Rank change year-on-year -6 -11  
Contract jobs citing C 809 981 998
As % of all contract IT jobs advertised in the UK 1.72% 1.83% 1.78%
As % of the Programming Languages category 4.10% 4.70% 4.67%
Number of daily rates quoted 416 517 539
Median daily rate £438 £413 £375
Median daily rate % change year-on-year +6.06% +10.00%  
90% offered a daily rate of more than £313 £285 £250
10% offered a daily rate of more than £650 £600 £588
UK excluding London median daily rate £413 £384 £350
% change year-on-year +7.49% +9.64%  
Number of hourly rates quoted 99 137 124
Median hourly rate £42.50 £39.00 £37.50
Median hourly rate % change year-on-year +8.97% +4.00%  
90% offered a hourly rate of more than £31.25 £14.00 £20.63
10% offered a hourly rate of more than £52.50 £54.75 £45.25
UK excluding London median hourly rate £42.50 £39.00 £37.50
% change year-on-year +8.97% +4.00%  

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 with a requirement for programming language skills.

Contract Programming Language Skills
UK
Contract job vacancies with a requirement for programming language skills 19717 20891 21377
As % of all contract IT job vacancies advertised in the UK 41.85% 38.90% 38.14%
Number of daily rates quoted 26337 28906 27296
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £310 £285 £263
10% offered a daily rate of more than £625 £600 £600
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 790 904 929
Median hourly rate £42.00 £37.50 £36.50
Median hourly rate % change year-on-year +12.00% +2.73%  
90% offered a hourly rate of more than £19.82 £14.54 £18.05
10% offered a hourly rate of more than £53.00 £52.50 £52.17
UK excluding London median hourly rate £42.50 £37.00 £37.00
% change year-on-year +14.86% -  

C
Job Vacancy Trend

Job postings citing C as a percentage of all IT jobs advertised.

Job vacancy trend for C in the UK

C
Contractor Daily Rate Trend

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

Contractor daily rate trend for C in the UK

C
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing C over the 3 months to 29 June 2017.

Contractor daily rate histogram for C in the UK

C
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for C in the UK

C
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing C over the 3 months to 29 June 2017.

Contractor hourly rate histogram for C in the UK

C
Top 11 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing C within the UK over the 3 months to 29 June 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 -14 739 £450 +7.59% 442
UK excluding London -2 504 £413 +7.49% 353
London -21 284 £475 +5.55% 121
South East -17 155 £378 +8.63% 84
East of England +20 85 £474 +11.41% 84
South West -16 85 £400 -11.11% 45
North of England +10 67 £438 +5.42% 67
Midlands +1 57 £350 -15.20% 38
Scotland +22 24 £151 -52.96% 26
Wales -7 17 £421 +3.37% 8
Northern Ireland - 16 £413 - 1

For the 6 months to 29 June 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 with a requirement for C.

1 550 (31.54%) C++
2 434 (24.89%) Linux
3 400 (22.94%) Software Engineering
4 396 (22.71%) Java
5 363 (20.81%) Security Cleared
6 330 (18.92%) Agile Software Development
7 311 (17.83%) SQL
8 302 (17.32%) Finance
9 295 (16.92%) Python
10 247 (14.16%) Windows
11 225 (12.90%) SC Cleared
12 208 (11.93%) Degree
13 195 (11.18%) C#
14 193 (11.07%) Unix
15 186 (10.67%) Oracle
16 176 (10.09%) Microsoft
17 164 (9.40%) Embedded C
18 163 (9.35%) Perl
19 157 (9.00%) SDLC
20 154 (8.83%) JavaScript
21 139 (7.97%) Banking
22 135 (7.74%) HTML
23 126 (7.22%) Project Management
24 123 (7.05%) Configuration Management
25 117 (6.71%) Git (software)
26 111 (6.36%) DV Cleared
26 111 (6.36%) Scrum
27 107 (6.14%) .NET
28 106 (6.08%) SQL Server
28 106 (6.08%) TCP/IP

C
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 71 (4.07%) Apache
2 45 (2.58%) WebLogic
3 44 (2.52%) Tomcat
4 41 (2.35%) SharePoint
5 32 (1.83%) Confluence
6 28 (1.61%) JBoss
7 24 (1.38%) nginx
7 24 (1.38%) WebSphere
8 22 (1.26%) Oracle SOA Suite
9 20 (1.15%) Elasticsearch
10 19 (1.09%) Skype for Business
11 17 (0.97%) CMS
12 16 (0.92%) IIS
13 14 (0.80%) Apache Spark
13 14 (0.80%) TPMS
14 9 (0.52%) MS Exchange
15 8 (0.46%) ArcGIS
15 8 (0.46%) Exchange Server 2013
15 8 (0.46%) NServiceBus
15 8 (0.46%) OpenROAD
Applications
1 77 (4.42%) Microsoft Office
2 59 (3.38%) Microsoft Excel
3 21 (1.20%) MS Visio
3 21 (1.20%) Simulink
4 19 (1.09%) Microsoft Project
5 17 (0.97%) Microsoft PowerPoint
6 15 (0.86%) Doxygen
7 5 (0.29%) AutoCAD
8 4 (0.23%) Spreadsheet
9 3 (0.17%) Adobe Creative Suite
9 3 (0.17%) OrCAD
9 3 (0.17%) XMetaL
10 2 (0.11%) LaTeX
10 2 (0.11%) Photoshop
10 2 (0.11%) Siemens NX
10 2 (0.11%) TargetLink
11 1 (0.057%) Acrobat
11 1 (0.057%) Adobe Illustrator
11 1 (0.057%) Maya
11 1 (0.057%) Stateflow
Business Applications
1 21 (1.20%) Dynamics NAV
2 14 (0.80%) LabWindows
3 13 (0.75%) ION MarketView
4 12 (0.69%) Oracle iRecruitment
5 11 (0.63%) Dynamics CRM
6 10 (0.57%) Oracle EBS
7 7 (0.40%) SAP Oil and Gas
8 5 (0.29%) Endur
8 5 (0.29%) WebTrends
9 4 (0.23%) Oracle Payroll
9 4 (0.23%) Teamcenter
10 3 (0.17%) Eloqua
10 3 (0.17%) Oracle 11i
10 3 (0.17%) Primavera
10 3 (0.17%) SAP GTS
10 3 (0.17%) SAP HCM
10 3 (0.17%) Siebel CRM
10 3 (0.17%) Summit
11 2 (0.11%) Oracle BPM
11 2 (0.11%) Sage X3
Cloud Services
1 47 (2.69%) Amazon AWS
2 32 (1.83%) Microsoft Azure
3 29 (1.66%) Office 365
4 14 (0.80%) SaaS
5 10 (0.57%) GitHub
5 10 (0.57%) IaaS
5 10 (0.57%) PaaS
6 9 (0.52%) Oracle CX
7 8 (0.46%) Google Cloud Platform
7 8 (0.46%) Oracle Service Cloud
8 6 (0.34%) Amazon S3
9 5 (0.29%) Adobe Analytics
10 4 (0.23%) Cloud Computing
10 4 (0.23%) G Suite
10 4 (0.23%) Yammer
11 3 (0.17%) Amazon EC2
11 3 (0.17%) Salesforce Sales Cloud
12 2 (0.11%) OneDrive
13 1 (0.057%) Azure Active Directory
13 1 (0.057%) Virtual Private Cloud
Communications & Networking
1 106 (6.08%) TCP/IP
2 56 (3.21%) SSL
3 54 (3.10%) HTTP
4 48 (2.75%) Firewall
5 46 (2.64%) DNS
6 32 (1.83%) WAN
7 30 (1.72%) Wireless
8 29 (1.66%) Internet
8 29 (1.66%) Wi-Fi
9 25 (1.43%) Bluetooth
10 20 (1.15%) LAN
10 20 (1.15%) VPN
11 19 (1.09%) DHCP
12 18 (1.03%) Ethernet
12 18 (1.03%) Wireshark
13 16 (0.92%) DVB
14 15 (0.86%) Skype
15 14 (0.80%) Network Security
15 14 (0.80%) VoIP
16 12 (0.69%) BGP
Database & Business Intelligence
1 106 (6.08%) SQL Server
2 69 (3.96%) Relational Database
3 46 (2.64%) Oracle Database
4 36 (2.06%) Hadoop
4 36 (2.06%) PostgreSQL
5 34 (1.95%) Big Data
5 34 (1.95%) MySQL
6 33 (1.89%) MongoDB
6 33 (1.89%) Oracle Database 11g
7 32 (1.83%) Data Warehouse
8 28 (1.61%) NoSQL
9 24 (1.38%) Oracle Database 12c
9 24 (1.38%) RDBMS
10 17 (0.97%) KDB
11 13 (0.75%) SQL Server Integration Services
12 12 (0.69%) BusinessObjects
12 12 (0.69%) SAP BW
13 10 (0.57%) Apache Hive
13 10 (0.57%) Crystal Reports
13 10 (0.57%) Oracle ODI
Development Applications
1 117 (6.71%) Git (software)
2 78 (4.47%) Jenkins
3 71 (4.07%) JIRA
4 55 (3.15%) ProC
5 53 (3.04%) Visual Studio
6 49 (2.81%) Rational DOORS
7 47 (2.69%) Subversion
8 32 (1.83%) Eclipse
9 30 (1.72%) Rational Rhapsody
10 24 (1.38%) Team Foundation Server
11 23 (1.32%) Selenium
12 14 (0.80%) GDB
12 14 (0.80%) JUnit
13 13 (0.75%) JMeter
13 13 (0.75%) LoadRunner
14 12 (0.69%) SoapUI
15 11 (0.63%) Oracle Forms
16 10 (0.57%) Bitbucket
16 10 (0.57%) Gradle
16 10 (0.57%) NUnit
General
1 302 (17.32%) Finance
2 139 (7.97%) Banking
3 81 (4.64%) Telecoms
4 79 (4.53%) Electronics
5 45 (2.58%) Investment Banking
6 40 (2.29%) Automotive
7 39 (2.24%) Front Office
7 39 (2.24%) Marketing
8 36 (2.06%) Aerospace
9 32 (1.83%) Manufacturing
10 29 (1.66%) Military
11 25 (1.43%) Retail
12 24 (1.38%) Games
13 22 (1.26%) Law
13 22 (1.26%) Legal
14 19 (1.09%) Avionics
14 19 (1.09%) Back Office
15 12 (0.69%) Publishing
16 9 (0.52%) Advertising
17 7 (0.40%) Financial Institution
Job Titles
1 476 (27.29%) Developer
2 278 (15.94%) Software Engineer
3 148 (8.49%) Embedded Engineer
4 130 (7.45%) Architect
5 126 (7.22%) Analyst
6 111 (6.36%) Java Developer
7 106 (6.08%) Embedded Software Engineer
8 99 (5.68%) C++ Developer
9 79 (4.53%) Consultant
10 78 (4.47%) C++ Software Engineer
10 78 (4.47%) Project Manager
11 74 (4.24%) C Developer
12 61 (3.50%) Linux Engineer
13 58 (3.33%) C Software Engineer
13 58 (3.33%) Software Developer
14 51 (2.92%) Systems Engineer
15 49 (2.81%) SQL Developer
16 46 (2.64%) Senior Developer
17 45 (2.58%) Business Analyst
17 45 (2.58%) C# Developer
Libraries, Frameworks & Software Standards
1 135 (7.74%) HTML
2 107 (6.14%) .NET
3 95 (5.45%) XML
4 94 (5.39%) Web Services
5 69 (3.96%) CSS
6 56 (3.21%) J2EE
7 55 (3.15%) Middleware
8 51 (2.92%) REST
9 50 (2.87%) XSLT
10 45 (2.58%) JSON
11 35 (2.01%) JNI
12 33 (1.89%) HTML5
13 31 (1.78%) AngularJS
14 30 (1.72%) Boost C++ Libraries
15 28 (1.61%) Hibernate
15 28 (1.61%) RESTful
15 28 (1.61%) SOAP
16 27 (1.55%) .NET Framework
17 26 (1.49%) STL
18 21 (1.20%) Node.js
Miscellaneous
1 101 (5.79%) Analytical Skills
2 93 (5.33%) Computer Science
3 58 (3.33%) Embedded Systems
3 58 (3.33%) Greenfield Project
4 52 (2.98%) Management Information System
5 51 (2.92%) Equities
6 49 (2.81%) Foreign Exchange (FX)
7 48 (2.75%) Data Centre
8 46 (2.64%) Algorithms
9 40 (2.29%) Fixed Income
10 34 (1.95%) Device Driver
11 32 (1.83%) User Experience
12 31 (1.78%) Mobile App
13 29 (1.66%) Field-Programmable Gate Array
14 24 (1.38%) STB
15 20 (1.15%) Digital TV
16 17 (0.97%) PKI
17 16 (0.92%) Derivative
17 16 (0.92%) Virtual Team
17 16 (0.92%) Web 2.0
Operating Systems
1 434 (24.89%) Linux
2 247 (14.16%) Windows
3 193 (11.07%) Unix
4 57 (3.27%) Android
4 57 (3.27%) Windows Server
5 52 (2.98%) Red Hat Enterprise Linux
6 44 (2.52%) AIX
7 39 (2.24%) CentOS
8 37 (2.12%) Embedded Linux
9 32 (1.83%) Windows 7
10 26 (1.49%) Apple iOS
11 25 (1.43%) Ubuntu
12 23 (1.32%) Windows 10
13 20 (1.15%) Windows Server 2012
14 16 (0.92%) Solaris
14 16 (0.92%) Windows Server 2008
15 12 (0.69%) Mac OS
15 12 (0.69%) VxWorks
16 5 (0.29%) Windows Embedded Compact
16 5 (0.29%) Windows Server 2003
Processes & Methodologies
1 400 (22.94%) Software Engineering
2 330 (18.92%) Agile Software Development
3 157 (9.00%) SDLC
4 126 (7.22%) Project Management
5 123 (7.05%) Configuration Management
6 111 (6.36%) Scrum
7 102 (5.85%) Test Automation
8 96 (5.50%) ITIL
9 94 (5.39%) TDD
10 92 (5.28%) Multithreading
11 89 (5.10%) OO
12 88 (5.05%) Open Source
13 86 (4.93%) Continuous Integration
14 82 (4.70%) DevOps
14 82 (4.70%) UML
15 79 (4.53%) Mathematics
16 73 (4.19%) Waterfall
17 70 (4.01%) Mentoring
18 69 (3.96%) Stakeholder Management
19 64 (3.67%) Business Intelligence
Programming Languages
1 550 (31.54%) C++
2 396 (22.71%) Java
3 311 (17.83%) SQL
4 295 (16.92%) Python
5 195 (11.18%) C#
6 164 (9.40%) Embedded C
7 163 (9.35%) Perl
8 154 (8.83%) JavaScript
9 62 (3.56%) Bash Shell
10 53 (3.04%) MATLAB
10 53 (3.04%) PHP
11 51 (2.92%) PL/SQL
12 46 (2.64%) Shell Script
13 45 (2.58%) Ruby
14 38 (2.18%) Assembly Language
15 35 (2.01%) Embedded C++
16 32 (1.83%) VB
17 31 (1.78%) T-SQL
18 26 (1.49%) PowerShell
19 24 (1.38%) Scala
Qualifications
1 363 (20.81%) Security Cleared
2 225 (12.90%) SC Cleared
3 208 (11.93%) Degree
4 111 (6.36%) DV Cleared
5 35 (2.01%) Computer Science Degree
6 24 (1.38%) Cisco Certification
7 19 (1.09%) Microsoft Certification
8 18 (1.03%) ISEB
9 17 (0.97%) CCNP
10 16 (0.92%) HNC
11 15 (0.86%) ISTQB
12 13 (0.75%) CISSP
13 12 (0.69%) BPSS Clearance
13 12 (0.69%) CCNA
13 12 (0.69%) PRINCE2 Practitioner
14 10 (0.57%) CISA
14 10 (0.57%) HND
15 7 (0.40%) Master's Degree
16 6 (0.34%) A+ Certification
16 6 (0.34%) CEH
Quality Assurance & Compliance
1 43 (2.47%) QA
2 31 (1.78%) MISRA
3 26 (1.49%) Def Stans
4 22 (1.26%) DO-178B
5 20 (1.15%) SLA
6 14 (0.80%) SEPA
7 13 (0.75%) IEC 61508
7 13 (0.75%) JSP 440
7 13 (0.75%) MISRA C
8 12 (0.69%) PMO
9 11 (0.63%) Data Quality
10 10 (0.57%) GDPR
10 10 (0.57%) MIL-STD-1553
11 9 (0.52%) IEC 62304
12 8 (0.46%) ISO 14001
12 8 (0.46%) ISO 9001
13 7 (0.40%) ISO/IEC 27001
14 6 (0.34%) Disclosure Scotland
14 6 (0.34%) ISO/IEC 20000
14 6 (0.34%) NEBOSH
System Software
1 66 (3.78%) Docker
2 58 (3.33%) Active Directory
3 36 (2.06%) Firmware
4 29 (1.66%) VMware Infrastructure
5 12 (0.69%) XenApp
6 11 (0.63%) vSphere
7 8 (0.46%) XenDesktop
8 6 (0.34%) KVM
8 6 (0.34%) ProxySG
8 6 (0.34%) VMware ESXi
9 4 (0.23%) iptables
9 4 (0.23%) Oracle RAC
9 4 (0.23%) Virtual Desktop
9 4 (0.23%) Virtual Machines
10 3 (0.17%) Cygwin
10 3 (0.17%) LXC
10 3 (0.17%) RHEV
10 3 (0.17%) Xen
10 3 (0.17%) XenServer
11 2 (0.11%) VMware Workstation
Systems Management
1 41 (2.35%) Puppet
2 29 (1.66%) Opscode Chef
3 25 (1.43%) Ansible
4 24 (1.38%) SCCM
5 12 (0.69%) Kubernetes
5 12 (0.69%) Microsoft Intune
5 12 (0.69%) SCOM
6 11 (0.63%) Kibana
6 11 (0.63%) vCenter Server
7 9 (0.52%) yum
8 7 (0.40%) HP Quality Center
8 7 (0.40%) Terraform
9 6 (0.34%) Cisco CUCM
9 6 (0.34%) Oracle RMAN
10 5 (0.29%) Graphite
10 5 (0.29%) HP Fortify
10 5 (0.29%) Rancher
11 4 (0.23%) Cobbler
11 4 (0.23%) Mesos
11 4 (0.23%) NetBackup
Vendors
1 186 (10.67%) Oracle
2 176 (10.09%) Microsoft
3 59 (3.38%) Cisco
4 57 (3.27%) VMware
5 55 (3.15%) Red Hat
6 53 (3.04%) SAP
7 33 (1.89%) ION Trading
8 31 (1.78%) HP
9 29 (1.66%) IBM
10 24 (1.38%) Citrix
10 24 (1.38%) Sybase
11 23 (1.32%) Google
12 15 (0.86%) Serena
13 14 (0.80%) WSO2
14 13 (0.75%) ServiceNow
15 12 (0.69%) EMC
16 11 (0.63%) TIBCO
17 9 (0.52%) Apple
17 9 (0.52%) Nokia
17 9 (0.52%) webMethods
Newmarket, Suffolk
SoCode Limited
Rate: £40k - 60k per year
Posted: 16 hours ago
Cambridgeshire
CPS Group Limited
Posted: 3 days ago
London
Experis Ltd
Rate: £300.00 - £400 per day
Posted: Yesterday
Cambridge
CPS Group Limited
Posted: 3 days ago
City, London
Randstad Strategic Accounts
Rate: £24.23 - £30.07 per hour
Posted: Yesterday
Cambridge, Cambridgeshire
Edissero Ltd
Rate: £Competitive
Posted: Yesterday
Birmingham, West Midlands (County)
Spring Technology
Posted: 2 days ago
Edinburgh
CPS Group Limited
Posted: 6 days ago
Cambridgeshire
The Wellcome Trust Sanger Institute
Rate: £3115 - £34151 per annum + excellent benefits
Posted: 3 days ago
Cambridge, Cambridgeshire
Empiric
Rate: From £40 to £44 per hour
Posted: Yesterday
Leeds, West Yorkshire
LA International
Posted: 19 hours ago
Livingston, West Lothian
Net Talent
Posted: 5 days ago
Oxfordshire
Progressive Recruitment
Rate: competitive
Posted: 2 days ago
Cambridge, Cambridgeshire
Edissero Ltd
Rate: £Competitive
Posted: 2 days ago
Birmingham, West Midlands (County)
Resource Group
Rate: £250 - £400 per day
Posted: 5 days ago
Swindon
Lawrence Harvey
Rate: £300.00 - £350.00 per day
Posted: 2 days ago
Birmingham, West Midlands (County)
Resource Group
Rate: £250 - £400 per day
Posted: 5 days ago
Stockport, Cheshire
BOSCH Automotive Service Solutions
Rate: £Competitive + Benefits
Posted: Yesterday
Birmingham, West Midlands (County)
Resource Group
Rate: £250 - £400 per day
Posted: 5 days ago
Birmingham, West Midlands (County)
FIS Global
Rate: Up to £300 per day
Posted: 5 days ago
Dundee, Angus
Cathcart Associates Ltd
Posted: 5 days ago
Birmingham, West Midlands (County)
Spring Technology
Posted: 2 days ago
South Yorkshire
Nigel Frank International
Rate: £200 per day
Posted: Yesterday
Basingstoke
Spectrum IT
Posted: 10 days ago
South West London
LA International
Posted: 5 days ago
Leeds, West Yorkshire
Harvey Nash plc
Rate: £500 - £550 per annum +
Posted: 6 days ago
Southend-On-Sea, Essex
Elevate Direct
Rate: From £550 to £615 per day
Posted: 2 days ago
Cambridge
OHO Group Ltd.
Rate: £40 - £55 per annum
Posted: 21 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £500 - £550 per day
Posted: Yesterday
West Yorkshire
Modis International
Rate: £200.00 - £300.00 per day
Posted: Yesterday