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 27 May 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
27 May 2017
Same period 2016 Same period 2015
Rank 141 129 124
Rank change year-on-year -12 -5  
Contract jobs citing C 837 1049 972
As % of all contract IT jobs advertised in the UK 1.84% 1.92% 1.79%
As % of the Programming Languages category 4.36% 4.99% 4.75%
Number of daily rates quoted 431 529 508
Median daily rate £438 £423 £393
Median daily rate % change year-on-year +3.48% +7.70%  
90% offered a daily rate of more than £300 £295 £263
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 108 153 115
Median hourly rate £42.50 £37.50 £37.50
Median hourly rate % change year-on-year +13.33% -  
90% offered a hourly rate of more than £32.50 £13.00 £18.50
10% offered a hourly rate of more than £50.00 £47.50 £45.00
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 19188 21012 20476
As % of all contract IT job vacancies advertised in the UK 42.13% 38.52% 37.62%
Number of daily rates quoted 13080 14472 13578
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 £313 £300 £275
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 390 470 422
Median hourly rate £42.50 £37.50 £36.00
Median hourly rate % change year-on-year +13.33% +4.16%  
90% offered a hourly rate of more than £22.00 £12.50 £19.00
10% offered a hourly rate of more than £50.50 £47.50 £47.50
UK excluding London median hourly rate £42.50 £37.50 £36.00
% change year-on-year +13.33% +4.16%  

C
Job Vacancy Trend

The job posting trend of jobs advertised 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 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 27 May 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 27 May 2017.

Contractor hourly rate histogram for C in the UK

C
Top 30 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 27 May 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 -12 769 £440 +3.52% 472
London +2 304 £500 +5.26% 107
South East 0 183 £388 +7.26% 112
South West -19 89 £388 -13.88% 60
East of England +30 79 £438 +9.37% 85
Hampshire +3 57 £351 -3.31% 27
Surrey +13 51 £438 +8.69% 25
North West +9 40 £450 -10.00% 27
Cambridgeshire +24 39 £463 +19.35% 72
City of London +9 39 £525 +12.29% 15
Cambridge +21 30 £389 +8.36% 63
Gloucestershire -8 30 £430 -18.09% 8
Scotland +31 28 £252 -26.02% 35
Wiltshire +9 26 £325 -13.33% 5
Bristol +6 24 £394 +1.74% 32
East Midlands -5 24 £340 -15.00% 14
Berkshire +5 23 £370 +2.06% 17
West Sussex +27 22 £300 -11.76% 10
Essex +8 21 £475 +31.94% 4
West Midlands 0 21 £325 -23.52% 30
Manchester +15 18 £450 +12.50% 20
Crawley +11 18 £300 -11.76% 5
Yorkshire -18 16 £350 +7.69% 25
Redhill - 16 £438 - 4
Edinburgh +19 15 £475 +46.15% 18
Northern Ireland - 15 £413 - 1
County Antrim - 15 £413 - 1
Belfast - 15 £413 - 1
Cheshire +23 14 £450 -21.05% 4
Reading +9 14 £351 -6.33% 3

For the 6 months to 27 May 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.

1 541 (31.09%) C++
2 411 (23.62%) Linux
3 407 (23.39%) Java
4 388 (22.30%) Security Cleared
5 369 (21.21%) Software Engineering
6 314 (18.05%) Agile Software Development
7 313 (17.99%) Finance
8 301 (17.30%) Python
9 300 (17.24%) SQL
10 271 (15.57%) Windows
11 238 (13.68%) SC Cleared
12 217 (12.47%) Degree
13 203 (11.67%) C#
14 190 (10.92%) Oracle
15 188 (10.80%) Microsoft
16 171 (9.83%) Unix
17 165 (9.48%) SDLC
18 161 (9.25%) Perl
19 153 (8.79%) Embedded C
20 149 (8.56%) JavaScript
21 145 (8.33%) Project Management
22 133 (7.64%) HTML
23 131 (7.53%) DV Cleared
24 130 (7.47%) Configuration Management
25 124 (7.13%) Banking
26 120 (6.90%) Scrum
26 120 (6.90%) SQL Server
27 112 (6.44%) .NET
27 112 (6.44%) Git (software)
28 111 (6.38%) 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 69 (3.97%) Apache
2 45 (2.59%) SharePoint
2 45 (2.59%) Tomcat
3 43 (2.47%) WebLogic
4 28 (1.61%) Confluence
4 28 (1.61%) nginx
5 26 (1.49%) JBoss
6 23 (1.32%) Skype for Business
7 22 (1.26%) WebSphere
8 21 (1.21%) Oracle SOA Suite
9 19 (1.09%) CMS
9 19 (1.09%) Elasticsearch
10 18 (1.03%) IIS
11 14 (0.80%) Apache Spark
11 14 (0.80%) TPMS
12 13 (0.75%) MS Exchange
13 11 (0.63%) SAS
14 8 (0.46%) Apache Pig
15 7 (0.40%) ArcGIS
15 7 (0.40%) Exchange Server 2013
Applications
1 83 (4.77%) Microsoft Office
2 67 (3.85%) Microsoft Excel
3 26 (1.49%) MS Visio
4 23 (1.32%) Microsoft PowerPoint
5 20 (1.15%) Simulink
6 19 (1.09%) Microsoft Project
7 17 (0.98%) Doxygen
8 6 (0.34%) AutoCAD
9 5 (0.29%) Spreadsheet
10 4 (0.23%) Adobe Creative Suite
10 4 (0.23%) Photoshop
11 3 (0.17%) Siemens NX
12 2 (0.11%) Adobe Illustrator
12 2 (0.11%) TargetLink
13 1 (0.057%) Acrobat
13 1 (0.057%) FrameMaker
13 1 (0.057%) InfoPath
13 1 (0.057%) LaTeX
13 1 (0.057%) Maya
13 1 (0.057%) Stateflow
Business Applications
1 25 (1.44%) Dynamics NAV
2 14 (0.80%) ION MarketView
3 12 (0.69%) Oracle EBS
3 12 (0.69%) Oracle iRecruitment
4 11 (0.63%) LabWindows
5 10 (0.57%) Dynamics CRM
6 8 (0.46%) SAP Oil and Gas
7 5 (0.29%) Endur
7 5 (0.29%) WebTrends
8 4 (0.23%) Oracle Payroll
8 4 (0.23%) Primavera
8 4 (0.23%) Teamcenter
9 3 (0.17%) Oracle 11i
9 3 (0.17%) SAP GTS
9 3 (0.17%) SAP HCM
9 3 (0.17%) Siebel CRM
10 2 (0.11%) Oracle ERP
10 2 (0.11%) Oracle Financials
10 2 (0.11%) Oracle Payables
10 2 (0.11%) Remedy ITSM
Cloud Services
1 58 (3.33%) Amazon AWS
2 41 (2.36%) Microsoft Azure
3 40 (2.30%) Office 365
4 19 (1.09%) SaaS
5 18 (1.03%) IaaS
6 17 (0.98%) PaaS
7 10 (0.57%) GitHub
7 10 (0.57%) Google Cloud Platform
8 9 (0.52%) Amazon S3
8 9 (0.52%) Oracle CX
9 8 (0.46%) Oracle Service Cloud
10 6 (0.34%) Yammer
11 5 (0.29%) Adobe Analytics
11 5 (0.29%) Amazon EC2
12 4 (0.23%) Azure Active Directory
12 4 (0.23%) Cloud Computing
12 4 (0.23%) G Suite
13 3 (0.17%) OneDrive
14 2 (0.11%) AWS Lambda
14 2 (0.11%) Google Analytics
Communications & Networking
1 111 (6.38%) TCP/IP
2 56 (3.22%) HTTP
2 56 (3.22%) SSL
3 50 (2.87%) Firewall
4 49 (2.82%) DNS
5 36 (2.07%) WAN
6 34 (1.95%) Wireless
7 31 (1.78%) Internet
8 28 (1.61%) VPN
9 27 (1.55%) Bluetooth
9 27 (1.55%) Wi-Fi
10 26 (1.49%) DHCP
11 23 (1.32%) LAN
12 22 (1.26%) Ethernet
13 21 (1.21%) DVB
14 19 (1.09%) Skype
15 16 (0.92%) BGP
16 15 (0.86%) Wireshark
17 14 (0.80%) VoIP
18 12 (0.69%) MPLS
Database & Business Intelligence
1 120 (6.90%) SQL Server
2 55 (3.16%) Relational Database
3 46 (2.64%) Oracle Database
4 43 (2.47%) Hadoop
5 42 (2.41%) Big Data
6 40 (2.30%) PostgreSQL
7 31 (1.78%) Oracle Database 11g
8 30 (1.72%) MongoDB
8 30 (1.72%) NoSQL
9 29 (1.67%) MySQL
10 26 (1.49%) Data Warehouse
11 24 (1.38%) Oracle Database 12c
12 15 (0.86%) KDB
12 15 (0.86%) SQL Server Integration Services
13 12 (0.69%) RDBMS
14 11 (0.63%) BusinessObjects
14 11 (0.63%) Crystal Reports
15 10 (0.57%) DB2
15 10 (0.57%) Oracle BI EE
15 10 (0.57%) SQL Server 2012
Development Applications
1 112 (6.44%) Git (software)
2 79 (4.54%) Jenkins
3 70 (4.02%) JIRA
4 56 (3.22%) ProC
5 54 (3.10%) Visual Studio
6 45 (2.59%) Rational DOORS
7 41 (2.36%) Eclipse
8 36 (2.07%) Subversion
9 28 (1.61%) Rational Rhapsody
10 25 (1.44%) Selenium
11 20 (1.15%) Team Foundation Server
12 15 (0.86%) JMeter
12 15 (0.86%) JUnit
12 15 (0.86%) LoadRunner
13 12 (0.69%) Oracle Forms
13 12 (0.69%) SoapUI
14 11 (0.63%) Bitbucket
15 10 (0.57%) GDB
15 10 (0.57%) NUnit
16 9 (0.52%) GCC
General
1 313 (17.99%) Finance
2 124 (7.13%) Banking
3 81 (4.66%) Telecoms
4 78 (4.48%) Electronics
5 44 (2.53%) Marketing
6 38 (2.18%) Aerospace
6 38 (2.18%) Automotive
6 38 (2.18%) Front Office
7 37 (2.13%) Investment Banking
8 32 (1.84%) Manufacturing
9 31 (1.78%) Military
10 27 (1.55%) Retail
11 25 (1.44%) Legal
12 23 (1.32%) Law
13 22 (1.26%) Games
14 20 (1.15%) Avionics
15 18 (1.03%) Back Office
16 14 (0.80%) Publishing
17 9 (0.52%) Advertising
18 8 (0.46%) Financial Institution
Job Titles
1 452 (25.98%) Developer
2 254 (14.60%) Software Engineer
3 141 (8.10%) Embedded Engineer
4 133 (7.64%) Architect
5 115 (6.61%) Java Developer
6 112 (6.44%) Analyst
7 101 (5.80%) C++ Developer
8 97 (5.57%) Embedded Software Engineer
9 78 (4.48%) Project Manager
10 74 (4.25%) Consultant
11 70 (4.02%) C Developer
11 70 (4.02%) C++ Software Engineer
12 53 (3.05%) Systems Engineer
13 52 (2.99%) Linux Engineer
14 48 (2.76%) C Software Engineer
14 48 (2.76%) Software Developer
15 47 (2.70%) SQL Developer
16 46 (2.64%) Senior Developer
17 44 (2.53%) C# Developer
17 44 (2.53%) Oracle Architect
Libraries, Frameworks & Software Standards
1 133 (7.64%) HTML
2 112 (6.44%) .NET
3 88 (5.06%) Web Services
4 86 (4.94%) XML
5 61 (3.51%) J2EE
6 57 (3.28%) CSS
7 52 (2.99%) REST
8 48 (2.76%) XSLT
9 47 (2.70%) Middleware
10 41 (2.36%) JSON
11 35 (2.01%) HTML5
12 31 (1.78%) JNI
13 30 (1.72%) AngularJS
14 29 (1.67%) Hibernate
15 25 (1.44%) STL
16 24 (1.38%) Boost C++ Libraries
16 24 (1.38%) Node.js
16 24 (1.38%) RESTful
17 23 (1.32%) .NET Framework
18 19 (1.09%) ASP.NET
Miscellaneous
1 106 (6.09%) Computer Science
2 96 (5.52%) Analytical Skills
3 54 (3.10%) Embedded Systems
4 51 (2.93%) Management Information System
5 49 (2.82%) Data Centre
6 47 (2.70%) Equities
7 46 (2.64%) Foreign Exchange (FX)
8 45 (2.59%) Greenfield Project
9 42 (2.41%) Algorithms
10 36 (2.07%) Fixed Income
11 33 (1.90%) Device Driver
12 30 (1.72%) Mobile App
13 26 (1.49%) PKI
14 25 (1.44%) Field-Programmable Gate Array
14 25 (1.44%) STB
14 25 (1.44%) User Experience
15 22 (1.26%) Digital TV
16 19 (1.09%) MPEG
17 16 (0.92%) CMDB
17 16 (0.92%) Web 2.0
Operating Systems
1 411 (23.62%) Linux
2 271 (15.57%) Windows
3 171 (9.83%) Unix
4 65 (3.74%) Windows Server
5 56 (3.22%) Android
6 51 (2.93%) Red Hat Enterprise Linux
7 37 (2.13%) Windows 7
8 36 (2.07%) Embedded Linux
9 35 (2.01%) AIX
10 33 (1.90%) CentOS
11 29 (1.67%) Apple iOS
12 27 (1.55%) Windows 10
13 25 (1.44%) Ubuntu
14 22 (1.26%) Windows Server 2012
15 20 (1.15%) Windows Server 2008
16 15 (0.86%) Solaris
17 10 (0.57%) Mac OS
17 10 (0.57%) VxWorks
18 9 (0.52%) MVS
19 8 (0.46%) CatOS
Processes & Methodologies
1 369 (21.21%) Software Engineering
2 314 (18.05%) Agile Software Development
3 165 (9.48%) SDLC
4 145 (8.33%) Project Management
5 130 (7.47%) Configuration Management
6 120 (6.90%) Scrum
7 109 (6.26%) Test Automation
8 101 (5.80%) ITIL
9 96 (5.52%) DevOps
10 94 (5.40%) Open Source
11 92 (5.29%) TDD
12 89 (5.11%) UML
13 88 (5.06%) Multithreading
14 86 (4.94%) Mathematics
15 85 (4.89%) Continuous Integration
16 80 (4.60%) OO
16 80 (4.60%) Waterfall
17 72 (4.14%) Stakeholder Management
18 71 (4.08%) Migration
19 63 (3.62%) Mentoring
Programming Languages
1 541 (31.09%) C++
2 407 (23.39%) Java
3 301 (17.30%) Python
4 300 (17.24%) SQL
5 203 (11.67%) C#
6 161 (9.25%) Perl
7 153 (8.79%) Embedded C
8 149 (8.56%) JavaScript
9 61 (3.51%) MATLAB
10 60 (3.45%) Bash Shell
11 52 (2.99%) PHP
12 51 (2.93%) Ruby
13 50 (2.87%) PL/SQL
14 49 (2.82%) Shell Script
15 38 (2.18%) Embedded C++
16 33 (1.90%) Assembly Language
17 30 (1.72%) T-SQL
18 29 (1.67%) PowerShell
19 28 (1.61%) VB
20 21 (1.21%) Scala
Qualifications
1 388 (22.30%) Security Cleared
2 238 (13.68%) SC Cleared
3 217 (12.47%) Degree
4 131 (7.53%) DV Cleared
5 38 (2.18%) Computer Science Degree
6 25 (1.44%) Cisco Certification
7 20 (1.15%) ISEB
7 20 (1.15%) PRINCE2 Practitioner
8 18 (1.03%) CCNP
9 16 (0.92%) Microsoft Certification
10 14 (0.80%) ISTQB
11 13 (0.75%) CCNA
11 13 (0.75%) CISSP
11 13 (0.75%) HNC
12 12 (0.69%) BPSS Clearance
13 10 (0.57%) CISA
14 9 (0.52%) HND
15 8 (0.46%) AWS Certification
15 8 (0.46%) ITIL Certification
16 7 (0.40%) PhD
Quality Assurance & Compliance
1 46 (2.64%) QA
2 27 (1.55%) MISRA
3 24 (1.38%) Def Stans
4 20 (1.15%) DO-178B
5 19 (1.09%) SLA
6 17 (0.98%) IEC 61508
7 16 (0.92%) JSP 440
7 16 (0.92%) MISRA C
8 14 (0.80%) PMO
8 14 (0.80%) SEPA
9 12 (0.69%) Data Quality
10 10 (0.57%) ISO 26262
11 9 (0.52%) MIL-STD-1553
12 8 (0.46%) GDPR
12 8 (0.46%) IEC 62304
12 8 (0.46%) ISO/IEC 27001
13 6 (0.34%) ISO 14001
13 6 (0.34%) ISO 9001
14 5 (0.29%) Disclosure Scotland
14 5 (0.29%) PCI DSS
System Software
1 75 (4.31%) Docker
2 74 (4.25%) Active Directory
3 38 (2.18%) Firmware
4 34 (1.95%) VMware Infrastructure
5 13 (0.75%) XenApp
6 12 (0.69%) vSphere
7 8 (0.46%) XenDesktop
8 7 (0.40%) Virtual Machines
9 6 (0.34%) KVM
9 6 (0.34%) ProxySG
10 5 (0.29%) VMware ESXi
11 4 (0.23%) LXC
11 4 (0.23%) Oracle RAC
11 4 (0.23%) Virtual Desktop
11 4 (0.23%) XenServer
12 3 (0.17%) RHEV
12 3 (0.17%) Xen
13 2 (0.11%) iptables
13 2 (0.11%) vCloud
13 2 (0.11%) Virtual Servers
Systems Management
1 43 (2.47%) Puppet
2 35 (2.01%) Opscode Chef
3 30 (1.72%) SCCM
4 26 (1.49%) Ansible
5 25 (1.44%) Microsoft Intune
6 21 (1.21%) SCOM
7 13 (0.75%) Kubernetes
8 12 (0.69%) vCenter Server
9 10 (0.57%) Kibana
10 9 (0.52%) Terraform
11 8 (0.46%) Graphite
11 8 (0.46%) Rancher
11 8 (0.46%) yum
12 7 (0.40%) Cisco CUCM
12 7 (0.40%) vRealize
13 6 (0.34%) HP Quality Center
13 6 (0.34%) Oracle RMAN
14 5 (0.29%) HP Fortify
15 4 (0.23%) NetBackup
15 4 (0.23%) WSUS
Vendors
1 190 (10.92%) Oracle
2 188 (10.80%) Microsoft
3 66 (3.79%) Cisco
4 65 (3.74%) VMware
5 53 (3.05%) Red Hat
6 49 (2.82%) SAP
7 31 (1.78%) HP
8 29 (1.67%) ION Trading
9 26 (1.49%) Citrix
9 26 (1.49%) Google
9 26 (1.49%) IBM
10 25 (1.44%) Sybase
11 17 (0.98%) ServiceNow
12 13 (0.75%) EMC
12 13 (0.75%) WSO2
13 12 (0.69%) TIBCO
14 11 (0.63%) BT
14 11 (0.63%) Serena
14 11 (0.63%) Siemens
15 10 (0.57%) webMethods
West Midlands
ReThink Recruitment
Posted: Yesterday
Hampshire
Net Talent
Posted: 2 days ago
Leeds, West Yorkshire
CoreCom Consulting
Posted: Yesterday
East Grinstead, West Sussex
Software Personnel International Ltd
Rate: £45 per hour
Posted: Yesterday
Newport, Gwent
LA International
Posted: Yesterday
Cambridge, Cambridgeshire
Source Technology
Rate: From £42 to £50 per hour
Posted: 2 days ago
West Midlands
ReThink Recruitment
Posted: Yesterday
Bath, Avon
Darwin Recruitment
Rate: £275 - £400 per day
Posted: 3 days ago
Bristol
Nigel Frank International
Rate: £400 - £500 per annum
Posted: Yesterday
West Midlands
Nigel Frank International Ltd
Posted: 2 days ago
UK
Deltaclass Technology Solutions Ltd
Posted: 3 days ago
Somerset
Resource Group
Rate: £350 - £450 per day
Posted: 3 days ago
Oxford, Oxfordshire
Colston Consulting
Rate: £440 - £490 per day
Posted: 2 days ago
South East
Hanson Regan Ltd
Rate: Neg V.Good
Posted: 5 days ago
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Posted: 5 days ago
Leeds
Pearson Frank
Rate: £250 - £350 per day
Posted: Yesterday
London
Hanover Recruitment
Rate: £400 - £500 per annum
Posted: 4 days ago
London
Experis Ltd
Posted: 5 days ago
London
Amoria Bond Ltd
Posted: 2 days ago
Somerset
Nigel Frank International
Rate: £250 per annum
Posted: Yesterday
Newcastle upon Tyne
Pearson Frank
Rate: £250 - £350 per day
Posted: 4 days ago
South Yorkshire
Nigel Frank International
Rate: £500 per day
Posted: 2 days ago
Hampshire
Nigel Frank International
Posted: Yesterday
Worthing, West Sussex
Experis Ltd
Posted: 5 days ago
Saffron Walden, Essex
The Wellcome Trust Sanger Institute
Posted: 16 days ago
London
OHO Group Ltd.
Rate: £300 - £400 per day
Posted: 25 days ago
West London
Square One Resources
Rate: Unspecified Market Rates
Posted: Yesterday
London
Nigel Frank International
Rate: £500 - £575 per day
Posted: 5 days ago
Yorkshire
Spargonet Consulting Plc
Rate: £400 - £450 per day
Posted: 3 days ago