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 24 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
UK
3 months to
24 Apr 2017
Same period 2016 Same period 2015
Rank 126 119 113
Rank change year-on-year -7 -6  
Contract jobs citing C 898 1116 1073
As % of all contract IT jobs advertised in the UK 1.94% 2.00% 1.89%
As % of the Programming Languages category 4.68% 5.23% 5.08%
Number of daily rates quoted 497 547 527
Median daily rate £440 £400 £400
Median daily rate % change year-on-year +10.00% -  
90% offered a daily rate of more than £300 £275 £280
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.66% +3.44%  
Number of hourly rates quoted 110 157 116
Median hourly rate £42.50 £37.50 £36.40
Median hourly rate % change year-on-year +13.33% +3.02%  
90% offered a hourly rate of more than £24.90 £15.00 £26.50
10% offered a hourly rate of more than £55.00 £46.20 £42.90
UK excluding London median hourly rate £42.50 £39.00 £36.00
% change year-on-year +8.97% +8.33%  

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 19173 21356 21138
As % of all contract IT job vacancies advertised in the UK 41.41% 38.21% 37.23%
Number of daily rates quoted 13180 14664 13707
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 £575
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 416 469 443
Median hourly rate £42.50 £38.00 £35.00
Median hourly rate % change year-on-year +11.84% +8.57%  
90% offered a hourly rate of more than £22.00 £13.00 £19.91
10% offered a hourly rate of more than £52.50 £47.50 £45.00
UK excluding London median hourly rate £42.50 £38.00 £35.50
% change year-on-year +11.84% +7.04%  

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 24 April 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 24 April 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 24 April 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 -11 841 £450 +12.50% 462
London +36 354 £500 +11.11% 129
South East -13 197 £413 +9.27% 80
South West -24 93 £425 -5.55% 62
East of England +23 89 £400 - 81
Hampshire -23 56 £413 +10.00% 18
Surrey +10 51 £444 +4.41% 5
Cambridgeshire +15 47 £425 +6.25% 70
Cambridge +23 43 £425 +24.08% 62
City of London +22 41 £525 +5.00% 33
Gloucestershire -7 39 £475 -11.62% 11
West Midlands +21 37 £440 +46.66% 24
Berkshire +15 33 £350 -6.66% 20
North West -11 33 £450 +5.88% 30
West Sussex +16 28 £325 -5.79% 4
Bristol +8 25 £363 +0.69% 26
Wales +10 21 £425 +13.33% 16
Reading +21 20 £325 -13.33% 5
Scotland +12 19 £353 +5.22% 21
Essex +5 19 £413 +14.58% 2
Crawley +12 18 £313 -23.31% 3
Hertfordshire +8 18 £350 - 6
East Midlands -12 18 £340 -8.10% 16
South Wales +14 16 £450 +20.00% 13
Wiltshire -13 16 £350 - 2
Redhill 0 15 £500 -4.76%
Yorkshire -7 15 £350 - 25
Manchester +11 14 £438 -2.77% 17
Oxfordshire -4 12 £450 +33.33% 20
West Yorkshire +2 11 £350 -3.78% 8

For the 6 months to 24 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 with a requirement for C.

1 514 (28.84%) C++
2 417 (23.40%) Java
3 408 (22.90%) Security Cleared
4 404 (22.67%) Linux
5 384 (21.55%) Software Engineering
6 316 (17.73%) Agile Software Development
7 308 (17.28%) Python
8 300 (16.84%) Finance
9 288 (16.16%) Windows
10 279 (15.66%) SQL
11 238 (13.36%) Degree
12 236 (13.24%) SC Cleared
13 204 (11.45%) Microsoft
14 196 (11.00%) C#
15 183 (10.27%) Oracle
16 170 (9.54%) Embedded C
17 169 (9.48%) Unix
18 158 (8.87%) Perl
19 156 (8.75%) Project Management
19 156 (8.75%) SDLC
20 151 (8.47%) JavaScript
21 150 (8.42%) DV Cleared
22 136 (7.63%) HTML
23 128 (7.18%) Configuration Management
24 122 (6.85%) Computer Science
25 116 (6.51%) Scrum
26 113 (6.34%) SQL Server
27 112 (6.29%) TCP/IP
28 108 (6.06%) Banking
29 105 (5.89%) .NET

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 (3.87%) Apache
2 45 (2.53%) Tomcat
2 45 (2.53%) WebLogic
3 44 (2.47%) SharePoint
4 35 (1.96%) nginx
5 27 (1.52%) Confluence
5 27 (1.52%) JBoss
6 23 (1.29%) WebSphere
7 22 (1.23%) IIS
8 21 (1.18%) Skype for Business
9 20 (1.12%) Oracle SOA Suite
10 19 (1.07%) CMS
11 18 (1.01%) Apache Spark
12 14 (0.79%) Elasticsearch
13 11 (0.62%) TPMS
14 10 (0.56%) MS Exchange
15 9 (0.51%) Apache Pig
15 9 (0.51%) SAS
16 5 (0.28%) Cloud Foundry
16 5 (0.28%) OpenStack
Applications
1 95 (5.33%) Microsoft Office
2 81 (4.55%) Microsoft Excel
3 32 (1.80%) MS Visio
4 31 (1.74%) Microsoft PowerPoint
5 21 (1.18%) Simulink
6 19 (1.07%) Microsoft Project
7 14 (0.79%) Doxygen
8 8 (0.45%) Spreadsheet
9 7 (0.39%) AutoCAD
10 4 (0.22%) Adobe Creative Suite
10 4 (0.22%) Photoshop
11 3 (0.17%) Siemens NX
12 2 (0.11%) Adobe Illustrator
12 2 (0.11%) InfoPath
12 2 (0.11%) TargetLink
13 1 (0.056%) Acrobat
13 1 (0.056%) Autodesk Inventor
13 1 (0.056%) FrameMaker
13 1 (0.056%) LaTeX
13 1 (0.056%) Stateflow
Business Applications
1 39 (2.19%) Dynamics NAV
2 14 (0.79%) ION MarketView
3 12 (0.67%) Oracle iRecruitment
4 11 (0.62%) Dynamics CRM
4 11 (0.62%) Oracle EBS
5 9 (0.51%) SAP Oil and Gas
6 8 (0.45%) LabWindows
7 5 (0.28%) Dynamics AX
7 5 (0.28%) Endur
7 5 (0.28%) WebTrends
8 4 (0.22%) Oracle Payroll
8 4 (0.22%) Primavera
8 4 (0.22%) Teamcenter
9 3 (0.17%) SAP GTS
9 3 (0.17%) SAP HCM
10 2 (0.11%) Oracle BPM
10 2 (0.11%) Oracle Payables
10 2 (0.11%) Oracle Receivables
10 2 (0.11%) Payment Gateway
10 2 (0.11%) Sonata
Cloud Services
1 63 (3.54%) Amazon AWS
2 44 (2.47%) Microsoft Azure
3 40 (2.24%) Office 365
4 19 (1.07%) SaaS
5 18 (1.01%) IaaS
5 18 (1.01%) PaaS
6 14 (0.79%) Amazon S3
7 11 (0.62%) Google Cloud Platform
8 9 (0.51%) Oracle CX
9 8 (0.45%) Amazon EC2
9 8 (0.45%) GitHub
10 7 (0.39%) Azure Active Directory
11 6 (0.34%) Adobe Analytics
12 4 (0.22%) Cloud Computing
12 4 (0.22%) Yammer
13 3 (0.17%) Amazon CloudWatch
13 3 (0.17%) Amazon SQS
13 3 (0.17%) AWS CloudFormation
13 3 (0.17%) G Suite
13 3 (0.17%) OneDrive
Communications & Networking
1 112 (6.29%) TCP/IP
2 62 (3.48%) HTTP
3 54 (3.03%) SSL
4 53 (2.97%) DNS
5 41 (2.30%) Firewall
5 41 (2.30%) Wireless
6 36 (2.02%) Internet
7 33 (1.85%) VPN
7 33 (1.85%) WAN
8 30 (1.68%) DHCP
9 25 (1.40%) Bluetooth
9 25 (1.40%) Wi-Fi
10 24 (1.35%) LAN
11 19 (1.07%) BGP
11 19 (1.07%) DVB
12 18 (1.01%) Ethernet
13 16 (0.90%) Skype
13 16 (0.90%) SNMP
14 15 (0.84%) VoIP
15 14 (0.79%) LDAP
Database & Business Intelligence
1 113 (6.34%) SQL Server
2 50 (2.81%) Big Data
2 50 (2.81%) Hadoop
2 50 (2.81%) Relational Database
3 44 (2.47%) Oracle Database
4 38 (2.13%) PostgreSQL
5 30 (1.68%) NoSQL
6 26 (1.46%) Oracle Database 11g
7 24 (1.35%) Data Warehouse
8 23 (1.29%) MongoDB
9 22 (1.23%) MySQL
10 19 (1.07%) Oracle Database 12c
11 18 (1.01%) SQL Server Integration Services
12 16 (0.90%) KDB
13 11 (0.62%) DB2
13 11 (0.62%) RDBMS
14 10 (0.56%) Kdb+
14 10 (0.56%) Oracle BI EE
15 9 (0.51%) Oracle ODI
15 9 (0.51%) Oracle Reports
Development Applications
1 105 (5.89%) Git (software)
2 71 (3.98%) Jenkins
3 55 (3.09%) JIRA
4 46 (2.58%) ProC
5 44 (2.47%) Rational DOORS
6 41 (2.30%) Eclipse
7 37 (2.08%) Visual Studio
8 31 (1.74%) Subversion
9 23 (1.29%) Rational Rhapsody
10 21 (1.18%) Selenium
11 17 (0.95%) Team Foundation Server
12 16 (0.90%) JUnit
13 14 (0.79%) GCC
14 13 (0.73%) JMeter
15 12 (0.67%) LoadRunner
16 11 (0.62%) Maven
17 10 (0.56%) SoapUI
18 9 (0.51%) Atlassian Bamboo
18 9 (0.51%) Cucumber
19 8 (0.45%) Talend Open Studio
General
1 300 (16.84%) Finance
2 108 (6.06%) Banking
3 80 (4.49%) Telecoms
4 70 (3.93%) Electronics
5 42 (2.36%) Marketing
6 38 (2.13%) Automotive
6 38 (2.13%) Front Office
7 36 (2.02%) Aerospace
7 36 (2.02%) Manufacturing
8 34 (1.91%) Retail
9 30 (1.68%) Military
10 28 (1.57%) Investment Banking
11 25 (1.40%) Legal
12 22 (1.23%) Law
13 21 (1.18%) Games
14 15 (0.84%) Advertising
14 15 (0.84%) Publishing
15 13 (0.73%) Avionics
16 12 (0.67%) Back Office
17 8 (0.45%) Billing
Job Titles
1 425 (23.85%) Developer
2 264 (14.81%) Software Engineer
3 155 (8.70%) Embedded Engineer
4 147 (8.25%) Architect
5 123 (6.90%) Analyst
6 115 (6.45%) Java Developer
7 109 (6.12%) Embedded Software Engineer
8 90 (5.05%) C++ Developer
9 80 (4.49%) Project Manager
10 78 (4.38%) Consultant
11 65 (3.65%) C++ Software Engineer
12 64 (3.59%) C Developer
13 60 (3.37%) C Software Engineer
14 55 (3.09%) Systems Engineer
15 52 (2.92%) Linux Engineer
16 50 (2.81%) Business Analyst
17 43 (2.41%) Oracle Architect
17 43 (2.41%) SQL Developer
18 42 (2.36%) Embedded C Engineer
19 41 (2.30%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 136 (7.63%) HTML
2 105 (5.89%) .NET
3 88 (4.94%) XML
4 87 (4.88%) Web Services
5 65 (3.65%) J2EE
6 54 (3.03%) CSS
7 47 (2.64%) XSLT
8 43 (2.41%) REST
9 41 (2.30%) Middleware
10 38 (2.13%) JSON
11 36 (2.02%) HTML5
12 31 (1.74%) Hibernate
13 28 (1.57%) AngularJS
14 25 (1.40%) JNI
14 25 (1.40%) RESTful
15 24 (1.35%) Node.js
16 22 (1.23%) ASP.NET
17 20 (1.12%) Boost C++ Libraries
17 20 (1.12%) Spring
17 20 (1.12%) STL
Miscellaneous
1 122 (6.85%) Computer Science
2 96 (5.39%) Analytical Skills
3 57 (3.20%) Embedded Systems
4 54 (3.03%) Management Information System
5 50 (2.81%) Data Centre
6 47 (2.64%) Algorithms
6 47 (2.64%) Greenfield Project
7 41 (2.30%) Foreign Exchange (FX)
8 37 (2.08%) Fixed Income
9 36 (2.02%) Equities
10 35 (1.96%) PKI
11 32 (1.80%) Mobile App
12 31 (1.74%) Device Driver
13 26 (1.46%) STB
14 24 (1.35%) Digital TV
15 21 (1.18%) MPEG
16 20 (1.12%) Field-Programmable Gate Array
16 20 (1.12%) User Experience
17 16 (0.90%) CMDB
17 16 (0.90%) Web 2.0
Operating Systems
1 404 (22.67%) Linux
2 288 (16.16%) Windows
3 169 (9.48%) Unix
4 63 (3.54%) Windows Server
5 53 (2.97%) Android
6 44 (2.47%) Red Hat Enterprise Linux
7 35 (1.96%) CentOS
7 35 (1.96%) Windows 7
8 30 (1.68%) Apple iOS
9 28 (1.57%) AIX
9 28 (1.57%) Embedded Linux
10 26 (1.46%) Windows 10
11 24 (1.35%) Ubuntu
12 21 (1.18%) Windows Server 2012
13 19 (1.07%) Windows Server 2008
14 18 (1.01%) Solaris
15 11 (0.62%) Mac OS
16 9 (0.51%) MVS
17 8 (0.45%) CatOS
18 7 (0.39%) VxWorks
Processes & Methodologies
1 384 (21.55%) Software Engineering
2 316 (17.73%) Agile Software Development
3 156 (8.75%) Project Management
3 156 (8.75%) SDLC
4 128 (7.18%) Configuration Management
5 116 (6.51%) Scrum
6 105 (5.89%) DevOps
7 98 (5.50%) ITIL
8 97 (5.44%) Mathematics
9 92 (5.16%) Open Source
10 85 (4.77%) Stakeholder Management
11 84 (4.71%) Multithreading
12 83 (4.66%) UML
13 82 (4.60%) TDD
14 80 (4.49%) Migration
15 76 (4.26%) OO
16 74 (4.15%) Waterfall
17 72 (4.04%) Continuous Integration
18 65 (3.65%) PRINCE2
19 64 (3.59%) Mentoring
Programming Languages
1 514 (28.84%) C++
2 417 (23.40%) Java
3 308 (17.28%) Python
4 279 (15.66%) SQL
5 196 (11.00%) C#
6 170 (9.54%) Embedded C
7 158 (8.87%) Perl
8 151 (8.47%) JavaScript
9 64 (3.59%) MATLAB
10 55 (3.09%) Bash Shell
11 51 (2.86%) Ruby
12 50 (2.81%) PHP
13 47 (2.64%) Embedded C++
14 41 (2.30%) PL/SQL
15 40 (2.24%) Shell Script
16 32 (1.80%) Assembly Language
17 31 (1.74%) VB
18 26 (1.46%) PowerShell
19 21 (1.18%) T-SQL
20 20 (1.12%) Ada
Qualifications
1 408 (22.90%) Security Cleared
2 238 (13.36%) Degree
3 236 (13.24%) SC Cleared
4 150 (8.42%) DV Cleared
5 25 (1.40%) PRINCE2 Practitioner
6 20 (1.12%) Cisco Certification
6 20 (1.12%) ISEB
7 15 (0.84%) AWS Certification
7 15 (0.84%) ISTQB
8 13 (0.73%) CCNP
8 13 (0.73%) HNC
9 12 (0.67%) CCNA
9 12 (0.67%) CISSP
10 11 (0.62%) BPSS Clearance
10 11 (0.62%) Microsoft Certification
11 10 (0.56%) CISA
11 10 (0.56%) HND
12 9 (0.51%) ITIL Certification
13 8 (0.45%) CEH
14 6 (0.34%) PMP
Quality Assurance & Compliance
1 51 (2.86%) QA
2 18 (1.01%) JSP 440
3 17 (0.95%) SLA
4 16 (0.90%) Def Stans
5 15 (0.84%) IEC 61508
5 15 (0.84%) MISRA
6 14 (0.79%) PMO
7 13 (0.73%) DO-178B
7 13 (0.73%) MISRA C
8 12 (0.67%) Data Quality
8 12 (0.67%) ISO26262
8 12 (0.67%) SEPA
9 7 (0.39%) ISO/IEC 27001
10 6 (0.34%) GDPR
11 5 (0.28%) ISO 14001
11 5 (0.28%) ISO 9001
12 4 (0.22%) Disclosure Scotland
12 4 (0.22%) ISO22301
12 4 (0.22%) PCI DSS
13 3 (0.17%) NEBOSH
System Software
1 80 (4.49%) Docker
2 79 (4.43%) Active Directory
3 44 (2.47%) Firmware
4 35 (1.96%) VMware Infrastructure
5 23 (1.29%) vSphere
6 12 (0.67%) XenApp
7 8 (0.45%) Virtual Machines
8 6 (0.34%) XenDesktop
9 5 (0.28%) KVM
10 4 (0.22%) LXC
10 4 (0.22%) vCloud
10 4 (0.22%) Xen
10 4 (0.22%) XenServer
11 3 (0.17%) Oracle RAC
11 3 (0.17%) Virtual Desktop
11 3 (0.17%) VMware ESX
11 3 (0.17%) VMware ESXi
12 2 (0.11%) RHEV
12 2 (0.11%) Virtual Servers
12 2 (0.11%) VMware Workstation
Systems Management
1 39 (2.19%) Puppet
2 32 (1.80%) Opscode Chef
3 30 (1.68%) SCCM
4 29 (1.63%) Microsoft Intune
5 28 (1.57%) Ansible
6 25 (1.40%) SCOM
7 19 (1.07%) Kubernetes
8 18 (1.01%) vCenter Server
9 15 (0.84%) Rancher
10 12 (0.67%) Graphite
11 10 (0.56%) vRealize
12 8 (0.45%) Terraform
13 7 (0.39%) Cisco CUCM
14 6 (0.34%) yum
15 5 (0.28%) HP Fortify
15 5 (0.28%) Oracle RMAN
15 5 (0.28%) SELinux
16 4 (0.22%) NetBackup
16 4 (0.22%) Salt
16 4 (0.22%) WSUS
Vendors
1 204 (11.45%) Microsoft
2 183 (10.27%) Oracle
3 78 (4.38%) VMware
4 72 (4.04%) Cisco
5 62 (3.48%) Red Hat
6 46 (2.58%) SAP
7 30 (1.68%) IBM
8 26 (1.46%) HP
9 24 (1.35%) Citrix
9 24 (1.35%) ION Trading
10 23 (1.29%) Sybase
11 20 (1.12%) Google
12 16 (0.90%) ServiceNow
13 12 (0.67%) SolarWinds
13 12 (0.67%) TIBCO
14 11 (0.62%) BT
14 11 (0.62%) Serena
14 11 (0.62%) Siemens
14 11 (0.62%) WSO2
15 10 (0.56%) webMethods
London
Huxley Associates
Rate: competitive
Posted: 9 hours ago
Crawley, West Sussex
Software Personnel International Ltd
Rate: £420 per day
Posted: 10 hours ago
Edinburgh, Midlothian
Lawrence Harvey
Rate: £400.00 - £550.00 per day
Posted: 4 hours ago
Belfast
aap3
Rate: £0.00 per annum + Attractive
Posted: 17 hours ago
Cheshire
Capita Resourcing - IT Resourcing
Rate: £400 - £500 per day
Posted: 6 hours ago
London
Gravitas Recruitment Group
Rate: £350 - £400 per day
Posted: 2 days ago
Worcestershire
Nigel Frank International Ltd
Posted: 3 hours ago
Harrogate, Yorkshire
Triad Resourcing
Salary: Negotiable
Posted: 22 hours ago
Surrey
HAYS INFORMATION TECHNOLOGY
Rate: Competitive Daily Rate
Posted: 3 days ago
Bicester, Oxfordshire
EMBS Ltd
Rate: To £650 (To £500 + £150 expenses)
Posted: 4 hours ago
Hampshire
Net Talent
Posted: 6 days ago
London
Henlow Recruitment Group
Rate: From £500 to £700 per day
Posted: 5 days ago
London
People Source Consulting
Rate: £650 - £750 per day
Posted: 4 hours ago
Brighton, East Sussex
Software Personnel International Ltd
Rate: From £330 to £360 per annum Negotiable
Posted: 5 days ago
Sussex
Edissero Ltd
Rate: £on application
Posted: 5 days ago
West Midlands
Pearson Frank
Rate: £200 - £350 per day
Posted: 2 days ago
Cambridgeshire
The Wellcome Trust Sanger Institute
Rate: £38989 - £49602 per annum + excellent benefits
Posted: 4 days ago
London
Cititec
Rate: £700 - £850 per day
Posted: 5 days ago
Gloucestershire
In Parallel Computer Staff Limited
Rate: From £46 to £50 per hour + Dep On Exp
Posted: 6 days ago
London
Experis Ltd
Posted: 5 days ago
London
Pearson Frank
Rate: £350 - £550 per annum
Posted: 5 days ago
London
IQ Public Sector
Rate: £300.00 - £354.00 per day
Posted: 3 days ago
Essex
Stott & May
Rate: £450 - £500 per day + This is the total rate payable
Posted: 6 days ago
Hampshire
LA International
Posted: 4 days ago
London
AMS contingency
Posted: 12 days ago
Bristol, Avon
Dyson
Posted: 26 days ago
London
Nigel Frank International
Rate: £350 - £380 per day
Posted: 6 days ago
London
Talent Spa
Rate: £550 - 600 per day
Posted: 6 days ago
City, London
Streamline Connections
Rate: £600 - £750 per day
Posted: 5 days ago
London
McGregor Boyall
Rate: £650 - £900 per day
Posted: 5 days ago