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 30 March 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
30 Mar 2017
Same period 2016 Same period 2015
Rank 117 107 111
Rank change year-on-year -10 +4  
Contract jobs citing C 933 1148 1026
As % of all contract IT jobs advertised in the UK 2.05% 2.12% 1.91%
As % of the Programming Languages category 4.97% 5.57% 5.14%
Number of daily rates quoted 515 559 506
Median daily rate £450 £400 £400
Median daily rate % change year-on-year +12.50% -  
90% offered a daily rate of more than £313 £280 £275
10% offered a daily rate of more than £600 £550 £579
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 113 161 114
Median hourly rate £42.50 £40.00 £36.00
Median hourly rate % change year-on-year +6.25% +11.11%  
90% offered a hourly rate of more than £23.11 £15.25 £25.10
10% offered a hourly rate of more than £55.00 £48.00 £43.50
UK excluding London median hourly rate £42.50 £40.00 £36.00
% change year-on-year +6.25% +11.11%  

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 18757 20594 19950
As % of all contract IT job vacancies advertised in the UK 41.20% 38.04% 37.15%
Number of daily rates quoted 12916 14137 12939
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 £557
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 426 469 411
Median hourly rate £42.49 £40.00 £35.50
Median hourly rate % change year-on-year +6.21% +12.67%  
90% offered a hourly rate of more than £20.00 £15.00 £19.78
10% offered a hourly rate of more than £52.50 £50.00 £45.00
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

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 30 March 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 30 March 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 30 March 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 -9 871 £450 +12.50% 410
London +34 377 £500 +13.63% 107
South East -25 195 £413 +10.00% 83
East of England +27 97 £405 +1.25% 72
South West -20 96 £431 -4.16% 53
Hampshire -29 60 £348 +6.10% 19
Surrey +1 45 £518 +21.76% 16
Cambridgeshire +12 44 £413 +3.12% 57
Gloucestershire -3 43 £500 -4.76% 10
Cambridge +21 42 £413 +20.43% 52
City of London +22 40 £525 +13.51% 24
Berkshire +21 35 £350 -5.08% 19
West Midlands +17 33 £440 +76.00% 19
North West -15 28 £400 +21.21% 29
Scotland +11 27 £350 +4.47% 16
Essex +9 25 £415 - 5
Reading +19 23 £313 -15.25% 5
Bristol +13 22 £350 -2.77% 22
Wales +11 21 £450 +20.00% 7
Hertfordshire +9 21 £350 - 8
East Midlands -2 21 £350 -5.40% 12
West Sussex +5 19 £466 +13.03% 6
Yorkshire -10 19 £400 +23.07% 25
South Wales +21 16 £450 +12.50% 5
Southend-on-Sea - 14 £495 -
Redhill +1 13 £538 +26.47% 7
Wiltshire -10 13 £370 - 2
West Yorkshire +4 12 £350 -3.44% 11
Manchester +1 11 £550 +29.41% 22
Oxfordshire -6 11 £450 +15.38% 15

For the 6 months to 30 March 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.

1 530 (28.10%) C++
2 467 (24.76%) Java
3 464 (24.60%) Security Cleared
4 441 (23.38%) Linux
5 394 (20.89%) Software Engineering
6 367 (19.46%) Python
7 348 (18.45%) Agile Software Development
8 311 (16.49%) Finance
9 296 (15.69%) Windows
10 269 (14.26%) SC Cleared
11 266 (14.10%) SQL
12 237 (12.57%) Degree
13 236 (12.51%) Microsoft
14 198 (10.50%) C#
15 188 (9.97%) Unix
16 184 (9.76%) Oracle
17 179 (9.49%) Project Management
18 173 (9.17%) Embedded C
19 171 (9.07%) DV Cleared
20 165 (8.75%) Perl
20 165 (8.75%) MS Excel
21 152 (8.06%) JavaScript
21 152 (8.06%) SDLC
22 135 (7.16%) Configuration Management
22 135 (7.16%) HTML
23 131 (6.95%) DevOps
24 126 (6.68%) Scrum
25 121 (6.42%) Computer Science
26 116 (6.15%) SQL Server
27 114 (6.04%) 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 70 (3.71%) Apache
2 53 (2.81%) SharePoint
3 46 (2.44%) Tomcat
4 44 (2.33%) WebLogic
5 43 (2.28%) nginx
6 36 (1.91%) Confluence
7 31 (1.64%) Apache Spark
8 26 (1.38%) Skype for Business
9 25 (1.33%) JBoss
10 24 (1.27%) WebSphere
11 19 (1.01%) IIS
11 19 (1.01%) Oracle SOA Suite
12 15 (0.80%) CMS
13 12 (0.64%) Elasticsearch
14 11 (0.58%) Apache Pig
15 9 (0.48%) SAS
15 9 (0.48%) TPMS
16 8 (0.42%) Tuxedo
17 7 (0.37%) MS Exchange
17 7 (0.37%) OpenStack
Applications
1 165 (8.75%) MS Excel
2 96 (5.09%) MS Office
3 41 (2.17%) MS PowerPoint
4 36 (1.91%) MS Visio
5 24 (1.27%) Simulink
6 23 (1.22%) MS Project
7 13 (0.69%) Doxygen
8 9 (0.48%) Spreadsheet
9 5 (0.27%) AutoCAD
10 4 (0.21%) Adobe Creative Suite
11 3 (0.16%) InfoPath
11 3 (0.16%) Photoshop
11 3 (0.16%) Siemens NX
12 1 (0.053%) Adobe Illustrator
12 1 (0.053%) LaTeX
12 1 (0.053%) Stateflow
12 1 (0.053%) TargetLink
Business Applications
1 48 (2.55%) Dynamics NAV
2 15 (0.80%) ION MarketView
2 15 (0.80%) Oracle EBS
3 12 (0.64%) Oracle iRecruitment
4 11 (0.58%) SAP Oil and Gas
5 8 (0.42%) Dynamics CRM
6 6 (0.32%) LabWindows
7 5 (0.27%) Endur
7 5 (0.27%) Oracle EBS R12
7 5 (0.27%) Primavera
7 5 (0.27%) WebTrends
8 4 (0.21%) Dynamics AX
8 4 (0.21%) Oracle Payroll
8 4 (0.21%) Teamcenter
9 3 (0.16%) SAP GTS
9 3 (0.16%) SAP HCM
10 2 (0.11%) Oracle BPM
10 2 (0.11%) Oracle Payables
10 2 (0.11%) Payment Gateway
10 2 (0.11%) Sonata
Cloud Services
1 83 (4.40%) Amazon AWS
2 61 (3.23%) Microsoft Azure
3 41 (2.17%) Office 365
4 23 (1.22%) IaaS
5 19 (1.01%) PaaS
5 19 (1.01%) SaaS
6 17 (0.90%) Amazon S3
7 12 (0.64%) Amazon EC2
8 11 (0.58%) Google Cloud Platform
9 10 (0.53%) Azure Active Directory
9 10 (0.53%) GitHub
10 9 (0.48%) Oracle CX
11 8 (0.42%) Cloud Computing
12 7 (0.37%) Adobe Analytics
12 7 (0.37%) AWS CloudFormation
13 5 (0.27%) Amazon CloudWatch
13 5 (0.27%) Amazon SQS
14 4 (0.21%) OneDrive
14 4 (0.21%) Yammer
15 2 (0.11%) AWS Lambda
Communications & Networking
1 114 (6.04%) TCP/IP
2 76 (4.03%) HTTP
3 55 (2.92%) SSL
4 51 (2.70%) DNS
5 45 (2.39%) Wireless
6 44 (2.33%) Firewall
7 43 (2.28%) Internet
8 39 (2.07%) VPN
9 33 (1.75%) WAN
10 31 (1.64%) DHCP
11 29 (1.54%) LAN
12 28 (1.48%) Wi-Fi
13 25 (1.33%) Bluetooth
14 22 (1.17%) SNMP
15 21 (1.11%) BGP
15 21 (1.11%) LDAP
16 19 (1.01%) Ethernet
17 18 (0.95%) Skype
18 17 (0.90%) VoIP
19 16 (0.85%) DVB
Database & Business Intelligence
1 116 (6.15%) SQL Server
2 65 (3.45%) Hadoop
3 63 (3.34%) Big Data
4 50 (2.65%) Relational Database
5 40 (2.12%) Oracle Database
6 36 (1.91%) PostgreSQL
7 33 (1.75%) NoSQL
8 26 (1.38%) MySQL
9 23 (1.22%) Data Warehouse
10 19 (1.01%) MongoDB
11 17 (0.90%) Oracle Database 11g
12 16 (0.85%) SQL Server Integration Services
13 14 (0.74%) HBase
13 14 (0.74%) RDBMS
14 13 (0.69%) KDB
15 12 (0.64%) Apache Hive
15 12 (0.64%) DB2
15 12 (0.64%) Oracle Reports
16 11 (0.58%) Oracle Database 12c
16 11 (0.58%) SQL Server Reporting Services
Development Applications
1 113 (5.99%) Git (software)
2 90 (4.77%) Jenkins
3 65 (3.45%) JIRA
4 43 (2.28%) Eclipse
5 41 (2.17%) Rational DOORS
6 39 (2.07%) Subversion
7 35 (1.86%) ProC
8 32 (1.70%) Visual Studio
9 27 (1.43%) Selenium
10 19 (1.01%) Maven
10 19 (1.01%) Rational Rhapsody
11 18 (0.95%) JUnit
12 17 (0.90%) JMeter
13 16 (0.85%) LoadRunner
14 15 (0.80%) Team Foundation Server
15 14 (0.74%) GCC
16 13 (0.69%) SoapUI
17 12 (0.64%) Ant
17 12 (0.64%) Atlassian Bamboo
18 11 (0.58%) ClearCase
General
1 311 (16.49%) Finance
2 108 (5.73%) Banking
3 77 (4.08%) Telecoms
4 76 (4.03%) Electronics
5 46 (2.44%) Retail
6 45 (2.39%) Marketing
7 41 (2.17%) Front Office
8 34 (1.80%) Manufacturing
9 33 (1.75%) Military
10 32 (1.70%) Aerospace
11 31 (1.64%) Automotive
12 28 (1.48%) Law
13 27 (1.43%) Investment Banking
14 26 (1.38%) Legal
15 23 (1.22%) Games
16 19 (1.01%) Advertising
17 15 (0.80%) Publishing
18 13 (0.69%) Avionics
19 10 (0.53%) Back Office
19 10 (0.53%) Billing
Job Titles
1 445 (23.59%) Developer
2 268 (14.21%) Software Engineer
3 158 (8.38%) Architect
4 151 (8.01%) Embedded Engineer
5 138 (7.32%) Analyst
6 118 (6.26%) Java Developer
7 111 (5.89%) Embedded Software Engineer
8 89 (4.72%) Consultant
9 87 (4.61%) C++ Developer
10 80 (4.24%) Project Manager
11 72 (3.82%) C Developer
12 67 (3.55%) C Software Engineer
13 63 (3.34%) Business Analyst
13 63 (3.34%) C++ Software Engineer
14 58 (3.08%) Linux Engineer
15 53 (2.81%) Systems Engineer
16 45 (2.39%) Embedded Developer
17 44 (2.33%) Embedded C Engineer
18 42 (2.23%) Oracle Architect
19 41 (2.17%) Software Developer
Libraries, Frameworks & Software Standards
1 135 (7.16%) HTML
2 107 (5.67%) .NET
3 104 (5.51%) Web Services
4 93 (4.93%) XML
5 76 (4.03%) J2EE
6 53 (2.81%) REST
7 51 (2.70%) JSON
8 46 (2.44%) XSLT
9 43 (2.28%) CSS
10 39 (2.07%) Middleware
11 32 (1.70%) Hibernate
12 30 (1.59%) HTML5
13 26 (1.38%) RESTful
14 25 (1.33%) AngularJS
14 25 (1.33%) JNI
14 25 (1.33%) Node.js
15 24 (1.27%) Spring
16 20 (1.06%) SOAP
17 19 (1.01%) STL
18 18 (0.95%) JSP
Miscellaneous
1 121 (6.42%) Computer Science
2 109 (5.78%) Analytical Skills
3 63 (3.34%) Embedded Systems
4 58 (3.08%) Management Information System
5 55 (2.92%) Data Centre
6 44 (2.33%) Algorithms
7 40 (2.12%) Foreign Exchange (FX)
8 38 (2.01%) Fixed Income
9 37 (1.96%) Equities
9 37 (1.96%) PKI
10 32 (1.70%) Device Driver
11 31 (1.64%) Mobile App
12 28 (1.48%) Derivative
13 25 (1.33%) STB
14 23 (1.22%) Field-Programmable Gate Array
15 22 (1.17%) Digital TV
16 20 (1.06%) Client/Server
16 20 (1.06%) Clustering
16 20 (1.06%) MPEG
17 17 (0.90%) User Experience
Operating Systems
1 441 (23.38%) Linux
2 296 (15.69%) Windows
3 188 (9.97%) Unix
4 63 (3.34%) Windows Server
5 55 (2.92%) Android
6 43 (2.28%) Red Hat Enterprise Linux
7 36 (1.91%) CentOS
7 36 (1.91%) Windows 7
8 33 (1.75%) Apple iOS
9 32 (1.70%) Embedded Linux
10 30 (1.59%) AIX
11 26 (1.38%) Ubuntu
12 25 (1.33%) Windows 10
13 21 (1.11%) Solaris
14 19 (1.01%) Windows Server 2012
15 18 (0.95%) Windows Server 2008
16 15 (0.80%) MVS
17 10 (0.53%) Mac OS
18 8 (0.42%) CatOS
18 8 (0.42%) VxWorks
Processes & Methodologies
1 394 (20.89%) Software Engineering
2 348 (18.45%) Agile Software Development
3 179 (9.49%) Project Management
4 152 (8.06%) SDLC
5 135 (7.16%) Configuration Management
6 131 (6.95%) DevOps
7 126 (6.68%) Scrum
8 107 (5.67%) ITIL
9 103 (5.46%) Stakeholder Management
10 101 (5.36%) Mathematics
10 101 (5.36%) Open Source
11 97 (5.14%) TDD
12 92 (4.88%) Migration
13 91 (4.83%) UML
14 90 (4.77%) OO
15 81 (4.29%) Continuous Integration
15 81 (4.29%) Multithreading
16 78 (4.14%) Waterfall
17 75 (3.98%) PRINCE2
18 74 (3.92%) Requirements Management
Programming Languages
1 530 (28.10%) C++
2 467 (24.76%) Java
3 367 (19.46%) Python
4 266 (14.10%) SQL
5 198 (10.50%) C#
6 173 (9.17%) Embedded C
7 165 (8.75%) Perl
8 152 (8.06%) JavaScript
9 80 (4.24%) Bash Shell
10 62 (3.29%) MATLAB
11 61 (3.23%) Ruby
12 60 (3.18%) PHP
13 52 (2.76%) Embedded C++
14 45 (2.39%) Shell Script
15 40 (2.12%) PowerShell
16 38 (2.01%) VB
17 30 (1.59%) PL/SQL
18 24 (1.27%) Go
19 23 (1.22%) Assembly Language
20 22 (1.17%) Ada
Qualifications
1 464 (24.60%) Security Cleared
2 269 (14.26%) SC Cleared
3 237 (12.57%) Degree
4 171 (9.07%) DV Cleared
5 29 (1.54%) PRINCE2 Practitioner
6 28 (1.48%) ISEB
7 21 (1.11%) Cisco Certification
8 17 (0.90%) AWS Certification
9 16 (0.85%) CCNA
9 16 (0.85%) ISTQB
10 15 (0.80%) CCNP
11 14 (0.74%) BPSS Clearance
12 11 (0.58%) HNC
13 10 (0.53%) Microsoft Certification
14 9 (0.48%) CISA
14 9 (0.48%) CISSP
14 9 (0.48%) ITIL Certification
15 7 (0.37%) CEH
15 7 (0.37%) HND
15 7 (0.37%) PMP
Quality Assurance & Compliance
1 61 (3.23%) QA
2 22 (1.17%) PMO
3 19 (1.01%) SLA
4 17 (0.90%) JSP 440
5 13 (0.69%) IEC 61508
6 12 (0.64%) ISO26262
7 11 (0.58%) Data Quality
7 11 (0.58%) Def Stans
7 11 (0.58%) MISRA
8 10 (0.53%) DO-178B
9 9 (0.48%) MISRA C
10 7 (0.37%) ISO/IEC 27001
10 7 (0.37%) Sarbanes-Oxley
10 7 (0.37%) SEPA
11 5 (0.27%) Disclosure Scotland
12 4 (0.21%) GDPR
12 4 (0.21%) ISO 14001
12 4 (0.21%) ISO 9001
12 4 (0.21%) ISO22301
12 4 (0.21%) PCI DSS
System Software
1 94 (4.98%) Docker
2 82 (4.35%) Active Directory
3 55 (2.92%) VMware Infrastructure
4 47 (2.49%) Firmware
5 31 (1.64%) vSphere
6 12 (0.64%) XenApp
7 11 (0.58%) VMware ESX
8 9 (0.48%) Hyper-V
9 8 (0.42%) VMware ESXi
10 6 (0.32%) vCloud
10 6 (0.32%) Virtual Machines
10 6 (0.32%) XenServer
11 5 (0.27%) KVM
11 5 (0.27%) Oracle RAC
11 5 (0.27%) XenDesktop
12 4 (0.21%) LXC
12 4 (0.21%) RHEV
12 4 (0.21%) Xen
13 3 (0.16%) NFS
13 3 (0.16%) Shibboleth
Systems Management
1 57 (3.02%) Puppet
2 41 (2.17%) Ansible
3 39 (2.07%) Opscode Chef
4 30 (1.59%) Microsoft Intune
5 28 (1.48%) SCCM
6 26 (1.38%) SCOM
7 23 (1.22%) Kubernetes
8 18 (0.95%) Rancher
9 15 (0.80%) vRealize
10 12 (0.64%) Graphite
11 10 (0.53%) Terraform
12 8 (0.42%) PowerCLI
13 7 (0.37%) HP Quality Center
13 7 (0.37%) SELinux
14 6 (0.32%) Cisco CUCM
14 6 (0.32%) yum
15 5 (0.27%) HP Fortify
15 5 (0.27%) Nagios
16 4 (0.21%) NetBackup
16 4 (0.21%) Tivoli Storage Manager
Vendors
1 236 (12.51%) Microsoft
2 184 (9.76%) Oracle
3 94 (4.98%) VMware
4 75 (3.98%) Cisco
5 66 (3.50%) Red Hat
6 48 (2.55%) SAP
7 36 (1.91%) HP
7 36 (1.91%) IBM
8 26 (1.38%) Citrix
9 22 (1.17%) ION Trading
9 22 (1.17%) Sybase
10 19 (1.01%) Google
11 15 (0.80%) TIBCO
12 14 (0.74%) ServiceNow
12 14 (0.74%) SolarWinds
13 12 (0.64%) Atlassian
13 12 (0.64%) BT
14 11 (0.58%) EMC
14 11 (0.58%) WSO2
15 10 (0.53%) Siemens
Gloucestershire
In Parallel Computer Staff Limited
Rate: From £46 to £50 per hour + Dep On Exp
Posted: 4 hours ago
Essex
LA International
Rate: negotiable
Posted: Yesterday
Coventry
Real Staffing
Rate: £38 - £45 per hour + competitive
Posted: 2 days ago
Bristol, Avon
In Parallel Computer Staff Limited
Rate: £44 per hour
Posted: Yesterday
London
iKas International
Posted: 16 hours ago
Bristol, Avon
Dyson
Posted: Yesterday
Cambridge
G2 Recruitment Solutions
Posted: 2 days ago
Crawley, West Sussex
Capita Resourcing - IT Resourcing
Rate: £240 - £280 per day
Posted: Yesterday
City, London
TEKsystems
Rate: £550 - £650 per day
Posted: 3 days ago
North Yorkshire
G2 Recruitment Solutions
Posted: 2 days ago
Cambridge
G2 Recruitment Solutions
Posted: 2 days ago
Leeds, West Yorkshire
Ascend Consulting
Rate: Up to £400 per day
Posted: 2 days ago
Redhill, Surrey
LEXSTRA
Rate: £425 - £450 per day
Posted: 2 days ago
Belfast
aap3
Rate: £0.00 per annum + Attractive
Posted: 2 days ago
Crawley, West Sussex
TekSkills
Posted: 6 hours ago
Glasgow
Pearson Frank
Rate: £300 - £400 per day
Posted: Yesterday
Cheltenham, Gloucestershire
Experis Ltd
Rate: £40 - £50 per hour
Posted: 2 days ago
London
Quant Capital
Rate: Up to £350 per day
Posted: 2 days ago
Hampshire
Datasource Computer Employment
Rate: Rates DOE
Posted: 16 hours ago
London
Careerwise UK Limited
Rate: £475 - £500 per day
Posted: 2 days ago
Cambridge, Cambridgeshire
LA International
Rate: £1 per day
Posted: 6 days ago
Newcastle upon Tyne
Computer Futures
Rate: competitive
Posted: 3 days ago
Hampshire
Experis Ltd
Rate: £45 - £52 per hour
Posted: 2 days ago
London
Nigel Frank International
Rate: £450 per annum
Posted: 6 hours ago
London
CPS Group Limited
Posted: 3 days ago
North West England
Nigel Frank International
Rate: £450 per day
Posted: 2 days ago
Newcastle upon Tyne
Computer Futures
Rate: competitive
Posted: 3 days ago
London
Morgan Mckinley
Rate: £400 - £550 per day
Posted: 6 days ago
Dursley, Gloucestershire
Claremont Consulting Ltd
Rate: From £400 to £450 per day
Posted: 6 days ago
Birmingham, West Midlands (County)
AMS contingency
Posted: 2 days ago