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 28 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
28 May 2017
Same period 2016 Same period 2015
Rank 139 129 124
Rank change year-on-year -10 -5  
Contract jobs citing C 816 1049 992
As % of all contract IT jobs advertised in the UK 1.82% 1.92% 1.80%
As % of the Programming Languages category 4.33% 4.99% 4.77%
Number of daily rates quoted 417 529 517
Median daily rate £436 £423 £390
Median daily rate % change year-on-year +3.19% +8.39%  
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 106 153 117
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 £18.70
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 18852 21008 20783
As % of all contract IT job vacancies advertised in the UK 42.11% 38.52% 37.63%
Number of daily rates quoted 12849 14467 13780
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 382 470 428
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 £50.00 £47.50 £47.50
UK excluding London median hourly rate £42.50 £37.50 £36.40
% change year-on-year +13.33% +3.02%  

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 28 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 28 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 28 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 -13 751 £440 +3.52% 468
London +1 298 £500 +5.26% 107
South East -2 180 £375 +3.80% 108
South West -15 89 £388 -13.88% 60
East of England +21 75 £469 +17.18% 85
Hampshire +1 57 £351 -3.31% 27
Surrey +12 51 £438 +8.69% 25
Cambridgeshire +22 39 £463 +19.35% 72
North West +7 39 £450 -10.00% 27
City of London +6 37 £525 +12.29% 16
Cambridge +20 30 £389 +8.36% 63
Gloucestershire -9 30 £430 -18.09% 8
Scotland +27 26 £252 -26.02% 35
Wiltshire +9 26 £325 -13.33% 5
Bristol +9 24 £394 +1.74% 32
West Sussex +32 22 £300 -11.76% 10
Berkshire +6 22 £370 +2.06% 17
West Midlands +1 21 £325 -23.52% 30
East Midlands -7 21 £370 -7.50% 14
Crawley +11 18 £300 -11.76% 5
Manchester +12 17 £450 +12.50% 20
Essex +2 17 £498 +38.19% 4
Yorkshire -8 16 £350 +7.69% 25
Redhill - 16 £438 - 4
County Antrim - 15 £413 - 1
Belfast - 15 £413 - 1
Northern Ireland - 15 £413 - 1
Cheshire +24 14 £450 -21.05% 4
Edinburgh +15 14 £475 +46.15% 18
Reading +10 14 £351 -6.33% 3

For the 6 months to 28 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.

1 537 (31.06%) C++
2 408 (23.60%) Linux
3 407 (23.54%) Java
4 385 (22.27%) Security Cleared
5 365 (21.11%) Software Engineering
6 312 (18.05%) Finance
7 310 (17.93%) Agile Software Development
8 299 (17.29%) Python
9 298 (17.24%) SQL
10 268 (15.50%) Windows
11 238 (13.77%) SC Cleared
12 212 (12.26%) Degree
13 202 (11.68%) C#
14 190 (10.99%) Oracle
15 185 (10.70%) Microsoft
16 171 (9.89%) Unix
17 163 (9.43%) SDLC
18 160 (9.25%) Perl
19 152 (8.79%) Embedded C
20 149 (8.62%) JavaScript
21 144 (8.33%) Project Management
22 131 (7.58%) HTML
23 129 (7.46%) Configuration Management
24 128 (7.40%) DV Cleared
25 124 (7.17%) Banking
26 120 (6.94%) SQL Server
27 118 (6.82%) Scrum
28 111 (6.42%) .NET
28 111 (6.42%) TCP/IP
29 110 (6.36%) Git (software)

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 (3.99%) Apache
2 45 (2.60%) SharePoint
2 45 (2.60%) Tomcat
3 43 (2.49%) WebLogic
4 28 (1.62%) Confluence
4 28 (1.62%) nginx
5 26 (1.50%) JBoss
6 23 (1.33%) Skype for Business
7 22 (1.27%) WebSphere
8 21 (1.21%) Oracle SOA Suite
9 19 (1.10%) CMS
9 19 (1.10%) Elasticsearch
10 18 (1.04%) IIS
11 14 (0.81%) Apache Spark
11 14 (0.81%) TPMS
12 13 (0.75%) MS Exchange
13 11 (0.64%) SAS
14 8 (0.46%) Apache Pig
15 7 (0.40%) Exchange Server 2013
15 7 (0.40%) NServiceBus
Applications
1 83 (4.80%) Microsoft Office
2 67 (3.88%) Microsoft Excel
3 26 (1.50%) MS Visio
4 23 (1.33%) Microsoft PowerPoint
5 19 (1.10%) Microsoft Project
5 19 (1.10%) Simulink
6 17 (0.98%) Doxygen
7 6 (0.35%) AutoCAD
8 5 (0.29%) Spreadsheet
9 4 (0.23%) Adobe Creative Suite
9 4 (0.23%) Photoshop
10 3 (0.17%) Siemens NX
11 2 (0.12%) Adobe Illustrator
11 2 (0.12%) TargetLink
12 1 (0.058%) Acrobat
12 1 (0.058%) FrameMaker
12 1 (0.058%) InfoPath
12 1 (0.058%) Maya
12 1 (0.058%) OrCAD
12 1 (0.058%) Stateflow
Business Applications
1 25 (1.45%) Dynamics NAV
2 14 (0.81%) ION MarketView
3 12 (0.69%) Oracle EBS
3 12 (0.69%) Oracle iRecruitment
4 11 (0.64%) LabWindows
5 10 (0.58%) 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 (0.12%) Oracle BPM
10 2 (0.12%) Oracle Payables
10 2 (0.12%) Oracle Receivables
10 2 (0.12%) Sage X3
Cloud Services
1 57 (3.30%) Amazon AWS
2 40 (2.31%) Microsoft Azure
2 40 (2.31%) Office 365
3 18 (1.04%) SaaS
4 17 (0.98%) IaaS
5 16 (0.93%) PaaS
6 10 (0.58%) GitHub
6 10 (0.58%) Google Cloud Platform
7 9 (0.52%) Amazon S3
7 9 (0.52%) Oracle CX
8 8 (0.46%) Oracle Service Cloud
9 6 (0.35%) Yammer
10 5 (0.29%) Adobe Analytics
10 5 (0.29%) Amazon EC2
11 4 (0.23%) Azure Active Directory
11 4 (0.23%) Cloud Computing
11 4 (0.23%) G Suite
12 3 (0.17%) OneDrive
13 2 (0.12%) AWS Lambda
13 2 (0.12%) Google Analytics
Communications & Networking
1 111 (6.42%) TCP/IP
2 56 (3.24%) SSL
3 54 (3.12%) HTTP
4 50 (2.89%) Firewall
5 49 (2.83%) DNS
6 36 (2.08%) WAN
7 34 (1.97%) Wireless
8 31 (1.79%) Internet
9 28 (1.62%) VPN
10 27 (1.56%) Bluetooth
10 27 (1.56%) Wi-Fi
11 26 (1.50%) DHCP
12 23 (1.33%) LAN
13 22 (1.27%) Ethernet
14 19 (1.10%) DVB
14 19 (1.10%) Skype
15 16 (0.93%) BGP
16 15 (0.87%) Wireshark
17 14 (0.81%) VoIP
18 12 (0.69%) MPLS
Database & Business Intelligence
1 120 (6.94%) SQL Server
2 55 (3.18%) Relational Database
3 46 (2.66%) Oracle Database
4 43 (2.49%) Hadoop
5 42 (2.43%) Big Data
6 40 (2.31%) PostgreSQL
7 31 (1.79%) Oracle Database 11g
8 30 (1.74%) MongoDB
9 29 (1.68%) MySQL
10 28 (1.62%) NoSQL
11 26 (1.50%) Data Warehouse
12 24 (1.39%) Oracle Database 12c
13 15 (0.87%) KDB
13 15 (0.87%) SQL Server Integration Services
14 12 (0.69%) RDBMS
15 11 (0.64%) BusinessObjects
15 11 (0.64%) Crystal Reports
16 10 (0.58%) DB2
16 10 (0.58%) Oracle ODI
16 10 (0.58%) SQL Server 2012
Development Applications
1 110 (6.36%) Git (software)
2 79 (4.57%) Jenkins
3 70 (4.05%) JIRA
4 56 (3.24%) ProC
5 54 (3.12%) Visual Studio
6 45 (2.60%) Rational DOORS
7 41 (2.37%) Eclipse
8 36 (2.08%) Subversion
9 28 (1.62%) Rational Rhapsody
10 25 (1.45%) Selenium
11 20 (1.16%) Team Foundation Server
12 15 (0.87%) JMeter
12 15 (0.87%) JUnit
12 15 (0.87%) LoadRunner
13 12 (0.69%) Oracle Forms
13 12 (0.69%) SoapUI
14 11 (0.64%) Bitbucket
15 10 (0.58%) GDB
15 10 (0.58%) NUnit
16 9 (0.52%) GCC
General
1 312 (18.05%) Finance
2 124 (7.17%) Banking
3 81 (4.68%) Telecoms
4 78 (4.51%) Electronics
5 44 (2.54%) Marketing
6 38 (2.20%) Aerospace
6 38 (2.20%) Automotive
6 38 (2.20%) Front Office
7 37 (2.14%) Investment Banking
8 32 (1.85%) Manufacturing
9 30 (1.74%) Military
10 26 (1.50%) Retail
11 25 (1.45%) Legal
12 23 (1.33%) Law
13 22 (1.27%) Games
14 20 (1.16%) Avionics
15 18 (1.04%) Back Office
16 13 (0.75%) Publishing
17 9 (0.52%) Advertising
18 8 (0.46%) Financial Institution
Job Titles
1 449 (25.97%) Developer
2 252 (14.57%) Software Engineer
3 139 (8.04%) Embedded Engineer
4 132 (7.63%) Architect
5 115 (6.65%) Java Developer
6 111 (6.42%) Analyst
7 100 (5.78%) C++ Developer
8 95 (5.49%) Embedded Software Engineer
9 78 (4.51%) Project Manager
10 74 (4.28%) Consultant
11 70 (4.05%) C++ Software Engineer
12 69 (3.99%) C Developer
13 52 (3.01%) Linux Engineer
13 52 (3.01%) Systems Engineer
14 48 (2.78%) C Software Engineer
14 48 (2.78%) Software Developer
15 47 (2.72%) SQL Developer
16 46 (2.66%) Senior Developer
17 44 (2.54%) C# Developer
17 44 (2.54%) Oracle Architect
Libraries, Frameworks & Software Standards
1 131 (7.58%) HTML
2 111 (6.42%) .NET
3 87 (5.03%) Web Services
4 86 (4.97%) XML
5 61 (3.53%) J2EE
6 57 (3.30%) CSS
7 48 (2.78%) REST
7 48 (2.78%) XSLT
8 47 (2.72%) Middleware
9 41 (2.37%) JSON
10 33 (1.91%) HTML5
11 31 (1.79%) JNI
12 30 (1.74%) AngularJS
13 29 (1.68%) Hibernate
14 25 (1.45%) STL
15 24 (1.39%) RESTful
16 23 (1.33%) .NET Framework
16 23 (1.33%) Boost C++ Libraries
17 22 (1.27%) Node.js
18 19 (1.10%) ASP.NET
Miscellaneous
1 101 (5.84%) Computer Science
2 94 (5.44%) Analytical Skills
3 54 (3.12%) Embedded Systems
4 50 (2.89%) Management Information System
5 49 (2.83%) Data Centre
6 47 (2.72%) Equities
7 46 (2.66%) Foreign Exchange (FX)
8 44 (2.54%) Greenfield Project
9 41 (2.37%) Algorithms
10 36 (2.08%) Fixed Income
11 33 (1.91%) Device Driver
12 30 (1.74%) Mobile App
13 26 (1.50%) PKI
14 25 (1.45%) Field-Programmable Gate Array
14 25 (1.45%) User Experience
15 23 (1.33%) STB
16 20 (1.16%) Digital TV
17 17 (0.98%) MPEG
18 16 (0.93%) CMDB
18 16 (0.93%) Web 2.0
Operating Systems
1 408 (23.60%) Linux
2 268 (15.50%) Windows
3 171 (9.89%) Unix
4 63 (3.64%) Windows Server
5 56 (3.24%) Android
6 50 (2.89%) Red Hat Enterprise Linux
7 36 (2.08%) Embedded Linux
7 36 (2.08%) Windows 7
8 35 (2.02%) AIX
9 32 (1.85%) CentOS
10 28 (1.62%) Apple iOS
11 27 (1.56%) Windows 10
12 25 (1.45%) Ubuntu
13 21 (1.21%) Windows Server 2012
14 19 (1.10%) Windows Server 2008
15 15 (0.87%) Solaris
16 10 (0.58%) Mac OS
16 10 (0.58%) VxWorks
17 9 (0.52%) MVS
18 8 (0.46%) CatOS
Processes & Methodologies
1 365 (21.11%) Software Engineering
2 310 (17.93%) Agile Software Development
3 163 (9.43%) SDLC
4 144 (8.33%) Project Management
5 129 (7.46%) Configuration Management
6 118 (6.82%) Scrum
7 108 (6.25%) Test Automation
8 100 (5.78%) ITIL
9 96 (5.55%) DevOps
10 94 (5.44%) Open Source
11 90 (5.21%) TDD
12 88 (5.09%) Multithreading
12 88 (5.09%) UML
13 86 (4.97%) Mathematics
14 82 (4.74%) Continuous Integration
15 80 (4.63%) OO
15 80 (4.63%) Waterfall
16 70 (4.05%) Stakeholder Management
17 69 (3.99%) Migration
18 63 (3.64%) Mentoring
Programming Languages
1 537 (31.06%) C++
2 407 (23.54%) Java
3 299 (17.29%) Python
4 298 (17.24%) SQL
5 202 (11.68%) C#
6 160 (9.25%) Perl
7 152 (8.79%) Embedded C
8 149 (8.62%) JavaScript
9 60 (3.47%) MATLAB
10 59 (3.41%) Bash Shell
11 52 (3.01%) PHP
12 51 (2.95%) Ruby
13 50 (2.89%) PL/SQL
14 49 (2.83%) Shell Script
15 38 (2.20%) Embedded C++
16 33 (1.91%) Assembly Language
17 30 (1.74%) T-SQL
18 29 (1.68%) PowerShell
19 28 (1.62%) VB
20 21 (1.21%) Scala
Qualifications
1 385 (22.27%) Security Cleared
2 238 (13.77%) SC Cleared
3 212 (12.26%) Degree
4 128 (7.40%) DV Cleared
5 36 (2.08%) Computer Science Degree
6 25 (1.45%) Cisco Certification
7 20 (1.16%) PRINCE2 Practitioner
8 19 (1.10%) ISEB
9 18 (1.04%) CCNP
10 16 (0.93%) Microsoft Certification
11 14 (0.81%) ISTQB
12 13 (0.75%) CCNA
12 13 (0.75%) CISSP
12 13 (0.75%) HNC
13 12 (0.69%) BPSS Clearance
14 10 (0.58%) CISA
15 9 (0.52%) HND
16 8 (0.46%) AWS Certification
16 8 (0.46%) ITIL Certification
17 7 (0.40%) PhD
Quality Assurance & Compliance
1 46 (2.66%) QA
2 27 (1.56%) MISRA
3 24 (1.39%) Def Stans
4 20 (1.16%) DO-178B
5 19 (1.10%) SLA
6 17 (0.98%) IEC 61508
7 16 (0.93%) MISRA C
8 15 (0.87%) JSP 440
9 14 (0.81%) PMO
9 14 (0.81%) SEPA
10 12 (0.69%) Data Quality
11 10 (0.58%) ISO 26262
12 9 (0.52%) MIL-STD-1553
13 8 (0.46%) GDPR
13 8 (0.46%) IEC 62304
13 8 (0.46%) ISO/IEC 27001
14 6 (0.35%) ISO 14001
14 6 (0.35%) ISO 9001
15 5 (0.29%) Disclosure Scotland
15 5 (0.29%) PCI DSS
System Software
1 75 (4.34%) Docker
2 72 (4.16%) Active Directory
3 38 (2.20%) Firmware
4 33 (1.91%) 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 (0.35%) KVM
9 6 (0.35%) 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 (0.12%) iptables
13 2 (0.12%) vCloud
13 2 (0.12%) Virtual Servers
Systems Management
1 43 (2.49%) Puppet
2 35 (2.02%) Opscode Chef
3 30 (1.74%) SCCM
4 26 (1.50%) Ansible
5 25 (1.45%) Microsoft Intune
6 21 (1.21%) SCOM
7 13 (0.75%) Kubernetes
8 12 (0.69%) vCenter Server
9 10 (0.58%) 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 (0.35%) HP Quality Center
13 6 (0.35%) Oracle RMAN
14 5 (0.29%) HP Fortify
15 4 (0.23%) Mesos
15 4 (0.23%) Salt
Vendors
1 190 (10.99%) Oracle
2 185 (10.70%) Microsoft
3 66 (3.82%) Cisco
4 64 (3.70%) VMware
5 51 (2.95%) Red Hat
6 49 (2.83%) SAP
7 31 (1.79%) HP
8 29 (1.68%) ION Trading
9 26 (1.50%) Citrix
9 26 (1.50%) Google
9 26 (1.50%) IBM
10 25 (1.45%) Sybase
11 17 (0.98%) ServiceNow
12 13 (0.75%) EMC
12 13 (0.75%) WSO2
13 12 (0.69%) TIBCO
14 11 (0.64%) BT
14 11 (0.64%) Serena
14 11 (0.64%) Siemens
15 10 (0.58%) 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: 2 days ago
Newport, Gwent
LA International
Posted: 2 days ago
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: 4 days ago
Bristol
Nigel Frank International
Rate: £400 - £500 per annum
Posted: 2 days ago
West Midlands
Nigel Frank International Ltd
Posted: 3 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: 3 days ago
South East
Hanson Regan Ltd
Rate: Neg V.Good
Posted: 5 days ago
Basingstoke, Hampshire
Spectrum IT Recruitment (South) Ltd
Posted: 6 days ago
Leeds
Pearson Frank
Rate: £250 - £350 per day
Posted: 2 days ago
London
Hanover Recruitment
Rate: £400 - £500 per annum
Posted: 5 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: 2 days ago
Newcastle upon Tyne
Pearson Frank
Rate: £250 - £350 per day
Posted: 5 days ago
South Yorkshire
Nigel Frank International
Rate: £500 per day
Posted: 3 days ago
Hampshire
Nigel Frank International
Posted: 2 days ago
Worthing, West Sussex
Experis Ltd
Posted: 5 days ago
Saffron Walden, Essex
The Wellcome Trust Sanger Institute
Posted: 17 days ago
London
OHO Group Ltd.
Rate: £300 - £400 per day
Posted: 26 days ago
West London
Square One Resources
Rate: Unspecified Market Rates
Posted: Yesterday
London
Nigel Frank International
Rate: £500 - £575 per day
Posted: 6 days ago
Yorkshire
Spargonet Consulting Plc
Rate: £400 - £450 per day
Posted: 3 days ago