Period
to 23 November 2017

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 6 months to 23 November 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
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 165 126 126
Rank change year-on-year -39 0 -5
Contract jobs citing C 1638 2158 2076
As % of all contract IT jobs advertised in the UK 1.59% 2.05% 1.83%
As % of the Programming Languages category 3.79% 5.08% 4.76%
Number of daily rates quoted 852 1153 1156
UK median daily rate £450 £415 £400
Median daily rate % change year-on-year +8.43% +3.75% +6.67%
10th Percentile £300 £263 £263
90th Percentile £675 £575 £613
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 183 246 304
UK median hourly rate £42.00 £40.00 £38.00
Median hourly rate % change year-on-year +5.00% +5.26% +8.57%
10th Percentile £26.25 £17.96 £14.13
90th Percentile £52.25 £51.88 £48.01
UK excluding London median hourly rate £42.00 £40.00 £38.00
% change year-on-year +5.00% +5.26% +8.57%

C is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 43210 42451 43594
As % of all contract IT jobs advertised in the UK 41.91% 40.33% 38.35%
Number of daily rates quoted 30200 29151 29477
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £308 £283 £269
90th Percentile £638 £588 £588
UK excluding London median daily rate £400 £375 £370
% change year-on-year +6.67% +1.35% +5.71%
Number of hourly rates quoted 801 886 1045
UK median hourly rate £40.00 £37.50 £37.45
Median hourly rate % change year-on-year +6.67% +0.13% +20.81%
10th Percentile £16.25 £14.44 £14.13
90th Percentile £52.50 £52.50 £50.00
UK excluding London median hourly rate £40.00 £37.75 £37.50
% change year-on-year +5.96% +0.67% +19.05%

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 6 months to 23 November 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 6 months to 23 November 2017.

Contractor hourly rate histogram for C in the UK

C
Top 16 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 6 months to 23 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -40 1523 £450 +5.88% 512
UK excluding London -40 981 £400 +6.67% 382
London -51 622 £500 +5.26% 154
East of England +17 265 £425 - 98
South East -59 254 £400 +8.47% 93
South West -18 176 £388 -8.82% 54
Midlands -4 106 £350 -12.50% 37
North of England -68 96 £450 +20.00% 74
West Midlands +1 71 £325 -13.33% 25
North West -24 48 £475 +13.10% 39
Scotland -39 37 £400 +23.08% 16
Wales -6 32 £375 -9.64% 8
East Midlands -7 32 £400 -11.11% 12
Yorkshire -15 30 £425 +13.33% 23
North East -25 17 £440 +36.22% 12
Northern Ireland -27 15 £400 -2.44% 2

For the 6 months to 23 November 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.

1 567 (34.62%) C++
2 434 (26.50%) Linux
3 390 (23.81%) Agile Software Development
4 384 (23.44%) Software Engineering
5 322 (19.66%) Python
6 303 (18.50%) Java
7 258 (15.75%) Security Cleared
8 253 (15.45%) SQL
9 247 (15.08%) Finance
10 209 (12.76%) Windows
11 182 (11.11%) Embedded C
12 179 (10.93%) Degree
13 163 (9.95%) Unix
14 149 (9.10%) C#
15 147 (8.97%) JavaScript
16 145 (8.85%) Microsoft
17 131 (8.00%) Oracle
18 129 (7.88%) SC Cleared
19 124 (7.57%) Test Automation
20 117 (7.14%) HTML
21 116 (7.08%) Banking
22 115 (7.02%) Analytical Skills
23 111 (6.78%) Perl
24 108 (6.59%) Project Management
24 108 (6.59%) Computer Science
24 108 (6.59%) SDLC
25 106 (6.47%) Git (software)
25 106 (6.47%) TDD
26 104 (6.35%) Scrum
27 102 (6.23%) Stakeholder Management

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 36 (2.20%) Apache
2 31 (1.89%) WebLogic
3 30 (1.83%) Confluence
4 24 (1.47%) SharePoint
5 23 (1.40%) JBoss
6 21 (1.28%) WebSphere
7 19 (1.16%) Tomcat
8 13 (0.79%) Apache Spark
8 13 (0.79%) IIS
9 12 (0.73%) MS Exchange
9 12 (0.73%) OpenROAD
10 10 (0.61%) Elasticsearch
10 10 (0.61%) Oracle SOA Suite
11 7 (0.43%) SAS
12 6 (0.37%) Apache Solr
12 6 (0.37%) CMS
12 6 (0.37%) Skype for Business
12 6 (0.37%) WebSphere Portal
13 5 (0.31%) Apache Airflow
13 5 (0.31%) Luigi
Applications
1 58 (3.54%) Microsoft Excel
2 44 (2.69%) Microsoft Office
3 39 (2.38%) Simulink
4 24 (1.47%) Microsoft Project
5 20 (1.22%) Microsoft PowerPoint
6 16 (0.98%) MS Visio
7 12 (0.73%) Doxygen
8 6 (0.37%) Spreadsheet
9 5 (0.31%) Pipeline Pilot
10 4 (0.24%) FrameMaker
10 4 (0.24%) Stateflow
10 4 (0.24%) XMetaL
11 2 (0.12%) LaTeX
11 2 (0.12%) OrCAD
12 1 (0.061%) Adobe Illustrator
12 1 (0.061%) GNU Octave
12 1 (0.061%) OmniGraffle
12 1 (0.061%) SOLIDWORKS
12 1 (0.061%) Stata
12 1 (0.061%) TargetLink
Business Applications
1 16 (0.98%) Dynamics NAV
2 11 (0.67%) ION MarketView
2 11 (0.67%) Oracle BPM
3 8 (0.49%) LabWindows
4 5 (0.31%) Dynamics CRM
4 5 (0.31%) RMDS
5 3 (0.18%) Dynamics AX
5 3 (0.18%) Oracle EBS
5 3 (0.18%) SAP PP
5 3 (0.18%) Summit
6 2 (0.12%) Eloqua
6 2 (0.12%) Magento
6 2 (0.12%) Maximo
6 2 (0.12%) Oracle ERP
6 2 (0.12%) Oracle Retail
6 2 (0.12%) R3 Corda
6 2 (0.12%) SAP BPC
6 2 (0.12%) Sonata
6 2 (0.12%) Teamcenter
7 1 (0.061%) Payment Gateway
Cloud Services
1 50 (3.05%) Amazon AWS
2 33 (2.01%) Microsoft Azure
3 23 (1.40%) Office 365
4 14 (0.85%) Cloud Computing
4 14 (0.85%) GitHub
5 12 (0.73%) SaaS
6 10 (0.61%) Google Cloud Platform
7 7 (0.43%) Amazon S3
7 7 (0.43%) PaaS
8 6 (0.37%) IaaS
9 4 (0.24%) Salesforce Sales Cloud
10 3 (0.18%) Amazon EC2
10 3 (0.18%) Datadog
10 3 (0.18%) npm
10 3 (0.18%) Virtual Private Cloud
11 2 (0.12%) Dropbox
11 2 (0.12%) OpenShift
11 2 (0.12%) Serverless
11 2 (0.12%) Slack
11 2 (0.12%) Yammer
Communications & Networking
1 96 (5.86%) Wireless
2 82 (5.01%) TCP/IP
3 54 (3.30%) Bluetooth
4 40 (2.44%) Firewall
5 35 (2.14%) HTTP
5 35 (2.14%) Wi-Fi
6 31 (1.89%) DNS
7 28 (1.71%) LAN
8 25 (1.53%) Internet
8 25 (1.53%) SSL
8 25 (1.53%) WAN
9 20 (1.22%) LTE
10 19 (1.16%) Network Security
11 18 (1.10%) Ethernet
11 18 (1.10%) NAS
12 17 (1.04%) 3GPP
13 16 (0.98%) VPN
14 14 (0.85%) 3G
14 14 (0.85%) LDAP
15 13 (0.79%) GSM
Database & Business Intelligence
1 77 (4.70%) SQL Server
2 66 (4.03%) Relational Database
3 40 (2.44%) Big Data
4 36 (2.20%) MySQL
5 32 (1.95%) Hadoop
6 31 (1.89%) RDBMS
7 30 (1.83%) MongoDB
8 29 (1.77%) Oracle Database
9 24 (1.47%) Ingres
10 18 (1.10%) Data Warehouse
11 17 (1.04%) GIS
12 15 (0.92%) Oracle Database 11g
12 15 (0.92%) PostgreSQL
13 12 (0.73%) NoSQL
14 11 (0.67%) SQL Server Integration Services
15 10 (0.61%) Oracle Database 10g
15 10 (0.61%) SQL Server 2012
16 9 (0.55%) Blockchain
16 9 (0.55%) SAP BW
16 9 (0.55%) SQLPlus
Development Applications
1 106 (6.47%) Git (software)
2 68 (4.15%) Subversion
3 65 (3.97%) JIRA
4 50 (3.05%) Rational DOORS
5 47 (2.87%) Visual Studio
6 44 (2.69%) Jenkins
7 28 (1.71%) Rational Rhapsody
8 21 (1.28%) ProC
9 20 (1.22%) Selenium
10 18 (1.10%) Gradle
11 17 (1.04%) TeamCity
12 16 (0.98%) GDB
13 13 (0.79%) JMeter
14 12 (0.73%) Atlassian Bamboo
14 12 (0.73%) Bitbucket
14 12 (0.73%) Maven
14 12 (0.73%) NUnit
14 12 (0.73%) Protractor
14 12 (0.73%) Team Foundation Server
15 11 (0.67%) Karma Test Runner
General
1 247 (15.08%) Finance
2 116 (7.08%) Banking
3 100 (6.11%) Telecoms
4 90 (5.49%) Electronics
5 51 (3.11%) Automotive
6 41 (2.50%) Investment Banking
7 38 (2.32%) Aerospace
7 38 (2.32%) Marketing
8 37 (2.26%) Front Office
9 35 (2.14%) Manufacturing
10 26 (1.59%) Retail
11 22 (1.34%) Legal
12 17 (1.04%) Law
13 14 (0.85%) Military
14 13 (0.79%) Games
15 11 (0.67%) Advertising
16 10 (0.61%) Avionics
17 9 (0.55%) Publishing
18 7 (0.43%) Back Office
18 7 (0.43%) Local Government
Job Titles
1 426 (26.01%) Developer
2 269 (16.42%) Software Engineer
3 159 (9.71%) Embedded Engineer
4 145 (8.85%) Analyst
5 117 (7.14%) Embedded Software Engineer
6 78 (4.76%) Architect
7 77 (4.70%) C Developer
8 73 (4.46%) Business Analyst
8 73 (4.46%) C++ Developer
9 66 (4.03%) Java Developer
10 61 (3.72%) C++ Software Engineer
11 57 (3.48%) Linux Engineer
12 56 (3.42%) Consultant
13 54 (3.30%) Project Manager
14 53 (3.24%) Embedded Developer
15 52 (3.17%) Senior Developer
16 49 (2.99%) Python Developer
17 45 (2.75%) C Software Engineer
17 45 (2.75%) Software Developer
18 37 (2.26%) Test Engineer
Libraries, Frameworks & Software Standards
1 117 (7.14%) HTML
2 97 (5.92%) Web Services
3 93 (5.68%) .NET
4 85 (5.19%) XML
5 70 (4.27%) CSS
6 45 (2.75%) jQuery
7 39 (2.38%) J2EE
7 39 (2.38%) RESTful
8 38 (2.32%) Middleware
9 37 (2.26%) HTML5
10 36 (2.20%) JSON
11 35 (2.14%) SOAP
12 34 (2.08%) CSS3
13 32 (1.95%) Boost C++ Libraries
14 31 (1.89%) ASP.NET
15 29 (1.77%) REST
16 26 (1.59%) AngularJS
17 22 (1.34%) FIX Protocol
17 22 (1.34%) OpenGL
17 22 (1.34%) XSLT
Miscellaneous
1 115 (7.02%) Analytical Skills
2 108 (6.59%) Computer Science
3 66 (4.03%) Embedded Systems
4 47 (2.87%) Foreign Exchange (FX)
5 45 (2.75%) Device Driver
6 44 (2.69%) Greenfield Project
6 44 (2.69%) User Experience
7 43 (2.63%) Management Information System
8 42 (2.56%) Mobile App
9 36 (2.20%) Algorithms
10 27 (1.65%) Data Structures
11 26 (1.59%) Equities
11 26 (1.59%) Fixed Income
12 25 (1.53%) Data Centre
12 25 (1.53%) Derivative
13 17 (1.04%) Field-Programmable Gate Array
14 15 (0.92%) Enterprise Software
15 14 (0.85%) Fintech
15 14 (0.85%) Virtual Team
16 13 (0.79%) STB
Operating Systems
1 434 (26.50%) Linux
2 209 (12.76%) Windows
3 163 (9.95%) Unix
4 67 (4.09%) Android
5 46 (2.81%) Embedded Linux
6 42 (2.56%) Red Hat Enterprise Linux
7 34 (2.08%) AIX
8 31 (1.89%) Apple iOS
9 29 (1.77%) Windows Server
10 22 (1.34%) CentOS
10 22 (1.34%) Windows 7
11 14 (0.85%) Ubuntu
11 14 (0.85%) Windows Server 2012
12 13 (0.79%) Mac OS X
12 13 (0.79%) VxWorks
12 13 (0.79%) Windows 10
13 12 (0.73%) Windows Server 2008
14 11 (0.67%) Solaris
15 10 (0.61%) Nucleus RTOS
16 7 (0.43%) Windows Mobile
Processes & Methodologies
1 390 (23.81%) Agile Software Development
2 384 (23.44%) Software Engineering
3 124 (7.57%) Test Automation
4 108 (6.59%) Project Management
4 108 (6.59%) SDLC
5 106 (6.47%) TDD
6 104 (6.35%) Scrum
7 102 (6.23%) Stakeholder Management
8 95 (5.80%) Continuous Integration
9 92 (5.62%) Multithreading
10 91 (5.56%) Configuration Management
11 86 (5.25%) ITIL
12 70 (4.27%) UML
13 69 (4.21%) DevOps
14 63 (3.85%) Mentoring
15 60 (3.66%) Mathematics
16 59 (3.60%) OO
17 56 (3.42%) Coaching
18 54 (3.30%) Migration
19 49 (2.99%) Data Modelling
Programming Languages
1 567 (34.62%) C++
2 322 (19.66%) Python
3 303 (18.50%) Java
4 253 (15.45%) SQL
5 182 (11.11%) Embedded C
6 149 (9.10%) C#
7 147 (8.97%) JavaScript
8 111 (6.78%) Perl
9 62 (3.79%) MATLAB
10 57 (3.48%) Shell Script
11 49 (2.99%) PL/SQL
12 42 (2.56%) Bash Shell
13 36 (2.20%) Embedded C++
14 32 (1.95%) Assembly Language
15 31 (1.89%) PHP
15 31 (1.89%) T-SQL
16 29 (1.77%) Ruby
17 28 (1.71%) R
18 22 (1.34%) PowerShell
18 22 (1.34%) VB
Qualifications
1 258 (15.75%) Security Cleared
2 179 (10.93%) Degree
3 129 (7.88%) SC Cleared
4 102 (6.23%) DV Cleared
5 47 (2.87%) Computer Science Degree
6 21 (1.28%) ISEB
7 14 (0.85%) Cisco Certification
8 12 (0.73%) Microsoft Certification
9 11 (0.67%) CCNP
10 10 (0.61%) CTC Cleared
10 10 (0.61%) Numerate Degree
10 10 (0.61%) PRINCE2 Practitioner
11 9 (0.55%) HNC
11 9 (0.55%) ISTQB
12 8 (0.49%) PhD
13 7 (0.43%) ITIL Certification
13 7 (0.43%) Master's Degree
14 6 (0.37%) A+ Certification
14 6 (0.37%) PMP
15 5 (0.31%) CCNA
Quality Assurance & Compliance
1 53 (3.24%) QA
2 50 (3.05%) MISRA
3 23 (1.40%) DO-178B
3 23 (1.40%) PMO
4 16 (0.98%) GDPR
5 14 (0.85%) MISRA C
6 12 (0.73%) Data Quality
6 12 (0.73%) ISO 26262
7 11 (0.67%) COBIT
7 11 (0.67%) Def Stans
7 11 (0.67%) ISO 9001
8 10 (0.61%) MiFID
9 9 (0.55%) IEC 62304
9 9 (0.55%) WCAG
10 8 (0.49%) SLA
11 6 (0.37%) IFRS
11 6 (0.37%) IFRS 9
11 6 (0.37%) Solvency II
12 5 (0.31%) ISO/IEC 27001
13 4 (0.24%) Disclosure Scotland
System Software
1 52 (3.17%) Firmware
2 48 (2.93%) VMware Infrastructure
3 41 (2.50%) Active Directory
4 27 (1.65%) Docker
5 15 (0.92%) KVM
6 12 (0.73%) vSphere
7 10 (0.61%) Advanced Linux Sound Architecture
7 10 (0.61%) VMware ESXi
8 8 (0.49%) NFS
9 7 (0.43%) Virtual Machines
10 6 (0.37%) VMware NSX
11 5 (0.31%) Apache Flume
12 4 (0.24%) Hyper-V
12 4 (0.24%) Virtual Servers
12 4 (0.24%) XenApp
13 3 (0.18%) Cygwin
13 3 (0.18%) iptables
13 3 (0.18%) VMware Workstation
14 2 (0.12%) ProxySG
14 2 (0.12%) QEMU
Systems Management
1 44 (2.69%) Puppet
2 39 (2.38%) Ansible
3 34 (2.08%) Opscode Chef
4 17 (1.04%) Kubernetes
5 15 (0.92%) Nagios
6 14 (0.85%) HP Quality Center
6 14 (0.85%) SCCM
6 14 (0.85%) Terraform
7 8 (0.49%) SCOM
7 8 (0.49%) vCenter Server
8 5 (0.31%) Cobbler
8 5 (0.31%) Thomson Reuters DACS
9 4 (0.24%) logstash
9 4 (0.24%) Mesos
9 4 (0.24%) Packer
9 4 (0.24%) Systems Management Server (SMS)
9 4 (0.24%) WhatsUp Gold
9 4 (0.24%) yum
10 3 (0.18%) Kibana
10 3 (0.18%) Netcool
Vendors
1 145 (8.85%) Microsoft
2 131 (8.00%) Oracle
3 66 (4.03%) VMware
4 40 (2.44%) Cisco
4 40 (2.44%) Red Hat
5 36 (2.20%) SAP
6 26 (1.59%) HP
7 22 (1.34%) IBM
8 20 (1.22%) ION Trading
9 18 (1.10%) Splunk
10 16 (0.98%) Google
11 14 (0.85%) Perforce
12 11 (0.67%) NetApp
13 10 (0.61%) Citrix
14 9 (0.55%) Fujitsu
14 9 (0.55%) Xamarin
15 8 (0.49%) AppDynamics
15 8 (0.49%) Atlassian
15 8 (0.49%) F5
15 8 (0.49%) Solace