Period
to 12 December 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 12 December 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
12 Dec 2017
Same period 2016 Same period 2015
Rank 168 130 134
Rank change year-on-year -38 +4 -12
Contract jobs citing C 1616 2117 2054
As % of all contract IT jobs advertised in the UK 1.56% 2.05% 1.83%
As % of the Programming Languages category 3.72% 5.07% 4.75%
Number of daily rates quoted 852 1136 1127
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +6.67%
10th Percentile £300 £263 £263
90th Percentile £675 £575 £605
UK excluding London median daily rate £400 £385 £375
% change year-on-year +3.90% +2.67% +7.14%
Number of hourly rates quoted 187 246 307
UK median hourly rate £42.00 £40.00 £38.50
Median hourly rate % change year-on-year +5.00% +3.90% +15.79%
10th Percentile £26.25 £16.01 £14.08
90th Percentile £51.75 £52.50 £48.44
UK excluding London median hourly rate £42.00 £40.00 £38.50
% change year-on-year +5.00% +3.90% +10.00%

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 43393 41789 43255
As % of all contract IT jobs advertised in the UK 41.99% 40.44% 38.44%
Number of daily rates quoted 30441 28679 29356
UK median daily rate £450 £425 £401
Median daily rate % change year-on-year +5.88% +6.12% +0.13%
10th Percentile £308 £285 £270
90th Percentile £638 £588 £588
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 782 870 1061
UK median hourly rate £40.00 £39.23 £37.50
Median hourly rate % change year-on-year +1.98% +4.60% +17.19%
10th Percentile £16.25 £14.43 £14.10
90th Percentile £52.23 £52.50 £50.00
UK excluding London median hourly rate £40.00 £39.44 £37.50
% change year-on-year +1.43% +5.16% +15.38%

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 12 December 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 12 December 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 12 December 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 -39 1500 £450 +5.88% 469
UK excluding London -46 959 £400 +3.90% 330
London -46 622 £525 +10.53% 149
East of England +19 255 £400 -3.03% 88
South East -61 255 £400 +6.67% 85
South West -18 173 £400 -6.98% 34
Midlands -7 96 £350 -12.50% 47
North of England -70 95 £475 +26.67% 63
West Midlands -16 67 £325 -18.75% 33
North West -10 51 £475 +11.76% 36
Scotland -44 38 £400 +23.08% 8
Wales -11 37 £375 -9.64% 3
East Midlands -4 26 £400 -9.09% 14
Yorkshire -23 26 £438 +14.75% 24
North East -25 17 £440 +35.38% 3
Northern Ireland -29 10 £400 -2.44% 2

For the 6 months to 12 December 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.

1 549 (33.97%) C++
2 407 (25.19%) Linux
3 387 (23.95%) Agile Software Development
4 370 (22.90%) Software Engineering
5 311 (19.25%) Python
6 299 (18.50%) Java
7 268 (16.58%) Security Cleared
8 241 (14.91%) Finance
9 236 (14.60%) SQL
10 210 (13.00%) Windows
11 191 (11.82%) Degree
12 173 (10.71%) Embedded C
13 153 (9.47%) JavaScript
14 152 (9.41%) C#
15 146 (9.03%) Microsoft
16 145 (8.97%) Unix
17 141 (8.73%) Oracle
18 123 (7.61%) Test Automation
19 122 (7.55%) SC Cleared
20 117 (7.24%) HTML
21 114 (7.05%) DV Cleared
22 112 (6.93%) Project Management
23 111 (6.87%) Computer Science
24 110 (6.81%) Banking
24 110 (6.81%) Analytical Skills
25 108 (6.68%) Scrum
26 104 (6.44%) SDLC
27 102 (6.31%) Wireless
28 101 (6.25%) Telecoms
28 101 (6.25%) 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 30 (1.86%) Apache
2 29 (1.79%) Confluence
3 27 (1.67%) WebLogic
4 22 (1.36%) SharePoint
5 20 (1.24%) JBoss
5 20 (1.24%) WebSphere
6 16 (0.99%) Tomcat
7 15 (0.93%) Apache Spark
8 14 (0.87%) MS Exchange
9 13 (0.80%) IIS
10 12 (0.74%) Elasticsearch
11 9 (0.56%) OpenROAD
11 9 (0.56%) Oracle SOA Suite
11 9 (0.56%) SAS
12 8 (0.50%) CMS
13 7 (0.43%) WebSphere Portal
14 6 (0.37%) Apache Solr
14 6 (0.37%) OpenStack
14 6 (0.37%) Skype for Business
15 5 (0.31%) Apache Pig
Applications
1 59 (3.65%) Microsoft Excel
2 46 (2.85%) Microsoft Office
3 41 (2.54%) Simulink
4 26 (1.61%) Microsoft Project
5 21 (1.30%) Microsoft PowerPoint
6 17 (1.05%) MS Visio
7 12 (0.74%) Doxygen
8 7 (0.43%) Spreadsheet
9 5 (0.31%) Pipeline Pilot
9 5 (0.31%) Stateflow
10 4 (0.25%) FrameMaker
10 4 (0.25%) XMetaL
11 3 (0.19%) SPSS
12 2 (0.12%) LaTeX
12 2 (0.12%) TargetLink
13 1 (0.062%) GNU Octave
13 1 (0.062%) InVision
13 1 (0.062%) OrCAD
13 1 (0.062%) Pixate
13 1 (0.062%) UXPin
Business Applications
1 17 (1.05%) Dynamics NAV
2 12 (0.74%) Oracle BPM
3 11 (0.68%) ION MarketView
4 6 (0.37%) LabWindows
5 5 (0.31%) Dynamics AX
5 5 (0.31%) Oracle EBS
5 5 (0.31%) RMDS
6 4 (0.25%) Dynamics CRM
7 3 (0.19%) Maximo
7 3 (0.19%) SAP PP
8 2 (0.12%) Magento
8 2 (0.12%) Oracle ERP
8 2 (0.12%) Oracle Retail
8 2 (0.12%) Oracle SCM
8 2 (0.12%) R3 Corda
8 2 (0.12%) SAP BPC
8 2 (0.12%) Sonata
8 2 (0.12%) Teamcenter
9 1 (0.062%) Infor LN
9 1 (0.062%) Workday HCM
Cloud Services
1 52 (3.22%) Amazon AWS
2 34 (2.10%) Microsoft Azure
3 22 (1.36%) Office 365
4 15 (0.93%) Cloud Computing
5 13 (0.80%) GitHub
5 13 (0.80%) SaaS
6 10 (0.62%) Google Cloud Platform
7 9 (0.56%) PaaS
8 7 (0.43%) Amazon S3
8 7 (0.43%) IaaS
9 3 (0.19%) Datadog
9 3 (0.19%) Salesforce Sales Cloud
9 3 (0.19%) Virtual Private Cloud
10 2 (0.12%) Amazon EC2
10 2 (0.12%) Dropbox
10 2 (0.12%) OpenShift
10 2 (0.12%) Serverless
10 2 (0.12%) Slack
10 2 (0.12%) Yammer
11 1 (0.062%) CloudFront
Communications & Networking
1 102 (6.31%) Wireless
2 75 (4.64%) TCP/IP
3 55 (3.40%) Bluetooth
4 36 (2.23%) Wi-Fi
5 33 (2.04%) Firewall
6 32 (1.98%) LAN
7 30 (1.86%) HTTP
8 28 (1.73%) DNS
9 25 (1.55%) WAN
10 24 (1.49%) Internet
11 21 (1.30%) LTE
11 21 (1.30%) Network Security
12 19 (1.18%) NAS
12 19 (1.18%) SSL
13 18 (1.11%) Ethernet
13 18 (1.11%) VPN
14 17 (1.05%) 3GPP
15 14 (0.87%) 3G
16 13 (0.80%) GSM
16 13 (0.80%) VLAN
Database & Business Intelligence
1 73 (4.52%) SQL Server
2 59 (3.65%) Relational Database
3 44 (2.72%) Big Data
4 36 (2.23%) MySQL
5 34 (2.10%) Hadoop
6 31 (1.92%) MongoDB
7 29 (1.79%) Oracle Database
8 27 (1.67%) RDBMS
9 21 (1.30%) GIS
9 21 (1.30%) Ingres
10 19 (1.18%) PostgreSQL
11 16 (0.99%) Oracle Database 11g
12 14 (0.87%) Data Warehouse
13 12 (0.74%) NoSQL
13 12 (0.74%) Oracle Database 10g
14 11 (0.68%) SQL Server 2012
14 11 (0.68%) SQL Server Integration Services
15 9 (0.56%) Data Mining
15 9 (0.56%) DB2
15 9 (0.56%) SQLPlus
Development Applications
1 96 (5.94%) Git (software)
2 65 (4.02%) Subversion
3 58 (3.59%) JIRA
4 52 (3.22%) Rational DOORS
5 43 (2.66%) Jenkins
5 43 (2.66%) Visual Studio
6 32 (1.98%) Rational Rhapsody
7 22 (1.36%) ProC
8 19 (1.18%) Gradle
8 19 (1.18%) Selenium
9 18 (1.11%) TeamCity
10 17 (1.05%) GDB
11 14 (0.87%) Jasmine
12 13 (0.80%) Atlassian Bamboo
12 13 (0.80%) JMeter
12 13 (0.80%) Maven
13 11 (0.68%) NUnit
14 10 (0.62%) LoadRunner
14 10 (0.62%) Mercurial
14 10 (0.62%) Mocha
General
1 241 (14.91%) Finance
2 110 (6.81%) Banking
3 101 (6.25%) Telecoms
4 89 (5.51%) Electronics
5 51 (3.16%) Automotive
6 40 (2.48%) Investment Banking
7 39 (2.41%) Marketing
8 36 (2.23%) Aerospace
9 35 (2.17%) Front Office
9 35 (2.17%) Manufacturing
10 28 (1.73%) Retail
11 25 (1.55%) Legal
12 22 (1.36%) Law
13 13 (0.80%) Games
14 12 (0.74%) Military
15 10 (0.62%) Publishing
16 9 (0.56%) Advertising
17 8 (0.50%) Retail Banking
18 7 (0.43%) Avionics
18 7 (0.43%) German Language
Job Titles
1 408 (25.25%) Developer
2 256 (15.84%) Software Engineer
3 157 (9.72%) Embedded Engineer
4 141 (8.73%) Analyst
5 114 (7.05%) Embedded Software Engineer
6 73 (4.52%) Business Analyst
7 72 (4.46%) Architect
8 69 (4.27%) C Developer
8 69 (4.27%) Java Developer
9 60 (3.71%) C++ Developer
10 58 (3.59%) C++ Software Engineer
11 54 (3.34%) Project Manager
12 51 (3.16%) Consultant
12 51 (3.16%) Senior Developer
13 49 (3.03%) Embedded Developer
13 49 (3.03%) Software Developer
14 48 (2.97%) Linux Engineer
15 47 (2.91%) Python Developer
16 40 (2.48%) C Software Engineer
17 35 (2.17%) Test Engineer
Libraries, Frameworks & Software Standards
1 117 (7.24%) HTML
2 98 (6.06%) Web Services
3 95 (5.88%) .NET
4 79 (4.89%) XML
5 72 (4.46%) CSS
6 45 (2.78%) jQuery
7 39 (2.41%) J2EE
8 36 (2.23%) RESTful
9 35 (2.17%) ASP.NET
10 34 (2.10%) HTML5
11 32 (1.98%) CSS3
11 32 (1.98%) JSON
11 32 (1.98%) Middleware
11 32 (1.98%) SOAP
12 25 (1.55%) AngularJS
13 23 (1.42%) ASP.NET MVC
13 23 (1.42%) Boost C++ Libraries
13 23 (1.42%) REST
14 21 (1.30%) XSLT
15 20 (1.24%) FIX Protocol
Miscellaneous
1 111 (6.87%) Computer Science
2 110 (6.81%) Analytical Skills
3 61 (3.77%) Embedded Systems
4 44 (2.72%) Foreign Exchange (FX)
4 44 (2.72%) Management Information System
5 43 (2.66%) Device Driver
6 40 (2.48%) Algorithms
6 40 (2.48%) Mobile App
7 39 (2.41%) User Experience
8 34 (2.10%) Greenfield Project
9 26 (1.61%) Fixed Income
10 24 (1.49%) Derivative
11 23 (1.42%) Data Centre
11 23 (1.42%) Data Structures
12 21 (1.30%) Equities
13 15 (0.93%) Enterprise Software
14 14 (0.87%) Fintech
14 14 (0.87%) STB
15 12 (0.74%) Field-Programmable Gate Array
16 11 (0.68%) Cyberthreat
Operating Systems
1 407 (25.19%) Linux
2 210 (13.00%) Windows
3 145 (8.97%) Unix
4 66 (4.08%) Android
5 44 (2.72%) Embedded Linux
6 36 (2.23%) Red Hat Enterprise Linux
7 35 (2.17%) Apple iOS
8 31 (1.92%) AIX
9 27 (1.67%) Windows Server
10 26 (1.61%) Windows 7
11 17 (1.05%) Windows Server 2012
12 16 (0.99%) Windows Server 2008
13 15 (0.93%) VxWorks
14 13 (0.80%) CentOS
15 12 (0.74%) Mac OS X
15 12 (0.74%) Nucleus RTOS
15 12 (0.74%) Ubuntu
16 11 (0.68%) Windows 10
17 8 (0.50%) Solaris
18 7 (0.43%) Windows Mobile
Processes & Methodologies
1 387 (23.95%) Agile Software Development
2 370 (22.90%) Software Engineering
3 123 (7.61%) Test Automation
4 112 (6.93%) Project Management
5 108 (6.68%) Scrum
6 104 (6.44%) SDLC
7 101 (6.25%) Stakeholder Management
8 99 (6.13%) TDD
9 97 (6.00%) Continuous Integration
10 90 (5.57%) ITIL
11 87 (5.38%) Multithreading
12 86 (5.32%) Configuration Management
13 70 (4.33%) UML
14 68 (4.21%) DevOps
15 57 (3.53%) Migration
16 55 (3.40%) Mathematics
17 54 (3.34%) Mentoring
18 53 (3.28%) OO
19 51 (3.16%) Analytics
20 49 (3.03%) Coaching
Programming Languages
1 549 (33.97%) C++
2 311 (19.25%) Python
3 299 (18.50%) Java
4 236 (14.60%) SQL
5 173 (10.71%) Embedded C
6 153 (9.47%) JavaScript
7 152 (9.41%) C#
8 93 (5.75%) Perl
9 62 (3.84%) MATLAB
10 58 (3.59%) Shell Script
11 53 (3.28%) PL/SQL
12 37 (2.29%) Embedded C++
13 32 (1.98%) Ruby
14 30 (1.86%) Bash Shell
14 30 (1.86%) R
15 29 (1.79%) PHP
15 29 (1.79%) T-SQL
16 25 (1.55%) Assembly Language
17 23 (1.42%) Ada
17 23 (1.42%) PowerShell
Qualifications
1 268 (16.58%) Security Cleared
2 191 (11.82%) Degree
3 122 (7.55%) SC Cleared
4 114 (7.05%) DV Cleared
5 41 (2.54%) Computer Science Degree
6 22 (1.36%) ISEB
7 15 (0.93%) CISSP
8 14 (0.87%) BPSS Clearance
9 13 (0.80%) Cisco Certification
10 12 (0.74%) Numerate Degree
11 11 (0.68%) Master's Degree
11 11 (0.68%) PRINCE2 Practitioner
12 10 (0.62%) CCNP
12 10 (0.62%) CTC Cleared
13 8 (0.50%) HNC
13 8 (0.50%) ISTQB
13 8 (0.50%) ITIL Certification
13 8 (0.50%) PhD
14 6 (0.37%) HND
14 6 (0.37%) PMP
Quality Assurance & Compliance
1 52 (3.22%) QA
2 47 (2.91%) MISRA
3 26 (1.61%) PMO
4 21 (1.30%) DO-178B
5 19 (1.18%) GDPR
6 15 (0.93%) MISRA C
7 12 (0.74%) Def Stans
7 12 (0.74%) ISO 26262
8 11 (0.68%) COBIT
8 11 (0.68%) Data Quality
8 11 (0.68%) ISO 9001
9 10 (0.62%) Disclosure Scotland
9 10 (0.62%) IEC 62304
9 10 (0.62%) WCAG
10 9 (0.56%) MiFID
11 6 (0.37%) IFRS
11 6 (0.37%) IFRS 9
11 6 (0.37%) ISO/IEC 27001
12 5 (0.31%) SLA
12 5 (0.31%) Solvency II
System Software
1 51 (3.16%) VMware Infrastructure
2 49 (3.03%) Firmware
3 48 (2.97%) Active Directory
4 29 (1.79%) Docker
5 13 (0.80%) vSphere
6 12 (0.74%) KVM
7 10 (0.62%) Advanced Linux Sound Architecture
8 9 (0.56%) Apache Flume
9 8 (0.50%) NFS
9 8 (0.50%) Virtual Machines
9 8 (0.50%) VMware ESXi
10 6 (0.37%) VMware NSX
11 4 (0.25%) Hyper-V
11 4 (0.25%) Virtual Servers
11 4 (0.25%) XenApp
12 3 (0.19%) Cygwin
12 3 (0.19%) VMware Workstation
13 2 (0.12%) HDFS
13 2 (0.12%) QEMU
13 2 (0.12%) XenDesktop
Systems Management
1 41 (2.54%) Puppet
2 39 (2.41%) Ansible
3 34 (2.10%) Opscode Chef
4 17 (1.05%) Kubernetes
5 15 (0.93%) Nagios
5 15 (0.93%) SCCM
6 13 (0.80%) Terraform
7 12 (0.74%) HP Quality Center
8 9 (0.56%) vCenter Server
9 8 (0.50%) SCOM
10 5 (0.31%) Cobbler
10 5 (0.31%) Thomson Reuters DACS
11 4 (0.25%) logstash
11 4 (0.25%) Mesos
11 4 (0.25%) Packer
11 4 (0.25%) Systems Management Server (SMS)
11 4 (0.25%) WhatsUp Gold
12 3 (0.19%) Kibana
12 3 (0.19%) Netcool
13 2 (0.12%) Icinga
Vendors
1 146 (9.03%) Microsoft
2 141 (8.73%) Oracle
3 69 (4.27%) VMware
4 37 (2.29%) Cisco
5 35 (2.17%) Red Hat
5 35 (2.17%) SAP
6 24 (1.49%) HP
7 20 (1.24%) IBM
8 18 (1.11%) ION Trading
8 18 (1.11%) Splunk
9 13 (0.80%) Google
10 11 (0.68%) Citrix
10 11 (0.68%) NetApp
11 10 (0.62%) Fujitsu
11 10 (0.62%) Perforce
12 9 (0.56%) Juniper
12 9 (0.56%) Sybase
12 9 (0.56%) Xamarin
13 8 (0.50%) AppDynamics
13 8 (0.50%) ServiceNow