Period
to 26 September 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 26 September 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
26 Sep 2017
Same period 2016 Same period 2015
Rank 155 130 134
Rank change year-on-year -25 +4 -24
Contract jobs citing C 1608 2111 2007
As % of all contract IT jobs advertised in the UK 1.62% 1.98% 1.77%
As % of the Programming Languages category 3.88% 4.97% 4.66%
Number of daily rates quoted 831 1103 1093
UK median daily rate £433 £417 £380
Median daily rate % change year-on-year +3.96% +9.61% +1.33%
10th Percentile £300 £271 £257
90th Percentile £663 £605 £595
UK excluding London median daily rate £400 £375 £365
% change year-on-year +6.67% +2.74% +4.29%
Number of hourly rates quoted 183 258 276
UK median hourly rate £42.50 £40.00 £38.25
Median hourly rate % change year-on-year +6.25% +4.58% +9.29%
10th Percentile £30.55 £15.12 £17.50
90th Percentile £52.50 £53.75 £47.50
UK excluding London median hourly rate £42.50 £40.00 £38.00
% change year-on-year +6.25% +5.26% +5.56%

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 41462 42488 43100
As % of all contract IT jobs advertised in the UK 41.86% 39.80% 38.09%
Number of daily rates quoted 28630 29215 29051
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +3.23%
10th Percentile £305 £280 £263
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.67% +3.45% +3.57%
Number of hourly rates quoted 776 913 962
UK median hourly rate £40.00 £37.50 £36.50
Median hourly rate % change year-on-year +6.67% +2.74% +12.31%
10th Percentile £15.79 £14.03 £15.50
90th Percentile £53.75 £51.50 £50.00
UK excluding London median hourly rate £40.25 £37.50 £37.00
% change year-on-year +7.33% +1.35% +10.71%

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 26 September 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 26 September 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 26 September 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 -36 1482 £438 +2.94% 233
UK excluding London -23 1009 £400 +6.67% 177
London -47 564 £500 +8.11% 60
South East -33 281 £384 +6.60% 34
East of England +30 227 £409 -3.82% 55
South West -8 177 £375 -16.67% 24
North of England -53 115 £450 +17.26% 34
Midlands +1 111 £350 -12.50% 26
North West -16 64 £450 +5.88% 17
West Midlands -3 63 £325 -18.75% 17
Scotland -10 51 £325 - 3
East Midlands -1 43 £400 -11.11% 9
Yorkshire -8 35 £420 +12.00% 15
Wales -22 26 £405 -2.41% 1
Northern Ireland - 23 £413 -
North East -1 14 £425 +32.81% 2

For the 6 months to 26 September 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.

1 571 (35.51%) C++
2 403 (25.06%) Linux
3 380 (23.63%) Software Engineering
4 344 (21.39%) Agile Software Development
5 289 (17.97%) Python
6 278 (17.29%) Java
6 278 (17.29%) SQL
7 264 (16.42%) Security Cleared
8 258 (16.04%) Finance
9 200 (12.44%) Windows
10 179 (11.13%) Embedded C
11 172 (10.70%) Unix
12 157 (9.76%) C#
13 150 (9.33%) SC Cleared
14 148 (9.20%) Degree
15 138 (8.58%) Oracle
16 133 (8.27%) JavaScript
17 130 (8.08%) Microsoft
18 129 (8.02%) Banking
19 122 (7.59%) Perl
20 114 (7.09%) Git (software)
21 113 (7.03%) SDLC
22 110 (6.84%) Analytical Skills
23 109 (6.78%) Test Automation
23 109 (6.78%) Scrum
24 103 (6.41%) .NET
25 100 (6.22%) HTML
26 98 (6.09%) TDD
27 95 (5.91%) Continuous Integration
28 93 (5.78%) 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 40 (2.49%) Apache
2 29 (1.80%) Confluence
2 29 (1.80%) WebLogic
3 22 (1.37%) JBoss
3 22 (1.37%) SharePoint
4 19 (1.18%) Elasticsearch
4 19 (1.18%) Tomcat
4 19 (1.18%) WebSphere
5 16 (1.00%) IIS
6 11 (0.68%) MS Exchange
7 10 (0.62%) CMS
7 10 (0.62%) Oracle SOA Suite
8 9 (0.56%) OpenROAD
9 8 (0.50%) ArcGIS
9 8 (0.50%) TPMS
10 7 (0.44%) Apache Spark
10 7 (0.44%) Exchange Server 2013
10 7 (0.44%) NServiceBus
10 7 (0.44%) Skype for Business
11 5 (0.31%) Exchange Server 2007
Applications
1 46 (2.86%) Microsoft Excel
2 44 (2.74%) Microsoft Office
3 34 (2.11%) Simulink
4 16 (1.00%) MS Visio
5 12 (0.75%) Doxygen
6 11 (0.68%) Microsoft PowerPoint
6 11 (0.68%) Microsoft Project
7 5 (0.31%) FrameMaker
8 4 (0.25%) Spreadsheet
8 4 (0.25%) XMetaL
9 3 (0.19%) OrCAD
10 2 (0.12%) Adobe Illustrator
10 2 (0.12%) AutoCAD
10 2 (0.12%) Photoshop
10 2 (0.12%) Stateflow
10 2 (0.12%) TargetLink
11 1 (0.062%) Acrobat
11 1 (0.062%) InDesign
11 1 (0.062%) Maya
11 1 (0.062%) SPSS
Business Applications
1 15 (0.93%) Dynamics NAV
2 13 (0.81%) LabWindows
3 8 (0.50%) Dynamics CRM
4 5 (0.31%) Oracle BPM
5 4 (0.25%) Dynamics AX
5 4 (0.25%) ION MarketView
5 4 (0.25%) RMDS
6 3 (0.19%) Eloqua
6 3 (0.19%) Oracle EBS
6 3 (0.19%) SAP PP
6 3 (0.19%) Summit
7 2 (0.12%) Oracle ERP
7 2 (0.12%) Oracle Retail
7 2 (0.12%) R3 Corda
7 2 (0.12%) Sage X3
7 2 (0.12%) SAP BPC
7 2 (0.12%) Sonata
7 2 (0.12%) Teamcenter
8 1 (0.062%) SAP CO
8 1 (0.062%) Sentinel
Cloud Services
1 28 (1.74%) Amazon AWS
2 26 (1.62%) Microsoft Azure
3 18 (1.12%) Office 365
4 13 (0.81%) GitHub
5 7 (0.44%) Cloud Computing
5 7 (0.44%) SaaS
6 4 (0.25%) npm
6 4 (0.25%) PaaS
6 4 (0.25%) Salesforce Sales Cloud
7 3 (0.19%) Amazon S3
7 3 (0.19%) Google Cloud Platform
7 3 (0.19%) IaaS
7 3 (0.19%) Yammer
8 2 (0.12%) Amazon EC2
8 2 (0.12%) Dropbox
8 2 (0.12%) G Suite
8 2 (0.12%) Slack
8 2 (0.12%) Virtual Private Cloud
9 1 (0.062%) Dynamics 365
9 1 (0.062%) Salesforce Service Cloud
Communications & Networking
1 80 (4.98%) TCP/IP
2 76 (4.73%) Wireless
3 54 (3.36%) Firewall
4 40 (2.49%) Bluetooth
4 40 (2.49%) HTTP
5 33 (2.05%) DNS
6 30 (1.87%) WAN
7 29 (1.80%) SSL
8 28 (1.74%) LAN
9 26 (1.62%) Wi-Fi
10 21 (1.31%) Internet
11 20 (1.24%) Ethernet
12 19 (1.18%) Wireshark
13 17 (1.06%) LTE
13 17 (1.06%) NAS
14 16 (1.00%) Network Security
15 14 (0.87%) 3GPP
15 14 (0.87%) LDAP
16 13 (0.81%) VPN
17 11 (0.68%) SAN
Database & Business Intelligence
1 90 (5.60%) SQL Server
2 59 (3.67%) Relational Database
3 36 (2.24%) MongoDB
4 35 (2.18%) MySQL
5 32 (1.99%) Big Data
6 30 (1.87%) Oracle Database
7 26 (1.62%) Hadoop
8 25 (1.55%) Data Warehouse
8 25 (1.55%) RDBMS
9 20 (1.24%) Oracle Database 11g
10 18 (1.12%) PostgreSQL
11 17 (1.06%) Oracle Database 12c
12 14 (0.87%) NoSQL
12 14 (0.87%) SAP BW
13 13 (0.81%) KDB
13 13 (0.81%) SQL Server Integration Services
14 12 (0.75%) BusinessObjects
15 10 (0.62%) Ingres
15 10 (0.62%) SQL Server Reporting Services
16 8 (0.50%) DB2
Development Applications
1 114 (7.09%) Git (software)
2 76 (4.73%) JIRA
3 62 (3.86%) Visual Studio
4 60 (3.73%) Subversion
5 58 (3.61%) Rational DOORS
6 47 (2.92%) Jenkins
7 37 (2.30%) ProC
8 35 (2.18%) Rational Rhapsody
9 22 (1.37%) Selenium
10 21 (1.31%) Eclipse
11 19 (1.18%) GDB
12 16 (1.00%) Bitbucket
12 16 (1.00%) Gradle
12 16 (1.00%) Oracle Forms
12 16 (1.00%) Team Foundation Server
13 12 (0.75%) JMeter
13 12 (0.75%) NUnit
13 12 (0.75%) SoapUI
14 10 (0.62%) Mercurial
15 9 (0.56%) Atlassian Bamboo
General
1 258 (16.04%) Finance
2 129 (8.02%) Banking
3 89 (5.53%) Electronics
4 80 (4.98%) Telecoms
5 61 (3.79%) Automotive
6 49 (3.05%) Aerospace
7 44 (2.74%) Investment Banking
8 34 (2.11%) Manufacturing
9 33 (2.05%) Front Office
10 32 (1.99%) Marketing
11 27 (1.68%) Retail
12 17 (1.06%) Avionics
12 17 (1.06%) Legal
13 14 (0.87%) Games
14 13 (0.81%) Military
15 12 (0.75%) Back Office
15 12 (0.75%) Law
16 9 (0.56%) Publishing
17 8 (0.50%) French Language
17 8 (0.50%) German Language
Job Titles
1 441 (27.43%) Developer
2 283 (17.60%) Software Engineer
3 159 (9.89%) Embedded Engineer
4 123 (7.65%) Analyst
5 119 (7.40%) Embedded Software Engineer
6 87 (5.41%) C++ Developer
7 82 (5.10%) Architect
7 82 (5.10%) C Developer
8 81 (5.04%) Java Developer
9 66 (4.10%) C++ Software Engineer
10 60 (3.73%) Consultant
11 59 (3.67%) Senior Developer
12 56 (3.48%) Business Analyst
13 55 (3.42%) Project Manager
14 51 (3.17%) Software Developer
15 50 (3.11%) Embedded Developer
16 48 (2.99%) Linux Engineer
17 41 (2.55%) Test Engineer
18 37 (2.30%) Python Developer
19 36 (2.24%) C Software Engineer
Libraries, Frameworks & Software Standards
1 103 (6.41%) .NET
2 100 (6.22%) HTML
3 80 (4.98%) Web Services
4 76 (4.73%) XML
5 66 (4.10%) CSS
6 46 (2.86%) Middleware
7 37 (2.30%) JSON
8 36 (2.24%) J2EE
8 36 (2.24%) RESTful
9 33 (2.05%) HTML5
10 31 (1.93%) SOAP
11 30 (1.87%) .NET Framework
11 30 (1.87%) REST
12 27 (1.68%) Boost C++ Libraries
13 25 (1.55%) AngularJS
14 24 (1.49%) CSS3
15 22 (1.37%) jQuery
15 22 (1.37%) XSLT
16 20 (1.24%) JNI
16 20 (1.24%) WCF
Miscellaneous
1 110 (6.84%) Analytical Skills
2 72 (4.48%) Computer Science
3 70 (4.35%) Embedded Systems
4 46 (2.86%) Foreign Exchange (FX)
5 42 (2.61%) Algorithms
5 42 (2.61%) Device Driver
6 40 (2.49%) Greenfield Project
7 38 (2.36%) Data Centre
8 37 (2.30%) Equities
9 36 (2.24%) User Experience
10 32 (1.99%) Management Information System
11 28 (1.74%) Mobile App
12 27 (1.68%) Field-Programmable Gate Array
13 25 (1.55%) Derivative
14 24 (1.49%) Data Structures
15 23 (1.43%) Fixed Income
16 18 (1.12%) STB
17 16 (1.00%) Virtual Team
18 15 (0.93%) Digital TV
19 13 (0.81%) VHDL
Operating Systems
1 403 (25.06%) Linux
2 200 (12.44%) Windows
3 172 (10.70%) Unix
4 49 (3.05%) Android
5 47 (2.92%) Red Hat Enterprise Linux
6 44 (2.74%) Embedded Linux
7 32 (1.99%) AIX
8 29 (1.80%) Windows Server
9 25 (1.55%) CentOS
10 23 (1.43%) Windows 7
11 17 (1.06%) Apple iOS
11 17 (1.06%) Windows 10
12 13 (0.81%) Ubuntu
12 13 (0.81%) Windows Server 2012
13 12 (0.75%) Solaris
13 12 (0.75%) VxWorks
14 11 (0.68%) Mac OS X
14 11 (0.68%) Windows Server 2008
15 9 (0.56%) Nucleus RTOS
16 6 (0.37%) Windows Mobile
Processes & Methodologies
1 380 (23.63%) Software Engineering
2 344 (21.39%) Agile Software Development
3 113 (7.03%) SDLC
4 109 (6.78%) Scrum
4 109 (6.78%) Test Automation
5 98 (6.09%) TDD
6 95 (5.91%) Continuous Integration
7 93 (5.78%) Stakeholder Management
8 89 (5.53%) Multithreading
9 87 (5.41%) Project Management
10 86 (5.35%) UML
11 80 (4.98%) Configuration Management
12 75 (4.66%) ITIL
13 71 (4.42%) OO
14 67 (4.17%) DevOps
15 55 (3.42%) Open Source
16 54 (3.36%) Mathematics
16 54 (3.36%) Unit Testing
17 52 (3.23%) Data Modelling
18 50 (3.11%) Migration
Programming Languages
1 571 (35.51%) C++
2 289 (17.97%) Python
3 278 (17.29%) Java
3 278 (17.29%) SQL
4 179 (11.13%) Embedded C
5 157 (9.76%) C#
6 133 (8.27%) JavaScript
7 122 (7.59%) Perl
8 65 (4.04%) MATLAB
9 61 (3.79%) Shell Script
10 56 (3.48%) PL/SQL
11 49 (3.05%) Bash Shell
12 41 (2.55%) Assembly Language
12 41 (2.55%) Embedded C++
12 41 (2.55%) T-SQL
13 31 (1.93%) VB
14 29 (1.80%) PowerShell
15 27 (1.68%) Ruby
16 26 (1.62%) PHP
17 23 (1.43%) R
Qualifications
1 264 (16.42%) Security Cleared
2 150 (9.33%) SC Cleared
3 148 (9.20%) Degree
4 77 (4.79%) DV Cleared
5 35 (2.18%) Computer Science Degree
6 24 (1.49%) Cisco Certification
7 17 (1.06%) CCNP
8 15 (0.93%) HNC
9 14 (0.87%) Microsoft Certification
10 12 (0.75%) CCNA
10 12 (0.75%) ISEB
11 8 (0.50%) CTC Cleared
11 8 (0.50%) HND
11 8 (0.50%) ISTQB
12 7 (0.44%) BPSS Clearance
12 7 (0.44%) CISSP
13 6 (0.37%) A+ Certification
14 5 (0.31%) AWS Certification
14 5 (0.31%) PRINCE2 Practitioner
15 4 (0.25%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 54 (3.36%) MISRA
2 41 (2.55%) QA
3 35 (2.18%) DO-178B
4 18 (1.12%) Def Stans
5 17 (1.06%) PMO
6 16 (1.00%) MISRA C
7 14 (0.87%) GDPR
8 13 (0.81%) SLA
9 12 (0.75%) Data Quality
10 10 (0.62%) ISO 26262
11 9 (0.56%) IEC 61508
11 9 (0.56%) MiFID
11 9 (0.56%) MIL-STD-1553
12 8 (0.50%) ISO 9001
12 8 (0.50%) SEPA
12 8 (0.50%) Solvency II
13 6 (0.37%) COBIT
13 6 (0.37%) Disclosure Scotland
13 6 (0.37%) IEC 62304
14 5 (0.31%) GAAP
System Software
1 46 (2.86%) Firmware
2 36 (2.24%) Active Directory
3 28 (1.74%) VMware Infrastructure
4 25 (1.55%) Docker
5 12 (0.75%) vSphere
6 10 (0.62%) Virtual Machines
7 6 (0.37%) Advanced Linux Sound Architecture
7 6 (0.37%) VMware ESXi
7 6 (0.37%) VMware NSX
8 5 (0.31%) KVM
8 5 (0.31%) ProxySG
8 5 (0.31%) Virtual Servers
9 4 (0.25%) iptables
9 4 (0.25%) XenApp
9 4 (0.25%) XenDesktop
10 3 (0.19%) Apache Flume
10 3 (0.19%) Cygwin
10 3 (0.19%) Hyper-V
10 3 (0.19%) NFS
10 3 (0.19%) RHEV
Systems Management
1 36 (2.24%) Puppet
2 21 (1.31%) Opscode Chef
3 19 (1.18%) Ansible
4 14 (0.87%) SCCM
5 12 (0.75%) Kubernetes
6 11 (0.68%) HP Quality Center
6 11 (0.68%) Terraform
6 11 (0.68%) vCenter Server
7 10 (0.62%) Kibana
7 10 (0.62%) Nagios
8 6 (0.37%) Cobbler
9 5 (0.31%) SCOM
9 5 (0.31%) yum
10 4 (0.25%) Oracle RMAN
10 4 (0.25%) Thomson Reuters DACS
11 3 (0.19%) Control-M
11 3 (0.19%) logstash
11 3 (0.19%) NetBackup
11 3 (0.19%) Rundeck
11 3 (0.19%) WSUS
Vendors
1 138 (8.58%) Oracle
2 130 (8.08%) Microsoft
3 49 (3.05%) VMware
4 44 (2.74%) Cisco
5 40 (2.49%) Red Hat
5 40 (2.49%) SAP
6 24 (1.49%) HP
6 24 (1.49%) IBM
7 22 (1.37%) ION Trading
8 14 (0.87%) Google
8 14 (0.87%) Perforce
8 14 (0.87%) Sybase
9 12 (0.75%) EMC
10 11 (0.68%) F5
11 10 (0.62%) Citrix
11 10 (0.62%) Serena
12 8 (0.50%) ServiceNow
12 8 (0.50%) Splunk
13 7 (0.44%) Freescale
13 7 (0.44%) WSO2