Period
to 17 August 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 17 August 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
17 Aug 2017
Same period 2016 Same period 2015
Rank 151 132 140
Rank change year-on-year -19 +8 -30
Contract jobs citing C 1653 2091 1976
As % of all contract IT jobs advertised in the UK 1.73% 1.92% 1.75%
As % of the Programming Languages category 4.11% 4.90% 4.66%
Number of daily rates quoted 866 1061 1068
UK median daily rate £433 £413 £388
Median daily rate % change year-on-year +4.91% +6.45% +3.33%
10th Percentile £299 £265 £258
90th Percentile £663 £613 £600
UK excluding London median daily rate £400 £375 £355
% change year-on-year +6.67% +5.63% +1.43%
Number of hourly rates quoted 184 277 233
UK median hourly rate £42.50 £40.00 £37.50
Median hourly rate % change year-on-year +6.25% +6.67% +7.14%
10th Percentile £30.75 £14.13 £18.75
90th Percentile £52.50 £53.00 £46.25
UK excluding London median hourly rate £42.50 £40.00 £37.50
% change year-on-year +6.25% +6.67% +5.63%

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 40199 42636 42444
As % of all contract IT job vacancies advertised in the UK 42.01% 39.19% 37.67%
Number of daily rates quoted 27630 29315 28158
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +6.67%
10th Percentile £300 £278 £263
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.67% +7.14% +2.94%
Number of hourly rates quoted 781 907 898
UK median hourly rate £40.00 £37.50 £35.00
Median hourly rate % change year-on-year +6.67% +7.14% +4.32%
10th Percentile £16.00 £13.41 £15.50
90th Percentile £53.75 £50.87 £50.00
UK excluding London median hourly rate £40.50 £37.50 £36.00
% change year-on-year +8.00% +4.17% +5.88%

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 17 August 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 17 August 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 17 August 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 -16 1521 £438 +4.17% 437
UK excluding London -14 1029 £400 +6.67% 339
London -19 589 £490 +6.23% 120
South East -25 311 £400 +10.73% 72
East of England +23 201 £409 +2.19% 76
South West -18 179 £383 -15.00% 51
North of England -47 117 £425 +11.84% 51
Midlands +3 116 £350 -12.50% 65
West Midlands +5 66 £333 -16.88% 34
North West -27 66 £450 +5.88% 34
Scotland +6 53 £300 -7.69% 17
East Midlands -1 46 £400 +7.38% 31
Yorkshire -8 37 £410 +18.84% 11
Wales -17 33 £425 +4.29% 5
Northern Ireland - 21 £413 - 2
North East +3 13 £425 +51.79% 6

For the 6 months to 17 August 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.

1 579 (35.03%) C++
2 402 (24.32%) Linux
3 388 (23.47%) Software Engineering
4 332 (20.08%) Agile Software Development
5 313 (18.94%) Java
6 309 (18.69%) SQL
7 290 (17.54%) Security Cleared
8 276 (16.70%) Finance
9 265 (16.03%) Python
10 213 (12.89%) Windows
11 182 (11.01%) C#
12 180 (10.89%) Unix
13 169 (10.22%) Oracle
14 163 (9.86%) SC Cleared
15 161 (9.74%) Embedded C
16 160 (9.68%) Degree
17 149 (9.01%) Microsoft
18 137 (8.29%) Perl
18 137 (8.29%) Banking
19 127 (7.68%) JavaScript
20 124 (7.50%) SDLC
21 121 (7.32%) Analytical Skills
22 114 (6.90%) Scrum
23 112 (6.78%) .NET
24 110 (6.65%) Test Automation
25 104 (6.29%) Git (software)
25 104 (6.29%) SQL Server
26 99 (5.99%) Project Management
27 98 (5.93%) TDD
28 97 (5.87%) Continuous Integration

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 43 (2.60%) Apache
2 33 (2.00%) SharePoint
3 30 (1.81%) WebLogic
4 28 (1.69%) Confluence
5 23 (1.39%) JBoss
6 22 (1.33%) Oracle SOA Suite
6 22 (1.33%) WebSphere
7 20 (1.21%) Elasticsearch
8 17 (1.03%) IIS
9 16 (0.97%) Tomcat
10 13 (0.79%) CMS
11 9 (0.54%) ArcGIS
11 9 (0.54%) MS Exchange
11 9 (0.54%) OpenROAD
12 8 (0.48%) Exchange Server 2013
12 8 (0.48%) NServiceBus
12 8 (0.48%) TPMS
13 7 (0.42%) Apache Spark
13 7 (0.42%) Skype for Business
14 6 (0.36%) Cloud Foundry
Applications
1 69 (4.17%) Microsoft Office
2 52 (3.15%) Microsoft Excel
3 23 (1.39%) Simulink
4 15 (0.91%) MS Visio
5 13 (0.79%) Microsoft PowerPoint
6 12 (0.73%) Doxygen
7 11 (0.67%) Microsoft Project
8 5 (0.30%) FrameMaker
9 4 (0.24%) XMetaL
10 3 (0.18%) Adobe Creative Suite
10 3 (0.18%) OrCAD
11 2 (0.12%) AutoCAD
11 2 (0.12%) Photoshop
11 2 (0.12%) Spreadsheet
11 2 (0.12%) TargetLink
12 1 (0.060%) Adobe Illustrator
12 1 (0.060%) LaTeX
12 1 (0.060%) Maya
12 1 (0.060%) SPSS
12 1 (0.060%) Stata
Business Applications
1 17 (1.03%) LabWindows
2 16 (0.97%) Dynamics NAV
3 11 (0.67%) Dynamics CRM
4 8 (0.48%) Oracle iRecruitment
5 7 (0.42%) ION MarketView
6 5 (0.30%) Oracle BPM
6 5 (0.30%) Oracle EBS
6 5 (0.30%) WebTrends
7 3 (0.18%) Dynamics AX
7 3 (0.18%) Eloqua
7 3 (0.18%) Endur
7 3 (0.18%) SAP GTS
7 3 (0.18%) Siebel CRM
7 3 (0.18%) Summit
8 2 (0.12%) Oracle Payables
8 2 (0.12%) R3 Corda
8 2 (0.12%) RMDS
8 2 (0.12%) Sage X3
8 2 (0.12%) SAP BPC
8 2 (0.12%) Sonata
Cloud Services
1 40 (2.42%) Amazon AWS
2 30 (1.81%) Microsoft Azure
3 18 (1.09%) Office 365
4 11 (0.67%) PaaS
5 10 (0.60%) GitHub
5 10 (0.60%) IaaS
5 10 (0.60%) SaaS
6 8 (0.48%) Oracle CX
6 8 (0.48%) Oracle Service Cloud
7 7 (0.42%) Cloud Computing
8 5 (0.30%) Adobe Analytics
9 4 (0.24%) Amazon S3
9 4 (0.24%) G Suite
9 4 (0.24%) Salesforce Sales Cloud
10 3 (0.18%) Google Cloud Platform
11 2 (0.12%) Amazon EC2
11 2 (0.12%) Slack
11 2 (0.12%) Virtual Private Cloud
11 2 (0.12%) Yammer
12 1 (0.060%) Google Analytics
Communications & Networking
1 81 (4.90%) TCP/IP
2 52 (3.15%) Firewall
3 44 (2.66%) HTTP
4 42 (2.54%) Wireless
5 39 (2.36%) SSL
6 37 (2.24%) DNS
7 30 (1.81%) Wi-Fi
8 27 (1.63%) Bluetooth
9 26 (1.57%) WAN
10 22 (1.33%) Internet
11 21 (1.27%) Ethernet
11 21 (1.27%) LAN
12 17 (1.03%) Wireshark
13 15 (0.91%) DVB
14 14 (0.85%) Network Security
15 13 (0.79%) SAN
16 12 (0.73%) IPsec
16 12 (0.73%) VoIP
17 11 (0.67%) NAS
17 11 (0.67%) ZigBee
Database & Business Intelligence
1 104 (6.29%) SQL Server
2 66 (3.99%) Relational Database
3 38 (2.30%) MongoDB
3 38 (2.30%) Oracle Database
4 33 (2.00%) Data Warehouse
5 32 (1.94%) Big Data
5 32 (1.94%) MySQL
6 28 (1.69%) Hadoop
7 27 (1.63%) Oracle Database 11g
8 25 (1.51%) RDBMS
9 24 (1.45%) PostgreSQL
10 23 (1.39%) Oracle Database 12c
11 21 (1.27%) NoSQL
12 19 (1.15%) SQL Server Integration Services
13 17 (1.03%) KDB
14 16 (0.97%) BusinessObjects
15 15 (0.91%) SAP BW
16 12 (0.73%) SQL Server Reporting Services
17 10 (0.60%) Oracle ODI
18 9 (0.54%) Ingres
Development Applications
1 104 (6.29%) Git (software)
2 73 (4.42%) JIRA
3 63 (3.81%) Visual Studio
4 53 (3.21%) Jenkins
5 52 (3.15%) Rational DOORS
5 52 (3.15%) Subversion
6 42 (2.54%) ProC
7 29 (1.75%) Rational Rhapsody
8 24 (1.45%) Selenium
9 22 (1.33%) Eclipse
10 21 (1.27%) Team Foundation Server
11 17 (1.03%) Oracle Forms
12 16 (0.97%) Bitbucket
13 14 (0.85%) SoapUI
14 13 (0.79%) GDB
14 13 (0.79%) Gradle
14 13 (0.79%) NUnit
15 12 (0.73%) JMeter
16 11 (0.67%) LoadRunner
17 9 (0.54%) Mercurial
General
1 276 (16.70%) Finance
2 137 (8.29%) Banking
3 80 (4.84%) Electronics
4 71 (4.30%) Telecoms
5 44 (2.66%) Aerospace
6 43 (2.60%) Automotive
6 43 (2.60%) Investment Banking
7 37 (2.24%) Front Office
8 36 (2.18%) Marketing
9 30 (1.81%) Manufacturing
10 25 (1.51%) Retail
11 22 (1.33%) Games
12 19 (1.15%) Avionics
13 18 (1.09%) Legal
13 18 (1.09%) Military
14 15 (0.91%) Back Office
15 9 (0.54%) Law
16 8 (0.48%) Advertising
16 8 (0.48%) German Language
17 7 (0.42%) French Language
Job Titles
1 465 (28.13%) Developer
2 282 (17.06%) Software Engineer
3 160 (9.68%) Embedded Engineer
4 126 (7.62%) Analyst
5 117 (7.08%) Embedded Software Engineer
6 100 (6.05%) Java Developer
7 95 (5.75%) C++ Developer
8 91 (5.51%) Architect
9 75 (4.54%) C Developer
10 71 (4.30%) C++ Software Engineer
11 66 (3.99%) Project Manager
12 62 (3.75%) Consultant
13 59 (3.57%) Linux Engineer
14 54 (3.27%) C Software Engineer
15 51 (3.09%) Senior Developer
16 48 (2.90%) Software Developer
17 46 (2.78%) SQL Developer
18 44 (2.66%) Business Analyst
18 44 (2.66%) Systems Engineer
19 41 (2.48%) C# Developer
Libraries, Frameworks & Software Standards
1 112 (6.78%) .NET
2 97 (5.87%) HTML
3 82 (4.96%) Web Services
4 73 (4.42%) XML
5 59 (3.57%) CSS
6 49 (2.96%) Middleware
7 47 (2.84%) J2EE
8 35 (2.12%) REST
9 33 (2.00%) JSON
9 33 (2.00%) RESTful
10 31 (1.88%) JNI
11 30 (1.81%) .NET Framework
11 30 (1.81%) Boost C++ Libraries
11 30 (1.81%) HTML5
12 28 (1.69%) AngularJS
13 25 (1.51%) SOAP
13 25 (1.51%) XSLT
14 21 (1.27%) ASP.NET
14 21 (1.27%) STL
14 21 (1.27%) WCF
Miscellaneous
1 121 (7.32%) Analytical Skills
2 77 (4.66%) Computer Science
3 64 (3.87%) Embedded Systems
4 50 (3.02%) Data Centre
5 49 (2.96%) Foreign Exchange (FX)
5 49 (2.96%) Greenfield Project
6 48 (2.90%) Equities
7 42 (2.54%) Algorithms
8 40 (2.42%) Device Driver
9 37 (2.24%) Management Information System
9 37 (2.24%) User Experience
10 31 (1.88%) Fixed Income
10 31 (1.88%) Mobile App
11 29 (1.75%) Field-Programmable Gate Array
12 24 (1.45%) STB
13 22 (1.33%) Data Structures
14 21 (1.27%) Digital TV
15 16 (0.97%) Derivative
16 15 (0.91%) Client/Server
17 13 (0.79%) Virtual Team
Operating Systems
1 402 (24.32%) Linux
2 213 (12.89%) Windows
3 180 (10.89%) Unix
4 53 (3.21%) Android
4 53 (3.21%) Red Hat Enterprise Linux
5 45 (2.72%) Embedded Linux
6 33 (2.00%) Windows Server
7 31 (1.88%) Windows 7
8 28 (1.69%) AIX
9 25 (1.51%) Apple iOS
9 25 (1.51%) CentOS
10 16 (0.97%) Windows Server 2012
11 15 (0.91%) Windows 10
12 13 (0.79%) VxWorks
13 12 (0.73%) Ubuntu
14 11 (0.67%) Solaris
14 11 (0.67%) Windows Server 2008
15 10 (0.60%) Mac OS
16 9 (0.54%) Nucleus RTOS
17 6 (0.36%) Windows Mobile
Processes & Methodologies
1 388 (23.47%) Software Engineering
2 332 (20.08%) Agile Software Development
3 124 (7.50%) SDLC
4 114 (6.90%) Scrum
5 110 (6.65%) Test Automation
6 99 (5.99%) Project Management
7 98 (5.93%) TDD
8 97 (5.87%) Continuous Integration
9 95 (5.75%) Multithreading
10 82 (4.96%) Configuration Management
10 82 (4.96%) Stakeholder Management
11 77 (4.66%) UML
12 76 (4.60%) DevOps
12 76 (4.60%) ITIL
13 75 (4.54%) OO
14 63 (3.81%) Mathematics
15 60 (3.63%) Unit Testing
16 58 (3.51%) Low Latency
16 58 (3.51%) Open Source
17 56 (3.39%) Migration
Programming Languages
1 579 (35.03%) C++
2 313 (18.94%) Java
3 309 (18.69%) SQL
4 265 (16.03%) Python
5 182 (11.01%) C#
6 161 (9.74%) Embedded C
7 137 (8.29%) Perl
8 127 (7.68%) JavaScript
9 57 (3.45%) PL/SQL
10 55 (3.33%) MATLAB
11 54 (3.27%) Bash Shell
12 52 (3.15%) Shell Script
13 43 (2.60%) Assembly Language
14 38 (2.30%) Embedded C++
15 37 (2.24%) T-SQL
16 36 (2.18%) VB
17 35 (2.12%) Ruby
18 25 (1.51%) PowerShell
19 22 (1.33%) R
20 20 (1.21%) PHP
Qualifications
1 290 (17.54%) Security Cleared
2 163 (9.86%) SC Cleared
3 160 (9.68%) Degree
4 81 (4.90%) DV Cleared
5 34 (2.06%) Computer Science Degree
6 24 (1.45%) Cisco Certification
7 18 (1.09%) Microsoft Certification
8 17 (1.03%) HNC
9 16 (0.97%) CCNP
10 14 (0.85%) CISSP
11 13 (0.79%) CCNA
11 13 (0.79%) ISEB
12 12 (0.73%) BPSS Clearance
12 12 (0.73%) HND
12 12 (0.73%) ISTQB
13 8 (0.48%) CISA
14 7 (0.42%) CTC Cleared
15 6 (0.36%) A+ Certification
15 6 (0.36%) AWS Certification
15 6 (0.36%) CEH
Quality Assurance & Compliance
1 42 (2.54%) QA
2 38 (2.30%) MISRA
3 34 (2.06%) DO-178B
4 24 (1.45%) Def Stans
5 17 (1.03%) SLA
6 16 (0.97%) PMO
7 15 (0.91%) Data Quality
8 13 (0.79%) IEC 61508
8 13 (0.79%) SEPA
9 11 (0.67%) GDPR
9 11 (0.67%) MISRA C
10 10 (0.60%) MIL-STD-1553
11 9 (0.54%) ISO 14001
11 9 (0.54%) ISO 9001
11 9 (0.54%) ISO/IEC 27001
12 8 (0.48%) Solvency II
13 7 (0.42%) Disclosure Scotland
14 6 (0.36%) JSP 440
14 6 (0.36%) NEBOSH
15 5 (0.30%) MiFID
System Software
1 42 (2.54%) Active Directory
2 39 (2.36%) Firmware
3 29 (1.75%) Docker
4 25 (1.51%) VMware Infrastructure
5 14 (0.85%) vSphere
6 11 (0.67%) Virtual Machines
7 8 (0.48%) VMware ESXi
8 7 (0.42%) KVM
9 6 (0.36%) ProxySG
9 6 (0.36%) VMware NSX
10 5 (0.30%) Advanced Linux Sound Architecture
11 4 (0.24%) iptables
11 4 (0.24%) Virtual Desktop
11 4 (0.24%) XenDesktop
12 3 (0.18%) Apache Flume
12 3 (0.18%) Cygwin
12 3 (0.18%) LXC
12 3 (0.18%) RHEV
12 3 (0.18%) XenApp
12 3 (0.18%) XenServer
Systems Management
1 41 (2.48%) Puppet
2 30 (1.81%) Opscode Chef
3 17 (1.03%) Ansible
4 13 (0.79%) SCCM
5 11 (0.67%) vCenter Server
6 10 (0.60%) Kibana
7 9 (0.54%) HP Quality Center
7 9 (0.54%) Kubernetes
8 8 (0.48%) Nagios
8 8 (0.48%) Terraform
9 5 (0.30%) Cobbler
9 5 (0.30%) HP Fortify
9 5 (0.30%) Oracle RMAN
9 5 (0.30%) SCOM
9 5 (0.30%) yum
10 4 (0.24%) NetBackup
11 3 (0.18%) logstash
11 3 (0.18%) Rancher
11 3 (0.18%) Rundeck
11 3 (0.18%) WSUS
Vendors
1 169 (10.22%) Oracle
2 149 (9.01%) Microsoft
3 55 (3.33%) VMware
4 54 (3.27%) SAP
5 49 (2.96%) Cisco
6 41 (2.48%) Red Hat
7 30 (1.81%) ION Trading
8 29 (1.75%) HP
8 29 (1.75%) IBM
9 21 (1.27%) Sybase
10 16 (0.97%) Google
11 15 (0.91%) Serena
12 13 (0.79%) EMC
13 12 (0.73%) WSO2
14 11 (0.67%) Perforce
15 10 (0.60%) Citrix
15 10 (0.60%) ServiceNow
16 9 (0.54%) Apple
16 9 (0.54%) F5
16 9 (0.54%) Nokia