Period
to 22 October 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 22 October 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
22 Oct 2017
Same period 2016 Same period 2015
Rank 164 124 130
Rank change year-on-year -40 +6 -15
Contract jobs citing C 1584 2176 2056
As % of all contract IT jobs advertised in the UK 1.59% 2.06% 1.80%
As % of the Programming Languages category 3.80% 5.15% 4.72%
Number of daily rates quoted 810 1170 1148
UK median daily rate £435 £420 £386
Median daily rate % change year-on-year +3.57% +8.74% +3.00%
10th Percentile £300 £263 £250
90th Percentile £663 £588 £604
UK excluding London median daily rate £400 £375 £365
% change year-on-year +6.67% +2.74% +4.29%
Number of hourly rates quoted 184 255 289
UK median hourly rate £42.50 £40.00 £38.00
Median hourly rate % change year-on-year +6.25% +5.26% +8.57%
10th Percentile £30.41 £15.86 £14.13
90th Percentile £52.50 £53.75 £47.65
UK excluding London median hourly rate £42.50 £40.00 £37.50
% change year-on-year +6.25% +6.67% +4.17%

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 41664 42293 43550
As % of all contract IT jobs advertised in the UK 41.94% 40.12% 38.19%
Number of daily rates quoted 28946 29067 29450
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +2.56%
10th Percentile £306 £281 £265
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 783 896 986
UK median hourly rate £40.00 £37.50 £36.50
Median hourly rate % change year-on-year +6.67% +2.74% +14.54%
10th Percentile £15.83 £14.19 £15.00
90th Percentile £53.00 £53.75 £51.25
UK excluding London median hourly rate £40.50 £37.50 £37.00
% change year-on-year +8.00% +1.35% +13.85%

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 22 October 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 22 October 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 22 October 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 1458 £450 +5.88% 304
UK excluding London -32 991 £400 +6.67% 239
London -56 556 £500 +5.26% 74
South East -53 264 £400 +14.29% 65
East of England +19 243 £413 -2.94% 85
South West -10 174 £373 -16.76% 24
Midlands +13 108 £350 -12.50% 17
North of England -41 107 £450 +20.00% 38
West Midlands -3 64 £325 -18.75% 12
North West -15 59 £450 +7.14% 17
Scotland -24 48 £350 +7.69% 2
East Midlands +8 40 £400 -10.11% 5
Yorkshire -10 30 £425 +13.33% 16
Wales -14 25 £384 -7.53% 6
Northern Ireland - 23 £411 - 2
North East -12 16 £440 +35.38% 5

For the 6 months to 22 October 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.

1 552 (34.85%) C++
2 419 (26.45%) Linux
3 371 (23.42%) Software Engineering
4 355 (22.41%) Agile Software Development
5 305 (19.26%) Python
6 267 (16.86%) Java
6 267 (16.86%) Security Cleared
7 247 (15.59%) Finance
8 239 (15.09%) SQL
9 189 (11.93%) Windows
10 180 (11.36%) Embedded C
11 167 (10.54%) Unix
12 155 (9.79%) Degree
13 150 (9.47%) SC Cleared
14 140 (8.84%) C#
15 134 (8.46%) JavaScript
16 130 (8.21%) Microsoft
17 123 (7.77%) Oracle
18 120 (7.58%) Banking
19 114 (7.20%) Test Automation
20 112 (7.07%) Git (software)
20 112 (7.07%) SDLC
21 107 (6.76%) Perl
22 105 (6.63%) Analytical Skills
23 104 (6.57%) HTML
24 102 (6.44%) Scrum
25 101 (6.38%) Stakeholder Management
26 98 (6.19%) Electronics
27 96 (6.06%) TDD
28 94 (5.93%) 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 37 (2.34%) Apache
2 31 (1.96%) Confluence
3 28 (1.77%) WebLogic
4 22 (1.39%) SharePoint
5 21 (1.33%) JBoss
6 19 (1.20%) Tomcat
7 16 (1.01%) WebSphere
8 14 (0.88%) Elasticsearch
9 11 (0.69%) Apache Spark
9 11 (0.69%) IIS
9 11 (0.69%) Oracle SOA Suite
10 9 (0.57%) MS Exchange
10 9 (0.57%) OpenROAD
11 8 (0.51%) SAS
12 7 (0.44%) Skype for Business
13 6 (0.38%) ArcGIS
13 6 (0.38%) CMS
13 6 (0.38%) Exchange Server 2013
13 6 (0.38%) TPMS
14 5 (0.32%) Apache Solr
Applications
1 44 (2.78%) Microsoft Excel
2 36 (2.27%) Simulink
3 34 (2.15%) Microsoft Office
4 15 (0.95%) Doxygen
4 15 (0.95%) Microsoft Project
5 13 (0.82%) MS Visio
6 12 (0.76%) Microsoft PowerPoint
7 4 (0.25%) FrameMaker
7 4 (0.25%) Spreadsheet
7 4 (0.25%) Stateflow
7 4 (0.25%) XMetaL
8 3 (0.19%) OrCAD
8 3 (0.19%) Pipeline Pilot
9 2 (0.13%) LaTeX
10 1 (0.063%) Adobe Illustrator
10 1 (0.063%) InVision
10 1 (0.063%) Maya
10 1 (0.063%) Pixate
10 1 (0.063%) Stata
10 1 (0.063%) UXPin
Business Applications
1 15 (0.95%) Dynamics NAV
2 11 (0.69%) LabWindows
3 8 (0.51%) ION MarketView
3 8 (0.51%) Oracle BPM
4 5 (0.32%) Dynamics CRM
5 4 (0.25%) RMDS
6 3 (0.19%) Oracle EBS
6 3 (0.19%) SAP PP
6 3 (0.19%) Summit
7 2 (0.13%) Dynamics AX
7 2 (0.13%) Eloqua
7 2 (0.13%) Oracle ERP
7 2 (0.13%) Oracle Retail
7 2 (0.13%) R3 Corda
7 2 (0.13%) Sage X3
7 2 (0.13%) SAP BPC
7 2 (0.13%) Sonata
7 2 (0.13%) Teamcenter
8 1 (0.063%) Infor LN
8 1 (0.063%) Payment Gateway
Cloud Services
1 41 (2.59%) Amazon AWS
2 31 (1.96%) Microsoft Azure
3 20 (1.26%) Office 365
4 14 (0.88%) GitHub
5 12 (0.76%) Cloud Computing
5 12 (0.76%) SaaS
6 8 (0.51%) Google Cloud Platform
7 7 (0.44%) IaaS
7 7 (0.44%) PaaS
8 6 (0.38%) Amazon S3
9 4 (0.25%) Salesforce Sales Cloud
10 3 (0.19%) npm
10 3 (0.19%) Yammer
11 2 (0.13%) Amazon EC2
11 2 (0.13%) Dropbox
11 2 (0.13%) Slack
11 2 (0.13%) Virtual Private Cloud
12 1 (0.063%) AWS Lambda
12 1 (0.063%) Azure Active Directory
12 1 (0.063%) OneDrive
Communications & Networking
1 91 (5.74%) Wireless
2 85 (5.37%) TCP/IP
3 50 (3.16%) Bluetooth
4 48 (3.03%) Firewall
5 36 (2.27%) Wi-Fi
6 34 (2.15%) HTTP
7 30 (1.89%) DNS
7 30 (1.89%) WAN
8 29 (1.83%) LAN
9 26 (1.64%) SSL
10 24 (1.52%) Internet
11 22 (1.39%) Ethernet
12 19 (1.20%) LTE
12 19 (1.20%) Network Security
13 17 (1.07%) 3GPP
14 16 (1.01%) NAS
15 15 (0.95%) VPN
16 14 (0.88%) LDAP
16 14 (0.88%) Wireshark
17 12 (0.76%) VoIP
Database & Business Intelligence
1 84 (5.30%) SQL Server
2 58 (3.66%) Relational Database
3 39 (2.46%) MySQL
4 38 (2.40%) Big Data
5 35 (2.21%) MongoDB
6 32 (2.02%) Hadoop
7 27 (1.70%) Oracle Database
7 27 (1.70%) RDBMS
8 22 (1.39%) Data Warehouse
9 18 (1.14%) PostgreSQL
10 14 (0.88%) Oracle Database 11g
11 13 (0.82%) Ingres
11 13 (0.82%) SAP BW
12 12 (0.76%) BusinessObjects
12 12 (0.76%) NoSQL
12 12 (0.76%) SQL Server Integration Services
13 10 (0.63%) Oracle Database 12c
13 10 (0.63%) SQL Server Reporting Services
14 9 (0.57%) Blockchain
14 9 (0.57%) KDB
Development Applications
1 112 (7.07%) Git (software)
2 72 (4.55%) JIRA
3 65 (4.10%) Subversion
4 58 (3.66%) Visual Studio
5 52 (3.28%) Rational DOORS
6 42 (2.65%) Jenkins
7 30 (1.89%) Rational Rhapsody
8 28 (1.77%) ProC
9 23 (1.45%) Selenium
10 17 (1.07%) Eclipse
10 17 (1.07%) GDB
11 16 (1.01%) Gradle
12 15 (0.95%) Bitbucket
13 14 (0.88%) Oracle Forms
14 13 (0.82%) JMeter
15 12 (0.76%) NUnit
15 12 (0.76%) SoapUI
16 11 (0.69%) Team Foundation Server
17 10 (0.63%) LoadRunner
17 10 (0.63%) Mercurial
General
1 247 (15.59%) Finance
2 120 (7.58%) Banking
3 98 (6.19%) Electronics
4 90 (5.68%) Telecoms
5 57 (3.60%) Automotive
6 43 (2.71%) Investment Banking
7 41 (2.59%) Aerospace
8 37 (2.34%) Marketing
9 33 (2.08%) Front Office
10 31 (1.96%) Manufacturing
11 21 (1.33%) Retail
12 15 (0.95%) Avionics
12 15 (0.95%) Legal
13 14 (0.88%) Law
14 12 (0.76%) Games
14 12 (0.76%) Military
15 11 (0.69%) Back Office
16 9 (0.57%) Advertising
16 9 (0.57%) Publishing
17 8 (0.51%) French Language
Job Titles
1 418 (26.39%) Developer
2 272 (17.17%) Software Engineer
3 154 (9.72%) Embedded Engineer
4 130 (8.21%) Analyst
5 116 (7.32%) Embedded Software Engineer
6 84 (5.30%) C Developer
7 80 (5.05%) Architect
8 75 (4.73%) C++ Developer
9 64 (4.04%) C++ Software Engineer
10 63 (3.98%) Java Developer
11 62 (3.91%) Business Analyst
12 56 (3.54%) Senior Developer
13 54 (3.41%) Consultant
14 53 (3.35%) Linux Engineer
15 52 (3.28%) Embedded Developer
16 49 (3.09%) Project Manager
17 45 (2.84%) C Software Engineer
17 45 (2.84%) Software Developer
18 37 (2.34%) Test Engineer
19 36 (2.27%) Embedded C Engineer
Libraries, Frameworks & Software Standards
1 104 (6.57%) HTML
2 90 (5.68%) .NET
3 88 (5.56%) Web Services
4 81 (5.11%) XML
5 59 (3.72%) CSS
6 42 (2.65%) Middleware
7 37 (2.34%) RESTful
8 35 (2.21%) JSON
8 35 (2.21%) SOAP
9 34 (2.15%) J2EE
10 32 (2.02%) Boost C++ Libraries
11 31 (1.96%) REST
12 28 (1.77%) HTML5
13 26 (1.64%) CSS3
14 24 (1.52%) XSLT
15 23 (1.45%) .NET Framework
15 23 (1.45%) AngularJS
15 23 (1.45%) jQuery
16 21 (1.33%) WCF
17 20 (1.26%) JNI
Miscellaneous
1 105 (6.63%) Analytical Skills
2 82 (5.18%) Computer Science
3 70 (4.42%) Embedded Systems
4 49 (3.09%) Device Driver
5 46 (2.90%) Foreign Exchange (FX)
6 42 (2.65%) Greenfield Project
7 37 (2.34%) User Experience
8 36 (2.27%) Mobile App
9 35 (2.21%) Equities
10 34 (2.15%) Algorithms
10 34 (2.15%) Management Information System
11 31 (1.96%) Data Centre
12 27 (1.70%) Derivative
13 26 (1.64%) Data Structures
14 23 (1.45%) Field-Programmable Gate Array
15 22 (1.39%) Fixed Income
16 16 (1.01%) Virtual Team
17 14 (0.88%) Fintech
17 14 (0.88%) STB
18 13 (0.82%) Client/Server
Operating Systems
1 419 (26.45%) Linux
2 189 (11.93%) Windows
3 167 (10.54%) Unix
4 57 (3.60%) Android
5 51 (3.22%) Embedded Linux
6 44 (2.78%) Red Hat Enterprise Linux
7 35 (2.21%) AIX
8 25 (1.58%) Windows Server
9 24 (1.52%) Apple iOS
9 24 (1.52%) CentOS
10 20 (1.26%) Windows 7
11 17 (1.07%) Windows 10
12 15 (0.95%) VxWorks
13 12 (0.76%) Solaris
13 12 (0.76%) Ubuntu
14 11 (0.69%) Mac OS X
14 11 (0.69%) Windows Server 2012
15 9 (0.57%) Windows Server 2008
16 8 (0.51%) Nucleus RTOS
17 7 (0.44%) Windows Mobile
Processes & Methodologies
1 371 (23.42%) Software Engineering
2 355 (22.41%) Agile Software Development
3 114 (7.20%) Test Automation
4 112 (7.07%) SDLC
5 102 (6.44%) Scrum
6 101 (6.38%) Stakeholder Management
7 96 (6.06%) TDD
8 94 (5.93%) Continuous Integration
9 93 (5.87%) Project Management
10 86 (5.43%) Multithreading
11 83 (5.24%) UML
12 81 (5.11%) Configuration Management
13 74 (4.67%) ITIL
14 66 (4.17%) DevOps
15 61 (3.85%) OO
16 57 (3.60%) Mathematics
17 52 (3.28%) Migration
17 52 (3.28%) Open Source
18 51 (3.22%) Data Modelling
19 49 (3.09%) Unit Testing
Programming Languages
1 552 (34.85%) C++
2 305 (19.26%) Python
3 267 (16.86%) Java
4 239 (15.09%) SQL
5 180 (11.36%) Embedded C
6 140 (8.84%) C#
7 134 (8.46%) JavaScript
8 107 (6.76%) Perl
9 61 (3.85%) Shell Script
10 59 (3.72%) MATLAB
11 50 (3.16%) PL/SQL
12 44 (2.78%) Bash Shell
13 39 (2.46%) Embedded C++
14 37 (2.34%) T-SQL
15 32 (2.02%) Assembly Language
16 28 (1.77%) PHP
17 27 (1.70%) R
18 26 (1.64%) VB
19 25 (1.58%) Ada
19 25 (1.58%) PowerShell
Qualifications
1 267 (16.86%) Security Cleared
2 155 (9.79%) Degree
3 150 (9.47%) SC Cleared
4 87 (5.49%) DV Cleared
5 36 (2.27%) Computer Science Degree
6 19 (1.20%) Cisco Certification
7 16 (1.01%) CCNP
7 16 (1.01%) ISEB
8 12 (0.76%) Microsoft Certification
9 11 (0.69%) HNC
10 9 (0.57%) CTC Cleared
11 8 (0.51%) CCNA
11 8 (0.51%) ISTQB
12 7 (0.44%) PhD
12 7 (0.44%) PRINCE2 Practitioner
13 6 (0.38%) A+ Certification
13 6 (0.38%) BPSS Clearance
13 6 (0.38%) Master's Degree
14 5 (0.32%) CISSP
14 5 (0.32%) PMP
Quality Assurance & Compliance
1 54 (3.41%) MISRA
2 45 (2.84%) QA
3 32 (2.02%) DO-178B
4 20 (1.26%) PMO
5 14 (0.88%) Def Stans
5 14 (0.88%) GDPR
6 12 (0.76%) ISO 26262
6 12 (0.76%) MISRA C
6 12 (0.76%) SLA
7 10 (0.63%) Data Quality
8 9 (0.57%) MiFID
9 8 (0.51%) ISO 9001
9 8 (0.51%) Solvency II
10 7 (0.44%) COBIT
10 7 (0.44%) IEC 61508
10 7 (0.44%) MIL-STD-1553
11 6 (0.38%) IEC 62304
12 5 (0.32%) Disclosure Scotland
12 5 (0.32%) GAAP
13 4 (0.25%) ISO 14001
System Software
1 46 (2.90%) Firmware
2 39 (2.46%) VMware Infrastructure
3 34 (2.15%) Active Directory
4 23 (1.45%) Docker
5 13 (0.82%) KVM
6 11 (0.69%) vSphere
7 10 (0.63%) Advanced Linux Sound Architecture
8 7 (0.44%) Virtual Machines
9 6 (0.38%) VMware ESXi
9 6 (0.38%) VMware NSX
10 4 (0.25%) Apache Flume
10 4 (0.25%) iptables
10 4 (0.25%) ProxySG
10 4 (0.25%) Virtual Servers
11 3 (0.19%) Cygwin
11 3 (0.19%) Hyper-V
11 3 (0.19%) NFS
11 3 (0.19%) RHEV
11 3 (0.19%) XenApp
11 3 (0.19%) XenDesktop
Systems Management
1 42 (2.65%) Puppet
2 28 (1.77%) Ansible
2 28 (1.77%) Opscode Chef
3 13 (0.82%) SCCM
4 12 (0.76%) HP Quality Center
4 12 (0.76%) Kubernetes
4 12 (0.76%) Nagios
5 11 (0.69%) Terraform
6 8 (0.51%) vCenter Server
7 7 (0.44%) Kibana
8 6 (0.38%) SCOM
9 5 (0.32%) Cobbler
9 5 (0.32%) logstash
9 5 (0.32%) yum
10 4 (0.25%) Thomson Reuters DACS
11 3 (0.19%) CFEngine
11 3 (0.19%) Control-M
11 3 (0.19%) Netcool
11 3 (0.19%) Rundeck
11 3 (0.19%) Tivoli Storage Manager
Vendors
1 130 (8.21%) Microsoft
2 123 (7.77%) Oracle
3 56 (3.54%) VMware
4 40 (2.53%) Cisco
4 40 (2.53%) Red Hat
5 38 (2.40%) SAP
6 23 (1.45%) HP
7 22 (1.39%) ION Trading
8 20 (1.26%) Google
9 18 (1.14%) IBM
10 16 (1.01%) Perforce
11 12 (0.76%) Splunk
12 9 (0.57%) Citrix
12 9 (0.57%) EMC
12 9 (0.57%) F5
12 9 (0.57%) Sybase
12 9 (0.57%) Xamarin
13 8 (0.51%) AppDynamics
13 8 (0.51%) Apple
13 8 (0.51%) Serena