Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
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