Period
to 25 September 2018

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 25 September 2018 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
25 Sep 2018
Same period 2017 Same period 2016
Rank 166 160 128
Rank change year-on-year -6 -32 +12
Contract jobs citing C 1,705 1,596 2,096
As % of all contract IT jobs advertised in the UK 1.66% 1.62% 1.98%
As % of the Programming Languages category 3.73% 3.88% 4.97%
Number of daily rates quoted 916 827 1,091
UK median daily rate £475 £433 £415
Median daily rate % change year-on-year +9.83% +4.22% +9.21%
10th Percentile £313 £300 £270
90th Percentile £650 £663 £607
UK excluding London median daily rate £416 £400 £375
% change year-on-year +4.06% +6.67% +2.74%
Number of hourly rates quoted 216 181 256
UK median hourly rate £42.50 £42.50 £40.00
Median hourly rate % change year-on-year - +6.25% +4.58%
10th Percentile £22.25 £30.50 £15.54
90th Percentile £50.13 £52.50 £53.75
UK excluding London median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +5.26%

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 45,748 41,144 42,184
As % of all contract IT jobs advertised in the UK 44.50% 41.88% 39.80%
Number of daily rates quoted 32,179 28,407 28,998
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £313 £306 £280
90th Percentile £638 £625 £588
UK excluding London median daily rate £415 £400 £375
% change year-on-year +3.75% +6.67% +3.45%
Number of hourly rates quoted 716 768 908
UK median hourly rate £41.53 £40.00 £37.50
Median hourly rate % change year-on-year +3.83% +6.67% +2.74%
10th Percentile £16.25 £15.79 £14.00
90th Percentile £52.50 £53.75 £51.50
UK excluding London median hourly rate £42.00 £40.00 £37.50
% change year-on-year +5.00% +6.67% +1.35%

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 25 September 2018.

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 25 September 2018.

Contractor hourly rate histogram for C in the UK

C
Top 17 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 25 September 2018. 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 +1 1,579 £475 +8.57% 1,530
UK excluding London -4 1,072 £416 +4.06% 1,298
London 0 601 £535 +7.00% 323
South East +6 342 £425 +11.84% 310
South West +13 236 £410 +9.33% 190
East of England -23 167 £450 +11.80% 221
North of England +18 155 £375 -16.67% 254
North West -15 71 £375 -16.67% 155
Midlands -57 70 £400 +14.14% 234
Wales +11 57 £400 -1.23% 30
Yorkshire -12 45 £400 -4.76% 74
West Midlands -44 41 £438 +34.62% 184
North East +18 39 £364 -14.41% 25
Scotland -36 30 £400 +23.08% 36
East Midlands -11 29 £365 -8.86% 50
Northern Ireland +27 11 £380 -7.88% 25
Channel Islands - 5 - -

For the 6 months to 25 September 2018, IT contractor jobs citing C also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for C.

1 634 (37.18%) C++
2 432 (25.34%) Linux
3 425 (24.93%) Python
4 411 (24.11%) Software Engineering
5 379 (22.23%) Java
6 359 (21.06%) Security Cleared
7 345 (20.23%) Agile Software Development
8 286 (16.77%) Finance
9 256 (15.01%) SQL
10 240 (14.08%) Windows
11 233 (13.67%) SC Cleared
12 224 (13.14%) C#
13 198 (11.61%) Degree
14 183 (10.73%) Embedded C
14 183 (10.73%) Git (software)
15 174 (10.21%) JavaScript
16 170 (9.97%) Test Automation
17 168 (9.85%) Microsoft
18 151 (8.86%) Problem-Solving
19 146 (8.56%) Unix
20 138 (8.09%) Analytical Skills
21 136 (7.98%) DevOps
21 136 (7.98%) Project Management
22 135 (7.92%) Amazon AWS
23 124 (7.27%) Oracle
24 123 (7.21%) Microsoft Azure
25 122 (7.16%) Configuration Management
26 117 (6.86%) .NET
27 116 (6.80%) Perl
28 114 (6.69%) Computer Science

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 49 (2.87%) SharePoint
2 36 (2.11%) Confluence
3 31 (1.82%) Apache
4 30 (1.76%) CMS
5 25 (1.47%) MS Exchange
6 23 (1.35%) Apache Spark
6 23 (1.35%) WebSphere
7 18 (1.06%) JBoss
8 15 (0.88%) Elasticsearch
8 15 (0.88%) Skype for Business
9 13 (0.76%) OpenStack
10 11 (0.65%) Ethereum
10 11 (0.65%) IIS
11 9 (0.53%) Hyperledger
12 8 (0.47%) SAS
13 7 (0.41%) Amazon Alexa
13 7 (0.41%) Oracle SOA Suite
13 7 (0.41%) WebLogic
14 6 (0.35%) Apache Solr
14 6 (0.35%) IBM Notes
Applications
1 69 (4.05%) Microsoft Office
2 54 (3.17%) Microsoft Excel
3 33 (1.94%) Simulink
4 17 (1.00%) Microsoft Project
5 16 (0.94%) Microsoft PowerPoint
6 15 (0.88%) MS Visio
7 7 (0.41%) SPSS
8 6 (0.35%) Adobe Creative Suite
9 5 (0.29%) Stateflow
10 3 (0.18%) Maya
11 2 (0.12%) AutoCAD
11 2 (0.12%) Spreadsheet
12 1 (0.059%) EPLAN
12 1 (0.059%) EViews
12 1 (0.059%) GNU Octave
12 1 (0.059%) Photoshop
12 1 (0.059%) Shockwave
Business Applications
1 21 (1.23%) Dynamics NAV
2 9 (0.53%) Oracle BPM
3 7 (0.41%) Dynamics CRM
4 6 (0.35%) ION MarketView
4 6 (0.35%) Primavera
5 3 (0.18%) Distributed Ledger
5 3 (0.18%) LabWindows
5 3 (0.18%) Sage 200
5 3 (0.18%) Sage CRM
5 3 (0.18%) SAP ERP
6 2 (0.12%) AquaLogic BPM
6 2 (0.12%) Cerner Millennium
6 2 (0.12%) Lorenzo
6 2 (0.12%) Magento
6 2 (0.12%) Markit EDM
6 2 (0.12%) Oracle EBS
6 2 (0.12%) Remedy ITSM
7 1 (0.059%) Adobe Campaign
7 1 (0.059%) Oracle Retail
7 1 (0.059%) Sage 300 ERP
Cloud Services
1 135 (7.92%) Amazon AWS
2 123 (7.21%) Microsoft Azure
3 51 (2.99%) Office 365
4 34 (1.99%) Cloud Computing
5 32 (1.88%) Datadog
6 29 (1.70%) Google Cloud Platform
7 28 (1.64%) PaaS
8 24 (1.41%) SaaS
9 23 (1.35%) GitHub
10 21 (1.23%) NuGet
11 16 (0.94%) IaaS
12 9 (0.53%) Amazon EC2
12 9 (0.53%) Amazon EMR
13 8 (0.47%) Amazon S3
13 8 (0.47%) Dynamics 365
14 6 (0.35%) Serverless
15 4 (0.23%) Amazon CloudWatch
15 4 (0.23%) Force.com
15 4 (0.23%) Salesforce Sales Cloud
15 4 (0.23%) Yammer
Communications & Networking
1 67 (3.93%) TCP/IP
2 66 (3.87%) DNS
3 65 (3.81%) Firewall
4 52 (3.05%) Wireless
5 48 (2.82%) Internet
6 43 (2.52%) DHCP
7 41 (2.40%) VoIP
8 38 (2.23%) Wi-Fi
9 36 (2.11%) HTTP
10 34 (1.99%) Network Security
11 33 (1.94%) WAN
12 28 (1.64%) Wireshark
13 27 (1.58%) Bluetooth
13 27 (1.58%) LAN
14 25 (1.47%) Ethernet
15 22 (1.29%) BIG-IP
15 22 (1.29%) SAN
16 21 (1.23%) VPN
17 19 (1.11%) SSL
18 17 (1.00%) IPsec
Database & Business Intelligence
1 94 (5.51%) SQL Server
2 55 (3.23%) MySQL
3 50 (2.93%) Relational Database
4 46 (2.70%) PostgreSQL
5 39 (2.29%) Big Data
5 39 (2.29%) Hadoop
6 38 (2.23%) Oracle Database
7 33 (1.94%) Amazon Redshift
7 33 (1.94%) Blockchain
8 32 (1.88%) NoSQL
9 28 (1.64%) HBase
10 26 (1.52%) Data Warehouse
11 24 (1.41%) Apache Cassandra
12 21 (1.23%) MongoDB
13 20 (1.17%) RDBMS
14 15 (0.88%) Cosmos DB
14 15 (0.88%) MariaDB
15 14 (0.82%) Apache Hive
16 13 (0.76%) Azure SQL Database
16 13 (0.76%) Power BI
Development Applications
1 183 (10.73%) Git (software)
2 111 (6.51%) Jenkins
3 100 (5.87%) JIRA
4 64 (3.75%) Subversion
5 62 (3.64%) TeamCity
6 56 (3.28%) Rational DOORS
7 54 (3.17%) Selenium
8 53 (3.11%) Visual Studio
9 38 (2.23%) GDB
9 38 (2.23%) JUnit
10 31 (1.82%) Rational Rhapsody
11 29 (1.70%) Rational Team Concert
12 27 (1.58%) ProC
13 25 (1.47%) MSBuild
14 23 (1.35%) Eclipse
14 23 (1.35%) GCC
15 22 (1.29%) PVCS
16 21 (1.23%) Gradle
17 20 (1.17%) JMeter
18 17 (1.00%) LoadRunner
General
1 286 (16.77%) Finance
2 101 (5.92%) Banking
3 72 (4.22%) Electronics
4 57 (3.34%) Telecoms
5 38 (2.23%) Front Office
6 34 (1.99%) Automotive
6 34 (1.99%) Law
7 30 (1.76%) Aerospace
8 29 (1.70%) Retail
9 26 (1.52%) Games
9 26 (1.52%) Manufacturing
10 22 (1.29%) Legal
11 21 (1.23%) Marketing
12 20 (1.17%) Military
13 16 (0.94%) Investment Banking
14 14 (0.82%) Mandarin Language
15 12 (0.70%) Avionics
16 11 (0.65%) Back Office
17 9 (0.53%) Financial Institution
18 6 (0.35%) Publishing
Job Titles
1 457 (26.80%) Developer
2 278 (16.30%) Software Engineer
3 136 (7.98%) Embedded Engineer
4 129 (7.57%) Analyst
5 120 (7.04%) Embedded Software Engineer
6 88 (5.16%) Architect
7 79 (4.63%) C++ Developer
8 70 (4.11%) Java Developer
9 62 (3.64%) C++ Software Engineer
10 58 (3.40%) Project Manager
11 55 (3.23%) DevOps Engineer
12 54 (3.17%) C Developer
13 52 (3.05%) Consultant
14 47 (2.76%) C Software Engineer
15 43 (2.52%) Senior Software Engineer
16 42 (2.46%) Test Engineer
17 40 (2.35%) Python Developer
18 39 (2.29%) Software Developer
19 38 (2.23%) Embedded C Engineer
20 37 (2.17%) .NET Developer
Libraries, Frameworks & Software Standards
1 117 (6.86%) .NET
2 105 (6.16%) XML
3 86 (5.04%) Web Services
4 80 (4.69%) HTML
5 69 (4.05%) AngularJS
6 68 (3.99%) REST
7 62 (3.64%) CSS
8 42 (2.46%) JSON
9 41 (2.40%) J2EE
10 40 (2.35%) React
11 39 (2.29%) SOAP
12 37 (2.17%) HTML5
13 36 (2.11%) Node.js
14 33 (1.94%) Middleware
15 32 (1.88%) CSS3
16 30 (1.76%) Elastic Stack
16 30 (1.76%) STL
17 28 (1.64%) RESTful
18 27 (1.58%) OpenGL
19 25 (1.47%) CGI
Miscellaneous
1 138 (8.09%) Analytical Skills
2 114 (6.69%) Computer Science
3 77 (4.52%) Self-Motivation
4 76 (4.46%) Data Centre
5 57 (3.34%) Algorithms
6 54 (3.17%) Embedded Systems
7 53 (3.11%) Greenfield Project
8 41 (2.40%) Management Information System
9 40 (2.35%) Field-Programmable Gate Array
10 38 (2.23%) Fixed Income
11 32 (1.88%) Fintech
12 30 (1.76%) User Experience
13 21 (1.23%) Device Driver
14 17 (1.00%) Data Structures
14 17 (1.00%) Equities
14 17 (1.00%) Linux Command Line
14 17 (1.00%) Mobile App
14 17 (1.00%) PKI
15 16 (0.94%) Foreign Exchange (FX)
15 16 (0.94%) Private Cloud
Operating Systems
1 432 (25.34%) Linux
2 240 (14.08%) Windows
3 146 (8.56%) Unix
4 82 (4.81%) Android
5 47 (2.76%) Windows Server
6 35 (2.05%) Apple iOS
7 34 (1.99%) Red Hat Enterprise Linux
8 32 (1.88%) Solaris
9 28 (1.64%) Windows Server 2008
10 27 (1.58%) Embedded Linux
11 25 (1.47%) OpenVMS
12 20 (1.17%) Windows 7
13 19 (1.11%) Windows Server 2012
14 16 (0.94%) AIX
14 16 (0.94%) SUSE
14 16 (0.94%) SUSE Linux Enterprise Server
14 16 (0.94%) VMS
15 15 (0.88%) Windows 10
16 13 (0.76%) CentOS
17 9 (0.53%) VxWorks
Processes & Methodologies
1 411 (24.11%) Software Engineering
2 345 (20.23%) Agile Software Development
3 170 (9.97%) Test Automation
4 151 (8.86%) Problem-Solving
5 136 (7.98%) DevOps
5 136 (7.98%) Project Management
6 122 (7.16%) Configuration Management
7 113 (6.63%) SDLC
8 110 (6.45%) Scrum
9 107 (6.28%) Migration
10 104 (6.10%) Unit Testing
11 99 (5.81%) Continuous Integration
12 92 (5.40%) TDD
13 90 (5.28%) UML
14 84 (4.93%) Open Source
15 82 (4.81%) Stakeholder Management
16 80 (4.69%) ITIL
17 79 (4.63%) OO
18 72 (4.22%) Mathematics
19 71 (4.16%) Analytics
Programming Languages
1 634 (37.18%) C++
2 425 (24.93%) Python
3 379 (22.23%) Java
4 256 (15.01%) SQL
5 224 (13.14%) C#
6 183 (10.73%) Embedded C
7 174 (10.21%) JavaScript
8 116 (6.80%) Perl
9 108 (6.33%) Ruby
10 89 (5.22%) Bash Shell
11 76 (4.46%) PowerShell
12 66 (3.87%) MATLAB
13 63 (3.70%) Go
14 60 (3.52%) Embedded C++
15 53 (3.11%) Shell Script
16 49 (2.87%) PL/SQL
17 48 (2.82%) PHP
18 31 (1.82%) Ada
19 28 (1.64%) Scala
20 22 (1.29%) R
Qualifications
1 359 (21.06%) Security Cleared
2 233 (13.67%) SC Cleared
3 198 (11.61%) Degree
4 107 (6.28%) DV Cleared
5 38 (2.23%) Computer Science Degree
6 36 (2.11%) Cisco Certification
7 23 (1.35%) CCNP
8 22 (1.29%) CCNA
8 22 (1.29%) ISTQB
9 19 (1.11%) Microsoft Certification
10 13 (0.76%) ISEB
11 12 (0.70%) CISSP
12 11 (0.65%) Master's Degree
13 10 (0.59%) BPSS Clearance
13 10 (0.59%) ITIL Certification
13 10 (0.59%) MCSE
13 10 (0.59%) PhD
14 9 (0.53%) PMP
14 9 (0.53%) PRINCE2 Practitioner
15 8 (0.47%) PMI Certification
Quality Assurance & Compliance
1 52 (3.05%) MISRA
2 51 (2.99%) QA
3 31 (1.82%) PMO
4 28 (1.64%) MISRA C
5 22 (1.29%) SLA
6 15 (0.88%) DO-178B
7 14 (0.82%) GDPR
8 13 (0.76%) Def Stans
9 10 (0.59%) HMG Security Policy Framework
10 9 (0.53%) JSP 440
11 8 (0.47%) HMG Infosec
12 7 (0.41%) IEC 61508
13 6 (0.35%) ISO/IEC 27001
14 5 (0.29%) Data Quality
14 5 (0.29%) ISO 13485
14 5 (0.29%) ISO 20022
14 5 (0.29%) ISO 9001
14 5 (0.29%) MiFID
15 4 (0.23%) IEC 62304
16 3 (0.18%) ISO 26262
System Software
1 78 (4.57%) Docker
2 61 (3.58%) Active Directory
3 57 (3.34%) VMware Infrastructure
4 34 (1.99%) Firmware
5 21 (1.23%) Hyper-V
6 19 (1.11%) VMware ESXi
7 16 (0.94%) vSphere
8 13 (0.76%) Apache Flume
9 12 (0.70%) NFS
10 8 (0.47%) Virtual Machines
11 6 (0.35%) XenDesktop
12 4 (0.23%) Xen
13 3 (0.18%) Microsoft App-V
13 3 (0.18%) Oracle RAC
14 2 (0.12%) ACF2
14 2 (0.12%) KVM
14 2 (0.12%) RACF
14 2 (0.12%) Virtual Desktop
14 2 (0.12%) XenApp
15 1 (0.059%) Virtual Servers
Systems Management
1 87 (5.10%) Ansible
2 71 (4.16%) Puppet
3 58 (3.40%) Opscode Chef
4 53 (3.11%) Terraform
5 51 (2.99%) Kubernetes
6 35 (2.05%) Nagios
7 27 (1.58%) Packer
8 18 (1.06%) SCCM
9 17 (1.00%) CFEngine
10 13 (0.76%) Salt
11 11 (0.65%) SELinux
12 10 (0.59%) SCOM
13 9 (0.53%) Perfmon
13 9 (0.53%) vCenter Server
14 8 (0.47%) HP Quality Center
14 8 (0.47%) McAfee ePO
14 8 (0.47%) WSUS
15 7 (0.41%) Cisco CUCM
16 6 (0.35%) HP ALM
16 6 (0.35%) Single Sign-On
Vendors
1 168 (9.85%) Microsoft
2 124 (7.27%) Oracle
3 72 (4.22%) VMware
4 58 (3.40%) Cisco
5 54 (3.17%) Splunk
6 45 (2.64%) Red Hat
7 41 (2.40%) Google
8 36 (2.11%) IBM
9 33 (1.94%) New Relic
10 27 (1.58%) EMC
10 27 (1.58%) HP
11 22 (1.29%) F5
12 20 (1.17%) SAP
12 20 (1.17%) Sybase
13 16 (0.94%) Juniper
14 15 (0.88%) Citrix
14 15 (0.88%) NetApp
15 14 (0.82%) McAfee
16 11 (0.65%) Hitachi
16 11 (0.65%) Informatica