Period
to 26 October 2020

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 October 2020 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 Oct 2020
Same period 2019 Same period 2018
Rank 93 123 164
Rank change year-on-year +30 +41 +7
Contract jobs citing C 794 1,728 1,773
As % of all contract jobs advertised in the UK 2.47% 2.05% 1.71%
As % of the Programming Languages category 5.85% 4.88% 3.84%
Number of daily rates quoted 469 930 978
Median daily rate £500 £455 £475
Median daily rate % change year-on-year +9.89% -4.21% +9.20%
10th Percentile £298 £325 £313
90th Percentile £688 £660 £650
UK excluding London median daily rate £438 £450 £415
% change year-on-year -2.78% +8.43% +3.75%
Number of hourly rates quoted 127 243 222
Median hourly rate £40.00 £46.00 £42.50
Median hourly rate % change year-on-year -13.04% +8.24% -
10th Percentile £11.17 £36.25 £22.50
90th Percentile £53.00 £53.75 £50.25
UK excluding London median hourly rate £42.50 £45.75 £42.50
% change year-on-year -7.10% +7.65% -

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 13,579 35,394 46,124
As % of all contract IT jobs advertised in the UK 42.21% 41.98% 44.57%
Number of daily rates quoted 8,929 24,526 32,439
Median daily rate £475 £475 £475
10th Percentile £309 £320 £315
90th Percentile £675 £650 £638
UK excluding London median daily rate £425 £425 £420
% change year-on-year - +1.19% +5.00%
Number of hourly rates quoted 366 687 707
Median hourly rate £35.00 £44.00 £41.85
Median hourly rate % change year-on-year -20.45% +5.15% +4.61%
10th Percentile £13.00 £19.25 £16.25
90th Percentile £54.84 £55.00 £52.50
Median hourly rate £35.00 £43.50 £42.00
% change year-on-year -19.54% +3.57% +3.70%

C
Job Vacancy Trend

Job postings citing C as a proportion of all IT jobs advertised.

Job vacancy trend for C in the UK

C
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing C.

Daily rate trend for C in the UK

C
Daily Rate Histogram

Daily rate distribution for jobs citing C over the 6 months to 26 October 2020.

Daily rate histogram for C in the UK

C
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing C.

Hourly rate trend for C in the UK

C
Hourly Rate Histogram

Hourly rate distribution of jobs citing C over the 6 months to 26 October 2020.

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 26 October 2020. 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 +15 687 £498 +6.99% 587
UK excluding London +1 423 £438 -2.78% 473
London +87 277 £525 - 157
South East +25 133 £425 - 129
Work from Home +1 122 £500 +20.48% 85
East of England +26 96 £400 -11.11% 71
South West -17 71 £450 - 72
North of England +55 60 £400 -3.61% 86
North West +69 38 £450 +5.88% 39
Midlands +26 33 £404 -2.71% 71
West Midlands +4 23 £408 -1.81% 58
Yorkshire +44 18 £313 -20.89% 35
Wales +40 16 £475 +31.03% 6
Scotland +69 14 £504 +15.20% 34
East Midlands +36 10 £400 -5.88% 13
North East +12 4 £325 -28.57% 12
Northern Ireland +12 4 £375 -13.39% 5

For the 6 months to 26 October 2020, 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.

1 212 (26.70%) C++
2 209 (26.32%) Agile Software Development
3 193 (24.31%) Security Cleared
4 181 (22.80%) Linux
5 176 (22.17%) Python
6 162 (20.40%) Software Engineering
7 153 (19.27%) SC Cleared
8 147 (18.51%) Finance
9 119 (14.99%) Java
10 107 (13.48%) Windows
11 104 (13.10%) Oracle
12 86 (10.83%) Problem-Solving
13 84 (10.58%) Unix
14 75 (9.45%) SQL
15 72 (9.07%) Azure
16 69 (8.69%) Microsoft
16 69 (8.69%) Shell Script
17 67 (8.44%) Git (software)
18 66 (8.31%) Migration
19 63 (7.93%) Wi-Fi
19 63 (7.93%) DevOps
20 62 (7.81%) Scrum
21 59 (7.43%) Analytical Skills
22 57 (7.18%) Public Sector
22 57 (7.18%) TCP/IP
22 57 (7.18%) DV Cleared
23 56 (7.05%) JIRA
23 56 (7.05%) Mathematics
24 55 (6.93%) Telecoms
25 54 (6.80%) DNS

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 30 (3.78%) Confluence
2 24 (3.02%) Oracle SOA Suite
3 23 (2.90%) CMS
4 20 (2.52%) WebLogic
5 11 (1.39%) ArcGIS
6 10 (1.26%) IIS
7 9 (1.13%) Apache
7 9 (1.13%) SharePoint
8 8 (1.01%) Tomcat
9 4 (0.50%) Jadu
10 3 (0.38%) Apache Airflow
10 3 (0.38%) JBoss
11 2 (0.25%) Apache Spark
11 2 (0.25%) Exchange Server 2010
11 2 (0.25%) Exchange Server 2013
11 2 (0.25%) LiveLink
11 2 (0.25%) MS Exchange
11 2 (0.25%) nginx
11 2 (0.25%) SAS
12 1 (0.13%) Red Hat Fuse
Applications
1 33 (4.16%) Microsoft Office
2 17 (2.14%) Simulink
3 13 (1.64%) Microsoft Excel
4 11 (1.39%) Microsoft PowerPoint
4 11 (1.39%) MS Visio
4 11 (1.39%) Photoshop
5 6 (0.76%) Microsoft Project
6 3 (0.38%) Spreadsheet
7 2 (0.25%) Doxygen
8 1 (0.13%) Adobe After Effects
8 1 (0.13%) Adobe Premiere
8 1 (0.13%) AutoCAD
8 1 (0.13%) CINEMA 4D
8 1 (0.13%) CPLEX
8 1 (0.13%) PTC Creo
8 1 (0.13%) Siemens NX
8 1 (0.13%) SPSS
Business Applications
1 8 (1.01%) ION MarketView
2 5 (0.63%) SAP S/4HANA
3 3 (0.38%) Dynamics CRM
3 3 (0.38%) Oracle ERP
4 2 (0.25%) Dynamics NAV
4 2 (0.25%) SAP CRM
4 2 (0.25%) SAP Hybris
5 1 (0.13%) Dynamics AX
5 1 (0.13%) Dynamics GP
5 1 (0.13%) Oracle Applications
5 1 (0.13%) Oracle Retail
5 1 (0.13%) Remedy ITSM
5 1 (0.13%) Salesforce.com CRM
5 1 (0.13%) SAP MDG
5 1 (0.13%) SAP MDG-M
5 1 (0.13%) SAP MDM
5 1 (0.13%) SAP PM
5 1 (0.13%) SAP SD
5 1 (0.13%) Sparx Enterprise Architect
5 1 (0.13%) Teamcenter
Cloud Services
1 72 (9.07%) Azure
2 49 (6.17%) AWS
3 35 (4.41%) SaaS
4 34 (4.28%) PaaS
5 31 (3.90%) GCP
6 15 (1.89%) Office 365
7 11 (1.39%) IaaS
8 10 (1.26%) Kong
9 9 (1.13%) Cloud Computing
9 9 (1.13%) Power Platform
10 7 (0.88%) AWS CloudFormation
10 7 (0.88%) GitHub
11 5 (0.63%) Dynamics 365
12 3 (0.38%) Apigee
13 2 (0.25%) Amazon EKS
13 2 (0.25%) Azure Active Directory
13 2 (0.25%) Azure Data Factory
13 2 (0.25%) Azure ExpressRoute
14 1 (0.13%) Amazon ECS
14 1 (0.13%) Google Sheets
Communications & Networking
1 63 (7.93%) Wi-Fi
2 57 (7.18%) TCP/IP
3 54 (6.80%) DNS
4 39 (4.91%) DHCP
5 38 (4.79%) Wireless
6 36 (4.53%) Firewall
7 35 (4.41%) DMZ
8 34 (4.28%) Bluetooth
9 32 (4.03%) VPN
10 29 (3.65%) LAN
11 28 (3.53%) WAN
12 26 (3.27%) Internet
13 25 (3.15%) IPv6
14 24 (3.02%) ZigBee
15 23 (2.90%) HTTP
16 22 (2.77%) 5G
16 22 (2.77%) IPv4
16 22 (2.77%) Network Security
17 16 (2.02%) 2G
17 16 (2.02%) GSM
Database & Business Intelligence
1 30 (3.78%) SQL Server
2 19 (2.39%) Oracle ODI
3 12 (1.51%) MySQL
4 11 (1.39%) Data Warehouse
5 9 (1.13%) GIS
5 9 (1.13%) PostgreSQL
6 7 (0.88%) Data Lake
6 7 (0.88%) NoSQL
7 6 (0.76%) Power BI
7 6 (0.76%) Relational Database
8 5 (0.63%) Big Data
8 5 (0.63%) SAP HANA
9 4 (0.50%) DataStage
9 4 (0.50%) DB2
9 4 (0.50%) IBM InfoSphere
9 4 (0.50%) Oracle Database
9 4 (0.50%) SQL Server 2008
9 4 (0.50%) SQL Server Integration Services
10 3 (0.38%) DB2 UDB
10 3 (0.38%) Oracle Reports
Development Applications
1 67 (8.44%) Git (software)
2 56 (7.05%) JIRA
3 29 (3.65%) Jenkins
4 21 (2.64%) CA Gen
5 16 (2.02%) Rational Rhapsody
6 13 (1.64%) Selenium
7 12 (1.51%) Visual Studio
8 9 (1.13%) GDB
8 9 (1.13%) PVCS
8 9 (1.13%) Subversion
9 7 (0.88%) Atlassian Bamboo
9 7 (0.88%) Grunt
9 7 (0.88%) gulp
10 6 (0.76%) Bitbucket
11 5 (0.63%) git-flow
11 5 (0.63%) JUnit
11 5 (0.63%) TeamCity
11 5 (0.63%) webpack
12 4 (0.50%) Ant
12 4 (0.50%) Eclipse
General
1 147 (18.51%) Finance
2 57 (7.18%) Public Sector
3 55 (6.93%) Telecoms
4 49 (6.17%) Electronics
5 25 (3.15%) Law
6 21 (2.64%) Banking
7 18 (2.27%) Marketing
8 16 (2.02%) Manufacturing
9 14 (1.76%) Aerospace
10 11 (1.39%) Investment Banking
11 10 (1.26%) Front Office
12 8 (1.01%) Games
13 7 (0.88%) Military
13 7 (0.88%) Retail
14 5 (0.63%) Automotive
14 5 (0.63%) Legal
15 4 (0.50%) Pharmaceutical
15 4 (0.50%) Spanish Language
16 3 (0.38%) Multimedia
16 3 (0.38%) Portuguese Language
Job Titles
1 167 (21.03%) Developer
2 126 (15.87%) Software Engineer
3 77 (9.70%) Embedded Engineer
4 71 (8.94%) Embedded Software Engineer
5 46 (5.79%) Architect
6 41 (5.16%) Analyst
7 36 (4.53%) Project Manager
8 31 (3.90%) Consultant
9 28 (3.53%) C Software Engineer
10 26 (3.27%) C++ Software Engineer
10 26 (3.27%) Test Engineer
11 24 (3.02%) Software Developer
12 21 (2.64%) C/C++ Software Engineer
13 20 (2.52%) Linux Engineer
14 17 (2.14%) Embedded C Engineer
14 17 (2.14%) Support Engineer
15 16 (2.02%) C++ Developer
15 16 (2.02%) Senior Developer
16 15 (1.89%) Embedded C Software Engineer
16 15 (1.89%) Security Engineer
Libraries, Frameworks & Software Standards
1 48 (6.05%) Web Services
2 40 (5.04%) HTML
3 35 (4.41%) Yocto
4 34 (4.28%) REST
4 34 (4.28%) XML
5 30 (3.78%) SAML
6 28 (3.53%) CSS
7 25 (3.15%) Oracle Fusion
8 23 (2.90%) POSIX
9 21 (2.64%) .NET
10 17 (2.14%) Node.js
11 16 (2.02%) JSON
12 14 (1.76%) HTML5
13 12 (1.51%) Middleware
14 10 (1.26%) JNI
14 10 (1.26%) STL
15 9 (1.13%) Qt
15 9 (1.13%) SOAP
16 7 (0.88%) CSS3
16 7 (0.88%) XSLT
Miscellaneous
1 59 (7.43%) Analytical Skills
2 48 (6.05%) Device Driver
3 34 (4.28%) Greenfield Project
4 26 (3.27%) Fixed Income
5 24 (3.02%) Management Information System
6 23 (2.90%) Hedge funds
7 21 (2.64%) Credit Derivative
7 21 (2.64%) Derivative
8 20 (2.52%) Home Automation
9 19 (2.39%) Self-Motivation
10 17 (2.14%) Algorithms
11 16 (2.02%) Embedded Systems
11 16 (2.02%) PMI
12 15 (1.89%) STB
12 15 (1.89%) User Experience
13 13 (1.64%) Virtual Team
14 12 (1.51%) Data Centre
15 11 (1.39%) Equities
16 9 (1.13%) Field-Programmable Gate Array
17 8 (1.01%) Media Streaming
Operating Systems
1 181 (22.80%) Linux
2 107 (13.48%) Windows
3 84 (10.58%) Unix
4 34 (4.28%) Windows Server
5 31 (3.90%) Windows 10
6 25 (3.15%) Android
7 21 (2.64%) AIX
8 19 (2.39%) Embedded Linux
8 19 (2.39%) Windows 7
9 17 (2.14%) Windows Server 2008
9 17 (2.14%) Windows Server 2012
10 16 (2.02%) Windows Server 2016
11 14 (1.76%) Red Hat Enterprise Linux
12 13 (1.64%) Windows Server 2019
13 12 (1.51%) Mac OS
14 10 (1.26%) Solaris
15 9 (1.13%) OpenVMS
16 8 (1.01%) Apple iOS
17 7 (0.88%) Mac OS X
18 4 (0.50%) OpenWrt
Processes & Methodologies
1 209 (26.32%) Agile Software Development
2 162 (20.40%) Software Engineering
3 86 (10.83%) Problem-Solving
4 66 (8.31%) Migration
5 63 (7.93%) DevOps
6 62 (7.81%) Scrum
7 56 (7.05%) Mathematics
8 51 (6.42%) Project Delivery
9 49 (6.17%) Stakeholder Management
10 40 (5.04%) UML
11 37 (4.66%) ITIL
12 36 (4.53%) Project Management
13 35 (4.41%) Continuous Integration
14 34 (4.28%) Open Source
14 34 (4.28%) Test Automation
15 31 (3.90%) Configuration Management
15 31 (3.90%) User Stories
16 30 (3.78%) Decision-Making
16 30 (3.78%) Mentoring
16 30 (3.78%) Unit Testing
Programming Languages
1 212 (26.70%) C++
2 176 (22.17%) Python
3 119 (14.99%) Java
4 75 (9.45%) SQL
5 69 (8.69%) Shell Script
6 50 (6.30%) JavaScript
7 46 (5.79%) C#
8 45 (5.67%) Embedded C
9 37 (4.66%) PowerShell
10 35 (4.41%) Bash Shell
10 35 (4.41%) Embedded C++
11 34 (4.28%) Perl
12 32 (4.03%) PL/SQL
13 26 (3.27%) MATLAB
14 25 (3.15%) R
15 24 (3.02%) Korn
16 22 (2.77%) Ada
17 18 (2.27%) VB
18 16 (2.02%) PHP
19 13 (1.64%) Ruby
Qualifications
1 193 (24.31%) Security Cleared
2 153 (19.27%) SC Cleared
3 57 (7.18%) DV Cleared
4 49 (6.17%) Degree
5 18 (2.27%) Cisco Certification
5 18 (2.27%) PMI Certification
6 15 (1.89%) Microsoft Certification
7 10 (1.26%) BPSS Clearance
8 9 (1.13%) PhD
9 8 (1.01%) HNC
10 7 (0.88%) CISSP
10 7 (0.88%) DBS Check
10 7 (0.88%) Master's Degree
11 5 (0.63%) CESG Certified Professional
11 5 (0.63%) CISM
11 5 (0.63%) Computer Science Degree
12 4 (0.50%) CCIE
12 4 (0.50%) PMP
13 3 (0.38%) CCNA
13 3 (0.38%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 35 (4.41%) QA
2 15 (1.89%) SLA
3 14 (1.76%) PMBOK
4 13 (1.64%) ISO/IEC 27001
5 12 (1.51%) NIST
6 7 (0.88%) Data Quality
6 7 (0.88%) WCAG
7 6 (0.76%) NCSC
8 4 (0.50%) Disclosure Scotland
8 4 (0.50%) GDPR
8 4 (0.50%) HMG Security Policy Framework
8 4 (0.50%) MISRA
8 4 (0.50%) PMO
9 3 (0.38%) DO-178B
9 3 (0.38%) JTAG
10 2 (0.25%) IEC 62304
10 2 (0.25%) ISO 26262
10 2 (0.25%) ISO 8583
10 2 (0.25%) Sarbanes-Oxley
11 1 (0.13%) NIST 800
System Software
1 42 (5.29%) Active Directory
2 40 (5.04%) VMware Infrastructure
3 26 (3.27%) Firmware
4 24 (3.02%) Virtual Machines
5 20 (2.52%) Docker
6 13 (1.64%) VMware NSX
7 8 (1.01%) NFS
8 7 (0.88%) VMware ESXi
9 6 (0.76%) vSphere
10 4 (0.50%) VirtualBox
10 4 (0.50%) XenApp
11 3 (0.38%) RACF
11 3 (0.38%) Veritas Cluster Server
11 3 (0.38%) VMware Workstation
12 2 (0.25%) Hyper-V
12 2 (0.25%) Microsoft App-V
12 2 (0.25%) Virtual Servers
13 1 (0.13%) UAG
13 1 (0.13%) vCloud
13 1 (0.13%) Virtual Desktop
Systems Management
1 28 (3.53%) Single Sign-On
2 26 (3.27%) Ansible
3 22 (2.77%) Kubernetes
4 19 (2.39%) Puppet
5 16 (2.02%) Opscode Chef
6 12 (1.51%) Salt
7 11 (1.39%) HP ALM
7 11 (1.39%) Terraform
8 10 (1.26%) HP Fortify
9 8 (1.01%) Prometheus
10 7 (0.88%) vCenter Server
11 5 (0.63%) SCCM
12 4 (0.50%) Cisco CUCM
13 3 (0.38%) HP Quality Center
13 3 (0.38%) MaaS360
13 3 (0.38%) Pacemaker
13 3 (0.38%) vRealize Orchestrator
13 3 (0.38%) WSUS
14 2 (0.25%) Data Guard
14 2 (0.25%) Packer
Vendors
1 104 (13.10%) Oracle
2 69 (8.69%) Microsoft
3 43 (5.42%) VMware
4 39 (4.91%) IBM
5 33 (4.16%) Google
6 27 (3.40%) Cisco
7 24 (3.02%) SAP
8 22 (2.77%) CA
9 15 (1.89%) Citrix
9 15 (1.89%) HP
10 14 (1.76%) Splunk
11 13 (1.64%) Qualys
11 13 (1.64%) ServiceNow
12 11 (1.39%) ArcSight
12 11 (1.39%) ESRI
12 11 (1.39%) Lumension
12 11 (1.39%) Micro Focus
12 11 (1.39%) Red Hat
12 11 (1.39%) Sonatype
12 11 (1.39%) Sophos