Period
to 3 June 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 3 June 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
3 Jun 2020
Same period 2019 Same period 2018
Rank 127 154 168
Rank change year-on-year +27 +14 -25
Contract jobs citing C 879 1,614 1,630
As % of all contract jobs advertised in the UK 1.94% 1.80% 1.61%
As % of the Programming Languages category 4.75% 4.20% 3.74%
Number of daily rates quoted 524 806 894
Median daily rate £475 £450 £475
Median daily rate % change year-on-year +5.56% -5.26% +5.91%
10th Percentile £325 £313 £313
90th Percentile £603 £663 £650
UK excluding London median daily rate £450 £425 £408
% change year-on-year +5.88% +4.23% -2.04%
Number of hourly rates quoted 83 226 219
Median hourly rate £45.00 £45.00 £42.50
Median hourly rate % change year-on-year - +5.88% -
10th Percentile £19.30 £36.25 £20.20
90th Percentile £57.00 £52.50 £50.00
UK excluding London median hourly rate £46.00 £45.00 £42.50
% change year-on-year +2.22% +5.88% -

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 18,490 38,470 43,606
As % of all contract IT jobs advertised in the UK 40.91% 42.79% 43.14%
Number of daily rates quoted 12,431 26,615 30,414
Median daily rate £488 £475 £463
Median daily rate % change year-on-year +2.63% +2.70% +7.56%
10th Percentile £325 £325 £313
90th Percentile £670 £650 £638
UK excluding London median daily rate £450 £425 £403
% change year-on-year +5.88% +5.59% +3.87%
Number of hourly rates quoted 404 687 785
Median hourly rate £35.00 £42.50 £40.00
Median hourly rate % change year-on-year -17.65% +6.25% -3.61%
10th Percentile £18.25 £18.00 £17.00
90th Percentile £56.43 £55.00 £52.50
Median hourly rate £35.00 £43.50 £40.00
% change year-on-year -19.54% +8.75% -2.74%

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 3 June 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 3 June 2020.

Hourly rate histogram for C in the UK

C
Top 18 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 3 June 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 +26 797 £475 +5.56% 459
UK excluding London -5 572 £450 +5.88% 386
London +73 264 £515 +0.73% 98
South West +4 163 £500 +11.11% 48
South East +15 144 £450 +5.88% 109
East of England 0 97 £450 +9.42% 84
Midlands +36 64 £500 +25.00% 49
North of England +26 57 £360 -10.00% 71
West Midlands +28 48 £500 +17.65% 26
North West +67 41 £385 -3.75% 44
Work from Home +4 33 £450 +5.88% 35
Scotland +22 22 £513 +17.14% 18
Wales +11 17 £388 -8.82% 4
East Midlands +28 15 £450 +41.51% 22
North East +25 8 £339 +7.54% 5
Yorkshire +1 8 £344 -19.12% 22
Northern Ireland +18 7 £400 +14.29% 3
Isle of Man - 1 - -

For the 6 months to 3 June 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.

1 324 (36.86%) Agile Software Development
2 250 (28.44%) Linux
3 241 (27.42%) C++
4 193 (21.96%) Python
5 180 (20.48%) Software Engineering
6 171 (19.45%) Security Cleared
7 150 (17.06%) Finance
8 137 (15.59%) Problem-Solving
9 124 (14.11%) Java
10 110 (12.51%) SC Cleared
10 110 (12.51%) Analytical Skills
11 106 (12.06%) Degree
12 99 (11.26%) Microsoft
13 97 (11.04%) Windows
13 97 (11.04%) Scrum
14 94 (10.69%) SQL
15 92 (10.47%) Azure
16 91 (10.35%) Git (software)
17 89 (10.13%) JIRA
18 83 (9.44%) Test Automation
18 83 (9.44%) DevOps
19 82 (9.33%) DV Cleared
19 82 (9.33%) Embedded C
20 81 (9.22%) Oracle
21 79 (8.99%) C#
22 75 (8.53%) JavaScript
23 74 (8.42%) UML
23 74 (8.42%) Continuous Integration
24 73 (8.30%) Jenkins
25 72 (8.19%) Public Sector

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 54 (6.14%) Confluence
2 23 (2.62%) Oracle SOA Suite
3 22 (2.50%) WebLogic
4 21 (2.39%) SharePoint
5 16 (1.82%) Apache
6 11 (1.25%) Apache Spark
6 11 (1.25%) Tomcat
7 9 (1.02%) Elasticsearch
8 7 (0.80%) CMS
8 7 (0.80%) MS Exchange
9 6 (0.68%) ArcGIS
9 6 (0.68%) SAP Portal
10 5 (0.57%) IIS
10 5 (0.57%) OpenStack
11 4 (0.46%) Exchange Server 2010
12 3 (0.34%) BizTalk Server
12 3 (0.34%) JBoss
12 3 (0.34%) Oracle Application Server
13 2 (0.23%) SAS
13 2 (0.23%) Skype for Business
Applications
1 38 (4.32%) Microsoft Office
2 21 (2.39%) Microsoft Excel
3 15 (1.71%) Simulink
4 13 (1.48%) MS Visio
5 11 (1.25%) Microsoft Project
6 7 (0.80%) Microsoft PowerPoint
7 6 (0.68%) Photoshop
8 4 (0.46%) Spreadsheet
9 3 (0.34%) OrCAD
10 2 (0.23%) Doxygen
11 1 (0.11%) Chatbot
11 1 (0.11%) GNU Octave
11 1 (0.11%) Maya
11 1 (0.11%) PlantUML
11 1 (0.11%) SOLIDWORKS
Business Applications
1 15 (1.71%) Dynamics CRM
2 9 (1.02%) ION MarketView
3 5 (0.57%) Oracle ERP
3 5 (0.57%) SAP PSCD
4 3 (0.34%) Remedy ITSM
4 3 (0.34%) SAP Convergent Charging
4 3 (0.34%) SAP S/4HANA
4 3 (0.34%) SAP SD
5 2 (0.23%) Dynamics NAV
5 2 (0.23%) JDE OneWorld
5 2 (0.23%) NetSuite
5 2 (0.23%) SAP CRM
5 2 (0.23%) SAP HR
5 2 (0.23%) SAP VC
6 1 (0.11%) Dynamics AX
6 1 (0.11%) Primavera
6 1 (0.11%) RMDS
6 1 (0.11%) Sage BI
6 1 (0.11%) SAP Oil and Gas
6 1 (0.11%) Temenos T24
Cloud Services
1 92 (10.47%) Azure
2 55 (6.26%) AWS
3 30 (3.41%) SaaS
4 26 (2.96%) PaaS
5 18 (2.05%) GCP
5 18 (2.05%) IaaS
5 18 (2.05%) Office 365
6 17 (1.93%) Dynamics 365
7 14 (1.59%) GitHub
8 12 (1.37%) Power Platform
9 11 (1.25%) Cloud Computing
10 8 (0.91%) OpenShift
11 7 (0.80%) AWS CloudFormation
12 6 (0.68%) Amazon ECS
12 6 (0.68%) Datadog
13 5 (0.57%) Virtual Private Cloud
14 4 (0.46%) Amazon S3
14 4 (0.46%) Serverless
15 3 (0.34%) Amazon CloudWatch
16 2 (0.23%) OneDrive
Communications & Networking
1 55 (6.26%) TCP/IP
2 49 (5.57%) IPv6
3 46 (5.23%) DNS
4 44 (5.01%) DHCP
4 44 (5.01%) IPv4
4 44 (5.01%) Wi-Fi
5 41 (4.66%) Wireshark
6 38 (4.32%) HTTP
7 37 (4.21%) Wireless
8 34 (3.87%) HTTPS
9 33 (3.75%) Internet
10 23 (2.62%) VPN
11 21 (2.39%) VoIP
12 20 (2.28%) DMZ
13 18 (2.05%) Bluetooth
13 18 (2.05%) Firewall
13 18 (2.05%) ZigBee
14 15 (1.71%) Network Security
15 13 (1.48%) Ethernet
16 10 (1.14%) WAN
Database & Business Intelligence
1 40 (4.55%) SQL Server
2 33 (3.75%) MySQL
3 29 (3.30%) Big Data
4 23 (2.62%) PostgreSQL
5 19 (2.16%) Oracle ODI
6 17 (1.93%) Hadoop
6 17 (1.93%) MongoDB
7 14 (1.59%) Oracle Database
8 12 (1.37%) Power BI
9 11 (1.25%) SQL Server Reporting Services
10 10 (1.14%) Amazon Redshift
10 10 (1.14%) GIS
10 10 (1.14%) Oracle Database 12c
11 9 (1.02%) DB2
11 9 (1.02%) DB2 UDB
11 9 (1.02%) Oracle Database 11g
12 8 (0.91%) Apache Hive
12 8 (0.91%) HBase
13 7 (0.80%) DataStage
13 7 (0.80%) NoSQL
Development Applications
1 91 (10.35%) Git (software)
2 89 (10.13%) JIRA
3 73 (8.30%) Jenkins
4 25 (2.84%) Rational Rhapsody
5 22 (2.50%) Selenium
6 20 (2.28%) Atlassian Bamboo
6 20 (2.28%) Eclipse
7 19 (2.16%) Rational DOORS
8 15 (1.71%) ProC
8 15 (1.71%) Sonatype Nexus
8 15 (1.71%) Subversion
9 12 (1.37%) GoogleTest
10 11 (1.25%) Maven
10 11 (1.25%) PVCS
11 9 (1.02%) Ant
11 9 (1.02%) JUnit
12 8 (0.91%) Rational Team Concert
13 7 (0.80%) Cucumber
13 7 (0.80%) IBM UrbanCode
13 7 (0.80%) TeamCity
General
1 150 (17.06%) Finance
2 72 (8.19%) Public Sector
3 44 (5.01%) Electronics
4 42 (4.78%) Telecoms
5 33 (3.75%) Legal
6 32 (3.64%) Banking
7 25 (2.84%) Military
8 22 (2.50%) Law
9 12 (1.37%) Manufacturing
9 12 (1.37%) Publishing
10 11 (1.25%) Aerospace
10 11 (1.25%) Marketing
11 10 (1.14%) Investment Banking
12 7 (0.80%) Avionics
12 7 (0.80%) Games
12 7 (0.80%) Retail
13 6 (0.68%) Front Office
13 6 (0.68%) Pharmaceutical
14 4 (0.46%) Automotive
14 4 (0.46%) Billing
Job Titles
1 225 (25.60%) Developer
2 142 (16.15%) Software Engineer
3 90 (10.24%) Embedded Engineer
4 73 (8.30%) Embedded Software Engineer
5 56 (6.37%) Analyst
6 53 (6.03%) C Developer
7 40 (4.55%) Architect
8 36 (4.10%) Consultant
9 34 (3.87%) Project Manager
9 34 (3.87%) Systems Engineer
10 33 (3.75%) C Software Engineer
10 33 (3.75%) C++ Software Engineer
11 30 (3.41%) Senior Developer
12 29 (3.30%) Test Engineer
13 26 (2.96%) Linux Developer
14 25 (2.84%) C/C++ Software Engineer
15 23 (2.62%) Business Analyst
16 21 (2.39%) Java Developer
16 21 (2.39%) Software Developer
17 19 (2.16%) Oracle Developer
Libraries, Frameworks & Software Standards
1 61 (6.94%) .NET
2 55 (6.26%) Yocto
3 44 (5.01%) HTML
4 34 (3.87%) Web Services
5 31 (3.53%) SAML
6 29 (3.30%) CSS
6 29 (3.30%) POSIX
7 28 (3.19%) XML
8 27 (3.07%) Oracle Fusion
9 21 (2.39%) Middleware
9 21 (2.39%) Node.js
10 20 (2.28%) AngularJS
10 20 (2.28%) React
11 19 (2.16%) REST
12 18 (2.05%) SOAP
13 16 (1.82%) .NET Core
13 16 (1.82%) .NET Framework
14 14 (1.59%) OpenID
15 13 (1.48%) Gherkin
16 12 (1.37%) JSON
Miscellaneous
1 110 (12.51%) Analytical Skills
2 55 (6.26%) Device Driver
3 40 (4.55%) Self-Motivation
4 24 (2.73%) User Experience
5 23 (2.62%) Management Information System
6 19 (2.16%) Data Centre
7 16 (1.82%) Embedded Systems
8 15 (1.71%) Greenfield Project
8 15 (1.71%) Home Automation
8 15 (1.71%) Mainframe
9 13 (1.48%) Algorithms
10 12 (1.37%) Linux Command Line
11 11 (1.25%) Foreign Exchange (FX)
12 10 (1.14%) Equities
12 10 (1.14%) Media Streaming
13 9 (1.02%) Field-Programmable Gate Array
14 8 (0.91%) NHS
14 8 (0.91%) Private Cloud
15 7 (0.80%) Clustering
15 7 (0.80%) Public Cloud
Operating Systems
1 250 (28.44%) Linux
2 97 (11.04%) Windows
3 70 (7.96%) Unix
4 38 (4.32%) Windows Server
5 32 (3.64%) Red Hat Enterprise Linux
6 18 (2.05%) Embedded Linux
7 17 (1.93%) Android
7 17 (1.93%) Windows Server 2008
8 16 (1.82%) Windows 10
8 16 (1.82%) Windows Server 2012
9 14 (1.59%) FreeRTOS
9 14 (1.59%) ThreadX
10 13 (1.48%) Windows Server 2016
11 11 (1.25%) Apple iOS
12 9 (1.02%) AIX
12 9 (1.02%) Windows Server 2019
13 8 (0.91%) CentOS
13 8 (0.91%) Windows 7
14 5 (0.57%) Solaris
14 5 (0.57%) Ubuntu
Processes & Methodologies
1 324 (36.86%) Agile Software Development
2 180 (20.48%) Software Engineering
3 137 (15.59%) Problem-Solving
4 97 (11.04%) Scrum
5 83 (9.44%) DevOps
5 83 (9.44%) Test Automation
6 74 (8.42%) Continuous Integration
6 74 (8.42%) UML
7 70 (7.96%) Project Management
8 61 (6.94%) Business Intelligence
9 60 (6.83%) Mathematics
10 54 (6.14%) Migration
10 54 (6.14%) Waterfall
11 48 (5.46%) Stakeholder Management
12 43 (4.89%) TDD
13 42 (4.78%) Configuration Management
13 42 (4.78%) SDLC
14 40 (4.55%) Mentoring
14 40 (4.55%) Requirements Gathering
15 38 (4.32%) Cybersecurity
Programming Languages
1 241 (27.42%) C++
2 193 (21.96%) Python
3 124 (14.11%) Java
4 94 (10.69%) SQL
5 82 (9.33%) Embedded C
6 79 (8.99%) C#
7 75 (8.53%) JavaScript
8 58 (6.60%) Perl
9 47 (5.35%) Embedded C++
10 42 (4.78%) Shell Script
11 33 (3.75%) PowerShell
12 25 (2.84%) Bash Shell
12 25 (2.84%) MATLAB
13 23 (2.62%) Ruby
14 16 (1.82%) Go
15 15 (1.71%) Ada
16 13 (1.48%) PHP
16 13 (1.48%) PL/SQL
17 11 (1.25%) Korn
17 11 (1.25%) VB
Qualifications
1 171 (19.45%) Security Cleared
2 110 (12.51%) SC Cleared
3 106 (12.06%) Degree
4 82 (9.33%) DV Cleared
5 16 (1.82%) Microsoft Certification
6 15 (1.71%) Cisco Certification
7 13 (1.48%) Computer Science Degree
8 12 (1.37%) ISTQB
9 9 (1.02%) HNC
10 8 (0.91%) APMP
10 8 (0.91%) CISSP
10 8 (0.91%) SSCP
11 7 (0.80%) BPSS Clearance
11 7 (0.80%) CCNA
12 6 (0.68%) CISM
12 6 (0.68%) ISEB
12 6 (0.68%) PhD
13 5 (0.57%) MCSE
14 4 (0.46%) Master's Degree
15 3 (0.34%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 24 (2.73%) QA
2 16 (1.82%) SLA
3 9 (1.02%) MISRA
4 8 (0.91%) MISRA C
5 7 (0.80%) GDPR
5 7 (0.80%) ISO/IEC 27001
6 6 (0.68%) Def Stans
6 6 (0.68%) HMG Security Policy Framework
7 5 (0.57%) PMO
8 4 (0.46%) DO-254
9 3 (0.34%) IEC 61508
10 2 (0.23%) Data Quality
10 2 (0.23%) DO-178B
10 2 (0.23%) GAAP
10 2 (0.23%) HAZOP
10 2 (0.23%) IFRS
10 2 (0.23%) ISO 14001
10 2 (0.23%) RMADS
10 2 (0.23%) WCAG
11 1 (0.11%) Cyber Essentials
System Software
1 37 (4.21%) Docker
2 30 (3.41%) Active Directory
3 24 (2.73%) VMware Infrastructure
4 17 (1.93%) Virtual Machines
5 13 (1.48%) VMware ESXi
6 9 (1.02%) RACF
7 8 (0.91%) Firmware
7 8 (0.91%) VMware NSX
8 7 (0.80%) HDFS
9 6 (0.68%) NFS
9 6 (0.68%) vSphere
10 4 (0.46%) XenApp
11 3 (0.34%) Citrix Hypervisor
11 3 (0.34%) Hyper-V
11 3 (0.34%) Snort
11 3 (0.34%) Veritas Cluster Server
12 2 (0.23%) Samba
12 2 (0.23%) Terminal Server
12 2 (0.23%) VirtualBox
12 2 (0.23%) Xen
Systems Management
1 35 (3.98%) Ansible
2 32 (3.64%) Puppet
3 29 (3.30%) Opscode Chef
4 27 (3.07%) Kubernetes
5 20 (2.28%) Single Sign-On
6 11 (1.25%) Terraform
7 10 (1.14%) Salt
8 8 (0.91%) Nagios
9 7 (0.80%) Hadoop YARN
9 7 (0.80%) HP ALM
10 6 (0.68%) Packer
11 5 (0.57%) Rancher
11 5 (0.57%) vCenter Server
12 4 (0.46%) HP Quality Center
12 4 (0.46%) Kibana
13 3 (0.34%) Network Intrusion Detection System
13 3 (0.34%) Oracle Statspack
13 3 (0.34%) OSSEC
13 3 (0.34%) Pacemaker
13 3 (0.34%) vMotion
Vendors
1 99 (11.26%) Microsoft
2 81 (9.22%) Oracle
3 45 (5.12%) Atlassian
4 32 (3.64%) VMware
5 28 (3.19%) SAP
6 27 (3.07%) Google
7 25 (2.84%) Red Hat
8 24 (2.73%) Cisco
9 18 (2.05%) IBM
10 16 (1.82%) HP
11 10 (1.14%) SaltStack
11 10 (1.14%) Splunk
12 9 (1.02%) ION Trading
13 8 (0.91%) Adobe
13 8 (0.91%) Citrix
14 7 (0.80%) EMC
14 7 (0.80%) Hortonworks
14 7 (0.80%) New Relic
14 7 (0.80%) Sophos
15 6 (0.68%) MuleSoft