Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
Period
to 25 September 2021

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 2021 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 2021		 Same period 2020 Same period 2019
Rank 177 111 126
Rank change year-on-year -66 +15 +47
Contract jobs citing C 1,237 672 1,809
As % of all contract jobs advertised in the UK 1.55% 2.26% 2.05%
As % of the Programming Languages category 3.89% 5.34% 4.85%
Number of daily rates quoted 758 370 988
10th Percentile £360 £279 £317
25th Percentile £450 £394 £388
Median daily rate (50th Percentile) £540 £500 £450
Median % change year-on-year +8.00% +11.11% -5.26%
75th Percentile £650 £575 £550
90th Percentile £725 £701 £663
UK excluding London median daily rate £475 £450 £450
% change year-on-year +5.56% - +9.09%
Number of hourly rates quoted 109 84 222
10th Percentile £16.21 £11.72 £37.50
25th Percentile £25.00 £21.53 £41.25
Median hourly rate £47.50 £42.50 £46.25
Median % change year-on-year +11.76% -8.11% +9.47%
75th Percentile £53.75 £48.32 £51.25
90th Percentile £63.15 £53.38 £53.75
UK excluding London median hourly rate £47.50 £42.50 £46.00
% change year-on-year +11.76% -7.61% +8.24%

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 31,807 12,585 37,286
As % of all contract IT jobs advertised in the UK 39.79% 42.33% 42.21%
Number of daily rates quoted 22,726 8,808 26,104
10th Percentile £356 £313 £320
25th Percentile £425 £400 £400
Median daily rate (50th Percentile) £523 £488 £475
Median % change year-on-year +7.18% +2.63% -
75th Percentile £623 £588 £575
90th Percentile £700 £688 £650
UK excluding London median daily rate £450 £431 £425
% change year-on-year +4.41% +1.41% +2.41%
Number of hourly rates quoted 461 248 642
10th Percentile £16.49 £12.93 £19.18
25th Percentile £25.25 £20.59 £34.00
Median hourly rate £45.00 £39.00 £44.96
Median % change year-on-year +15.38% -13.25% +8.25%
75th Percentile £57.82 £47.50 £51.00
90th Percentile £66.75 £55.00 £55.00
UK excluding London median hourly rate £45.00 £42.00 £44.00
% change year-on-year +7.14% -4.55% +4.76%

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 25 September 2021.

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 25 September 2021.

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 2021. 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 -64 1,014 £540 +8.10% 946
UK excluding London -62 535 £475 +5.56% 813
London -39 493 £600 +14.29% 196
Work from Home -73 288 £540 +8.00% 147
South West +24 163 £450 +5.88% 95
South East -62 127 £436 -8.78% 178
East of England -35 90 £475 +10.40% 142
Midlands -49 57 £450 -7.69% 119
West Midlands -39 46 £450 -10.00% 63
Scotland -45 45 £500 +10.62% 40
North of England -104 33 £463 +23.33% 214
Wales -21 18 £509 +7.05% 18
North West -78 15 £480 +1.05% 112
Yorkshire -56 13 £450 +41.18% 77
East Midlands -32 11 £400 +41.59% 55
North East -9 5 £320 -1.54% 25
Northern Ireland -2 4 - - 10

For the 6 months to 25 September 2021, 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.

1 411 (33.23%) Agile Software Development
2 359 (29.02%) C++
3 268 (21.67%) Python
4 265 (21.42%) Java
5 260 (21.02%) Software Engineering
6 243 (19.64%) Social Skills
7 237 (19.16%) Security Cleared
8 208 (16.81%) Linux
8 208 (16.81%) Finance
9 197 (15.93%) DevOps
10 194 (15.68%) Azure
11 174 (14.07%) AWS
12 172 (13.90%) SC Cleared
13 152 (12.29%) Stakeholder Management
14 145 (11.72%) SQL
15 141 (11.40%) Degree
16 140 (11.32%) SDLC
17 128 (10.35%) Problem-Solving
18 119 (9.62%) Windows
19 116 (9.38%) Microsoft
20 112 (9.05%) Scrum
21 111 (8.97%) JIRA
22 108 (8.73%) JavaScript
23 104 (8.41%) Git (software)
24 102 (8.25%) Project Delivery
25 101 (8.16%) Telecoms
26 95 (7.68%) C#
27 93 (7.52%) Embedded C
28 92 (7.44%) Jenkins
29 87 (7.03%) Oracle

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 60 (4.85%) Confluence
2 34 (2.75%) SharePoint
3 18 (1.46%) Apache Spark
4 17 (1.37%) OpenStack
5 16 (1.29%) Apache
6 13 (1.05%) ArcGIS
7 11 (0.89%) Oracle SOA Suite
8 10 (0.81%) Tomcat
8 10 (0.81%) WebLogic
9 6 (0.49%) Mule
10 5 (0.40%) CMS
10 5 (0.40%) Elasticsearch
10 5 (0.40%) MS Exchange
11 4 (0.32%) Apache Airflow
11 4 (0.32%) IIS
12 3 (0.24%) SAS
13 2 (0.16%) Exchange Server 2010
13 2 (0.16%) nginx
13 2 (0.16%) Skype for Business
13 2 (0.16%) Tuxedo
Applications
1 40 (3.23%) Microsoft Office
2 28 (2.26%) Microsoft Excel
3 15 (1.21%) Simulink
4 10 (0.81%) Photoshop
5 7 (0.57%) Microsoft PowerPoint
6 6 (0.49%) FrameMaker
6 6 (0.49%) Spreadsheet
7 4 (0.32%) Microsoft Project
7 4 (0.32%) MS Visio
8 3 (0.24%) Doxygen
9 2 (0.16%) SOLIDWORKS
9 2 (0.16%) SPSS
10 1 (0.081%) Adobe XD
10 1 (0.081%) Houdini
10 1 (0.081%) Mathcad
10 1 (0.081%) Maya
10 1 (0.081%) NUKE
10 1 (0.081%) Sketch
10 1 (0.081%) Stateflow
Business Applications
1 25 (2.02%) ION MarketView
2 8 (0.65%) Dynamics NAV
3 6 (0.49%) Dynamics CRM
3 6 (0.49%) Sparx Enterprise Architect
4 5 (0.40%) SAP Oil and Gas
5 4 (0.32%) Oracle ERP
5 4 (0.32%) SAP MDG
5 4 (0.32%) SAP S/4HANA
5 4 (0.32%) Sentinel
6 3 (0.24%) BASE24
6 3 (0.24%) SAP BPC
6 3 (0.24%) SAP Hybris
7 2 (0.16%) NetSuite
7 2 (0.16%) Payment Gateway
7 2 (0.16%) SAP CO
7 2 (0.16%) SAP ERP
7 2 (0.16%) SAP FI
7 2 (0.16%) SAP FI/CO
7 2 (0.16%) Teamcenter
7 2 (0.16%) Workday HCM
Cloud Services
1 194 (15.68%) Azure
2 174 (14.07%) AWS
3 61 (4.93%) GCP
4 39 (3.15%) GitHub
5 36 (2.91%) AWS CloudFormation
6 34 (2.75%) SaaS
7 33 (2.67%) Microsoft 365
8 31 (2.51%) Serverless
9 28 (2.26%) Power Platform
10 26 (2.10%) PaaS
11 22 (1.78%) Azure Active Directory
12 13 (1.05%) Amazon S3
13 12 (0.97%) IaaS
14 11 (0.89%) Cloud Computing
14 11 (0.89%) OpenShift
15 8 (0.65%) AWS Lambda
15 8 (0.65%) OneDrive
16 6 (0.49%) Amazon EKS
16 6 (0.49%) AWS CodeCommit
16 6 (0.49%) Azure Cosmos DB
Communications & Networking
1 69 (5.58%) 5G
2 64 (5.17%) 2G
3 63 (5.09%) GSM
3 63 (5.09%) MVNO
4 49 (3.96%) Packet Switching
5 37 (2.99%) Wireless
6 34 (2.75%) Wi-Fi
7 32 (2.59%) Firewall
8 27 (2.18%) Ethernet
9 25 (2.02%) IPv4
10 22 (1.78%) DNS
10 22 (1.78%) TCP/IP
11 21 (1.70%) Internet
12 20 (1.62%) VPN
13 19 (1.54%) Bluetooth
14 17 (1.37%) DHCP
14 17 (1.37%) LAN
14 17 (1.37%) WAN
15 16 (1.29%) Unified Communications
16 13 (1.05%) IPv6
Database & Business Intelligence
1 54 (4.37%) SQL Server
2 32 (2.59%) NoSQL
3 31 (2.51%) PostgreSQL
4 28 (2.26%) MySQL
4 28 (2.26%) Power BI
4 28 (2.26%) Relational Database
5 25 (2.02%) GIS
5 25 (2.02%) Oracle Database
6 23 (1.86%) Big Data
7 19 (1.54%) Tableau
8 16 (1.29%) RDBMS
9 15 (1.21%) Data Warehouse
10 14 (1.13%) Apache Cassandra
10 14 (1.13%) Hadoop
11 12 (0.97%) MongoDB
12 11 (0.89%) Geospatial Data
13 10 (0.81%) Data Lake
13 10 (0.81%) SQL Server Integration Services
14 9 (0.73%) HBase
14 9 (0.73%) SAP HANA
Development Applications
1 111 (8.97%) JIRA
2 104 (8.41%) Git (software)
3 92 (7.44%) Jenkins
4 42 (3.40%) Rational DOORS
5 30 (2.43%) GitLab
6 29 (2.34%) Rational Rhapsody
7 25 (2.02%) Bitbucket
8 22 (1.78%) Eclipse
9 20 (1.62%) Atlassian Bamboo
9 20 (1.62%) LoadRunner
10 18 (1.46%) Selenium
10 18 (1.46%) Subversion
11 16 (1.29%) Maven
12 15 (1.21%) Cucumber
12 15 (1.21%) JMeter
13 14 (1.13%) Rational Team Concert
14 12 (0.97%) GDB
14 12 (0.97%) SonarQube
14 12 (0.97%) Visual Studio
14 12 (0.97%) Xcode
General
1 243 (19.64%) Social Skills
2 208 (16.81%) Finance
3 101 (8.16%) Telecoms
4 83 (6.71%) Analytical Skills
5 66 (5.34%) Banking
6 50 (4.04%) Public Sector
7 47 (3.80%) Electronics
8 43 (3.48%) Presentation Skills
9 42 (3.40%) Law
10 35 (2.83%) Legal
11 30 (2.43%) Aerospace
12 29 (2.34%) Automotive
13 26 (2.10%) Investment Banking
14 19 (1.54%) Marketing
15 16 (1.29%) Financial Institution
15 16 (1.29%) Military
16 15 (1.21%) Manufacturing
17 14 (1.13%) Digital Economy
18 13 (1.05%) Influencing Skills
18 13 (1.05%) Organisational Skills
Job Titles
1 260 (21.02%) Developer
2 195 (15.76%) Software Engineer
3 131 (10.59%) Analyst
4 109 (8.81%) Embedded Engineer
5 96 (7.76%) Embedded Software Engineer
6 88 (7.11%) Architect
7 76 (6.14%) Business Analyst
8 65 (5.25%) Project Manager
9 59 (4.77%) C Software Engineer
10 52 (4.20%) Java Developer
11 47 (3.80%) C Developer
11 47 (3.80%) C++ Software Engineer
12 45 (3.64%) Consultant
13 43 (3.48%) Embedded C Engineer
14 37 (2.99%) Embedded C Software Engineer
15 36 (2.91%) C/C++ Software Engineer
16 33 (2.67%) DevOps Engineer
17 29 (2.34%) Software Developer
18 28 (2.26%) Technical Project Manager
18 28 (2.26%) Tester
Libraries, Frameworks & Software Standards
1 58 (4.69%) .NET
2 48 (3.88%) XML
3 47 (3.80%) Web Services
4 42 (3.40%) Node.js
5 39 (3.15%) RESTful
6 38 (3.07%) HTML
7 37 (2.99%) AngularJS
7 37 (2.99%) React
8 33 (2.67%) REST
9 31 (2.51%) JNI
10 30 (2.43%) JSON
11 29 (2.34%) Kafka
12 27 (2.18%) Spring
13 25 (2.02%) CSS
14 20 (1.62%) Middleware
15 19 (1.54%) ASP.NET
16 17 (1.37%) .NET Framework
16 17 (1.37%) J2EE
17 14 (1.13%) .NET Core
18 13 (1.05%) Django
Miscellaneous
1 50 (4.04%) Self-Motivation
2 43 (3.48%) Embedded Systems
3 40 (3.23%) User Experience
4 34 (2.75%) PMI
5 31 (2.51%) Data Centre
5 31 (2.51%) Management Information System
6 28 (2.26%) Algorithms
7 17 (1.37%) Client/Server
7 17 (1.37%) Public Cloud
8 16 (1.29%) CAN bus
8 16 (1.29%) Cloud Native
8 16 (1.29%) Data Protection Act
9 15 (1.21%) Verilog
9 15 (1.21%) VHDL
9 15 (1.21%) Virtual Team
10 14 (1.13%) Device Driver
11 13 (1.05%) Enterprise Cloud
11 13 (1.05%) Field-Programmable Gate Array
11 13 (1.05%) Hedge funds
11 13 (1.05%) Linux Command Line
Operating Systems
1 208 (16.81%) Linux
2 119 (9.62%) Windows
3 49 (3.96%) Unix
4 36 (2.91%) Windows 10
5 30 (2.43%) Android
6 28 (2.26%) Red Hat Enterprise Linux
7 24 (1.94%) Embedded Linux
8 23 (1.86%) Apple iOS
8 23 (1.86%) Windows Server
9 16 (1.29%) Windows Server 2008
9 16 (1.29%) Windows Server 2012
10 15 (1.21%) Windows Server 2016
11 13 (1.05%) Windows 7
12 10 (0.81%) FreeRTOS
12 10 (0.81%) Windows Server 2019
13 9 (0.73%) OpenWrt
14 8 (0.65%) Mac OS
14 8 (0.65%) Solaris
14 8 (0.65%) Ubuntu
15 7 (0.57%) CentOS
Processes & Methodologies
1 411 (33.23%) Agile Software Development
2 260 (21.02%) Software Engineering
3 197 (15.93%) DevOps
4 152 (12.29%) Stakeholder Management
5 140 (11.32%) SDLC
6 128 (10.35%) Problem-Solving
7 112 (9.05%) Scrum
8 102 (8.25%) Project Delivery
9 84 (6.79%) Requirements Gathering
10 83 (6.71%) Analytics
11 82 (6.63%) Test Automation
12 78 (6.31%) Configuration Management
13 72 (5.82%) Project Management
13 72 (5.82%) Validation
14 71 (5.74%) Migration
15 69 (5.58%) Continuous Integration
16 68 (5.50%) Computer Science
17 66 (5.34%) OO
18 60 (4.85%) Embedded Software Development
19 59 (4.77%) Microservices
Programming Languages
1 359 (29.02%) C++
2 268 (21.67%) Python
3 265 (21.42%) Java
4 145 (11.72%) SQL
5 108 (8.73%) JavaScript
6 95 (7.68%) C#
7 93 (7.52%) Embedded C
8 75 (6.06%) PowerShell
9 51 (4.12%) Bash Shell
10 48 (3.88%) Perl
11 43 (3.48%) Embedded C++
12 38 (3.07%) Shell Script
13 26 (2.10%) TypeScript
14 25 (2.02%) Go
15 24 (1.94%) MATLAB
15 24 (1.94%) Scala
16 22 (1.78%) PHP
17 21 (1.70%) VB
18 18 (1.46%) Ruby
19 17 (1.37%) Ada
Qualifications
1 237 (19.16%) Security Cleared
2 172 (13.90%) SC Cleared
3 141 (11.40%) Degree
4 74 (5.98%) DV Cleared
5 35 (2.83%) PMI Certification
6 26 (2.10%) Cisco Certification
7 21 (1.70%) Microsoft Certification
8 20 (1.62%) CISSP
9 13 (1.05%) BPSS Clearance
10 9 (0.73%) CCNA
10 9 (0.73%) PMP
11 7 (0.57%) CCNP
11 7 (0.57%) Computer Science Degree
11 7 (0.57%) PhD
12 6 (0.49%) ITIL Certification
12 6 (0.49%) Master's Degree
12 6 (0.49%) TOGAF Certification
13 4 (0.32%) CESG Certified Professional
13 4 (0.32%) PRINCE2 Practitioner
14 3 (0.24%) CISM
Quality Assurance & Compliance
1 46 (3.72%) GDPR
2 34 (2.75%) QA
3 26 (2.10%) PMBOK
4 24 (1.94%) DO-178B
5 14 (1.13%) JTAG
6 13 (1.05%) PMO
7 12 (0.97%) SLA
8 10 (0.81%) Data Quality
9 8 (0.65%) MISRA
10 5 (0.40%) IEC 61508
10 5 (0.40%) ISO/IEC 27001
11 4 (0.32%) ISO 26262
11 4 (0.32%) NIST
12 3 (0.24%) GRC
12 3 (0.24%) HMG Security Policy Framework
12 3 (0.24%) MISRA C
13 2 (0.16%) Accessibility
13 2 (0.16%) FISMA
13 2 (0.16%) HIPAA
13 2 (0.16%) NCSC
System Software
1 84 (6.79%) Docker
2 77 (6.22%) Active Directory
3 46 (3.72%) VMware Infrastructure
4 32 (2.59%) Firmware
5 16 (1.29%) Virtual Desktop
5 16 (1.29%) VMware NSX
6 15 (1.21%) Microsoft App-V
6 15 (1.21%) Virtual Machines
7 11 (0.89%) vSphere
8 8 (0.65%) HDFS
8 8 (0.65%) iptables
9 6 (0.49%) KVM
9 6 (0.49%) Virtual Servers
9 6 (0.49%) VirtualBox
10 4 (0.32%) RACF
10 4 (0.32%) Xen
11 2 (0.16%) NFS
11 2 (0.16%) Terminal Server
12 1 (0.081%) Hyper-V
12 1 (0.081%) VMware Workstation
Systems Management
1 64 (5.17%) Kubernetes
2 63 (5.09%) Terraform
3 47 (3.80%) Ansible
4 26 (2.10%) SCCM
5 20 (1.62%) Microsoft Intune
6 14 (1.13%) Cisco CUCM
7 13 (1.05%) Puppet
8 11 (0.89%) Active Directory Federation Services
8 11 (0.89%) HP Quality Center
9 10 (0.81%) Single Sign-On
10 9 (0.73%) BMC PATROL
11 7 (0.57%) Opscode Chef
11 7 (0.57%) vRealize
12 6 (0.49%) Control-M
12 6 (0.49%) Microsoft Clustering
12 6 (0.49%) Packer
12 6 (0.49%) vRealize Orchestrator
13 5 (0.40%) Nagios
13 5 (0.40%) ZABBIX
14 4 (0.32%) Hadoop YARN
Vendors
1 116 (9.38%) Microsoft
2 87 (7.03%) Oracle
3 48 (3.88%) VMware
4 40 (3.23%) Cisco
5 32 (2.59%) SAP
6 28 (2.26%) Red Hat
7 26 (2.10%) Atlassian
8 25 (2.02%) EMC
8 25 (2.02%) ION Trading
9 23 (1.86%) HP
10 18 (1.46%) IBM
11 17 (1.37%) Google
12 15 (1.21%) Ivanti
13 11 (0.89%) Adobe
13 11 (0.89%) ESRI
13 11 (0.89%) Lumension
13 11 (0.89%) SOASTA, Inc
13 11 (0.89%) Sophos
14 10 (0.81%) Citrix
15 9 (0.73%) Intel
1,051 C job vacancies Nationwide