Period
to 24 October 2021

The following table provides summary statistics for contract job vacancies advertised in England 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 24 October 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 > England
6 months to
24 Oct 2021
Same period 2020 Same period 2019
Rank 180 97 114
Rank change year-on-year -83 +17 +51
Contract jobs citing C 1,039 679 1,668
As % of all contract jobs advertised in England 1.55% 2.48% 2.16%
As % of the Programming Languages category 3.89% 5.80% 5.12%
Number of daily rates quoted 634 397 907
10th Percentile £358 £300 £322
25th Percentile £433 £385 £400
Median daily rate (50th Percentile) £550 £500 £465
Median % change year-on-year +10.00% +7.53% -2.11%
75th Percentile £650 £575 £550
90th Percentile £750 £705 £663
UK median daily rate £540 £500 £455
% change year-on-year +8.00% +9.89% -2.43%
Number of hourly rates quoted 93 89 218
10th Percentile £18.33 £11.17 £37.50
25th Percentile £27.50 £13.00 £41.25
Median hourly rate £48.50 £42.00 £47.50
Median % change year-on-year +15.48% -11.58% +11.76%
75th Percentile £55.00 £47.50 £51.25
90th Percentile £61.72 £54.50 £53.75
UK median hourly rate £49.50 £42.00 £46.00
% change year-on-year +17.86% -8.70% +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 advertised in England with a requirement for coding skills.

All Programming Languages
England
Contract vacancies with a requirement for coding skills 26,697 11,715 32,586
As % of all contract IT jobs advertised in England 39.71% 42.85% 42.28%
Number of daily rates quoted 19,528 8,325 23,146
10th Percentile £363 £311 £325
25th Percentile £425 £400 £400
Median daily rate (50th Percentile) £525 £495 £488
Median % change year-on-year +6.06% +1.54% +2.63%
75th Percentile £638 £598 £575
90th Percentile £713 £688 £650
UK median daily rate £525 £480 £475
% change year-on-year +9.38% +1.05% -
Number of hourly rates quoted 399 240 580
10th Percentile £17.50 £11.17 £18.00
25th Percentile £25.38 £20.94 £33.81
Median hourly rate £45.50 £37.93 £45.00
Median % change year-on-year +19.97% -15.72% +6.57%
75th Percentile £58.75 £47.50 £51.25
90th Percentile £67.55 £55.78 £55.05
UK median hourly rate £45.50 £38.50 £44.50
% change year-on-year +18.18% -13.48% +6.15%

C
Job Vacancy Trend in England

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

Job vacancy trend for C in England

C
Contractor Daily Rate Trend in England

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

Daily rate trend for C in England

C
Daily Rate Histogram in England

Daily rate distribution for jobs citing C in England over the 6 months to 24 October 2021.

Daily rate histogram for C in England

C
Contractor Hourly Rate Trend in England

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

Hourly rate trend for C in England

C
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing C in England over the 6 months to 24 October 2021.

Hourly rate histogram for C in England

C
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing C within the England region over the 6 months to 24 October 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
London -50 531 £600 +14.29% 205
South West +5 152 £465 +3.33% 123
South East -86 122 £425 -2.86% 198
East of England -37 101 £463 +17.83% 131
Midlands -49 55 £450 +1.98% 140
West Midlands -47 45 £450 -5.26% 73
North of England -100 29 £480 +37.14% 228
North West -78 16 £480 +1.05% 114
East Midlands -38 11 £400 - 65
Yorkshire -63 10 £513 +57.69% 76
North East -7 3 £165 -49.23% 38
C
UK

For the 6 months to 24 October 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 across the England region with a requirement for C.

1 368 (35.42%) Agile Software Development
2 343 (33.01%) C++
3 242 (23.29%) Python
4 241 (23.20%) Java
5 229 (22.04%) Social Skills
6 217 (20.89%) Software Engineering
7 212 (20.40%) Security Cleared
8 197 (18.96%) Linux
9 189 (18.19%) Finance
9 189 (18.19%) DevOps
10 153 (14.73%) Degree
11 149 (14.34%) SC Cleared
12 147 (14.15%) Azure
13 138 (13.28%) SDLC
14 130 (12.51%) AWS
15 128 (12.32%) SQL
16 121 (11.65%) Stakeholder Management
17 119 (11.45%) Windows
18 113 (10.88%) Problem-Solving
19 102 (9.82%) Project Delivery
20 99 (9.53%) Telecoms
21 97 (9.34%) JavaScript
22 93 (8.95%) C#
22 93 (8.95%) Git (software)
23 90 (8.66%) Microsoft
23 90 (8.66%) JIRA
24 88 (8.47%) Scrum
25 87 (8.37%) Test Automation
26 82 (7.89%) Computer Science
27 81 (7.80%) Analytical Skills

C
Co-occurring IT Skills in England 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 45 (4.33%) Confluence
2 30 (2.89%) SharePoint
3 19 (1.83%) Apache Spark
4 18 (1.73%) OpenStack
5 15 (1.44%) ArcGIS
6 14 (1.35%) Apache
7 9 (0.87%) Tomcat
7 9 (0.87%) WebLogic
8 7 (0.67%) Oracle SOA Suite
9 5 (0.48%) CMS
9 5 (0.48%) MS Exchange
10 4 (0.38%) Elasticsearch
11 3 (0.29%) Apache Airflow
11 3 (0.29%) Mule
11 3 (0.29%) SAS
12 2 (0.19%) Apache Solr
12 2 (0.19%) Exchange Server 2010
12 2 (0.19%) Exchange Server 2013
12 2 (0.19%) IIS
12 2 (0.19%) Skype for Business
Applications
1 32 (3.08%) Microsoft Office
2 21 (2.02%) Microsoft Excel
3 18 (1.73%) Simulink
4 12 (1.15%) Photoshop
5 8 (0.77%) Microsoft PowerPoint
6 6 (0.58%) FrameMaker
6 6 (0.58%) Microsoft Project
7 5 (0.48%) Spreadsheet
8 4 (0.38%) MS Visio
9 3 (0.29%) Doxygen
10 2 (0.19%) SOLIDWORKS
10 2 (0.19%) SPSS
11 1 (0.096%) Houdini
11 1 (0.096%) Mathcad
11 1 (0.096%) Maya
11 1 (0.096%) NUKE
11 1 (0.096%) PlantUML
11 1 (0.096%) Stateflow
Business Applications
1 29 (2.79%) ION MarketView
2 6 (0.58%) SAP Oil and Gas
3 5 (0.48%) Dynamics NAV
4 4 (0.38%) SAP MDG
4 4 (0.38%) SAP S/4HANA
4 4 (0.38%) Sentinel
4 4 (0.38%) Sparx Enterprise Architect
5 3 (0.29%) BASE24
5 3 (0.29%) Dynamics CRM
5 3 (0.29%) Oracle ERP
5 3 (0.29%) SAP ERP
5 3 (0.29%) SAP Hybris
5 3 (0.29%) Workday HCM
6 2 (0.19%) Payment Gateway
6 2 (0.19%) Teamcenter
7 1 (0.096%) Maximo
7 1 (0.096%) NetSuite
7 1 (0.096%) Oracle EBS
7 1 (0.096%) Salesforce.com CRM
7 1 (0.096%) SAP SD
Cloud Services
1 147 (14.15%) Azure
2 130 (12.51%) AWS
3 66 (6.35%) GCP
4 38 (3.66%) AWS CloudFormation
5 33 (3.18%) Serverless
6 31 (2.98%) GitHub
7 28 (2.69%) Microsoft 365
8 27 (2.60%) SaaS
9 22 (2.12%) Power Platform
10 19 (1.83%) Azure Active Directory
11 16 (1.54%) PaaS
12 10 (0.96%) Cloud Computing
13 9 (0.87%) IaaS
14 8 (0.77%) OneDrive
15 7 (0.67%) Amazon S3
16 6 (0.58%) Azure Cosmos DB
16 6 (0.58%) OpenShift
17 5 (0.48%) Apigee
17 5 (0.48%) Azure Functions
18 4 (0.38%) IBM Cloud
Communications & Networking
1 73 (7.03%) 5G
2 65 (6.26%) 2G
2 65 (6.26%) GSM
3 64 (6.16%) MVNO
4 48 (4.62%) Packet Switching
5 34 (3.27%) Wi-Fi
5 34 (3.27%) Wireless
6 30 (2.89%) Firewall
7 27 (2.60%) Ethernet
8 21 (2.02%) IPv4
9 18 (1.73%) Bluetooth
10 17 (1.64%) DNS
10 17 (1.64%) Internet
10 17 (1.64%) Network Security
10 17 (1.64%) Unified Communications
11 15 (1.44%) VPN
12 14 (1.35%) IPv6
12 14 (1.35%) TCP/IP
13 12 (1.15%) DHCP
13 12 (1.15%) WAN
Database & Business Intelligence
1 48 (4.62%) SQL Server
2 29 (2.79%) NoSQL
2 29 (2.79%) PostgreSQL
3 28 (2.69%) GIS
4 27 (2.60%) Relational Database
5 24 (2.31%) MySQL
6 22 (2.12%) Oracle Database
6 22 (2.12%) Power BI
7 21 (2.02%) Big Data
8 16 (1.54%) Hadoop
9 14 (1.35%) Apache Cassandra
9 14 (1.35%) Data Warehouse
9 14 (1.35%) RDBMS
10 13 (1.25%) Tableau
11 12 (1.15%) Geospatial Data
12 9 (0.87%) MongoDB
13 8 (0.77%) HBase
14 7 (0.67%) Apache Hive
14 7 (0.67%) Data Lake
14 7 (0.67%) SQL Server Integration Services
Development Applications
1 93 (8.95%) Git (software)
2 90 (8.66%) JIRA
3 74 (7.12%) Jenkins
4 37 (3.56%) Rational DOORS
5 33 (3.18%) Rational Rhapsody
6 23 (2.21%) Eclipse
6 23 (2.21%) GitLab
7 21 (2.02%) Bitbucket
8 16 (1.54%) Rational Team Concert
8 16 (1.54%) Selenium
8 16 (1.54%) Subversion
9 15 (1.44%) Atlassian Bamboo
9 15 (1.44%) Maven
10 12 (1.15%) GDB
10 12 (1.15%) NetBeans
10 12 (1.15%) PVCS
10 12 (1.15%) Visual Studio
11 11 (1.06%) CppUnit
11 11 (1.06%) LoadRunner
11 11 (1.06%) SonarQube
General
1 229 (22.04%) Social Skills
2 189 (18.19%) Finance
3 99 (9.53%) Telecoms
4 81 (7.80%) Analytical Skills
5 48 (4.62%) Public Sector
6 42 (4.04%) Electronics
7 41 (3.95%) Banking
8 39 (3.75%) Presentation Skills
9 34 (3.27%) Legal
10 31 (2.98%) Law
11 22 (2.12%) Automotive
12 19 (1.83%) Aerospace
13 17 (1.64%) Financial Institution
14 16 (1.54%) Manufacturing
14 16 (1.54%) Marketing
15 15 (1.44%) Influencing Skills
16 14 (1.35%) Digital Economy
17 12 (1.15%) Organisational Skills
18 11 (1.06%) Publishing
19 10 (0.96%) Front Office
Job Titles
1 226 (21.75%) Developer
2 161 (15.50%) Software Engineer
3 101 (9.72%) Analyst
4 91 (8.76%) Architect
5 90 (8.66%) Embedded Engineer
6 78 (7.51%) Embedded Software Engineer
7 62 (5.97%) Project Manager
8 58 (5.58%) Business Analyst
8 58 (5.58%) C Software Engineer
9 52 (5.00%) Java Developer
10 43 (4.14%) C++ Software Engineer
11 41 (3.95%) Embedded C Engineer
12 36 (3.46%) C/C++ Software Engineer
13 35 (3.37%) Embedded C Software Engineer
14 31 (2.98%) C Developer
15 30 (2.89%) Consultant
16 29 (2.79%) Algorithmic Trading Developer
16 29 (2.79%) Security Architect
16 29 (2.79%) Technical Manager
16 29 (2.79%) Technical Project Manager
Libraries, Frameworks & Software Standards
1 48 (4.62%) Web Services
1 48 (4.62%) XML
2 45 (4.33%) .NET
3 35 (3.37%) JNI
4 34 (3.27%) RESTful
5 33 (3.18%) React
5 33 (3.18%) REST
6 31 (2.98%) AngularJS
6 31 (2.98%) Node.js
7 30 (2.89%) HTML
8 28 (2.69%) JSON
9 20 (1.92%) Kafka
10 19 (1.83%) .NET Framework
10 19 (1.83%) CSS
11 16 (1.54%) J2EE
11 16 (1.54%) Spring
12 15 (1.44%) ASP.NET
12 15 (1.44%) Middleware
13 12 (1.15%) Motif
13 12 (1.15%) XSLT
Miscellaneous
1 44 (4.23%) Self-Motivation
2 35 (3.37%) PMI
3 31 (2.98%) Embedded Systems
4 30 (2.89%) Data Centre
5 28 (2.69%) Management Information System
6 25 (2.41%) User Experience
7 20 (1.92%) Client/Server
8 19 (1.83%) Cloud Native
9 18 (1.73%) Algorithms
9 18 (1.73%) Public Cloud
10 17 (1.64%) Mobile App
11 16 (1.54%) CAN bus
12 15 (1.44%) Enterprise Cloud
12 15 (1.44%) Hedge funds
13 13 (1.25%) Data Protection Act
13 13 (1.25%) Device Driver
13 13 (1.25%) Legacy Applications
13 13 (1.25%) Linux Command Line
14 12 (1.15%) Verilog
15 11 (1.06%) Renewable Energy
Operating Systems
1 197 (18.96%) Linux
2 119 (11.45%) Windows
3 40 (3.85%) Unix
4 34 (3.27%) Windows 10
5 29 (2.79%) Android
6 25 (2.41%) Windows Server
7 24 (2.31%) Apple iOS
7 24 (2.31%) Red Hat Enterprise Linux
8 18 (1.73%) Embedded Linux
9 15 (1.44%) Ubuntu
10 14 (1.35%) Windows 7
11 13 (1.25%) Windows Server 2008
11 13 (1.25%) Windows Server 2012
12 12 (1.15%) Windows Server 2016
12 12 (1.15%) Windows Server 2019
13 9 (0.87%) FreeRTOS
13 9 (0.87%) OpenWrt
14 8 (0.77%) Solaris
15 5 (0.48%) Mac OS
16 4 (0.38%) SafeRTOS
Processes & Methodologies
1 368 (35.42%) Agile Software Development
2 217 (20.89%) Software Engineering
3 189 (18.19%) DevOps
4 138 (13.28%) SDLC
5 121 (11.65%) Stakeholder Management
6 113 (10.88%) Problem-Solving
7 102 (9.82%) Project Delivery
8 88 (8.47%) Scrum
9 87 (8.37%) Test Automation
10 82 (7.89%) Computer Science
11 71 (6.83%) Configuration Management
12 68 (6.54%) Project Management
13 64 (6.16%) Continuous Integration
14 61 (5.87%) OO
15 60 (5.77%) ITIL
16 56 (5.39%) Requirements Gathering
17 55 (5.29%) Analytics
17 55 (5.29%) Risk Management
17 55 (5.29%) Validation
18 51 (4.91%) Infrastructure as Code
Programming Languages
1 343 (33.01%) C++
2 242 (23.29%) Python
3 241 (23.20%) Java
4 128 (12.32%) SQL
5 97 (9.34%) JavaScript
6 93 (8.95%) C#
7 75 (7.22%) Embedded C
8 67 (6.45%) PowerShell
9 56 (5.39%) Bash Shell
10 42 (4.04%) Perl
11 39 (3.75%) Embedded C++
12 36 (3.46%) Shell Script
13 25 (2.41%) Ruby
14 24 (2.31%) TypeScript
15 23 (2.21%) MATLAB
15 23 (2.21%) VB
16 21 (2.02%) Go
16 21 (2.02%) T-SQL
17 18 (1.73%) PHP
18 15 (1.44%) Assembly Language
Qualifications
1 212 (20.40%) Security Cleared
2 153 (14.73%) Degree
3 149 (14.34%) SC Cleared
4 72 (6.93%) DV Cleared
5 36 (3.46%) PMI Certification
6 30 (2.89%) Cisco Certification
7 24 (2.31%) Computer Science Degree
8 22 (2.12%) CISSP
9 19 (1.83%) Microsoft Certification
10 12 (1.15%) SANS
11 11 (1.06%) BPSS Clearance
12 10 (0.96%) CCNA
12 10 (0.96%) CREST Certified
13 9 (0.87%) PMP
14 8 (0.77%) CCNP
14 8 (0.77%) Master's Degree
15 6 (0.58%) TOGAF Certification
16 5 (0.48%) PRINCE2 Practitioner
17 4 (0.38%) CCDP
18 3 (0.29%) CCIE
Quality Assurance & Compliance
1 41 (3.95%) GDPR
2 29 (2.79%) PMBOK
3 21 (2.02%) QA
4 16 (1.54%) DO-178B
5 14 (1.35%) SLA
6 13 (1.25%) PMO
7 12 (1.15%) NCSC
8 10 (0.96%) Data Quality
9 8 (0.77%) MISRA
10 7 (0.67%) JTAG
11 6 (0.58%) IEC 61508
12 3 (0.29%) GRC
12 3 (0.29%) ISO 26262
12 3 (0.29%) ISO/IEC 27001
12 3 (0.29%) MISRA C
12 3 (0.29%) NIST
13 2 (0.19%) Accessibility
13 2 (0.19%) DO-254
13 2 (0.19%) HIPAA
13 2 (0.19%) HMG Security Policy Framework
System Software
1 66 (6.35%) Active Directory
2 63 (6.06%) Docker
3 46 (4.43%) VMware Infrastructure
4 29 (2.79%) Firmware
5 23 (2.21%) VMware NSX
6 17 (1.64%) Virtual Machines
6 17 (1.64%) vSphere
7 15 (1.44%) Microsoft App-V
8 7 (0.67%) HDFS
8 7 (0.67%) iptables
9 6 (0.58%) VirtualBox
10 5 (0.48%) KVM
10 5 (0.48%) Virtual Servers
11 4 (0.38%) Xen
12 3 (0.29%) NFS
12 3 (0.29%) RACF
13 2 (0.19%) Terminal Server
13 2 (0.19%) Virtual Desktop
13 2 (0.19%) VMware ESXi
14 1 (0.096%) VMFS
Systems Management
1 70 (6.74%) Kubernetes
2 62 (5.97%) Terraform
3 39 (3.75%) Ansible
4 23 (2.21%) SCCM
5 21 (2.02%) Microsoft Intune
6 17 (1.64%) Cisco CUCM
7 12 (1.15%) Puppet
8 10 (0.96%) Active Directory Federation Services
8 10 (0.96%) vRealize
8 10 (0.96%) vRealize Orchestrator
9 9 (0.87%) HP Quality Center
9 9 (0.87%) Nessus
9 9 (0.87%) Single Sign-On
10 8 (0.77%) Microsoft Clustering
11 7 (0.67%) BMC PATROL
12 5 (0.48%) Nagios
12 5 (0.48%) Opscode Chef
12 5 (0.48%) Packer
12 5 (0.48%) ZABBIX
13 4 (0.38%) Hadoop YARN
Vendors
1 90 (8.66%) Microsoft
2 73 (7.03%) Oracle
3 49 (4.72%) VMware
4 44 (4.23%) Cisco
5 29 (2.79%) ION Trading
6 25 (2.41%) SAP
7 23 (2.21%) Red Hat
8 20 (1.92%) Atlassian
9 19 (1.83%) EMC
10 17 (1.64%) Google
10 17 (1.64%) IBM
11 15 (1.44%) HP
11 15 (1.44%) Ivanti
12 13 (1.25%) ESRI
12 13 (1.25%) Lumension
12 13 (1.25%) Sophos
13 10 (0.96%) Adobe
13 10 (0.96%) CheckPoint
13 10 (0.96%) Salesforce.com
14 9 (0.87%) Intel