Period
to 29 July 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 29 July 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
29 Jul 2021
Same period 2020 Same period 2019
Rank 171 134 134
Rank change year-on-year -37 0 +37
Contract jobs citing C 905 610 1,678
As % of all contract jobs advertised in England 1.58% 1.87% 2.01%
As % of the Programming Languages category 3.90% 4.47% 4.68%
Number of daily rates quoted 538 379 870
10th Percentile £359 £328 £315
25th Percentile £413 £413 £375
Median daily rate (50th Percentile) £514 £500 £450
Median % change year-on-year +2.75% +11.11% -5.26%
75th Percentile £650 £575 £560
90th Percentile £725 £654 £663
UK median daily rate £525 £500 £450
% change year-on-year +5.00% +11.11% -5.26%
Number of hourly rates quoted 101 72 210
10th Percentile £18.33 £13.40 £37.61
25th Percentile £33.85 £22.00 £41.25
Median hourly rate £46.00 £45.00 £45.50
Median % change year-on-year +2.22% -1.10% +7.06%
75th Percentile £52.50 £50.00 £51.00
90th Percentile £60.00 £53.75 £53.75
UK median hourly rate £46.00 £45.00 £45.00
% 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 advertised in England with a requirement for coding skills.

All Programming Languages
England
Contract vacancies with a requirement for coding skills 23,216 13,647 35,858
As % of all contract IT jobs advertised in England 40.62% 41.80% 42.94%
Number of daily rates quoted 16,669 9,755 25,318
10th Percentile £350 £325 £325
25th Percentile £413 £413 £400
Median daily rate (50th Percentile) £518 £500 £480
Median % change year-on-year +3.53% +4.17% +1.05%
75th Percentile £625 £600 £575
90th Percentile £700 £688 £650
UK median daily rate £500 £500 £475
% change year-on-year - +5.26% +2.70%
Number of hourly rates quoted 409 243 590
10th Percentile £16.84 £15.35 £20.31
25th Percentile £25.00 £22.50 £34.25
Median hourly rate £42.81 £42.50 £45.00
Median % change year-on-year +0.73% -5.56% +9.76%
75th Percentile £55.00 £50.00 £51.25
90th Percentile £64.55 £60.00 £55.00
UK median hourly rate £42.50 £42.50 £44.96
% change year-on-year - -5.47% +11.01%

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 29 July 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 29 July 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 29 July 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 -34 410 £575 +5.50% 218
South West +9 154 £438 -12.06% 113
South East -1 138 £450 -2.70% 202
East of England -14 71 £410 -13.23% 135
Midlands -32 49 £433 -17.62% 128
West Midlands -19 42 £425 -19.05% 83
North of England -48 37 £425 -5.56% 204
Yorkshire -14 17 £344 -14.06% 63
North West -58 15 £425 -9.33% 107
East Midlands -21 7 £465 +3.33% 44
North East -3 5 £320 - 34
C
UK

For the 6 months to 29 July 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.

1 316 (34.92%) Agile Software Development
2 275 (30.39%) C++
3 220 (24.31%) Software Engineering
4 212 (23.43%) Java
5 203 (22.43%) Python
6 202 (22.32%) Security Cleared
7 185 (20.44%) Linux
8 171 (18.90%) Social Skills
9 142 (15.69%) SC Cleared
10 137 (15.14%) Finance
11 134 (14.81%) DevOps
12 126 (13.92%) SQL
13 112 (12.38%) Scrum
14 108 (11.93%) JIRA
15 105 (11.60%) Degree
16 104 (11.49%) Problem-Solving
17 103 (11.38%) Azure
18 93 (10.28%) SDLC
19 92 (10.17%) Stakeholder Management
19 92 (10.17%) AWS
20 91 (10.06%) Git (software)
21 89 (9.83%) C#
22 86 (9.50%) Microsoft
23 82 (9.06%) Telecoms
24 80 (8.84%) Windows
25 77 (8.51%) Test Automation
25 77 (8.51%) Jenkins
26 76 (8.40%) JavaScript
27 75 (8.29%) Project Delivery
28 74 (8.18%) Oracle

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 68 (7.51%) Confluence
2 28 (3.09%) SharePoint
3 14 (1.55%) Apache
4 13 (1.44%) Apache Spark
4 13 (1.44%) WebLogic
5 12 (1.33%) Tomcat
6 7 (0.77%) Oracle SOA Suite
7 6 (0.66%) ArcGIS
7 6 (0.66%) MS Exchange
7 6 (0.66%) Mule
8 5 (0.55%) CMS
8 5 (0.55%) SAP Portal
9 4 (0.44%) Elasticsearch
9 4 (0.44%) OpenStack
10 3 (0.33%) Apache Airflow
10 3 (0.33%) IIS
10 3 (0.33%) SAS
11 2 (0.22%) Apache Solr
11 2 (0.22%) Oracle Coherence
11 2 (0.22%) Skype for Business
Applications
1 25 (2.76%) Microsoft Office
2 21 (2.32%) Microsoft Excel
3 15 (1.66%) Simulink
4 8 (0.88%) Microsoft PowerPoint
5 7 (0.77%) MS Visio
5 7 (0.77%) Spreadsheet
6 5 (0.55%) Microsoft Project
7 4 (0.44%) Photoshop
8 3 (0.33%) Doxygen
9 2 (0.22%) SOLIDWORKS
9 2 (0.22%) SPSS
10 1 (0.11%) AutoCAD
10 1 (0.11%) FrameMaker
10 1 (0.11%) GNU Octave
10 1 (0.11%) Mathcad
10 1 (0.11%) TargetLink
Business Applications
1 16 (1.77%) ION MarketView
2 5 (0.55%) SAP Oil and Gas
2 5 (0.55%) SAP PSCD
2 5 (0.55%) Sparx Enterprise Architect
3 4 (0.44%) Sentinel
4 3 (0.33%) BASE24
4 3 (0.33%) Oracle Applications
4 3 (0.33%) SAP Hybris
4 3 (0.33%) SAP S/4HANA
5 2 (0.22%) Dynamics CRM
5 2 (0.22%) Oracle ERP
5 2 (0.22%) Payment Gateway
5 2 (0.22%) Primavera
5 2 (0.22%) SAP CO
5 2 (0.22%) SAP FI
5 2 (0.22%) SAP FI/CO
5 2 (0.22%) SAP MDG
5 2 (0.22%) Teamcenter
5 2 (0.22%) Workday HCM
6 1 (0.11%) Oracle EBS
Cloud Services
1 103 (11.38%) Azure
2 92 (10.17%) AWS
3 31 (3.43%) Microsoft 365
4 26 (2.87%) GCP
5 23 (2.54%) GitHub
6 22 (2.43%) SaaS
7 21 (2.32%) AWS CloudFormation
7 21 (2.32%) Azure Active Directory
7 21 (2.32%) Power Platform
8 20 (2.21%) PaaS
9 13 (1.44%) Serverless
10 12 (1.33%) IaaS
11 10 (1.10%) OpenShift
12 9 (0.99%) OneDrive
13 7 (0.77%) Amazon ElastiCache
14 6 (0.66%) Azure Cosmos DB
14 6 (0.66%) Cloud Computing
15 5 (0.55%) AWS CodeCommit
16 4 (0.44%) Azure Functions
16 4 (0.44%) Azure Logic Apps
Communications & Networking
1 46 (5.08%) 5G
2 42 (4.64%) 2G
2 42 (4.64%) GSM
3 41 (4.53%) MVNO
4 33 (3.65%) Packet Switching
4 33 (3.65%) Wi-Fi
5 26 (2.87%) Wireless
6 22 (2.43%) DNS
6 22 (2.43%) Ethernet
7 21 (2.32%) Internet
8 19 (2.10%) DHCP
9 18 (1.99%) IPv4
10 17 (1.88%) Bluetooth
10 17 (1.88%) Firewall
11 16 (1.77%) TCP/IP
12 12 (1.33%) IPv6
13 10 (1.10%) LAN
13 10 (1.10%) Unified Communications
13 10 (1.10%) VPN
14 9 (0.99%) FTP
Database & Business Intelligence
1 31 (3.43%) SQL Server
2 29 (3.20%) PostgreSQL
3 23 (2.54%) Big Data
4 22 (2.43%) MySQL
4 22 (2.43%) NoSQL
5 21 (2.32%) Power BI
6 19 (2.10%) Oracle Database
7 18 (1.99%) MongoDB
8 15 (1.66%) Relational Database
9 14 (1.55%) GIS
10 11 (1.22%) Data Warehouse
11 10 (1.10%) Hadoop
12 9 (0.99%) BusinessObjects
13 8 (0.88%) Amazon RDS
13 8 (0.88%) Apache Cassandra
13 8 (0.88%) Metadata
14 7 (0.77%) HBase
14 7 (0.77%) Oracle Database 12c
14 7 (0.77%) SQL Server Integration Services
14 7 (0.77%) Tableau
Development Applications
1 108 (11.93%) JIRA
2 91 (10.06%) Git (software)
3 77 (8.51%) Jenkins
4 26 (2.87%) Selenium
5 24 (2.65%) Maven
5 24 (2.65%) Rational DOORS
6 22 (2.43%) Visual Studio
7 21 (2.32%) GitLab
8 20 (2.21%) Eclipse
9 18 (1.99%) Cucumber
10 17 (1.88%) Atlassian Bamboo
10 17 (1.88%) ProC
10 17 (1.88%) Subversion
11 16 (1.77%) GDB
11 16 (1.77%) Rational Rhapsody
12 14 (1.55%) Bitbucket
13 13 (1.44%) CircleCI
14 11 (1.22%) JUnit
14 11 (1.22%) TestRail
15 10 (1.10%) LoadRunner
General
1 171 (18.90%) Social Skills
2 137 (15.14%) Finance
3 82 (9.06%) Telecoms
4 62 (6.85%) Analytical Skills
5 43 (4.75%) Electronics
5 43 (4.75%) Law
6 37 (4.09%) Banking
6 37 (4.09%) Public Sector
7 31 (3.43%) Aerospace
8 23 (2.54%) Presentation Skills
9 22 (2.43%) Automotive
10 18 (1.99%) Investment Banking
11 17 (1.88%) Marketing
12 16 (1.77%) Manufacturing
13 15 (1.66%) Legal
14 14 (1.55%) Military
15 13 (1.44%) Local Government
16 11 (1.22%) Retail
17 10 (1.10%) Avionics
18 9 (0.99%) Digital Economy
Job Titles
1 200 (22.10%) Developer
2 163 (18.01%) Software Engineer
3 103 (11.38%) Embedded Engineer
4 94 (10.39%) Embedded Software Engineer
5 80 (8.84%) Analyst
6 64 (7.07%) Architect
7 43 (4.75%) C Software Engineer
7 43 (4.75%) Java Developer
8 42 (4.64%) C Developer
9 39 (4.31%) Project Manager
10 37 (4.09%) Business Analyst
11 36 (3.98%) Senior Developer
12 33 (3.65%) DevOps Engineer
12 33 (3.65%) Embedded C Engineer
13 30 (3.31%) Embedded C Software Engineer
14 29 (3.20%) Consultant
15 28 (3.09%) C++ Software Engineer
16 24 (2.65%) C# Developer
17 23 (2.54%) C++ Developer
18 21 (2.32%) C/C++ Software Engineer
Libraries, Frameworks & Software Standards
1 42 (4.64%) HTML
1 42 (4.64%) Web Services
1 42 (4.64%) XML
2 37 (4.09%) RESTful
3 36 (3.98%) Spring
4 35 (3.87%) .NET
4 35 (3.87%) AngularJS
5 33 (3.65%) Node.js
6 30 (3.31%) Kafka
7 29 (3.20%) REST
8 28 (3.09%) React
9 27 (2.98%) JSON
10 22 (2.43%) J2EE
11 21 (2.32%) CSS
12 20 (2.21%) Middleware
13 19 (2.10%) JNI
14 14 (1.55%) SOAP
15 13 (1.44%) Hibernate
16 12 (1.33%) .NET Core
16 12 (1.33%) Gherkin
Miscellaneous
1 36 (3.98%) Embedded Systems
2 31 (3.43%) Self-Motivation
3 27 (2.98%) Management Information System
4 26 (2.87%) User Experience
5 21 (2.32%) PMI
5 21 (2.32%) Virtual Team
6 20 (2.21%) Data Centre
7 18 (1.99%) Algorithms
8 16 (1.77%) Cloud Native
9 15 (1.66%) VHDL
10 14 (1.55%) Device Driver
10 14 (1.55%) Field-Programmable Gate Array
11 13 (1.44%) Verilog
12 12 (1.33%) Fixed Income
13 10 (1.10%) CAN bus
14 9 (0.99%) Foreign Exchange (FX)
15 8 (0.88%) Client/Server
15 8 (0.88%) Hybrid Cloud
15 8 (0.88%) Legacy Systems
15 8 (0.88%) Linux Command Line
Operating Systems
1 185 (20.44%) Linux
2 80 (8.84%) Windows
3 62 (6.85%) Unix
4 35 (3.87%) Embedded Linux
5 28 (3.09%) Android
6 22 (2.43%) Windows 10
7 20 (2.21%) Red Hat Enterprise Linux
8 15 (1.66%) Apple iOS
9 14 (1.55%) Windows Server
10 13 (1.44%) OpenWrt
11 12 (1.33%) CentOS
11 12 (1.33%) Windows Server 2012
12 11 (1.22%) FreeRTOS
12 11 (1.22%) Windows Server 2008
13 10 (1.10%) Windows Server 2016
14 7 (0.77%) Solaris
14 7 (0.77%) Windows 7
15 6 (0.66%) Ubuntu
16 5 (0.55%) VMS
17 4 (0.44%) VxWorks
Processes & Methodologies
1 316 (34.92%) Agile Software Development
2 220 (24.31%) Software Engineering
3 134 (14.81%) DevOps
4 112 (12.38%) Scrum
5 104 (11.49%) Problem-Solving
6 93 (10.28%) SDLC
7 92 (10.17%) Stakeholder Management
8 77 (8.51%) Test Automation
9 75 (8.29%) Project Delivery
10 66 (7.29%) Configuration Management
11 57 (6.30%) Continuous Integration
12 56 (6.19%) Project Management
13 55 (6.08%) Validation
14 51 (5.64%) Analytics
14 51 (5.64%) Business Intelligence
15 49 (5.41%) Computer Science
16 47 (5.19%) Data Modelling
16 47 (5.19%) Embedded Software Development
17 44 (4.86%) OO
17 44 (4.86%) Test Strategy
Programming Languages
1 275 (30.39%) C++
2 212 (23.43%) Java
3 203 (22.43%) Python
4 126 (13.92%) SQL
5 89 (9.83%) C#
6 76 (8.40%) JavaScript
7 66 (7.29%) Embedded C
8 57 (6.30%) PowerShell
9 40 (4.42%) Bash Shell
9 40 (4.42%) Shell Script
10 39 (4.31%) Perl
11 38 (4.20%) Embedded C++
12 23 (2.54%) Go
13 21 (2.32%) MATLAB
13 21 (2.32%) PHP
14 20 (2.21%) Ada
14 20 (2.21%) PL/SQL
15 19 (2.10%) Assembly Language
16 14 (1.55%) Ruby
16 14 (1.55%) TypeScript
Qualifications
1 202 (22.32%) Security Cleared
2 142 (15.69%) SC Cleared
3 105 (11.60%) Degree
4 66 (7.29%) DV Cleared
5 22 (2.43%) PMI Certification
6 12 (1.33%) Cisco Certification
7 11 (1.22%) Microsoft Certification
8 8 (0.88%) BPSS Clearance
8 8 (0.88%) CISSP
9 7 (0.77%) TOGAF Certification
10 5 (0.55%) CCNA
10 5 (0.55%) Chartered Engineer
10 5 (0.55%) Computer Science Degree
10 5 (0.55%) PMP
10 5 (0.55%) PRINCE2 Practitioner
11 4 (0.44%) HND
11 4 (0.44%) Master's Degree
11 4 (0.44%) Numerate Degree
12 3 (0.33%) CESG Certified Professional
12 3 (0.33%) MCSE
Quality Assurance & Compliance
1 23 (2.54%) DO-178B
1 23 (2.54%) GDPR
2 17 (1.88%) PMBOK
3 16 (1.77%) QA
4 11 (1.22%) PMO
5 9 (0.99%) SLA
6 7 (0.77%) Data Quality
6 7 (0.77%) MISRA
7 6 (0.66%) JTAG
8 5 (0.55%) IEC 61508
8 5 (0.55%) ISO/IEC 27001
9 3 (0.33%) HMG Security Policy Framework
9 3 (0.33%) MISRA C
10 2 (0.22%) DO-254
10 2 (0.22%) GRC
10 2 (0.22%) HIPAA
10 2 (0.22%) ISO/IEC 20000
10 2 (0.22%) NCSC
10 2 (0.22%) NIST
10 2 (0.22%) Sarbanes-Oxley
System Software
1 60 (6.63%) Docker
2 55 (6.08%) Active Directory
3 26 (2.87%) Firmware
4 24 (2.65%) VMware Infrastructure
5 12 (1.33%) Microsoft App-V
6 10 (1.10%) Virtual Machines
7 6 (0.66%) HDFS
7 6 (0.66%) iptables
8 4 (0.44%) KVM
8 4 (0.44%) VMware NSX
8 4 (0.44%) Xen
9 3 (0.33%) RACF
10 2 (0.22%) EMC RecoverPoint
10 2 (0.22%) SRDF
10 2 (0.22%) Virtual Desktop
10 2 (0.22%) Virtual Servers
10 2 (0.22%) VirtualBox
11 1 (0.11%) Hyper-V
11 1 (0.11%) VMware ESXi
11 1 (0.11%) vSphere
Systems Management
1 58 (6.41%) Kubernetes
2 42 (4.64%) Ansible
3 41 (4.53%) Terraform
4 21 (2.32%) SCCM
5 15 (1.66%) Microsoft Intune
6 14 (1.55%) Puppet
7 13 (1.44%) HP Quality Center
8 7 (0.77%) Active Directory Federation Services
9 6 (0.66%) Opscode Chef
9 6 (0.66%) Single Sign-On
10 4 (0.44%) Cisco CUCM
10 4 (0.44%) HP ALM
11 3 (0.33%) Control-M
11 3 (0.33%) Hadoop YARN
11 3 (0.33%) Kibana
11 3 (0.33%) MIIS
11 3 (0.33%) Prometheus
11 3 (0.33%) Salt
12 2 (0.22%) Ambari
12 2 (0.22%) Cisco UCCX
Vendors
1 86 (9.50%) Microsoft
2 74 (8.18%) Oracle
3 31 (3.43%) SAP
4 29 (3.20%) Atlassian
5 28 (3.09%) HP
6 25 (2.76%) VMware
7 20 (2.21%) EMC
8 19 (2.10%) IBM
8 19 (2.10%) Red Hat
9 17 (1.88%) Cisco
10 16 (1.77%) ION Trading
11 13 (1.44%) webMethods
12 12 (1.33%) Google
12 12 (1.33%) Ivanti
13 10 (1.10%) Adobe
14 9 (0.99%) BEA
14 9 (0.99%) Pega
15 7 (0.77%) MuleSoft
15 7 (0.77%) SolarWinds
15 7 (0.77%) Splunk