Period
to 20 April 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 20 April 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
20 Apr 2021
Same period 2020 Same period 2019
Rank 157 134 165
Rank change year-on-year -23 +31 +12
Contract jobs citing C 899 1,095 1,644
As % of all contract jobs advertised in the UK 1.68% 1.91% 1.72%
As % of the Programming Languages category 4.14% 4.70% 4.00%
Number of daily rates quoted 518 662 856
10th Percentile £313 £325 £305
25th Percentile £400 £400 £357
Median daily rate (50th Percentile) £500 £467 £439
Median % change year-on-year +7.18% +6.32% -7.63%
75th Percentile £575 £550 £560
90th Percentile £688 £613 £672
UK excluding London median daily rate £425 £450 £400
% change year-on-year -5.56% +12.50% -5.88%
Number of hourly rates quoted 129 125 185
10th Percentile £11.17 £20.50 £26.75
25th Percentile £22.50 £38.50 £40.25
Median hourly rate £42.50 £47.50 £45.00
Median % change year-on-year -10.53% +5.56% +9.76%
75th Percentile £50.00 £50.00 £48.75
90th Percentile £58.75 £52.50 £52.50
UK excluding London median hourly rate £42.50 £46.50 £45.00
% change year-on-year -8.60% +3.33% +9.76%

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 21,714 23,281 41,061
As % of all contract IT jobs advertised in the UK 40.54% 40.54% 42.90%
Number of daily rates quoted 15,278 16,374 28,987
10th Percentile £325 £325 £325
25th Percentile £400 £400 £394
Median daily rate (50th Percentile) £500 £480 £475
Median % change year-on-year +4.11% +1.11% +2.70%
75th Percentile £588 £575 £575
90th Percentile £675 £650 £650
UK excluding London median daily rate £425 £445 £425
% change year-on-year -4.49% +4.71% +6.12%
Number of hourly rates quoted 460 437 642
10th Percentile £15.46 £17.21 £17.08
25th Percentile £25.00 £22.25 £24.25
Median hourly rate £42.50 £43.50 £42.50
Median % change year-on-year -2.30% +2.35% +6.25%
75th Percentile £50.81 £50.00 £48.75
90th Percentile £61.33 £57.50 £53.75
UK excluding London median hourly rate £40.00 £42.50 £42.75
% change year-on-year -5.88% -0.58% +6.88%

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 20 April 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 20 April 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 20 April 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 -37 727 £500 +5.82% 851
UK excluding London -23 430 £425 -5.56% 774
London +1 303 £550 +5.01% 166
Work from Home -66 255 £550 +40.13% 144
South East +14 128 £431 -4.17% 180
South West -13 100 £500 +4.17% 110
East of England -3 66 £500 +11.11% 114
North of England +24 48 £350 -3.11% 156
Midlands -5 42 £405 -19.00% 127
West Midlands -7 39 £405 -19.00% 80
Scotland +12 30 £504 -0.93% 69
Yorkshire +41 21 £338 -1.82% 58
North West -11 16 £425 +15.49% 77
North East +30 11 £160 -55.56% 21
Northern Ireland +12 8 £277 -30.69% 5
Wales +6 8 £418 +11.33% 16
East Midlands +8 3 - - 46

For the 6 months to 20 April 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.

1 256 (28.48%) Agile Software Development
2 222 (24.69%) Security Cleared
3 221 (24.58%) C++
4 185 (20.58%) Python
5 184 (20.47%) Software Engineering
6 167 (18.58%) Java
7 162 (18.02%) Linux
8 157 (17.46%) SC Cleared
9 137 (15.24%) SQL
10 116 (12.90%) AWS
11 103 (11.46%) Problem-Solving
12 97 (10.79%) DevOps
12 97 (10.79%) Scrum
13 96 (10.68%) Azure
13 96 (10.68%) JIRA
14 95 (10.57%) Finance
15 83 (9.23%) Oracle
16 80 (8.90%) Git (software)
17 78 (8.68%) Microsoft
18 74 (8.23%) DV Cleared
18 74 (8.23%) Degree
19 73 (8.12%) Data Modelling
20 72 (8.01%) C#
20 72 (8.01%) Windows
21 69 (7.68%) Test Automation
22 68 (7.56%) Business Intelligence
23 66 (7.34%) Continuous Integration
24 65 (7.23%) Kubernetes
25 63 (7.01%) Analytical Skills
26 61 (6.79%) Jenkins

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 49 (5.45%) Confluence
2 18 (2.00%) SharePoint
3 16 (1.78%) WebLogic
4 10 (1.11%) Apache
5 9 (1.00%) SAP Portal
6 8 (0.89%) ArcGIS
7 6 (0.67%) Apache Spark
8 5 (0.56%) Elasticsearch
8 5 (0.56%) Tomcat
9 4 (0.44%) MS Exchange
9 4 (0.44%) Oracle SOA Suite
9 4 (0.44%) SAS
10 3 (0.33%) JBoss
11 2 (0.22%) Exchange Server 2007
11 2 (0.22%) Exchange Server 2013
11 2 (0.22%) MQSeries
11 2 (0.22%) Mule
11 2 (0.22%) OpenStack
11 2 (0.22%) Red Hat Fuse
11 2 (0.22%) Skype for Business
Applications
1 35 (3.89%) Microsoft Office
2 21 (2.34%) Microsoft Excel
3 9 (1.00%) Microsoft PowerPoint
3 9 (1.00%) Photoshop
3 9 (1.00%) Simulink
4 8 (0.89%) MS Visio
5 7 (0.78%) Spreadsheet
6 2 (0.22%) Microsoft Project
7 1 (0.11%) Adobe Creative Suite
7 1 (0.11%) Adobe Illustrator
7 1 (0.11%) AutoCAD
7 1 (0.11%) Chatbot
7 1 (0.11%) GNU Octave
7 1 (0.11%) SOLIDWORKS
7 1 (0.11%) TargetLink
Business Applications
1 9 (1.00%) SAP PSCD
2 7 (0.78%) SAP CO
2 7 (0.78%) SAP FI
2 7 (0.78%) SAP FI/CO
3 4 (0.44%) SAP S/4HANA
4 3 (0.33%) Dynamics CRM
4 3 (0.33%) Lorenzo
4 3 (0.33%) Oracle Applications
4 3 (0.33%) SAP Hybris
4 3 (0.33%) Sparx Enterprise Architect
5 2 (0.22%) ION MarketView
5 2 (0.22%) Primavera
6 1 (0.11%) Cerner Millennium
6 1 (0.11%) Dynamics AX
6 1 (0.11%) Dynamics GP
6 1 (0.11%) Oracle BPM
6 1 (0.11%) Oracle ERP
6 1 (0.11%) Oracle Retail
6 1 (0.11%) SAP Business One
6 1 (0.11%) Summit
Cloud Services
1 116 (12.90%) AWS
2 96 (10.68%) Azure
3 32 (3.56%) GitHub
4 23 (2.56%) Microsoft 365
4 23 (2.56%) Power Platform
5 19 (2.11%) Amazon ElastiCache
6 12 (1.33%) GCP
6 12 (1.33%) SaaS
7 11 (1.22%) Serverless
8 10 (1.11%) PaaS
9 9 (1.00%) AWS Lambda
9 9 (1.00%) Azure Active Directory
10 8 (0.89%) IaaS
10 8 (0.89%) OpenShift
11 7 (0.78%) AWS CloudFormation
12 6 (0.67%) PowerApps
13 4 (0.44%) Azure Synapse Analytics
14 3 (0.33%) Amazon Cognito
14 3 (0.33%) Amazon EKS
14 3 (0.33%) Power Automate
Communications & Networking
1 34 (3.78%) Wi-Fi
2 19 (2.11%) DHCP
2 19 (2.11%) Wireless
3 18 (2.00%) TCP/IP
4 16 (1.78%) DNS
4 16 (1.78%) Internet
4 16 (1.78%) IPv6
5 14 (1.56%) Bluetooth
5 14 (1.56%) FTP
5 14 (1.56%) VoIP
6 13 (1.45%) Broadband
6 13 (1.45%) RS-485
7 11 (1.22%) DECT
7 11 (1.22%) Multicast
7 11 (1.22%) UPnP
8 10 (1.11%) 5G
8 10 (1.11%) WAN
9 9 (1.00%) HTTP
9 9 (1.00%) SNMP
10 8 (0.89%) PPP
Database & Business Intelligence
1 32 (3.56%) SQL Server
2 28 (3.11%) PostgreSQL
3 22 (2.45%) Power BI
4 21 (2.34%) Amazon RDS
5 20 (2.22%) Big Data
6 18 (2.00%) MySQL
7 15 (1.67%) MongoDB
8 14 (1.56%) Data Warehouse
8 14 (1.56%) GIS
9 11 (1.22%) Hadoop
9 11 (1.22%) Oracle Database
9 11 (1.22%) Relational Database
10 10 (1.11%) BusinessObjects
11 9 (1.00%) NoSQL
11 9 (1.00%) Tableau
12 8 (0.89%) SQL Server Integration Services
13 7 (0.78%) SQL Server Reporting Services
14 6 (0.67%) Electronic Patient Records
15 5 (0.56%) Oracle ODI
16 4 (0.44%) Enterprise Data Warehouse
Development Applications
1 96 (10.68%) JIRA
2 80 (8.90%) Git (software)
3 61 (6.79%) Jenkins
4 33 (3.67%) GitLab
5 22 (2.45%) GDB
5 22 (2.45%) LoadRunner
5 22 (2.45%) Maven
6 21 (2.34%) ProC
6 21 (2.34%) Subversion
7 19 (2.11%) Rational Rhapsody
7 19 (2.11%) Selenium
7 19 (2.11%) Visual Studio
8 14 (1.56%) Atlassian Bamboo
8 14 (1.56%) Cucumber
9 13 (1.45%) CA Gen
9 13 (1.45%) CircleCI
10 12 (1.33%) JMeter
11 10 (1.11%) JUnit
12 9 (1.00%) Eclipse
12 9 (1.00%) Xcode
General
1 95 (10.57%) Finance
2 61 (6.79%) Telecoms
3 52 (5.78%) Electronics
4 45 (5.01%) Law
5 40 (4.45%) Banking
6 39 (4.34%) Public Sector
7 27 (3.00%) Aerospace
8 24 (2.67%) Investment Banking
8 24 (2.67%) Marketing
9 18 (2.00%) Manufacturing
10 13 (1.45%) Local Government
11 12 (1.33%) Retail
12 11 (1.22%) Back Office
13 10 (1.11%) Games
13 10 (1.11%) Legal
14 9 (1.00%) Automotive
14 9 (1.00%) Military
15 5 (0.56%) Front Office
15 5 (0.56%) Police
16 4 (0.44%) Avionics
Job Titles
1 204 (22.69%) Developer
2 126 (14.02%) Software Engineer
3 78 (8.68%) Analyst
3 78 (8.68%) Embedded Engineer
4 68 (7.56%) Embedded Software Engineer
5 66 (7.34%) Architect
6 47 (5.23%) C Developer
7 42 (4.67%) Business Analyst
8 39 (4.34%) C++ Developer
9 37 (4.12%) Consultant
10 34 (3.78%) C Software Engineer
11 32 (3.56%) Senior Developer
12 28 (3.11%) Data Engineer
12 28 (3.11%) Project Manager
13 26 (2.89%) Java Developer
13 26 (2.89%) Support Engineer
14 25 (2.78%) Python Engineer
15 24 (2.67%) C++ Software Engineer
15 24 (2.67%) Senior Analyst
16 23 (2.56%) Project Analyst
Libraries, Frameworks & Software Standards
1 37 (4.12%) .NET
2 32 (3.56%) Kafka
3 31 (3.45%) HTML
3 31 (3.45%) XML
4 28 (3.11%) REST
5 26 (2.89%) Web Services
6 25 (2.78%) React
6 25 (2.78%) Spring
7 24 (2.67%) AngularJS
8 21 (2.34%) Node.js
9 20 (2.22%) JSON
10 19 (2.11%) Celery
11 18 (2.00%) Hibernate
12 17 (1.89%) J2EE
13 16 (1.78%) Middleware
14 15 (1.67%) CSS
14 15 (1.67%) HTML5
14 15 (1.67%) RESTful
15 13 (1.45%) SOAP
16 11 (1.22%) .NET Core
Miscellaneous
1 63 (7.01%) Analytical Skills
2 39 (4.34%) Embedded Systems
3 24 (2.67%) Self-Motivation
4 19 (2.11%) Algorithms
4 19 (2.11%) User Experience
5 17 (1.89%) Field-Programmable Gate Array
5 17 (1.89%) Management Information System
5 17 (1.89%) Virtual Team
6 14 (1.56%) Device Driver
6 14 (1.56%) NHS
7 13 (1.45%) Foreign Exchange (FX)
8 12 (1.33%) Data Structures
9 11 (1.22%) Enterprise Software
10 10 (1.11%) Organisational Skills
10 10 (1.11%) VHDL
11 9 (1.00%) Analytical Mindset
11 9 (1.00%) Data Centre
11 9 (1.00%) Mainframe
11 9 (1.00%) Social Media
11 9 (1.00%) Video Conferencing
Operating Systems
1 162 (18.02%) Linux
2 72 (8.01%) Windows
3 54 (6.01%) Unix
4 31 (3.45%) Embedded Linux
5 27 (3.00%) Android
6 23 (2.56%) Apple iOS
6 23 (2.56%) Windows 10
7 22 (2.45%) Windows Server 2012
8 20 (2.22%) Windows Server
9 19 (2.11%) OpenWrt
9 19 (2.11%) Red Hat Enterprise Linux
10 16 (1.78%) Windows 7
10 16 (1.78%) Windows Server 2016
11 14 (1.56%) Windows Server 2008
12 11 (1.22%) CentOS
13 8 (0.89%) Windows Server 2019
14 7 (0.78%) Mac OS
14 7 (0.78%) Ubuntu
15 5 (0.56%) Windows 8
16 4 (0.44%) VMS
Processes & Methodologies
1 256 (28.48%) Agile Software Development
2 184 (20.47%) Software Engineering
3 103 (11.46%) Problem-Solving
4 97 (10.79%) DevOps
4 97 (10.79%) Scrum
5 73 (8.12%) Data Modelling
6 69 (7.68%) Test Automation
7 68 (7.56%) Business Intelligence
8 66 (7.34%) Continuous Integration
9 58 (6.45%) Analytics
10 56 (6.23%) TDD
11 53 (5.90%) Stakeholder Management
12 52 (5.78%) Configuration Management
12 52 (5.78%) Test Strategy
13 50 (5.56%) Requirements Gathering
14 48 (5.34%) Software Testing
15 47 (5.23%) Migration
16 46 (5.12%) Project Management
17 42 (4.67%) Change Management
17 42 (4.67%) ITIL
Programming Languages
1 221 (24.58%) C++
2 185 (20.58%) Python
3 167 (18.58%) Java
4 137 (15.24%) SQL
5 72 (8.01%) C#
6 61 (6.79%) Embedded C
6 61 (6.79%) JavaScript
7 39 (4.34%) Bash Shell
8 37 (4.12%) Shell Script
9 35 (3.89%) Perl
9 35 (3.89%) PowerShell
10 34 (3.78%) PL/SQL
11 26 (2.89%) Embedded C++
12 22 (2.45%) Ada
13 20 (2.22%) COBOL
14 19 (2.11%) Scala
15 18 (2.00%) Ruby
15 18 (2.00%) VB
16 14 (1.56%) Apple Swift
17 13 (1.45%) TypeScript
Qualifications
1 222 (24.69%) Security Cleared
2 157 (17.46%) SC Cleared
3 74 (8.23%) Degree
3 74 (8.23%) DV Cleared
4 15 (1.67%) Microsoft Certification
5 11 (1.22%) Cisco Certification
6 9 (1.00%) BPSS Clearance
7 8 (0.89%) Computer Science Degree
7 8 (0.89%) PMI Certification
8 6 (0.67%) PMP
9 5 (0.56%) A+ Certification
9 5 (0.56%) Chartered Engineer
10 4 (0.44%) HNC
10 4 (0.44%) Numerate Degree
11 3 (0.33%) APMP
11 3 (0.33%) BC Cleared
11 3 (0.33%) CISSP
11 3 (0.33%) ISTQB
11 3 (0.33%) ITIL Certification
11 3 (0.33%) Master's Degree
Quality Assurance & Compliance
1 44 (4.89%) QA
2 14 (1.56%) SLA
3 12 (1.33%) JTAG
4 11 (1.22%) DO-178B
5 10 (1.11%) ISO/IEC 27001
6 8 (0.89%) GDPR
7 6 (0.67%) Data Quality
7 6 (0.67%) MISRA
7 6 (0.67%) PMO
8 4 (0.44%) ISO 26262
9 3 (0.33%) PMBOK
10 2 (0.22%) Actionable Recommendations
10 2 (0.22%) ECSS
10 2 (0.22%) HL7
10 2 (0.22%) HMG Security Policy Framework
10 2 (0.22%) ISO 9001
10 2 (0.22%) ISO/IEC 20000
10 2 (0.22%) MISRA C
10 2 (0.22%) NCSC
10 2 (0.22%) NIST
System Software
1 49 (5.45%) Docker
2 31 (3.45%) Active Directory
3 22 (2.45%) VMware Infrastructure
4 18 (2.00%) Firmware
5 14 (1.56%) VMware NSX
6 5 (0.56%) NFS
6 5 (0.56%) VMware ESXi
7 4 (0.44%) Ceph
7 4 (0.44%) Microcode
7 4 (0.44%) Virtual Machines
8 3 (0.33%) HDFS
8 3 (0.33%) Xen
9 2 (0.22%) EMC RecoverPoint
9 2 (0.22%) Oracle RAC
9 2 (0.22%) qmail
9 2 (0.22%) SRDF
9 2 (0.22%) Veritas Cluster Server
9 2 (0.22%) Veritas Volume Manager
9 2 (0.22%) vSphere
9 2 (0.22%) XenApp
Systems Management
1 65 (7.23%) Kubernetes
2 40 (4.45%) Ansible
3 23 (2.56%) Terraform
4 9 (1.00%) HP Quality Center
4 9 (1.00%) Puppet
5 8 (0.89%) HP ALM
6 7 (0.78%) Opscode Chef
7 6 (0.67%) Hadoop YARN
7 6 (0.67%) Kibana
7 6 (0.67%) Prometheus
7 6 (0.67%) vCenter Server
8 5 (0.56%) Computer Emergency Response Teams
8 5 (0.56%) Salt
8 5 (0.56%) SELinux
9 4 (0.44%) Grafana
9 4 (0.44%) vRealize Orchestrator
10 3 (0.33%) Mesos
10 3 (0.33%) MIIS
10 3 (0.33%) SCCM
11 2 (0.22%) NetBackup
Vendors
1 83 (9.23%) Oracle
2 78 (8.68%) Microsoft
3 38 (4.23%) SAP
4 25 (2.78%) Atlassian
4 25 (2.78%) HP
5 23 (2.56%) Cisco
6 22 (2.45%) VMware
7 21 (2.34%) webMethods
8 17 (1.89%) Red Hat
9 16 (1.78%) IBM
10 14 (1.56%) Google
11 12 (1.33%) BEA
11 12 (1.33%) EMC
11 12 (1.33%) Pega
12 11 (1.22%) Adobe
13 10 (1.11%) Citrix
14 9 (1.00%) Xilinx
15 8 (0.89%) Apple
15 8 (0.89%) Lumension
15 8 (0.89%) SolarWinds