Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
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
962 C job vacancies Nationwide