Period
to 3 August 2020

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 3 August 2020 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
3 Aug 2020
Same period 2019 Same period 2018
Rank 127 139 174
Rank change year-on-year +12 +35 -24
Contract jobs citing C 682 1,777 1,677
As % of all contract jobs advertised in the UK 1.89% 1.93% 1.62%
As % of the Programming Languages category 4.60% 4.55% 3.68%
Number of daily rates quoted 392 925 924
Median daily rate £500 £450 £475
Median daily rate % change year-on-year +11.11% -5.26% +8.82%
10th Percentile £350 £318 £311
90th Percentile £688 £663 £672
UK excluding London median daily rate £475 £440 £413
% change year-on-year +7.95% +6.67% +3.13%
Number of hourly rates quoted 88 231 209
Median hourly rate £45.00 £45.00 £42.50
Median hourly rate % change year-on-year - +5.88% -
10th Percentile £15.28 £37.50 £20.20
90th Percentile £53.75 £53.75 £50.00
UK excluding London median hourly rate £45.00 £45.00 £42.50
% change year-on-year - +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 with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 14,834 39,061 45,588
As % of all contract IT jobs advertised in the UK 41.17% 42.48% 44.01%
Number of daily rates quoted 9,833 27,006 31,929
Median daily rate £500 £475 £463
Median daily rate % change year-on-year +5.26% +2.70% +2.78%
10th Percentile £325 £325 £313
90th Percentile £681 £650 £638
UK excluding London median daily rate £450 £425 £413
% change year-on-year +5.88% +3.03% +3.13%
Number of hourly rates quoted 365 709 752
Median hourly rate £35.00 £44.00 £40.50
Median hourly rate % change year-on-year -20.45% +8.64% -
10th Percentile £17.75 £20.46 £16.25
90th Percentile £55.60 £56.00 £52.50
Median hourly rate £35.50 £44.00 £40.50
% change year-on-year -19.32% +8.64% -2.11%

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 3 August 2020.

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 3 August 2020.

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 3 August 2020. 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 -1 613 £500 +11.11% 475
UK excluding London -28 381 £475 +7.95% 407
London +72 246 £548 +4.29% 102
South West -14 104 £486 +4.57% 66
South East -23 82 £478 +12.53% 104
East of England +6 78 £465 +9.41% 70
North of England +36 57 £469 +17.19% 76
Work from Home +7 53 £494 +18.98% 56
North West +86 44 £450 +9.09% 42
Midlands +11 36 £505 +26.25% 58
West Midlands +4 24 £510 +24.39% 34
Scotland +56 15 £400 -15.79% 20
East Midlands +39 12 £450 +41.51% 23
Yorkshire +12 10 £525 +31.25% 24
Wales +21 7 £475 +18.75% 9
North East +20 3 - - 10
Northern Ireland +17 3 £460 +18.71% 5

For the 6 months to 3 August 2020, 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.

1 214 (31.38%) Agile Software Development
2 183 (26.83%) C++
3 171 (25.07%) Linux
4 160 (23.46%) Security Cleared
5 147 (21.55%) Software Engineering
6 129 (18.91%) Finance
7 127 (18.62%) Python
8 115 (16.86%) Java
9 109 (15.98%) SC Cleared
10 96 (14.08%) Windows
11 95 (13.93%) Oracle
12 93 (13.64%) Microsoft
13 85 (12.46%) Problem-Solving
14 83 (12.17%) Azure
15 78 (11.44%) DV Cleared
16 74 (10.85%) JavaScript
17 70 (10.26%) DevOps
18 69 (10.12%) SQL
19 68 (9.97%) Scrum
20 66 (9.68%) Unix
21 64 (9.38%) Git (software)
22 63 (9.24%) C#
23 61 (8.94%) Analytical Skills
24 59 (8.65%) Migration
25 58 (8.50%) UML
26 55 (8.06%) Test Automation
27 54 (7.92%) Degree
27 54 (7.92%) Public Sector
28 52 (7.62%) JIRA
29 50 (7.33%) Shell Script

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 29 (4.25%) Confluence
2 25 (3.67%) Oracle SOA Suite
3 23 (3.37%) WebLogic
4 14 (2.05%) SharePoint
5 13 (1.91%) Apache
6 11 (1.61%) ArcGIS
6 11 (1.61%) CMS
7 10 (1.47%) Tomcat
8 7 (1.03%) Elasticsearch
9 6 (0.88%) Apache Spark
10 5 (0.73%) Exchange Server 2010
10 5 (0.73%) IIS
10 5 (0.73%) MS Exchange
11 4 (0.59%) Jadu
12 3 (0.44%) Exchange Server 2013
12 3 (0.44%) Oracle Application Server
13 2 (0.29%) Apache Airflow
13 2 (0.29%) JBoss
13 2 (0.29%) Oracle 10gAS
13 2 (0.29%) SAP Portal
Applications
1 42 (6.16%) Microsoft Office
2 22 (3.23%) Microsoft Excel
3 19 (2.79%) Simulink
4 14 (2.05%) MS Visio
5 11 (1.61%) Photoshop
6 9 (1.32%) Microsoft PowerPoint
7 5 (0.73%) Microsoft Project
8 3 (0.44%) Spreadsheet
9 2 (0.29%) Doxygen
10 1 (0.15%) CPLEX
10 1 (0.15%) SOLIDWORKS
10 1 (0.15%) SPSS
Business Applications
1 10 (1.47%) Dynamics CRM
2 9 (1.32%) ION MarketView
3 6 (0.88%) Oracle ERP
4 4 (0.59%) SAP S/4HANA
5 3 (0.44%) Remedy ITSM
6 2 (0.29%) SAP CRM
6 2 (0.29%) SAP HR
6 2 (0.29%) SAP PSCD
7 1 (0.15%) Dynamics AX
7 1 (0.15%) Dynamics NAV
7 1 (0.15%) JDE OneWorld
7 1 (0.15%) NetSuite
7 1 (0.15%) Oracle BRM
7 1 (0.15%) RMDS
7 1 (0.15%) Sage BI
7 1 (0.15%) SAP MDG
7 1 (0.15%) SAP MDM
7 1 (0.15%) SAP Oil and Gas
7 1 (0.15%) SAP PM
7 1 (0.15%) SAP SD
Cloud Services
1 83 (12.17%) Azure
2 47 (6.89%) AWS
3 39 (5.72%) SaaS
4 34 (4.99%) PaaS
5 27 (3.96%) GCP
6 18 (2.64%) Office 365
7 13 (1.91%) Dynamics 365
7 13 (1.91%) IaaS
7 13 (1.91%) Power Platform
8 10 (1.47%) Cloud Computing
8 10 (1.47%) Kong
9 8 (1.17%) AWS CloudFormation
10 5 (0.73%) Amazon ECS
10 5 (0.73%) GitHub
11 4 (0.59%) OpenShift
11 4 (0.59%) Serverless
12 3 (0.44%) Amazon CloudWatch
12 3 (0.44%) Amazon EKS
12 3 (0.44%) Apigee
12 3 (0.44%) Virtual Private Cloud
Communications & Networking
1 49 (7.18%) DNS
2 48 (7.04%) TCP/IP
3 40 (5.87%) Wi-Fi
4 37 (5.43%) Wireless
5 31 (4.55%) VPN
6 30 (4.40%) Firewall
7 29 (4.25%) DMZ
8 28 (4.11%) Bluetooth
8 28 (4.11%) DHCP
9 24 (3.52%) ZigBee
10 22 (3.23%) Network Security
11 21 (3.08%) Internet
12 19 (2.79%) HTTP
12 19 (2.79%) IPv6
12 19 (2.79%) LAN
13 17 (2.49%) IPv4
14 16 (2.35%) Wireshark
15 15 (2.20%) OSPF
15 15 (2.20%) WAN
16 13 (1.91%) HTTPS
Database & Business Intelligence
1 36 (5.28%) SQL Server
2 21 (3.08%) Big Data
2 21 (3.08%) MySQL
3 19 (2.79%) Oracle ODI
4 16 (2.35%) PostgreSQL
5 12 (1.76%) GIS
6 11 (1.61%) Power BI
7 10 (1.47%) DB2
7 10 (1.47%) Oracle Database
8 9 (1.32%) DB2 UDB
8 9 (1.32%) Hadoop
8 9 (1.32%) MongoDB
8 9 (1.32%) SQL Server Reporting Services
9 7 (1.03%) Data Warehouse
9 7 (1.03%) DataStage
9 7 (1.03%) Relational Database
10 6 (0.88%) Data Lake
10 6 (0.88%) NoSQL
10 6 (0.88%) Oracle Reports
10 6 (0.88%) SAP HANA
Development Applications
1 64 (9.38%) Git (software)
2 52 (7.62%) JIRA
3 38 (5.57%) Jenkins
4 20 (2.93%) Rational Rhapsody
5 16 (2.35%) Eclipse
5 16 (2.35%) Selenium
6 14 (2.05%) Rational DOORS
7 12 (1.76%) Atlassian Bamboo
7 12 (1.76%) Subversion
8 10 (1.47%) Ant
9 8 (1.17%) JUnit
10 7 (1.03%) GoogleTest
10 7 (1.03%) Rational Team Concert
11 5 (0.73%) Visual Studio
12 4 (0.59%) gulp
12 4 (0.59%) Maven
12 4 (0.59%) Oracle Forms
12 4 (0.59%) Postman
12 4 (0.59%) PVCS
12 4 (0.59%) Robot Framework
General
1 129 (18.91%) Finance
2 54 (7.92%) Public Sector
3 44 (6.45%) Electronics
4 32 (4.69%) Banking
5 28 (4.11%) Telecoms
6 23 (3.37%) Law
7 14 (2.05%) Military
8 13 (1.91%) Investment Banking
8 13 (1.91%) Legal
9 12 (1.76%) Manufacturing
10 10 (1.47%) Aerospace
10 10 (1.47%) Publishing
11 9 (1.32%) Marketing
12 7 (1.03%) Front Office
12 7 (1.03%) Games
13 4 (0.59%) Pharmaceutical
14 3 (0.44%) Avionics
14 3 (0.44%) Billing
15 2 (0.29%) Financial Institution
15 2 (0.29%) Retail
Job Titles
1 177 (25.95%) Developer
2 112 (16.42%) Software Engineer
3 78 (11.44%) Embedded Engineer
4 67 (9.82%) Embedded Software Engineer
5 49 (7.18%) Analyst
6 35 (5.13%) Consultant
7 33 (4.84%) Architect
8 26 (3.81%) C Developer
9 23 (3.37%) Senior Developer
9 23 (3.37%) Test Engineer
10 22 (3.23%) Project Manager
11 19 (2.79%) Java Developer
12 16 (2.35%) Business Analyst
12 16 (2.35%) Lead Developer
12 16 (2.35%) Linux Engineer
12 16 (2.35%) Systems Engineer
13 14 (2.05%) Cloud Developer
14 13 (1.91%) Cloud Architect
15 12 (1.76%) Android Developer
15 12 (1.76%) Python Developer
Libraries, Frameworks & Software Standards
1 44 (6.45%) .NET
1 44 (6.45%) HTML
2 42 (6.16%) Web Services
3 41 (6.01%) XML
3 41 (6.01%) Yocto
4 38 (5.57%) SAML
5 30 (4.40%) CSS
6 29 (4.25%) Oracle Fusion
7 27 (3.96%) REST
8 22 (3.23%) Node.js
9 20 (2.93%) Middleware
10 17 (2.49%) AngularJS
11 16 (2.35%) SOAP
12 14 (2.05%) POSIX
12 14 (2.05%) React
13 13 (1.91%) .NET Core
14 11 (1.61%) .NET Framework
15 10 (1.47%) JNI
15 10 (1.47%) JSP
15 10 (1.47%) LDAP
Miscellaneous
1 61 (8.94%) Analytical Skills
2 47 (6.89%) Device Driver
3 25 (3.67%) Greenfield Project
4 23 (3.37%) Home Automation
5 22 (3.23%) User Experience
6 19 (2.79%) Management Information System
7 18 (2.64%) Self-Motivation
8 17 (2.49%) Fixed Income
9 16 (2.35%) Mainframe
10 14 (2.05%) Hedge funds
11 13 (1.91%) Derivative
12 11 (1.61%) Algorithms
12 11 (1.61%) Credit Derivative
12 11 (1.61%) Equities
12 11 (1.61%) Foreign Exchange (FX)
13 9 (1.32%) Embedded Systems
13 9 (1.32%) Linux Command Line
14 8 (1.17%) Virtual Team
15 7 (1.03%) Data Centre
15 7 (1.03%) Field-Programmable Gate Array
Operating Systems
1 171 (25.07%) Linux
2 96 (14.08%) Windows
3 66 (9.68%) Unix
4 37 (5.43%) Windows Server
5 26 (3.81%) Red Hat Enterprise Linux
6 23 (3.37%) Windows 10
7 20 (2.93%) Windows Server 2012
8 19 (2.79%) Android
8 19 (2.79%) Windows Server 2008
8 19 (2.79%) Windows Server 2016
9 15 (2.20%) Windows 7
9 15 (2.20%) Windows Server 2019
10 12 (1.76%) Apple iOS
11 10 (1.47%) Embedded Linux
11 10 (1.47%) Mac OS X
12 9 (1.32%) FreeRTOS
13 7 (1.03%) CentOS
14 6 (0.88%) ThreadX
14 6 (0.88%) Ubuntu
15 5 (0.73%) OpenVMS
Processes & Methodologies
1 214 (31.38%) Agile Software Development
2 147 (21.55%) Software Engineering
3 85 (12.46%) Problem-Solving
4 70 (10.26%) DevOps
5 68 (9.97%) Scrum
6 59 (8.65%) Migration
7 58 (8.50%) UML
8 55 (8.06%) Test Automation
9 48 (7.04%) Project Management
10 43 (6.30%) Continuous Integration
11 40 (5.87%) Mathematics
12 36 (5.28%) Unit Testing
12 36 (5.28%) Waterfall
13 35 (5.13%) Stakeholder Management
14 31 (4.55%) Configuration Management
15 30 (4.40%) ITIL
15 30 (4.40%) SOA
16 28 (4.11%) TDD
17 27 (3.96%) Validation
18 26 (3.81%) Project Delivery
Programming Languages
1 183 (26.83%) C++
2 127 (18.62%) Python
3 115 (16.86%) Java
4 74 (10.85%) JavaScript
5 69 (10.12%) SQL
6 63 (9.24%) C#
7 50 (7.33%) Shell Script
8 38 (5.57%) Embedded C
9 36 (5.28%) Perl
10 33 (4.84%) Embedded C++
10 33 (4.84%) PowerShell
11 28 (4.11%) Bash Shell
12 23 (3.37%) MATLAB
13 19 (2.79%) VB
14 17 (2.49%) Ada
15 16 (2.35%) PL/SQL
16 14 (2.05%) R
17 13 (1.91%) Korn
17 13 (1.91%) PHP
18 12 (1.76%) Ruby
Qualifications
1 160 (23.46%) Security Cleared
2 109 (15.98%) SC Cleared
3 78 (11.44%) DV Cleared
4 54 (7.92%) Degree
5 22 (3.23%) Microsoft Certification
6 19 (2.79%) Cisco Certification
7 11 (1.61%) CISSP
8 9 (1.32%) Computer Science Degree
8 9 (1.32%) SSCP
9 8 (1.17%) ISTQB
10 7 (1.03%) BPSS Clearance
10 7 (1.03%) CISM
11 6 (0.88%) CCNA
11 6 (0.88%) HNC
11 6 (0.88%) MCSE
12 5 (0.73%) DBS Check
12 5 (0.73%) Master's Degree
13 4 (0.59%) ITIL Foundation Certificate
13 4 (0.59%) PhD
14 3 (0.44%) PMP
Quality Assurance & Compliance
1 12 (1.76%) QA
2 11 (1.61%) SLA
3 7 (1.03%) HMG Security Policy Framework
3 7 (1.03%) MISRA
4 6 (0.88%) ISO/IEC 27001
4 6 (0.88%) MISRA C
5 5 (0.73%) Data Quality
6 4 (0.59%) Disclosure Scotland
6 4 (0.59%) GDPR
6 4 (0.59%) WCAG
7 3 (0.44%) DO-178B
7 3 (0.44%) DO-254
7 3 (0.44%) PMO
8 2 (0.29%) Def Stans
8 2 (0.29%) IFRS
8 2 (0.29%) JTAG
9 1 (0.15%) IEC 62304
9 1 (0.15%) ISO 26262
9 1 (0.15%) JSP 440
9 1 (0.15%) Sarbanes-Oxley
System Software
1 39 (5.72%) Active Directory
2 27 (3.96%) VMware Infrastructure
3 20 (2.93%) Virtual Machines
4 18 (2.64%) Docker
5 15 (2.20%) Firmware
6 12 (1.76%) VMware ESXi
6 12 (1.76%) VMware NSX
7 9 (1.32%) RACF
8 7 (1.03%) NFS
8 7 (1.03%) vSphere
9 4 (0.59%) XenApp
10 3 (0.44%) Citrix Hypervisor
10 3 (0.44%) Veritas Cluster Server
10 3 (0.44%) VirtualBox
11 2 (0.29%) HDFS
11 2 (0.29%) Hyper-V
11 2 (0.29%) Samba
11 2 (0.29%) Terminal Server
11 2 (0.29%) Xen
12 1 (0.15%) Microsoft App-V
Systems Management
1 28 (4.11%) Ansible
2 22 (3.23%) Single Sign-On
3 19 (2.79%) Puppet
4 16 (2.35%) Opscode Chef
5 15 (2.20%) Kubernetes
6 11 (1.61%) Salt
7 5 (0.73%) HP ALM
7 5 (0.73%) SCCM
7 5 (0.73%) Terraform
8 4 (0.59%) vCenter Server
8 4 (0.59%) vMotion
9 3 (0.44%) Kibana
9 3 (0.44%) Oracle Statspack
9 3 (0.44%) Pacemaker
9 3 (0.44%) WSUS
10 2 (0.29%) Microsoft Intune
10 2 (0.29%) Nagios
10 2 (0.29%) OpenNMS
10 2 (0.29%) WhatsUp Gold
10 2 (0.29%) ZABBIX
Vendors
1 95 (13.93%) Oracle
2 93 (13.64%) Microsoft
3 31 (4.55%) Atlassian
4 30 (4.40%) VMware
5 29 (4.25%) Google
6 24 (3.52%) Cisco
7 20 (2.93%) SAP
8 19 (2.79%) Red Hat
9 17 (2.49%) IBM
10 16 (2.35%) HP
11 12 (1.76%) Sophos
12 11 (1.61%) Citrix
12 11 (1.61%) ESRI
12 11 (1.61%) Lumension
13 10 (1.47%) SaltStack
14 9 (1.32%) ION Trading
14 9 (1.32%) MuleSoft
15 6 (0.88%) Atmel
15 6 (0.88%) Dell
15 6 (0.88%) Splunk