Period
to 22 September 2019

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 22 September 2019 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
22 Sep 2019
Same period 2018 Same period 2017
Rank 125 170 162
Rank change year-on-year +45 -8 -29
Contract jobs citing C 1,772 1,678 1,613
As % of all contract IT jobs advertised in the UK 2.03% 1.65% 1.63%
As % of the Programming Languages category 4.82% 3.70% 3.90%
Number of daily rates quoted 958 898 828
UK median daily rate £455 £475 £430
Median daily rate % change year-on-year -4.21% +10.47% +3.61%
10th Percentile £320 £313 £300
90th Percentile £663 £654 £663
UK excluding London median daily rate £450 £413 £400
% change year-on-year +9.09% +3.13% +6.67%
Number of hourly rates quoted 218 215 183
UK median hourly rate £46.50 £42.00 £42.50
Median hourly rate % change year-on-year +10.71% -1.18% +6.25%
10th Percentile £37.28 £20.65 £30.55
90th Percentile £55.00 £50.15 £52.50
UK excluding London median hourly rate £46.50 £42.50 £42.50
% change year-on-year +9.41% - +6.25%

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 36,799 45,319 41,332
As % of all contract IT jobs advertised in the UK 42.14% 44.46% 41.87%
Number of daily rates quoted 25,471 31,859 28,514
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £320 £313 £306
90th Percentile £650 £638 £625
UK excluding London median daily rate £425 £415 £400
% change year-on-year +2.41% +3.75% +6.67%
Number of hourly rates quoted 664 723 780
UK median hourly rate £44.00 £41.50 £40.00
Median hourly rate % change year-on-year +6.02% +3.75% +6.67%
10th Percentile £20.31 £16.25 £15.79
90th Percentile £56.18 £52.50 £53.75
UK excluding London median hourly rate £44.00 £41.92 £40.00
% change year-on-year +4.96% +4.81% +6.67%

C
Job Vacancy Trend

Job postings citing C as a percentage of all IT jobs advertised.

Job vacancy trend for C in the UK

C
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing C.

Contractor daily rate trend for C in the UK

C
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing C over the 6 months to 22 September 2019.

Contractor daily rate histogram for C in the UK

C
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing C.

Contractor hourly rate trend for C in the UK

C
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing C over the 6 months to 22 September 2019.

Contractor hourly rate histogram for C in the UK

C
Top 16 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 22 September 2019. 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 +49 1,699 £463 -2.63% 1,335
UK excluding London +57 1,286 £450 +9.09% 1,198
London -3 451 £525 -2.33% 211
South West +23 404 £450 +9.76% 195
South East +40 382 £425 - 301
East of England +33 212 £450 - 241
North of England +10 128 £405 +8.00% 235
Midlands +77 110 £428 +7.01% 152
West Midlands +79 92 £439 +0.29% 118
Yorkshire +45 67 £385 -5.23% 62
North West -7 40 £400 +6.67% 142
Scotland +31 24 £500 +21.21% 50
North East +8 21 £467 +28.38% 31
Wales -6 21 £450 +12.50% 15
East Midlands +9 18 £400 +9.72% 33
Northern Ireland +1 6 £388 +10.71% 9

For the 6 months to 22 September 2019, 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.

1 710 (40.07%) C++
2 557 (31.43%) Software Engineering
3 474 (26.75%) Agile Software Development
4 468 (26.41%) Linux
5 379 (21.39%) Security Cleared
6 325 (18.34%) Python
7 324 (18.28%) Java
8 237 (13.37%) SC Cleared
9 223 (12.58%) Embedded C
10 207 (11.68%) Windows
11 198 (11.17%) Finance
12 196 (11.06%) SQL
13 187 (10.55%) Degree
14 182 (10.27%) DV Cleared
15 179 (10.10%) Microsoft
16 177 (9.99%) UML
17 171 (9.65%) Problem-Solving
18 151 (8.52%) C#
19 147 (8.30%) JIRA
20 146 (8.24%) Unix
21 144 (8.13%) Scrum
22 134 (7.56%) DevOps
23 127 (7.17%) Oracle
24 120 (6.77%) Stakeholder Management
25 118 (6.66%) Project Management
26 116 (6.55%) Embedded C++
26 116 (6.55%) TDD
27 102 (5.76%) JavaScript
27 102 (5.76%) Configuration Management
28 101 (5.70%) Azure

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 90 (5.08%) Confluence
2 31 (1.75%) JBoss
3 30 (1.69%) CMS
4 26 (1.47%) SAS
5 21 (1.19%) SharePoint
6 20 (1.13%) Apache Spark
7 15 (0.85%) MS Exchange
8 12 (0.68%) OpenStack
9 11 (0.62%) WebLogic
10 9 (0.51%) Exchange Server 2010
10 9 (0.51%) Skype for Business
11 8 (0.45%) Tomcat
11 8 (0.45%) WebSphere
12 6 (0.34%) Apache
12 6 (0.34%) Elasticsearch
13 5 (0.28%) Camunda
13 5 (0.28%) Captiva
13 5 (0.28%) Documentum
14 4 (0.23%) SharePoint Server
15 3 (0.17%) ArcGIS
Applications
1 65 (3.67%) Microsoft Excel
2 40 (2.26%) Microsoft Office
3 29 (1.64%) Microsoft PowerPoint
4 26 (1.47%) Simulink
5 20 (1.13%) Microsoft Project
6 12 (0.68%) Spreadsheet
7 11 (0.62%) Stateflow
8 10 (0.56%) Adobe Illustrator
8 10 (0.56%) Inkscape
9 8 (0.45%) MS Visio
10 2 (0.11%) FileZilla
10 2 (0.11%) Notepad++
10 2 (0.11%) Quicktime
11 1 (0.056%) Abaqus
11 1 (0.056%) AutoCAD
11 1 (0.056%) Autodesk Inventor
11 1 (0.056%) Chatbot
11 1 (0.056%) Windchill
Business Applications
1 24 (1.35%) Dynamics NAV
1 24 (1.35%) Sparx Enterprise Architect
2 18 (1.02%) ION MarketView
3 10 (0.56%) Dynamics CRM
4 7 (0.40%) SAP S/4HANA
5 4 (0.23%) FINCAD Analytics
6 3 (0.17%) LabWindows
6 3 (0.17%) Oracle Retail
6 3 (0.17%) Payment Gateway
6 3 (0.17%) SAP CRM
6 3 (0.17%) SAP Oil and Gas
6 3 (0.17%) SAP SD
7 2 (0.11%) Oracle BPM
7 2 (0.11%) Oracle EBS
7 2 (0.11%) SAP MM
7 2 (0.11%) SAP WM
8 1 (0.056%) Actimize
8 1 (0.056%) assyst
8 1 (0.056%) Cognos TM1
8 1 (0.056%) Workday HCM
Cloud Services
1 101 (5.70%) Azure
2 89 (5.02%) AWS
3 46 (2.60%) GCP
4 40 (2.26%) Office 365
5 28 (1.58%) Cloud Computing
6 27 (1.52%) PaaS
7 26 (1.47%) IaaS
8 20 (1.13%) Power Platform
9 18 (1.02%) Serverless
10 16 (0.90%) OpenShift
11 14 (0.79%) SaaS
12 11 (0.62%) GitHub
13 10 (0.56%) Amazon S3
14 9 (0.51%) Azure Stack
15 8 (0.45%) AWS Lambda
16 7 (0.40%) G Suite
17 6 (0.34%) Adobe Analytics
17 6 (0.34%) Amazon SQS
17 6 (0.34%) AWS CloudFormation
17 6 (0.34%) Azure Active Directory
Communications & Networking
1 69 (3.89%) Wireless
2 62 (3.50%) DNS
2 62 (3.50%) TCP/IP
3 57 (3.22%) Internet
4 46 (2.60%) Ethernet
5 44 (2.48%) Firewall
6 41 (2.31%) Bluetooth
6 41 (2.31%) Wireshark
7 35 (1.98%) VoIP
8 30 (1.69%) DHCP
9 29 (1.64%) ZigBee
10 27 (1.52%) WAN
11 26 (1.47%) SAN
12 24 (1.35%) IPv6
12 24 (1.35%) Wi-Fi
13 23 (1.30%) LAN
13 23 (1.30%) SNMP
14 21 (1.19%) 3GPP
15 19 (1.07%) RS-485
16 17 (0.96%) 5G
Database & Business Intelligence
1 44 (2.48%) Hadoop
1 44 (2.48%) SQL Server
2 38 (2.14%) MySQL
3 35 (1.98%) Big Data
4 32 (1.81%) MongoDB
4 32 (1.81%) Relational Database
5 23 (1.30%) PostgreSQL
6 20 (1.13%) NoSQL
6 20 (1.13%) Power BI
7 18 (1.02%) Oracle Database
8 17 (0.96%) Apache Hive
9 16 (0.90%) BigQuery
10 15 (0.85%) Data Warehouse
11 13 (0.73%) DB2
12 12 (0.68%) SAP HANA
13 10 (0.56%) Apache Cassandra
14 9 (0.51%) Crystal Reports
14 9 (0.51%) SQL Server Integration Services
14 9 (0.51%) Sqoop
15 8 (0.45%) RDBMS
Development Applications
1 147 (8.30%) JIRA
2 87 (4.91%) Git (software)
3 69 (3.89%) Rational Rhapsody
4 63 (3.56%) Jenkins
5 62 (3.50%) Rational DOORS
6 41 (2.31%) Visual Studio
7 37 (2.09%) Selenium
8 34 (1.92%) Subversion
9 30 (1.69%) Cucumber
10 24 (1.35%) GoogleTest
11 23 (1.30%) GDB
11 23 (1.30%) PVCS
12 22 (1.24%) ClearCase
13 20 (1.13%) Ant
14 17 (0.96%) Team Foundation Server
15 16 (0.90%) Atlassian Bamboo
15 16 (0.90%) Eclipse
15 16 (0.90%) ProC
16 15 (0.85%) NUnit
17 14 (0.79%) JUnit
General
1 198 (11.17%) Finance
2 83 (4.68%) Electronics
3 72 (4.06%) Public Sector
4 71 (4.01%) Banking
5 66 (3.72%) Law
6 59 (3.33%) Military
6 59 (3.33%) Telecoms
7 36 (2.03%) Manufacturing
7 36 (2.03%) Retail
8 34 (1.92%) Aerospace
9 28 (1.58%) Marketing
10 25 (1.41%) Automotive
11 23 (1.30%) Avionics
11 23 (1.30%) Front Office
12 22 (1.24%) Local Government
13 15 (0.85%) Games
13 15 (0.85%) Investment Banking
13 15 (0.85%) Pharmaceutical
14 14 (0.79%) Legal
15 10 (0.56%) Billing
Job Titles
1 413 (23.31%) Software Engineer
2 335 (18.91%) Developer
3 252 (14.22%) Embedded Engineer
4 208 (11.74%) Embedded Software Engineer
5 137 (7.73%) Analyst
6 129 (7.28%) C++ Software Engineer
7 121 (6.83%) Architect
8 98 (5.53%) C Software Engineer
9 83 (4.68%) C Developer
10 79 (4.46%) C/C++ Software Engineer
11 64 (3.61%) C++ Developer
12 59 (3.33%) Embedded C++ Engineer
13 57 (3.22%) Embedded C Engineer
13 57 (3.22%) Software Developer
14 53 (2.99%) Consultant
15 47 (2.65%) Embedded C/C++ Engineer
16 46 (2.60%) Systems Engineer
17 45 (2.54%) Embedded C Software Engineer
17 45 (2.54%) Embedded C++ Software Engineer
18 43 (2.43%) Solutions Architect
Libraries, Frameworks & Software Standards
1 74 (4.18%) Web Services
2 73 (4.12%) .NET
2 73 (4.12%) XML
3 51 (2.88%) HTML
4 50 (2.82%) AngularJS
5 45 (2.54%) Middleware
6 40 (2.26%) Node.js
7 35 (1.98%) React
8 33 (1.86%) CSS
9 32 (1.81%) Qt
10 31 (1.75%) SOAP
11 30 (1.69%) REST
12 27 (1.52%) JSON
13 26 (1.47%) Spring
13 26 (1.47%) STL
14 20 (1.13%) Hibernate
15 18 (1.02%) JNI
16 17 (0.96%) Java EE
17 16 (0.90%) EJB
18 15 (0.85%) Rendezvous
Miscellaneous
1 96 (5.42%) Analytical Skills
2 65 (3.67%) Algorithms
3 58 (3.27%) Embedded Systems
4 46 (2.60%) Self-Motivation
5 43 (2.43%) Management Information System
6 40 (2.26%) Field-Programmable Gate Array
7 37 (2.09%) Greenfield Project
8 26 (1.47%) Data Centre
9 24 (1.35%) VHDL
10 22 (1.24%) ASIC
10 22 (1.24%) PKI
11 21 (1.19%) Device Driver
12 20 (1.13%) User Experience
13 19 (1.07%) Derivative
13 19 (1.07%) Linux Command Line
13 19 (1.07%) Mobile App
14 16 (0.90%) Video\Live Streaming
15 15 (0.85%) Replication
16 14 (0.79%) Data Structures
17 11 (0.62%) Enterprise Software
Operating Systems
1 468 (26.41%) Linux
2 207 (11.68%) Windows
3 146 (8.24%) Unix
4 89 (5.02%) Android
5 57 (3.22%) Embedded Linux
6 46 (2.60%) Red Hat Enterprise Linux
7 42 (2.37%) FreeRTOS
8 27 (1.52%) ThreadX
9 23 (1.30%) OpenVMS
10 22 (1.24%) Windows Server 2012
11 20 (1.13%) Solaris
11 20 (1.13%) Windows Server 2008
12 19 (1.07%) Apple iOS
12 19 (1.07%) Windows 10
13 17 (0.96%) Windows 7
13 17 (0.96%) Windows Server
14 13 (0.73%) CentOS
15 11 (0.62%) Windows Server 2003
16 9 (0.51%) Mac OS
17 8 (0.45%) Mac OS X
Processes & Methodologies
1 557 (31.43%) Software Engineering
2 474 (26.75%) Agile Software Development
3 177 (9.99%) UML
4 171 (9.65%) Problem-Solving
5 144 (8.13%) Scrum
6 134 (7.56%) DevOps
7 120 (6.77%) Stakeholder Management
8 118 (6.66%) Project Management
9 116 (6.55%) TDD
10 102 (5.76%) Configuration Management
11 96 (5.42%) Migration
12 93 (5.25%) Computer Science
13 89 (5.02%) Cybersecurity
14 88 (4.97%) Multithreading
14 88 (4.97%) Test Automation
15 86 (4.85%) OO
16 81 (4.57%) Continuous Integration
17 78 (4.40%) Mathematics
18 71 (4.01%) ITIL
18 71 (4.01%) SDLC
Programming Languages
1 710 (40.07%) C++
2 325 (18.34%) Python
3 324 (18.28%) Java
4 223 (12.58%) Embedded C
5 196 (11.06%) SQL
6 151 (8.52%) C#
7 116 (6.55%) Embedded C++
8 102 (5.76%) JavaScript
9 70 (3.95%) MATLAB
10 54 (3.05%) PowerShell
11 53 (2.99%) Perl
12 47 (2.65%) Ruby
13 38 (2.14%) PL/SQL
14 36 (2.03%) Bash Shell
15 35 (1.98%) PHP
15 35 (1.98%) R
16 28 (1.58%) Go
17 25 (1.41%) VB
18 20 (1.13%) Java 8
18 20 (1.13%) TypeScript
Qualifications
1 379 (21.39%) Security Cleared
2 237 (13.37%) SC Cleared
3 187 (10.55%) Degree
4 182 (10.27%) DV Cleared
5 44 (2.48%) Computer Science Degree
6 31 (1.75%) CISSP
7 23 (1.30%) CESG Certified Professional
8 18 (1.02%) Cisco Certification
8 18 (1.02%) CISM
9 17 (0.96%) BPSS Clearance
10 16 (0.90%) PRINCE2 Certification
11 15 (0.85%) SANS
12 14 (0.79%) CCNA
13 12 (0.68%) ISTQB
13 12 (0.68%) PhD
13 12 (0.68%) PMI Certification
13 12 (0.68%) PMP
14 11 (0.62%) HND
14 11 (0.62%) ISEB
14 11 (0.62%) Microsoft Certification
Quality Assurance & Compliance
1 58 (3.27%) QA
2 48 (2.71%) MISRA
3 28 (1.58%) PMO
4 21 (1.19%) ISO/IEC 27001
5 17 (0.96%) MISRA C
6 13 (0.73%) DO-178B
7 11 (0.62%) SLA
8 10 (0.56%) Sarbanes-Oxley
9 9 (0.51%) GDPR
10 8 (0.45%) DO-254
11 7 (0.40%) IEC 61508
12 6 (0.34%) HMG Security Policy Framework
12 6 (0.34%) JSP 440
13 5 (0.28%) HMG Infosec
13 5 (0.28%) PCI DSS
14 4 (0.23%) GMP
14 4 (0.23%) JTAG
14 4 (0.23%) NIST
15 3 (0.17%) COBIT
15 3 (0.17%) Solvency II
System Software
1 82 (4.63%) Firmware
2 78 (4.40%) Active Directory
3 60 (3.39%) Docker
4 29 (1.64%) VMware Infrastructure
5 12 (0.68%) vSphere
5 12 (0.68%) XenApp
6 11 (0.62%) Virtual Machines
7 10 (0.56%) Apache Flume
8 8 (0.45%) Hyper-V
8 8 (0.45%) XenDesktop
9 6 (0.34%) RACF
10 5 (0.28%) VMware ESXi
11 4 (0.23%) Gluster
12 3 (0.17%) Microsoft App-V
13 2 (0.11%) BitLocker
13 2 (0.11%) NFS
13 2 (0.11%) Samba
14 1 (0.056%) Virtual Desktop
14 1 (0.056%) Virtual Servers
14 1 (0.056%) VMware Workstation
Systems Management
1 51 (2.88%) Ansible
2 44 (2.48%) Kubernetes
3 38 (2.14%) Puppet
4 20 (1.13%) Opscode Chef
5 18 (1.02%) Terraform
6 12 (0.68%) Single Sign-On
7 11 (0.62%) SCCM
8 9 (0.51%) vRealize
9 8 (0.45%) Cisco CUCM
9 8 (0.45%) HP ALM
9 8 (0.45%) HP Quality Center
9 8 (0.45%) WSUS
10 7 (0.40%) Salt
11 6 (0.34%) Nessus
11 6 (0.34%) Systems Management Server (SMS)
12 5 (0.28%) Nagios
12 5 (0.28%) QRadar
13 4 (0.23%) AirWatch
13 4 (0.23%) Microsoft Data Protection Manager
14 3 (0.17%) Microsoft Intune
Vendors
1 179 (10.10%) Microsoft
2 127 (7.17%) Oracle
3 88 (4.97%) Google
4 65 (3.67%) Cisco
5 55 (3.10%) Atlassian
6 50 (2.82%) SAP
7 44 (2.48%) Red Hat
8 42 (2.37%) VMware
9 37 (2.09%) Apple
10 28 (1.58%) ServiceNow
11 24 (1.35%) IBM
11 24 (1.35%) Sparx
11 24 (1.35%) TIBCO
12 22 (1.24%) Adobe
13 20 (1.13%) HP
14 18 (1.02%) Citrix
14 18 (1.02%) ION Trading
15 16 (0.90%) Micro Focus
16 13 (0.73%) Salesforce.com
17 9 (0.51%) MathWorks