Period
to 25 May 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 25 May 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
25 May 2019
Same period 2018 Same period 2017
Rank 152 165 137
Rank change year-on-year +13 -28 -16
Contract jobs citing C 1,656 1,645 1,728
As % of all contract IT jobs advertised in the UK 1.81% 1.62% 1.91%
As % of the Programming Languages category 4.21% 3.76% 4.61%
Number of daily rates quoted 820 886 919
UK median daily rate £450 £475 £440
Median daily rate % change year-on-year -5.26% +7.95% +7.65%
10th Percentile £312 £313 £311
90th Percentile £663 £644 £606
UK excluding London median daily rate £425 £413 £413
% change year-on-year +3.03% - +10.00%
Number of hourly rates quoted 217 222 231
UK median hourly rate £45.00 £42.50 £42.50
Median hourly rate % change year-on-year +5.88% - +6.25%
10th Percentile £36.05 £20.25 £22.50
90th Percentile £52.50 £49.88 £57.50
UK excluding London median hourly rate £45.00 £42.50 £42.50
% change year-on-year +5.88% - +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 39,292 43,711 37,497
As % of all contract IT jobs advertised in the UK 42.88% 43.06% 41.48%
Number of daily rates quoted 27,220 30,568 25,724
UK median daily rate £475 £463 £430
Median daily rate % change year-on-year +2.70% +7.56% +3.61%
10th Percentile £325 £313 £300
90th Percentile £650 £638 £613
UK excluding London median daily rate £425 £405 £388
% change year-on-year +4.94% +4.52% +3.33%
Number of hourly rates quoted 681 793 810
UK median hourly rate £42.50 £40.00 £41.50
Median hourly rate % change year-on-year +6.25% -3.61% +7.79%
10th Percentile £18.00 £16.89 £16.50
90th Percentile £55.00 £52.50 £56.15
UK excluding London median hourly rate £43.50 £40.00 £41.25
% change year-on-year +8.75% -3.03% +7.14%

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 25 May 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 25 May 2019.

Contractor 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 25 May 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 +17 1,550 £450 -5.26% 617
UK excluding London +44 1,189 £425 +3.03% 539
London -53 444 £513 -6.82% 130
South East +20 365 £425 - 120
South West +11 293 £450 +7.46% 83
East of England +13 191 £405 -14.74% 154
Midlands +65 126 £425 +6.32% 47
North of England 0 124 £400 +3.23% 85
West Midlands +48 91 £425 +6.25% 31
Yorkshire +47 74 £425 +6.25% 25
Scotland +36 44 £438 - 39
Wales -4 36 £425 +6.25% 9
East Midlands +35 34 £318 -15.20% 16
North West -14 31 £400 - 49
North East -22 19 £310 -17.33% 11
Northern Ireland +16 8 £350 +40.00% 4
Channel Islands - 2 - -

For the 6 months to 25 May 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.

1 626 (37.80%) C++
2 508 (30.68%) Software Engineering
3 405 (24.46%) Linux
4 359 (21.68%) Agile Software Development
5 348 (21.01%) Java
6 335 (20.23%) Python
7 330 (19.93%) Security Cleared
8 229 (13.83%) SQL
9 218 (13.16%) Finance
10 216 (13.04%) Problem-Solving
11 210 (12.68%) Degree
12 202 (12.20%) SC Cleared
13 169 (10.21%) Embedded C
14 147 (8.88%) Microsoft
15 141 (8.51%) Unix
16 135 (8.15%) Project Management
17 132 (7.97%) Windows
18 128 (7.73%) DV Cleared
19 121 (7.31%) DevOps
20 116 (7.00%) UML
21 115 (6.94%) C#
21 115 (6.94%) Scrum
21 115 (6.94%) Analytical Skills
22 113 (6.82%) Android
23 112 (6.76%) Oracle
24 107 (6.46%) JavaScript
25 100 (6.04%) TDD
26 99 (5.98%) Configuration Management
27 95 (5.74%) Multithreading
28 94 (5.68%) Computer Science

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 37 (2.23%) Apache Spark
2 34 (2.05%) Confluence
3 29 (1.75%) SAS
4 20 (1.21%) JBoss
4 20 (1.21%) SharePoint
4 20 (1.21%) Tomcat
5 16 (0.97%) Apache
6 13 (0.79%) CMS
7 11 (0.66%) MS Exchange
7 11 (0.66%) OpenStack
8 9 (0.54%) Skype for Business
9 8 (0.48%) Elasticsearch
10 7 (0.42%) TPMS
11 6 (0.36%) WebSphere
12 4 (0.24%) Apache Qpid
12 4 (0.24%) Jupyter
12 4 (0.24%) SharePoint Server
13 3 (0.18%) Camunda
13 3 (0.18%) Cloud Foundry
13 3 (0.18%) Oracle SOA Suite
Applications
1 72 (4.35%) Microsoft Excel
2 42 (2.54%) Microsoft Office
3 33 (1.99%) Simulink
4 25 (1.51%) Microsoft PowerPoint
5 16 (0.97%) Spreadsheet
6 12 (0.72%) MS Visio
7 9 (0.54%) Microsoft Project
7 9 (0.54%) Stateflow
8 7 (0.42%) Adobe Illustrator
9 5 (0.30%) Inkscape
10 3 (0.18%) Photoshop
11 2 (0.12%) GIMP
11 2 (0.12%) InVision
12 1 (0.060%) Adobe XD
12 1 (0.060%) AutoCAD
12 1 (0.060%) GNU Octave
12 1 (0.060%) Sketch
12 1 (0.060%) SPSS
12 1 (0.060%) Zeplin
Business Applications
1 13 (0.79%) Dynamics CRM
2 10 (0.60%) SAP S/4HANA
3 9 (0.54%) Dynamics NAV
4 8 (0.48%) ION MarketView
5 3 (0.18%) C-CURE
5 3 (0.18%) Oracle Retail
5 3 (0.18%) Remedy ITSM
5 3 (0.18%) SAP Hybris
5 3 (0.18%) SAP MM
6 2 (0.12%) GoldMine
6 2 (0.12%) Oracle BPM
6 2 (0.12%) Primavera
6 2 (0.12%) Sage 200
6 2 (0.12%) SAP CRM
6 2 (0.12%) SAP Oil and Gas
6 2 (0.12%) Scribe Insight
7 1 (0.060%) Oracle BRM
7 1 (0.060%) Oracle Cash Management
7 1 (0.060%) Oracle EBS R12
7 1 (0.060%) Oracle Procure-to-Pay
Cloud Services
1 86 (5.19%) Amazon AWS
2 84 (5.07%) Microsoft Azure
3 43 (2.60%) Google Cloud Platform
4 32 (1.93%) Office 365
5 27 (1.63%) PaaS
6 22 (1.33%) GitHub
6 22 (1.33%) Power Platform
6 22 (1.33%) Serverless
7 17 (1.03%) Cloud Computing
7 17 (1.03%) IaaS
8 10 (0.60%) Amazon S3
8 10 (0.60%) SaaS
9 9 (0.54%) OpenShift
10 8 (0.48%) AWS Lambda
10 8 (0.48%) Azure Active Directory
10 8 (0.48%) Azure Stack
11 6 (0.36%) Adobe Analytics
11 6 (0.36%) Amazon SQS
11 6 (0.36%) AWS CloudFormation
12 4 (0.24%) OneDrive
Communications & Networking
1 74 (4.47%) Wireless
2 43 (2.60%) Firewall
3 42 (2.54%) TCP/IP
4 38 (2.29%) DNS
5 36 (2.17%) Ethernet
6 32 (1.93%) Internet
7 29 (1.75%) 5G
8 28 (1.69%) Bluetooth
9 26 (1.57%) 3GPP
9 26 (1.57%) HTTP
10 25 (1.51%) WAN
11 24 (1.45%) Wireshark
12 23 (1.39%) VoIP
13 21 (1.27%) LAN
14 20 (1.21%) LTE
15 18 (1.09%) IPv6
15 18 (1.09%) SAN
15 18 (1.09%) SSL
15 18 (1.09%) VPN
15 18 (1.09%) ZigBee
Database & Business Intelligence
1 62 (3.74%) SQL Server
2 50 (3.02%) Big Data
3 41 (2.48%) Hadoop
3 41 (2.48%) MySQL
4 34 (2.05%) MongoDB
5 30 (1.81%) PostgreSQL
5 30 (1.81%) Relational Database
6 28 (1.69%) Oracle Database
7 26 (1.57%) Apache Hive
8 25 (1.51%) NoSQL
9 22 (1.33%) Power BI
10 20 (1.21%) BigQuery
10 20 (1.21%) Data Warehouse
11 16 (0.97%) Apache Cassandra
12 13 (0.79%) Sqoop
13 11 (0.66%) SQL Server Integration Services
14 10 (0.60%) Azure SQL Database
15 9 (0.54%) SAP HANA
16 8 (0.48%) Adabas
16 8 (0.48%) Redis
Development Applications
1 92 (5.56%) Git (software)
2 75 (4.53%) JIRA
3 65 (3.93%) Rational DOORS
4 64 (3.86%) Jenkins
5 48 (2.90%) Rational Rhapsody
6 37 (2.23%) ProC
7 33 (1.99%) Visual Studio
8 31 (1.87%) Subversion
9 27 (1.63%) Ant
10 22 (1.33%) ClearCase
10 22 (1.33%) Selenium
11 19 (1.15%) Maven
12 18 (1.09%) NUnit
13 16 (0.97%) CppUnit
13 16 (0.97%) GoogleTest
13 16 (0.97%) Oracle Forms
14 15 (0.91%) Cucumber
14 15 (0.91%) PVCS
14 15 (0.91%) Xcode
15 14 (0.85%) JUnit
General
1 218 (13.16%) Finance
2 93 (5.62%) Electronics
3 80 (4.83%) Banking
4 65 (3.93%) Telecoms
5 46 (2.78%) Aerospace
6 45 (2.72%) Law
7 35 (2.11%) Automotive
7 35 (2.11%) Manufacturing
8 29 (1.75%) Marketing
9 28 (1.69%) Retail
10 21 (1.27%) Avionics
11 20 (1.21%) Military
12 17 (1.03%) Legal
13 15 (0.91%) Games
14 11 (0.66%) Publishing
15 9 (0.54%) Billing
16 8 (0.48%) Investment Banking
17 7 (0.42%) Back Office
17 7 (0.42%) Front Office
18 6 (0.36%) Advertising
Job Titles
1 385 (23.25%) Developer
2 315 (19.02%) Software Engineer
3 192 (11.59%) Embedded Engineer
4 160 (9.66%) Embedded Software Engineer
5 107 (6.46%) Analyst
6 105 (6.34%) Architect
7 84 (5.07%) C++ Developer
8 73 (4.41%) C++ Software Engineer
9 67 (4.05%) Consultant
10 65 (3.93%) C Developer
11 61 (3.68%) C Software Engineer
12 51 (3.08%) Android Developer
13 48 (2.90%) Project Manager
14 46 (2.78%) Java Developer
14 46 (2.78%) Linux Developer
15 45 (2.72%) Software Developer
16 39 (2.36%) C/C++ Software Engineer
17 38 (2.29%) Solutions Architect
18 35 (2.11%) Systems Engineer
19 32 (1.93%) C# Developer
Libraries, Frameworks & Software Standards
1 77 (4.65%) Web Services
1 77 (4.65%) XML
2 63 (3.80%) HTML
3 58 (3.50%) .NET
4 45 (2.72%) AngularJS
5 44 (2.66%) CSS
6 41 (2.48%) Spring
7 38 (2.29%) SOAP
8 37 (2.23%) REST
9 36 (2.17%) JSON
10 35 (2.11%) Middleware
11 31 (1.87%) Qt
12 29 (1.75%) Node.js
13 27 (1.63%) React
14 26 (1.57%) Kafka
15 23 (1.39%) LDAP
16 20 (1.21%) ASP.NET
17 19 (1.15%) Natural Language Processing
18 18 (1.09%) RESTful
19 17 (1.03%) Hibernate
Miscellaneous
1 115 (6.94%) Analytical Skills
2 73 (4.41%) Algorithms
3 63 (3.80%) Embedded Systems
4 44 (2.66%) Greenfield Project
5 42 (2.54%) VHDL
6 36 (2.17%) Data Centre
6 36 (2.17%) Field-Programmable Gate Array
7 32 (1.93%) Self-Motivation
8 31 (1.87%) Device Driver
9 29 (1.75%) Management Information System
10 26 (1.57%) ASIC
10 26 (1.57%) Linux Command Line
11 22 (1.33%) Mobile App
11 22 (1.33%) User Experience
12 19 (1.15%) Mainframe
13 18 (1.09%) Data Structures
13 18 (1.09%) PKI
14 17 (1.03%) Derivative
15 16 (0.97%) Replication
15 16 (0.97%) TMS320
Operating Systems
1 405 (24.46%) Linux
2 141 (8.51%) Unix
3 132 (7.97%) Windows
4 113 (6.82%) Android
5 36 (2.17%) Apple iOS
6 32 (1.93%) Embedded Linux
7 30 (1.81%) Solaris
8 28 (1.69%) Red Hat Enterprise Linux
9 20 (1.21%) Windows 7
10 18 (1.09%) OpenVMS
10 18 (1.09%) Windows 10
10 18 (1.09%) Windows Server
11 15 (0.91%) Windows Server 2008
11 15 (0.91%) Windows Server 2012
12 12 (0.72%) CentOS
13 9 (0.54%) FreeRTOS
13 9 (0.54%) Ubuntu
14 8 (0.48%) Mac OS
15 7 (0.42%) VME
16 6 (0.36%) Windows 8
Processes & Methodologies
1 508 (30.68%) Software Engineering
2 359 (21.68%) Agile Software Development
3 216 (13.04%) Problem-Solving
4 135 (8.15%) Project Management
5 121 (7.31%) DevOps
6 116 (7.00%) UML
7 115 (6.94%) Scrum
8 100 (6.04%) TDD
9 99 (5.98%) Configuration Management
10 95 (5.74%) Multithreading
11 94 (5.68%) Computer Science
12 80 (4.83%) Stakeholder Management
13 78 (4.71%) Test Automation
14 73 (4.41%) Analytics
15 68 (4.11%) Machine Learning
16 67 (4.05%) Continuous Integration
16 67 (4.05%) ITIL
17 66 (3.99%) OO
17 66 (3.99%) Unit Testing
18 64 (3.86%) Mathematics
Programming Languages
1 626 (37.80%) C++
2 348 (21.01%) Java
3 335 (20.23%) Python
4 229 (13.83%) SQL
5 169 (10.21%) Embedded C
6 115 (6.94%) C#
7 107 (6.46%) JavaScript
8 83 (5.01%) MATLAB
9 78 (4.71%) Embedded C++
10 77 (4.65%) Perl
11 55 (3.32%) PL/SQL
12 48 (2.90%) Bash Shell
12 48 (2.90%) Ruby
13 46 (2.78%) PowerShell
14 45 (2.72%) Shell Script
15 43 (2.60%) R
16 36 (2.17%) PHP
17 32 (1.93%) Assembly Language
18 29 (1.75%) Java 8
19 27 (1.63%) Korn
Qualifications
1 330 (19.93%) Security Cleared
2 210 (12.68%) Degree
3 202 (12.20%) SC Cleared
4 128 (7.73%) DV Cleared
5 37 (2.23%) Computer Science Degree
6 27 (1.63%) PRINCE2 Certification
7 21 (1.27%) BPSS Clearance
8 20 (1.21%) Microsoft Certification
9 19 (1.15%) PhD
10 15 (0.91%) ISTQB
10 15 (0.91%) PMI Certification
11 14 (0.85%) CISSP
11 14 (0.85%) Master's Degree
12 12 (0.72%) PMP
13 10 (0.60%) CISM
14 8 (0.48%) MCP
15 7 (0.42%) APMP
15 7 (0.42%) OCP
15 7 (0.42%) Oracle Certification
15 7 (0.42%) SAP Certification
Quality Assurance & Compliance
1 41 (2.48%) MISRA
2 28 (1.69%) QA
3 27 (1.63%) PMO
4 26 (1.57%) DO-178B
5 20 (1.21%) MISRA C
6 15 (0.91%) HMG Security Policy Framework
7 13 (0.79%) ISO/IEC 27001
7 13 (0.79%) JSP 440
8 11 (0.66%) HMG Infosec
8 11 (0.66%) Sarbanes-Oxley
9 10 (0.60%) SLA
10 9 (0.54%) DO-254
11 6 (0.36%) Data Quality
11 6 (0.36%) IEC 61508
11 6 (0.36%) JTAG
12 5 (0.30%) GDPR
12 5 (0.30%) HIPAA
12 5 (0.30%) ISO/IEC 20000
13 4 (0.24%) Cyber Essentials
14 3 (0.18%) IEC 62304
System Software
1 74 (4.47%) Firmware
2 73 (4.41%) Active Directory
3 68 (4.11%) Docker
4 21 (1.27%) VMware Infrastructure
5 14 (0.85%) Apache Flume
6 10 (0.60%) Virtual Machines
7 9 (0.54%) Hyper-V
8 8 (0.48%) vSphere
9 7 (0.42%) NFS
9 7 (0.42%) XenApp
10 6 (0.36%) RACF
10 6 (0.36%) Shibboleth
11 5 (0.30%) VMware ESXi
12 4 (0.24%) HDFS
13 3 (0.18%) Oracle RAC
13 3 (0.18%) Terminal Server
13 3 (0.18%) Virtual Desktop
14 2 (0.12%) OpenDJ
14 2 (0.12%) OpenIDM
14 2 (0.12%) VirtualBox
Systems Management
1 50 (3.02%) Kubernetes
2 46 (2.78%) Ansible
3 33 (1.99%) Puppet
4 16 (0.97%) Opscode Chef
4 16 (0.97%) Terraform
5 12 (0.72%) HP ALM
6 7 (0.42%) HP Quality Center
6 7 (0.42%) vRealize
7 6 (0.36%) WSUS
8 5 (0.30%) Cisco CUCM
8 5 (0.30%) Microsoft Clustering
8 5 (0.30%) Nagios
8 5 (0.30%) Packer
8 5 (0.30%) SCCM
8 5 (0.30%) Single Sign-On
9 4 (0.24%) nmon
9 4 (0.24%) Oracle Enterprise Manager
9 4 (0.24%) vMotion
10 3 (0.18%) Netcool
10 3 (0.18%) Tivoli
Vendors
1 147 (8.88%) Microsoft
2 112 (6.76%) Oracle
3 38 (2.29%) Cisco
3 38 (2.29%) SAP
4 34 (2.05%) VMware
5 32 (1.93%) IBM
6 29 (1.75%) Google
6 29 (1.75%) HP
6 29 (1.75%) Red Hat
7 19 (1.15%) ServiceNow
8 17 (1.03%) Atlassian
9 16 (0.97%) Adobe
10 13 (0.79%) Citrix
10 13 (0.79%) Micro Focus
11 12 (0.72%) Splunk
12 11 (0.66%) BT
12 11 (0.66%) F5
12 11 (0.66%) Xilinx
13 10 (0.60%) Remedy
13 10 (0.60%) Salesforce.com