Period
to 14 December 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 14 December 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
14 Dec 2019
Same period 2018 Same period 2017
Rank 125 169 171
Rank change year-on-year +44 +2 -40
Contract jobs citing C 1,610 1,750 1,616
As % of all contract IT jobs advertised in the UK 2.03% 1.67% 1.57%
As % of the Programming Languages category 4.95% 3.72% 3.73%
Number of daily rates quoted 889 973 860
UK median daily rate £450 £463 £450
Median daily rate % change year-on-year -2.70% +2.78% +5.88%
10th Percentile £323 £313 £300
90th Percentile £643 £650 £675
UK excluding London median daily rate £450 £410 £400
% change year-on-year +9.76% +2.50% +3.23%
Number of hourly rates quoted 215 197 187
UK median hourly rate £45.50 £42.50 £42.00
Median hourly rate % change year-on-year +7.06% +1.19% +5.00%
10th Percentile £32.50 £19.03 £26.25
90th Percentile £53.75 £50.45 £52.50
UK excluding London median hourly rate £45.00 £42.50 £42.00
% change year-on-year +5.88% +1.19% +5.00%

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 32,554 46,995 43,374
As % of all contract IT jobs advertised in the UK 41.14% 44.79% 42.01%
Number of daily rates quoted 22,400 33,088 30,453
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.88%
10th Percentile £323 £319 £308
90th Percentile £650 £644 £638
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% +6.67%
Number of hourly rates quoted 658 703 777
UK median hourly rate £43.00 £42.00 £40.00
Median hourly rate % change year-on-year +2.38% +5.00% +1.27%
10th Percentile £17.24 £16.73 £16.25
90th Percentile £55.00 £52.50 £52.35
UK excluding London median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +1.27%

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 14 December 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 14 December 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 14 December 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 +57 1,557 £453 -4.74% 1,194
UK excluding London +48 1,169 £450 +9.76% 1,024
London +13 407 £525 - 247
South West +35 387 £450 - 150
South East +41 341 £425 +10.39% 257
East of England +21 189 £450 +5.88% 212
North of England +23 123 £398 +6.00% 186
Midlands +63 98 £400 -5.88% 142
West Midlands +60 82 £410 -12.53% 81
North West +10 60 £385 +2.67% 89
Yorkshire +17 33 £385 -3.75% 77
North East +40 30 £450 +32.35% 20
Scotland +12 16 £421 +19.93% 40
East Midlands +11 15 £300 -17.71% 61
Wales -2 14 £375 -16.67% 22
Northern Ireland -12 2 £433 +8.25% 15

For the 6 months to 14 December 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.

1 588 (36.52%) C++
2 483 (30.00%) Software Engineering
3 481 (29.88%) Agile Software Development
4 383 (23.79%) Linux
5 335 (20.81%) Security Cleared
6 300 (18.63%) Python
7 237 (14.72%) SC Cleared
8 232 (14.41%) Java
9 220 (13.66%) Windows
10 212 (13.17%) Embedded C
11 187 (11.61%) SQL
11 187 (11.61%) Finance
12 181 (11.24%) Microsoft
13 166 (10.31%) Degree
14 165 (10.25%) Scrum
15 159 (9.88%) JIRA
16 155 (9.63%) UML
17 150 (9.32%) DV Cleared
18 147 (9.13%) C#
19 140 (8.70%) Problem-Solving
20 132 (8.20%) DevOps
21 123 (7.64%) Analytical Skills
21 123 (7.64%) TDD
22 119 (7.39%) Unix
23 118 (7.33%) Oracle
24 115 (7.14%) Test Automation
25 114 (7.08%) Embedded C++
26 110 (6.83%) Git (software)
27 108 (6.71%) Continuous Integration
28 105 (6.52%) 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
1 103 (6.40%) Confluence
2 32 (1.99%) CMS
3 25 (1.55%) Apache Spark
4 15 (0.93%) JBoss
4 15 (0.93%) MS Exchange
5 12 (0.75%) Exchange Server 2010
5 12 (0.75%) SharePoint
6 10 (0.62%) Apache
7 9 (0.56%) SAS
8 8 (0.50%) Elasticsearch
8 8 (0.50%) OpenStack
8 8 (0.50%) Skype for Business
9 7 (0.43%) WebLogic
10 6 (0.37%) IIS
11 5 (0.31%) Captiva
11 5 (0.31%) Documentum
12 4 (0.25%) Adobe Experience Manager
13 3 (0.19%) Kinematics
13 3 (0.19%) WebSphere
14 2 (0.12%) ColdFusion
Applications
1 53 (3.29%) Microsoft Excel
2 41 (2.55%) Microsoft Office
3 26 (1.61%) Simulink
4 25 (1.55%) Microsoft PowerPoint
5 16 (0.99%) Microsoft Project
6 14 (0.87%) MS Visio
7 9 (0.56%) Stateflow
8 8 (0.50%) Spreadsheet
9 7 (0.43%) Adobe Illustrator
9 7 (0.43%) Inkscape
10 2 (0.12%) AutoCAD
10 2 (0.12%) FileZilla
10 2 (0.12%) Notepad++
10 2 (0.12%) Quicktime
11 1 (0.062%) Abaqus
11 1 (0.062%) Autodesk Inventor
11 1 (0.062%) CATIA
11 1 (0.062%) Chatbot
11 1 (0.062%) SOLIDWORKS
11 1 (0.062%) Windchill
Business Applications
1 19 (1.18%) Dynamics NAV
2 16 (0.99%) ION MarketView
3 14 (0.87%) Sparx Enterprise Architect
4 11 (0.68%) Dynamics CRM
5 9 (0.56%) FINCAD Analytics
6 7 (0.43%) SAP S/4HANA
7 4 (0.25%) SAP CO
7 4 (0.25%) SAP FI
7 4 (0.25%) SAP FI/CO
8 3 (0.19%) LabWindows
8 3 (0.19%) Oracle EBS
8 3 (0.19%) Payment Gateway
9 2 (0.12%) assyst
9 2 (0.12%) Oracle BPM
9 2 (0.12%) Oracle Procure-to-Pay
9 2 (0.12%) SAP CRM
9 2 (0.12%) SAP Oil and Gas
10 1 (0.062%) Oracle Financials
10 1 (0.062%) SAP MM
10 1 (0.062%) SAP WM
Cloud Services
1 105 (6.52%) Azure
2 90 (5.59%) AWS
3 33 (2.05%) Office 365
4 27 (1.68%) GCP
5 21 (1.30%) IaaS
5 21 (1.30%) Serverless
6 20 (1.24%) Cloud Computing
6 20 (1.24%) Power Platform
7 19 (1.18%) GitHub
8 17 (1.06%) PaaS
8 17 (1.06%) SaaS
9 15 (0.93%) OpenShift
10 12 (0.75%) Amazon S3
11 11 (0.68%) AWS Lambda
12 8 (0.50%) Adobe Analytics
12 8 (0.50%) Amazon SQS
12 8 (0.50%) AWS Step Functions
13 7 (0.43%) Datadog
13 7 (0.43%) Dynamics 365
13 7 (0.43%) TestFlight
Communications & Networking
1 80 (4.97%) Internet
2 71 (4.41%) DNS
3 67 (4.16%) TCP/IP
4 61 (3.79%) Wireless
5 46 (2.86%) Firewall
6 40 (2.48%) DHCP
7 37 (2.30%) Ethernet
8 35 (2.17%) Bluetooth
8 35 (2.17%) Wi-Fi
8 35 (2.17%) Wireshark
9 27 (1.68%) LAN
10 25 (1.55%) WAN
11 24 (1.49%) RS-485
12 22 (1.37%) SNMP
13 21 (1.30%) RS-232
14 20 (1.24%) HTTPS
14 20 (1.24%) ZigBee
15 19 (1.18%) HTTP
16 17 (1.06%) SAN
16 17 (1.06%) VoIP
Database & Business Intelligence
1 52 (3.23%) SQL Server
2 47 (2.92%) Hadoop
3 43 (2.67%) Big Data
3 43 (2.67%) MongoDB
4 31 (1.93%) MySQL
5 28 (1.74%) Relational Database
6 26 (1.61%) NoSQL
7 20 (1.24%) Power BI
8 19 (1.18%) PostgreSQL
9 17 (1.06%) Oracle Database
10 14 (0.87%) Apache Hive
10 14 (0.87%) Data Warehouse
11 13 (0.81%) Amazon Redshift
12 11 (0.68%) Data Lake
13 10 (0.62%) DB2
14 9 (0.56%) KDB
14 9 (0.56%) Presto
14 9 (0.56%) SAP HANA
15 8 (0.50%) Amazon Aurora
15 8 (0.50%) Amazon RDS
Development Applications
1 159 (9.88%) JIRA
2 110 (6.83%) Git (software)
3 80 (4.97%) Jenkins
4 57 (3.54%) Rational Rhapsody
5 53 (3.29%) Rational DOORS
6 30 (1.86%) Cucumber
6 30 (1.86%) GoogleTest
7 27 (1.68%) Subversion
8 26 (1.61%) Selenium
9 24 (1.49%) Atlassian Bamboo
9 24 (1.49%) Visual Studio
10 20 (1.24%) PVCS
11 19 (1.18%) Maven
12 16 (0.99%) ClearCase
12 16 (0.99%) ProC
12 16 (0.99%) Sonatype Nexus
12 16 (0.99%) Team Foundation Server
13 15 (0.93%) GDB
13 15 (0.93%) NUnit
14 12 (0.75%) Xcode
General
1 187 (11.61%) Finance
2 88 (5.47%) Military
3 80 (4.97%) Public Sector
4 66 (4.10%) Electronics
5 64 (3.98%) Banking
6 61 (3.79%) Law
7 44 (2.73%) Telecoms
8 42 (2.61%) Manufacturing
9 39 (2.42%) Marketing
10 36 (2.24%) Retail
11 31 (1.93%) Aerospace
12 27 (1.68%) Front Office
13 26 (1.61%) Local Government
14 20 (1.24%) Automotive
15 17 (1.06%) Games
15 17 (1.06%) Pharmaceutical
16 14 (0.87%) Investment Banking
17 12 (0.75%) Avionics
18 10 (0.62%) Publishing
19 9 (0.56%) Legal
Job Titles
1 368 (22.86%) Software Engineer
2 301 (18.70%) Developer
3 226 (14.04%) Embedded Engineer
4 182 (11.30%) Embedded Software Engineer
5 138 (8.57%) C++ Software Engineer
6 136 (8.45%) Analyst
7 112 (6.96%) C Software Engineer
8 96 (5.96%) C/C++ Software Engineer
9 88 (5.47%) Architect
10 67 (4.16%) Embedded C Engineer
11 65 (4.04%) Embedded C++ Engineer
12 63 (3.91%) C Developer
13 60 (3.73%) Systems Engineer
14 59 (3.66%) Embedded C Software Engineer
15 58 (3.60%) Embedded C++ Software Engineer
16 57 (3.54%) Embedded C/C++ Engineer
17 53 (3.29%) C/C++ Embedded Software Engineer
17 53 (3.29%) Embedded C/C++ Software Engineer
18 49 (3.04%) Software Developer
19 47 (2.92%) Test Engineer
Libraries, Frameworks & Software Standards
1 78 (4.84%) .NET
2 63 (3.91%) XML
3 59 (3.66%) Web Services
4 40 (2.48%) Middleware
5 38 (2.36%) AngularJS
5 38 (2.36%) React
6 36 (2.24%) HTML
6 36 (2.24%) Node.js
7 28 (1.74%) REST
8 24 (1.49%) CSS
8 24 (1.49%) STL
9 23 (1.43%) Gherkin
10 22 (1.37%) Kafka
11 19 (1.18%) JSON
12 18 (1.12%) Spring
13 17 (1.06%) ASP.NET
13 17 (1.06%) RESTful
13 17 (1.06%) SOAP
14 16 (0.99%) JNI
15 15 (0.93%) Rendezvous
Miscellaneous
1 123 (7.64%) Analytical Skills
2 56 (3.48%) Management Information System
3 55 (3.42%) Embedded Systems
4 53 (3.29%) Algorithms
5 46 (2.86%) Data Centre
6 43 (2.67%) Field-Programmable Gate Array
7 42 (2.61%) Self-Motivation
8 33 (2.05%) Device Driver
9 31 (1.93%) Greenfield Project
10 24 (1.49%) ASIC
10 24 (1.49%) User Experience
11 21 (1.30%) Enterprise Software
12 17 (1.06%) Derivative
12 17 (1.06%) Mobile App
13 15 (0.93%) VHDL
14 13 (0.81%) PKI
14 13 (0.81%) Public Cloud
15 12 (0.75%) Driving Licence
15 12 (0.75%) e-Learning
15 12 (0.75%) Hedge funds
Operating Systems
1 383 (23.79%) Linux
2 220 (13.66%) Windows
3 119 (7.39%) Unix
4 50 (3.11%) Android
5 49 (3.04%) Embedded Linux
5 49 (3.04%) FreeRTOS
6 38 (2.36%) ThreadX
7 34 (2.11%) Windows Server 2012
8 32 (1.99%) Apple iOS
9 31 (1.93%) Red Hat Enterprise Linux
10 29 (1.80%) Windows Server
11 28 (1.74%) Windows Server 2008
12 26 (1.61%) OpenVMS
13 19 (1.18%) Windows Server 2003
14 15 (0.93%) Solaris
14 15 (0.93%) Windows 10
15 11 (0.68%) AIX
15 11 (0.68%) Windows 7
16 8 (0.50%) VxWorks
17 7 (0.43%) Mac OS
Processes & Methodologies
1 483 (30.00%) Software Engineering
2 481 (29.88%) Agile Software Development
3 165 (10.25%) Scrum
4 155 (9.63%) UML
5 140 (8.70%) Problem-Solving
6 132 (8.20%) DevOps
7 123 (7.64%) TDD
8 115 (7.14%) Test Automation
9 108 (6.71%) Continuous Integration
10 101 (6.27%) Stakeholder Management
11 97 (6.02%) Cybersecurity
12 89 (5.53%) OO
13 88 (5.47%) ITIL
14 86 (5.34%) Project Management
14 86 (5.34%) User Stories
15 84 (5.22%) Configuration Management
16 79 (4.91%) Migration
17 78 (4.84%) Computer Science
18 77 (4.78%) Information Security
19 72 (4.47%) Analytics
Programming Languages
1 588 (36.52%) C++
2 300 (18.63%) Python
3 232 (14.41%) Java
4 212 (13.17%) Embedded C
5 187 (11.61%) SQL
6 147 (9.13%) C#
7 114 (7.08%) Embedded C++
8 78 (4.84%) JavaScript
9 52 (3.23%) MATLAB
9 52 (3.23%) PowerShell
10 50 (3.11%) Ruby
11 48 (2.98%) Bash Shell
12 39 (2.42%) Perl
13 36 (2.24%) PL/SQL
14 25 (1.55%) VB.NET
15 22 (1.37%) Fortran
16 20 (1.24%) Go
16 20 (1.24%) PHP
17 19 (1.18%) Objective-C
17 19 (1.18%) Scala
Qualifications
1 335 (20.81%) Security Cleared
2 237 (14.72%) SC Cleared
3 166 (10.31%) Degree
4 150 (9.32%) DV Cleared
5 44 (2.73%) Computer Science Degree
6 28 (1.74%) CISSP
7 25 (1.55%) Cisco Certification
8 19 (1.18%) CCNA
9 18 (1.12%) BPSS Clearance
10 16 (0.99%) CESG Certified Professional
10 16 (0.99%) Microsoft Certification
11 15 (0.93%) ISEB
11 15 (0.93%) PMI Certification
12 14 (0.87%) CISM
12 14 (0.87%) HND
12 14 (0.87%) PMP
13 13 (0.81%) ISTQB
13 13 (0.81%) SANS
14 10 (0.62%) GIAC
14 10 (0.62%) Numerate Degree
Quality Assurance & Compliance
1 75 (4.66%) QA
2 30 (1.86%) MISRA
3 20 (1.24%) ISO/IEC 27001
3 20 (1.24%) PMO
4 18 (1.12%) SLA
5 9 (0.56%) MISRA C
5 9 (0.56%) NIST
6 8 (0.50%) DO-178B
6 8 (0.50%) JSP 440
7 7 (0.43%) Def Stans
7 7 (0.43%) GDPR
7 7 (0.43%) HMG Security Policy Framework
7 7 (0.43%) JTAG
8 6 (0.37%) Sarbanes-Oxley
9 5 (0.31%) IEC 61508
9 5 (0.31%) ISO 9001
9 5 (0.31%) PCI DSS
10 4 (0.25%) HMG Infosec
11 3 (0.19%) COBIT
12 2 (0.12%) ISO 8583
System Software
1 66 (4.10%) Docker
2 58 (3.60%) Firmware
3 57 (3.54%) Active Directory
4 28 (1.74%) VMware Infrastructure
5 18 (1.12%) Virtual Machines
6 14 (0.87%) vSphere
7 11 (0.68%) Hyper-V
7 11 (0.68%) XenApp
7 11 (0.68%) XenDesktop
8 8 (0.50%) VMware ESXi
9 5 (0.31%) HDFS
10 4 (0.25%) Gluster
11 3 (0.19%) Apache Flume
11 3 (0.19%) Apache ZooKeeper
11 3 (0.19%) Microsoft App-V
12 2 (0.12%) VMware NSX
13 1 (0.062%) BitLocker
13 1 (0.062%) BusyBox
13 1 (0.062%) KVM
13 1 (0.062%) Virtual Servers
Systems Management
1 44 (2.73%) Ansible
2 43 (2.67%) Kubernetes
3 31 (1.93%) Puppet
4 26 (1.61%) Opscode Chef
5 14 (0.87%) Terraform
6 11 (0.68%) Single Sign-On
7 10 (0.62%) Nagios
7 10 (0.62%) SCCM
8 9 (0.56%) HP ALM
8 9 (0.56%) HP Quality Center
9 7 (0.43%) Cisco CUCM
9 7 (0.43%) Salt
9 7 (0.43%) WSUS
10 5 (0.31%) Hadoop YARN
10 5 (0.31%) Kibana
10 5 (0.31%) Packer
11 4 (0.25%) AirWatch
11 4 (0.25%) Grafana
11 4 (0.25%) SCOM
11 4 (0.25%) Systems Management Server (SMS)
Vendors
1 181 (11.24%) Microsoft
2 118 (7.33%) Oracle
3 103 (6.40%) Google
4 62 (3.85%) Cisco
5 60 (3.73%) Atlassian
6 56 (3.48%) Apple
6 56 (3.48%) SAP
7 45 (2.80%) VMware
8 26 (1.61%) TIBCO
9 24 (1.49%) Red Hat
10 23 (1.43%) IBM
11 19 (1.18%) Adobe
11 19 (1.18%) Citrix
12 18 (1.12%) HP
13 16 (0.99%) ION Trading
14 14 (0.87%) Juniper
14 14 (0.87%) Sparx
15 13 (0.81%) Salesforce.com
16 11 (0.68%) Tableau
17 10 (0.62%) Splunk