Period
to 18 February 2018

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 18 February 2018 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
18 Feb 2018
Same period 2017 Same period 2016
Rank 166 123 119
Rank change year-on-year -43 -4 +2
Contract jobs citing C 1,567 2,004 2,163
As % of all contract IT jobs advertised in the UK 1.57% 2.10% 2.00%
As % of the Programming Languages category 3.74% 5.18% 5.20%
Number of daily rates quoted 847 1,120 1,126
UK median daily rate £475 £425 £400
Median daily rate % change year-on-year +11.76% +6.25% +10.34%
10th Percentile £312 £300 £263
90th Percentile £663 £588 £600
UK excluding London median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 206 245 331
UK median hourly rate £41.50 £41.25 £38.75
Median hourly rate % change year-on-year +0.61% +6.45% +10.71%
10th Percentile £21.55 £14.13 £14.13
90th Percentile £52.50 £53.40 £52.25
UK excluding London median hourly rate £41.75 £41.00 £39.00
% change year-on-year +1.83% +5.13% +11.43%

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 41,931 38,690 41,618
As % of all contract IT jobs advertised in the UK 41.98% 40.64% 38.54%
Number of daily rates quoted 29,463 26,594 28,327
UK median daily rate £455 £425 £413
Median daily rate % change year-on-year +7.06% +3.03% +3.13%
10th Percentile £310 £288 £275
90th Percentile £638 £600 £600
UK excluding London median daily rate £400 £380 £375
% change year-on-year +5.26% +1.33% +7.14%
Number of hourly rates quoted 770 862 1,060
UK median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +13.64%
10th Percentile £16.74 £14.87 £14.13
90th Percentile £52.50 £52.50 £52.27
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.67% +11.94%

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 18 February 2018.

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 18 February 2018.

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 18 February 2018. 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 -41 1,467 £475 +5.56% 1,397
UK excluding London -50 894 £413 +3.13% 1,138
London -61 639 £525 +7.14% 321
South East -63 261 £400 +5.26% 269
East of England +9 232 £450 +12.50% 278
South West -24 151 £450 +0.56% 136
North of England -36 106 £425 +13.33% 192
Midlands -38 77 £369 -7.81% 197
West Midlands -28 54 £350 - 143
North West +4 53 £488 +14.71% 116
Wales -12 39 £393 -7.65% 21
North East -1 30 £400 +21.21% 26
Yorkshire -36 22 £425 +6.25% 50
Scotland -69 21 £443 +32.58% 33
East Midlands -21 19 £400 -9.09% 51
Northern Ireland -19 7 £350 -15.66% 12

For the 6 months to 18 February 2018, 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.

1 456 (29.10%) C++
2 398 (25.40%) Linux
3 389 (24.82%) Agile Software Development
4 341 (21.76%) Software Engineering
5 309 (19.72%) Java
6 298 (19.02%) Security Cleared
7 280 (17.87%) Python
8 245 (15.63%) Finance
9 244 (15.57%) Windows
10 238 (15.19%) SQL
11 200 (12.76%) Degree
12 189 (12.06%) Microsoft
13 162 (10.34%) Embedded C
13 162 (10.34%) Unix
14 160 (10.21%) SC Cleared
15 148 (9.44%) JavaScript
16 140 (8.93%) Oracle
17 133 (8.49%) C#
18 126 (8.04%) DV Cleared
19 122 (7.79%) Project Management
20 118 (7.53%) Web Services
21 115 (7.34%) Computer Science
22 111 (7.08%) ITIL
23 108 (6.89%) HTML
24 104 (6.64%) Test Automation
25 101 (6.45%) Banking
26 100 (6.38%) Git (software)
27 98 (6.25%) Analytical Skills
27 98 (6.25%) TDD
28 96 (6.13%) Configuration Management

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 36 (2.30%) SharePoint
2 33 (2.11%) Apache
3 31 (1.98%) Confluence
4 29 (1.85%) JBoss
5 27 (1.72%) Apache Spark
5 27 (1.72%) WebLogic
6 23 (1.47%) WebSphere
7 21 (1.34%) Tomcat
8 15 (0.96%) MS Exchange
9 14 (0.89%) IIS
9 14 (0.89%) WebSphere Portal
10 12 (0.77%) Elasticsearch
11 10 (0.64%) CMS
11 10 (0.64%) Oracle SOA Suite
12 9 (0.57%) Apache Pig
12 9 (0.57%) SAS
13 7 (0.45%) Skype for Business
13 7 (0.45%) ThingWorx
14 6 (0.38%) Apache Airflow
15 5 (0.32%) Luigi
Applications
1 65 (4.15%) Microsoft Excel
2 59 (3.77%) Microsoft Office
3 39 (2.49%) Microsoft Project
4 36 (2.30%) Simulink
5 34 (2.17%) Microsoft PowerPoint
6 27 (1.72%) MS Visio
7 8 (0.51%) Spreadsheet
8 6 (0.38%) Stateflow
9 5 (0.32%) Doxygen
9 5 (0.32%) Pipeline Pilot
10 4 (0.26%) SPSS
11 2 (0.13%) Chatbot
11 2 (0.13%) InfoPath
11 2 (0.13%) TargetLink
12 1 (0.064%) GNU Octave
12 1 (0.064%) InVision
12 1 (0.064%) LaTeX
12 1 (0.064%) OmniGraffle
12 1 (0.064%) Pixate
12 1 (0.064%) UXPin
Business Applications
1 16 (1.02%) Oracle BPM
2 15 (0.96%) Dynamics NAV
3 10 (0.64%) ION MarketView
4 8 (0.51%) Dynamics AX
5 7 (0.45%) Oracle EBS
6 6 (0.38%) SAP S/4HANA
7 4 (0.26%) Infor CRM
7 4 (0.26%) LabWindows
7 4 (0.26%) NetSuite
7 4 (0.26%) Unit4 Business World
8 3 (0.19%) Dynamics CRM
8 3 (0.19%) Maximo
8 3 (0.19%) RMDS
8 3 (0.19%) SAP PM
8 3 (0.19%) SAP SRM
9 2 (0.13%) Magento
9 2 (0.13%) Oracle ERP
9 2 (0.13%) Oracle Retail
9 2 (0.13%) Oracle SCM
10 1 (0.064%) Workday HCM
Cloud Services
1 69 (4.40%) Amazon AWS
2 45 (2.87%) Microsoft Azure
3 41 (2.62%) SaaS
4 26 (1.66%) IaaS
5 25 (1.60%) Office 365
6 24 (1.53%) PaaS
7 15 (0.96%) Cloud Computing
8 11 (0.70%) Amazon S3
8 11 (0.70%) Google Cloud Platform
9 10 (0.64%) GitHub
10 6 (0.38%) G Suite
10 6 (0.38%) OneDrive
11 5 (0.32%) Serverless
11 5 (0.32%) Virtual Private Cloud
12 4 (0.26%) OpenShift
13 3 (0.19%) Amazon EC2
13 3 (0.19%) AWS Data Pipeline
13 3 (0.19%) AWS Lambda
13 3 (0.19%) Datadog
14 2 (0.13%) Yammer
Communications & Networking
1 94 (6.00%) Wireless
2 60 (3.83%) TCP/IP
3 52 (3.32%) Bluetooth
4 33 (2.11%) Firewall
5 29 (1.85%) HTTP
6 28 (1.79%) Internet
7 27 (1.72%) DNS
7 27 (1.72%) LAN
8 26 (1.66%) Wi-Fi
9 23 (1.47%) LTE
10 22 (1.40%) Network Security
11 21 (1.34%) VPN
12 20 (1.28%) WAN
13 19 (1.21%) 3GPP
14 16 (1.02%) DHCP
14 16 (1.02%) VLAN
15 15 (0.96%) Ethernet
15 15 (0.96%) NAS
16 14 (0.89%) 3G
17 13 (0.83%) GSM
Database & Business Intelligence
1 84 (5.36%) SQL Server
2 52 (3.32%) Relational Database
3 50 (3.19%) MySQL
4 43 (2.74%) Big Data
5 42 (2.68%) Oracle Database
6 39 (2.49%) GIS
7 37 (2.36%) Hadoop
8 30 (1.91%) Oracle Database 11g
9 27 (1.72%) MongoDB
10 24 (1.53%) Oracle Database 10g
11 23 (1.47%) RDBMS
12 22 (1.40%) PostgreSQL
13 18 (1.15%) Ingres
13 18 (1.15%) NoSQL
14 15 (0.96%) Apache Hive
15 14 (0.89%) Data Warehouse
16 13 (0.83%) Power BI
17 12 (0.77%) HBase
18 11 (0.70%) Data Mining
19 10 (0.64%) Oracle Reports
Development Applications
1 100 (6.38%) Git (software)
2 68 (4.34%) Subversion
3 64 (4.08%) JIRA
4 53 (3.38%) Jenkins
5 43 (2.74%) Visual Studio
6 33 (2.11%) Rational DOORS
7 26 (1.66%) Rational Rhapsody
8 25 (1.60%) TeamCity
9 23 (1.47%) Maven
9 23 (1.47%) Selenium
10 20 (1.28%) JUnit
11 19 (1.21%) ProC
12 18 (1.15%) Jasmine
12 18 (1.15%) Team Foundation Server
13 15 (0.96%) GDB
14 14 (0.89%) Gradle
15 13 (0.83%) Cucumber
16 12 (0.77%) SoapUI
17 11 (0.70%) JMeter
17 11 (0.70%) Mocha
General
1 245 (15.63%) Finance
2 101 (6.45%) Banking
3 84 (5.36%) Telecoms
4 82 (5.23%) Electronics
5 53 (3.38%) Automotive
6 40 (2.55%) Marketing
7 37 (2.36%) Law
8 36 (2.30%) Investment Banking
9 32 (2.04%) Retail
10 27 (1.72%) Manufacturing
11 26 (1.66%) Front Office
12 25 (1.60%) Legal
12 25 (1.60%) Military
13 20 (1.28%) Aerospace
14 14 (0.89%) Publishing
15 12 (0.77%) Retail Banking
16 10 (0.64%) Back Office
16 10 (0.64%) Games
17 9 (0.57%) Advertising
17 9 (0.57%) Pharmaceutical
Job Titles
1 354 (22.59%) Developer
2 231 (14.74%) Software Engineer
3 148 (9.44%) Analyst
4 141 (9.00%) Embedded Engineer
5 106 (6.76%) Embedded Software Engineer
6 76 (4.85%) Java Developer
7 73 (4.66%) Business Analyst
8 68 (4.34%) Architect
9 67 (4.28%) Project Manager
10 63 (4.02%) Software Developer
11 57 (3.64%) Consultant
12 55 (3.51%) C Developer
13 45 (2.87%) C++ Developer
13 45 (2.87%) C++ Software Engineer
13 45 (2.87%) Senior Developer
14 42 (2.68%) Embedded Developer
15 41 (2.62%) Python Developer
16 40 (2.55%) Test Engineer
17 34 (2.17%) Linux Engineer
18 29 (1.85%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 118 (7.53%) Web Services
2 108 (6.89%) HTML
3 89 (5.68%) .NET
4 78 (4.98%) XML
5 72 (4.59%) CSS
6 54 (3.45%) J2EE
7 46 (2.94%) jQuery
8 39 (2.49%) SOAP
9 35 (2.23%) REST
10 33 (2.11%) ASP.NET
11 32 (2.04%) HTML5
12 31 (1.98%) CSS3
13 30 (1.91%) Node.js
14 28 (1.79%) Middleware
15 27 (1.72%) RESTful
16 25 (1.60%) JSON
16 25 (1.60%) Spring
17 24 (1.53%) React
18 23 (1.47%) AngularJS
18 23 (1.47%) JSF
Miscellaneous
1 115 (7.34%) Computer Science
2 98 (6.25%) Analytical Skills
3 68 (4.34%) Management Information System
4 51 (3.25%) Algorithms
5 45 (2.87%) User Experience
6 43 (2.74%) Embedded Systems
7 42 (2.68%) Foreign Exchange (FX)
8 32 (2.04%) Mobile App
9 31 (1.98%) Derivative
9 31 (1.98%) Device Driver
10 28 (1.79%) Greenfield Project
11 22 (1.40%) Field-Programmable Gate Array
12 21 (1.34%) Enterprise Software
12 21 (1.34%) Fixed Income
13 18 (1.15%) Cyberthreat
14 17 (1.08%) VSAM
15 13 (0.83%) Data Centre
15 13 (0.83%) Virtual Team
16 12 (0.77%) Data Structures
16 12 (0.77%) Equities
Operating Systems
1 398 (25.40%) Linux
2 244 (15.57%) Windows
3 162 (10.34%) Unix
4 56 (3.57%) Windows Server
5 54 (3.45%) Android
6 42 (2.68%) Red Hat Enterprise Linux
7 37 (2.36%) AIX
8 33 (2.11%) Apple iOS
9 31 (1.98%) Embedded Linux
9 31 (1.98%) Solaris
10 29 (1.85%) Windows 7
11 25 (1.60%) Windows Server 2008
12 24 (1.53%) Windows Server 2012
13 19 (1.21%) Mac OS X
13 19 (1.21%) VME
13 19 (1.21%) Windows 10
14 18 (1.15%) MVS
14 18 (1.15%) VMS
15 17 (1.08%) VxWorks
16 15 (0.96%) HPUX
Processes & Methodologies
1 389 (24.82%) Agile Software Development
2 341 (21.76%) Software Engineering
3 122 (7.79%) Project Management
4 111 (7.08%) ITIL
5 104 (6.64%) Test Automation
6 98 (6.25%) TDD
7 96 (6.13%) Configuration Management
8 94 (6.00%) Continuous Integration
9 93 (5.93%) SDLC
10 87 (5.55%) Stakeholder Management
11 84 (5.36%) Scrum
12 80 (5.11%) Change Management
13 78 (4.98%) Open Source
14 75 (4.79%) UML
15 72 (4.59%) Migration
16 68 (4.34%) DevOps
17 67 (4.28%) Multithreading
17 67 (4.28%) Risk Management
18 61 (3.89%) Mentoring
19 60 (3.83%) Mathematics
Programming Languages
1 456 (29.10%) C++
2 309 (19.72%) Java
3 280 (17.87%) Python
4 238 (15.19%) SQL
5 162 (10.34%) Embedded C
6 148 (9.44%) JavaScript
7 133 (8.49%) C#
8 66 (4.21%) Perl
9 62 (3.96%) Shell Script
10 61 (3.89%) PL/SQL
11 60 (3.83%) MATLAB
12 47 (3.00%) Embedded C++
13 44 (2.81%) PowerShell
14 38 (2.43%) Ruby
15 34 (2.17%) Bash Shell
16 31 (1.98%) T-SQL
17 29 (1.85%) PHP
18 23 (1.47%) Assembly Language
19 21 (1.34%) JCL
20 20 (1.28%) R
Qualifications
1 298 (19.02%) Security Cleared
2 200 (12.76%) Degree
3 160 (10.21%) SC Cleared
4 126 (8.04%) DV Cleared
5 38 (2.43%) Computer Science Degree
6 25 (1.60%) ISEB
7 24 (1.53%) CISSP
8 22 (1.40%) Numerate Degree
9 21 (1.34%) Master's Degree
10 19 (1.21%) BPSS Clearance
11 12 (0.77%) Cisco Certification
11 12 (0.77%) ITIL Certification
11 12 (0.77%) Microsoft Certification
11 12 (0.77%) PRINCE2 Practitioner
12 11 (0.70%) PhD
13 10 (0.64%) MCP
14 9 (0.57%) CCNP
15 7 (0.45%) CISM
15 7 (0.45%) HNC
15 7 (0.45%) PMP
Quality Assurance & Compliance
1 44 (2.81%) QA
2 42 (2.68%) MISRA
3 34 (2.17%) PMO
4 31 (1.98%) GDPR
5 17 (1.08%) MISRA C
6 16 (1.02%) ISO 9001
7 15 (0.96%) Def Stans
8 12 (0.77%) IEC 62304
9 11 (0.70%) ISO 26262
10 10 (0.64%) SLA
10 10 (0.64%) WCAG
11 9 (0.57%) COBIT
11 9 (0.57%) Data Quality
12 8 (0.51%) Disclosure Scotland
12 8 (0.51%) ISO/IEC 27001
13 6 (0.38%) DO-178B
13 6 (0.38%) IFRS
13 6 (0.38%) IFRS 9
14 5 (0.32%) IEC 61508
14 5 (0.32%) MiFID
System Software
1 78 (4.98%) Active Directory
2 54 (3.45%) VMware Infrastructure
3 41 (2.62%) Docker
4 36 (2.30%) Firmware
5 18 (1.15%) Job Entry Subsystem
6 17 (1.08%) RACF
7 15 (0.96%) Tivoli Workload Scheduler
8 14 (0.89%) vSphere
9 13 (0.83%) Apache Flume
10 11 (0.70%) KVM
10 11 (0.70%) VMware ESXi
11 9 (0.57%) NFS
12 8 (0.51%) Virtual Machines
13 5 (0.32%) Advanced Linux Sound Architecture
13 5 (0.32%) XenApp
13 5 (0.32%) XenDesktop
14 4 (0.26%) Hyper-V
15 3 (0.19%) Virtual Servers
15 3 (0.19%) VMware Workstation
16 2 (0.13%) Oracle RAC
Systems Management
1 47 (3.00%) Puppet
2 39 (2.49%) Ansible
2 39 (2.49%) Opscode Chef
3 20 (1.28%) Tivoli
4 19 (1.21%) Kubernetes
5 18 (1.15%) Tivoli Monitoring
6 13 (0.83%) HP Quality Center
6 13 (0.83%) SCCM
7 10 (0.64%) Terraform
8 9 (0.57%) Nagios
9 7 (0.45%) Grafana
9 7 (0.45%) Packer
10 6 (0.38%) SCOM
11 5 (0.32%) Mesos
11 5 (0.32%) SELinux
11 5 (0.32%) Systems Management Server (SMS)
11 5 (0.32%) WSUS
12 4 (0.26%) Cobbler
12 4 (0.26%) Salt
12 4 (0.26%) WhatsUp Gold
Vendors
1 189 (12.06%) Microsoft
2 140 (8.93%) Oracle
3 68 (4.34%) VMware
4 50 (3.19%) HP
5 44 (2.81%) Red Hat
6 36 (2.30%) Cisco
7 32 (2.04%) Google
8 31 (1.98%) SAP
9 26 (1.66%) ServiceNow
10 22 (1.40%) Atlassian
11 19 (1.21%) BMC
12 17 (1.08%) Fujitsu
12 17 (1.08%) Splunk
13 16 (1.02%) Citrix
14 14 (0.89%) IBM
15 13 (0.83%) NetApp
16 10 (0.64%) ION Trading
17 9 (0.57%) Solace
17 9 (0.57%) Talend
18 8 (0.51%) Alteryx