Period
to 18 January 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 January 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 Jan 2018
Same period 2017 Same period 2016
Rank 162 120 123
Rank change year-on-year -42 +3 +4
Contract jobs citing C 1,619 2,082 2,045
As % of all contract IT jobs advertised in the UK 1.61% 2.14% 1.91%
As % of the Programming Languages category 3.83% 5.25% 4.95%
Number of daily rates quoted 876 1,107 1,105
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +10.34%
10th Percentile £300 £280 £263
90th Percentile £663 £588 £600
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.67% +7.14%
Number of hourly rates quoted 191 255 321
UK median hourly rate £42.00 £41.25 £38.75
Median hourly rate % change year-on-year +1.82% +6.45% +15.67%
10th Percentile £22.50 £16.01 £14.13
90th Percentile £52.50 £52.50 £50.00
UK excluding London median hourly rate £41.50 £41.25 £39.00
% change year-on-year +0.61% +5.77% +14.71%

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 42,225 39,668 41,328
As % of all contract IT jobs advertised in the UK 42.10% 40.82% 38.51%
Number of daily rates quoted 29,782 27,236 28,048
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £308 £289 £275
90th Percentile £638 £600 £591
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 756 867 1,054
UK median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +15.38%
10th Percentile £16.56 £14.75 £14.13
90th Percentile £52.50 £52.20 £51.11
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.67% +15.38%

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 January 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 January 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 January 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 -39 1,512 £475 +8.57% 1,325
UK excluding London -48 950 £400 - 1,058
London -47 636 £525 +10.53% 323
South East -58 264 £400 +6.67% 241
East of England +11 240 £425 +11.48% 252
South West -13 173 £413 -7.82% 123
North of England -42 113 £425 +13.33% 201
Midlands -36 84 £350 -12.50% 175
West Midlands -22 59 £325 -18.75% 127
North West +10 58 £475 +11.76% 103
Scotland -46 34 £435 +29.85% 25
North East -13 33 £400 +21.21% 28
Wales -10 32 £375 -11.50% 30
East Midlands -13 22 £400 -9.09% 46
Yorkshire -29 21 £425 +6.25% 70
Northern Ireland -24 11 £375 -9.64% 11

For the 6 months to 18 January 2018, IT contractor jobs citing C also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for C.

1 511 (31.56%) C++
2 417 (25.76%) Linux
3 405 (25.02%) Agile Software Development
4 341 (21.06%) Software Engineering
5 314 (19.39%) Java
6 296 (18.28%) Security Cleared
7 291 (17.97%) Python
8 254 (15.69%) Finance
9 252 (15.57%) Windows
10 243 (15.01%) SQL
11 201 (12.42%) Degree
12 179 (11.06%) Microsoft
13 167 (10.32%) Embedded C
14 166 (10.25%) Unix
15 151 (9.33%) C#
15 151 (9.33%) Oracle
16 144 (8.89%) JavaScript
17 140 (8.65%) SC Cleared
18 129 (7.97%) DV Cleared
19 126 (7.78%) Test Automation
20 119 (7.35%) Project Management
21 116 (7.16%) ITIL
22 115 (7.10%) Analytical Skills
23 113 (6.98%) HTML
23 113 (6.98%) Computer Science
24 110 (6.79%) Web Services
25 109 (6.73%) Scrum
26 107 (6.61%) TDD
27 104 (6.42%) Continuous Integration
28 103 (6.36%) SDLC

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 35 (2.16%) WebLogic
2 32 (1.98%) Confluence
3 29 (1.79%) Apache
4 28 (1.73%) SharePoint
5 26 (1.61%) JBoss
6 25 (1.54%) WebSphere
7 21 (1.30%) Apache Spark
7 21 (1.30%) Tomcat
8 13 (0.80%) MS Exchange
9 12 (0.74%) Elasticsearch
9 12 (0.74%) IIS
10 11 (0.68%) WebSphere Portal
11 9 (0.56%) CMS
11 9 (0.56%) SAS
12 8 (0.49%) Oracle SOA Suite
13 7 (0.43%) Apache Pig
13 7 (0.43%) OpenStack
13 7 (0.43%) Skype for Business
13 7 (0.43%) ThingWorx
14 5 (0.31%) Apache Airflow
Applications
1 66 (4.08%) Microsoft Excel
2 56 (3.46%) Microsoft Office
3 38 (2.35%) Simulink
4 37 (2.29%) Microsoft Project
5 35 (2.16%) Microsoft PowerPoint
6 22 (1.36%) MS Visio
7 8 (0.49%) Spreadsheet
8 6 (0.37%) Doxygen
8 6 (0.37%) Stateflow
9 5 (0.31%) Pipeline Pilot
10 4 (0.25%) FrameMaker
11 3 (0.19%) SPSS
11 3 (0.19%) TargetLink
12 2 (0.12%) InfoPath
13 1 (0.062%) Acrobat
13 1 (0.062%) Adobe Illustrator
13 1 (0.062%) AutoCAD
13 1 (0.062%) Photoshop
13 1 (0.062%) SOLIDWORKS
13 1 (0.062%) S-PLUS
Business Applications
1 18 (1.11%) Dynamics NAV
2 16 (0.99%) Oracle BPM
3 11 (0.68%) ION MarketView
4 6 (0.37%) Dynamics AX
5 5 (0.31%) LabWindows
5 5 (0.31%) Oracle EBS
5 5 (0.31%) Unit4 Business World
6 4 (0.25%) Infor CRM
6 4 (0.25%) NetSuite
6 4 (0.25%) RMDS
7 3 (0.19%) Dynamics CRM
7 3 (0.19%) Maximo
7 3 (0.19%) SAP BPC
8 2 (0.12%) Magento
8 2 (0.12%) Oracle ERP
8 2 (0.12%) Oracle Retail
8 2 (0.12%) Oracle SCM
8 2 (0.12%) SAP FI
8 2 (0.12%) SAP PP
8 2 (0.12%) SAP S/4HANA
Cloud Services
1 65 (4.01%) Amazon AWS
2 44 (2.72%) Microsoft Azure
3 39 (2.41%) SaaS
4 25 (1.54%) Office 365
5 24 (1.48%) PaaS
6 23 (1.42%) IaaS
7 14 (0.86%) Cloud Computing
8 10 (0.62%) Google Cloud Platform
9 9 (0.56%) Amazon S3
9 9 (0.56%) GitHub
10 4 (0.25%) OneDrive
10 4 (0.25%) Serverless
10 4 (0.25%) Virtual Private Cloud
11 3 (0.19%) AWS Data Pipeline
11 3 (0.19%) AWS Lambda
11 3 (0.19%) Datadog
12 2 (0.12%) Dropbox
12 2 (0.12%) OpenShift
12 2 (0.12%) Route 53
12 2 (0.12%) Yammer
Communications & Networking
1 99 (6.11%) Wireless
2 63 (3.89%) TCP/IP
3 53 (3.27%) Bluetooth
4 31 (1.91%) Internet
5 30 (1.85%) Firewall
5 30 (1.85%) HTTP
6 29 (1.79%) LAN
7 27 (1.67%) DNS
8 25 (1.54%) Wi-Fi
9 22 (1.36%) LTE
9 22 (1.36%) WAN
10 19 (1.17%) NAS
11 18 (1.11%) 3GPP
11 18 (1.11%) Network Security
12 17 (1.05%) VPN
13 15 (0.93%) DHCP
13 15 (0.93%) Ethernet
14 14 (0.86%) 3G
14 14 (0.86%) SSL
15 13 (0.80%) GSM
Database & Business Intelligence
1 82 (5.06%) SQL Server
2 56 (3.46%) Relational Database
3 51 (3.15%) MySQL
4 50 (3.09%) Big Data
5 36 (2.22%) Hadoop
6 34 (2.10%) Oracle Database
7 33 (2.04%) MongoDB
8 27 (1.67%) GIS
9 24 (1.48%) PostgreSQL
10 23 (1.42%) Oracle Database 11g
11 18 (1.11%) Oracle Database 10g
11 18 (1.11%) RDBMS
12 17 (1.05%) NoSQL
13 16 (0.99%) Ingres
14 15 (0.93%) Data Warehouse
15 11 (0.68%) Apache Hive
15 11 (0.68%) SQL Server Integration Services
16 10 (0.62%) Data Mining
16 10 (0.62%) SQL Server 2012
17 9 (0.56%) SQLPlus
Development Applications
1 94 (5.81%) Git (software)
2 64 (3.95%) Subversion
3 63 (3.89%) JIRA
4 48 (2.96%) Jenkins
5 45 (2.78%) Visual Studio
6 43 (2.66%) Rational DOORS
7 30 (1.85%) Rational Rhapsody
8 25 (1.54%) Selenium
9 22 (1.36%) ProC
10 19 (1.17%) TeamCity
11 18 (1.11%) Maven
12 17 (1.05%) GDB
12 17 (1.05%) Gradle
13 16 (0.99%) Jasmine
13 16 (0.99%) JMeter
13 16 (0.99%) SoapUI
14 14 (0.86%) JUnit
15 12 (0.74%) Atlassian Bamboo
15 12 (0.74%) Cucumber
16 11 (0.68%) Mocha
General
1 254 (15.69%) Finance
2 97 (5.99%) Banking
3 92 (5.68%) Telecoms
4 85 (5.25%) Electronics
5 55 (3.40%) Automotive
6 40 (2.47%) Marketing
7 35 (2.16%) Investment Banking
8 34 (2.10%) Aerospace
9 31 (1.91%) Law
10 30 (1.85%) Front Office
11 29 (1.79%) Manufacturing
12 27 (1.67%) Retail
13 26 (1.61%) Legal
14 16 (0.99%) Military
15 14 (0.86%) Publishing
16 11 (0.68%) Games
17 10 (0.62%) Advertising
18 9 (0.56%) Pharmaceutical
18 9 (0.56%) Retail Banking
19 6 (0.37%) Back Office
Job Titles
1 392 (24.21%) Developer
2 235 (14.52%) Software Engineer
3 157 (9.70%) Analyst
4 147 (9.08%) Embedded Engineer
5 103 (6.36%) Embedded Software Engineer
6 80 (4.94%) Java Developer
7 73 (4.51%) Business Analyst
8 68 (4.20%) Architect
9 66 (4.08%) Project Manager
10 65 (4.01%) C Developer
11 59 (3.64%) Software Developer
12 56 (3.46%) Consultant
13 55 (3.40%) C++ Developer
14 53 (3.27%) Senior Developer
15 49 (3.03%) C++ Software Engineer
16 46 (2.84%) Embedded Developer
17 45 (2.78%) Python Developer
18 37 (2.29%) Test Engineer
19 35 (2.16%) Linux Engineer
20 28 (1.73%) C Software Engineer
Libraries, Frameworks & Software Standards
1 113 (6.98%) HTML
2 110 (6.79%) Web Services
3 102 (6.30%) .NET
4 84 (5.19%) XML
5 71 (4.39%) CSS
6 50 (3.09%) J2EE
7 44 (2.72%) jQuery
8 38 (2.35%) SOAP
9 35 (2.16%) ASP.NET
10 33 (2.04%) HTML5
10 33 (2.04%) RESTful
11 30 (1.85%) JSON
12 27 (1.67%) CSS3
12 27 (1.67%) Middleware
13 26 (1.61%) REST
14 25 (1.54%) AngularJS
15 24 (1.48%) Node.js
16 23 (1.42%) ASP.NET MVC
16 23 (1.42%) FIX Protocol
17 20 (1.24%) Spring
Miscellaneous
1 115 (7.10%) Analytical Skills
2 113 (6.98%) Computer Science
3 62 (3.83%) Management Information System
4 47 (2.90%) Embedded Systems
5 44 (2.72%) Algorithms
6 43 (2.66%) User Experience
7 41 (2.53%) Foreign Exchange (FX)
8 34 (2.10%) Mobile App
9 32 (1.98%) Derivative
9 32 (1.98%) Device Driver
10 29 (1.79%) Greenfield Project
11 24 (1.48%) Fixed Income
12 20 (1.24%) Data Centre
13 18 (1.11%) Enterprise Software
14 17 (1.05%) Data Structures
14 17 (1.05%) Field-Programmable Gate Array
14 17 (1.05%) VSAM
15 15 (0.93%) Client/Server
15 15 (0.93%) Equities
16 13 (0.80%) Cyberthreat
Operating Systems
1 417 (25.76%) Linux
2 252 (15.57%) Windows
3 166 (10.25%) Unix
4 59 (3.64%) Android
5 47 (2.90%) Red Hat Enterprise Linux
5 47 (2.90%) Windows Server
6 40 (2.47%) AIX
7 33 (2.04%) Apple iOS
8 31 (1.91%) Embedded Linux
9 30 (1.85%) Windows 7
10 27 (1.67%) Solaris
11 21 (1.30%) Windows Server 2008
12 20 (1.24%) VME
12 20 (1.24%) VMS
12 20 (1.24%) Windows Server 2012
13 19 (1.17%) Mac OS X
14 18 (1.11%) MVS
14 18 (1.11%) Windows 10
15 15 (0.93%) HPUX
15 15 (0.93%) Windows 2000 Server
Processes & Methodologies
1 405 (25.02%) Agile Software Development
2 341 (21.06%) Software Engineering
3 126 (7.78%) Test Automation
4 119 (7.35%) Project Management
5 116 (7.16%) ITIL
6 109 (6.73%) Scrum
7 107 (6.61%) TDD
8 104 (6.42%) Continuous Integration
9 103 (6.36%) SDLC
10 101 (6.24%) Stakeholder Management
11 94 (5.81%) Configuration Management
12 78 (4.82%) Multithreading
13 71 (4.39%) UML
14 70 (4.32%) Open Source
15 68 (4.20%) DevOps
16 67 (4.14%) Change Management
17 66 (4.08%) Migration
18 62 (3.83%) Mentoring
19 60 (3.71%) Mathematics
20 59 (3.64%) Analytics
Programming Languages
1 511 (31.56%) C++
2 314 (19.39%) Java
3 291 (17.97%) Python
4 243 (15.01%) SQL
5 167 (10.32%) Embedded C
6 151 (9.33%) C#
7 144 (8.89%) JavaScript
8 74 (4.57%) Perl
9 73 (4.51%) Shell Script
10 61 (3.77%) MATLAB
11 60 (3.71%) PL/SQL
12 41 (2.53%) PowerShell
13 37 (2.29%) T-SQL
14 36 (2.22%) Ruby
15 33 (2.04%) Embedded C++
16 29 (1.79%) Bash Shell
17 27 (1.67%) PHP
18 26 (1.61%) Assembly Language
19 23 (1.42%) Ada
19 23 (1.42%) R
Qualifications
1 296 (18.28%) Security Cleared
2 201 (12.42%) Degree
3 140 (8.65%) SC Cleared
4 129 (7.97%) DV Cleared
5 41 (2.53%) Computer Science Degree
6 29 (1.79%) ISEB
7 20 (1.24%) BPSS Clearance
7 20 (1.24%) CISSP
8 19 (1.17%) Numerate Degree
9 17 (1.05%) Master's Degree
10 13 (0.80%) Cisco Certification
10 13 (0.80%) ITIL Certification
11 12 (0.74%) PRINCE2 Practitioner
12 11 (0.68%) ISTQB
13 10 (0.62%) CCNP
14 9 (0.56%) MCP
14 9 (0.56%) Microsoft Certification
15 8 (0.49%) PhD
16 7 (0.43%) CISM
16 7 (0.43%) PMP
Quality Assurance & Compliance
1 50 (3.09%) QA
2 44 (2.72%) MISRA
3 31 (1.91%) PMO
4 23 (1.42%) GDPR
5 17 (1.05%) MISRA C
6 16 (0.99%) DO-178B
7 14 (0.86%) ISO 9001
8 13 (0.80%) Def Stans
8 13 (0.80%) ISO 26262
9 12 (0.74%) IEC 62304
10 11 (0.68%) Data Quality
11 10 (0.62%) Disclosure Scotland
11 10 (0.62%) WCAG
12 9 (0.56%) COBIT
13 8 (0.49%) ISO/IEC 27001
14 7 (0.43%) MiFID
15 6 (0.37%) IFRS
15 6 (0.37%) IFRS 9
16 5 (0.31%) IEC 61508
16 5 (0.31%) SLA
System Software
1 65 (4.01%) Active Directory
2 51 (3.15%) VMware Infrastructure
3 43 (2.66%) Firmware
4 33 (2.04%) Docker
5 18 (1.11%) Job Entry Subsystem
6 17 (1.05%) RACF
7 15 (0.93%) Tivoli Workload Scheduler
8 12 (0.74%) KVM
9 11 (0.68%) Apache Flume
9 11 (0.68%) vSphere
10 10 (0.62%) Virtual Machines
11 9 (0.56%) NFS
11 9 (0.56%) VMware ESXi
12 5 (0.31%) Advanced Linux Sound Architecture
12 5 (0.31%) XenApp
13 4 (0.25%) Hyper-V
13 4 (0.25%) Virtual Servers
13 4 (0.25%) XenDesktop
14 3 (0.19%) VMware Workstation
15 2 (0.12%) QEMU
Systems Management
1 42 (2.59%) Puppet
2 38 (2.35%) Ansible
2 38 (2.35%) Opscode Chef
3 18 (1.11%) Tivoli
3 18 (1.11%) Tivoli Monitoring
4 17 (1.05%) Kubernetes
5 15 (0.93%) HP Quality Center
6 13 (0.80%) Nagios
6 13 (0.80%) SCCM
7 11 (0.68%) Terraform
8 7 (0.43%) Grafana
8 7 (0.43%) SCOM
9 5 (0.31%) vCenter Server
10 4 (0.25%) Cobbler
10 4 (0.25%) Mesos
10 4 (0.25%) Packer
10 4 (0.25%) Systems Management Server (SMS)
10 4 (0.25%) Thomson Reuters DACS
10 4 (0.25%) WhatsUp Gold
11 3 (0.19%) CFEngine
Vendors
1 179 (11.06%) Microsoft
2 151 (9.33%) Oracle
3 64 (3.95%) VMware
4 48 (2.96%) Red Hat
5 46 (2.84%) HP
6 31 (1.91%) Cisco
7 28 (1.73%) SAP
8 26 (1.61%) ServiceNow
9 21 (1.30%) Google
10 19 (1.17%) BMC
11 17 (1.05%) IBM
11 17 (1.05%) Splunk
12 15 (0.93%) Fujitsu
13 12 (0.74%) Atlassian
13 12 (0.74%) ION Trading
14 11 (0.68%) Citrix
15 10 (0.62%) NetApp
15 10 (0.62%) Perforce
16 8 (0.49%) Apple
16 8 (0.49%) Juniper