Period
to 22 May 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 22 May 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
22 May 2018
Same period 2017 Same period 2016
Rank 169 141 122
Rank change year-on-year -28 -19 +3
Contract jobs citing C 1,612 1,717 2,109
As % of all contract IT jobs advertised in the UK 1.60% 1.90% 2.00%
As % of the Programming Languages category 3.72% 4.60% 5.21%
Number of daily rates quoted 864 915 1,065
UK median daily rate £475 £440 £400
Median daily rate % change year-on-year +7.95% +10.00% +6.67%
10th Percentile £307 £307 £269
90th Percentile £646 £606 £600
UK excluding London median daily rate £413 £413 £375
% change year-on-year - +10.00% +7.14%
Number of hourly rates quoted 214 229 307
UK median hourly rate £42.50 £42.50 £40.00
Median hourly rate % change year-on-year - +6.25% +11.11%
10th Percentile £20.00 £21.25 £14.00
90th Percentile £50.00 £57.50 £52.25
UK excluding London median hourly rate £42.50 £42.50 £40.50
% change year-on-year - +4.94% +12.50%

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 43,342 37,287 40,486
As % of all contract IT jobs advertised in the UK 43.04% 41.37% 38.36%
Number of daily rates quoted 30,289 25,582 27,687
UK median daily rate £463 £425 £420
Median daily rate % change year-on-year +8.82% +1.19% +5.00%
10th Percentile £313 £300 £275
90th Percentile £638 £613 £600
UK excluding London median daily rate £403 £388 £375
% change year-on-year +3.87% +3.33% +7.14%
Number of hourly rates quoted 777 806 956
UK median hourly rate £40.00 £41.38 £38.50
Median hourly rate % change year-on-year -3.32% +7.47% +10.00%
10th Percentile £16.73 £16.50 £14.13
90th Percentile £52.50 £56.75 £52.25
UK excluding London median hourly rate £40.00 £41.00 £38.50
% change year-on-year -2.44% +6.49% +10.00%

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 May 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 22 May 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 22 May 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 -23 1,504 £475 +5.56% 1,325
UK excluding London -32 949 £413 - 1,061
London -32 626 £550 +10.00% 318
South East -27 336 £425 +6.25% 276
South West -6 164 £425 -1.16% 165
East of England -2 157 £475 +16.56% 198
North of England +9 148 £400 -4.76% 203
Midlands -48 68 £400 -5.94% 166
North West -30 62 £425 -5.56% 104
North East +39 50 £375 - 35
Wales +3 47 £400 -5.88% 21
West Midlands -35 44 £400 -9.09% 118
Yorkshire -11 36 £413 +6.45% 64
Scotland -68 26 £425 +29.28% 29
East Midlands -20 23 £375 - 48
Northern Ireland -15 3 £250 -39.39% 5

For the 6 months to 22 May 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.

1 475 (29.47%) C++
2 407 (25.25%) Linux
3 399 (24.75%) Agile Software Development
4 386 (23.95%) Software Engineering
5 379 (23.51%) Security Cleared
6 330 (20.47%) Java
7 310 (19.23%) Python
8 268 (16.63%) Finance
9 258 (16.00%) Windows
10 235 (14.58%) SC Cleared
11 234 (14.52%) SQL
12 206 (12.78%) Degree
13 198 (12.28%) Microsoft
14 157 (9.74%) C#
15 151 (9.37%) Embedded C
16 146 (9.06%) JavaScript
16 146 (9.06%) Problem-Solving
17 141 (8.75%) Unix
18 134 (8.31%) Oracle
19 132 (8.19%) Project Management
20 131 (8.13%) Amazon AWS
21 124 (7.69%) Configuration Management
22 118 (7.32%) SQL Server
22 118 (7.32%) DevOps
23 117 (7.26%) Open Source
23 117 (7.26%) Web Services
24 116 (7.20%) Git (software)
25 111 (6.89%) DV Cleared
26 107 (6.64%) ITIL
27 105 (6.51%) .NET

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 52 (3.23%) SharePoint
2 32 (1.99%) Apache Spark
3 30 (1.86%) Apache
4 27 (1.67%) Confluence
5 24 (1.49%) MS Exchange
6 23 (1.43%) WebSphere
7 18 (1.12%) JBoss
8 17 (1.05%) CMS
8 17 (1.05%) Elasticsearch
8 17 (1.05%) OpenStack
9 16 (0.99%) WebSphere Portal
10 14 (0.87%) WebLogic
11 13 (0.81%) Ethereum
11 13 (0.81%) Hyperledger
11 13 (0.81%) IIS
12 11 (0.68%) Skype for Business
12 11 (0.68%) Tomcat
13 10 (0.62%) Apache Pig
14 9 (0.56%) IBM Notes
15 8 (0.50%) Oracle SOA Suite
Applications
1 64 (3.97%) Microsoft Office
2 63 (3.91%) Microsoft Excel
3 33 (2.05%) Microsoft PowerPoint
4 29 (1.80%) Microsoft Project
5 28 (1.74%) Simulink
6 25 (1.55%) MS Visio
7 8 (0.50%) SPSS
8 4 (0.25%) Stateflow
9 3 (0.19%) Adobe Creative Suite
9 3 (0.19%) Spreadsheet
10 2 (0.12%) TargetLink
11 1 (0.062%) Chatbot
11 1 (0.062%) EPLAN
11 1 (0.062%) InfoPath
11 1 (0.062%) Shockwave
11 1 (0.062%) S-PLUS
11 1 (0.062%) Windchill
Business Applications
1 18 (1.12%) Dynamics NAV
2 16 (0.99%) Oracle BPM
3 8 (0.50%) ION MarketView
4 7 (0.43%) SAP S/4HANA
5 6 (0.37%) Dynamics AX
6 5 (0.31%) Dynamics CRM
6 5 (0.31%) LabWindows
6 5 (0.31%) NetSuite
6 5 (0.31%) Oracle EBS
7 4 (0.25%) Infor CRM
7 4 (0.25%) SAP ERP
7 4 (0.25%) Unit4 Business World
8 3 (0.19%) SAP PM
8 3 (0.19%) SAP SRM
9 2 (0.12%) Elite 3E
9 2 (0.12%) MultiChain
9 2 (0.12%) Oracle SCM
9 2 (0.12%) SAP HR
10 1 (0.062%) Maximo
10 1 (0.062%) Oracle Applications
Cloud Services
1 131 (8.13%) Amazon AWS
2 83 (5.15%) Microsoft Azure
3 41 (2.54%) SaaS
4 39 (2.42%) Office 365
5 36 (2.23%) IaaS
6 32 (1.99%) PaaS
7 25 (1.55%) Google Cloud Platform
8 24 (1.49%) Cloud Computing
8 24 (1.49%) Datadog
9 17 (1.05%) GitHub
10 12 (0.74%) Amazon S3
11 8 (0.50%) Amazon EC2
12 7 (0.43%) G Suite
12 7 (0.43%) NuGet
12 7 (0.43%) OneDrive
12 7 (0.43%) OpenShift
13 6 (0.37%) Dynamics 365
14 5 (0.31%) Serverless
14 5 (0.31%) Virtual Private Cloud
15 4 (0.25%) Yammer
Communications & Networking
1 60 (3.72%) Firewall
2 55 (3.41%) Wireless
3 44 (2.73%) TCP/IP
4 42 (2.61%) DNS
5 35 (2.17%) Internet
6 32 (1.99%) Network Security
7 31 (1.92%) DHCP
8 30 (1.86%) LAN
9 27 (1.67%) Bluetooth
10 25 (1.55%) WAN
10 25 (1.55%) Wi-Fi
11 24 (1.49%) Ethernet
11 24 (1.49%) HTTP
11 24 (1.49%) VPN
12 20 (1.24%) SAN
13 19 (1.18%) Wireshark
14 16 (0.99%) Intranet
15 15 (0.93%) VoIP
16 14 (0.87%) VLAN
17 13 (0.81%) Unified Communications
Database & Business Intelligence
1 118 (7.32%) SQL Server
2 58 (3.60%) Relational Database
3 50 (3.10%) Big Data
4 45 (2.79%) MySQL
4 45 (2.79%) NoSQL
5 44 (2.73%) Oracle Database
5 44 (2.73%) PostgreSQL
6 36 (2.23%) GIS
6 36 (2.23%) Hadoop
7 29 (1.80%) MongoDB
8 28 (1.74%) Oracle Database 11g
9 27 (1.67%) HBase
9 27 (1.67%) Oracle Database 10g
10 24 (1.49%) Apache Cassandra
11 21 (1.30%) Amazon Redshift
11 21 (1.30%) Blockchain
12 20 (1.24%) Data Warehouse
12 20 (1.24%) Power BI
12 20 (1.24%) RDBMS
13 19 (1.18%) Apache Hive
Development Applications
1 116 (7.20%) Git (software)
2 85 (5.27%) Jenkins
3 76 (4.71%) JIRA
4 59 (3.66%) Subversion
5 50 (3.10%) Visual Studio
6 43 (2.67%) Rational DOORS
7 40 (2.48%) TeamCity
8 32 (1.99%) Rational Rhapsody
9 31 (1.92%) GDB
10 29 (1.80%) Selenium
11 27 (1.67%) JUnit
12 25 (1.55%) Team Foundation Server
13 19 (1.18%) ProC
14 14 (0.87%) Visual Studio Team System
15 13 (0.81%) Cucumber
15 13 (0.81%) Maven
15 13 (0.81%) Rational Team Concert
16 12 (0.74%) LoadRunner
16 12 (0.74%) NUnit
17 11 (0.68%) Eclipse
General
1 268 (16.63%) Finance
2 94 (5.83%) Banking
3 61 (3.78%) Electronics
4 45 (2.79%) Law
5 41 (2.54%) Telecoms
6 37 (2.30%) Marketing
6 37 (2.30%) Retail
7 30 (1.86%) Automotive
8 27 (1.67%) Military
9 24 (1.49%) Front Office
10 22 (1.36%) Investment Banking
11 20 (1.24%) Manufacturing
12 19 (1.18%) Legal
13 18 (1.12%) Aerospace
14 15 (0.93%) Back Office
15 10 (0.62%) Publishing
16 9 (0.56%) Games
17 8 (0.50%) French Language
17 8 (0.50%) Retail Banking
18 7 (0.43%) German Language
Job Titles
1 329 (20.41%) Developer
2 272 (16.87%) Software Engineer
3 147 (9.12%) Analyst
4 130 (8.06%) Embedded Engineer
5 107 (6.64%) Embedded Software Engineer
6 88 (5.46%) Architect
7 74 (4.59%) Project Manager
8 71 (4.40%) Java Developer
9 60 (3.72%) C++ Software Engineer
10 58 (3.60%) Consultant
11 52 (3.23%) DevOps Engineer
11 52 (3.23%) Software Developer
12 51 (3.16%) Business Analyst
13 42 (2.61%) C Developer
14 41 (2.54%) C++ Developer
14 41 (2.54%) Test Engineer
15 35 (2.17%) Python Developer
16 34 (2.11%) C Software Engineer
17 30 (1.86%) Embedded C Engineer
18 29 (1.80%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 117 (7.26%) Web Services
2 105 (6.51%) .NET
3 86 (5.33%) XML
4 69 (4.28%) HTML
5 60 (3.72%) J2EE
6 54 (3.35%) REST
7 52 (3.23%) CSS
8 43 (2.67%) Node.js
9 36 (2.23%) SOAP
10 32 (1.99%) AngularJS
10 32 (1.99%) Kafka
11 31 (1.92%) JSON
12 29 (1.80%) Spring
13 28 (1.74%) JSF
13 28 (1.74%) Middleware
13 28 (1.74%) RESTful
14 25 (1.55%) jQuery
15 23 (1.43%) Elastic Stack
16 22 (1.36%) ASP.NET
17 20 (1.24%) .NET Framework
Miscellaneous
1 104 (6.45%) Analytical Skills
2 92 (5.71%) Computer Science
3 76 (4.71%) Self-Motivation
4 60 (3.72%) Algorithms
4 60 (3.72%) Management Information System
5 55 (3.41%) Data Centre
6 42 (2.61%) User Experience
7 37 (2.30%) Field-Programmable Gate Array
8 36 (2.23%) Embedded Systems
9 31 (1.92%) Foreign Exchange (FX)
10 28 (1.74%) Greenfield Project
11 26 (1.61%) CMDB
12 25 (1.55%) Device Driver
13 19 (1.18%) Equities
13 19 (1.18%) Mobile App
14 18 (1.12%) Fixed Income
15 17 (1.05%) Cyberthreat
15 17 (1.05%) Derivative
15 17 (1.05%) VSAM
16 15 (0.93%) Data Structures
Operating Systems
1 407 (25.25%) Linux
2 258 (16.00%) Windows
3 141 (8.75%) Unix
4 67 (4.16%) Windows Server
5 41 (2.54%) Red Hat Enterprise Linux
6 40 (2.48%) Android
6 40 (2.48%) Embedded Linux
7 37 (2.30%) Windows Server 2008
8 31 (1.92%) AIX
9 30 (1.86%) Solaris
9 30 (1.86%) Windows Server 2012
10 26 (1.61%) VMS
10 26 (1.61%) Windows 7
11 25 (1.55%) Apple iOS
12 18 (1.12%) MVS
13 17 (1.05%) Mac OS X
13 17 (1.05%) VME
13 17 (1.05%) VxWorks
13 17 (1.05%) Windows 10
14 16 (0.99%) Windows 2000 Server
Processes & Methodologies
1 399 (24.75%) Agile Software Development
2 386 (23.95%) Software Engineering
3 146 (9.06%) Problem-Solving
4 132 (8.19%) Project Management
5 124 (7.69%) Configuration Management
6 118 (7.32%) DevOps
7 117 (7.26%) Open Source
8 107 (6.64%) ITIL
9 104 (6.45%) Continuous Integration
9 104 (6.45%) Test Automation
10 97 (6.02%) Scrum
10 97 (6.02%) UML
11 93 (5.77%) TDD
12 90 (5.58%) Migration
13 86 (5.33%) Analytics
14 84 (5.21%) Change Management
14 84 (5.21%) SDLC
15 83 (5.15%) Stakeholder Management
16 82 (5.09%) Waterfall
17 69 (4.28%) Data Management
Programming Languages
1 475 (29.47%) C++
2 330 (20.47%) Java
3 310 (19.23%) Python
4 234 (14.52%) SQL
5 157 (9.74%) C#
6 151 (9.37%) Embedded C
7 146 (9.06%) JavaScript
8 92 (5.71%) Perl
9 86 (5.33%) Ruby
10 79 (4.90%) PowerShell
11 69 (4.28%) Embedded C++
12 67 (4.16%) Bash Shell
13 54 (3.35%) PL/SQL
14 53 (3.29%) MATLAB
15 46 (2.85%) Shell Script
16 37 (2.30%) Go
17 29 (1.80%) T-SQL
18 26 (1.61%) Scala
19 24 (1.49%) PHP
20 18 (1.12%) JCL
Qualifications
1 379 (23.51%) Security Cleared
2 235 (14.58%) SC Cleared
3 206 (12.78%) Degree
4 111 (6.89%) DV Cleared
5 29 (1.80%) BPSS Clearance
6 28 (1.74%) CISSP
7 22 (1.36%) Cisco Certification
7 22 (1.36%) Microsoft Certification
8 20 (1.24%) Computer Science Degree
8 20 (1.24%) ISEB
9 19 (1.18%) Master's Degree
10 13 (0.81%) Numerate Degree
11 12 (0.74%) CCNP
11 12 (0.74%) ITIL Certification
11 12 (0.74%) PRINCE2 Practitioner
12 11 (0.68%) MCSE
13 10 (0.62%) ISTQB
13 10 (0.62%) PMI Certification
14 9 (0.56%) PhD
14 9 (0.56%) PMP
Quality Assurance & Compliance
1 39 (2.42%) QA
2 38 (2.36%) PMO
3 32 (1.99%) GDPR
4 26 (1.61%) MISRA
5 24 (1.49%) SLA
6 22 (1.36%) GCP
7 17 (1.05%) Def Stans
8 16 (0.99%) ISO 9001
9 14 (0.87%) Data Quality
10 11 (0.68%) IEC 62304
10 11 (0.68%) MISRA C
11 10 (0.62%) ISO/IEC 27001
12 9 (0.56%) DO-178B
13 8 (0.50%) Disclosure Scotland
14 6 (0.37%) IEC 61508
14 6 (0.37%) MiFID
15 4 (0.25%) ARP4754
15 4 (0.25%) ISO 13485
15 4 (0.25%) SEPA
16 3 (0.19%) ISO 26262
System Software
1 95 (5.89%) Active Directory
2 77 (4.78%) Docker
3 55 (3.41%) VMware Infrastructure
4 35 (2.17%) Firmware
5 21 (1.30%) Apache Flume
6 20 (1.24%) vSphere
7 18 (1.12%) Job Entry Subsystem
7 18 (1.12%) RACF
8 16 (0.99%) VMware ESXi
9 15 (0.93%) Hyper-V
9 15 (0.93%) Tivoli Workload Scheduler
10 14 (0.87%) NFS
11 12 (0.74%) Virtual Machines
12 6 (0.37%) Xen
13 5 (0.31%) StorNext
13 5 (0.31%) XenDesktop
14 3 (0.19%) HDFS
14 3 (0.19%) QEMU
14 3 (0.19%) Snort
14 3 (0.19%) Veritas Cluster Server
Systems Management
1 63 (3.91%) Puppet
2 57 (3.54%) Ansible
3 42 (2.61%) Opscode Chef
4 39 (2.42%) Kubernetes
5 34 (2.11%) Terraform
6 25 (1.55%) Nagios
7 23 (1.43%) Tivoli
8 21 (1.30%) Packer
9 19 (1.18%) Tivoli Monitoring
10 17 (1.05%) SELinux
11 11 (0.68%) Salt
12 10 (0.62%) Tivoli Storage Manager
12 10 (0.62%) WSUS
13 9 (0.56%) Cisco Prime
13 9 (0.56%) Grafana
13 9 (0.56%) HP ALM
14 7 (0.43%) HP Quality Center
14 7 (0.43%) SCCM
15 6 (0.37%) McAfee ePO
15 6 (0.37%) SCOM
Vendors
1 198 (12.28%) Microsoft
2 134 (8.31%) Oracle
3 66 (4.09%) VMware
4 62 (3.85%) Cisco
5 51 (3.16%) HP
6 49 (3.04%) Google
7 40 (2.48%) Splunk
8 34 (2.11%) Red Hat
9 33 (2.05%) SAP
10 26 (1.61%) IBM
11 24 (1.49%) Atlassian
11 24 (1.49%) New Relic
11 24 (1.49%) ServiceNow
11 24 (1.49%) Talend
12 21 (1.30%) NetApp
13 19 (1.18%) EMC
14 17 (1.05%) Citrix
14 17 (1.05%) Fujitsu
15 15 (0.93%) BMC
16 13 (0.81%) Adobe