Period
to 18 July 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 July 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 Jul 2018
Same period 2017 Same period 2016
Rank 168 146 128
Rank change year-on-year -22 -18 -1
Contract jobs citing C 1,665 1,698 2,127
As % of all contract IT jobs advertised in the UK 1.61% 1.79% 1.93%
As % of the Programming Languages category 3.67% 4.30% 5.00%
Number of daily rates quoted 883 917 1,078
UK median daily rate £475 £450 £400
Median daily rate % change year-on-year +5.56% +12.50% +6.67%
10th Percentile £307 £306 £269
90th Percentile £655 £650 £600
UK excluding London median daily rate £413 £413 £375
% change year-on-year - +10.00% +7.14%
Number of hourly rates quoted 213 201 299
UK median hourly rate £42.50 £42.50 £39.50
Median hourly rate % change year-on-year - +7.59% +5.33%
10th Percentile £20.25 £26.25 £14.10
90th Percentile £50.00 £52.50 £52.25
UK excluding London median hourly rate £42.50 £42.50 £39.75
% change year-on-year - +6.92% +6.71%

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 45,309 39,501 42,553
As % of all contract IT jobs advertised in the UK 43.78% 41.57% 38.63%
Number of daily rates quoted 31,707 27,068 29,190
UK median daily rate £460 £440 £425
Median daily rate % change year-on-year +4.63% +3.53% +6.25%
10th Percentile £313 £300 £275
90th Percentile £638 £625 £599
UK excluding London median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 789 805 932
UK median hourly rate £41.00 £41.00 £37.50
Median hourly rate % change year-on-year - +9.33% +7.14%
10th Percentile £16.25 £16.25 £14.00
90th Percentile £52.50 £53.75 £51.50
UK excluding London median hourly rate £40.63 £42.00 £37.50
% change year-on-year -3.27% +12.00% +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 18 July 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 July 2018.

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 18 July 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 -14 1,557 £475 +5.56% 1,190
UK excluding London -11 1,020 £413 - 1,010
London -32 608 £540 +8.00% 250
South East -9 370 £425 +4.94% 243
South West +17 202 £405 +5.19% 156
East of England -12 157 £475 +11.76% 208
North of England +4 142 £375 -10.71% 184
Midlands -48 72 £387 +10.64% 149
North West -23 66 £400 -11.11% 91
Wales -3 47 £400 -5.88% 27
West Midlands -45 44 £400 +16.64% 109
North East +36 41 £363 -50.00% 32
Yorkshire -33 35 £400 - 61
East Midlands -5 27 £375 +7.14% 40
Scotland -60 27 £450 +50.00% 35
Northern Ireland +1 2 £215 -47.88% 6
Channel Islands - 2 - - 2

For the 6 months to 18 July 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.

1 573 (34.41%) C++
2 426 (25.59%) Linux
3 421 (25.29%) Software Engineering
4 387 (23.24%) Agile Software Development
5 380 (22.82%) Python
6 371 (22.28%) Java
6 371 (22.28%) Security Cleared
7 268 (16.10%) Finance
8 251 (15.08%) SC Cleared
9 243 (14.59%) SQL
10 219 (13.15%) Windows
11 203 (12.19%) Degree
12 184 (11.05%) C#
13 173 (10.39%) Microsoft
14 166 (9.97%) JavaScript
15 164 (9.85%) Embedded C
16 155 (9.31%) Problem-Solving
17 154 (9.25%) Git (software)
18 149 (8.95%) Amazon AWS
19 139 (8.35%) DevOps
20 137 (8.23%) Test Automation
21 131 (7.87%) Oracle
22 130 (7.81%) Configuration Management
23 129 (7.75%) Unix
24 121 (7.27%) Project Management
25 117 (7.03%) Analytical Skills
26 114 (6.85%) Perl
27 112 (6.73%) Continuous Integration
28 110 (6.61%) SQL Server
28 110 (6.61%) Jenkins

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 (3.12%) SharePoint
2 32 (1.92%) Apache Spark
3 29 (1.74%) Apache
4 28 (1.68%) MS Exchange
5 27 (1.62%) Confluence
6 25 (1.50%) CMS
7 23 (1.38%) WebSphere
8 20 (1.20%) Elasticsearch
9 17 (1.02%) Ethereum
9 17 (1.02%) IIS
9 17 (1.02%) OpenStack
10 16 (0.96%) JBoss
11 15 (0.90%) Hyperledger
12 14 (0.84%) Skype for Business
13 11 (0.66%) WebSphere Portal
14 10 (0.60%) Oracle SOA Suite
15 9 (0.54%) Exchange Server 2010
16 8 (0.48%) IBM Notes
17 6 (0.36%) Apache Solr
17 6 (0.36%) WebLogic
Applications
1 59 (3.54%) Microsoft Office
2 51 (3.06%) Microsoft Excel
3 36 (2.16%) Simulink
4 20 (1.20%) Microsoft PowerPoint
5 18 (1.08%) MS Visio
6 16 (0.96%) Microsoft Project
7 5 (0.30%) SPSS
8 3 (0.18%) Adobe Creative Suite
8 3 (0.18%) Stateflow
9 2 (0.12%) AutoCAD
9 2 (0.12%) Shockwave
9 2 (0.12%) Spreadsheet
10 1 (0.060%) Chatbot
10 1 (0.060%) EPLAN
10 1 (0.060%) Photoshop
Business Applications
1 18 (1.08%) Dynamics NAV
2 13 (0.78%) Oracle BPM
3 8 (0.48%) ION MarketView
4 5 (0.30%) Dynamics CRM
4 5 (0.30%) SAP S/4HANA
5 4 (0.24%) Distributed Ledger
5 4 (0.24%) LabWindows
5 4 (0.24%) Oracle EBS
5 4 (0.24%) SAP ERP
6 3 (0.18%) SAP PM
6 3 (0.18%) SAP SRM
7 2 (0.12%) Cerner Millennium
7 2 (0.12%) Dynamics AX
7 2 (0.12%) Elite 3E
7 2 (0.12%) Lorenzo
7 2 (0.12%) MultiChain
7 2 (0.12%) Sage 200
7 2 (0.12%) Sage CRM
7 2 (0.12%) SAP HR
7 2 (0.12%) Summit
Cloud Services
1 149 (8.95%) Amazon AWS
2 99 (5.95%) Microsoft Azure
3 43 (2.58%) Office 365
4 33 (1.98%) Cloud Computing
5 32 (1.92%) Datadog
6 31 (1.86%) GitHub
7 29 (1.74%) Google Cloud Platform
8 21 (1.26%) IaaS
8 21 (1.26%) PaaS
9 18 (1.08%) SaaS
10 12 (0.72%) NuGet
11 8 (0.48%) Amazon EC2
11 8 (0.48%) Amazon S3
11 8 (0.48%) Dynamics 365
12 7 (0.42%) OpenShift
13 6 (0.36%) AWS CloudFormation
13 6 (0.36%) G Suite
14 4 (0.24%) Amazon CloudWatch
14 4 (0.24%) Force.com
14 4 (0.24%) IBM Cloud
Communications & Networking
1 74 (4.44%) Firewall
2 56 (3.36%) DNS
3 53 (3.18%) Wireless
4 49 (2.94%) TCP/IP
5 41 (2.46%) DHCP
6 40 (2.40%) Network Security
7 34 (2.04%) Internet
8 31 (1.86%) Ethernet
9 29 (1.74%) Wi-Fi
10 28 (1.68%) Bluetooth
10 28 (1.68%) VoIP
10 28 (1.68%) Wireshark
11 26 (1.56%) LAN
11 26 (1.56%) VPN
12 25 (1.50%) WAN
13 24 (1.44%) SAN
14 23 (1.38%) HTTP
15 20 (1.20%) SNMP
16 17 (1.02%) Unified Communications
17 16 (0.96%) Skype
Database & Business Intelligence
1 110 (6.61%) SQL Server
2 61 (3.66%) Relational Database
3 56 (3.36%) Big Data
4 46 (2.76%) NoSQL
4 46 (2.76%) Oracle Database
5 42 (2.52%) MySQL
6 38 (2.28%) Hadoop
6 38 (2.28%) PostgreSQL
7 33 (1.98%) Blockchain
8 28 (1.68%) Apache Cassandra
8 28 (1.68%) HBase
9 27 (1.62%) GIS
10 26 (1.56%) RDBMS
11 24 (1.44%) Amazon Redshift
11 24 (1.44%) MongoDB
12 22 (1.32%) Data Warehouse
13 20 (1.20%) Oracle Database 11g
14 19 (1.14%) Oracle Database 10g
15 18 (1.08%) Power BI
16 15 (0.90%) Apache Hive
Development Applications
1 154 (9.25%) Git (software)
2 110 (6.61%) Jenkins
3 94 (5.65%) JIRA
4 62 (3.72%) Subversion
5 55 (3.30%) TeamCity
6 53 (3.18%) Rational DOORS
7 51 (3.06%) Visual Studio
8 44 (2.64%) Selenium
9 38 (2.28%) GDB
10 36 (2.16%) JUnit
11 34 (2.04%) Rational Rhapsody
12 29 (1.74%) Team Foundation Server
13 27 (1.62%) ProC
14 22 (1.32%) Rational Team Concert
15 17 (1.02%) LoadRunner
16 15 (0.90%) Eclipse
16 15 (0.90%) GCC
16 15 (0.90%) JMeter
16 15 (0.90%) Mercurial
16 15 (0.90%) NUnit
General
1 268 (16.10%) Finance
2 96 (5.77%) Banking
3 62 (3.72%) Electronics
4 48 (2.88%) Telecoms
5 43 (2.58%) Law
6 38 (2.28%) Retail
7 27 (1.62%) Automotive
8 26 (1.56%) Front Office
9 25 (1.50%) Marketing
10 24 (1.44%) Military
11 23 (1.38%) Manufacturing
12 22 (1.32%) Aerospace
13 20 (1.20%) Investment Banking
14 19 (1.14%) Games
15 16 (0.96%) Back Office
16 15 (0.90%) Legal
17 8 (0.48%) French Language
17 8 (0.48%) Mandarin Language
17 8 (0.48%) Retail Banking
18 7 (0.42%) German Language
Job Titles
1 372 (22.34%) Developer
2 291 (17.48%) Software Engineer
3 134 (8.05%) Embedded Engineer
4 133 (7.99%) Analyst
5 116 (6.97%) Embedded Software Engineer
6 85 (5.11%) Architect
7 70 (4.20%) C++ Software Engineer
8 68 (4.08%) Java Developer
9 64 (3.84%) DevOps Engineer
10 63 (3.78%) Project Manager
11 54 (3.24%) C++ Developer
12 50 (3.00%) Consultant
13 49 (2.94%) Business Analyst
14 48 (2.88%) Test Engineer
15 47 (2.82%) C Developer
16 44 (2.64%) C Software Engineer
17 40 (2.40%) Embedded C Engineer
17 40 (2.40%) Senior Software Engineer
18 39 (2.34%) Python Developer
19 35 (2.10%) Linux Engineer
Libraries, Frameworks & Software Standards
1 108 (6.49%) .NET
2 105 (6.31%) Web Services
3 88 (5.29%) XML
4 64 (3.84%) HTML
4 64 (3.84%) REST
5 54 (3.24%) CSS
5 54 (3.24%) J2EE
6 49 (2.94%) AngularJS
7 39 (2.34%) Node.js
8 35 (2.10%) Middleware
9 34 (2.04%) Kafka
10 32 (1.92%) Elastic Stack
10 32 (1.92%) JSON
10 32 (1.92%) React
11 29 (1.74%) RESTful
11 29 (1.74%) SOAP
12 28 (1.68%) jQuery
12 28 (1.68%) OpenGL
12 28 (1.68%) Spring
13 24 (1.44%) JSF
Miscellaneous
1 117 (7.03%) Analytical Skills
2 97 (5.83%) Computer Science
3 80 (4.80%) Data Centre
4 70 (4.20%) Self-Motivation
5 61 (3.66%) Algorithms
6 56 (3.36%) Embedded Systems
7 43 (2.58%) Field-Programmable Gate Array
8 41 (2.46%) Management Information System
8 41 (2.46%) User Experience
9 38 (2.28%) Greenfield Project
10 27 (1.62%) Foreign Exchange (FX)
11 26 (1.56%) Fixed Income
12 24 (1.44%) Device Driver
12 24 (1.44%) Mobile App
13 22 (1.32%) CMDB
13 22 (1.32%) Fintech
14 20 (1.20%) Equities
15 19 (1.14%) PKI
16 18 (1.08%) Data Structures
17 17 (1.02%) Enterprise Software
Operating Systems
1 426 (25.59%) Linux
2 219 (13.15%) Windows
3 129 (7.75%) Unix
4 59 (3.54%) Android
5 53 (3.18%) Windows Server
6 40 (2.40%) Embedded Linux
7 37 (2.22%) Red Hat Enterprise Linux
8 30 (1.80%) Windows Server 2008
9 29 (1.74%) Apple iOS
10 26 (1.56%) Windows Server 2012
11 20 (1.20%) Solaris
12 17 (1.02%) AIX
13 15 (0.90%) VxWorks
14 14 (0.84%) FreeRTOS
14 14 (0.84%) OpenVMS
14 14 (0.84%) VMS
14 14 (0.84%) Windows 7
15 11 (0.66%) Windows 10
16 10 (0.60%) CentOS
17 8 (0.48%) SafeRTOS
Processes & Methodologies
1 421 (25.29%) Software Engineering
2 387 (23.24%) Agile Software Development
3 155 (9.31%) Problem-Solving
4 139 (8.35%) DevOps
5 137 (8.23%) Test Automation
6 130 (7.81%) Configuration Management
7 121 (7.27%) Project Management
8 112 (6.73%) Continuous Integration
9 109 (6.55%) UML
10 108 (6.49%) Open Source
11 105 (6.31%) Scrum
12 100 (6.01%) SDLC
13 98 (5.89%) Migration
14 94 (5.65%) TDD
15 84 (5.05%) Stakeholder Management
16 83 (4.98%) Analytics
17 80 (4.80%) OO
18 76 (4.56%) ITIL
19 69 (4.14%) Waterfall
20 68 (4.08%) Unit Testing
Programming Languages
1 573 (34.41%) C++
2 380 (22.82%) Python
3 371 (22.28%) Java
4 243 (14.59%) SQL
5 184 (11.05%) C#
6 166 (9.97%) JavaScript
7 164 (9.85%) Embedded C
8 114 (6.85%) Perl
9 106 (6.37%) Ruby
10 89 (5.35%) Bash Shell
11 80 (4.80%) Embedded C++
12 70 (4.20%) PowerShell
13 65 (3.90%) MATLAB
14 56 (3.36%) Go
15 53 (3.18%) PL/SQL
16 46 (2.76%) Shell Script
17 35 (2.10%) PHP
18 25 (1.50%) Ada
18 25 (1.50%) Scala
19 22 (1.32%) Assembly Language
Qualifications
1 371 (22.28%) Security Cleared
2 251 (15.08%) SC Cleared
3 203 (12.19%) Degree
4 96 (5.77%) DV Cleared
5 31 (1.86%) Cisco Certification
6 22 (1.32%) Microsoft Certification
7 21 (1.26%) Computer Science Degree
8 18 (1.08%) CCNP
9 16 (0.96%) ISTQB
9 16 (0.96%) Master's Degree
10 15 (0.90%) BPSS Clearance
10 15 (0.90%) CCNA
11 14 (0.84%) CISSP
11 14 (0.84%) ISEB
11 14 (0.84%) PhD
12 11 (0.66%) MCSE
13 10 (0.60%) AWS Certification
13 10 (0.60%) PMP
14 9 (0.54%) PRINCE2 Practitioner
15 8 (0.48%) PMI Certification
Quality Assurance & Compliance
1 43 (2.58%) QA
2 38 (2.28%) MISRA
3 30 (1.80%) PMO
4 28 (1.68%) SLA
5 25 (1.50%) GCP
5 25 (1.50%) GDPR
6 21 (1.26%) MISRA C
7 16 (0.96%) Data Quality
7 16 (0.96%) Def Stans
8 14 (0.84%) DO-178B
9 11 (0.66%) ISO 9001
10 9 (0.54%) IEC 62304
11 8 (0.48%) ISO/IEC 27001
12 7 (0.42%) MiFID
13 6 (0.36%) SEPA
14 5 (0.30%) IEC 61508
14 5 (0.30%) ISO 13485
15 4 (0.24%) ARP4754
15 4 (0.24%) PCI DSS
16 3 (0.18%) JTAG
System Software
1 86 (5.17%) Docker
2 80 (4.80%) Active Directory
3 58 (3.48%) VMware Infrastructure
4 40 (2.40%) Firmware
5 23 (1.38%) vSphere
6 21 (1.26%) Hyper-V
7 19 (1.14%) Apache Flume
8 15 (0.90%) NFS
8 15 (0.90%) VMware ESXi
9 11 (0.66%) Virtual Machines
10 6 (0.36%) Xen
11 5 (0.30%) StorNext
12 4 (0.24%) XenDesktop
13 3 (0.18%) Oracle RAC
13 3 (0.18%) QEMU
13 3 (0.18%) Snort
13 3 (0.18%) Veritas Cluster Server
14 2 (0.12%) HDFS
14 2 (0.12%) iptables
14 2 (0.12%) KVM
Systems Management
1 75 (4.50%) Ansible
2 70 (4.20%) Puppet
3 51 (3.06%) Terraform
4 50 (3.00%) Kubernetes
5 47 (2.82%) Opscode Chef
6 35 (2.10%) Nagios
7 30 (1.80%) Packer
8 17 (1.02%) SELinux
9 12 (0.72%) SCCM
10 11 (0.66%) Tivoli Storage Manager
11 10 (0.60%) Salt
11 10 (0.60%) WSUS
12 9 (0.54%) Cisco Prime
12 9 (0.54%) Perfmon
13 8 (0.48%) Cisco CUCM
13 8 (0.48%) Consul
13 8 (0.48%) SCOM
14 7 (0.42%) HP Quality Center
14 7 (0.42%) McAfee ePO
15 6 (0.36%) Single Sign-On
Vendors
1 173 (10.39%) Microsoft
2 131 (7.87%) Oracle
3 79 (4.74%) Cisco
4 73 (4.38%) VMware
5 52 (3.12%) Splunk
6 49 (2.94%) Google
7 38 (2.28%) IBM
8 33 (1.98%) New Relic
9 32 (1.92%) Red Hat
10 31 (1.86%) HP
11 26 (1.56%) Atlassian
11 26 (1.56%) EMC
12 25 (1.50%) SAP
13 22 (1.32%) NetApp
14 19 (1.14%) Talend
15 17 (1.02%) Citrix
15 17 (1.02%) Sybase
16 13 (0.78%) Adobe
16 13 (0.78%) McAfee
16 13 (0.78%) Tableau