Period
to 21 January 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 21 January 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
21 Jan 2019
Same period 2018 Same period 2017
Rank 167 169 121
Rank change year-on-year +2 -48 +3
Contract jobs citing C 1,646 1,590 2,066
As % of all contract IT jobs advertised in the UK 1.67% 1.61% 2.15%
As % of the Programming Languages category 3.75% 3.82% 5.26%
Number of daily rates quoted 885 859 1,099
UK median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.25%
10th Percentile £311 £304 £285
90th Percentile £650 £663 £588
UK excluding London median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 189 188 257
UK median hourly rate £42.50 £41.75 £41.25
Median hourly rate % change year-on-year +1.80% +1.21% +5.77%
10th Percentile £18.46 £22.50 £16.01
90th Percentile £51.25 £52.50 £52.50
UK excluding London median hourly rate £42.50 £41.50 £41.25
% change year-on-year +2.41% +0.61% +4.10%

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 43,847 41,627 39,251
As % of all contract IT jobs advertised in the UK 44.37% 42.15% 40.87%
Number of daily rates quoted 30,768 29,362 26,942
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +3.03%
10th Percentile £320 £308 £288
90th Percentile £650 £638 £600
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 679 750 863
UK median hourly rate £42.19 £40.00 £40.00
Median hourly rate % change year-on-year +5.48% - +6.67%
10th Percentile £17.00 £16.61 £14.77
90th Percentile £52.50 £52.50 £52.00
UK excluding London median hourly rate £42.50 £40.00 £40.00
% change year-on-year +6.25% - +6.67%

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 21 January 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 21 January 2019.

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 21 January 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 +3 1,519 £470 -1.05% 1,435
UK excluding London +13 1,069 £425 +6.25% 1,245
London -21 551 £500 -4.76% 296
South East +31 327 £400 - 250
South West -4 231 £450 +9.09% 227
East of England -12 166 £425 - 259
North of England -6 135 £375 -11.76% 215
Midlands +20 100 £444 +22.41% 190
West Midlands 0 69 £475 +46.15% 146
Yorkshire +30 64 £413 -2.94% 65
North West +1 62 £375 -21.05% 125
Wales +10 57 £438 +16.67% 42
Scotland -5 32 £350 -19.54% 57
East Midlands +13 28 £365 -8.86% 44
Northern Ireland +31 19 £400 +6.67% 7
North East -30 9 £413 +3.13% 26
Channel Islands - 2 - -

For the 6 months to 21 January 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.

1 603 (36.63%) C++
2 443 (26.91%) Software Engineering
3 367 (22.30%) Linux
4 356 (21.63%) Python
5 330 (20.05%) Java
6 309 (18.77%) Agile Software Development
7 307 (18.65%) Security Cleared
8 290 (17.62%) Finance
9 221 (13.43%) SQL
10 208 (12.64%) Windows
11 201 (12.21%) C#
12 185 (11.24%) SC Cleared
13 175 (10.63%) Embedded C
14 167 (10.15%) Problem-Solving
15 166 (10.09%) Microsoft
15 166 (10.09%) Degree
16 149 (9.05%) Project Management
17 143 (8.69%) Unix
18 141 (8.57%) Analytical Skills
19 131 (7.96%) Microsoft Azure
20 128 (7.78%) JavaScript
21 126 (7.65%) Git (software)
22 121 (7.35%) DV Cleared
23 114 (6.93%) Banking
24 112 (6.80%) Scrum
24 112 (6.80%) XML
25 108 (6.56%) Test Automation
26 107 (6.50%) Unit Testing
27 106 (6.44%) Computer Science
27 106 (6.44%) .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 50 (3.04%) Confluence
2 35 (2.13%) SharePoint
3 21 (1.28%) Apache
4 19 (1.15%) SAS
5 16 (0.97%) CMS
6 14 (0.85%) WebSphere
7 13 (0.79%) OpenStack
8 10 (0.61%) Adobe Experience Manager
8 10 (0.61%) Apache Spark
8 10 (0.61%) JBoss
9 9 (0.55%) Apache Pig
9 9 (0.55%) Tomcat
10 8 (0.49%) MS Exchange
10 8 (0.49%) TPMS
11 7 (0.43%) Elasticsearch
11 7 (0.43%) Skype for Business
12 5 (0.30%) Cloud Foundry
13 4 (0.24%) ArcGIS
13 4 (0.24%) WebSphere Application Server
14 3 (0.18%) Oracle Workflow
Applications
1 70 (4.25%) Microsoft Excel
2 61 (3.71%) Microsoft Office
3 41 (2.49%) Simulink
4 23 (1.40%) Microsoft PowerPoint
5 15 (0.91%) Microsoft Project
6 12 (0.73%) MS Visio
7 6 (0.36%) Spreadsheet
7 6 (0.36%) SPSS
7 6 (0.36%) Stateflow
8 4 (0.24%) Adobe Creative Suite
8 4 (0.24%) InVision
9 3 (0.18%) Maya
9 3 (0.18%) Photoshop
10 2 (0.12%) Adobe Illustrator
10 2 (0.12%) AutoCAD
10 2 (0.12%) GIMP
10 2 (0.12%) GNU Octave
11 1 (0.061%) Camtasia
11 1 (0.061%) EViews
Business Applications
1 13 (0.79%) Dynamics NAV
2 9 (0.55%) Dynamics CRM
3 7 (0.43%) ION MarketView
3 7 (0.43%) Primavera
3 7 (0.43%) SAP S/4HANA
4 6 (0.36%) Workday HCM
5 4 (0.24%) AquaLogic BPM
5 4 (0.24%) Oracle BPM
6 3 (0.18%) LabWindows
6 3 (0.18%) Oracle BRM
7 2 (0.12%) Markit EDM
7 2 (0.12%) Oracle Cash Management
7 2 (0.12%) Oracle EBS
7 2 (0.12%) Oracle Receivables
7 2 (0.12%) Remedy ITSM
7 2 (0.12%) Sage 200
7 2 (0.12%) Sage CRM
7 2 (0.12%) SAP ERP
7 2 (0.12%) SAP Hybris
7 2 (0.12%) Scribe Insight
Cloud Services
1 131 (7.96%) Microsoft Azure
2 97 (5.89%) Amazon AWS
3 38 (2.31%) Office 365
4 35 (2.13%) PaaS
5 33 (2.00%) Google Cloud Platform
6 29 (1.76%) SaaS
7 25 (1.52%) Cloud Computing
8 22 (1.34%) Serverless
9 16 (0.97%) GitHub
10 15 (0.91%) IaaS
11 14 (0.85%) Amazon S3
12 12 (0.73%) Amazon EC2
13 10 (0.61%) NuGet
14 8 (0.49%) AWS Lambda
15 7 (0.43%) Amazon EMR
16 6 (0.36%) Akamai
16 6 (0.36%) AWS CloudFormation
17 5 (0.30%) Dynamics 365
17 5 (0.30%) Virtual Private Cloud
18 4 (0.24%) Adobe Analytics
Communications & Networking
1 71 (4.31%) TCP/IP
2 59 (3.58%) HTTP
2 59 (3.58%) Wireless
3 45 (2.73%) DNS
3 45 (2.73%) Firewall
4 41 (2.49%) Internet
5 39 (2.37%) VoIP
6 32 (1.94%) Bluetooth
6 32 (1.94%) SSL
7 31 (1.88%) SNMP
7 31 (1.88%) VPN
7 31 (1.88%) Wi-Fi
8 30 (1.82%) WAN
9 25 (1.52%) DHCP
10 23 (1.40%) LAN
11 20 (1.22%) SAN
12 18 (1.09%) Wireshark
13 14 (0.85%) 802.11
13 14 (0.85%) BIG-IP
13 14 (0.85%) Network Security
Database & Business Intelligence
1 79 (4.80%) SQL Server
2 51 (3.10%) MySQL
3 39 (2.37%) Hadoop
4 38 (2.31%) PostgreSQL
5 37 (2.25%) Oracle Database
6 32 (1.94%) MongoDB
7 28 (1.70%) Big Data
8 27 (1.64%) Data Warehouse
8 27 (1.64%) NoSQL
9 26 (1.58%) Apache Hive
10 25 (1.52%) Azure SQL Database
10 25 (1.52%) Relational Database
11 18 (1.09%) Cosmos DB
12 17 (1.03%) HBase
12 17 (1.03%) Oracle Reports
13 16 (0.97%) Power BI
14 15 (0.91%) Apache Cassandra
14 15 (0.91%) MariaDB
14 15 (0.91%) Sqoop
15 11 (0.67%) RDBMS
Development Applications
1 126 (7.65%) Git (software)
2 83 (5.04%) Jenkins
2 83 (5.04%) JIRA
3 66 (4.01%) Subversion
4 45 (2.73%) Visual Studio
5 38 (2.31%) ClearCase
6 36 (2.19%) Ant
6 36 (2.19%) Rational DOORS
7 33 (2.00%) NUnit
8 30 (1.82%) GoogleTest
9 29 (1.76%) Selenium
10 27 (1.64%) CppUnit
11 25 (1.52%) Rational Rhapsody
12 24 (1.46%) Gradle
13 22 (1.34%) ProC
14 21 (1.28%) Atlassian Bamboo
14 21 (1.28%) Maven
14 21 (1.28%) TeamCity
15 20 (1.22%) JUnit
16 19 (1.15%) Burp Suite
General
1 290 (17.62%) Finance
2 114 (6.93%) Banking
3 76 (4.62%) Electronics
4 60 (3.65%) Telecoms
5 57 (3.46%) Automotive
6 38 (2.31%) Law
7 37 (2.25%) Retail
8 36 (2.19%) Aerospace
9 32 (1.94%) Manufacturing
10 24 (1.46%) Front Office
11 23 (1.40%) Marketing
12 21 (1.28%) Games
12 21 (1.28%) Military
13 17 (1.03%) Avionics
14 16 (0.97%) Legal
15 15 (0.91%) Billing
16 8 (0.49%) Investment Banking
17 7 (0.43%) Mandarin Language
17 7 (0.43%) Pharmaceutical
18 6 (0.36%) Advertising
Job Titles
1 457 (27.76%) Developer
2 275 (16.71%) Software Engineer
3 160 (9.72%) Embedded Engineer
4 140 (8.51%) Embedded Software Engineer
5 124 (7.53%) Analyst
6 104 (6.32%) Architect
7 87 (5.29%) C++ Developer
8 66 (4.01%) C Developer
9 65 (3.95%) Consultant
10 64 (3.89%) C++ Software Engineer
11 63 (3.83%) C Software Engineer
12 60 (3.65%) Project Manager
13 54 (3.28%) Java Developer
14 47 (2.86%) Solutions Architect
15 41 (2.49%) C# Developer
16 39 (2.37%) DevOps Engineer
16 39 (2.37%) Software Developer
17 37 (2.25%) Tester
18 35 (2.13%) Embedded C Engineer
18 35 (2.13%) Linux Engineer
Libraries, Frameworks & Software Standards
1 112 (6.80%) XML
2 106 (6.44%) .NET
3 83 (5.04%) Web Services
4 76 (4.62%) HTML
5 68 (4.13%) AngularJS
6 59 (3.58%) JSON
7 58 (3.52%) SOAP
8 56 (3.40%) CSS
9 53 (3.22%) REST
10 42 (2.55%) .NET Framework
11 41 (2.49%) React
12 40 (2.43%) HTML5
13 37 (2.25%) Middleware
14 36 (2.19%) RESTful
15 33 (2.00%) JSP
16 32 (1.94%) CSS3
16 32 (1.94%) Node.js
16 32 (1.94%) STL
17 30 (1.82%) Spring
18 23 (1.40%) Android NDK
Miscellaneous
1 141 (8.57%) Analytical Skills
2 68 (4.13%) Embedded Systems
3 61 (3.71%) Algorithms
4 58 (3.52%) Self-Motivation
5 54 (3.28%) Greenfield Project
6 36 (2.19%) Field-Programmable Gate Array
7 35 (2.13%) Device Driver
8 34 (2.07%) Management Information System
9 32 (1.94%) Data Centre
10 30 (1.82%) Derivative
10 30 (1.82%) Fintech
10 30 (1.82%) User Experience
11 24 (1.46%) Mobile App
12 22 (1.34%) Linux Command Line
13 21 (1.28%) VHDL
14 18 (1.09%) Cyberthreat
15 17 (1.03%) Client/Server
16 16 (0.97%) Fixed Income
17 14 (0.85%) Mainframe
17 14 (0.85%) SCADA
Operating Systems
1 367 (22.30%) Linux
2 208 (12.64%) Windows
3 143 (8.69%) Unix
4 75 (4.56%) Android
5 47 (2.86%) Windows 7
6 41 (2.49%) Embedded Linux
7 38 (2.31%) Apple iOS
8 31 (1.88%) Windows Server
9 26 (1.58%) Windows 8
10 23 (1.40%) Solaris
11 22 (1.34%) Windows 10
12 19 (1.15%) Windows Server 2008
13 18 (1.09%) Windows Server 2012
14 17 (1.03%) OpenVMS
14 17 (1.03%) Red Hat Enterprise Linux
15 15 (0.91%) Kali Linux
16 12 (0.73%) SUSE
16 12 (0.73%) SUSE Linux Enterprise Server
17 11 (0.67%) VME
18 10 (0.61%) CentOS
Processes & Methodologies
1 443 (26.91%) Software Engineering
2 309 (18.77%) Agile Software Development
3 167 (10.15%) Problem-Solving
4 149 (9.05%) Project Management
5 112 (6.80%) Scrum
6 108 (6.56%) Test Automation
7 107 (6.50%) Unit Testing
8 106 (6.44%) Computer Science
9 102 (6.20%) DevOps
10 100 (6.08%) SDLC
11 89 (5.41%) Mathematics
12 88 (5.35%) Configuration Management
12 88 (5.35%) Microservices
13 87 (5.29%) UML
14 85 (5.16%) TDD
15 82 (4.98%) OO
16 77 (4.68%) Continuous Integration
17 76 (4.62%) Migration
18 71 (4.31%) Integration Testing
18 71 (4.31%) Stakeholder Management
Programming Languages
1 603 (36.63%) C++
2 356 (21.63%) Python
3 330 (20.05%) Java
4 221 (13.43%) SQL
5 201 (12.21%) C#
6 175 (10.63%) Embedded C
7 128 (7.78%) JavaScript
8 77 (4.68%) Perl
8 77 (4.68%) PowerShell
9 70 (4.25%) MATLAB
9 70 (4.25%) Ruby
10 68 (4.13%) Bash Shell
11 63 (3.83%) Embedded C++
12 48 (2.92%) Go
13 44 (2.67%) PL/SQL
14 42 (2.55%) Shell Script
15 39 (2.37%) PHP
16 32 (1.94%) Objective-C
17 31 (1.88%) R
18 26 (1.58%) C++/CLI
Qualifications
1 307 (18.65%) Security Cleared
2 185 (11.24%) SC Cleared
3 166 (10.09%) Degree
4 121 (7.35%) DV Cleared
5 46 (2.79%) Computer Science Degree
6 20 (1.22%) Cisco Certification
7 19 (1.15%) Microsoft Certification
8 18 (1.09%) PMI Certification
9 16 (0.97%) CISSP
10 15 (0.91%) CCNA
11 13 (0.79%) OSCE
12 12 (0.73%) CCNP
12 12 (0.73%) PMP
12 12 (0.73%) PRINCE2 Certification
12 12 (0.73%) SANS
13 10 (0.61%) CREST Certified
13 10 (0.61%) ITIL Certification
13 10 (0.61%) PhD
14 9 (0.55%) MCSE
14 9 (0.55%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 49 (2.98%) QA
2 38 (2.31%) MISRA
3 31 (1.88%) HMG Security Policy Framework
4 30 (1.82%) JSP 440
5 28 (1.70%) HMG Infosec
5 28 (1.70%) PMO
6 20 (1.22%) SLA
7 17 (1.03%) MISRA C
8 16 (0.97%) DO-178B
9 11 (0.67%) ISO/IEC 27001
10 10 (0.61%) Sarbanes-Oxley
11 9 (0.55%) Data Quality
11 9 (0.55%) HIPAA
12 7 (0.43%) GDPR
13 6 (0.36%) IEC 61508
14 5 (0.30%) JTAG
14 5 (0.30%) PSD2
15 3 (0.18%) Def Stans
15 3 (0.18%) ISO/IEC 20000
15 3 (0.18%) PCI DSS
System Software
1 66 (4.01%) Docker
2 47 (2.86%) Active Directory
3 40 (2.43%) Firmware
4 30 (1.82%) VMware Infrastructure
5 15 (0.91%) VMware ESXi
6 11 (0.67%) Hyper-V
7 10 (0.61%) HDFS
8 9 (0.55%) Apache Flume
8 9 (0.55%) vSphere
9 7 (0.43%) Apache ZooKeeper
9 7 (0.43%) Oracle RAC
10 6 (0.36%) Microsoft App-V
10 6 (0.36%) NFS
10 6 (0.36%) Virtual Machines
11 4 (0.24%) KVM
11 4 (0.24%) OpenAM
11 4 (0.24%) Shibboleth
11 4 (0.24%) Virtual Desktop
11 4 (0.24%) VirtualBox
11 4 (0.24%) XenDesktop
Systems Management
1 53 (3.22%) Ansible
2 47 (2.86%) Kubernetes
3 40 (2.43%) Opscode Chef
3 40 (2.43%) Puppet
4 27 (1.64%) Terraform
5 17 (1.03%) HP ALM
6 14 (0.85%) Nessus
7 13 (0.79%) Nmap
8 12 (0.73%) CFEngine
8 12 (0.73%) Salt
9 11 (0.67%) SCCM
10 8 (0.49%) HP Quality Center
10 8 (0.49%) nmon
10 8 (0.49%) Oracle Enterprise Manager
11 6 (0.36%) Hadoop YARN
11 6 (0.36%) Oozie
11 6 (0.36%) Packer
11 6 (0.36%) WSUS
12 5 (0.30%) Microsoft Clustering
12 5 (0.30%) vMotion
Vendors
1 166 (10.09%) Microsoft
2 104 (6.32%) Oracle
3 42 (2.55%) VMware
4 39 (2.37%) Google
5 36 (2.19%) HP
5 36 (2.19%) IBM
6 35 (2.13%) Cisco
7 25 (1.52%) Red Hat
8 23 (1.40%) SAP
9 22 (1.34%) Splunk
10 19 (1.15%) Adobe
10 19 (1.15%) F5
11 15 (0.91%) Remedy
12 14 (0.85%) Citrix
12 14 (0.85%) NetApp
13 13 (0.79%) Serena
14 12 (0.73%) EMC
15 10 (0.61%) Hortonworks
16 8 (0.49%) hybris
16 8 (0.49%) Workday