Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Hourly Rate Histogram Job Locations Skill Sets
Period
to 18 January 2021

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 2021 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 2021		 Same period 2020 Same period 2019
Rank 120 121 169
Rank change year-on-year +1 +48 +1
Contract jobs citing C 872 1,474 1,668
As % of all contract jobs advertised in the UK 2.13% 2.04% 1.68%
As % of the Programming Languages category 5.13% 5.00% 3.78%
Number of daily rates quoted 580 865 927
Median daily rate £500 £450 £450
Median daily rate % change year-on-year +11.11% - -
10th Percentile £300 £313 £308
90th Percentile £698 £625 £650
UK excluding London median daily rate £413 £450 £413
% change year-on-year -8.33% +9.09% +3.13%
Number of hourly rates quoted 152 182 194
Median hourly rate £42.50 £45.00 £42.50
Median hourly rate % change year-on-year -5.56% +5.88% +3.66%
10th Percentile £11.17 £27.05 £18.70
90th Percentile £66.00 £53.75 £51.25
UK excluding London median hourly rate £42.50 £45.00 £42.50
% change year-on-year -5.56% +5.88% +3.66%

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 16,996 29,489 44,133
As % of all contract IT jobs advertised in the UK 41.46% 40.80% 44.36%
Number of daily rates quoted 11,828 20,635 31,341
Median daily rate £475 £475 £475
10th Percentile £313 £325 £319
90th Percentile £663 £650 £650
UK excluding London median daily rate £425 £430 £425
% change year-on-year -1.16% +1.18% +6.25%
Number of hourly rates quoted 399 539 644
Median hourly rate £42.50 £43.50 £42.22
Median hourly rate % change year-on-year -2.30% +3.03% +5.55%
10th Percentile £13.34 £16.55 £16.76
90th Percentile £58.75 £55.00 £51.25
Median hourly rate £42.25 £42.50 £42.50
% change year-on-year -0.59% - +6.25%

C
Job Vacancy Trend

Job postings citing C as a proportion of all IT jobs advertised.

Job vacancy trend for C in the UK

C
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing C.

Daily rate trend for C in the UK

C
Daily Rate Histogram

Daily rate distribution for jobs citing C over the 6 months to 18 January 2021.

Daily rate histogram for C in the UK

C
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing C.

Hourly rate trend for C in the UK

C
Hourly Rate Histogram

Hourly rate distribution of jobs citing C over the 6 months to 18 January 2021.

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 January 2021. 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 +5 751 £475 +5.56% 702
UK excluding London -4 436 £413 -8.33% 601
London +65 310 £525 - 165
Work from Home -57 172 £500 +27.39% 102
South East +33 148 £419 -6.94% 124
East of England +10 88 £393 -12.78% 92
South West -21 75 £465 +3.33% 99
North of England +54 62 £344 -6.59% 128
Midlands +9 42 £400 -5.88% 93
West Midlands +7 34 £375 -14.29% 60
North West +39 27 £400 +6.67% 62
Yorkshire +54 23 £338 -15.63% 49
North East +15 12 £160 -54.29% 18
Wales +16 11 £320 -14.67% 15
Scotland +38 9 £504 +0.80% 25
East Midlands +32 8 £400 - 33
Northern Ireland +8 4 £350 -12.50% 25

For the 6 months to 18 January 2021, 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.

1 247 (28.33%) Agile Software Development
2 236 (27.06%) C++
3 199 (22.82%) Security Cleared
4 190 (21.79%) Python
5 165 (18.92%) Software Engineering
6 162 (18.58%) Linux
7 150 (17.20%) SC Cleared
8 132 (15.14%) Finance
9 131 (15.02%) Java
10 110 (12.61%) SQL
11 101 (11.58%) Problem-Solving
12 94 (10.78%) Windows
13 80 (9.17%) Microsoft
14 79 (9.06%) JIRA
15 78 (8.94%) Scrum
16 77 (8.83%) Oracle
17 75 (8.60%) DevOps
18 73 (8.37%) Git (software)
19 69 (7.91%) Migration
20 68 (7.80%) AWS
21 67 (7.68%) Telecoms
22 64 (7.34%) Wi-Fi
23 63 (7.22%) Analytical Skills
24 62 (7.11%) Azure
25 61 (7.00%) C#
25 61 (7.00%) Unix
26 59 (6.77%) Degree
27 57 (6.54%) DV Cleared
27 57 (6.54%) Embedded C
28 56 (6.42%) Electronics

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 39 (4.47%) Confluence
2 17 (1.95%) CMS
3 10 (1.15%) ArcGIS
4 9 (1.03%) Apache
4 9 (1.03%) IIS
4 9 (1.03%) SharePoint
5 7 (0.80%) WebLogic
6 5 (0.57%) Elasticsearch
6 5 (0.57%) JBoss
6 5 (0.57%) Oracle SOA Suite
7 4 (0.46%) SAP Portal
7 4 (0.46%) SAS
8 3 (0.34%) Apache Airflow
8 3 (0.34%) Exchange Server 2013
8 3 (0.34%) MS Exchange
8 3 (0.34%) Red Hat Fuse
8 3 (0.34%) Tomcat
9 2 (0.23%) Apache Spark
9 2 (0.23%) LiveLink
9 2 (0.23%) MQSeries
Applications
1 32 (3.67%) Microsoft Office
2 17 (1.95%) Microsoft Excel
3 14 (1.61%) Microsoft PowerPoint
3 14 (1.61%) MS Visio
4 11 (1.26%) Photoshop
5 10 (1.15%) Simulink
6 5 (0.57%) Spreadsheet
7 3 (0.34%) Microsoft Project
8 1 (0.11%) Adobe After Effects
8 1 (0.11%) Adobe Creative Suite
8 1 (0.11%) Adobe Illustrator
8 1 (0.11%) Adobe Premiere
8 1 (0.11%) AutoCAD
8 1 (0.11%) Chatbot
8 1 (0.11%) CINEMA 4D
8 1 (0.11%) PTC Creo
8 1 (0.11%) Siemens NX
8 1 (0.11%) SPSS
Business Applications
1 8 (0.92%) ION MarketView
2 5 (0.57%) Dynamics CRM
2 5 (0.57%) SAP Hybris
3 4 (0.46%) SAP CO
3 4 (0.46%) SAP FI
3 4 (0.46%) SAP FI/CO
3 4 (0.46%) SAP PSCD
4 3 (0.34%) Lorenzo
5 2 (0.23%) Dynamics AX
5 2 (0.23%) Dynamics GP
5 2 (0.23%) Dynamics NAV
5 2 (0.23%) Oracle Retail
5 2 (0.23%) SAP S/4HANA
5 2 (0.23%) Sparx Enterprise Architect
6 1 (0.11%) Magento
6 1 (0.11%) Oracle Applications
6 1 (0.11%) Oracle BRM
6 1 (0.11%) Oracle ERP
6 1 (0.11%) SAP SD
6 1 (0.11%) Teamcenter
Cloud Services
1 68 (7.80%) AWS
2 62 (7.11%) Azure
3 27 (3.10%) GCP
4 20 (2.29%) Power Platform
5 19 (2.18%) GitHub
6 13 (1.49%) Office 365
7 8 (0.92%) Cloud Computing
8 7 (0.80%) Amazon ElastiCache
8 7 (0.80%) Dynamics 365
9 6 (0.69%) AWS CloudFormation
9 6 (0.69%) SaaS
9 6 (0.69%) Serverless
10 5 (0.57%) IaaS
10 5 (0.57%) PowerApps
11 4 (0.46%) Amazon EKS
11 4 (0.46%) AWS Lambda
11 4 (0.46%) Azure Data Factory
11 4 (0.46%) PaaS
12 3 (0.34%) Power Automate
12 3 (0.34%) Virtual Private Cloud
Communications & Networking
1 64 (7.34%) Wi-Fi
2 48 (5.50%) TCP/IP
3 39 (4.47%) DHCP
4 33 (3.78%) IPv6
5 29 (3.33%) Bluetooth
6 28 (3.21%) Wireless
7 24 (2.75%) IPv4
8 23 (2.64%) DNS
8 23 (2.64%) WAN
9 22 (2.52%) HTTP
9 22 (2.52%) VoIP
10 20 (2.29%) 5G
10 20 (2.29%) Firewall
11 17 (1.95%) 2G
11 17 (1.95%) LAN
12 15 (1.72%) GSM
13 14 (1.61%) Internet
13 14 (1.61%) MVNO
13 14 (1.61%) Packet Switching
14 12 (1.38%) RS-485
Database & Business Intelligence
1 39 (4.47%) SQL Server
2 17 (1.95%) Power BI
3 15 (1.72%) PostgreSQL
4 13 (1.49%) Data Warehouse
5 12 (1.38%) Big Data
5 12 (1.38%) MySQL
6 11 (1.26%) SQL Server Integration Services
7 10 (1.15%) GIS
8 8 (0.92%) Amazon RDS
8 8 (0.92%) SQL Server Reporting Services
9 7 (0.80%) Data Lake
10 6 (0.69%) Hadoop
10 6 (0.69%) NoSQL
10 6 (0.69%) Oracle Database
10 6 (0.69%) Relational Database
10 6 (0.69%) SQL Server 2008
11 5 (0.57%) Electronic Patient Records
12 4 (0.46%) IBM InfoSphere
12 4 (0.46%) Pentaho
12 4 (0.46%) Qlik Sense
Development Applications
1 79 (9.06%) JIRA
2 73 (8.37%) Git (software)
3 32 (3.67%) Jenkins
4 20 (2.29%) CA Gen
5 18 (2.06%) Visual Studio
6 15 (1.72%) Rational Rhapsody
7 14 (1.61%) GDB
7 14 (1.61%) GitLab
7 14 (1.61%) Selenium
8 11 (1.26%) Maven
9 10 (1.15%) Subversion
10 9 (1.03%) Sonatype Nexus
11 8 (0.92%) Artifactory
11 8 (0.92%) PVCS
12 7 (0.80%) Atlassian Bamboo
12 7 (0.80%) ProC
13 6 (0.69%) Bitbucket
13 6 (0.69%) CircleCI
13 6 (0.69%) git-flow
14 5 (0.57%) Grunt
General
1 132 (15.14%) Finance
2 67 (7.68%) Telecoms
3 56 (6.42%) Electronics
4 48 (5.50%) Public Sector
5 37 (4.24%) Law
6 28 (3.21%) Banking
7 22 (2.52%) Aerospace
8 19 (2.18%) Manufacturing
8 19 (2.18%) Marketing
9 16 (1.83%) Investment Banking
10 13 (1.49%) Games
10 13 (1.49%) Retail
11 7 (0.80%) Automotive
11 7 (0.80%) Front Office
12 6 (0.69%) Legal
12 6 (0.69%) Military
13 5 (0.57%) Billing
14 4 (0.46%) Back Office
14 4 (0.46%) Multimedia
15 3 (0.34%) Pharmaceutical
Job Titles
1 187 (21.44%) Developer
2 124 (14.22%) Software Engineer
3 64 (7.34%) Embedded Engineer
4 57 (6.54%) Embedded Software Engineer
5 53 (6.08%) Architect
6 45 (5.16%) Analyst
7 44 (5.05%) Project Manager
8 36 (4.13%) C Software Engineer
9 34 (3.90%) C++ Software Engineer
10 31 (3.56%) Software Developer
11 30 (3.44%) Consultant
12 29 (3.33%) C++ Developer
13 28 (3.21%) C/C++ Software Engineer
14 26 (2.98%) Test Engineer
15 23 (2.64%) Support Engineer
16 21 (2.41%) C Developer
17 18 (2.06%) Java Developer
17 18 (2.06%) Security Engineer
17 18 (2.06%) Senior Developer
18 17 (1.95%) Business Analyst
Libraries, Frameworks & Software Standards
1 39 (4.47%) Web Services
2 34 (3.90%) HTML
3 31 (3.56%) .NET
4 26 (2.98%) REST
5 25 (2.87%) POSIX
6 24 (2.75%) Yocto
7 23 (2.64%) XML
8 22 (2.52%) CSS
9 19 (2.18%) HTML5
10 18 (2.06%) JSON
11 17 (1.95%) Node.js
12 11 (1.26%) JNI
12 11 (1.26%) STL
13 10 (1.15%) Qt
13 10 (1.15%) React
13 10 (1.15%) Spring
14 9 (1.03%) CSS3
14 9 (1.03%) Middleware
14 9 (1.03%) PyTorch
15 8 (0.92%) SOAP
Miscellaneous
1 63 (7.22%) Analytical Skills
2 42 (4.82%) Device Driver
3 30 (3.44%) Embedded Systems
4 28 (3.21%) Greenfield Project
5 26 (2.98%) Management Information System
5 26 (2.98%) Self-Motivation
6 21 (2.41%) Algorithms
7 18 (2.06%) Derivative
7 18 (2.06%) Fixed Income
8 17 (1.95%) Data Centre
9 16 (1.83%) Credit Derivative
9 16 (1.83%) Hedge funds
9 16 (1.83%) PMI
10 15 (1.72%) STB
10 15 (1.72%) Video Conferencing
11 13 (1.49%) User Experience
12 11 (1.26%) Foreign Exchange (FX)
12 11 (1.26%) Mobile App
13 10 (1.15%) Equities
13 10 (1.15%) Media Streaming
Operating Systems
1 162 (18.58%) Linux
2 94 (10.78%) Windows
3 61 (7.00%) Unix
4 36 (4.13%) Android
5 30 (3.44%) Windows 10
6 23 (2.64%) Embedded Linux
7 21 (2.41%) Windows Server
8 20 (2.29%) Apple iOS
8 20 (2.29%) Windows 7
8 20 (2.29%) Windows Server 2012
9 18 (2.06%) Red Hat Enterprise Linux
10 17 (1.95%) AIX
11 15 (1.72%) Windows Server 2008
12 14 (1.61%) Mac OS
12 14 (1.61%) Windows Server 2016
13 11 (1.26%) OpenWrt
14 10 (1.15%) Solaris
14 10 (1.15%) Windows Server 2019
15 9 (1.03%) OpenVMS
16 5 (0.57%) Debian
Processes & Methodologies
1 247 (28.33%) Agile Software Development
2 165 (18.92%) Software Engineering
3 101 (11.58%) Problem-Solving
4 78 (8.94%) Scrum
5 75 (8.60%) DevOps
6 69 (7.91%) Migration
7 51 (5.85%) Mathematics
8 50 (5.73%) Stakeholder Management
9 48 (5.50%) ITIL
9 48 (5.50%) Project Delivery
10 47 (5.39%) Continuous Integration
11 44 (5.05%) TDD
12 43 (4.93%) Open Source
13 39 (4.47%) UML
14 38 (4.36%) Business Intelligence
14 38 (4.36%) Mentoring
14 38 (4.36%) Test Automation
15 37 (4.24%) Configuration Management
15 37 (4.24%) Data Modelling
15 37 (4.24%) Project Management
Programming Languages
1 236 (27.06%) C++
2 190 (21.79%) Python
3 131 (15.02%) Java
4 110 (12.61%) SQL
5 61 (7.00%) C#
6 57 (6.54%) Embedded C
7 44 (5.05%) JavaScript
8 42 (4.82%) PowerShell
9 36 (4.13%) Shell Script
10 33 (3.78%) PL/SQL
11 29 (3.33%) Bash Shell
12 28 (3.21%) Perl
13 27 (3.10%) Embedded C++
14 23 (2.64%) Ruby
15 18 (2.06%) MATLAB
15 18 (2.06%) PHP
16 17 (1.95%) Korn
16 17 (1.95%) R
16 17 (1.95%) VB
17 16 (1.83%) Ada
Qualifications
1 199 (22.82%) Security Cleared
2 150 (17.20%) SC Cleared
3 59 (6.77%) Degree
4 57 (6.54%) DV Cleared
5 20 (2.29%) PMI Certification
6 19 (2.18%) Cisco Certification
7 11 (1.26%) Microsoft Certification
8 10 (1.15%) Computer Science Degree
9 7 (0.80%) BPSS Clearance
9 7 (0.80%) CISSP
9 7 (0.80%) PhD
10 6 (0.69%) CESG Certified Professional
10 6 (0.69%) CISM
10 6 (0.69%) Master's Degree
10 6 (0.69%) PMP
11 5 (0.57%) DBS Check
11 5 (0.57%) HNC
11 5 (0.57%) Numerate Degree
12 4 (0.46%) A+ Certification
12 4 (0.46%) CCIE
Quality Assurance & Compliance
1 43 (4.93%) QA
2 20 (2.29%) SLA
3 15 (1.72%) ISO/IEC 27001
4 14 (1.61%) PMBOK
5 13 (1.49%) NIST
6 10 (1.15%) Data Quality
7 8 (0.92%) GDPR
7 8 (0.92%) NCSC
8 7 (0.80%) MISRA
9 5 (0.57%) HMG Security Policy Framework
9 5 (0.57%) JTAG
9 5 (0.57%) WCAG
10 4 (0.46%) ISO 26262
10 4 (0.46%) PMO
11 3 (0.34%) DO-178B
11 3 (0.34%) IEC 62304
11 3 (0.34%) Sarbanes-Oxley
12 2 (0.23%) ISO 8583
12 2 (0.23%) MISRA C
13 1 (0.11%) ECSS
System Software
1 43 (4.93%) VMware Infrastructure
2 33 (3.78%) Active Directory
3 27 (3.10%) Docker
4 25 (2.87%) Firmware
5 17 (1.95%) VMware NSX
6 14 (1.61%) Virtual Machines
7 11 (1.26%) NFS
7 11 (1.26%) VMware ESXi
8 5 (0.57%) vSphere
9 4 (0.46%) Microcode
9 4 (0.46%) VirtualBox
10 3 (0.34%) Ceph
10 3 (0.34%) Oracle RAC
10 3 (0.34%) VMware Workstation
10 3 (0.34%) Xen
10 3 (0.34%) XenApp
11 2 (0.23%) qmail
11 2 (0.23%) Samba
11 2 (0.23%) Veritas Cluster Server
11 2 (0.23%) Veritas Volume Manager
Systems Management
1 38 (4.36%) Kubernetes
2 27 (3.10%) Ansible
3 15 (1.72%) Terraform
4 11 (1.26%) HP ALM
4 11 (1.26%) HP Fortify
4 11 (1.26%) vCenter Server
5 10 (1.15%) Puppet
5 10 (1.15%) Single Sign-On
6 8 (0.92%) Prometheus
7 7 (0.80%) Opscode Chef
8 6 (0.69%) vRealize Orchestrator
9 5 (0.57%) Cisco CUCM
9 5 (0.57%) SELinux
10 4 (0.46%) Hadoop YARN
11 3 (0.34%) MaaS360
11 3 (0.34%) Mesos
11 3 (0.34%) Nessus
11 3 (0.34%) Salt
12 2 (0.23%) HP Quality Center
12 2 (0.23%) SCCM
Vendors
1 80 (9.17%) Microsoft
2 77 (8.83%) Oracle
3 43 (4.93%) VMware
4 34 (3.90%) IBM
5 31 (3.56%) Cisco
5 31 (3.56%) SAP
6 26 (2.98%) Google
7 19 (2.18%) HP
8 18 (2.06%) CA
9 15 (1.72%) Qualys
9 15 (1.72%) ServiceNow
10 14 (1.61%) Citrix
11 12 (1.38%) ArcSight
11 12 (1.38%) Atlassian
11 12 (1.38%) Micro Focus
11 12 (1.38%) Red Hat
11 12 (1.38%) Sonatype
11 12 (1.38%) Splunk
12 11 (1.26%) Apple
12 11 (1.26%) Black Duck
789 C job vacancies Nationwide