Period
to 24 November 2020

The following table provides summary statistics for permanent job vacancies with a requirement for C skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited C over the 6 months to 24 November 2020 with a comparison to the same period in the previous 2 years.

C
UK
6 months to
24 Nov 2020
Same period 2019 Same period 2018
Rank 110 88 102
Rank change year-on-year -22 +14 -5
Permanent jobs citing C 1,593 4,497 5,002
As % of all permanent jobs advertised in the UK 2.91% 3.36% 3.10%
As % of the Programming Languages category 4.93% 6.24% 5.62%
Number of salaries quoted 1,431 3,590 3,948
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +0.50%
10th Percentile £36,250 £31,250 £31,250
90th Percentile £97,500 £77,500 £85,000
UK excluding London median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

C is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for coding skills.

All Programming Languages
UK
Permanent vacancies with a requirement for coding skills 32,315 72,054 89,070
As % of all permanent IT jobs advertised in the UK 59.13% 53.77% 55.25%
Number of salaries quoted 27,681 59,394 74,148
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% -
10th Percentile £33,750 £31,250 £31,250
90th Percentile £90,000 £86,250 £83,750
UK excluding London median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - +5.88%

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
Salary Trend

3-month moving average salary quoted in jobs citing C.

Salary trend for C in the UK

C
Salary Histogram

Salary distribution for jobs citing C over the 6 months to 24 November 2020.

Salary histogram for C in the UK

C
Top 18 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing C within the UK over the 6 months to 24 November 2020. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -30 1,401 £57,500 +9.52% 634
UK excluding London -24 1,032 £50,000 - 522
London +12 490 £70,000 +16.67% 152
South East -18 332 £52,500 +5.00% 131
South West -18 247 £50,000 - 71
North of England -17 139 £51,250 +12.02% 111
Work from Home -65 132 £60,000 +4.35% 97
Midlands 0 109 £50,000 +17.65% 66
Scotland +50 96 £47,500 +18.75% 29
Yorkshire +84 70 £55,000 +15.79% 46
East of England -34 70 £52,500 +5.00% 102
North West -55 60 £45,000 - 50
West Midlands -26 59 £50,000 +5.26% 43
East Midlands +31 50 £50,000 +33.33% 23
Northern Ireland +30 24 £50,000 -50.00% 4
Wales +15 15 £40,750 +1.88% 8
North East +16 9 £45,000 - 15
Isle of Man - 1 £36,500 -

For the 6 months to 24 November 2020, IT 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 permanent job ads with a requirement for C.

1 679 (42.62%) C++
2 474 (29.76%) Python
3 462 (29.00%) Software Engineering
4 407 (25.55%) Linux
5 402 (25.24%) Agile Software Development
6 365 (22.91%) Java
7 333 (20.90%) Degree
8 288 (18.08%) Finance
9 214 (13.43%) Security Cleared
10 205 (12.87%) AWS
11 192 (12.05%) SQL
12 188 (11.80%) C#
13 187 (11.74%) Scrum
14 177 (11.11%) Computer Science
15 174 (10.92%) JavaScript
16 169 (10.61%) Azure
17 156 (9.79%) Electronics
18 155 (9.73%) Test Automation
19 148 (9.29%) Embedded C
20 146 (9.17%) Problem-Solving
21 141 (8.85%) Algorithms
21 141 (8.85%) DV Cleared
22 138 (8.66%) Windows
23 135 (8.47%) Microsoft
24 133 (8.35%) Cybersecurity
25 131 (8.22%) Git (software)
26 127 (7.97%) DevOps
27 122 (7.66%) Project Management
28 115 (7.22%) Mathematics
29 114 (7.16%) HTML

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 49 (3.08%) Confluence
2 28 (1.76%) Elasticsearch
3 17 (1.07%) Apache
3 17 (1.07%) SAS
4 12 (0.75%) Apache Spark
5 11 (0.69%) Tomcat
6 10 (0.63%) MS Exchange
6 10 (0.63%) SharePoint
7 9 (0.56%) IIS
8 7 (0.44%) JBoss
8 7 (0.44%) OpenStack
9 6 (0.38%) Skype for Business
9 6 (0.38%) WebLogic
10 5 (0.31%) ArcGIS
10 5 (0.31%) Oracle SOA Suite
11 4 (0.25%) WebSphere
12 3 (0.19%) Exchange Server 2010
12 3 (0.19%) nginx
13 2 (0.13%) Cloud Foundry
13 2 (0.13%) Jupyter
Applications
1 61 (3.83%) Microsoft Office
2 17 (1.07%) Simulink
3 11 (0.69%) Microsoft Excel
4 8 (0.50%) Microsoft PowerPoint
4 8 (0.50%) MS Visio
5 6 (0.38%) Microsoft Project
6 5 (0.31%) Sketch
6 5 (0.31%) SPSS
7 4 (0.25%) Adobe Illustrator
7 4 (0.25%) Adobe XD
7 4 (0.25%) Fusion 360
7 4 (0.25%) InVision
7 4 (0.25%) Photoshop
7 4 (0.25%) Windchill
8 3 (0.19%) Adobe Creative Suite
8 3 (0.19%) Marvel
8 3 (0.19%) TargetLink
9 2 (0.13%) S-PLUS
9 2 (0.13%) Spreadsheet
10 1 (0.063%) Revit
Business Applications
1 12 (0.75%) Dynamics NAV
1 12 (0.75%) SAP Hybris
2 10 (0.63%) SAP S/4HANA
3 7 (0.44%) Dynamics CRM
4 4 (0.25%) Oracle BPM
4 4 (0.25%) Oracle Cash Management
4 4 (0.25%) Salesforce.com CRM
4 4 (0.25%) Teamcenter
5 3 (0.19%) Oracle EBS
5 3 (0.19%) Oracle EBS R12
5 3 (0.19%) Oracle Financials
6 2 (0.13%) JDE EnterpriseOne
6 2 (0.13%) JDE OneWorld
6 2 (0.13%) Oracle Applications
6 2 (0.13%) Primavera
7 1 (0.063%) Dynamics AX
7 1 (0.063%) SAP CO
7 1 (0.063%) SAP FI
7 1 (0.063%) SAP FI/CO
7 1 (0.063%) Summit
Cloud Services
1 205 (12.87%) AWS
2 169 (10.61%) Azure
3 79 (4.96%) GCP
4 51 (3.20%) Office 365
5 29 (1.82%) SaaS
6 23 (1.44%) GitHub
7 21 (1.32%) Cloud Computing
7 21 (1.32%) Power Platform
7 21 (1.32%) Serverless
8 18 (1.13%) AWS CloudFormation
9 16 (1.00%) AWS Lambda
10 15 (0.94%) Trello
11 12 (0.75%) Dynamics 365
12 9 (0.56%) Amazon EC2
12 9 (0.56%) IaaS
13 7 (0.44%) Amazon CloudWatch
13 7 (0.44%) Azure Active Directory
13 7 (0.44%) PaaS
14 6 (0.38%) Mimecast
15 5 (0.31%) OneDrive
Communications & Networking
1 66 (4.14%) TCP/IP
2 65 (4.08%) Wireless
3 55 (3.45%) Internet
4 51 (3.20%) Ethernet
5 46 (2.89%) Wi-Fi
6 29 (1.82%) Firewall
7 28 (1.76%) 5G
7 28 (1.76%) Bluetooth
8 26 (1.63%) 4G
8 26 (1.63%) Network Security
9 24 (1.51%) Software-Defined Radio
10 23 (1.44%) DNS
11 18 (1.13%) Broadband
11 18 (1.13%) DHCP
11 18 (1.13%) RS-485
12 16 (1.00%) RS-232
13 15 (0.94%) MQTT
13 15 (0.94%) Skype
14 12 (0.75%) HTTP
15 11 (0.69%) 802.11
Database & Business Intelligence
1 68 (4.27%) Big Data
2 55 (3.45%) SQL Server
3 52 (3.26%) MySQL
4 33 (2.07%) PostgreSQL
5 27 (1.69%) NoSQL
6 26 (1.63%) Redis
6 26 (1.63%) Tableau
7 22 (1.38%) BusinessObjects
7 22 (1.38%) Relational Database
8 21 (1.32%) Data Warehouse
8 21 (1.32%) MongoDB
8 21 (1.32%) Power BI
9 18 (1.13%) KDB
10 15 (0.94%) Kdb+
10 15 (0.94%) QlikView
11 14 (0.88%) Snowflake Schema
12 13 (0.82%) Blockchain
12 13 (0.82%) Hadoop
12 13 (0.82%) Spotfire
13 12 (0.75%) Looker
Development Applications
1 131 (8.22%) Git (software)
2 110 (6.91%) JIRA
3 90 (5.65%) Jenkins
4 40 (2.51%) Subversion
5 35 (2.20%) Eclipse
6 32 (2.01%) Visual Studio
7 30 (1.88%) Selenium
8 23 (1.44%) Maven
9 21 (1.32%) GitLab
10 16 (1.00%) JUnit
11 14 (0.88%) GCC
12 10 (0.63%) Atlassian Bamboo
12 10 (0.63%) Mockito
12 10 (0.63%) Rational DOORS
12 10 (0.63%) Team Foundation Server
13 8 (0.50%) Bitbucket
13 8 (0.50%) Cucumber
14 7 (0.44%) CMake
14 7 (0.44%) LabVIEW
15 6 (0.38%) Ant
General
1 288 (18.08%) Finance
2 156 (9.79%) Electronics
3 89 (5.59%) Manufacturing
4 70 (4.39%) Telecoms
5 51 (3.20%) Banking
6 48 (3.01%) Public Sector
7 47 (2.95%) Automotive
8 41 (2.57%) Marketing
9 35 (2.20%) Aerospace
10 32 (2.01%) Games
11 23 (1.44%) Military
11 23 (1.44%) Police
12 22 (1.38%) Advertising
12 22 (1.38%) Law
13 21 (1.32%) Retail
14 16 (1.00%) Legal
15 11 (0.69%) Local Government
16 7 (0.44%) Back Office
17 6 (0.38%) Front Office
17 6 (0.38%) Publishing
Job Titles
1 355 (22.28%) Software Engineer
2 250 (15.69%) Developer
3 213 (13.37%) Embedded Engineer
4 171 (10.73%) Embedded Software Engineer
5 110 (6.91%) Architect
6 97 (6.09%) Senior Software Engineer
7 84 (5.27%) C++ Software Engineer
8 74 (4.65%) Consultant
9 62 (3.89%) C Software Engineer
10 58 (3.64%) Analyst
10 58 (3.64%) Senior Developer
11 51 (3.20%) C/C++ Software Engineer
12 49 (3.08%) Lead Developer
12 49 (3.08%) Python Developer
13 47 (2.95%) Linux Engineer
14 46 (2.89%) Embedded C Engineer
15 44 (2.76%) Solutions Architect
16 41 (2.57%) Embedded C++ Engineer
17 40 (2.51%) Design Engineer
18 39 (2.45%) Development Manager
Libraries, Frameworks & Software Standards
1 114 (7.16%) HTML
2 106 (6.65%) .NET
3 103 (6.47%) Web Services
4 64 (4.02%) CSS
5 52 (3.26%) Node.js
6 46 (2.89%) HTML5
7 45 (2.82%) React
8 43 (2.70%) RESTful
9 37 (2.32%) Spring
10 34 (2.13%) .NET Framework
10 34 (2.13%) REST
11 33 (2.07%) JSON
11 33 (2.07%) Kafka
12 27 (1.69%) AngularJS
13 23 (1.44%) J2EE
13 23 (1.44%) XML
14 20 (1.26%) Spring Boot
14 20 (1.26%) WPF
15 19 (1.19%) jQuery
16 18 (1.13%) TensorFlow
Miscellaneous
1 141 (8.85%) Algorithms
2 107 (6.72%) Analytical Skills
3 77 (4.83%) Embedded Systems
4 71 (4.46%) Greenfield Project
5 57 (3.58%) Hedge funds
6 56 (3.52%) Management Information System
7 54 (3.39%) Mobile App
8 50 (3.14%) Data Structures
8 50 (3.14%) Field-Programmable Gate Array
8 50 (3.14%) User Experience
9 42 (2.64%) Self-Motivation
10 41 (2.57%) Derivative
11 39 (2.45%) Credit Derivative
11 39 (2.45%) Fixed Income
11 39 (2.45%) Internet of Things
12 34 (2.13%) Enterprise Software
13 27 (1.69%) VHDL
14 26 (1.63%) Device Driver
15 21 (1.32%) Verilog
16 20 (1.26%) Data Centre
Operating Systems
1 407 (25.55%) Linux
2 138 (8.66%) Windows
3 72 (4.52%) Unix
4 54 (3.39%) Android
5 47 (2.95%) CentOS
6 27 (1.69%) Red Hat Enterprise Linux
7 23 (1.44%) Apple iOS
8 22 (1.38%) Embedded Linux
9 21 (1.32%) Windows 10
9 21 (1.32%) Windows Server
10 16 (1.00%) Ubuntu
10 16 (1.00%) Windows 7
11 13 (0.82%) Debian
12 9 (0.56%) Amazon Linux
12 9 (0.56%) VxWorks
13 7 (0.44%) Mac OS
13 7 (0.44%) Windows Server 2003
13 7 (0.44%) Windows Server 2012
13 7 (0.44%) Windows Server 2016
13 7 (0.44%) Windows XP
Processes & Methodologies
1 462 (29.00%) Software Engineering
2 402 (25.24%) Agile Software Development
3 187 (11.74%) Scrum
4 177 (11.11%) Computer Science
5 155 (9.73%) Test Automation
6 146 (9.17%) Problem-Solving
7 133 (8.35%) Cybersecurity
8 127 (7.97%) DevOps
9 122 (7.66%) Project Management
10 115 (7.22%) Mathematics
11 113 (7.09%) Open Source
12 101 (6.34%) Continuous Integration
13 97 (6.09%) Analytics
14 93 (5.84%) Validation
15 89 (5.59%) TDD
16 88 (5.52%) OO
17 84 (5.27%) Mentoring
18 81 (5.08%) Stakeholder Management
19 80 (5.02%) Continuous Improvement
20 77 (4.83%) Machine Learning
Programming Languages
1 679 (42.62%) C++
2 474 (29.76%) Python
3 365 (22.91%) Java
4 192 (12.05%) SQL
5 188 (11.80%) C#
6 174 (10.92%) JavaScript
7 148 (9.29%) Embedded C
8 76 (4.77%) Go
9 70 (4.39%) R
10 64 (4.02%) Embedded C++
11 59 (3.70%) MATLAB
12 55 (3.45%) PHP
13 47 (2.95%) Bash Shell
14 36 (2.26%) Java 8
15 35 (2.20%) Perl
16 34 (2.13%) PowerShell
17 22 (1.38%) Ruby
18 21 (1.32%) Kotlin
19 18 (1.13%) Assembly Language
19 18 (1.13%) Shell Script
Qualifications
1 333 (20.90%) Degree
2 214 (13.43%) Security Cleared
3 141 (8.85%) DV Cleared
4 108 (6.78%) SC Cleared
5 56 (3.52%) Computer Science Degree
5 56 (3.52%) PhD
6 21 (1.32%) CISSP
7 19 (1.19%) CISM
8 17 (1.07%) Master's Degree
9 13 (0.82%) BPSS Clearance
10 11 (0.69%) Cisco Certification
11 9 (0.56%) TOGAF Certification
12 8 (0.50%) CSSLP
13 7 (0.44%) (ISC)2 CCSP
13 7 (0.44%) HND
13 7 (0.44%) ITIL Certification
13 7 (0.44%) Microsoft Certification
14 6 (0.38%) CCNA
15 5 (0.31%) A+ Certification
15 5 (0.31%) CCSP
Quality Assurance & Compliance
1 71 (4.46%) QA
2 24 (1.51%) MISRA
3 22 (1.38%) GDPR
4 19 (1.19%) ISO/IEC 27001
5 17 (1.07%) SLA
6 12 (0.75%) ISO 26262
7 11 (0.69%) ISO 13485
8 10 (0.63%) NIST
9 9 (0.56%) ISO 9001
10 8 (0.50%) PMO
11 7 (0.44%) IEC 61508
12 5 (0.31%) DO-178B
12 5 (0.31%) JTAG
12 5 (0.31%) MISRA C
13 3 (0.19%) Def Stans
14 2 (0.13%) HAZOP
14 2 (0.13%) ISO 9000
15 1 (0.063%) JSP 440
15 1 (0.063%) PCI DSS
15 1 (0.063%) Sarbanes-Oxley
System Software
1 102 (6.40%) Docker
2 99 (6.21%) Firmware
3 42 (2.64%) Active Directory
4 39 (2.45%) VMware Infrastructure
5 8 (0.50%) Hyper-V
5 8 (0.50%) vSphere
6 7 (0.44%) VMware ESXi
7 6 (0.38%) Ceph
7 6 (0.38%) KVM
7 6 (0.38%) LXC
7 6 (0.38%) Virtual Machines
7 6 (0.38%) Xen
8 5 (0.31%) oVirt
8 5 (0.31%) Slurm Workload Manager
9 3 (0.19%) Kamailio
9 3 (0.19%) OpenSIPS
9 3 (0.19%) Virtual Desktop
10 2 (0.13%) iptables
10 2 (0.13%) Snort
10 2 (0.13%) Virtual Servers
Systems Management
1 66 (4.14%) Kubernetes
2 65 (4.08%) Ansible
3 48 (3.01%) Terraform
4 26 (1.63%) Puppet
5 17 (1.07%) Opscode Chef
6 12 (0.75%) SCOM
7 10 (0.63%) SCCM
8 6 (0.38%) Graylog
8 6 (0.38%) Kibana
8 6 (0.38%) Proxmox
9 5 (0.31%) Microsoft Intune
9 5 (0.31%) Nagios
9 5 (0.31%) Observium
9 5 (0.31%) QRadar
9 5 (0.31%) Red Hat Spacewalk
9 5 (0.31%) SELinux
9 5 (0.31%) vCenter Server
9 5 (0.31%) ZABBIX
10 4 (0.25%) Computer Emergency Response Teams
10 4 (0.25%) Hadoop YARN
Vendors
1 135 (8.47%) Microsoft
2 82 (5.15%) Google
3 64 (4.02%) Oracle
3 64 (4.02%) SAP
3 64 (4.02%) VMware
4 35 (2.20%) Atlassian
5 32 (2.01%) Cisco
5 32 (2.01%) Red Hat
6 16 (1.00%) Dell
7 15 (0.94%) hybris
7 15 (0.94%) Xilinx
8 14 (0.88%) Guidewire
9 13 (0.82%) Salesforce.com
10 12 (0.75%) EMC
10 12 (0.75%) Sybase
11 11 (0.69%) Apple
11 11 (0.69%) Klocwork
11 11 (0.69%) Xamarin
12 10 (0.63%) IBM
13 9 (0.56%) NetApp