Period
to 25 June 2021

The following table provides summary statistics for permanent job vacancies advertised in England 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 25 June 2021 with a comparison to the same period in the previous 2 years.

C
UK > England
6 months to
25 Jun 2021
Same period 2020 Same period 2019
Rank 120 109 84
Rank change year-on-year -11 -25 +10
Permanent jobs citing C 2,658 2,149 4,704
As % of all permanent jobs advertised in England 2.84% 2.91% 3.53%
As % of the Programming Languages category 5.08% 5.25% 6.51%
Number of salaries quoted 1,530 1,714 3,277
10th Percentile £33,750 £33,750 £29,450
25th Percentile £42,500 £40,000 £37,500
Median annual salary (50th Percentile) £55,000 £52,500 £50,000
Median % change year-on-year +4.76% +5.00% -
75th Percentile £72,500 £67,500 £63,000
90th Percentile £85,000 £85,000 £78,750
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

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 advertised in England with a requirement for coding skills.

All Programming Languages
England
Permanent vacancies with a requirement for coding skills 52,297 40,943 72,255
As % of all permanent IT jobs advertised in England 55.78% 55.49% 54.15%
Number of salaries quoted 37,236 34,429 60,080
10th Percentile £35,000 £32,500 £31,250
25th Percentile £42,500 £41,875 £38,750
Median annual salary (50th Percentile) £57,500 £55,000 £52,500
Median % change year-on-year +4.55% +4.76% +5.00%
75th Percentile £77,500 £75,000 £71,250
90th Percentile £93,750 £91,250 £86,250
UK median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

C
Job Vacancy Trend in England

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

Job vacancy trend for C in England

C
Salary Trend in England

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

Salary trend for C in England

C
Salary Histogram in England

Salary distribution for jobs citing C in England over the 6 months to 25 June 2021.

Salary histogram for C in England

C
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing C within the England region over the 6 months to 25 June 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +42 938 £60,000 -7.69% 218
South East -42 444 £55,000 +4.76% 169
South West -30 382 £52,500 +14.13% 124
North of England -6 353 £55,000 +10.00% 193
Midlands +27 274 £47,500 -2.56% 108
East of England +6 220 £51,000 -7.27% 130
North West -29 176 £50,000 - 87
West Midlands -10 167 £43,500 -13.00% 67
Yorkshire +15 154 £65,000 +30.00% 68
East Midlands +45 107 £50,000 +5.26% 41
North East +5 23 £31,500 -27.17% 38
C
UK

For the 6 months to 25 June 2021, 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 across the England region with a requirement for C.

1 1,135 (42.70%) C++
2 859 (32.32%) Software Engineering
3 816 (30.70%) Social Skills
4 780 (29.35%) Python
5 748 (28.14%) Agile Software Development
6 644 (24.23%) Linux
7 614 (23.10%) Degree
8 557 (20.96%) Java
9 488 (18.36%) Problem-Solving
10 437 (16.44%) Computer Science
11 415 (15.61%) Finance
12 403 (15.16%) SQL
13 377 (14.18%) C#
14 366 (13.77%) Mathematics
15 339 (12.75%) Security Cleared
16 292 (10.99%) DevOps
17 283 (10.65%) AWS
18 278 (10.46%) Windows
19 271 (10.20%) JavaScript
20 269 (10.12%) Analytical Skills
21 264 (9.93%) Continuous Integration
22 261 (9.82%) QA
23 253 (9.52%) Analytics
24 250 (9.41%) Docker
25 249 (9.37%) Test Automation
26 241 (9.07%) Scrum
27 228 (8.58%) Software Testing
28 224 (8.43%) SC Cleared
28 224 (8.43%) Microsoft
29 221 (8.31%) Algorithms

C
Co-occurring IT Skills in England 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 91 (3.42%) Confluence
2 41 (1.54%) SAS
3 35 (1.32%) Apache Spark
4 28 (1.05%) Tomcat
5 24 (0.90%) IIS
5 24 (0.90%) SharePoint
6 23 (0.87%) Apache
6 23 (0.87%) Elasticsearch
7 21 (0.79%) MS Exchange
8 14 (0.53%) nginx
8 14 (0.53%) Tornado
9 13 (0.49%) ejabberd
9 13 (0.49%) Oracle SOA Suite
10 11 (0.41%) WebSphere
11 10 (0.38%) JBoss
11 10 (0.38%) OpenStack
12 9 (0.34%) CMS
12 9 (0.34%) Jupyter
13 8 (0.30%) WordPress
14 7 (0.26%) Apache Pig
Applications
1 73 (2.75%) Microsoft Office
2 55 (2.07%) Simulink
3 36 (1.35%) Microsoft Excel
4 16 (0.60%) Microsoft PowerPoint
5 15 (0.56%) AutoCAD
6 10 (0.38%) SPSS
7 6 (0.23%) Gephi
8 5 (0.19%) Microsoft Project
9 4 (0.15%) Chatbot
10 3 (0.11%) Figma
11 2 (0.075%) OrCAD
11 2 (0.075%) Photoshop
12 1 (0.038%) Adobe Illustrator
12 1 (0.038%) GIMP
12 1 (0.038%) Inkscape
12 1 (0.038%) MODO
12 1 (0.038%) MS Visio
12 1 (0.038%) Quicktime
Business Applications
1 18 (0.68%) Dynamics NAV
2 13 (0.49%) Sparx Enterprise Architect
3 9 (0.34%) Summit
4 5 (0.19%) Dynamics AX
5 4 (0.15%) Oracle Applications
5 4 (0.15%) Oracle EBS
6 3 (0.11%) Oracle ERP
6 3 (0.11%) SAP Oil and Gas
6 3 (0.11%) SAP S/4HANA
7 2 (0.075%) Cerner Millennium
7 2 (0.075%) Dynamics CRM
7 2 (0.075%) Dynamics GP
7 2 (0.075%) Magento
7 2 (0.075%) NetSuite
7 2 (0.075%) Oracle Payroll
7 2 (0.075%) Oracle Procure-to-Pay
7 2 (0.075%) SAP CO
7 2 (0.075%) SAP FI/CO
7 2 (0.075%) SAP R/3
7 2 (0.075%) Sentinel
Cloud Services
1 283 (10.65%) AWS
2 207 (7.79%) Azure
3 155 (5.83%) GCP
4 96 (3.61%) SaaS
5 57 (2.14%) Power Platform
6 54 (2.03%) Microsoft 365
7 51 (1.92%) GitHub
8 36 (1.35%) PaaS
9 34 (1.28%) Cloud Computing
10 30 (1.13%) Serverless
11 21 (0.79%) PowerApps
12 19 (0.71%) AWS CloudFormation
12 19 (0.71%) Azure Machine Learning
13 18 (0.68%) AWS Lambda
14 17 (0.64%) Amazon EKS
14 17 (0.64%) IaaS
14 17 (0.64%) OpenShift
15 14 (0.53%) Amazon S3
16 12 (0.45%) Dynamics 365
16 12 (0.45%) Snowflake
Communications & Networking
1 142 (5.34%) Wireless
2 140 (5.27%) TCP/IP
3 123 (4.63%) Wi-Fi
4 118 (4.44%) Ethernet
5 103 (3.88%) HTTP
6 99 (3.72%) Firewall
7 88 (3.31%) Broadband
8 85 (3.20%) Internet
9 77 (2.90%) Wireshark
10 58 (2.18%) MQTT
11 46 (1.73%) Bluetooth
11 46 (1.73%) Modbus
12 44 (1.66%) VPN
13 43 (1.62%) 802.11
13 43 (1.62%) HTTPS
14 42 (1.58%) DVB
15 38 (1.43%) RS-422
16 37 (1.39%) MIMO
16 37 (1.39%) STUN
17 36 (1.35%) LAN
Database & Business Intelligence
1 145 (5.46%) PostgreSQL
2 129 (4.85%) Big Data
3 113 (4.25%) NoSQL
4 67 (2.52%) SQL Server
5 64 (2.41%) Relational Database
6 59 (2.22%) MySQL
7 50 (1.88%) Redis
8 45 (1.69%) MongoDB
9 37 (1.39%) Power BI
10 29 (1.09%) Data Warehouse
11 27 (1.02%) Tableau
12 23 (0.87%) SQL Server Integration Services
13 20 (0.75%) Hadoop
14 18 (0.68%) Data Mining
14 18 (0.68%) RDBMS
14 18 (0.68%) SQL Server Reporting Services
15 17 (0.64%) GIS
16 16 (0.60%) Neo4j
17 15 (0.56%) Amazon Redshift
17 15 (0.56%) Apache Cassandra
Development Applications
1 176 (6.62%) Git (software)
2 172 (6.47%) JIRA
3 131 (4.93%) Jenkins
4 96 (3.61%) GitLab
5 51 (1.92%) Subversion
6 49 (1.84%) GCC
7 47 (1.77%) Eclipse
8 40 (1.50%) Rational DOORS
9 39 (1.47%) Visual Studio
10 37 (1.39%) Cucumber
11 31 (1.17%) Selenium
12 30 (1.13%) TeamCity
13 28 (1.05%) Maven
14 27 (1.02%) Octopus Deploy
15 24 (0.90%) Bitbucket
15 24 (0.90%) Rational Rhapsody
16 21 (0.79%) IDA Disassembler
16 21 (0.79%) Rational Team Concert
17 18 (0.68%) GDB
17 18 (0.68%) JMeter
General
1 816 (30.70%) Social Skills
2 415 (15.61%) Finance
3 269 (10.12%) Analytical Skills
4 220 (8.28%) Electronics
5 135 (5.08%) Games
6 134 (5.04%) Manufacturing
7 131 (4.93%) Marketing
8 122 (4.59%) Telecoms
9 118 (4.44%) Legal
10 106 (3.99%) Public Sector
11 104 (3.91%) Law
12 98 (3.69%) Banking
13 94 (3.54%) Retail
14 66 (2.48%) Organisational Skills
15 58 (2.18%) Automotive
16 57 (2.14%) Aerospace
17 46 (1.73%) Presentation Skills
18 35 (1.32%) Military
19 29 (1.09%) Local Government
20 26 (0.98%) Pharmaceutical
Job Titles
1 571 (21.48%) Software Engineer
2 412 (15.50%) Developer
3 267 (10.05%) Embedded Engineer
4 191 (7.19%) Embedded Software Engineer
5 137 (5.15%) Architect
6 132 (4.97%) Consultant
7 126 (4.74%) Senior Software Engineer
8 117 (4.40%) Analyst
9 115 (4.33%) Software Developer
10 94 (3.54%) C++ Software Engineer
11 73 (2.75%) Linux Engineer
12 70 (2.63%) C Software Engineer
12 70 (2.63%) IT Support
13 68 (2.56%) Systems Engineer
14 67 (2.52%) Wireless Engineer
15 63 (2.37%) Junior
16 59 (2.22%) C/C++ Software Engineer
17 57 (2.14%) Senior Developer
18 56 (2.11%) C++ Developer
19 53 (1.99%) Embedded Developer
Libraries, Frameworks & Software Standards
1 169 (6.36%) .NET
2 138 (5.19%) HTML
3 108 (4.06%) REST
4 106 (3.99%) React
5 104 (3.91%) CSS
6 98 (3.69%) Kafka
7 97 (3.65%) Node.js
8 79 (2.97%) RESTful
9 64 (2.41%) AngularJS
9 64 (2.41%) Spring
10 59 (2.22%) CGI
11 57 (2.14%) .NET Core
11 57 (2.14%) 802.1X
12 56 (2.11%) Web Services
13 54 (2.03%) Middleware
14 50 (1.88%) XMPP
15 41 (1.54%) HTML5
16 39 (1.47%) gRPC
17 37 (1.39%) Apache NiFi
17 37 (1.39%) Django
Miscellaneous
1 221 (8.31%) Algorithms
2 200 (7.52%) Self-Motivation
3 121 (4.55%) Management Information System
4 98 (3.69%) Embedded Systems
5 86 (3.24%) User Experience
6 85 (3.20%) Field-Programmable Gate Array
7 76 (2.86%) Data Structures
8 64 (2.41%) Data Centre
9 58 (2.18%) Cyberattack
10 55 (2.07%) Robotics
11 49 (1.84%) Virtual Team
12 46 (1.73%) Driving Licence
13 45 (1.69%) Device Driver
13 45 (1.69%) Greenfield Project
14 41 (1.54%) Public Cloud
15 39 (1.47%) Renewable Energy
16 31 (1.17%) Internet of Things
17 30 (1.13%) Enterprise Software
18 28 (1.05%) VHDL
19 27 (1.02%) Mobile App
Operating Systems
1 644 (24.23%) Linux
2 278 (10.46%) Windows
3 136 (5.12%) Android
3 136 (5.12%) Unix
4 88 (3.31%) Embedded Linux
5 79 (2.97%) Apple iOS
6 52 (1.96%) Red Hat Enterprise Linux
7 51 (1.92%) CentOS
8 26 (0.98%) Debian
9 23 (0.87%) Windows Server
10 19 (0.71%) Mac OS X
11 16 (0.60%) Windows 10
12 14 (0.53%) Windows Server 2008
12 14 (0.53%) Windows Server 2012
13 9 (0.34%) FreeRTOS
13 9 (0.34%) Windows Server 2016
14 8 (0.30%) AIX
14 8 (0.30%) HPUX
14 8 (0.30%) Kali Linux
14 8 (0.30%) VxWorks
Processes & Methodologies
1 859 (32.32%) Software Engineering
2 748 (28.14%) Agile Software Development
3 488 (18.36%) Problem-Solving
4 437 (16.44%) Computer Science
5 366 (13.77%) Mathematics
6 292 (10.99%) DevOps
7 264 (9.93%) Continuous Integration
8 253 (9.52%) Analytics
9 249 (9.37%) Test Automation
10 241 (9.07%) Scrum
11 228 (8.58%) Software Testing
12 213 (8.01%) Mentoring
13 195 (7.34%) Artificial Intelligence
14 192 (7.22%) TDD
15 185 (6.96%) Microservices
16 178 (6.70%) Open Source
17 176 (6.62%) Data Science
18 169 (6.36%) Cybersecurity
19 161 (6.06%) SDLC
20 156 (5.87%) Project Management
Programming Languages
1 1,135 (42.70%) C++
2 780 (29.35%) Python
3 557 (20.96%) Java
4 403 (15.16%) SQL
5 377 (14.18%) C#
6 271 (10.20%) JavaScript
7 159 (5.98%) Embedded C
8 140 (5.27%) Go
9 109 (4.10%) Bash Shell
10 108 (4.06%) MATLAB
11 96 (3.61%) Embedded C++
12 93 (3.50%) TypeScript
13 84 (3.16%) R
14 71 (2.67%) Ruby
15 69 (2.60%) PHP
16 68 (2.56%) Perl
17 55 (2.07%) PowerShell
18 41 (1.54%) Scala
19 34 (1.28%) Objective-C
19 34 (1.28%) VB
Qualifications
1 614 (23.10%) Degree
2 339 (12.75%) Security Cleared
3 224 (8.43%) SC Cleared
4 178 (6.70%) DV Cleared
5 145 (5.46%) Computer Science Degree
6 88 (3.31%) PhD
7 39 (1.47%) Cisco Certification
7 39 (1.47%) Master's Degree
8 34 (1.28%) CISSP
9 21 (0.79%) HNC
10 20 (0.75%) CCNA
11 18 (0.68%) CISM
12 17 (0.64%) CEH
12 17 (0.64%) Microsoft Certification
13 13 (0.49%) CompTIA Security+
14 12 (0.45%) SANS
15 11 (0.41%) CCNP
15 11 (0.41%) Network+ Certification
16 10 (0.38%) HND
16 10 (0.38%) PMI Certification
Quality Assurance & Compliance
1 261 (9.82%) QA
2 98 (3.69%) MISRA
3 43 (1.62%) MISRA C
4 34 (1.28%) Def Stans
5 33 (1.24%) SLA
6 31 (1.17%) ECSS
6 31 (1.17%) GDPR
7 20 (0.75%) PMO
8 16 (0.60%) ISO/IEC 27001
8 16 (0.60%) PSD2
9 12 (0.45%) IEC 61508
9 12 (0.45%) ISO 9001
9 12 (0.45%) PCI DSS
10 11 (0.41%) IEC 62304
11 9 (0.34%) Accessibility
11 9 (0.34%) Data Quality
11 9 (0.34%) NIST
12 8 (0.30%) ISO 26262
13 7 (0.26%) Cyber Essentials
13 7 (0.26%) DO-178B
System Software
1 250 (9.41%) Docker
2 196 (7.37%) Firmware
3 65 (2.45%) VMware Infrastructure
4 47 (1.77%) Active Directory
5 20 (0.75%) VirtualBox
6 17 (0.64%) Kamailio
7 13 (0.49%) iptables
7 13 (0.49%) KVM
7 13 (0.49%) Postfix
7 13 (0.49%) QEMU
8 10 (0.38%) Hyper-V
9 9 (0.34%) VMware ESXi
10 8 (0.30%) Snort
10 8 (0.30%) Squid
11 6 (0.23%) Apache Flume
11 6 (0.23%) vSphere
12 5 (0.19%) Virtual Machines
13 4 (0.15%) OpenSIPS
13 4 (0.15%) Terminal Services
14 3 (0.11%) NFS
Systems Management
1 158 (5.94%) Kubernetes
2 153 (5.76%) Ansible
3 64 (2.41%) Terraform
4 52 (1.96%) Puppet
5 51 (1.92%) Kibana
6 37 (1.39%) Graylog
7 25 (0.94%) Opscode Chef
8 20 (0.75%) Prometheus
9 17 (0.64%) ZABBIX
10 15 (0.56%) SCCM
11 13 (0.49%) Galera Cluster
11 13 (0.49%) HAProxy
12 12 (0.45%) vCenter Server
13 11 (0.41%) Nagios
14 9 (0.34%) Nessus
15 8 (0.30%) FlexNet
15 8 (0.30%) HP Quality Center
15 8 (0.30%) Nexpose
15 8 (0.30%) Suricata
16 7 (0.26%) QRadar
Vendors
1 224 (8.43%) Microsoft
2 127 (4.78%) Google
3 105 (3.95%) Oracle
4 75 (2.82%) VMware
5 56 (2.11%) Cisco
6 54 (2.03%) Instagram
7 46 (1.73%) IBM
8 45 (1.69%) Red Hat
8 45 (1.69%) Splunk
9 40 (1.50%) SAP
10 36 (1.35%) HP
11 30 (1.13%) Samsung
12 29 (1.09%) Atlassian
12 29 (1.09%) Databricks
13 26 (0.98%) EMC
14 25 (0.94%) Juniper
15 23 (0.87%) Palo Alto
16 22 (0.83%) Apple
17 21 (0.79%) Klocwork
17 21 (0.79%) Yahoo!