Period
to 12 April 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 12 April 2021 with a comparison to the same period in the previous 2 years.

C
UK > England
6 months to
12 Apr 2021
Same period 2020 Same period 2019
Rank 112 97 89
Rank change year-on-year -15 -8 +9
Permanent jobs citing C 2,103 3,268 4,742
As % of all permanent jobs advertised in England 2.86% 3.12% 3.44%
As % of the Programming Languages category 5.15% 5.73% 6.29%
Number of salaries quoted 1,448 2,617 3,437
10th Percentile £36,688 £32,500 £28,750
25th Percentile £42,500 £38,750 £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 £65,000 £65,000
90th Percentile £85,000 £82,500 £85,000
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 40,867 56,984 75,379
As % of all permanent IT jobs advertised in England 55.58% 54.42% 54.62%
Number of salaries quoted 33,563 47,908 63,095
10th Percentile £34,000 £32,500 £31,250
25th Percentile £42,500 £41,250 £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 £75,000 £73,750 £71,250
90th Percentile £92,500 £90,000 £85,000
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 12 April 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 12 April 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 +23 689 £65,000 +8.33% 164
South East -42 387 £55,000 +4.76% 199
South West -23 337 £52,500 +16.67% 110
North of England +18 267 £55,000 +10.00% 163
Midlands +21 227 £47,500 -5.00% 126
East of England -4 159 £50,000 - 107
Yorkshire +41 128 £65,000 +18.18% 69
North West -11 124 £50,000 - 76
West Midlands -15 116 £45,000 -10.00% 76
East Midlands +78 111 £50,000 +5.26% 49
North East +26 15 £45,000 +4.05% 18
C
UK

For the 6 months to 12 April 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.

1 911 (43.32%) C++
2 612 (29.10%) Software Engineering
3 581 (27.63%) Python
4 540 (25.68%) Agile Software Development
5 482 (22.92%) Linux
6 437 (20.78%) Java
7 405 (19.26%) Degree
8 327 (15.55%) Security Cleared
9 317 (15.07%) Problem-Solving
10 310 (14.74%) SQL
11 297 (14.12%) C#
12 296 (14.08%) Finance
13 251 (11.94%) Mathematics
14 236 (11.22%) Computer Science
15 230 (10.94%) Analytics
16 228 (10.84%) SC Cleared
17 222 (10.56%) Test Automation
18 221 (10.51%) QA
19 213 (10.13%) DevOps
20 208 (9.89%) Windows
21 206 (9.80%) Scrum
22 203 (9.65%) Microsoft
23 186 (8.84%) Electronics
24 183 (8.70%) AWS
24 183 (8.70%) DV Cleared
25 182 (8.65%) Software Testing
26 177 (8.42%) JavaScript
26 177 (8.42%) Analytical Skills
27 176 (8.37%) Continuous Integration
28 166 (7.89%) Azure

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 63 (3.00%) Confluence
2 44 (2.09%) SAS
3 35 (1.66%) Apache Spark
4 22 (1.05%) Tomcat
5 21 (1.00%) Apache
5 21 (1.00%) Elasticsearch
6 20 (0.95%) MS Exchange
7 16 (0.76%) SharePoint
8 13 (0.62%) IIS
9 11 (0.52%) ejabberd
9 11 (0.52%) Jupyter
9 11 (0.52%) nginx
10 9 (0.43%) OpenStack
11 8 (0.38%) Apache Pig
11 8 (0.38%) ArcGIS
11 8 (0.38%) WordPress
12 4 (0.19%) Apache Airflow
12 4 (0.19%) CMS
12 4 (0.19%) OpenROAD
13 3 (0.14%) Oracle SOA Suite
Applications
1 66 (3.14%) Microsoft Office
2 36 (1.71%) Simulink
3 28 (1.33%) Microsoft Excel
4 16 (0.76%) AutoCAD
5 13 (0.62%) Microsoft PowerPoint
5 13 (0.62%) SPSS
6 6 (0.29%) Gephi
7 5 (0.24%) Microsoft Project
8 2 (0.095%) Adobe XD
8 2 (0.095%) Figma
8 2 (0.095%) Photoshop
8 2 (0.095%) Sketch
9 1 (0.048%) Adobe Creative Suite
9 1 (0.048%) Adobe Illustrator
9 1 (0.048%) InVision
9 1 (0.048%) Marvel
9 1 (0.048%) MODO
9 1 (0.048%) MS Visio
9 1 (0.048%) Quicktime
9 1 (0.048%) Spreadsheet
Business Applications
1 17 (0.81%) Dynamics NAV
2 14 (0.67%) Summit
3 13 (0.62%) Sparx Enterprise Architect
4 5 (0.24%) Dynamics AX
4 5 (0.24%) Dynamics CRM
5 3 (0.14%) SAP Oil and Gas
6 2 (0.095%) Cerner Millennium
6 2 (0.095%) Dynamics GP
6 2 (0.095%) Sentinel
7 1 (0.048%) HFM
7 1 (0.048%) Hyperion Planning
7 1 (0.048%) NetSuite
7 1 (0.048%) Primavera
7 1 (0.048%) SAP ERP
7 1 (0.048%) SAP IBP
7 1 (0.048%) SAP S/4HANA
Cloud Services
1 183 (8.70%) AWS
2 166 (7.89%) Azure
3 72 (3.42%) GCP
4 61 (2.90%) Power Platform
5 57 (2.71%) Microsoft 365
6 55 (2.62%) SaaS
7 32 (1.52%) GitHub
8 22 (1.05%) Cloud Computing
9 21 (1.00%) PaaS
10 20 (0.95%) PowerApps
11 19 (0.90%) AWS CloudFormation
11 19 (0.90%) Azure Machine Learning
11 19 (0.90%) Serverless
12 17 (0.81%) AWS Lambda
13 14 (0.67%) Amazon EC2
14 13 (0.62%) Trello
15 12 (0.57%) Dynamics 365
16 10 (0.48%) Amazon CloudWatch
17 9 (0.43%) Google Data Studio
18 8 (0.38%) Amazon ECS
Communications & Networking
1 126 (5.99%) Wireless
2 100 (4.76%) Wi-Fi
3 99 (4.71%) TCP/IP
4 89 (4.23%) Ethernet
5 78 (3.71%) Internet
6 74 (3.52%) Firewall
7 64 (3.04%) Wireshark
8 61 (2.90%) Broadband
9 56 (2.66%) HTTP
10 44 (2.09%) Bluetooth
11 43 (2.04%) MQTT
12 41 (1.95%) HTTPS
13 39 (1.85%) 802.11
14 36 (1.71%) STUN
15 34 (1.62%) VPN
16 28 (1.33%) MIMO
17 26 (1.24%) DVB
17 26 (1.24%) Software-Defined Radio
18 25 (1.19%) BGP
19 22 (1.05%) LAN
Database & Business Intelligence
1 121 (5.75%) Big Data
2 70 (3.33%) PostgreSQL
3 64 (3.04%) SQL Server
4 56 (2.66%) NoSQL
5 42 (2.00%) MySQL
6 41 (1.95%) Power BI
7 39 (1.85%) Tableau
8 37 (1.76%) Redis
9 27 (1.28%) Data Warehouse
9 27 (1.28%) Relational Database
10 23 (1.09%) GIS
11 22 (1.05%) Hadoop
12 21 (1.00%) MongoDB
12 21 (1.00%) QlikView
13 20 (0.95%) Apache Cassandra
14 18 (0.86%) Data Mining
15 16 (0.76%) Neo4j
16 15 (0.71%) Blockchain
16 15 (0.71%) SQL Server Integration Services
17 13 (0.62%) SQL Server Reporting Services
Development Applications
1 144 (6.85%) JIRA
2 120 (5.71%) Git (software)
3 84 (3.99%) Jenkins
4 49 (2.33%) Subversion
5 48 (2.28%) Visual Studio
6 44 (2.09%) Eclipse
7 36 (1.71%) GitLab
8 25 (1.19%) Maven
9 22 (1.05%) Selenium
10 20 (0.95%) IDA Disassembler
11 18 (0.86%) GCC
12 17 (0.81%) Bitbucket
12 17 (0.81%) Cucumber
13 16 (0.76%) JUnit
13 16 (0.76%) Rational DOORS
14 13 (0.62%) TeamCity
15 12 (0.57%) Rational Team Concert
16 11 (0.52%) GDB
16 11 (0.52%) LabVIEW
17 9 (0.43%) Mockito
General
1 296 (14.08%) Finance
2 186 (8.84%) Electronics
3 116 (5.52%) Manufacturing
4 110 (5.23%) Public Sector
5 101 (4.80%) Telecoms
6 95 (4.52%) Marketing
7 75 (3.57%) Legal
8 73 (3.47%) Games
9 71 (3.38%) Banking
10 66 (3.14%) Law
11 55 (2.62%) Aerospace
12 46 (2.19%) Automotive
13 35 (1.66%) Local Government
14 32 (1.52%) Military
15 31 (1.47%) Retail
16 13 (0.62%) Advertising
17 8 (0.38%) Publishing
18 7 (0.33%) Back Office
18 7 (0.33%) Multimedia
18 7 (0.33%) Pharmaceutical
Job Titles
1 402 (19.12%) Software Engineer
2 326 (15.50%) Developer
3 211 (10.03%) Embedded Engineer
4 137 (6.51%) Embedded Software Engineer
5 127 (6.04%) Consultant
6 119 (5.66%) Architect
7 99 (4.71%) Analyst
8 94 (4.47%) Senior Software Engineer
9 86 (4.09%) C++ Software Engineer
10 74 (3.52%) Software Developer
11 72 (3.42%) C Software Engineer
12 63 (3.00%) IT Support
13 62 (2.95%) Systems Engineer
14 60 (2.85%) Linux Engineer
15 58 (2.76%) C/C++ Software Engineer
15 58 (2.76%) C++ Developer
15 58 (2.76%) Senior Developer
16 57 (2.71%) Wireless Engineer
17 52 (2.47%) Data Scientist
18 44 (2.09%) Solutions Architect
Libraries, Frameworks & Software Standards
1 104 (4.95%) .NET
1 104 (4.95%) HTML
2 75 (3.57%) CSS
3 68 (3.23%) Kafka
4 67 (3.19%) REST
5 60 (2.85%) Node.js
5 60 (2.85%) React
6 58 (2.76%) RESTful
7 51 (2.43%) Web Services
8 50 (2.38%) 802.1X
9 47 (2.23%) XMPP
10 43 (2.04%) AngularJS
11 38 (1.81%) Spring
12 30 (1.43%) HTML5
13 25 (1.19%) Vue.js
14 24 (1.14%) Apache NiFi
14 24 (1.14%) JSON
14 24 (1.14%) WPF
15 23 (1.09%) SOAP
15 23 (1.09%) Spring Boot
Miscellaneous
1 177 (8.42%) Analytical Skills
2 128 (6.09%) Algorithms
3 111 (5.28%) Management Information System
4 109 (5.18%) Self-Motivation
5 93 (4.42%) Embedded Systems
6 75 (3.57%) Field-Programmable Gate Array
7 61 (2.90%) User Experience
8 42 (2.00%) Robotics
9 40 (1.90%) Internet of Things
10 36 (1.71%) Driving Licence
11 35 (1.66%) Greenfield Project
12 32 (1.52%) Cyberattack
12 32 (1.52%) Data Centre
12 32 (1.52%) Mobile App
12 32 (1.52%) Virtual Team
13 30 (1.43%) Device Driver
14 29 (1.38%) Enterprise Software
14 29 (1.38%) VHDL
15 28 (1.33%) Data Structures
16 19 (0.90%) Hedge funds
Operating Systems
1 482 (22.92%) Linux
2 208 (9.89%) Windows
3 117 (5.56%) Android
4 85 (4.04%) Unix
5 65 (3.09%) Embedded Linux
6 58 (2.76%) Apple iOS
7 47 (2.23%) CentOS
8 41 (1.95%) Red Hat Enterprise Linux
9 22 (1.05%) Windows Server
10 20 (0.95%) Debian
11 18 (0.86%) Windows 10
12 14 (0.67%) Windows Server 2012
13 11 (0.52%) Windows Server 2008
14 10 (0.48%) Robot Operating System
15 6 (0.29%) Fedora
15 6 (0.29%) Windows 7
15 6 (0.29%) Windows Server 2016
16 5 (0.24%) Kali Linux
16 5 (0.24%) Mac OS
16 5 (0.24%) VMS
Processes & Methodologies
1 612 (29.10%) Software Engineering
2 540 (25.68%) Agile Software Development
3 317 (15.07%) Problem-Solving
4 251 (11.94%) Mathematics
5 236 (11.22%) Computer Science
6 230 (10.94%) Analytics
7 222 (10.56%) Test Automation
8 213 (10.13%) DevOps
9 206 (9.80%) Scrum
10 182 (8.65%) Software Testing
11 176 (8.37%) Continuous Integration
12 160 (7.61%) Cybersecurity
13 154 (7.32%) Data Science
14 151 (7.18%) Project Management
15 141 (6.70%) Open Source
16 137 (6.51%) Mentoring
17 129 (6.13%) Artificial Intelligence
18 119 (5.66%) Machine Learning
19 115 (5.47%) Validation
20 105 (4.99%) Continuous Improvement
Programming Languages
1 911 (43.32%) C++
2 581 (27.63%) Python
3 437 (20.78%) Java
4 310 (14.74%) SQL
5 297 (14.12%) C#
6 177 (8.42%) JavaScript
7 128 (6.09%) Embedded C
8 88 (4.18%) Go
9 79 (3.76%) Bash Shell
10 75 (3.57%) MATLAB
11 71 (3.38%) R
12 64 (3.04%) Embedded C++
12 64 (3.04%) PHP
13 62 (2.95%) Perl
14 46 (2.19%) TypeScript
15 32 (1.52%) PowerShell
15 32 (1.52%) Ruby
16 27 (1.28%) VB
17 24 (1.14%) Scala
18 22 (1.05%) T-SQL
Qualifications
1 405 (19.26%) Degree
2 327 (15.55%) Security Cleared
3 228 (10.84%) SC Cleared
4 183 (8.70%) DV Cleared
5 79 (3.76%) PhD
6 66 (3.14%) Computer Science Degree
7 30 (1.43%) Cisco Certification
8 28 (1.33%) CISSP
9 18 (0.86%) Microsoft Certification
10 15 (0.71%) CCNA
10 15 (0.71%) CISM
10 15 (0.71%) Master's Degree
11 13 (0.62%) CEH
11 13 (0.62%) Numerate Degree
12 12 (0.57%) BPSS Clearance
13 10 (0.48%) CompTIA Security+
13 10 (0.48%) GIAC
14 9 (0.43%) MCSE
15 8 (0.38%) CCNP
15 8 (0.38%) SSCP
Quality Assurance & Compliance
1 221 (10.51%) QA
2 55 (2.62%) MISRA
3 31 (1.47%) SLA
4 28 (1.33%) GDPR
5 20 (0.95%) Def Stans
6 14 (0.67%) PMO
7 13 (0.62%) MISRA C
8 12 (0.57%) ISO 26262
9 11 (0.52%) ISO 9001
10 10 (0.48%) ISO/IEC 27001
11 8 (0.38%) IEC 61508
11 8 (0.38%) PCI DSS
12 7 (0.33%) IEC 62304
12 7 (0.33%) NIST
13 6 (0.29%) GRC
14 5 (0.24%) ISO 13485
15 4 (0.19%) Data Quality
15 4 (0.19%) HMG Security Policy Framework
15 4 (0.19%) ISO/IEC 15288
15 4 (0.19%) NCSC
System Software
1 149 (7.09%) Docker
2 136 (6.47%) Firmware
3 50 (2.38%) VMware Infrastructure
4 40 (1.90%) Active Directory
5 19 (0.90%) VirtualBox
6 18 (0.86%) Kamailio
7 14 (0.67%) KVM
7 14 (0.67%) Postfix
8 13 (0.62%) VMware ESXi
9 11 (0.52%) iptables
9 11 (0.52%) QEMU
10 7 (0.33%) OpenSIPS
10 7 (0.33%) Snort
10 7 (0.33%) Virtual Machines
10 7 (0.33%) vSphere
11 6 (0.29%) Apache Flume
12 5 (0.24%) Samba
12 5 (0.24%) Squid
12 5 (0.24%) Xen
13 4 (0.19%) Terminal Services
Systems Management
1 111 (5.28%) Ansible
2 70 (3.33%) Kubernetes
3 49 (2.33%) Puppet
4 48 (2.28%) Kibana
5 45 (2.14%) Terraform
6 36 (1.71%) Graylog
7 21 (1.00%) Opscode Chef
8 18 (0.86%) ZABBIX
9 14 (0.67%) Nagios
10 13 (0.62%) vCenter Server
11 12 (0.57%) Prometheus
12 11 (0.52%) Galera Cluster
12 11 (0.52%) HAProxy
12 11 (0.52%) SELinux
13 8 (0.38%) FlexNet
14 6 (0.29%) Istio
14 6 (0.29%) Oozie
14 6 (0.29%) QRadar
14 6 (0.29%) Suricata
15 5 (0.24%) Grafana
Vendors
1 203 (9.65%) Microsoft
2 78 (3.71%) Google
3 62 (2.95%) VMware
4 51 (2.43%) Oracle
5 45 (2.14%) Cisco
6 40 (1.90%) SAP
7 35 (1.66%) Red Hat
8 34 (1.62%) Atlassian
9 30 (1.43%) Databricks
10 26 (1.24%) Klocwork
11 23 (1.09%) Splunk
12 22 (1.05%) Twitter
13 21 (1.00%) HP
14 20 (0.95%) Apple
14 20 (0.95%) Juniper
15 19 (0.90%) Palo Alto
16 16 (0.76%) IBM
16 16 (0.76%) Sparx
17 14 (0.67%) Guidewire
18 13 (0.62%) BiZZdesign