Period
to 22 September 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 22 September 2020 with a comparison to the same period in the previous 2 years.

C
UK
6 months to
22 Sep 2020
Same period 2019 Same period 2018
Rank 112 88 99
Rank change year-on-year -24 +11 +4
Permanent jobs citing C 1,379 4,660 5,362
As % of all permanent jobs advertised in the UK 2.77% 3.35% 3.22%
As % of the Programming Languages category 4.70% 6.27% 5.79%
Number of salaries quoted 1,202 3,467 4,146
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +5.26%
10th Percentile £35,000 £31,000 £31,000
90th Percentile £100,000 £77,500 £83,750
UK excluding London median annual salary £50,000 £47,500 £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 29,337 74,301 92,679
As % of all permanent IT jobs advertised in the UK 58.90% 53.41% 55.66%
Number of salaries quoted 24,577 60,703 77,053
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £33,750 £31,250 £31,000
90th Percentile £92,500 £85,000 £82,500
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 22 September 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 22 September 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 -32 1,231 £55,000 +10.00% 595
UK excluding London -17 922 £50,000 +5.26% 501
London -9 400 £75,000 +25.00% 129
South East -6 309 £53,500 +7.00% 128
South West -20 207 £50,000 - 84
North of England +9 157 £50,000 +11.11% 110
Work from Home -3 90 £57,500 +4.55% 73
North West -29 90 £48,750 +8.33% 53
East of England -20 82 £55,000 +10.00% 71
Scotland +57 64 £47,500 +18.75% 22
Yorkshire +80 62 £55,000 +18.92% 39
Midlands -37 62 £47,500 +5.56% 71
West Midlands -35 44 £45,000 -5.26% 56
Northern Ireland +13 25 £50,000 -21.57% 2
East Midlands -4 18 £47,500 +26.67% 15
Wales +6 15 £44,690 +11.72% 13
North East +17 5 £43,000 -4.44% 18
Isle of Man - 2 £50,750 -

For the 6 months to 22 September 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.

1 643 (46.63%) C++
2 469 (34.01%) Software Engineering
3 460 (33.36%) Python
4 359 (26.03%) Linux
5 347 (25.16%) Java
6 345 (25.02%) Agile Software Development
7 321 (23.28%) Degree
8 268 (19.43%) Finance
9 195 (14.14%) AWS
10 183 (13.27%) Computer Science
11 179 (12.98%) C#
12 175 (12.69%) JavaScript
13 165 (11.97%) Security Cleared
14 162 (11.75%) Scrum
15 159 (11.53%) Azure
16 156 (11.31%) SQL
17 146 (10.59%) Windows
18 144 (10.44%) Problem-Solving
19 131 (9.50%) Git (software)
20 128 (9.28%) Embedded C
20 128 (9.28%) DevOps
21 122 (8.85%) Electronics
22 118 (8.56%) DV Cleared
23 116 (8.41%) Microsoft
24 114 (8.27%) Cybersecurity
25 109 (7.90%) Docker
26 108 (7.83%) Algorithms
26 108 (7.83%) .NET
27 107 (7.76%) Mathematics
28 105 (7.61%) JIRA

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 56 (4.06%) Confluence
2 26 (1.89%) Apache
3 20 (1.45%) Elasticsearch
4 15 (1.09%) Apache Spark
5 12 (0.87%) SAS
6 9 (0.65%) IIS
6 9 (0.65%) SharePoint
7 8 (0.58%) JBoss
7 8 (0.58%) MS Exchange
7 8 (0.58%) nginx
7 8 (0.58%) Oracle SOA Suite
7 8 (0.58%) WebLogic
8 7 (0.51%) Tomcat
9 6 (0.44%) WebSphere
10 5 (0.36%) OpenStack
11 3 (0.22%) CMS
11 3 (0.22%) Exchange Server 2010
11 3 (0.22%) Skype for Business
12 2 (0.15%) IBM Notes
12 2 (0.15%) WebSphere Application Server
Applications
1 62 (4.50%) Microsoft Office
2 10 (0.73%) MS Visio
2 10 (0.73%) Simulink
3 9 (0.65%) Microsoft Excel
4 7 (0.51%) TargetLink
5 6 (0.44%) Microsoft PowerPoint
6 4 (0.29%) Windchill
7 3 (0.22%) Microsoft Project
8 2 (0.15%) Adobe Illustrator
8 2 (0.15%) Fusion 360
8 2 (0.15%) InVision
8 2 (0.15%) Photoshop
8 2 (0.15%) Sketch
8 2 (0.15%) S-PLUS
9 1 (0.073%) 3ds Max
9 1 (0.073%) Adobe Creative Suite
9 1 (0.073%) Adobe XD
9 1 (0.073%) Marvel
9 1 (0.073%) MODO
9 1 (0.073%) OrCAD
Business Applications
1 17 (1.23%) SAP S/4HANA
2 16 (1.16%) SAP Hybris
3 6 (0.44%) SAP CRM
3 6 (0.44%) SAP SD
4 5 (0.36%) Dynamics NAV
5 4 (0.29%) Oracle Applications
5 4 (0.29%) Oracle BPM
5 4 (0.29%) Oracle Cash Management
5 4 (0.29%) Salesforce.com CRM
5 4 (0.29%) SAP GTS
5 4 (0.29%) Teamcenter
6 3 (0.22%) Dynamics CRM
7 2 (0.15%) JDE EnterpriseOne
7 2 (0.15%) JDE OneWorld
7 2 (0.15%) Magento
8 1 (0.073%) Endur
8 1 (0.073%) Primavera
8 1 (0.073%) SAP CO
8 1 (0.073%) SAP FI
8 1 (0.073%) SAP FI/CO
Cloud Services
1 195 (14.14%) AWS
2 159 (11.53%) Azure
3 82 (5.95%) GCP
4 37 (2.68%) Office 365
5 24 (1.74%) Cloud Computing
5 24 (1.74%) Serverless
6 22 (1.60%) SaaS
7 16 (1.16%) Power Platform
8 14 (1.02%) AWS Lambda
9 12 (0.87%) GitHub
10 11 (0.80%) IaaS
11 10 (0.73%) AWS CloudFormation
11 10 (0.73%) PowerApps
12 9 (0.65%) Azure Active Directory
12 9 (0.65%) Azure Data Factory
13 8 (0.58%) Trello
14 5 (0.36%) Amazon EC2
14 5 (0.36%) AWS Elastic Beanstalk
14 5 (0.36%) OneDrive
14 5 (0.36%) PaaS
Communications & Networking
1 57 (4.13%) Wireless
2 53 (3.84%) Internet
3 46 (3.34%) TCP/IP
4 32 (2.32%) Skype
5 28 (2.03%) 5G
6 27 (1.96%) Network Security
7 26 (1.89%) Ethernet
8 25 (1.81%) Firewall
8 25 (1.81%) Wi-Fi
9 23 (1.67%) 4G
10 21 (1.52%) Bluetooth
11 14 (1.02%) DNS
12 13 (0.94%) 3G
13 12 (0.87%) H.323
14 11 (0.80%) DHCP
14 11 (0.80%) RS-232
14 11 (0.80%) SSL
15 10 (0.73%) MQTT
15 10 (0.73%) RS-485
15 10 (0.73%) WAN
Database & Business Intelligence
1 67 (4.86%) MySQL
2 49 (3.55%) Big Data
3 46 (3.34%) SQL Server
4 33 (2.39%) NoSQL
5 30 (2.18%) Data Warehouse
6 28 (2.03%) BusinessObjects
6 28 (2.03%) PostgreSQL
7 27 (1.96%) Relational Database
8 24 (1.74%) MongoDB
9 18 (1.31%) Hadoop
10 17 (1.23%) KDB
11 16 (1.16%) Power BI
11 16 (1.16%) Redis
12 15 (1.09%) Kdb+
13 10 (0.73%) Data Lake
13 10 (0.73%) Snowflake Schema
14 8 (0.58%) Apache Cassandra
14 8 (0.58%) Data Mining
15 7 (0.51%) Apache Hive
15 7 (0.51%) SAP HANA
Development Applications
1 131 (9.50%) Git (software)
2 105 (7.61%) JIRA
3 102 (7.40%) Jenkins
4 31 (2.25%) Visual Studio
5 26 (1.89%) Subversion
6 25 (1.81%) Selenium
7 17 (1.23%) GitLab
8 16 (1.16%) Eclipse
9 15 (1.09%) Maven
10 11 (0.80%) GCC
11 10 (0.73%) JUnit
11 10 (0.73%) LabVIEW
12 9 (0.65%) Ant
12 9 (0.65%) Atlassian Bamboo
12 9 (0.65%) Bitbucket
12 9 (0.65%) Cucumber
13 8 (0.58%) Team Foundation Server
14 7 (0.51%) CMake
14 7 (0.51%) IDA Disassembler
14 7 (0.51%) Mockito
General
1 268 (19.43%) Finance
2 122 (8.85%) Electronics
3 75 (5.44%) Telecoms
4 72 (5.22%) Manufacturing
5 49 (3.55%) Games
6 48 (3.48%) Banking
7 47 (3.41%) Automotive
8 39 (2.83%) Marketing
9 32 (2.32%) Aerospace
10 27 (1.96%) Public Sector
11 24 (1.74%) Retail
12 23 (1.67%) Police
13 17 (1.23%) Military
14 16 (1.16%) Law
15 14 (1.02%) Advertising
16 11 (0.80%) Back Office
17 6 (0.44%) Front Office
17 6 (0.44%) Publishing
18 5 (0.36%) German Language
19 4 (0.29%) Norwegian Language
Job Titles
1 359 (26.03%) Software Engineer
2 223 (16.17%) Developer
3 181 (13.13%) Embedded Engineer
4 158 (11.46%) Embedded Software Engineer
5 104 (7.54%) Senior Software Engineer
6 97 (7.03%) Architect
7 80 (5.80%) C++ Software Engineer
8 53 (3.84%) C Software Engineer
9 49 (3.55%) Consultant
10 46 (3.34%) C/C++ Software Engineer
11 40 (2.90%) Senior Embedded Software Engineer
12 38 (2.76%) Analyst
12 38 (2.76%) Embedded C++ Engineer
12 38 (2.76%) Software Developer
13 37 (2.68%) Python Developer
13 37 (2.68%) Senior Developer
14 36 (2.61%) Lead Developer
15 35 (2.54%) Embedded C Engineer
16 33 (2.39%) Support Engineer
17 31 (2.25%) Solutions Architect
Libraries, Frameworks & Software Standards
1 108 (7.83%) .NET
2 101 (7.32%) Web Services
3 93 (6.74%) HTML
4 59 (4.28%) CSS
5 58 (4.21%) React
6 46 (3.34%) Node.js
7 40 (2.90%) REST
8 36 (2.61%) RESTful
9 32 (2.32%) HTML5
10 31 (2.25%) AngularJS
11 30 (2.18%) JSON
12 29 (2.10%) .NET Framework
12 29 (2.10%) Spring
12 29 (2.10%) XML
13 26 (1.89%) Kafka
14 20 (1.45%) .NET Core
15 19 (1.38%) Apache NiFi
15 19 (1.38%) jQuery
16 18 (1.31%) WebRTC
17 17 (1.23%) Sass
Miscellaneous
1 108 (7.83%) Algorithms
2 105 (7.61%) Analytical Skills
3 86 (6.24%) Embedded Systems
4 79 (5.73%) Greenfield Project
5 66 (4.79%) Mobile App
6 57 (4.13%) Hedge funds
7 50 (3.63%) Self-Motivation
8 49 (3.55%) Management Information System
9 41 (2.97%) Derivative
10 39 (2.83%) Credit Derivative
10 39 (2.83%) Fixed Income
11 37 (2.68%) Internet of Things
11 37 (2.68%) User Experience
12 36 (2.61%) Device Driver
13 34 (2.47%) Data Structures
14 24 (1.74%) Field-Programmable Gate Array
15 22 (1.60%) Industry 4.0
15 22 (1.60%) Linux Command Line
16 21 (1.52%) SCADA
17 18 (1.31%) Video Conferencing
Operating Systems
1 359 (26.03%) Linux
2 146 (10.59%) Windows
3 75 (5.44%) Unix
4 56 (4.06%) Android
5 43 (3.12%) CentOS
6 34 (2.47%) Embedded Linux
7 28 (2.03%) Red Hat Enterprise Linux
8 27 (1.96%) Apple iOS
9 23 (1.67%) Windows 10
9 23 (1.67%) Windows Server
10 18 (1.31%) Ubuntu
11 16 (1.16%) Windows 7
12 12 (0.87%) VxWorks
13 10 (0.73%) Debian
14 7 (0.51%) Amazon Linux
14 7 (0.51%) Windows Server 2012
14 7 (0.51%) Windows Server 2016
15 6 (0.44%) Mac OS X
16 5 (0.36%) Mac OS
16 5 (0.36%) Nucleus RTOS
Processes & Methodologies
1 469 (34.01%) Software Engineering
2 345 (25.02%) Agile Software Development
3 183 (13.27%) Computer Science
4 162 (11.75%) Scrum
5 144 (10.44%) Problem-Solving
6 128 (9.28%) DevOps
7 114 (8.27%) Cybersecurity
8 107 (7.76%) Mathematics
9 104 (7.54%) Test Automation
10 99 (7.18%) Open Source
11 97 (7.03%) Project Management
12 86 (6.24%) Mentoring
12 86 (6.24%) OO
13 76 (5.51%) SDLC
14 74 (5.37%) Continuous Integration
15 73 (5.29%) Migration
15 73 (5.29%) Validation
16 70 (5.08%) Analytics
16 70 (5.08%) Machine Learning
17 69 (5.00%) TDD
Programming Languages
1 643 (46.63%) C++
2 460 (33.36%) Python
3 347 (25.16%) Java
4 179 (12.98%) C#
5 175 (12.69%) JavaScript
6 156 (11.31%) SQL
7 128 (9.28%) Embedded C
8 76 (5.51%) Go
9 68 (4.93%) R
10 57 (4.13%) Bash Shell
11 55 (3.99%) Embedded C++
11 55 (3.99%) PHP
12 49 (3.55%) MATLAB
13 39 (2.83%) PowerShell
14 35 (2.54%) Assembly Language
14 35 (2.54%) Perl
15 33 (2.39%) Ruby
16 24 (1.74%) Scala
17 23 (1.67%) Shell Script
18 16 (1.16%) Java 8
Qualifications
1 321 (23.28%) Degree
2 165 (11.97%) Security Cleared
3 118 (8.56%) DV Cleared
4 72 (5.22%) Computer Science Degree
5 56 (4.06%) SC Cleared
6 44 (3.19%) PhD
7 18 (1.31%) CISSP
8 15 (1.09%) CISM
9 12 (0.87%) Cisco Certification
10 10 (0.73%) Master's Degree
11 8 (0.58%) CCNA
11 8 (0.58%) CSSLP
11 8 (0.58%) ITIL Certification
12 7 (0.51%) (ISC)2 CCSP
12 7 (0.51%) HND
13 6 (0.44%) MBA
14 5 (0.36%) CCIE
14 5 (0.36%) CCSP
14 5 (0.36%) CFA
14 5 (0.36%) JNCIA
Quality Assurance & Compliance
1 64 (4.64%) QA
2 19 (1.38%) ISO/IEC 27001
3 15 (1.09%) GDPR
3 15 (1.09%) MISRA
4 13 (0.94%) SLA
5 11 (0.80%) ISO 26262
6 10 (0.73%) ISO 9001
6 10 (0.73%) MISRA C
7 9 (0.65%) NIST
8 8 (0.58%) IEC 61508
8 8 (0.58%) PMO
9 6 (0.44%) JTAG
10 5 (0.36%) Actionable Recommendations
10 5 (0.36%) DO-178B
10 5 (0.36%) ISO 13485
11 3 (0.22%) Def Stans
11 3 (0.22%) ISO 14001
12 2 (0.15%) IEC 62304
12 2 (0.15%) ISO 9000
12 2 (0.15%) Sarbanes-Oxley
System Software
1 109 (7.90%) Docker
2 92 (6.67%) Firmware
3 42 (3.05%) Active Directory
4 37 (2.68%) VMware Infrastructure
5 8 (0.58%) Hyper-V
5 8 (0.58%) KVM
6 7 (0.51%) LXC
7 5 (0.36%) vSphere
8 4 (0.29%) Ceph
8 4 (0.29%) Virtual Machines
8 4 (0.29%) Xen
9 3 (0.22%) Microsoft App-V
9 3 (0.22%) Virtual Desktop
9 3 (0.22%) VMware ESXi
10 2 (0.15%) iptables
10 2 (0.15%) Virtual Servers
11 1 (0.073%) Apache ZooKeeper
11 1 (0.073%) BIND 9
11 1 (0.073%) PowerHA
11 1 (0.073%) zsh
Systems Management
1 65 (4.71%) Ansible
2 64 (4.64%) Kubernetes
3 37 (2.68%) Terraform
4 22 (1.60%) Puppet
5 15 (1.09%) Opscode Chef
6 12 (0.87%) SCCM
7 10 (0.73%) SCOM
8 6 (0.44%) Microsoft Intune
9 4 (0.29%) Proxmox
9 4 (0.29%) Single Sign-On
9 4 (0.29%) Zipkin
10 3 (0.22%) McAfee ePO
10 3 (0.22%) Mesos
10 3 (0.22%) SCOrch
10 3 (0.22%) SELinux
10 3 (0.22%) vRealize
11 2 (0.15%) HP Quality Center
11 2 (0.15%) SCSM
11 2 (0.15%) SolarWinds Orion
11 2 (0.15%) WSUS
Vendors
1 116 (8.41%) Microsoft
2 70 (5.08%) Google
3 69 (5.00%) SAP
4 54 (3.92%) Oracle
4 54 (3.92%) VMware
5 34 (2.47%) Cisco
6 31 (2.25%) Red Hat
7 19 (1.38%) hybris
8 15 (1.09%) EMC
9 12 (0.87%) Atlassian
9 12 (0.87%) IBM
10 11 (0.80%) Citrix
10 11 (0.80%) Salesforce.com
11 10 (0.73%) Apple
11 10 (0.73%) Intel
11 10 (0.73%) ServiceNow
12 9 (0.65%) HP
13 8 (0.58%) Dell
13 8 (0.58%) Xamarin
14 7 (0.51%) Tableau