Period
to 30 March 2020

The following table provides summary statistics for permanent job vacancies advertised in London 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 30 March 2020 with a comparison to the same period in the previous 2 years.

C
England > London
6 months to
30 Mar 2020
Same period 2019 Same period 2018
Rank 172 154 169
Rank change year-on-year -18 +15 -5
Permanent jobs citing C 1,018 1,382 1,446
As % of all permanent jobs advertised in London 2.09% 2.25% 2.07%
As % of the Programming Languages category 3.72% 3.95% 3.72%
Number of salaries quoted 841 1,136 1,100
Median annual salary £60,000 £62,500 £60,000
Median salary % change year-on-year -4.00% +4.17% -4.00%
10th Percentile £37,500 £37,500 £35,450
90th Percentile £111,250 £100,000 £100,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 27,387 35,006 38,900
As % of all permanent IT jobs advertised in London 56.34% 56.95% 55.66%
Number of salaries quoted 22,685 29,375 32,794
Median annual salary £67,500 £65,000 £60,000
Median salary % change year-on-year +3.85% +8.33% -
10th Percentile £40,500 £37,500 £37,500
90th Percentile £104,000 £95,000 £91,250
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

C
Job Vacancy Trend in London

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

Job vacancy trend for C in London

C
Salary Trend in London

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

Salary trend for C in London

C
Salary Histogram in London

Salary distribution for jobs citing C in London over the 6 months to 30 March 2020.

Salary histogram for C in London

C
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing C within the London region over the 6 months to 30 March 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
Central London +37 259 £70,000 +3.70% 56
West London -40 37 £60,000 +14.29% 30
South London -9 17 £37,500 -42.31% 20
North London -10 8 £45,000 -15.09% 8
East London -7 7 £46,059 +10.99% 21
C
England

For the 6 months to 30 March 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 across the London region with a requirement for C.

1 353 (34.68%) Java
2 340 (33.40%) C++
3 322 (31.63%) Python
4 273 (26.82%) Finance
5 265 (26.03%) Agile Software Development
6 192 (18.86%) Software Engineering
7 188 (18.47%) Linux
8 186 (18.27%) Degree
9 162 (15.91%) DevOps
10 161 (15.82%) AWS
11 153 (15.03%) SQL
12 150 (14.73%) JavaScript
13 140 (13.75%) C#
14 120 (11.79%) Analytics
15 115 (11.30%) Azure
16 111 (10.90%) Analytical Skills
16 111 (10.90%) Problem-Solving
17 106 (10.41%) Microsoft
17 106 (10.41%) Project Management
18 103 (10.12%) Git (software)
19 97 (9.53%) Docker
20 95 (9.33%) Test Automation
21 94 (9.23%) Windows
22 92 (9.04%) Machine Learning
23 87 (8.55%) Banking
24 86 (8.45%) Open Source
25 85 (8.35%) Big Data
26 80 (7.86%) Jenkins
26 80 (7.86%) .NET
26 80 (7.86%) Algorithms

C
Co-occurring IT Skills in London 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 50 (4.91%) Elasticsearch
2 34 (3.34%) SharePoint
3 30 (2.95%) Apache Spark
4 29 (2.85%) SAS
5 27 (2.65%) Confluence
6 26 (2.55%) Tomcat
7 19 (1.87%) Apache
8 16 (1.57%) ArcGIS
9 13 (1.28%) CMS
9 13 (1.28%) IIS
9 13 (1.28%) SharePoint 2013
10 11 (1.08%) GeoServer
11 10 (0.98%) Oracle Spatial
12 8 (0.79%) Skype for Business
13 7 (0.69%) Exchange Server 2010
13 7 (0.69%) MS Exchange
13 7 (0.69%) nginx
13 7 (0.69%) OpenStack
13 7 (0.69%) WebSphere
14 5 (0.49%) CICS
Applications
1 39 (3.83%) Microsoft Office
2 18 (1.77%) Microsoft PowerPoint
3 16 (1.57%) Microsoft Excel
4 6 (0.59%) Adobe XD
4 6 (0.59%) Sketch
4 6 (0.59%) SPSS
5 5 (0.49%) Microsoft Project
6 2 (0.20%) Photoshop
7 1 (0.098%) Adobe Illustrator
7 1 (0.098%) Chatbot
7 1 (0.098%) CPLEX
7 1 (0.098%) ProjectWise
7 1 (0.098%) S-PLUS
Business Applications
1 10 (0.98%) Dynamics AX
2 6 (0.59%) SAP CRM
2 6 (0.59%) Workday HCM
3 5 (0.49%) SAP S/4HANA
4 4 (0.39%) Northgate Housing
5 3 (0.29%) Dynamics NAV
5 3 (0.29%) Magento
5 3 (0.29%) SAP GTS
5 3 (0.29%) SAP SD
6 2 (0.20%) Oracle Applications
6 2 (0.20%) Oracle CRM On Demand
6 2 (0.20%) Salesforce.com CRM
7 1 (0.098%) Payment Gateway
7 1 (0.098%) Primavera
7 1 (0.098%) Sparx Enterprise Architect
Cloud Services
1 161 (15.82%) AWS
2 115 (11.30%) Azure
3 42 (4.13%) SaaS
4 36 (3.54%) GCP
5 35 (3.44%) Office 365
6 21 (2.06%) GitHub
7 19 (1.87%) Serverless
8 18 (1.77%) Amazon EC2
8 18 (1.77%) Amazon EKS
9 17 (1.67%) OpenShift
10 16 (1.57%) AWS CloudFormation
11 15 (1.47%) Cloud Computing
12 13 (1.28%) Virtual Private Cloud
13 12 (1.18%) PaaS
13 12 (1.18%) Power Platform
14 11 (1.08%) Amazon S3
14 11 (1.08%) npm
15 10 (0.98%) Dynamics 365
16 9 (0.88%) Amazon ECS
16 9 (0.88%) IaaS
Communications & Networking
1 57 (5.60%) TCP/IP
2 40 (3.93%) Firewall
3 30 (2.95%) Internet
4 22 (2.16%) DNS
5 16 (1.57%) Unified Communications
5 16 (1.57%) VPN
5 16 (1.57%) Wireless
6 15 (1.47%) LAN
6 15 (1.47%) Network Security
7 13 (1.28%) MPLS
8 11 (1.08%) Intranet
8 11 (1.08%) MQTT
8 11 (1.08%) SSL
9 10 (0.98%) DHCP
9 10 (0.98%) Ethernet
9 10 (0.98%) Skype
10 9 (0.88%) IPsec
11 8 (0.79%) H.323
11 8 (0.79%) VoIP
11 8 (0.79%) WebEx
Database & Business Intelligence
1 85 (8.35%) Big Data
2 51 (5.01%) NoSQL
3 45 (4.42%) Hadoop
4 41 (4.03%) Redis
5 34 (3.34%) Relational Database
6 26 (2.55%) PostgreSQL
7 24 (2.36%) SQL Server
8 17 (1.67%) Data Warehouse
8 17 (1.67%) DB2
8 17 (1.67%) QlikView
9 16 (1.57%) MongoDB
10 14 (1.38%) Blockchain
10 14 (1.38%) MySQL
11 12 (1.18%) Spotfire
12 11 (1.08%) GIS
13 10 (0.98%) Oracle Database
14 9 (0.88%) Apache Hive
14 9 (0.88%) BusinessObjects
14 9 (0.88%) MS Access
15 7 (0.69%) Power BI
Development Applications
1 103 (10.12%) Git (software)
2 80 (7.86%) Jenkins
3 74 (7.27%) JIRA
4 44 (4.32%) Maven
5 27 (2.65%) Xcode
6 20 (1.96%) Atlassian Bamboo
6 20 (1.96%) Team Foundation Server
7 18 (1.77%) Sonatype Nexus
8 16 (1.57%) Selenium
9 14 (1.38%) Postman
10 13 (1.28%) TestRail
11 12 (1.18%) Ant
11 12 (1.18%) Bitbucket
11 12 (1.18%) Cucumber
11 12 (1.18%) MSBuild
11 12 (1.18%) SoapUI
11 12 (1.18%) TeamCity
12 11 (1.08%) Bower
12 11 (1.08%) Octopus Deploy
12 11 (1.08%) Visual Studio Team System
General
1 273 (26.82%) Finance
2 87 (8.55%) Banking
3 43 (4.22%) Marketing
3 43 (4.22%) Retail
4 34 (3.34%) Telecoms
5 31 (3.05%) Games
6 30 (2.95%) Public Sector
7 27 (2.65%) Law
8 25 (2.46%) Legal
9 18 (1.77%) Electronics
10 17 (1.67%) Automotive
11 10 (0.98%) Police
12 8 (0.79%) Front Office
12 8 (0.79%) Local Government
12 8 (0.79%) Manufacturing
13 7 (0.69%) Pharmaceutical
14 6 (0.59%) Publishing
15 5 (0.49%) Aerospace
15 5 (0.49%) Retail Banking
16 4 (0.39%) German Language
Job Titles
1 181 (17.78%) Developer
2 104 (10.22%) Software Engineer
3 91 (8.94%) Consultant
4 68 (6.68%) Analyst
5 57 (5.60%) Architect
6 43 (4.22%) DevOps Engineer
6 43 (4.22%) Senior Developer
7 38 (3.73%) Java Developer
8 37 (3.63%) Data Scientist
9 33 (3.24%) Software Developer
10 31 (3.05%) Business Analyst
11 30 (2.95%) Embedded Engineer
11 30 (2.95%) Embedded Software Engineer
12 29 (2.85%) Senior Software Engineer
13 26 (2.55%) Project Manager
14 24 (2.36%) IT Manager
14 24 (2.36%) Platform Engineer
15 21 (2.06%) C++ Software Engineer
16 20 (1.96%) C++ Developer
16 20 (1.96%) Security Engineer
Libraries, Frameworks & Software Standards
1 80 (7.86%) .NET
2 61 (5.99%) Node.js
3 49 (4.81%) CSS
4 47 (4.62%) HTML
5 42 (4.13%) Web Services
6 40 (3.93%) REST
7 33 (3.24%) Middleware
7 33 (3.24%) React
8 32 (3.14%) AngularJS
9 31 (3.05%) Spring
10 30 (2.95%) Apache Flex
11 28 (2.75%) JSON
11 28 (2.75%) RESTful
12 26 (2.55%) XML
13 24 (2.36%) ASP.NET
13 24 (2.36%) iOS SDK
14 18 (1.77%) Kafka
15 17 (1.67%) Elastic Stack
16 14 (1.38%) Vue.js
17 13 (1.28%) LAMP
Miscellaneous
1 111 (10.90%) Analytical Skills
2 80 (7.86%) Algorithms
3 75 (7.37%) User Experience
4 28 (2.75%) Management Information System
5 26 (2.55%) Linux Command Line
5 26 (2.55%) Self-Motivation
6 25 (2.46%) Public Cloud
7 23 (2.26%) Hedge funds
8 21 (2.06%) Greenfield Project
8 21 (2.06%) Mobile App
8 21 (2.06%) PKI
9 18 (1.77%) Virtual Team
10 16 (1.57%) Video Conferencing
11 14 (1.38%) Data Structures
12 12 (1.18%) Enterprise Software
12 12 (1.18%) Online Games
13 11 (1.08%) CESG
13 11 (1.08%) Equities
13 11 (1.08%) Smart City
14 10 (0.98%) Field-Programmable Gate Array
Operating Systems
1 188 (18.47%) Linux
2 94 (9.23%) Windows
3 52 (5.11%) Android
3 52 (5.11%) Unix
4 46 (4.52%) Apple iOS
5 34 (3.34%) Ubuntu
6 32 (3.14%) Windows Server
7 31 (3.05%) Windows 10
8 27 (2.65%) Mac OS
9 24 (2.36%) CentOS
10 19 (1.87%) Red Hat Enterprise Linux
10 19 (1.87%) tvOS
11 10 (0.98%) Fedora
12 9 (0.88%) Debian
13 4 (0.39%) Windows Server 2012
14 3 (0.29%) Embedded Linux
14 3 (0.29%) Solaris
14 3 (0.29%) Windows Server 2016
15 2 (0.20%) FreeBSD
15 2 (0.20%) Windows Server 2003
Processes & Methodologies
1 265 (26.03%) Agile Software Development
2 192 (18.86%) Software Engineering
3 162 (15.91%) DevOps
4 120 (11.79%) Analytics
5 111 (10.90%) Problem-Solving
6 106 (10.41%) Project Management
7 95 (9.33%) Test Automation
8 92 (9.04%) Machine Learning
9 86 (8.45%) Open Source
10 78 (7.66%) Computer Science
11 74 (7.27%) ITIL
12 71 (6.97%) Data Science
13 70 (6.88%) Cybersecurity
14 68 (6.68%) Mathematics
15 67 (6.58%) Fintech
15 67 (6.58%) Migration
16 62 (6.09%) Stakeholder Management
17 60 (5.89%) Mentoring
18 59 (5.80%) Scrum
18 59 (5.80%) SDLC
Programming Languages
1 353 (34.68%) Java
2 340 (33.40%) C++
3 322 (31.63%) Python
4 153 (15.03%) SQL
5 150 (14.73%) JavaScript
6 140 (13.75%) C#
7 58 (5.70%) Bash Shell
8 52 (5.11%) Go
9 49 (4.81%) PowerShell
10 47 (4.62%) TypeScript
11 34 (3.34%) Perl
12 33 (3.24%) R
13 31 (3.05%) Objective-C
13 31 (3.05%) PHP
14 22 (2.16%) Embedded C
15 21 (2.06%) Scala
15 21 (2.06%) Shell Script
16 16 (1.57%) VB
17 15 (1.47%) Ruby
18 12 (1.18%) MATLAB
Qualifications
1 186 (18.27%) Degree
2 70 (6.88%) Security Cleared
3 43 (4.22%) DV Cleared
4 39 (3.83%) SC Cleared
5 27 (2.65%) Microsoft Certification
6 26 (2.55%) CISSP
7 24 (2.36%) PhD
8 23 (2.26%) Cisco Certification
9 22 (2.16%) Computer Science Degree
10 18 (1.77%) SANS
11 14 (1.38%) CCNA
12 13 (1.28%) MCSE
13 11 (1.08%) CompTIA Security+
13 11 (1.08%) GIAC
13 11 (1.08%) Linux+ Certification
13 11 (1.08%) Network+ Certification
13 11 (1.08%) SSCP
14 10 (0.98%) CISA
14 10 (0.98%) CISM
14 10 (0.98%) Numerate Degree
Quality Assurance & Compliance
1 33 (3.24%) QA
2 19 (1.87%) ISO/IEC 27001
3 10 (0.98%) Actionable Recommendations
3 10 (0.98%) HMG Security Policy Framework
4 9 (0.88%) CESG Infosec
4 9 (0.88%) PMO
5 8 (0.79%) GDPR
6 6 (0.59%) COBIT
6 6 (0.59%) NIST
6 6 (0.59%) SLA
7 5 (0.49%) ISO/IEC 17025
8 2 (0.20%) Basel II
8 2 (0.20%) Basel III
8 2 (0.20%) BS7799
8 2 (0.20%) JTAG
8 2 (0.20%) PCI DSS
9 1 (0.098%) Data Quality
9 1 (0.098%) ISO 20022
9 1 (0.098%) P3O
9 1 (0.098%) SEPA
System Software
1 97 (9.53%) Docker
2 40 (3.93%) Active Directory
3 23 (2.26%) VMware Infrastructure
4 17 (1.67%) Firmware
5 13 (1.28%) vSphere
6 12 (1.18%) NFS
7 7 (0.69%) Samba
7 7 (0.69%) VirtualBox
7 7 (0.69%) VMware ESXi
7 7 (0.69%) Xen
8 5 (0.49%) Virtual Desktop
9 4 (0.39%) Apache ZooKeeper
9 4 (0.39%) BitLocker
9 4 (0.39%) etcd
9 4 (0.39%) OpenAM
10 2 (0.20%) Hyper-V
10 2 (0.20%) Virtual Machines
10 2 (0.20%) XenApp
10 2 (0.20%) XenDesktop
11 1 (0.098%) RACF
Systems Management
1 61 (5.99%) Kubernetes
2 52 (5.11%) Ansible
3 42 (4.13%) Puppet
4 38 (3.73%) Terraform
5 29 (2.85%) Opscode Chef
6 14 (1.38%) Microsoft Intune
6 14 (1.38%) SCCM
7 13 (1.28%) PowerCLI
7 13 (1.28%) SCOM
8 12 (1.18%) Nagios
9 9 (0.88%) Salt
10 8 (0.79%) Cisco CUCM
11 7 (0.69%) Docker Swarm
11 7 (0.69%) OpenNMS
11 7 (0.69%) vCenter Server
11 7 (0.69%) ZABBIX
12 6 (0.59%) HP Quality Center
12 6 (0.59%) Kibana
13 4 (0.39%) BladeLogic
13 4 (0.39%) Consul
Vendors
1 106 (10.41%) Microsoft
2 46 (4.52%) Oracle
3 30 (2.95%) Splunk
3 30 (2.95%) VMware
4 28 (2.75%) Apple
5 27 (2.65%) Red Hat
6 25 (2.46%) Google
7 22 (2.16%) Cisco
8 19 (1.87%) Tableau
9 16 (1.57%) Salesforce.com
10 13 (1.28%) Atlassian
10 13 (1.28%) IBM
11 11 (1.08%) Black Duck
11 11 (1.08%) ESRI
11 11 (1.08%) Workday
12 10 (0.98%) HP
13 9 (0.88%) Blue Prism
13 9 (0.88%) Cloudera
13 9 (0.88%) Hortonworks
13 9 (0.88%) SAP