Period
to 21 November 2019

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 21 November 2019 with a comparison to the same period in the previous 2 years.

C
England > London
6 months to
21 Nov 2019
Same period 2018 Same period 2017
Rank 167 165 185
Rank change year-on-year -2 +20 -32
Permanent jobs citing C 1,157 1,481 1,492
As % of all permanent IT jobs advertised in London 2.13% 2.20% 1.97%
As % of the Programming Languages category 3.78% 3.84% 3.59%
Number of salaries quoted 858 1,166 1,105
London median annual salary £60,000 £65,000 £60,000
Median salary % change year-on-year -7.69% +8.33% -7.69%
10th Percentile £37,500 £37,500 £35,573
90th Percentile £110,000 £102,500 £92,500
England median annual salary £50,000 £50,000 £50,000

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 30,627 38,522 41,582
As % of all permanent IT jobs advertised in London 56.27% 57.19% 54.99%
Number of salaries quoted 25,535 32,146 33,077
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +4.35%
10th Percentile £38,750 £37,500 £36,250
90th Percentile £100,000 £95,000 £90,000
England median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% +5.26%

C
Job Vacancy Trend in London

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

Job vacancy trend for C in London

C
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing C in London.

Salary trend for C in London

C
Salary Histogram in London

The salary distribution of IT jobs citing C in London over the 6 months to 21 November 2019.

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 21 November 2019. 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 +4 208 £70,000 +3.70% 59
West London +8 91 £52,500 - 27
South London 0 28 £65,000 +44.44% 6
East London +27 17 £72,500 +26.09% 20
North London +6 9 £50,000 +8.11% 5
C
England

For the 6 months to 21 November 2019, 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.

1 364 (31.46%) Python
2 330 (28.52%) Finance
3 322 (27.83%) Agile Software Development
4 314 (27.14%) C++
5 300 (25.93%) Java
6 284 (24.55%) Degree
7 198 (17.11%) Software Engineering
8 194 (16.77%) Linux
9 171 (14.78%) Analytics
10 169 (14.61%) Analytical Skills
11 160 (13.83%) SQL
12 157 (13.57%) AWS
13 147 (12.71%) DevOps
14 142 (12.27%) C#
15 140 (12.10%) JavaScript
16 136 (11.75%) Project Management
17 135 (11.67%) Problem-Solving
18 134 (11.58%) Big Data
18 134 (11.58%) Mathematics
19 132 (11.41%) Banking
20 128 (11.06%) Data Science
21 120 (10.37%) Azure
22 116 (10.03%) Artificial Intelligence
22 116 (10.03%) Cybersecurity
23 112 (9.68%) Microsoft
24 110 (9.51%) Windows
25 108 (9.33%) Hadoop
25 108 (9.33%) Machine Learning
26 106 (9.16%) Mentoring
27 101 (8.73%) Computer Science

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 45 (3.89%) Apache Spark
2 38 (3.28%) Confluence
2 38 (3.28%) SharePoint
3 35 (3.03%) Apache
4 25 (2.16%) Elasticsearch
5 22 (1.90%) SAS
6 19 (1.64%) Tomcat
7 18 (1.56%) IIS
8 17 (1.47%) nginx
8 17 (1.47%) SharePoint 2013
9 15 (1.30%) OpenStack
10 14 (1.21%) Apache Airflow
11 8 (0.69%) Skype for Business
12 6 (0.52%) CMS
12 6 (0.52%) Jupyter
12 6 (0.52%) Tornado
13 5 (0.43%) Drupal
14 4 (0.35%) WordPress
15 3 (0.26%) Ethereum
15 3 (0.26%) Magnolia
Applications
1 42 (3.63%) Microsoft Office
2 30 (2.59%) Microsoft Excel
3 12 (1.04%) Microsoft PowerPoint
4 9 (0.78%) Microsoft Project
5 7 (0.61%) MS Visio
6 4 (0.35%) Spreadsheet
7 2 (0.17%) Adobe Illustrator
7 2 (0.17%) Adobe XD
7 2 (0.17%) Photoshop
7 2 (0.17%) Sketch
8 1 (0.086%) CPLEX
8 1 (0.086%) OrCAD
8 1 (0.086%) ProjectWise
Business Applications
1 10 (0.86%) Dynamics AX
1 10 (0.86%) Sparx Enterprise Architect
2 8 (0.69%) Dynamics NAV
3 6 (0.52%) SAP CRM
4 5 (0.43%) Salesforce.com CRM
5 3 (0.26%) Magento
5 3 (0.26%) SAP S/4HANA
6 2 (0.17%) SAP Forecasting and Replenishment
6 2 (0.17%) SAP Hybris
6 2 (0.17%) SAP IBP
7 1 (0.086%) Dynamics CRM
7 1 (0.086%) FINCAD Analytics
7 1 (0.086%) NetSuite
7 1 (0.086%) Oracle Retail
7 1 (0.086%) Payment Gateway
7 1 (0.086%) Primavera
7 1 (0.086%) SAP GTS
7 1 (0.086%) SAP SD
Cloud Services
1 157 (13.57%) AWS
2 120 (10.37%) Azure
3 55 (4.75%) GCP
4 52 (4.49%) Office 365
5 31 (2.68%) SaaS
6 20 (1.73%) Dynamics 365
7 19 (1.64%) Amazon S3
7 19 (1.64%) Power Platform
8 17 (1.47%) Amazon EKS
9 16 (1.38%) Cloud Computing
10 15 (1.30%) Azure Active Directory
11 14 (1.21%) Amazon EC2
11 14 (1.21%) npm
12 13 (1.12%) AWS CloudFormation
12 13 (1.12%) OpenShift
13 10 (0.86%) G Suite
14 9 (0.78%) Serverless
15 8 (0.69%) OneDrive
15 8 (0.69%) Virtual Private Cloud
16 6 (0.52%) SuccessFactors
Communications & Networking
1 57 (4.93%) DNS
2 53 (4.58%) Internet
3 42 (3.63%) TCP/IP
4 41 (3.54%) Firewall
5 24 (2.07%) DHCP
6 20 (1.73%) Wireless
7 17 (1.47%) Unified Communications
8 16 (1.38%) SSL
9 15 (1.30%) DMZ
9 15 (1.30%) Ethernet
9 15 (1.30%) RS-232
10 14 (1.21%) Network Security
11 13 (1.12%) HTTP
11 13 (1.12%) Intranet
12 12 (1.04%) RS-485
13 10 (0.86%) LAN
13 10 (0.86%) Skype
14 9 (0.78%) HTTPS
14 9 (0.78%) MPLS
15 8 (0.69%) 3G
Database & Business Intelligence
1 134 (11.58%) Big Data
2 108 (9.33%) Hadoop
3 52 (4.49%) SQL Server
4 30 (2.59%) Apache Hive
5 26 (2.25%) MySQL
6 23 (1.99%) Relational Database
7 22 (1.90%) NoSQL
7 22 (1.90%) PostgreSQL
8 18 (1.56%) Data Warehouse
9 14 (1.21%) BigQuery
9 14 (1.21%) MongoDB
9 14 (1.21%) Power BI
9 14 (1.21%) Presto
9 14 (1.21%) SQL Server Analysis Services
10 13 (1.12%) Redis
11 12 (1.04%) DB2
12 11 (0.95%) Blockchain
13 10 (0.86%) MS Access
13 10 (0.86%) QlikView
13 10 (0.86%) SQL Server Integration Services
Development Applications
1 88 (7.61%) JIRA
2 81 (7.00%) Git (software)
3 61 (5.27%) Jenkins
4 35 (3.03%) Maven
5 29 (2.51%) Bitbucket
6 24 (2.07%) Atlassian Bamboo
6 24 (2.07%) Bitbucket Server
7 21 (1.82%) Cucumber
8 19 (1.64%) Selenium
9 18 (1.56%) Team Foundation Server
9 18 (1.56%) TeamCity
10 17 (1.47%) git-flow
11 16 (1.38%) JMeter
12 15 (1.30%) Appium
12 15 (1.30%) ProC
13 14 (1.21%) Artifactory
13 14 (1.21%) Bower
13 14 (1.21%) Octopus Deploy
13 14 (1.21%) SonarQube
13 14 (1.21%) Zephyr
General
1 330 (28.52%) Finance
2 132 (11.41%) Banking
3 55 (4.75%) Retail
4 51 (4.41%) Marketing
5 44 (3.80%) Games
6 38 (3.28%) Telecoms
7 32 (2.77%) Public Sector
8 26 (2.25%) Electronics
9 18 (1.56%) Front Office
9 18 (1.56%) Legal
10 17 (1.47%) Law
11 16 (1.38%) Manufacturing
12 14 (1.21%) Automotive
13 13 (1.12%) Local Government
13 13 (1.12%) Military
14 10 (0.86%) Pharmaceutical
15 8 (0.69%) Aerospace
15 8 (0.69%) Publishing
16 7 (0.61%) Corporate Banking
17 6 (0.52%) Financial Institution
Job Titles
1 185 (15.99%) Developer
2 145 (12.53%) Consultant
3 104 (8.99%) Software Engineer
4 90 (7.78%) Analyst
5 74 (6.40%) Architect
6 52 (4.49%) Software Developer
7 46 (3.98%) Embedded Engineer
7 46 (3.98%) Embedded Software Engineer
8 42 (3.63%) DevOps Engineer
9 34 (2.94%) Data Consultant
10 32 (2.77%) C Software Engineer
10 32 (2.77%) Java Developer
11 30 (2.59%) Project Manager
12 29 (2.51%) Senior Developer
13 28 (2.42%) Business Analyst
14 26 (2.25%) C++ Software Engineer
14 26 (2.25%) Linux Engineer
15 25 (2.16%) Embedded C Engineer
15 25 (2.16%) Embedded C Software Engineer
15 25 (2.16%) Junior
Libraries, Frameworks & Software Standards
1 84 (7.26%) .NET
2 61 (5.27%) CSS
2 61 (5.27%) HTML
3 47 (4.06%) Kafka
4 43 (3.72%) Node.js
5 42 (3.63%) Spring
6 40 (3.46%) React
6 40 (3.46%) Web Services
7 38 (3.28%) REST
8 34 (2.94%) AngularJS
8 34 (2.94%) Middleware
9 26 (2.25%) TensorFlow
10 25 (2.16%) Elastic Stack
11 23 (1.99%) ASP.NET
12 21 (1.82%) JSON
13 20 (1.73%) XML
14 17 (1.47%) LAMP
15 16 (1.38%) SOAP
16 15 (1.30%) Boost C++ Libraries
16 15 (1.30%) LDAP
Miscellaneous
1 169 (14.61%) Analytical Skills
2 62 (5.36%) Management Information System
3 60 (5.19%) Algorithms
4 56 (4.84%) User Experience
5 35 (3.03%) Hedge funds
5 35 (3.03%) Mobile App
6 30 (2.59%) Self-Motivation
7 28 (2.42%) Social Media
8 22 (1.90%) Greenfield Project
8 22 (1.90%) Public Cloud
9 19 (1.64%) Enterprise Software
10 16 (1.38%) Credit Risk
11 14 (1.21%) Data Structures
12 13 (1.12%) Data Centre
12 13 (1.12%) Derivative
12 13 (1.12%) Field-Programmable Gate Array
13 12 (1.04%) Embedded Systems
14 11 (0.95%) Life Science
14 11 (0.95%) N-Tier
14 11 (0.95%) Robotics
Operating Systems
1 194 (16.77%) Linux
2 110 (9.51%) Windows
3 68 (5.88%) Unix
4 48 (4.15%) Android
4 48 (4.15%) Windows Server
5 30 (2.59%) Apple iOS
6 28 (2.42%) Windows 10
7 21 (1.82%) CentOS
8 16 (1.38%) Ubuntu
9 15 (1.30%) Red Hat Enterprise Linux
9 15 (1.30%) Solaris
10 12 (1.04%) FreeRTOS
11 11 (0.95%) VxWorks
12 10 (0.86%) Mac OS
13 8 (0.69%) tvOS
14 7 (0.61%) Debian
14 7 (0.61%) Windows 7
15 4 (0.35%) Embedded Linux
15 4 (0.35%) Windows Server 2012
16 2 (0.17%) Fedora
Processes & Methodologies
1 322 (27.83%) Agile Software Development
2 198 (17.11%) Software Engineering
3 171 (14.78%) Analytics
4 147 (12.71%) DevOps
5 136 (11.75%) Project Management
6 135 (11.67%) Problem-Solving
7 134 (11.58%) Mathematics
8 128 (11.06%) Data Science
9 116 (10.03%) Artificial Intelligence
9 116 (10.03%) Cybersecurity
10 108 (9.33%) Machine Learning
11 106 (9.16%) Mentoring
12 101 (8.73%) Computer Science
13 99 (8.56%) ITIL
14 85 (7.35%) Scrum
15 83 (7.17%) Test Automation
16 80 (6.91%) Coaching
17 78 (6.74%) Open Source
18 77 (6.66%) Continuous Integration
19 74 (6.40%) Data Analysis
Programming Languages
1 364 (31.46%) Python
2 314 (27.14%) C++
3 300 (25.93%) Java
4 160 (13.83%) SQL
5 142 (12.27%) C#
6 140 (12.10%) JavaScript
7 100 (8.64%) R
8 76 (6.57%) Scala
9 61 (5.27%) Bash Shell
10 44 (3.80%) PowerShell
11 43 (3.72%) Perl
12 42 (3.63%) Go
13 30 (2.59%) Ruby
13 30 (2.59%) Shell Script
14 29 (2.51%) PHP
15 28 (2.42%) Embedded C
15 28 (2.42%) TypeScript
16 27 (2.33%) MATLAB
17 21 (1.82%) VBA
18 18 (1.56%) PL/SQL
Qualifications
1 284 (24.55%) Degree
2 83 (7.17%) Security Cleared
3 65 (5.62%) DV Cleared
4 62 (5.36%) SC Cleared
5 42 (3.63%) PhD
6 29 (2.51%) Computer Science Degree
7 27 (2.33%) CISSP
7 27 (2.33%) Microsoft Certification
8 20 (1.73%) Cisco Certification
9 15 (1.30%) MCP
9 15 (1.30%) RHCE
10 13 (1.12%) CompTIA Security+
11 12 (1.04%) PMI Certification
12 11 (0.95%) CISA
13 10 (0.86%) (ISC)2 CCSP
13 10 (0.86%) SANS
14 9 (0.78%) CCNA
14 9 (0.78%) CISM
15 8 (0.69%) MCSE
15 8 (0.69%) SSCP
Quality Assurance & Compliance
1 36 (3.11%) SLA
2 25 (2.16%) QA
3 17 (1.47%) GDPR
4 14 (1.21%) JTAG
5 13 (1.12%) ISO/IEC 27001
6 12 (1.04%) PMO
7 11 (0.95%) COBIT
8 10 (0.86%) NIST
9 6 (0.52%) Basel II
10 5 (0.43%) IFRS
10 5 (0.43%) IFRS 9
10 5 (0.43%) MiFID
10 5 (0.43%) NIST 800
11 4 (0.35%) Basel III
11 4 (0.35%) ISO/IEC 17025
12 3 (0.26%) Data Quality
13 2 (0.17%) HMG Security Policy Framework
13 2 (0.17%) ISO 22301
14 1 (0.086%) CRD IV
14 1 (0.086%) ISO 20022
System Software
1 60 (5.19%) Docker
2 59 (5.10%) Active Directory
3 45 (3.89%) Firmware
4 34 (2.94%) VMware Infrastructure
5 19 (1.64%) vSphere
6 17 (1.47%) NFS
7 14 (1.21%) HDFS
8 9 (0.78%) Apache Flume
9 5 (0.43%) Microsoft App-V
10 4 (0.35%) Apache ZooKeeper
10 4 (0.35%) etcd
11 3 (0.26%) BitLocker
11 3 (0.26%) Hyper-V
12 2 (0.17%) Virtual Desktop
13 1 (0.086%) ACF2
13 1 (0.086%) Ceph
13 1 (0.086%) Lustre
13 1 (0.086%) VirtualBox
13 1 (0.086%) XenApp
13 1 (0.086%) XenDesktop
Systems Management
1 46 (3.98%) Ansible
2 40 (3.46%) Kubernetes
3 33 (2.85%) Terraform
4 32 (2.77%) Puppet
5 27 (2.33%) Opscode Chef
6 18 (1.56%) SCCM
7 17 (1.47%) PowerCLI
7 17 (1.47%) SCOM
8 9 (0.78%) Oozie
9 6 (0.52%) Salt
10 5 (0.43%) Computer Emergency Response Teams
10 5 (0.43%) CSIRT
10 5 (0.43%) HP Quality Center
10 5 (0.43%) Microsoft Intune
11 4 (0.35%) Consul
11 4 (0.35%) Icinga
11 4 (0.35%) Prometheus
12 3 (0.26%) Kibana
13 2 (0.17%) Docker Swarm
13 2 (0.17%) Zipkin
Vendors
1 112 (9.68%) Microsoft
2 57 (4.93%) Oracle
3 52 (4.49%) Google
4 43 (3.72%) Splunk
5 36 (3.11%) VMware
6 29 (2.51%) Salesforce.com
7 25 (2.16%) Cisco
7 25 (2.16%) SAP
8 24 (2.07%) Apple
9 23 (1.99%) ServiceNow
10 22 (1.90%) Tableau
11 18 (1.56%) Red Hat
12 17 (1.47%) Atlassian
13 14 (1.21%) Black Duck
13 14 (1.21%) Citrix
13 14 (1.21%) Teradata
14 11 (0.95%) Green Hills
14 11 (0.95%) QNX
15 10 (0.86%) Samsung
15 10 (0.86%) Sparx