Period
to 21 January 2018

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 January 2018 with a comparison to the same period in the previous 2 years.

C
England > London
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 180 138 128
Rank change year-on-year -42 -10 +23
Permanent jobs citing C 1,310 1,731 2,141
As % of all permanent IT jobs advertised in London 1.89% 2.46% 2.52%
As % of the Programming Languages category 3.41% 4.51% 4.69%
Number of salaries quoted 958 1,362 1,653
London median annual salary £60,000 £65,000 £60,000
Median salary % change year-on-year -7.69% +8.33% +3.90%
10th Percentile £36,250 £35,000 £35,550
90th Percentile £95,000 £108,750 £90,000
England median annual salary £50,000 £48,500 £47,500
% change year-on-year +3.09% +2.11% +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 advertised in London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 38,373 38,388 45,617
As % of all permanent IT jobs advertised in London 55.30% 54.60% 53.72%
Number of salaries quoted 31,476 33,615 39,620
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +1.85%
10th Percentile £36,250 £35,000 £34,000
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

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 January 2018.

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 January 2018. 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 -33 247 £67,500 -6.90% 61
West London -5 71 £54,000 +18.68% 45
East London -12 30 £50,000 +17.65% 20
South London -17 26 £40,000 +6.67% 16
North London -5 1 - - 3
C
England

For the 6 months to 21 January 2018, IT jobs citing C also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for C.

1 636 (48.55%) C++
2 434 (33.13%) Finance
3 433 (33.05%) Linux
4 418 (31.91%) Java
5 376 (28.70%) Python
6 375 (28.63%) Agile Software Development
7 311 (23.74%) Degree
8 302 (23.05%) SQL
9 257 (19.62%) C#
10 255 (19.47%) Computer Science
11 241 (18.40%) Software Engineering
12 169 (12.90%) JavaScript
13 168 (12.82%) Mathematics
14 166 (12.67%) Continuous Integration
15 159 (12.14%) Banking
15 159 (12.14%) Windows
16 154 (11.76%) .NET
16 154 (11.76%) Test Automation
17 153 (11.68%) Scrum
18 128 (9.77%) Microsoft
19 126 (9.62%) Unix
20 125 (9.54%) Analytical Skills
21 118 (9.01%) Machine Learning
22 117 (8.93%) Security Cleared
23 115 (8.78%) Multithreading
23 115 (8.78%) Open Source
24 114 (8.70%) TDD
25 111 (8.47%) QA
26 110 (8.40%) Algorithms
27 105 (8.02%) Project Management

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 52 (3.97%) Apache Spark
2 23 (1.76%) SharePoint
3 22 (1.68%) Ethereum
4 21 (1.60%) Hyperledger
5 19 (1.45%) SAS
5 19 (1.45%) WebSphere
6 14 (1.07%) eris
6 14 (1.07%) MS Exchange
7 13 (0.99%) Apache Pig
7 13 (0.99%) IIS
8 12 (0.92%) CMS
9 10 (0.76%) Apache
9 10 (0.76%) Confluence
10 9 (0.69%) Elasticsearch
10 9 (0.69%) Sitecore CMS
11 8 (0.61%) Tomcat
12 7 (0.53%) WebLogic
13 6 (0.46%) Smallworld
14 5 (0.38%) nginx
14 5 (0.38%) WebSphere Portal
Applications
1 30 (2.29%) Microsoft Office
2 18 (1.37%) Microsoft Excel
3 12 (0.92%) SPSS
4 10 (0.76%) Microsoft PowerPoint
5 7 (0.53%) Adobe Creative Suite
5 7 (0.53%) MS Visio
6 6 (0.46%) Mathematica
6 6 (0.46%) Simulink
7 4 (0.31%) InfoPath
7 4 (0.31%) Microsoft Project
7 4 (0.31%) Spreadsheet
8 3 (0.23%) Doxygen
9 1 (0.076%) FrameMaker
9 1 (0.076%) GNU Octave
9 1 (0.076%) Mathcad
9 1 (0.076%) Maya
9 1 (0.076%) OmniGraffle
Business Applications
1 40 (3.05%) Dynamics NAV
2 14 (1.07%) MultiChain
3 13 (0.99%) Salesforce.com CRM
4 5 (0.38%) Advent Geneva
4 5 (0.38%) HiPortfolio
4 5 (0.38%) MultiFonds
4 5 (0.38%) Oracle BPM
4 5 (0.38%) PORTIA
4 5 (0.38%) SimCorp Dimension
4 5 (0.38%) thinkFolio
5 4 (0.31%) LatentZero
6 3 (0.23%) Dynamics AX
6 3 (0.23%) Dynamics CRM
6 3 (0.23%) Magento
6 3 (0.23%) Oracle EBS
6 3 (0.23%) SAP CO
6 3 (0.23%) SAP FI
6 3 (0.23%) SAP FI/CO
6 3 (0.23%) SAP MM
6 3 (0.23%) Summit
Cloud Services
1 61 (4.66%) Amazon AWS
2 52 (3.97%) Microsoft Azure
3 49 (3.74%) SaaS
4 28 (2.14%) GitHub
5 24 (1.83%) Cloud Computing
6 23 (1.76%) Office 365
7 19 (1.45%) Amazon EC2
8 12 (0.92%) PaaS
9 11 (0.84%) OpenShift
10 10 (0.76%) G Suite
11 9 (0.69%) Slack
12 6 (0.46%) Google Cloud Platform
13 4 (0.31%) Azure Data Factory
13 4 (0.31%) Dynamics 365
13 4 (0.31%) Google Play
13 4 (0.31%) npm
13 4 (0.31%) SuccessFactors
14 3 (0.23%) IaaS
15 2 (0.15%) Amazon EMR
15 2 (0.15%) Serverless
Communications & Networking
1 71 (5.42%) TCP/IP
2 65 (4.96%) Firewall
3 47 (3.59%) Ethernet
4 38 (2.90%) InfiniBand
5 34 (2.60%) Network Security
6 31 (2.37%) Internet
7 23 (1.76%) HTTP
8 21 (1.60%) DNS
8 21 (1.60%) Wireless
9 19 (1.45%) Wi-Fi
10 14 (1.07%) DVB
10 14 (1.07%) SSL
10 14 (1.07%) VPN
11 12 (0.92%) DHCP
11 12 (0.92%) IPv4
11 12 (0.92%) VoIP
11 12 (0.92%) Wireshark
11 12 (0.92%) ZigBee
12 11 (0.84%) WAN
13 10 (0.76%) FTP
Database & Business Intelligence
1 94 (7.18%) Big Data
2 90 (6.87%) SQL Server
3 89 (6.79%) Relational Database
4 70 (5.34%) Hadoop
5 64 (4.89%) NoSQL
6 42 (3.21%) MySQL
7 34 (2.60%) Blockchain
8 27 (2.06%) PostgreSQL
8 27 (2.06%) RDBMS
9 24 (1.83%) SQL Server Integration Services
10 19 (1.45%) Apache Hive
11 16 (1.22%) Data Warehouse
11 16 (1.22%) Oracle Database
12 15 (1.15%) MongoDB
12 15 (1.15%) SQL Server Reporting Services
13 14 (1.07%) SQL Server 2012
14 13 (0.99%) Apache Cassandra
14 13 (0.99%) Oracle Database 11g
14 13 (0.99%) SQL Server 2008
14 13 (0.99%) SQL Server 2016
Development Applications
1 90 (6.87%) Jenkins
2 72 (5.50%) Selenium
3 71 (5.42%) Git (software)
4 55 (4.20%) Atlassian Bamboo
4 55 (4.20%) JIRA
5 49 (3.74%) Subversion
6 44 (3.36%) Cucumber
7 25 (1.91%) Visual Studio
8 22 (1.68%) Buildbot
8 22 (1.68%) Jasmine
8 22 (1.68%) Ranorex
9 21 (1.60%) Appium
9 21 (1.60%) SoapUI
10 19 (1.45%) Gatling
10 19 (1.45%) TeamCity
11 18 (1.37%) WATIR
12 17 (1.30%) JMeter
13 15 (1.15%) JUnit
13 15 (1.15%) Team Foundation Server
14 13 (0.99%) Sonatype Nexus
General
1 434 (33.13%) Finance
2 159 (12.14%) Banking
3 96 (7.33%) Retail
4 71 (5.42%) Investment Banking
5 67 (5.11%) Games
6 57 (4.35%) Telecoms
7 50 (3.82%) Front Office
8 39 (2.98%) Marketing
9 36 (2.75%) Retail Banking
10 35 (2.67%) Advertising
10 35 (2.67%) Legal
11 32 (2.44%) Electronics
12 29 (2.21%) Financial Institution
13 24 (1.83%) Publishing
14 14 (1.07%) Back Office
15 10 (0.76%) Law
16 9 (0.69%) German Language
16 9 (0.69%) Multimedia
17 6 (0.46%) Music Industry
17 6 (0.46%) Online Betting
Job Titles
1 420 (32.06%) Developer
2 145 (11.07%) Software Engineer
3 103 (7.86%) C++ Developer
4 93 (7.10%) Analyst
5 88 (6.72%) Software Developer
6 82 (6.26%) Senior Developer
7 81 (6.18%) Java Developer
8 77 (5.88%) Consultant
9 64 (4.89%) Embedded Engineer
10 56 (4.27%) Architect
11 50 (3.82%) Embedded Software Engineer
11 50 (3.82%) Python Developer
12 47 (3.59%) C# Developer
13 46 (3.51%) C++ Software Engineer
14 45 (3.44%) C Software Engineer
15 41 (3.13%) C Developer
16 38 (2.90%) Project Manager
17 36 (2.75%) C/C++ Software Engineer
17 36 (2.75%) Linux Engineer
18 34 (2.60%) Data Scientist
Libraries, Frameworks & Software Standards
1 154 (11.76%) .NET
2 92 (7.02%) HTML
3 72 (5.50%) CSS
4 65 (4.96%) ASP.NET
4 65 (4.96%) Web Services
5 51 (3.89%) AngularJS
6 49 (3.74%) XML
7 47 (3.59%) HTML5
8 45 (3.44%) REST
9 43 (3.28%) Node.js
10 42 (3.21%) jQuery
11 38 (2.90%) ASP.NET MVC
12 33 (2.52%) RESTful
13 32 (2.44%) .NET Framework
14 30 (2.29%) ASP.NET Web API
14 30 (2.29%) SOAP
15 29 (2.21%) CSS3
16 28 (2.14%) Django
16 28 (2.14%) Natural Language Processing
17 26 (1.98%) Spring
Miscellaneous
1 255 (19.47%) Computer Science
2 125 (9.54%) Analytical Skills
3 110 (8.40%) Algorithms
4 67 (5.11%) Derivative
5 63 (4.81%) Foreign Exchange (FX)
6 60 (4.58%) Data Structures
7 56 (4.27%) Management Information System
8 51 (3.89%) Equities
9 49 (3.74%) Fintech
10 46 (3.51%) Greenfield Project
11 45 (3.44%) Mobile App
12 39 (2.98%) Client/Server
12 39 (2.98%) Enterprise Software
13 29 (2.21%) Field-Programmable Gate Array
13 29 (2.21%) User Experience
14 26 (1.98%) Device Driver
14 26 (1.98%) Embedded Systems
14 26 (1.98%) VHDL
15 23 (1.76%) Cyberthreat
16 21 (1.60%) Virtual Team
Operating Systems
1 433 (33.05%) Linux
2 159 (12.14%) Windows
3 126 (9.62%) Unix
4 82 (6.26%) Android
5 63 (4.81%) Apple iOS
6 22 (1.68%) Windows Server
7 21 (1.60%) Red Hat Enterprise Linux
8 17 (1.30%) Nucleus RTOS
8 17 (1.30%) Windows Phone
9 16 (1.22%) Mac OS X
10 12 (0.92%) Embedded Linux
11 11 (0.84%) Windows 7
12 7 (0.53%) CentOS
12 7 (0.53%) Solaris
13 5 (0.38%) Robot Operating System
13 5 (0.38%) SUSE
13 5 (0.38%) Windows Server 2012
14 4 (0.31%) Ubuntu
15 3 (0.23%) Mac OS
15 3 (0.23%) VMS
Processes & Methodologies
1 375 (28.63%) Agile Software Development
2 241 (18.40%) Software Engineering
3 168 (12.82%) Mathematics
4 166 (12.67%) Continuous Integration
5 154 (11.76%) Test Automation
6 153 (11.68%) Scrum
7 118 (9.01%) Machine Learning
8 115 (8.78%) Multithreading
8 115 (8.78%) Open Source
9 114 (8.70%) TDD
10 105 (8.02%) Project Management
11 104 (7.94%) OO
12 102 (7.79%) DevOps
13 100 (7.63%) Stakeholder Management
14 96 (7.33%) Cybersecurity
15 84 (6.41%) Risk Management
16 82 (6.26%) Analytics
16 82 (6.26%) Low Latency
17 80 (6.11%) Mentoring
18 73 (5.57%) Kanban
Programming Languages
1 636 (48.55%) C++
2 418 (31.91%) Java
3 376 (28.70%) Python
4 302 (23.05%) SQL
5 257 (19.62%) C#
6 169 (12.90%) JavaScript
7 93 (7.10%) Ruby
8 86 (6.56%) Scala
9 75 (5.73%) PHP
10 73 (5.57%) Bash Shell
11 60 (4.58%) Perl
12 59 (4.50%) Embedded C
12 59 (4.50%) Go
13 52 (3.97%) R
14 50 (3.82%) MATLAB
15 46 (3.51%) Embedded C++
16 38 (2.90%) Shell Script
17 36 (2.75%) PowerShell
18 35 (2.67%) Objective-C
19 20 (1.53%) T-SQL
Qualifications
1 311 (23.74%) Degree
2 117 (8.93%) Security Cleared
3 74 (5.65%) DV Cleared
4 65 (4.96%) Computer Science Degree
5 57 (4.35%) SC Cleared
6 48 (3.66%) PhD
7 36 (2.75%) Master's Degree
8 35 (2.67%) GIAC
9 30 (2.29%) CISSP
10 26 (1.98%) GCIH
11 24 (1.83%) SANS
12 19 (1.45%) GCIA
13 14 (1.07%) ISTQB
14 13 (0.99%) CISA
14 13 (0.99%) Cisco Certification
15 12 (0.92%) Microsoft Certification
16 11 (0.84%) CISM
16 11 (0.84%) ISEB
16 11 (0.84%) MCSE
17 10 (0.76%) CIMA
Quality Assurance & Compliance
1 111 (8.47%) QA
2 20 (1.53%) ISO/IEC 27001
3 18 (1.37%) Data Quality
4 15 (1.15%) PCI DSS
5 14 (1.07%) GDPR
5 14 (1.07%) ISO 9001
6 11 (0.84%) PMO
7 8 (0.61%) MISRA
8 7 (0.53%) NEBOSH
8 7 (0.53%) SLA
9 5 (0.38%) GCP
9 5 (0.38%) ISO/IEC 20000
9 5 (0.38%) SSAE 16
10 4 (0.31%) OIPF
10 4 (0.31%) Sarbanes-Oxley
11 3 (0.23%) MiFID
11 3 (0.23%) MISRA C
11 3 (0.23%) Solvency II
12 2 (0.15%) DO-178B
12 2 (0.15%) HMG Security Policy Framework
System Software
1 57 (4.35%) Docker
2 34 (2.60%) Firmware
3 28 (2.14%) Active Directory
3 28 (2.14%) Virtual Machines
4 17 (1.30%) VMware Infrastructure
5 14 (1.07%) VMware ESXi
6 10 (0.76%) HDFS
7 7 (0.53%) vSphere
8 5 (0.38%) Kamailio
9 4 (0.31%) NFS
9 4 (0.31%) Virtual Servers
10 3 (0.23%) Apache Flume
10 3 (0.23%) Hyper-V
10 3 (0.23%) Samba
10 3 (0.23%) VMware NSX
10 3 (0.23%) XenApp
11 2 (0.15%) etcd
11 2 (0.15%) iptables
11 2 (0.15%) Microsoft Virtual Server
12 1 (0.076%) XenServer
Systems Management
1 36 (2.75%) Puppet
2 31 (2.37%) Ansible
3 29 (2.21%) Kubernetes
4 24 (1.83%) Nessus
4 24 (1.83%) Opscode Chef
5 19 (1.45%) CSIRT
5 19 (1.45%) QRadar
6 12 (0.92%) Nagios
6 12 (0.92%) vCenter Server
7 8 (0.61%) Cacti
7 8 (0.61%) HP Quality Center
8 6 (0.46%) Salt
9 5 (0.38%) Nmap
10 4 (0.31%) systemd
11 3 (0.23%) BladeLogic
11 3 (0.23%) Control-M
11 3 (0.23%) SCCM
12 2 (0.15%) Hadoop YARN
12 2 (0.15%) SELinux
12 2 (0.15%) ZABBIX
Vendors
1 128 (9.77%) Microsoft
2 74 (5.65%) Oracle
3 46 (3.51%) Google
4 33 (2.52%) VMware
5 30 (2.29%) Salesforce.com
6 26 (1.98%) Red Hat
7 23 (1.76%) Apple
8 19 (1.45%) BeyondTrust
8 19 (1.45%) Cisco
9 16 (1.22%) Atlassian
10 15 (1.15%) WorldPay
11 14 (1.07%) Monax
12 12 (0.92%) IBM
12 12 (0.92%) Sitecore
13 11 (0.84%) Sun
14 10 (0.76%) HP
14 10 (0.76%) SAP
14 10 (0.76%) ServiceNow
15 9 (0.69%) Sybase
15 9 (0.69%) Tableau