The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for C skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited C over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

C
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 142 146 92
Rank change year-on-year +4 -54  
Permanent jobs citing C 91 124 298
As % of all permanent IT jobs advertised in the City of London 1.76% 1.94% 2.93%
As % of the Programming Languages category 3.10% 3.38% 5.62%
Number of salaries quoted 80 113 266
Median salary £70,000 £70,000 £62,500
Median salary % change year-on-year - +12.00%  
90% offered a salary of more than £42,250 £43,000 £37,500
10% offered a salary of more than £97,750 £102,000 £82,500
UK excluding London median salary £44,000 £42,500 £40,000
% change year-on-year +3.52% +6.25%  

C is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for programming language skills.

Programming Language Skills
City of London
Permanent job vacancies with a requirement for programming language skills 2931 3666 5307
As % of all permanent IT job vacancies advertised in the City of London 56.69% 57.36% 52.10%
Number of salaries quoted 2624 3355 4694
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £40,000 £40,000 £37,500
10% offered a salary of more than £90,000 £80,000 £82,500
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

C
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing C as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

Job vacancy trend for C in the City of London

C
Salary Trend in the City of London

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

Salary trend for C in the City of London

C
Salary Histogram in the City of London

The salary distribution of IT jobs citing C in the City of London over the 3 months to 27 June 2017.

Salary histogram for C in the City of London

For the 6 months to 27 June 2017, 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 City of London region with a requirement for C.

1 91 (46.67%) Finance
2 78 (40.00%) C++
3 57 (29.23%) Linux
4 56 (28.72%) Java
5 48 (24.62%) Python
5 48 (24.62%) Degree
6 44 (22.56%) Banking
7 42 (21.54%) SQL
8 41 (21.03%) Agile Software Development
9 39 (20.00%) Windows
10 38 (19.49%) Unix
11 36 (18.46%) SDLC
12 31 (15.90%) C#
13 25 (12.82%) .NET
14 23 (11.79%) Analytical Skills
15 21 (10.77%) HTML
16 20 (10.26%) JavaScript
16 20 (10.26%) Front Office
16 20 (10.26%) Mathematics
17 19 (9.74%) Scrum
17 19 (9.74%) SQL Server
17 19 (9.74%) Microsoft
17 19 (9.74%) Low Latency
17 19 (9.74%) Relational Database
18 17 (8.72%) User Acceptance Testing
19 16 (8.21%) Continuous Integration
19 16 (8.21%) Test Automation
19 16 (8.21%) Open Source
19 16 (8.21%) OO
19 16 (8.21%) Advertising

C
Co-occurring IT Skills in the City of 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 10 (5.13%) JBoss
1 10 (5.13%) Tomcat
1 10 (5.13%) WebLogic
1 10 (5.13%) WebSphere
2 3 (1.54%) Apache
2 3 (1.54%) CMS
2 3 (1.54%) IIS
2 3 (1.54%) SharePoint
3 2 (1.03%) EPiServer
3 2 (1.03%) IPython
3 2 (1.03%) Sitecore CMS
4 1 (0.51%) Alfresco
4 1 (0.51%) Apache Solr
4 1 (0.51%) Confluence
4 1 (0.51%) GlassFish
4 1 (0.51%) IBM Notes
4 1 (0.51%) MS Exchange
4 1 (0.51%) SAS
4 1 (0.51%) Skype for Business
4 1 (0.51%) WildFly
Applications
1 13 (6.67%) Microsoft Excel
2 3 (1.54%) Microsoft Office
2 3 (1.54%) MS Visio
3 2 (1.03%) Microsoft PowerPoint
4 1 (0.51%) Microsoft Project
4 1 (0.51%) SPSS
Business Applications
1 4 (2.05%) Dynamics NAV
2 3 (1.54%) thinkFolio
3 2 (1.03%) Eloqua
3 2 (1.03%) Magento
4 1 (0.51%) Advent Geneva
4 1 (0.51%) Capstone
4 1 (0.51%) Eagle STAR
4 1 (0.51%) HiPortfolio
4 1 (0.51%) ION MarketView
4 1 (0.51%) MultiFonds
4 1 (0.51%) PORTIA
4 1 (0.51%) Raiser's Edge
4 1 (0.51%) SimCorp Dimension
Cloud Services
1 3 (1.54%) Amazon AWS
1 3 (1.54%) Salesforce Sales Cloud
1 3 (1.54%) Taleo
2 2 (1.03%) AdWords
2 2 (1.03%) Google Analytics
2 2 (1.03%) Microsoft Azure
2 2 (1.03%) Office 365
3 1 (0.51%) Cloud Computing
3 1 (0.51%) G Suite
Communications & Networking
1 5 (2.56%) Wireless
2 4 (2.05%) DNS
3 3 (1.54%) DHCP
3 3 (1.54%) HTTP
3 3 (1.54%) Multicast
4 2 (1.03%) Firewall
4 2 (1.03%) NAS
4 2 (1.03%) SAN
4 2 (1.03%) Unified Communications
5 1 (0.51%) Internet
5 1 (0.51%) Intranet
5 1 (0.51%) LAN
5 1 (0.51%) MRTG
5 1 (0.51%) NetScaler
5 1 (0.51%) Network Security
5 1 (0.51%) PBX
5 1 (0.51%) PSTN
5 1 (0.51%) Software-Defined Networking
5 1 (0.51%) TCP/IP
5 1 (0.51%) VoIP
Database & Business Intelligence
1 19 (9.74%) Relational Database
1 19 (9.74%) SQL Server
2 12 (6.15%) NoSQL
3 8 (4.10%) Big Data
4 7 (3.59%) KDB
5 6 (3.08%) MySQL
6 5 (2.56%) Apache Hive
6 5 (2.56%) HAWQ
6 5 (2.56%) Sqoop
6 5 (2.56%) Tick Data
7 4 (2.05%) SQL Server Integration Services
7 4 (2.05%) SQL Server Reporting Services
8 3 (1.54%) Data Warehouse
8 3 (1.54%) MongoDB
8 3 (1.54%) SQL Server Analysis Services
9 2 (1.03%) BusinessObjects
9 2 (1.03%) Couchbase
9 2 (1.03%) Data Mining
10 1 (0.51%) SQL Server 2012
10 1 (0.51%) SSDT
Development Applications
1 13 (6.67%) Jenkins
2 11 (5.64%) Selenium
3 10 (5.13%) Cucumber
4 9 (4.62%) Atlassian Bamboo
4 9 (4.62%) Gatling
5 4 (2.05%) Git (software)
5 4 (2.05%) JIRA
6 3 (1.54%) Visual Studio
7 2 (1.03%) Bower
7 2 (1.03%) git-flow
7 2 (1.03%) gulp
7 2 (1.03%) Karma Test Runner
7 2 (1.03%) Maven
7 2 (1.03%) Mocha
7 2 (1.03%) Octopus Deploy
7 2 (1.03%) Protractor
7 2 (1.03%) Sinon.JS
7 2 (1.03%) Team Foundation Server
7 2 (1.03%) TeamCity
8 1 (0.51%) Vagrant
General
1 91 (46.67%) Finance
2 44 (22.56%) Banking
3 20 (10.26%) Front Office
4 16 (8.21%) Advertising
5 13 (6.67%) Games
6 12 (6.15%) Retail
7 11 (5.64%) Investment Banking
8 4 (2.05%) Marketing
9 3 (1.54%) Law
9 3 (1.54%) Legal
10 2 (1.03%) Back Office
10 2 (1.03%) International Banking
11 1 (0.51%) Electronics
11 1 (0.51%) Manufacturing
11 1 (0.51%) Publishing
11 1 (0.51%) Retail Banking
11 1 (0.51%) Telecoms
Job Titles
1 67 (34.36%) Developer
2 27 (13.85%) C++ Developer
3 25 (12.82%) Architect
4 17 (8.72%) Consultant
5 15 (7.69%) Analyst
6 12 (6.15%) Enterprise Architect
7 11 (5.64%) C Developer
7 11 (5.64%) Solutions Architect
7 11 (5.64%) Team Leader
8 9 (4.62%) Compliance Consultant
8 9 (4.62%) Implementation Consultant
8 9 (4.62%) Technical Consultant
8 9 (4.62%) Technical Implementation Consultant
9 8 (4.10%) Software Developer
10 7 (3.59%) Java Developer
10 7 (3.59%) Senior Developer
10 7 (3.59%) Senior Manager
10 7 (3.59%) Test Automation Engineer
10 7 (3.59%) Test Engineer
10 7 (3.59%) Test Leader
Libraries, Frameworks & Software Standards
1 25 (12.82%) .NET
2 21 (10.77%) HTML
3 13 (6.67%) .NET Framework
3 13 (6.67%) Spring
4 9 (4.62%) JMS
5 8 (4.10%) CSS
6 6 (3.08%) Kafka
6 6 (3.08%) RESTful
7 5 (2.56%) AngularJS
7 5 (2.56%) jQuery
7 5 (2.56%) REST
8 4 (2.05%) ASP.NET Web API
8 4 (2.05%) Boost C++ Libraries
8 4 (2.05%) Middleware
8 4 (2.05%) Pthreads
8 4 (2.05%) WCF
8 4 (2.05%) XML
9 3 (1.54%) Pandas
9 3 (1.54%) SOAP
9 3 (1.54%) Twitter Bootstrap
Miscellaneous
1 23 (11.79%) Analytical Skills
2 15 (7.69%) Fintech
3 14 (7.18%) Computer Science
4 13 (6.67%) Algorithms
5 11 (5.64%) Fixed Income
6 8 (4.10%) Data Structures
7 7 (3.59%) Greenfield Project
7 7 (3.59%) Management Information System
8 5 (2.56%) Data Centre
8 5 (2.56%) Foreign Exchange (FX)
9 4 (2.05%) Equities
9 4 (2.05%) Online Games
10 3 (1.54%) Linked Data
10 3 (1.54%) Mobile App
10 3 (1.54%) User Experience
11 2 (1.03%) Animation
11 2 (1.03%) Cloud Native
11 2 (1.03%) Clustering
11 2 (1.03%) Hedge funds
12 1 (0.51%) Grid Computing
Operating Systems
1 57 (29.23%) Linux
2 39 (20.00%) Windows
3 38 (19.49%) Unix
4 4 (2.05%) Red Hat Enterprise Linux
5 3 (1.54%) Apple iOS
5 3 (1.54%) CentOS
5 3 (1.54%) Solaris
5 3 (1.54%) Windows Server
6 2 (1.03%) Android
6 2 (1.03%) Windows Server 2012
7 1 (0.51%) Debian
7 1 (0.51%) Fedora
7 1 (0.51%) FreeBSD
7 1 (0.51%) Mac OS X
7 1 (0.51%) NetWare
7 1 (0.51%) SUSE
7 1 (0.51%) Ubuntu
7 1 (0.51%) Windows 7
7 1 (0.51%) Windows Server 2008
Processes & Methodologies
1 41 (21.03%) Agile Software Development
2 36 (18.46%) SDLC
3 20 (10.26%) Mathematics
4 19 (9.74%) Low Latency
4 19 (9.74%) Scrum
5 17 (8.72%) User Acceptance Testing
6 16 (8.21%) Continuous Integration
6 16 (8.21%) Mentoring
6 16 (8.21%) OO
6 16 (8.21%) Open Source
6 16 (8.21%) Stakeholder Management
6 16 (8.21%) Test Automation
6 16 (8.21%) TOGAF
7 15 (7.69%) Configuration Management
7 15 (7.69%) Line Management
7 15 (7.69%) Microservices
8 14 (7.18%) Multithreading
9 13 (6.67%) Enterprise Architecture
10 12 (6.15%) E-Commerce
10 12 (6.15%) Physics
Programming Languages
1 78 (40.00%) C++
2 56 (28.72%) Java
3 48 (24.62%) Python
4 42 (21.54%) SQL
5 31 (15.90%) C#
6 20 (10.26%) JavaScript
7 12 (6.15%) Ruby
8 9 (4.62%) Perl
9 7 (3.59%) VBA
10 6 (3.08%) PHP
11 5 (2.56%) F#
11 5 (2.56%) Lingo
12 3 (1.54%) Apex Code
12 3 (1.54%) Haskell
12 3 (1.54%) Objective-C
12 3 (1.54%) Scala
13 2 (1.03%) Apple Swift
13 2 (1.03%) Go
14 1 (0.51%) ML
14 1 (0.51%) VB
Qualifications
1 48 (24.62%) Degree
2 11 (5.64%) PhD
3 10 (5.13%) Security Cleared
4 9 (4.62%) ISEB
4 9 (4.62%) ISTQB
5 8 (4.10%) Numerate Degree
6 6 (3.08%) Computer Science Degree
7 5 (2.56%) Postgraduate
8 4 (2.05%) CISA
8 4 (2.05%) CISM
8 4 (2.05%) CISSP
8 4 (2.05%) CRISC
9 2 (1.03%) ITIL Certification
9 2 (1.03%) MCSE
9 2 (1.03%) Microsoft Certification
9 2 (1.03%) Six Sigma Master Black Belt
9 2 (1.03%) VERITAS Certified Professional (VCP)
9 2 (1.03%) VMware Certified Professional (VCP)
10 1 (0.51%) MCSA
10 1 (0.51%) RHCE
Quality Assurance & Compliance
1 9 (4.62%) QA
2 3 (1.54%) ISO/IEC 27001
3 2 (1.03%) Data Quality
3 2 (1.03%) PMO
4 1 (0.51%) COBIT
4 1 (0.51%) SLA
System Software
1 6 (3.08%) Docker
2 5 (2.56%) Apache Flume
2 5 (2.56%) Firmware
2 5 (2.56%) HDFS
2 5 (2.56%) Virtual Servers
3 4 (2.05%) Active Directory
3 4 (2.05%) Microsoft Virtual Server
4 3 (1.54%) VMware Infrastructure
5 2 (1.03%) Apache ZooKeeper
5 2 (1.03%) Veritas Cluster Server
5 2 (1.03%) XenApp
6 1 (0.51%) Hyper-V
6 1 (0.51%) Postfix
6 1 (0.51%) PowerDNS
6 1 (0.51%) Shibboleth
6 1 (0.51%) Virtual Machines
6 1 (0.51%) vSphere
6 1 (0.51%) Xen
6 1 (0.51%) XenDesktop
6 1 (0.51%) XenServer
Systems Management
1 5 (2.56%) Puppet
2 2 (1.03%) Ansible
2 2 (1.03%) Nagios
2 2 (1.03%) Opscode Chef
3 1 (0.51%) EMC VPLEX
3 1 (0.51%) Mesos
3 1 (0.51%) Munin
3 1 (0.51%) Nessus
3 1 (0.51%) NetIQ Identity Manager
3 1 (0.51%) Simpana
Vendors
1 19 (9.74%) Microsoft
2 15 (7.69%) Oracle
3 12 (6.15%) IBM
4 5 (2.56%) VMware
5 4 (2.05%) Google
5 4 (2.05%) Red Hat
6 3 (1.54%) Charles River
6 3 (1.54%) Salesforce.com
7 2 (1.03%) Apple
7 2 (1.03%) Cadence
7 2 (1.03%) Cisco
7 2 (1.03%) Citrix
7 2 (1.03%) Informatica
7 2 (1.03%) Marketo
7 2 (1.03%) NetApp
7 2 (1.03%) Sitecore
7 2 (1.03%) Sybase
7 2 (1.03%) Tableau
7 2 (1.03%) Veritas
8 1 (0.51%) New Relic
City, London
Pioneer Search
Salary: £30000 - £50000 per annum
Posted: 15 hours ago
City, London
Client Server
Salary: £60k to £70k + bonus + benefits
Posted: Yesterday
City of London
Anderson Frank
Posted: 18 hours ago
City of London
Nigel Frank International
Salary: £85000 - £90000 per annum + benefits!
Posted: 15 hours ago
City, London
TEKsystems
Salary: £90000 - £120000 per annum
Posted: 3 days ago
City, London
TEKsystems
Salary: £60000 - £140000 per annum + bonus and pension
Posted: 3 days ago
City, London
Client Server
Salary: £70k to £80k + bonus + benefits
Posted: 6 days ago
City, London
Big Wednesday Digital Ltd
Salary: £55000 - £95000 per annum
Posted: 3 days ago
City, London
Sogeti
Salary: Competitive salary + benefits
Posted: 4 days ago
City, London
Talent Point Ltd
Salary: £70000.00 - £100000.00 per annum
Posted: 3 days ago
City, London
Talent Point Ltd
Salary: £80000 - £110000 per annum
Posted: 3 days ago
City, London
TradingHub
Salary: Unspecified Competitive
Posted: 18 days ago
City, London
I3
Salary: £85000 - £95000 per annum + Bonus + Bens
Posted: 5 days ago
City, London
ANSON MCCADE
Salary: £75,000 - £110,000
Posted: 4 days ago
City of London
Deerfoot IT Resources Ltd
Salary: £65000 - £70000 per annum + Banking bonus
Posted: 26 days ago