Period
to 15 June 2021

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 6 months to 15 June 2021 with a comparison to the same period in the previous 2 years.

C
Central London > City of London
6 months to
15 Jun 2021
Same period 2020 Same period 2019
Rank 165 146 164
Rank change year-on-year -19 +18 -5
Permanent jobs citing C 69 112 191
As % of all permanent jobs advertised in the City of London 1.33% 1.77% 1.90%
As % of the Programming Languages category 2.14% 3.11% 3.10%
Number of salaries quoted 63 106 157
10th Percentile £40,000 £43,750 £37,000
25th Percentile £47,875 £52,500 £52,500
Median annual salary (50th Percentile) £60,000 £60,000 £67,500
Median % change year-on-year - -11.11% -3.57%
75th Percentile £83,125 £80,000 £92,500
90th Percentile £97,500 £113,750 £100,000
Central London median annual salary £60,000 £65,000 £62,500
% change year-on-year -7.69% +4.00% -10.71%

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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 3,217 3,597 6,171
As % of all permanent IT jobs advertised in the City of London 62.20% 56.74% 61.39%
Number of salaries quoted 2,954 3,223 5,570
10th Percentile £45,000 £43,750 £41,250
25th Percentile £56,250 £52,500 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £90,000 £86,250 £82,500
90th Percentile £107,500 £105,000 £95,575
Central London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +4.00%

C
Job Vacancy Trend in the City of London

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

Job vacancy trend for C in the City of London

C
Salary Trend in the City of London

3-month moving average salary quoted in 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

Salary distribution for jobs citing C in the City of London over the 6 months to 15 June 2021.

Salary histogram for C in the City of London

C
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing C within the City of London region over the 6 months to 15 June 2021. 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
London Bridge - 1 £77,500 -
C
Central London

For the 6 months to 15 June 2021, 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 City of London region with a requirement for C.

1 27 (39.13%) Computer Science
2 25 (36.23%) Agile Software Development
3 21 (30.43%) Python
4 19 (27.54%) Degree
5 18 (26.09%) SQL
6 16 (23.19%) C++
6 16 (23.19%) Test Automation
7 15 (21.74%) QA
8 14 (20.29%) Selenium
8 14 (20.29%) Test Scripting
8 14 (20.29%) Legal
9 13 (18.84%) Finance
9 13 (18.84%) Law
9 13 (18.84%) Software Engineering
9 13 (18.84%) Java
9 13 (18.84%) C#
10 12 (17.39%) SQL Server Integration Services
10 12 (17.39%) Regression Testing
10 12 (17.39%) Ranorex
10 12 (17.39%) DevOps
10 12 (17.39%) Test Planning
10 12 (17.39%) SDLC
11 11 (15.94%) Social Skills
12 10 (14.49%) JavaScript
13 9 (13.04%) Continuous Integration
14 8 (11.59%) Enterprise Architecture
14 8 (11.59%) Windows
14 8 (11.59%) Translating Business Requirements
15 7 (10.14%) Games
15 7 (10.14%) Analytical Skills

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 2 (2.90%) Confluence
1 2 (2.90%) SharePoint
2 1 (1.45%) Apache
2 1 (1.45%) ejabberd
2 1 (1.45%) IIS
2 1 (1.45%) nginx
2 1 (1.45%) Skype for Business
2 1 (1.45%) Tomcat
Applications
1 3 (4.35%) Microsoft Office
2 2 (2.90%) Figma
3 1 (1.45%) Microsoft Excel
3 1 (1.45%) Microsoft PowerPoint
Cloud Services
1 6 (8.70%) Azure
2 5 (7.25%) AWS
3 4 (5.80%) Microsoft 365
4 3 (4.35%) GCP
5 2 (2.90%) BlazeMeter
5 2 (2.90%) Power Platform
6 1 (1.45%) Firebase
6 1 (1.45%) Google Analytics
6 1 (1.45%) Google Data Studio
6 1 (1.45%) Heroku
6 1 (1.45%) PaaS
6 1 (1.45%) Serverless
Communications & Networking
1 2 (2.90%) 2G
1 2 (2.90%) 3G
1 2 (2.90%) 4G
1 2 (2.90%) 5G
1 2 (2.90%) Firewall
1 2 (2.90%) LTE
1 2 (2.90%) MIMO
1 2 (2.90%) PBX
1 2 (2.90%) TCP/IP
1 2 (2.90%) VoLTE
1 2 (2.90%) WAN
2 1 (1.45%) Asterisk PBX
2 1 (1.45%) BGP
2 1 (1.45%) Diameter Protocol
2 1 (1.45%) Internet
2 1 (1.45%) LAN
2 1 (1.45%) Skype
2 1 (1.45%) SNMP
2 1 (1.45%) VPN
2 1 (1.45%) Wireshark
Database & Business Intelligence
1 12 (17.39%) SQL Server Integration Services
2 3 (4.35%) Big Data
2 3 (4.35%) SQL Server
3 2 (2.90%) MS Access
3 2 (2.90%) Oracle Database
3 2 (2.90%) Oracle Database 10g
3 2 (2.90%) Oracle Database 11g
3 2 (2.90%) Power BI
3 2 (2.90%) Relational Database
4 1 (1.45%) Blockchain
4 1 (1.45%) Oracle Reports
4 1 (1.45%) PostgreSQL
4 1 (1.45%) Tableau
Development Applications
1 14 (20.29%) Selenium
2 12 (17.39%) Ranorex
3 5 (7.25%) JIRA
4 4 (5.80%) Cucumber
5 3 (4.35%) GitLab
5 3 (4.35%) LoadRunner
6 2 (2.90%) Appium
6 2 (2.90%) eggPlant
6 2 (2.90%) JMeter
6 2 (2.90%) Postman
6 2 (2.90%) REST Assured
6 2 (2.90%) SoapUI
6 2 (2.90%) SpecFlow
6 2 (2.90%) Spock
6 2 (2.90%) The Grinder
6 2 (2.90%) Visual Studio
7 1 (1.45%) Crashlytics
7 1 (1.45%) Git (software)
7 1 (1.45%) Jenkins
General
1 14 (20.29%) Legal
2 13 (18.84%) Finance
2 13 (18.84%) Law
3 11 (15.94%) Social Skills
4 7 (10.14%) Analytical Skills
4 7 (10.14%) Games
5 6 (8.70%) Advertising
6 3 (4.35%) Electronics
6 3 (4.35%) Retail
7 2 (2.90%) Documentation Skills
7 2 (2.90%) Marketing
8 1 (1.45%) Banking
8 1 (1.45%) Organisational Skills
8 1 (1.45%) Presentation Skills
8 1 (1.45%) Public Sector
Job Titles
1 10 (14.49%) Analyst
2 8 (11.59%) Developer
3 6 (8.70%) QA Analyst
3 6 (8.70%) QA Engineer
3 6 (8.70%) Technical Analyst
4 5 (7.25%) Python Engineer
5 4 (5.80%) Automation Engineer
5 4 (5.80%) Computer Engineer
5 4 (5.80%) Computer Vision Engineer
5 4 (5.80%) Games Engineer
5 4 (5.80%) QA Automation Engineer
5 4 (5.80%) Systems Manager
5 4 (5.80%) Test Automation Engineer
6 3 (4.35%) Applications Engineer
6 3 (4.35%) Consultant
6 3 (4.35%) Full Stack Developer
6 3 (4.35%) Software Engineer
6 3 (4.35%) Test Engineer
7 2 (2.90%) DevOps Developer
7 2 (2.90%) IT Engineer
Libraries, Frameworks & Software Standards
1 6 (8.70%) React
2 4 (5.80%) AngularJS
2 4 (5.80%) Unity (Game Engine)
2 4 (5.80%) Unreal Engine
3 3 (4.35%) Core Data
3 3 (4.35%) HTML
3 3 (4.35%) HTML5
3 3 (4.35%) Middleware
3 3 (4.35%) Reactive Extensions
3 3 (4.35%) REST
3 3 (4.35%) RxCocoa
3 3 (4.35%) RxSwift
3 3 (4.35%) UIKit
4 2 (2.90%) Gherkin
4 2 (2.90%) Redux
4 2 (2.90%) Ruby on Rails
4 2 (2.90%) Spring
4 2 (2.90%) Web Services
5 1 (1.45%) .NET Framework
5 1 (1.45%) XMPP
Miscellaneous
1 6 (8.70%) Video\Live Streaming
2 5 (7.25%) Mobile App
3 4 (5.80%) User Experience
4 2 (2.90%) Algorithms
4 2 (2.90%) Derivative
4 2 (2.90%) Equities
4 2 (2.90%) Private Cloud
4 2 (2.90%) Smartphone
4 2 (2.90%) Video Conferencing
5 1 (1.45%) Data Centre
5 1 (1.45%) Digital Currency
5 1 (1.45%) Embedded Systems
5 1 (1.45%) Foreign Exchange (FX)
5 1 (1.45%) Greenfield Project
5 1 (1.45%) Hedge funds
5 1 (1.45%) Hybrid Cloud
5 1 (1.45%) Linked Data
5 1 (1.45%) Management Information System
5 1 (1.45%) Virtual Team
Operating Systems
1 8 (11.59%) Windows
2 5 (7.25%) Linux
3 3 (4.35%) Android
3 3 (4.35%) Apple iOS
3 3 (4.35%) Windows 10
4 2 (2.90%) Mac OS X
4 2 (2.90%) Windows 7
5 1 (1.45%) Debian
5 1 (1.45%) Unix
Processes & Methodologies
1 27 (39.13%) Computer Science
2 25 (36.23%) Agile Software Development
3 16 (23.19%) Test Automation
4 14 (20.29%) Test Scripting
5 13 (18.84%) Software Engineering
6 12 (17.39%) DevOps
6 12 (17.39%) Regression Testing
6 12 (17.39%) SDLC
6 12 (17.39%) Test Planning
7 9 (13.04%) Continuous Integration
8 8 (11.59%) Enterprise Architecture
8 8 (11.59%) Translating Business Requirements
9 6 (8.70%) Problem-Solving
9 6 (8.70%) Scrum
10 5 (7.25%) BDD
10 5 (7.25%) Machine Learning
11 4 (5.80%) Kanban
11 4 (5.80%) Non-Functional Testing
11 4 (5.80%) Open Source
11 4 (5.80%) Stakeholder Management
Programming Languages
1 21 (30.43%) Python
2 18 (26.09%) SQL
3 16 (23.19%) C++
4 13 (18.84%) C#
4 13 (18.84%) Java
5 10 (14.49%) JavaScript
6 5 (7.25%) Ruby
7 4 (5.80%) Go
7 4 (5.80%) PHP
8 3 (4.35%) Apple Swift
8 3 (4.35%) Bash Shell
9 2 (2.90%) R
9 2 (2.90%) Rust
9 2 (2.90%) VB
9 2 (2.90%) VBScript
10 1 (1.45%) Objective-C
10 1 (1.45%) Perl
10 1 (1.45%) PowerShell
Qualifications
1 19 (27.54%) Degree
2 5 (7.25%) Computer Science Degree
2 5 (7.25%) SC Cleared
2 5 (7.25%) Security Cleared
3 2 (2.90%) CBAP
3 2 (2.90%) ITIL Foundation Certificate
3 2 (2.90%) PhD
4 1 (1.45%) Numerate Degree
Quality Assurance & Compliance
1 15 (21.74%) QA
2 1 (1.45%) Data Quality
System Software
1 3 (4.35%) Active Directory
2 2 (2.90%) Docker
3 1 (1.45%) iptables
3 1 (1.45%) Kamailio
3 1 (1.45%) KVM
3 1 (1.45%) Postfix
3 1 (1.45%) QEMU
Systems Management
1 3 (4.35%) Ansible
1 3 (4.35%) Kubernetes
1 3 (4.35%) Terraform
2 2 (2.90%) Consul
2 2 (2.90%) HP Quality Center
2 2 (2.90%) Packer
2 2 (2.90%) Single Sign-On
2 2 (2.90%) Sysprep
3 1 (1.45%) Galera Cluster
3 1 (1.45%) HAProxy
3 1 (1.45%) Microsoft Intune
3 1 (1.45%) nmon
3 1 (1.45%) Oracle Enterprise Manager
3 1 (1.45%) Puppet
3 1 (1.45%) QRadar
3 1 (1.45%) SCCM
3 1 (1.45%) ZABBIX
Vendors
1 6 (8.70%) Microsoft
2 4 (5.80%) Oracle
3 3 (4.35%) HP
4 2 (2.90%) Apple
4 2 (2.90%) Google
5 1 (1.45%) Broadcom
5 1 (1.45%) Cisco
5 1 (1.45%) EMC
5 1 (1.45%) GENBAND
5 1 (1.45%) Juniper
5 1 (1.45%) Mitel
5 1 (1.45%) Nortel
5 1 (1.45%) Percona
5 1 (1.45%) ServiceNow
5 1 (1.45%) SonicWALL
5 1 (1.45%) Splunk
5 1 (1.45%) Workday