Period
to 17 September 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 17 September 2021 with a comparison to the same period in the previous 2 years.

C
Central London > City of London
6 months to
17 Sep 2021
Same period 2020 Same period 2019
Rank 167 166 182
Rank change year-on-year -1 +16 +10
Permanent jobs citing C 86 35 167
As % of all permanent jobs advertised in the City of London 1.46% 0.88% 1.65%
As % of the Programming Languages category 2.44% 1.45% 2.71%
Number of salaries quoted 80 34 138
10th Percentile £45,900 £46,125 £43,525
25th Percentile £49,688 £50,780 £52,500
Median annual salary (50th Percentile) £62,500 £60,000 £67,500
Median % change year-on-year +4.17% -11.11% +12.50%
75th Percentile £95,625 £93,750 £85,000
90th Percentile £116,000 £116,875 £101,250
Central London median annual salary £67,500 £63,750 £62,500
% change year-on-year +5.88% +2.00% -7.41%

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 3,527 2,419 6,166
As % of all permanent IT jobs advertised in the City of London 59.89% 60.76% 60.87%
Number of salaries quoted 3,176 2,129 5,509
10th Percentile £46,250 £45,000 £42,500
25th Percentile £56,250 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +7.69%
75th Percentile £95,000 £87,500 £83,750
90th Percentile £107,875 £107,500 £97,500
Central London median annual salary £75,000 £70,000 £67,500
% change year-on-year +7.14% +3.70% +3.85%

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 17 September 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 17 September 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 17 September 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 38 (44.19%) Agile Software Development
2 33 (38.37%) Python
3 30 (34.88%) C++
4 28 (32.56%) C#
5 27 (31.40%) SQL
6 25 (29.07%) Degree
7 21 (24.42%) Java
8 20 (23.26%) JavaScript
8 20 (23.26%) Finance
8 20 (23.26%) Computer Science
8 20 (23.26%) QA
9 19 (22.09%) Test Automation
10 17 (19.77%) SDLC
11 15 (17.44%) DevOps
12 14 (16.28%) Test Scripting
12 14 (16.28%) Banking
13 12 (13.95%) Legal
13 12 (13.95%) Selenium
13 12 (13.95%) Azure
13 12 (13.95%) AWS
14 11 (12.79%) Enterprise Architecture
14 11 (12.79%) Law
14 11 (12.79%) Regression Testing
14 11 (12.79%) .NET
14 11 (12.79%) Test Planning
14 11 (12.79%) Kubernetes
15 10 (11.63%) Translating Business Requirements
15 10 (11.63%) GCP
15 10 (11.63%) Ranorex
15 10 (11.63%) Social 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 6 (6.98%) Confluence
2 5 (5.81%) IBM HTTP Server
3 3 (3.49%) SharePoint
4 1 (1.16%) Apache
4 1 (1.16%) Apache Spark
4 1 (1.16%) ejabberd
4 1 (1.16%) IIS
4 1 (1.16%) nginx
4 1 (1.16%) Skype for Business
4 1 (1.16%) Tomcat
4 1 (1.16%) WebSphere
Applications
1 5 (5.81%) Microsoft Excel
2 3 (3.49%) MS Visio
3 2 (2.33%) Microsoft Office
4 1 (1.16%) Figma
Business Applications
1 2 (2.33%) Dynamics CRM
1 2 (2.33%) Dynamics GP
Cloud Services
1 12 (13.95%) AWS
1 12 (13.95%) Azure
2 10 (11.63%) GCP
3 6 (6.98%) Serverless
4 5 (5.81%) Microsoft 365
5 3 (3.49%) BlazeMeter
5 3 (3.49%) Lucidchart
5 3 (3.49%) SaaS
6 2 (2.33%) Azure Functions
6 2 (2.33%) Azure Service Bus
7 1 (1.16%) Azure Active Directory
7 1 (1.16%) Google Analytics
7 1 (1.16%) Google Tag Manager
7 1 (1.16%) OneDrive
7 1 (1.16%) Power Platform
Communications & Networking
1 2 (2.33%) Firewall
1 2 (2.33%) HTTP
1 2 (2.33%) PBX
2 1 (1.16%) Asterisk PBX
2 1 (1.16%) BGP
2 1 (1.16%) Bluetooth
2 1 (1.16%) Diameter Protocol
2 1 (1.16%) Internet
2 1 (1.16%) LAN
2 1 (1.16%) MQTT
2 1 (1.16%) RS-485
2 1 (1.16%) Skype
2 1 (1.16%) SNMP
2 1 (1.16%) SSL
2 1 (1.16%) TCP/IP
2 1 (1.16%) VPN
2 1 (1.16%) WAN
2 1 (1.16%) Wi-Fi
2 1 (1.16%) Wireshark
Database & Business Intelligence
1 10 (11.63%) SQL Server
1 10 (11.63%) SQL Server Integration Services
2 8 (9.30%) Relational Database
3 4 (4.65%) Big Data
3 4 (4.65%) MS Access
4 3 (3.49%) Amazon DynamoDB
4 3 (3.49%) NoSQL
4 3 (3.49%) Oracle Database
4 3 (3.49%) Oracle Database 10g
4 3 (3.49%) Oracle Database 11g
4 3 (3.49%) PostgreSQL
5 2 (2.33%) Azure SQL Database
6 1 (1.16%) Blockchain
6 1 (1.16%) Data Warehouse
6 1 (1.16%) Hadoop
6 1 (1.16%) Looker
6 1 (1.16%) MySQL
6 1 (1.16%) Oracle Reports
6 1 (1.16%) Power BI
6 1 (1.16%) Tableau
Development Applications
1 12 (13.95%) Selenium
2 10 (11.63%) JIRA
2 10 (11.63%) Ranorex
3 5 (5.81%) Cucumber
4 4 (4.65%) LoadRunner
4 4 (4.65%) Postman
5 3 (3.49%) eggPlant
5 3 (3.49%) JMeter
5 3 (3.49%) REST Assured
5 3 (3.49%) SoapUI
5 3 (3.49%) SonarQube
5 3 (3.49%) The Grinder
6 2 (2.33%) Appium
6 2 (2.33%) SpecFlow
6 2 (2.33%) Spock
7 1 (1.16%) Burp Suite
7 1 (1.16%) CMake
7 1 (1.16%) GitLab
7 1 (1.16%) Jenkins
7 1 (1.16%) TestCafe
General
1 20 (23.26%) Finance
2 14 (16.28%) Banking
3 12 (13.95%) Legal
4 11 (12.79%) Law
5 10 (11.63%) Social Skills
6 9 (10.47%) Analytical Skills
7 8 (9.30%) Advertising
8 6 (6.98%) Front Office
9 5 (5.81%) Games
9 5 (5.81%) Inclusion and Diversity
9 5 (5.81%) Investment Banking
10 4 (4.65%) Organisational Skills
11 3 (3.49%) Marketing
12 2 (2.33%) Presentation Skills
12 2 (2.33%) Publishing
13 1 (1.16%) Documentation Skills
13 1 (1.16%) Public Sector
13 1 (1.16%) Retail
Job Titles
1 14 (16.28%) Developer
2 12 (13.95%) QA Engineer
3 10 (11.63%) Automation Engineer
3 10 (11.63%) QA Automation Engineer
4 8 (9.30%) Technical Leader
5 7 (8.14%) Analyst
6 6 (6.98%) Python Engineer
7 5 (5.81%) C++ Developer
7 5 (5.81%) Investment Banking C++ Developer
7 5 (5.81%) Python Developer
7 5 (5.81%) Test Automation Engineer
8 4 (4.65%) Business Analyst
8 4 (4.65%) Computer Engineer
8 4 (4.65%) Consultant
8 4 (4.65%) Games Engineer
8 4 (4.65%) Insurance Business Analyst
8 4 (4.65%) Penetration Tester
8 4 (4.65%) Systems Manager
8 4 (4.65%) Test Engineer
8 4 (4.65%) Tester
Libraries, Frameworks & Software Standards
1 11 (12.79%) .NET
2 9 (10.47%) React
3 6 (6.98%) AngularJS
3 6 (6.98%) ASP.NET
3 6 (6.98%) HTML
4 5 (5.81%) Middleware
5 4 (4.65%) CSS
5 4 (4.65%) Unity (Game Engine)
5 4 (4.65%) Unreal Engine
6 3 (3.49%) Gherkin
6 3 (3.49%) HTML5
7 2 (2.33%) .NET Core
7 2 (2.33%) .NET Framework
7 2 (2.33%) ASP.NET Web API
7 2 (2.33%) Entity Framework
7 2 (2.33%) JSON
7 2 (2.33%) Node.js
7 2 (2.33%) Spring
7 2 (2.33%) Twitter Bootstrap
7 2 (2.33%) XML
Miscellaneous
1 8 (9.30%) Algorithms
2 7 (8.14%) Derivative
3 6 (6.98%) Data Structures
3 6 (6.98%) Video\Live Streaming
4 5 (5.81%) Cloud Native
4 5 (5.81%) User Experience
5 3 (3.49%) Management Information System
6 2 (2.33%) Equities
6 2 (2.33%) Greenfield Project
6 2 (2.33%) Hybrid Cloud
7 1 (1.16%) Data Centre
7 1 (1.16%) Digital Currency
7 1 (1.16%) Foreign Exchange (FX)
7 1 (1.16%) Hedge funds
7 1 (1.16%) Life Science
7 1 (1.16%) Reinsurance
7 1 (1.16%) Self-Motivation
7 1 (1.16%) Video Conferencing
Operating Systems
1 8 (9.30%) Linux
2 6 (6.98%) Windows
3 3 (3.49%) Windows 10
4 1 (1.16%) Debian
4 1 (1.16%) Mac OS X
4 1 (1.16%) Unix
4 1 (1.16%) Windows 7
Processes & Methodologies
1 38 (44.19%) Agile Software Development
2 20 (23.26%) Computer Science
3 19 (22.09%) Test Automation
4 17 (19.77%) SDLC
5 15 (17.44%) DevOps
6 14 (16.28%) Test Scripting
7 11 (12.79%) Enterprise Architecture
7 11 (12.79%) Regression Testing
7 11 (12.79%) Test Planning
8 10 (11.63%) Translating Business Requirements
9 8 (9.30%) Microservices
9 8 (9.30%) Project Delivery
9 8 (9.30%) Software Engineering
10 7 (8.14%) Analytics
10 7 (8.14%) Manual Testing
10 7 (8.14%) Mathematics
10 7 (8.14%) Problem-Solving
11 6 (6.98%) Continuous Improvement
11 6 (6.98%) Requirements Gathering
11 6 (6.98%) Technical Leadership
Programming Languages
1 33 (38.37%) Python
2 30 (34.88%) C++
3 28 (32.56%) C#
4 27 (31.40%) SQL
5 21 (24.42%) Java
6 20 (23.26%) JavaScript
7 8 (9.30%) Go
8 6 (6.98%) Scala
9 5 (5.81%) Rust
10 4 (4.65%) Perl
10 4 (4.65%) VBScript
11 3 (3.49%) PHP
11 3 (3.49%) Shell Script
12 2 (2.33%) PowerShell
12 2 (2.33%) R
12 2 (2.33%) TypeScript
12 2 (2.33%) VB
13 1 (1.16%) Bash Shell
13 1 (1.16%) Korn
13 1 (1.16%) Ruby
Qualifications
1 25 (29.07%) Degree
2 8 (9.30%) Master's Degree
3 4 (4.65%) CBAP
3 4 (4.65%) SC Cleared
3 4 (4.65%) Security Cleared
4 3 (3.49%) CREST Certified
4 3 (3.49%) OSCP
5 2 (2.33%) PhD
6 1 (1.16%) CEH
6 1 (1.16%) CISA
6 1 (1.16%) CISSP
6 1 (1.16%) Computer Science Degree
6 1 (1.16%) EC-Council LPT
6 1 (1.16%) ECSA
6 1 (1.16%) ITIL Foundation Certificate
6 1 (1.16%) SANS
Quality Assurance & Compliance
1 20 (23.26%) QA
2 4 (4.65%) PCI DSS
3 1 (1.16%) HIPAA
3 1 (1.16%) ISO 15022
3 1 (1.16%) ISO 20022
3 1 (1.16%) ISO/IEC 27001
3 1 (1.16%) Sarbanes-Oxley
System Software
1 7 (8.14%) Docker
2 3 (3.49%) Active Directory
3 2 (2.33%) Firmware
4 1 (1.16%) BitLocker
4 1 (1.16%) iptables
4 1 (1.16%) Kamailio
4 1 (1.16%) KVM
4 1 (1.16%) Postfix
4 1 (1.16%) QEMU
Systems Management
1 11 (12.79%) Kubernetes
2 3 (3.49%) HP Quality Center
3 2 (2.33%) Consul
3 2 (2.33%) Microsoft Intune
3 2 (2.33%) Packer
4 1 (1.16%) Ansible
4 1 (1.16%) Galera Cluster
4 1 (1.16%) HAProxy
4 1 (1.16%) HP Fortify
4 1 (1.16%) Nessus
4 1 (1.16%) nmon
4 1 (1.16%) Puppet
4 1 (1.16%) QRadar
4 1 (1.16%) SCCM
4 1 (1.16%) Single Sign-On
4 1 (1.16%) Sysprep
4 1 (1.16%) Terraform
4 1 (1.16%) WebInspect
4 1 (1.16%) WMI
4 1 (1.16%) ZABBIX
Vendors
1 10 (11.63%) Microsoft
2 9 (10.47%) Oracle
3 4 (4.65%) HP
4 3 (3.49%) Google
5 1 (1.16%) Apple
5 1 (1.16%) Cisco
5 1 (1.16%) GENBAND
5 1 (1.16%) IBM
5 1 (1.16%) Juniper
5 1 (1.16%) McAfee
5 1 (1.16%) Mitel
5 1 (1.16%) Nortel
5 1 (1.16%) Pardot
5 1 (1.16%) Percona
5 1 (1.16%) Qualys
5 1 (1.16%) Sage
5 1 (1.16%) Salesforce.com
5 1 (1.16%) SonicWALL
5 1 (1.16%) Splunk
5 1 (1.16%) Zscaler