Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
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