Period
to 19 January 2019

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 19 January 2019 with a comparison to the same period in the previous 2 years.

C
England > London
6 months to
19 Jan 2019
Same period 2018 Same period 2017
Rank 162 186 133
Rank change year-on-year +24 -53 +1
Permanent jobs citing C 1,392 1,325 1,746
As % of all permanent IT jobs advertised in London 2.22% 1.88% 2.47%
As % of the Programming Languages category 3.89% 3.41% 4.53%
Number of salaries quoted 1,112 969 1,379
London median annual salary £65,000 £60,000 £65,000
Median salary % change year-on-year +8.33% -7.69% +8.33%
10th Percentile £37,500 £36,250 £34,500
90th Percentile £102,500 £95,000 £108,750
England median annual salary £50,000 £50,000 £48,500
% change year-on-year - +3.09% +2.11%

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 35,793 38,834 38,582
As % of all permanent IT jobs advertised in London 57.18% 55.24% 54.58%
Number of salaries quoted 29,961 31,781 33,790
London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% +4.55%
10th Percentile £37,500 £36,250 £35,000
90th Percentile £95,000 £90,000 £87,500
England median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +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 19 January 2019.

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 19 January 2019. 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 -9 205 £70,000 +3.70% 71
West London +57 103 £52,500 -2.78% 63
South London +8 41 £65,000 +62.50% 12
East London +1 9 £60,000 +20.00% 16
North London +11 3 £42,500 - 4
C
England

For the 6 months to 19 January 2019, 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 London region with a requirement for C.

1 564 (40.52%) Python
2 519 (37.28%) C++
3 484 (34.77%) Java
4 382 (27.44%) Agile Software Development
5 345 (24.78%) Degree
6 313 (22.49%) Finance
7 304 (21.84%) C#
8 287 (20.62%) Software Engineering
9 255 (18.32%) Linux
10 241 (17.31%) Computer Science
11 238 (17.10%) Machine Learning
12 202 (14.51%) SQL
13 183 (13.15%) Amazon AWS
14 181 (13.00%) JavaScript
15 179 (12.86%) DevOps
16 168 (12.07%) Windows
17 158 (11.35%) Banking
18 149 (10.70%) Security Cleared
18 149 (10.70%) Analytical Skills
18 149 (10.70%) Analytics
19 146 (10.49%) Microsoft Azure
20 143 (10.27%) Go
21 138 (9.91%) Problem-Solving
21 138 (9.91%) Git (software)
22 134 (9.63%) Test Automation
23 128 (9.20%) Ruby
24 118 (8.48%) Data Science
25 117 (8.41%) Docker
26 115 (8.26%) Computer Science Degree
26 115 (8.26%) Microsoft

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 45 (3.23%) Apache Spark
2 41 (2.95%) Confluence
3 40 (2.87%) Apache
4 33 (2.37%) Elasticsearch
4 33 (2.37%) IIS
4 33 (2.37%) SharePoint
5 31 (2.23%) Tomcat
6 29 (2.08%) MS Exchange
7 17 (1.22%) Ethereum
8 15 (1.08%) GlassFish
9 14 (1.01%) SharePoint 2013
10 10 (0.72%) SAS
11 9 (0.65%) OpenStack
11 9 (0.65%) WebSphere
12 8 (0.57%) Apache Pig
12 8 (0.57%) Skype for Business
12 8 (0.57%) WebSphere Application Server
13 6 (0.43%) CMS
14 5 (0.36%) Moodle
15 3 (0.22%) EPiServer
Applications
1 46 (3.30%) Microsoft Office
1 46 (3.30%) Microsoft PowerPoint
2 26 (1.87%) Microsoft Excel
3 25 (1.80%) Microsoft Project
4 21 (1.51%) MS Visio
5 12 (0.86%) Snapchat
6 7 (0.50%) Photoshop
7 5 (0.36%) Adobe Illustrator
8 4 (0.29%) AutoCAD
8 4 (0.29%) Maya
9 3 (0.22%) 3ds Max
9 3 (0.22%) Adobe Creative Suite
9 3 (0.22%) InVision
10 2 (0.14%) Adobe After Effects
10 2 (0.14%) Flinto
10 2 (0.14%) Spreadsheet
10 2 (0.14%) SPSS
10 2 (0.14%) UXPin
11 1 (0.072%) OmniGraffle
11 1 (0.072%) Revit
Business Applications
1 26 (1.87%) Dynamics CRM
2 13 (0.93%) Distributed Ledger
3 8 (0.57%) R3 Corda
3 8 (0.57%) Ripple
4 7 (0.50%) LatentZero
4 7 (0.50%) thinkFolio
5 6 (0.43%) Dynamics NAV
6 2 (0.14%) Dynamics AX
6 2 (0.14%) Salesforce.com CRM
6 2 (0.14%) SAP S/4HANA
7 1 (0.072%) Oracle Financials
7 1 (0.072%) Primavera
7 1 (0.072%) SAP CRM
7 1 (0.072%) SAP Hybris
7 1 (0.072%) Workday HCM
Cloud Services
1 183 (13.15%) Amazon AWS
2 146 (10.49%) Microsoft Azure
3 70 (5.03%) Google Cloud Platform
4 66 (4.74%) Office 365
5 37 (2.66%) GitHub
6 34 (2.44%) SaaS
7 27 (1.94%) IaaS
8 24 (1.72%) Cloud Computing
9 23 (1.65%) Dynamics 365
9 23 (1.65%) PaaS
10 13 (0.93%) Serverless
11 10 (0.72%) G Suite
11 10 (0.72%) iTunes
12 8 (0.57%) Azure Data Factory
12 8 (0.57%) Slack
13 7 (0.50%) OpenShift
14 6 (0.43%) Force.com
14 6 (0.43%) Salesforce Sales Cloud
15 4 (0.29%) AWS CloudFormation
15 4 (0.29%) Heroku
Communications & Networking
1 68 (4.89%) Firewall
2 57 (4.09%) Internet
3 38 (2.73%) TCP/IP
4 37 (2.66%) Wireless
5 32 (2.30%) SAN
6 31 (2.23%) WebEx
7 30 (2.16%) LAN
8 27 (1.94%) DNS
9 26 (1.87%) WAN
10 24 (1.72%) Intrusion Detection
11 18 (1.29%) HTTP
11 18 (1.29%) SSL
12 17 (1.22%) Bluetooth
12 17 (1.22%) SMTP
13 16 (1.15%) VPN
14 15 (1.08%) Multicast
15 14 (1.01%) Network Security
16 12 (0.86%) VoIP
17 11 (0.79%) Wireshark
18 9 (0.65%) VLAN
Database & Business Intelligence
1 69 (4.96%) SQL Server
2 68 (4.89%) Big Data
3 57 (4.09%) Hadoop
4 46 (3.30%) Blockchain
5 43 (3.09%) MongoDB
6 38 (2.73%) Apache Cassandra
7 36 (2.59%) NoSQL
8 33 (2.37%) PostgreSQL
8 33 (2.37%) Relational Database
9 26 (1.87%) MySQL
10 25 (1.80%) Data Warehouse
11 17 (1.22%) KDB
12 16 (1.15%) Kdb+
12 16 (1.15%) SQL Server 2012
13 14 (1.01%) HBase
14 13 (0.93%) Azure SQL Database
15 11 (0.79%) Data Mining
15 11 (0.79%) DB2
16 9 (0.65%) GIS
16 9 (0.65%) Oracle Database
Development Applications
1 138 (9.91%) Git (software)
2 113 (8.12%) JIRA
3 105 (7.54%) Jenkins
4 56 (4.02%) Selenium
5 47 (3.38%) Maven
6 41 (2.95%) Team Foundation Server
7 40 (2.87%) Atlassian Bamboo
8 37 (2.66%) Visual Studio
9 25 (1.80%) Cucumber
10 23 (1.65%) Bitbucket
10 23 (1.65%) SoapUI
11 20 (1.44%) TeamCity
12 18 (1.29%) JUnit
13 17 (1.22%) Gradle
13 17 (1.22%) Hudson
14 16 (1.15%) Octopus Deploy
15 13 (0.93%) git-flow
15 13 (0.93%) MSBuild
15 13 (0.93%) Vagrant
15 13 (0.93%) WATIR
General
1 313 (22.49%) Finance
2 158 (11.35%) Banking
3 57 (4.09%) Marketing
4 49 (3.52%) Retail
5 48 (3.45%) Games
6 41 (2.95%) Electronics
7 33 (2.37%) Front Office
8 27 (1.94%) Telecoms
9 23 (1.65%) Publishing
10 22 (1.58%) Law
11 19 (1.36%) Manufacturing
12 16 (1.15%) Back Office
12 16 (1.15%) Investment Banking
13 15 (1.08%) Legal
14 14 (1.01%) Advertising
15 9 (0.65%) Retail Banking
16 7 (0.50%) German Language
17 6 (0.43%) Financial Institution
18 5 (0.36%) Pharmaceutical
19 3 (0.22%) Billing
Job Titles
1 293 (21.05%) Developer
2 170 (12.21%) Software Engineer
3 110 (7.90%) Architect
4 101 (7.26%) Analyst
5 68 (4.89%) Software Developer
6 67 (4.81%) Test Engineer
7 66 (4.74%) Consultant
7 66 (4.74%) Data Scientist
8 63 (4.53%) Senior Developer
9 61 (4.38%) Embedded Engineer
10 56 (4.02%) Java Developer
11 47 (3.38%) C++ Developer
11 47 (3.38%) Embedded Software Engineer
11 47 (3.38%) Project Manager
12 46 (3.30%) Senior Software Engineer
13 42 (3.02%) DevOps Engineer
14 40 (2.87%) Python Developer
15 38 (2.73%) Python Engineer
16 36 (2.59%) Azure Architect
16 36 (2.59%) Cloud Architect
Libraries, Frameworks & Software Standards
1 110 (7.90%) .NET
2 87 (6.25%) HTML
3 79 (5.68%) CSS
4 74 (5.32%) Web Services
5 66 (4.74%) REST
6 62 (4.45%) TensorFlow
7 60 (4.31%) AngularJS
8 54 (3.88%) Node.js
9 53 (3.81%) React
10 44 (3.16%) Natural Language Processing
11 41 (2.95%) HTML5
11 41 (2.95%) XML
12 40 (2.87%) ASP.NET
13 37 (2.66%) RESTful
14 35 (2.51%) JSON
15 30 (2.16%) CSS3
16 28 (2.01%) Spring
17 27 (1.94%) SOAP
18 26 (1.87%) .NET Framework
19 24 (1.72%) WCF
Miscellaneous
1 149 (10.70%) Analytical Skills
2 101 (7.26%) Fintech
3 91 (6.54%) Algorithms
4 64 (4.60%) Self-Motivation
5 50 (3.59%) Greenfield Project
6 48 (3.45%) Management Information System
7 40 (2.87%) Hedge funds
8 35 (2.51%) Embedded Systems
9 31 (2.23%) Data Structures
10 30 (2.16%) Data Centre
10 30 (2.16%) User Experience
11 28 (2.01%) Social Media
12 27 (1.94%) Foreign Exchange (FX)
13 25 (1.80%) Virtual Team
14 22 (1.58%) Bitcoin
14 22 (1.58%) Blog
14 22 (1.58%) Fixed Income
14 22 (1.58%) Reinsurance
14 22 (1.58%) Robotics
15 18 (1.29%) Hybrid Cloud
Operating Systems
1 255 (18.32%) Linux
2 168 (12.07%) Windows
3 57 (4.09%) Unix
4 43 (3.09%) Android
5 39 (2.80%) Red Hat Enterprise Linux
6 36 (2.59%) Windows Server
7 29 (2.08%) Apple iOS
7 29 (2.08%) Ubuntu
8 21 (1.51%) CentOS
9 19 (1.36%) Fedora
10 17 (1.22%) SUSE
11 15 (1.08%) Windows Server 2008
12 13 (0.93%) Debian
12 13 (0.93%) Windows 10
13 12 (0.86%) Windows Server 2012
14 9 (0.65%) Kali Linux
15 8 (0.57%) Solaris
16 7 (0.50%) Embedded Linux
16 7 (0.50%) Mac OS X
16 7 (0.50%) Windows Server 2003
Processes & Methodologies
1 382 (27.44%) Agile Software Development
2 287 (20.62%) Software Engineering
3 241 (17.31%) Computer Science
4 238 (17.10%) Machine Learning
5 179 (12.86%) DevOps
6 149 (10.70%) Analytics
7 138 (9.91%) Problem-Solving
8 134 (9.63%) Test Automation
9 118 (8.48%) Data Science
10 110 (7.90%) Open Source
11 109 (7.83%) Stakeholder Management
12 105 (7.54%) Continuous Integration
13 103 (7.40%) Mathematics
14 99 (7.11%) TDD
15 96 (6.90%) Project Management
16 87 (6.25%) Mentoring
17 85 (6.11%) Scrum
18 82 (5.89%) Artificial Intelligence
19 80 (5.75%) Microservices
20 78 (5.60%) Presales
Programming Languages
1 564 (40.52%) Python
2 519 (37.28%) C++
3 484 (34.77%) Java
4 304 (21.84%) C#
5 202 (14.51%) SQL
6 181 (13.00%) JavaScript
7 143 (10.27%) Go
8 128 (9.20%) Ruby
9 95 (6.82%) Perl
10 93 (6.68%) PowerShell
11 74 (5.32%) Scala
12 72 (5.17%) Bash Shell
13 40 (2.87%) R
14 39 (2.80%) Embedded C
15 37 (2.66%) PHP
16 36 (2.59%) Objective-C
17 34 (2.44%) Haskell
18 31 (2.23%) Shell Script
19 28 (2.01%) Apple Swift
20 21 (1.51%) VB
Qualifications
1 345 (24.78%) Degree
2 149 (10.70%) Security Cleared
3 115 (8.26%) Computer Science Degree
4 111 (7.97%) DV Cleared
5 69 (4.96%) SC Cleared
6 66 (4.74%) PhD
7 37 (2.66%) CISSP
8 33 (2.37%) MPhil
8 33 (2.37%) SANS
9 25 (1.80%) CISA
10 23 (1.65%) GIAC
11 22 (1.58%) Master's Degree
12 20 (1.44%) PMI Certification
13 18 (1.29%) PMP
14 17 (1.22%) Cisco Certification
14 17 (1.22%) Microsoft Certification
15 15 (1.08%) CCNA
15 15 (1.08%) CREST Certified
16 14 (1.01%) MCSE
17 13 (0.93%) CISM
Quality Assurance & Compliance
1 102 (7.33%) QA
2 36 (2.59%) ISO/IEC 27001
3 19 (1.36%) SLA
4 17 (1.22%) Sarbanes-Oxley
5 15 (1.08%) PMO
5 15 (1.08%) SAS 70
6 10 (0.72%) GDPR
7 9 (0.65%) DO-178B
7 9 (0.65%) ISO/IEC 12207
7 9 (0.65%) MISRA
7 9 (0.65%) MISRA C
8 8 (0.57%) GxP
9 6 (0.43%) COBIT
10 5 (0.36%) NIST 800
11 3 (0.22%) JSP 440
12 2 (0.14%) Data Quality
12 2 (0.14%) GAMP
12 2 (0.14%) ISO/IEC 20000
12 2 (0.14%) JTAG
12 2 (0.14%) Solvency II
System Software
1 117 (8.41%) Docker
2 52 (3.74%) Active Directory
3 32 (2.30%) VMware Infrastructure
4 25 (1.80%) Firmware
5 20 (1.44%) VMware ESXi
6 14 (1.01%) NFS
7 9 (0.65%) Snort
8 8 (0.57%) VMware NSX
9 7 (0.50%) VirtualBox
9 7 (0.50%) Xen
10 6 (0.43%) Samba
11 5 (0.36%) Apache Flume
11 5 (0.36%) Hyper-V
11 5 (0.36%) vSphere
12 4 (0.29%) Microsoft App-V
13 2 (0.14%) Squid
13 2 (0.14%) Terminal Services
13 2 (0.14%) Virtual Machines
14 1 (0.072%) ACF2
14 1 (0.072%) KVM
Systems Management
1 75 (5.39%) Ansible
2 65 (4.67%) Kubernetes
3 63 (4.53%) Puppet
4 58 (4.17%) Opscode Chef
5 29 (2.08%) Terraform
6 17 (1.22%) Nagios
7 14 (1.01%) HP ALM
7 14 (1.01%) Salt
8 13 (0.93%) vCenter Server
9 10 (0.72%) Docker Swarm
9 10 (0.72%) HP Quality Center
10 9 (0.65%) EnCase
10 9 (0.65%) FTK
10 9 (0.65%) Nessus
10 9 (0.65%) Nexpose
10 9 (0.65%) QRadar
10 9 (0.65%) Suricata
11 7 (0.50%) CFEngine
12 6 (0.43%) Graphite
12 6 (0.43%) StatsD
Vendors
1 115 (8.26%) Microsoft
2 110 (7.90%) Google
3 45 (3.23%) Oracle
4 44 (3.16%) VMware
5 43 (3.09%) Splunk
6 39 (2.80%) Red Hat
7 35 (2.51%) NetApp
8 32 (2.30%) Cisco
9 31 (2.23%) EMC
10 24 (1.72%) IBM
11 22 (1.58%) Atlassian
12 20 (1.44%) Salesforce.com
13 19 (1.36%) HP
14 18 (1.29%) Tableau
15 16 (1.15%) ServiceNow
16 15 (1.08%) Palo Alto
17 14 (1.01%) Dynatrace
18 13 (0.93%) Apple
19 12 (0.86%) comScore
20 11 (0.79%) SolarWinds