Period
to 12 November 2019

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for C skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited C over the 6 months to 12 November 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

C
England > London
6 months to
12 Nov 2019
Same period 2018 Same period 2017
Rank 217 208 225
Rank change year-on-year -9 +17 -64
Contract jobs citing C 431 606 583
As % of all contract IT jobs advertised in London 1.20% 1.32% 1.26%
As % of the Programming Languages category 2.52% 2.63% 2.60%
Number of daily rates quoted 305 428 364
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £375 £357 £350
90th Percentile £792 £741 £725
England median daily rate £464 £475 £450
% change year-on-year -2.37% +5.56% +5.88%
Number of hourly rates quoted 16 33 27
London median hourly rate £50.00 £38.25 £37.50
Median hourly rate % change year-on-year +30.72% +2.00% -6.25%
10th Percentile £32.63 £18.70 £23.99
90th Percentile £53.75 £52.25 £48.75
England median hourly rate £46.00 £42.50 £42.50
% change year-on-year +8.24% - +6.25%

C is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 17,106 23,081 22,445
As % of all contract IT jobs advertised in London 47.46% 50.37% 48.59%
Number of daily rates quoted 12,900 17,587 16,979
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +8.11%
10th Percentile £363 £363 £350
90th Percentile £699 £675 £663
England median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 123 112 154
London median hourly rate £45.50 £37.09 £35.91
Median hourly rate % change year-on-year +22.67% +3.30% +10.48%
10th Percentile £20.91 £18.05 £18.09
90th Percentile £64.10 £62.52 £52.35
England median hourly rate £44.00 £42.00 £40.00
% change year-on-year +4.76% +5.00% +6.67%

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
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing C in London.

Contractor daily rate trend for C in London

C
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing C in London over the 6 months to 12 November 2019.

Contractor daily rate histogram for C in London

C
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing C in London.

Contractor hourly rate trend for C in London

C
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing C in London over the 6 months to 12 November 2019.

Contractor hourly rate histogram for C in London

C
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing C within the London region over the 6 months to 12 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -5 70 £550 +4.76% 63
West London +53 61 £450 -5.26% 30
South London +30 12 £450 -2.70% 8
East London +13 4 £475 +18.75% 20
C
England

For the 6 months to 12 November 2019, IT contractor 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 contract job ads across the London region with a requirement for C.

1 144 (33.41%) C++
2 105 (24.36%) Java
3 99 (22.97%) Agile Software Development
4 92 (21.35%) Python
5 79 (18.33%) Finance
6 76 (17.63%) Linux
7 67 (15.55%) Windows
8 62 (14.39%) Microsoft
9 56 (12.99%) Software Engineering
10 53 (12.30%) TDD
10 53 (12.30%) SQL
11 47 (10.90%) Degree
11 47 (10.90%) Continuous Integration
12 45 (10.44%) Azure
12 45 (10.44%) C#
13 44 (10.21%) DevOps
14 43 (9.98%) Migration
15 41 (9.51%) Security Cleared
16 39 (9.05%) AWS
17 38 (8.82%) Stakeholder Management
18 36 (8.35%) Scrum
19 35 (8.12%) Google
19 35 (8.12%) SC Cleared
19 35 (8.12%) Analytics
20 34 (7.89%) Banking
21 32 (7.42%) Oracle
22 31 (7.19%) User Stories
23 30 (6.96%) Cybersecurity
23 30 (6.96%) JavaScript
23 30 (6.96%) Internet

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 13 (3.02%) Apache Spark
2 12 (2.78%) Confluence
3 10 (2.32%) SAS
4 7 (1.62%) Skype for Business
5 6 (1.39%) MS Exchange
6 5 (1.16%) Exchange Server 2010
7 4 (0.93%) JBoss
7 4 (0.93%) WebLogic
8 3 (0.70%) SharePoint
9 2 (0.46%) Adobe Experience Manager
9 2 (0.46%) IIS
9 2 (0.46%) WebSphere
10 1 (0.23%) CMS
10 1 (0.23%) Elasticsearch
10 1 (0.23%) Jadu
10 1 (0.23%) Jetty
10 1 (0.23%) Mendix
10 1 (0.23%) Oracle Self-Service HR
10 1 (0.23%) Tomcat
Applications
1 14 (3.25%) Microsoft Excel
2 7 (1.62%) Microsoft Project
3 5 (1.16%) Microsoft Office
3 5 (1.16%) Microsoft PowerPoint
4 2 (0.46%) MS Visio
5 1 (0.23%) Chatbot
5 1 (0.23%) Simulink
Business Applications
1 19 (4.41%) ION MarketView
2 12 (2.78%) Dynamics NAV
3 9 (2.09%) FINCAD Analytics
4 3 (0.70%) Oracle EBS
4 3 (0.70%) Payment Gateway
4 3 (0.70%) SAP S/4HANA
5 1 (0.23%) Actimize
5 1 (0.23%) Dynamics AX
5 1 (0.23%) JDE EnterpriseOne
5 1 (0.23%) Oracle Financials
5 1 (0.23%) SAP CRM
5 1 (0.23%) SAP ERP
5 1 (0.23%) SAP IBP
5 1 (0.23%) SAP LE
5 1 (0.23%) SAP MM
5 1 (0.23%) SAP SD
5 1 (0.23%) SAP WM
5 1 (0.23%) Sparx Enterprise Architect
5 1 (0.23%) Workday HCM
Cloud Services
1 45 (10.44%) Azure
2 39 (9.05%) AWS
3 18 (4.18%) Office 365
4 14 (3.25%) GCP
4 14 (3.25%) Serverless
5 8 (1.86%) Amazon S3
5 8 (1.86%) Amazon SQS
5 8 (1.86%) AWS Lambda
5 8 (1.86%) Cloud Computing
5 8 (1.86%) IaaS
5 8 (1.86%) SaaS
6 7 (1.62%) Power Platform
7 6 (1.39%) Adobe Analytics
8 5 (1.16%) Azure Active Directory
8 5 (1.16%) G Suite
9 4 (0.93%) AWS CloudFormation
9 4 (0.93%) GitHub
9 4 (0.93%) PaaS
9 4 (0.93%) TestFlight
10 3 (0.70%) AWS IoT
Communications & Networking
1 30 (6.96%) Internet
2 27 (6.26%) DNS
3 16 (3.71%) DHCP
4 12 (2.78%) Firewall
4 12 (2.78%) TCP/IP
5 9 (2.09%) LAN
5 9 (2.09%) SNMP
5 9 (2.09%) WAN
6 8 (1.86%) Skype
7 6 (1.39%) Wi-Fi
7 6 (1.39%) Wireless
8 5 (1.16%) Intrusion Detection
9 4 (0.93%) H.323
9 4 (0.93%) HTTPS
9 4 (0.93%) ISDN
9 4 (0.93%) NetScaler
9 4 (0.93%) QSIG
9 4 (0.93%) SAN
9 4 (0.93%) Telepresence
9 4 (0.93%) Unified Communications
Database & Business Intelligence
1 19 (4.41%) Hadoop
1 19 (4.41%) MongoDB
1 19 (4.41%) NoSQL
2 15 (3.48%) SQL Server
3 12 (2.78%) Big Data
3 12 (2.78%) PostgreSQL
4 9 (2.09%) Amazon Redshift
4 9 (2.09%) KDB
4 9 (2.09%) Relational Database
5 8 (1.86%) Amazon Athena
5 8 (1.86%) Amazon Aurora
5 8 (1.86%) Amazon RDS
5 8 (1.86%) Apache Cassandra
5 8 (1.86%) Apache Hive
5 8 (1.86%) Presto
6 7 (1.62%) MySQL
6 7 (1.62%) Power BI
7 5 (1.16%) BigQuery
7 5 (1.16%) Data Warehouse
7 5 (1.16%) Sqoop
Development Applications
1 27 (6.26%) Git (software)
2 26 (6.03%) Jenkins
3 25 (5.80%) JIRA
4 11 (2.55%) Maven
5 9 (2.09%) Team Foundation Server
6 8 (1.86%) Xcode
7 7 (1.62%) Rational DOORS
7 7 (1.62%) Sonatype Nexus
8 6 (1.39%) CircleCI
8 6 (1.39%) fastlane
9 5 (1.16%) JIRA Agile
10 4 (0.93%) Atlassian Bamboo
10 4 (0.93%) Bitbucket
10 4 (0.93%) CocoaPods
10 4 (0.93%) Jasmine
10 4 (0.93%) Mocha
10 4 (0.93%) Subversion
11 3 (0.70%) Oracle Forms
11 3 (0.70%) Selenium
11 3 (0.70%) Visual Studio
General
1 79 (18.33%) Finance
2 34 (7.89%) Banking
3 28 (6.50%) Front Office
4 22 (5.10%) Military
5 18 (4.18%) Marketing
6 15 (3.48%) Public Sector
7 12 (2.78%) Manufacturing
7 12 (2.78%) Retail
8 11 (2.55%) Electronics
8 11 (2.55%) Pharmaceutical
8 11 (2.55%) Telecoms
9 5 (1.16%) Investment Banking
10 4 (0.93%) Games
10 4 (0.93%) Law
10 4 (0.93%) Retail Banking
11 3 (0.70%) Aerospace
11 3 (0.70%) Corporate Banking
11 3 (0.70%) Local Government
12 2 (0.46%) Back Office
12 2 (0.46%) Legal
Job Titles
1 97 (22.51%) Developer
2 40 (9.28%) Analyst
3 39 (9.05%) Architect
4 38 (8.82%) Software Engineer
5 27 (6.26%) Consultant
6 24 (5.57%) Java Developer
7 23 (5.34%) Embedded Engineer
8 22 (5.10%) Embedded Software Engineer
9 20 (4.64%) Systems Engineer
10 16 (3.71%) Business Analyst
10 16 (3.71%) Project Manager
11 15 (3.48%) Solutions Architect
12 12 (2.78%) Principal Engineer
13 11 (2.55%) C++ Software Engineer
13 11 (2.55%) DevOps Engineer
13 11 (2.55%) Principal Systems Engineer
13 11 (2.55%) Product Manager
13 11 (2.55%) Senior Developer
14 10 (2.32%) C Software Engineer
14 10 (2.32%) C/C++ Software Engineer
Libraries, Frameworks & Software Standards
1 22 (5.10%) React
2 21 (4.87%) Middleware
3 20 (4.64%) Web Services
4 19 (4.41%) .NET
4 19 (4.41%) JNI
5 18 (4.18%) AngularJS
6 16 (3.71%) Rendezvous
7 13 (3.02%) Node.js
8 12 (2.78%) Backbone.js
8 12 (2.78%) REST
9 10 (2.32%) NumPy
9 10 (2.32%) SciPy
10 9 (2.09%) Esper
10 9 (2.09%) Kafka
10 9 (2.09%) Pyramid
11 8 (1.86%) Apache NiFi
11 8 (1.86%) HTML
11 8 (1.86%) jQuery
12 7 (1.62%) Redux
12 7 (1.62%) STL
Miscellaneous
1 23 (5.34%) Algorithms
2 17 (3.94%) Management Information System
3 16 (3.71%) Analytical Skills
4 13 (3.02%) Fixed Income
4 13 (3.02%) Greenfield Project
5 12 (2.78%) Derivative
6 11 (2.55%) Hedge funds
6 11 (2.55%) User Experience
7 9 (2.09%) Video\Live Streaming
8 8 (1.86%) Data Structures
8 8 (1.86%) Mobile App
9 7 (1.62%) ASIC
9 7 (1.62%) Enterprise Software
9 7 (1.62%) Field-Programmable Gate Array
10 6 (1.39%) Self-Motivation
11 5 (1.16%) Device Driver
11 5 (1.16%) Foreign Exchange (FX)
12 4 (0.93%) Blog
12 4 (0.93%) Equities
12 4 (0.93%) Replication
Operating Systems
1 76 (17.63%) Linux
2 67 (15.55%) Windows
3 29 (6.73%) Unix
4 25 (5.80%) Android
5 14 (3.25%) Apple iOS
6 12 (2.78%) Embedded Linux
6 12 (2.78%) Red Hat Enterprise Linux
6 12 (2.78%) Windows 10
7 8 (1.86%) Windows 7
8 7 (1.62%) Windows Server
8 7 (1.62%) Windows Server 2012
9 5 (1.16%) Windows Server 2008
10 4 (0.93%) Mac OS X
10 4 (0.93%) Solaris
10 4 (0.93%) Windows Server 2003
11 3 (0.70%) Mac OS
12 2 (0.46%) AIX
12 2 (0.46%) CentOS
12 2 (0.46%) zOS
13 1 (0.23%) Windows Embedded Compact
Processes & Methodologies
1 99 (22.97%) Agile Software Development
2 56 (12.99%) Software Engineering
3 53 (12.30%) TDD
4 47 (10.90%) Continuous Integration
5 44 (10.21%) DevOps
6 43 (9.98%) Migration
7 38 (8.82%) Stakeholder Management
8 36 (8.35%) Scrum
9 35 (8.12%) Analytics
10 31 (7.19%) User Stories
11 30 (6.96%) Computer Science
11 30 (6.96%) Cybersecurity
12 28 (6.50%) Multithreading
12 28 (6.50%) Problem-Solving
13 22 (5.10%) BDD
13 22 (5.10%) Information Security
13 22 (5.10%) OO
13 22 (5.10%) Project Management
13 22 (5.10%) Systems Engineering
13 22 (5.10%) Test Automation
Programming Languages
1 144 (33.41%) C++
2 105 (24.36%) Java
3 92 (21.35%) Python
4 53 (12.30%) SQL
5 45 (10.44%) C#
6 30 (6.96%) JavaScript
7 19 (4.41%) Go
8 18 (4.18%) R
9 17 (3.94%) Ruby
10 16 (3.71%) Perl
10 16 (3.71%) PowerShell
11 15 (3.48%) Bash Shell
12 14 (3.25%) Objective-C
13 12 (2.78%) Korn
14 11 (2.55%) Embedded C
15 10 (2.32%) Apple Swift
15 10 (2.32%) PHP
15 10 (2.32%) T-SQL
16 7 (1.62%) MATLAB
17 6 (1.39%) Shell Script
Qualifications
1 47 (10.90%) Degree
2 41 (9.51%) Security Cleared
3 35 (8.12%) SC Cleared
4 27 (6.26%) DV Cleared
5 12 (2.78%) Computer Science Degree
6 11 (2.55%) CISSP
7 9 (2.09%) CISM
7 9 (2.09%) Numerate Degree
8 6 (1.39%) GIAC
8 6 (1.39%) SANS
9 5 (1.16%) Master's Degree
9 5 (1.16%) PhD
10 4 (0.93%) Cisco Certification
10 4 (0.93%) PMI Certification
11 3 (0.70%) BPSS Clearance
11 3 (0.70%) CISA
12 2 (0.46%) (ISC)2 CCSP
12 2 (0.46%) APMG
12 2 (0.46%) CSSLP
12 2 (0.46%) PgMP
Quality Assurance & Compliance
1 17 (3.94%) QA
2 6 (1.39%) GDPR
2 6 (1.39%) PMO
3 5 (1.16%) NIST
4 4 (0.93%) GMP
5 3 (0.70%) GAAP
5 3 (0.70%) PCI DSS
5 3 (0.70%) Solvency II
6 2 (0.46%) ISO 8583
6 2 (0.46%) ISO/IEC 27001
6 2 (0.46%) NIST 800
7 1 (0.23%) CRD IV
7 1 (0.23%) DO-160
7 1 (0.23%) DO-254
7 1 (0.23%) GxP
7 1 (0.23%) Sarbanes-Oxley
7 1 (0.23%) SLA
7 1 (0.23%) WCAG
System Software
1 24 (5.57%) Active Directory
2 22 (5.10%) Docker
3 5 (1.16%) Apache Flume
3 5 (1.16%) VMware Infrastructure
3 5 (1.16%) XenApp
3 5 (1.16%) XenDesktop
4 4 (0.93%) Hyper-V
5 3 (0.70%) Microsoft App-V
5 3 (0.70%) vSphere
6 2 (0.46%) Samba
7 1 (0.23%) BusyBox
7 1 (0.23%) Citrix Hypervisor
7 1 (0.23%) KVM
7 1 (0.23%) LXC
7 1 (0.23%) Oracle RAC
7 1 (0.23%) Virtual Machines
7 1 (0.23%) VMware ESXi
7 1 (0.23%) Xen
Systems Management
1 20 (4.64%) Kubernetes
2 11 (2.55%) Puppet
3 10 (2.32%) Opscode Chef
3 10 (2.32%) Terraform
4 8 (1.86%) Salt
4 8 (1.86%) SCCM
5 6 (1.39%) Ansible
5 6 (1.39%) Cisco CUCM
5 6 (1.39%) Single Sign-On
6 4 (0.93%) Systems Management Server (SMS)
7 3 (0.70%) AirWatch
7 3 (0.70%) Graphite
7 3 (0.70%) Microsoft Intune
7 3 (0.70%) Prometheus
8 2 (0.46%) Packer
8 2 (0.46%) SCOM
8 2 (0.46%) SCVMM
8 2 (0.46%) WSUS
9 1 (0.23%) Backup Exec
9 1 (0.23%) MOM
Vendors
1 62 (14.39%) Microsoft
2 35 (8.12%) Google
3 32 (7.42%) Oracle
4 24 (5.57%) Apple
5 19 (4.41%) ION Trading
5 19 (4.41%) SAP
5 19 (4.41%) TIBCO
6 11 (2.55%) VMware
7 10 (2.32%) Cisco
7 10 (2.32%) Red Hat
8 9 (2.09%) Adobe
9 8 (1.86%) Bloomberg
9 8 (1.86%) Citrix
10 6 (1.39%) IBM
11 5 (1.16%) Salesforce.com
11 5 (1.16%) SaltStack
11 5 (1.16%) ServiceNow
12 4 (0.93%) Atlassian
12 4 (0.93%) Avaya
12 4 (0.93%) Xamarin