Period
to 21 January 2020

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 21 January 2020 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
21 Jan 2020
Same period 2019 Same period 2018
Rank 215 228 208
Rank change year-on-year +13 -20 -59
Contract jobs citing C 366 551 631
As % of all contract IT jobs advertised in London 1.21% 1.25% 1.38%
As % of the Programming Languages category 2.58% 2.49% 2.85%
Number of daily rates quoted 261 394 424
London median daily rate £525 £500 £525
Median daily rate % change year-on-year +5.00% -4.76% +10.53%
10th Percentile £375 £325 £352
90th Percentile £738 £688 £725
England median daily rate £450 £470 £475
% change year-on-year -4.26% -1.05% +7.95%
Number of hourly rates quoted 13 14 24
London median hourly rate £50.00 £35.88 £42.50
Median hourly rate % change year-on-year +39.37% -15.59% +6.25%
10th Percentile £28.20 £18.70 £20.60
90th Percentile £62.50 £48.38 £48.38
England median hourly rate £46.00 £42.50 £42.00
% change year-on-year +8.24% +1.19% +2.44%

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 14,169 22,134 22,159
As % of all contract IT jobs advertised in London 46.69% 50.08% 48.38%
Number of daily rates quoted 10,480 16,782 17,009
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £369 £363 £350
90th Percentile £688 £675 £675
England median daily rate £485 £480 £475
% change year-on-year +1.04% +1.05% +11.76%
Number of hourly rates quoted 114 114 148
London median hourly rate £44.51 £36.25 £34.00
Median hourly rate % change year-on-year +22.79% +6.62% -15.00%
10th Percentile £19.43 £18.77 £18.43
90th Percentile £61.88 £53.75 £57.88
England median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% -

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 21 January 2020.

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 21 January 2020.

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 21 January 2020. 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 +16 58 £500 -1.96% 61
West London +37 38 £425 -10.53% 33
South London +34 12 £475 +5.56% 8
East London +36 9 £400 -15.79% 35
North London +14 1 - - 6
C
England

For the 6 months to 21 January 2020, 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 93 (25.41%) Agile Software Development
2 90 (24.59%) C++
3 70 (19.13%) Finance
4 69 (18.85%) Python
5 60 (16.39%) Linux
6 59 (16.12%) Java
7 54 (14.75%) Windows
8 50 (13.66%) SQL
9 49 (13.39%) Microsoft
10 46 (12.57%) Security Cleared
11 45 (12.30%) TDD
12 44 (12.02%) Software Engineering
13 40 (10.93%) SC Cleared
13 40 (10.93%) Continuous Integration
14 39 (10.66%) Scrum
15 38 (10.38%) Azure
16 37 (10.11%) DevOps
16 37 (10.11%) Degree
17 36 (9.84%) Migration
18 35 (9.56%) Internet
18 35 (9.56%) AWS
19 32 (8.74%) Oracle
19 32 (8.74%) Stakeholder Management
20 31 (8.47%) C#
20 31 (8.47%) Cybersecurity
21 30 (8.20%) Analytics
21 30 (8.20%) Git (software)
22 26 (7.10%) DV Cleared
22 26 (7.10%) Jenkins
23 25 (6.83%) BDD

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 16 (4.37%) Apache Spark
2 6 (1.64%) Confluence
2 6 (1.64%) SAS
3 5 (1.37%) MS Exchange
3 5 (1.37%) Skype for Business
4 4 (1.09%) Adobe Experience Manager
4 4 (1.09%) Exchange Server 2010
5 3 (0.82%) CMS
6 2 (0.55%) IIS
7 1 (0.27%) BizTalk Server
7 1 (0.27%) Drupal
7 1 (0.27%) Elasticsearch
7 1 (0.27%) Jadu
7 1 (0.27%) JBoss
7 1 (0.27%) Mendix
7 1 (0.27%) OpenStack
7 1 (0.27%) SharePoint
7 1 (0.27%) Tomcat
7 1 (0.27%) WebLogic
Applications
1 8 (2.19%) Microsoft Excel
2 5 (1.37%) Microsoft Office
2 5 (1.37%) Microsoft PowerPoint
3 4 (1.09%) Microsoft Project
4 1 (0.27%) Chatbot
4 1 (0.27%) GNU Octave
4 1 (0.27%) MS Visio
4 1 (0.27%) Simulink
4 1 (0.27%) SOLIDWORKS
Business Applications
1 11 (3.01%) ION MarketView
2 9 (2.46%) FINCAD Analytics
3 7 (1.91%) Dynamics NAV
4 4 (1.09%) SAP S/4HANA
5 2 (0.55%) Oracle BPM
5 2 (0.55%) Oracle Procure-to-Pay
5 2 (0.55%) SAP CO
5 2 (0.55%) SAP Convergent Charging
5 2 (0.55%) SAP FI
5 2 (0.55%) SAP FI/CO
6 1 (0.27%) Actimize
6 1 (0.27%) Dynamics AX
6 1 (0.27%) JDE EnterpriseOne
6 1 (0.27%) Oracle EBS
6 1 (0.27%) SAP ERP
6 1 (0.27%) SAP IBP
6 1 (0.27%) Sparx Enterprise Architect
6 1 (0.27%) Temenos T24
Cloud Services
1 38 (10.38%) Azure
2 35 (9.56%) AWS
3 16 (4.37%) Office 365
4 11 (3.01%) Serverless
5 10 (2.73%) Amazon S3
6 9 (2.46%) Power Platform
7 8 (2.19%) Amazon SQS
7 8 (2.19%) AWS Lambda
7 8 (2.19%) AWS Step Functions
8 7 (1.91%) TestFlight
9 6 (1.64%) Cloud Computing
9 6 (1.64%) GCP
9 6 (1.64%) IaaS
10 5 (1.37%) Adobe Analytics
10 5 (1.37%) Azure Active Directory
10 5 (1.37%) Azure Data Factory
10 5 (1.37%) GitHub
11 4 (1.09%) AWS CloudFormation
11 4 (1.09%) Azure Machine Learning
12 3 (0.82%) OpenShift
Communications & Networking
1 35 (9.56%) Internet
2 19 (5.19%) DNS
3 11 (3.01%) DHCP
3 11 (3.01%) Firewall
4 10 (2.73%) Wireless
5 9 (2.46%) LAN
6 8 (2.19%) HTTPS
7 7 (1.91%) Ethernet
7 7 (1.91%) SNMP
7 7 (1.91%) WAN
7 7 (1.91%) Wi-Fi
8 6 (1.64%) IPv4
8 6 (1.64%) IPv6
8 6 (1.64%) VoIP
9 5 (1.37%) Intrusion Detection
9 5 (1.37%) Skype
9 5 (1.37%) WLAN
10 4 (1.09%) Kerberos
10 4 (1.09%) NetScaler
10 4 (1.09%) Network Security
Database & Business Intelligence
1 23 (6.28%) Hadoop
2 19 (5.19%) Big Data
3 18 (4.92%) SQL Server
4 17 (4.64%) MongoDB
4 17 (4.64%) NoSQL
5 10 (2.73%) PostgreSQL
6 9 (2.46%) Amazon Redshift
6 9 (2.46%) KDB
6 9 (2.46%) MySQL
6 9 (2.46%) Power BI
6 9 (2.46%) Relational Database
7 8 (2.19%) Amazon Athena
7 8 (2.19%) Amazon Aurora
7 8 (2.19%) Amazon RDS
7 8 (2.19%) Data Lake
7 8 (2.19%) Presto
8 7 (1.91%) Apache Cassandra
8 7 (1.91%) Apache Hive
8 7 (1.91%) Data Warehouse
9 4 (1.09%) QlikView
Development Applications
1 30 (8.20%) Git (software)
2 26 (7.10%) Jenkins
3 19 (5.19%) JIRA
4 10 (2.73%) Maven
4 10 (2.73%) Xcode
5 9 (2.46%) Sonatype Nexus
6 8 (2.19%) CircleCI
6 8 (2.19%) fastlane
6 8 (2.19%) Team Foundation Server
7 7 (1.91%) CocoaPods
7 7 (1.91%) JIRA Agile
8 6 (1.64%) Selenium
9 5 (1.37%) Rational DOORS
10 3 (0.82%) Bitbucket
10 3 (0.82%) JUnit
10 3 (0.82%) ProC
10 3 (0.82%) PVCS
10 3 (0.82%) Subversion
10 3 (0.82%) webpack
11 2 (0.55%) Babel
General
1 70 (19.13%) Finance
2 24 (6.56%) Public Sector
3 22 (6.01%) Banking
3 22 (6.01%) Front Office
3 22 (6.01%) Military
4 21 (5.74%) Marketing
5 14 (3.83%) Telecoms
6 9 (2.46%) Retail
7 8 (2.19%) Electronics
7 8 (2.19%) Manufacturing
7 8 (2.19%) Pharmaceutical
8 5 (1.37%) Law
8 5 (1.37%) Legal
9 3 (0.82%) Aerospace
9 3 (0.82%) Financial Institution
10 2 (0.55%) Back Office
10 2 (0.55%) Billing
10 2 (0.55%) Games
10 2 (0.55%) Investment Banking
10 2 (0.55%) Publishing
Job Titles
1 94 (25.68%) Developer
2 36 (9.84%) Analyst
3 30 (8.20%) Architect
4 27 (7.38%) Software Engineer
5 19 (5.19%) Business Analyst
6 16 (4.37%) Embedded Engineer
7 15 (4.10%) Consultant
7 15 (4.10%) Embedded Software Engineer
8 14 (3.83%) Java Developer
8 14 (3.83%) Senior Developer
8 14 (3.83%) Systems Engineer
9 13 (3.55%) Project Manager
10 11 (3.01%) Software Developer
11 10 (2.73%) Data Architect
12 9 (2.46%) DevOps Engineer
12 9 (2.46%) Embedded Developer
12 9 (2.46%) Embedded Software Developer
12 9 (2.46%) iOS Developer
12 9 (2.46%) Product Manager
12 9 (2.46%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 20 (5.46%) React
2 18 (4.92%) AngularJS
2 18 (4.92%) Web Services
3 17 (4.64%) REST
4 15 (4.10%) Middleware
5 14 (3.83%) Node.js
6 13 (3.55%) .NET
7 12 (3.28%) Backbone.js
8 11 (3.01%) JNI
9 10 (2.73%) NumPy
9 10 (2.73%) Rendezvous
9 10 (2.73%) SciPy
10 9 (2.46%) Apache NiFi
10 9 (2.46%) Esper
10 9 (2.46%) Pyramid
10 9 (2.46%) React Native
10 9 (2.46%) XML
11 8 (2.19%) Core Data
11 8 (2.19%) CSS
11 8 (2.19%) Kafka
Miscellaneous
1 19 (5.19%) Analytical Skills
2 15 (4.10%) Management Information System
3 14 (3.83%) Greenfield Project
3 14 (3.83%) Self-Motivation
4 13 (3.55%) Algorithms
5 12 (3.28%) Hedge funds
6 11 (3.01%) User Experience
7 10 (2.73%) Derivative
7 10 (2.73%) Fixed Income
8 8 (2.19%) Enterprise Software
9 7 (1.91%) Data Centre
9 7 (1.91%) iPad
9 7 (1.91%) Mobile App
10 6 (1.64%) Data Structures
11 5 (1.37%) ASIC
11 5 (1.37%) Field-Programmable Gate Array
11 5 (1.37%) Linux Command Line
11 5 (1.37%) Private Cloud
12 4 (1.09%) Media Streaming
12 4 (1.09%) NHS
Operating Systems
1 60 (16.39%) Linux
2 54 (14.75%) Windows
3 21 (5.74%) Unix
4 17 (4.64%) Apple iOS
5 15 (4.10%) Android
6 11 (3.01%) Red Hat Enterprise Linux
7 10 (2.73%) Windows 10
8 9 (2.46%) Windows Server
9 7 (1.91%) Windows Server 2012
10 5 (1.37%) Embedded Linux
10 5 (1.37%) Windows 7
11 4 (1.09%) Mac OS
11 4 (1.09%) Windows Server 2008
12 3 (0.82%) Mac OS X
13 2 (0.55%) Windows Server 2003
14 1 (0.27%) CentOS
14 1 (0.27%) Robot Operating System
14 1 (0.27%) Solaris
14 1 (0.27%) Windows 8
Processes & Methodologies
1 93 (25.41%) Agile Software Development
2 45 (12.30%) TDD
3 44 (12.02%) Software Engineering
4 40 (10.93%) Continuous Integration
5 39 (10.66%) Scrum
6 37 (10.11%) DevOps
7 36 (9.84%) Migration
8 32 (8.74%) Stakeholder Management
9 31 (8.47%) Cybersecurity
10 30 (8.20%) Analytics
11 25 (6.83%) BDD
11 25 (6.83%) OO
12 23 (6.28%) Computer Science
12 23 (6.28%) Problem-Solving
13 21 (5.74%) User Stories
14 20 (5.46%) Test Automation
15 19 (5.19%) Business Intelligence
16 18 (4.92%) Information Security
16 18 (4.92%) Project Management
16 18 (4.92%) Waterfall
Programming Languages
1 90 (24.59%) C++
2 69 (18.85%) Python
3 59 (16.12%) Java
4 50 (13.66%) SQL
5 31 (8.47%) C#
6 21 (5.74%) JavaScript
7 15 (4.10%) Perl
8 13 (3.55%) Embedded C
8 13 (3.55%) R
9 12 (3.28%) Apple Swift
9 12 (3.28%) Ruby
10 11 (3.01%) Objective-C
11 10 (2.73%) T-SQL
12 9 (2.46%) Bash Shell
12 9 (2.46%) PowerShell
13 8 (2.19%) Go
14 7 (1.91%) Korn
15 6 (1.64%) Shell Script
16 5 (1.37%) MATLAB
16 5 (1.37%) PL/SQL
Qualifications
1 46 (12.57%) Security Cleared
2 40 (10.93%) SC Cleared
3 37 (10.11%) Degree
4 26 (7.10%) DV Cleared
5 9 (2.46%) Computer Science Degree
6 7 (1.91%) CISSP
7 5 (1.37%) CISM
7 5 (1.37%) Master's Degree
7 5 (1.37%) Numerate Degree
7 5 (1.37%) PhD
7 5 (1.37%) SANS
8 4 (1.09%) GIAC
9 3 (0.82%) PMI Certification
10 2 (0.55%) APMG
10 2 (0.55%) BPSS Clearance
10 2 (0.55%) CTC Cleared
10 2 (0.55%) ITIL Certification
10 2 (0.55%) Microsoft Certification
10 2 (0.55%) PgMP
11 1 (0.27%) PMP
Quality Assurance & Compliance
1 20 (5.46%) QA
2 8 (2.19%) PMO
3 5 (1.37%) NIST
4 3 (0.82%) SLA
5 2 (0.55%) ISO/IEC 27001
5 2 (0.55%) NIST 800
5 2 (0.55%) WCAG
6 1 (0.27%) DO-160
6 1 (0.27%) DO-254
6 1 (0.27%) GDPR
6 1 (0.27%) IEC 62304
6 1 (0.27%) ISO 13485
6 1 (0.27%) NCSC
6 1 (0.27%) PCI DSS
System Software
1 24 (6.56%) Active Directory
2 14 (3.83%) Docker
3 8 (2.19%) VMware Infrastructure
4 5 (1.37%) Virtual Machines
4 5 (1.37%) XenApp
5 4 (1.09%) XenDesktop
6 3 (0.82%) Apache Flume
6 3 (0.82%) Hyper-V
6 3 (0.82%) Microsoft App-V
6 3 (0.82%) vSphere
7 2 (0.55%) Firmware
7 2 (0.55%) VMware ESXi
8 1 (0.27%) BusyBox
8 1 (0.27%) Virtual Servers
Systems Management
1 14 (3.83%) Kubernetes
2 7 (1.91%) Single Sign-On
3 6 (1.64%) Cisco CUCM
3 6 (1.64%) Opscode Chef
4 5 (1.37%) Puppet
4 5 (1.37%) Salt
4 5 (1.37%) SCCM
4 5 (1.37%) Terraform
5 4 (1.09%) Ansible
6 3 (0.82%) AirWatch
6 3 (0.82%) Graphite
6 3 (0.82%) Microsoft Intune
7 2 (0.55%) Packer
7 2 (0.55%) SCOM
7 2 (0.55%) SCVMM
7 2 (0.55%) vCenter Server
8 1 (0.27%) CA Single Sign-On
8 1 (0.27%) MOM
8 1 (0.27%) Nessus
8 1 (0.27%) Systems Management Server (SMS)
Vendors
1 49 (13.39%) Microsoft
2 32 (8.74%) Oracle
3 24 (6.56%) Apple
3 24 (6.56%) Google
4 19 (5.19%) SAP
5 14 (3.83%) Cisco
6 12 (3.28%) VMware
7 11 (3.01%) ION Trading
7 11 (3.01%) TIBCO
8 10 (2.73%) Red Hat
9 9 (2.46%) Tableau
10 8 (2.19%) Adobe
10 8 (2.19%) Bloomberg
10 8 (2.19%) Citrix
11 7 (1.91%) Xamarin
12 6 (1.64%) Salesforce.com
13 5 (1.37%) Juniper
14 4 (1.09%) Alteryx
14 4 (1.09%) BT
14 4 (1.09%) SaltStack