Period
to 11 December 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 11 December 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
London > Central London
6 months to
11 Dec 2019
Same period 2018 Same period 2017
Rank 187 189 184
Rank change year-on-year +2 -5 -38
Contract jobs citing C 66 114 101
As % of all contract IT jobs advertised in Central London 0.93% 1.22% 1.17%
As % of the Programming Languages category 1.90% 2.27% 2.27%
Number of daily rates quoted 46 95 81
Central London median daily rate £535 £525 £525
Median daily rate % change year-on-year +1.90% - -
10th Percentile £406 £413 £363
90th Percentile £743 £775 £700
London median daily rate £525 £525 £523
% change year-on-year - +0.48% +10.00%
Number of hourly rates quoted 1 1 1
Central London median hourly rate £63.33 £18.70 £42.50
Median hourly rate % change year-on-year +238.66% -56.00% -
10th Percentile £61.67 £18.70 £38.75
90th Percentile £65.00 £18.70 £46.25
London median hourly rate £50.00 £35.00 £40.00
% change year-on-year +42.86% -12.50% -

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 Central London with a requirement for coding skills.

All Programming Languages
Central London
Contract vacancies with a requirement for coding skills 3,480 5,027 4,456
As % of all contract IT jobs advertised in Central London 49.08% 53.75% 51.53%
Number of daily rates quoted 2,748 4,108 3,683
Central London median daily rate £525 £525 £513
Median daily rate % change year-on-year - +2.44% +7.89%
10th Percentile £375 £375 £363
90th Percentile £675 £675 £688
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 12 9 16
Central London median hourly rate £31.50 £37.09 £25.79
Median hourly rate % change year-on-year -15.07% +43.83% -6.23%
10th Percentile £21.02 £16.90 £16.30
90th Percentile £55.18 £63.70 £46.00
London median hourly rate £42.06 £36.00 £32.50
% change year-on-year +16.82% +10.77% -4.03%

C
Job Vacancy Trend in Central London

Job postings citing C as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for C in Central London

C
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for C in Central London

C
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing C in Central London over the 6 months to 11 December 2019.

Contractor daily rate histogram for C in Central London

C
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for C in Central London

C
Contract Job Locations in Central 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 Central London region over the 6 months to 11 December 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
City of London +5 56 £550 +4.76% 62
West End of London +26 1 £405 - 1
C
London

For the 6 months to 11 December 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 Central London region with a requirement for C.

1 17 (25.76%) Finance
2 16 (24.24%) Java
2 16 (24.24%) C++
2 16 (24.24%) Agile Software Development
3 15 (22.73%) SQL
4 14 (21.21%) Microsoft
5 13 (19.70%) Python
6 12 (18.18%) Windows
7 10 (15.15%) Linux
8 9 (13.64%) Azure
9 8 (12.12%) TDD
9 8 (12.12%) Scrum
9 8 (12.12%) T-SQL
9 8 (12.12%) .NET
9 8 (12.12%) Analytics
10 7 (10.61%) User Stories
10 7 (10.61%) Oracle
10 7 (10.61%) Stakeholder Management
10 7 (10.61%) Artificial Intelligence
10 7 (10.61%) Degree
11 6 (9.09%) Mathematics
11 6 (9.09%) AWS
11 6 (9.09%) Team Foundation Server
11 6 (9.09%) Migration
11 6 (9.09%) XML
11 6 (9.09%) Data Analytics
12 5 (7.58%) AngularJS
12 5 (7.58%) MongoDB
12 5 (7.58%) Apple iOS
12 5 (7.58%) Microservices

C
Co-occurring IT Skills in Central 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 5 (7.58%) Apache Spark
2 3 (4.55%) Adobe Experience Manager
2 3 (4.55%) Confluence
3 1 (1.52%) Elasticsearch
3 1 (1.52%) IIS
3 1 (1.52%) JBoss
3 1 (1.52%) Jetty
3 1 (1.52%) Oracle Self-Service HR
3 1 (1.52%) SharePoint
3 1 (1.52%) Tomcat
3 1 (1.52%) WebLogic
Applications
1 3 (4.55%) Microsoft Excel
1 3 (4.55%) Microsoft Office
1 3 (4.55%) Microsoft Project
2 2 (3.03%) Microsoft PowerPoint
Business Applications
1 1 (1.52%) Dynamics NAV
1 1 (1.52%) FINCAD Analytics
1 1 (1.52%) ION MarketView
1 1 (1.52%) Oracle EBS
1 1 (1.52%) Payment Gateway
1 1 (1.52%) SAP ERP
1 1 (1.52%) SAP S/4HANA
1 1 (1.52%) Temenos T24
Cloud Services
1 9 (13.64%) Azure
2 6 (9.09%) AWS
3 4 (6.06%) Office 365
4 3 (4.55%) Adobe Analytics
4 3 (4.55%) AWS IoT
5 2 (3.03%) SaaS
6 1 (1.52%) Amazon S3
6 1 (1.52%) Amazon SQS
6 1 (1.52%) AWS CloudFormation
6 1 (1.52%) AWS Lambda
6 1 (1.52%) AWS Step Functions
6 1 (1.52%) Azure Data Factory
6 1 (1.52%) GitHub
6 1 (1.52%) OpenShift
6 1 (1.52%) Serverless
Communications & Networking
1 4 (6.06%) Firewall
1 4 (6.06%) Internet
2 3 (4.55%) HTTP
2 3 (4.55%) TCP/IP
3 2 (3.03%) Broadband
3 2 (3.03%) DHCP
3 2 (3.03%) Network Security
3 2 (3.03%) SSH
4 1 (1.52%) DNS
4 1 (1.52%) FTP
4 1 (1.52%) HTTPS
4 1 (1.52%) Intrusion Detection
4 1 (1.52%) IPv4
4 1 (1.52%) IPv6
4 1 (1.52%) LAN
4 1 (1.52%) MPLS
4 1 (1.52%) OSPF
4 1 (1.52%) VPN
4 1 (1.52%) WAN
4 1 (1.52%) Wireshark
Database & Business Intelligence
1 5 (7.58%) MongoDB
2 4 (6.06%) PostgreSQL
3 3 (4.55%) Apache Cassandra
3 3 (4.55%) DB2
3 3 (4.55%) InfluxDB
3 3 (4.55%) Relational Database
3 3 (4.55%) SQL Server
4 2 (3.03%) Data Warehouse
4 2 (3.03%) Hadoop
5 1 (1.52%) Amazon Athena
5 1 (1.52%) Amazon Aurora
5 1 (1.52%) Amazon RDS
5 1 (1.52%) Amazon Redshift
5 1 (1.52%) KDB
5 1 (1.52%) MySQL
5 1 (1.52%) NoSQL
5 1 (1.52%) Oracle Database
5 1 (1.52%) Presto
5 1 (1.52%) SAP HANA
Development Applications
1 6 (9.09%) Team Foundation Server
2 5 (7.58%) JIRA
3 3 (4.55%) Git (software)
3 3 (4.55%) Jenkins
3 3 (4.55%) Maven
4 2 (3.03%) Atlassian Bamboo
4 2 (3.03%) Subversion
4 2 (3.03%) Xcode
5 1 (1.52%) Android Studio
5 1 (1.52%) Ant
5 1 (1.52%) Bitbucket
5 1 (1.52%) ClearCase
5 1 (1.52%) Eclipse
5 1 (1.52%) Gradle
5 1 (1.52%) IntelliJ
5 1 (1.52%) Mercurial
5 1 (1.52%) Poseidon for UML
5 1 (1.52%) Selenium
5 1 (1.52%) Vagrant
5 1 (1.52%) Visual Studio Team System
General
1 17 (25.76%) Finance
2 5 (7.58%) Marketing
3 4 (6.06%) Banking
4 2 (3.03%) Front Office
4 2 (3.03%) Public Sector
5 1 (1.52%) Arabic Language
5 1 (1.52%) Electronics
5 1 (1.52%) Financial Institution
5 1 (1.52%) Investment Banking
5 1 (1.52%) Law
5 1 (1.52%) Legal
5 1 (1.52%) Retail Banking
Job Titles
1 16 (24.24%) Developer
2 7 (10.61%) Analyst
3 6 (9.09%) Architect
4 5 (7.58%) .NET Developer
4 5 (7.58%) Project Manager
4 5 (7.58%) Senior Developer
4 5 (7.58%) VB.NET Developer
5 4 (6.06%) Consultant
6 3 (4.55%) Agile Project Manager
6 3 (4.55%) C Developer
6 3 (4.55%) Data Manager
6 3 (4.55%) Data Scientist
6 3 (4.55%) Lead Architect
6 3 (4.55%) Platform Architect
6 3 (4.55%) Senior .NET Developer
6 3 (4.55%) Senior C Developer
6 3 (4.55%) Senior VB.NET Developer
6 3 (4.55%) Strategy Manager
7 2 (3.03%) Campaign Manager
7 2 (3.03%) Project Governance Manager
Libraries, Frameworks & Software Standards
1 8 (12.12%) .NET
2 6 (9.09%) XML
3 5 (7.58%) AngularJS
3 5 (7.58%) jQuery
3 5 (7.58%) React
3 5 (7.58%) RESTful
4 4 (6.06%) Backbone.js
4 4 (6.06%) Node.js
4 4 (6.06%) Web Services
5 3 (4.55%) Ember.js
5 3 (4.55%) HTML
5 3 (4.55%) Kafka
5 3 (4.55%) Spark Streaming
5 3 (4.55%) Twitter Bootstrap
6 2 (3.03%) iOS SDK
6 2 (3.03%) JSON
7 1 (1.52%) ActiveMQ
7 1 (1.52%) GWT
7 1 (1.52%) JNI
7 1 (1.52%) Spring
Miscellaneous
1 5 (7.58%) Algorithms
2 3 (4.55%) Tandem
3 2 (3.03%) Analytical Skills
3 2 (3.03%) Derivative
3 2 (3.03%) Fixed Income
3 2 (3.03%) Greenfield Project
3 2 (3.03%) Hybrid Cloud
3 2 (3.03%) Security Operations Centre
3 2 (3.03%) User Experience
4 1 (1.52%) AS400
4 1 (1.52%) Cloud Native
4 1 (1.52%) Data Centre
4 1 (1.52%) Device Driver
4 1 (1.52%) EMV
4 1 (1.52%) Foreign Exchange (FX)
4 1 (1.52%) Hedge funds
4 1 (1.52%) Linux Command Line
4 1 (1.52%) Management Information System
4 1 (1.52%) Mobile App
4 1 (1.52%) Smartphone
Operating Systems
1 12 (18.18%) Windows
2 10 (15.15%) Linux
3 5 (7.58%) Apple iOS
4 4 (6.06%) Unix
5 3 (4.55%) Red Hat Enterprise Linux
5 3 (4.55%) Windows 10
6 2 (3.03%) Android
6 2 (3.03%) Windows Server
7 1 (1.52%) AIX
7 1 (1.52%) CentOS
7 1 (1.52%) Debian
7 1 (1.52%) Mac OS X
7 1 (1.52%) Solaris
7 1 (1.52%) Ubuntu
7 1 (1.52%) Windows Embedded Compact
7 1 (1.52%) Windows Server 2003
7 1 (1.52%) Windows Server 2008
7 1 (1.52%) Windows Server 2012
7 1 (1.52%) zOS
Processes & Methodologies
1 16 (24.24%) Agile Software Development
2 8 (12.12%) Analytics
2 8 (12.12%) Scrum
2 8 (12.12%) TDD
3 7 (10.61%) Artificial Intelligence
3 7 (10.61%) Stakeholder Management
3 7 (10.61%) User Stories
4 6 (9.09%) Data Analytics
4 6 (9.09%) Mathematics
4 6 (9.09%) Migration
5 5 (7.58%) Microservices
5 5 (7.58%) Project Management
5 5 (7.58%) Refactoring
5 5 (7.58%) Strategic Thinking
5 5 (7.58%) Test Automation
6 4 (6.06%) Computer Science
6 4 (6.06%) ERP
6 4 (6.06%) Kanban
6 4 (6.06%) Software Engineering
6 4 (6.06%) Workflow
Programming Languages
1 16 (24.24%) C++
1 16 (24.24%) Java
2 15 (22.73%) SQL
3 13 (19.70%) Python
4 8 (12.12%) T-SQL
5 5 (7.58%) VB.NET
6 4 (6.06%) Apple Swift
6 4 (6.06%) Ruby
7 3 (4.55%) C#
7 3 (4.55%) Objective-C
7 3 (4.55%) PowerShell
7 3 (4.55%) R
8 2 (3.03%) Embedded C
8 2 (3.03%) Go
8 2 (3.03%) JavaScript
8 2 (3.03%) Perl
9 1 (1.52%) Bash Shell
9 1 (1.52%) Clojure
9 1 (1.52%) ClojureScript
9 1 (1.52%) Kotlin
Qualifications
1 7 (10.61%) Degree
2 4 (6.06%) Numerate Degree
3 3 (4.55%) Security Cleared
4 2 (3.03%) CISM
4 2 (3.03%) CISSP
4 2 (3.03%) Microsoft Certification
4 2 (3.03%) SC Cleared
5 1 (1.52%) CIPD
5 1 (1.52%) CISA
5 1 (1.52%) Computer Science Degree
5 1 (1.52%) CRISC
5 1 (1.52%) DV Cleared
5 1 (1.52%) GCIA
5 1 (1.52%) GCIH
5 1 (1.52%) MCSA
5 1 (1.52%) MCSE
5 1 (1.52%) PhD
5 1 (1.52%) SANS
Quality Assurance & Compliance
1 1 (1.52%) ISO 8583
1 1 (1.52%) PMO
1 1 (1.52%) QA
System Software
1 3 (4.55%) Active Directory
2 1 (1.52%) Citrix Hypervisor
2 1 (1.52%) Docker
2 1 (1.52%) XenApp
2 1 (1.52%) XenDesktop
Systems Management
1 3 (4.55%) Graphite
1 3 (4.55%) SCCM
2 2 (3.03%) Kubernetes
2 2 (3.03%) Microsoft Intune
2 2 (3.03%) Opscode Chef
2 2 (3.03%) Puppet
2 2 (3.03%) Salt
2 2 (3.03%) Terraform
3 1 (1.52%) Ansible
3 1 (1.52%) CSIRT
3 1 (1.52%) Packer
Vendors
1 14 (21.21%) Microsoft
2 7 (10.61%) Oracle
3 5 (7.58%) SAP
4 4 (6.06%) IBM
5 3 (4.55%) Adobe
5 3 (4.55%) Perforce
5 3 (4.55%) Red Hat
6 2 (3.03%) Salesforce.com
6 2 (3.03%) Workday
7 1 (1.52%) Bloomberg
7 1 (1.52%) Citrix
7 1 (1.52%) Cloudera
7 1 (1.52%) Hortonworks
7 1 (1.52%) Juniper
7 1 (1.52%) Palo Alto
7 1 (1.52%) ServiceNow
7 1 (1.52%) Splunk
7 1 (1.52%) Tableau
7 1 (1.52%) TIBCO
7 1 (1.52%) VMware