The table below looks at the statistics for C skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited C over the 3 months to 21 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
21 Jan 2017
Same period 2016 Same period 2015
C
London / City of London
Rank 124 112 114
Rank change year-on-year
-12 +2
Contract jobs citing C 31 37 81
As % of all contract IT jobs located in the City of London 1.07% 1.20% 1.58%
As % of the Programming Languages category 2.13% 2.72% 3.49%
Number of daily rates quoted 22 31 65
Median daily rate £508 £488 £413
Median daily rate % change year-on-year
+4.10% +18.18%
90% offered a daily rate of more than £379 £270 £297
10% offered a daily rate of more than £670 £638 £609
UK excluding London median daily rate £400 £375 £350
% change year-on-year
+6.66% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.00 £41.50 £35.00
% change year-on-year
-1.20% +18.57%

The following table is for comparison with the above and provides statistics for the entire Programming Languages category in contract jobs advertised in the City of London region.

Programming Languages Category
City of London
Contract IT job ads with a match in the
Programming Languages category
1458 1360 2320
As % of all contract IT jobs located in the City of London 50.38% 44.26% 45.33%
Number of daily rates quoted 1217 1121 1911
Median daily rate £475 £480 £463
Median daily rate % change year-on-year
-1.04% +3.78%
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £385 £375 £355
% change year-on-year
+2.66% +5.63%
Number of hourly rates quoted 0 10 3
Median hourly rate - £29.64 £50.00
Median hourly rate % change year-on-year
- -40.72%
UK excluding London median hourly rate £40.50 £40.00 £35.50
% change year-on-year
+1.25% +12.67%

C
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing C as a proportion of all IT contracts with a match in the Programming Languages category.

C Jobs Demand Trend in the City of London

C
Daily Rate Trend in the City of London

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

C Daily Rate Trend in the City of London

C
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing C across the City of London region over the 3 months to 21 January 2017.

C Daily Rate Histogram in the City of London

C
Hourly Rate Trend in the City of London

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

C Hourly Rate Trend in the City of London

C
Top 30 Related IT Skills in the City of London

For the 6 months to 21 January 2017, IT contractor jobs citing C also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for C.

1 58 (55.77%) Java
2 57 (54.81%) Python
3 50 (48.08%) Agile Software Development
4 41 (39.42%) DevOps
5 40 (38.46%) TDD
6 39 (37.50%) JSON
7 38 (36.54%) Amazon AWS
7 38 (36.54%) Jenkins
8 37 (35.58%) BDD
8 37 (35.58%) Linux
9 36 (34.62%) HTTP
9 36 (34.62%) High Availability
10 35 (33.65%) Microservices
11 33 (31.73%) Public Cloud
11 33 (31.73%) Protocol Buffers
11 33 (31.73%) Microsoft Azure
11 33 (31.73%) Pair Programming
12 31 (29.81%) Kafka
13 30 (28.85%) Video on Demand
13 30 (28.85%) MQTT
13 30 (28.85%) Finance
13 30 (28.85%) RTSP
14 25 (24.04%) C++
15 17 (16.35%) Banking
16 16 (15.38%) SQL
17 15 (14.42%) SDLC
18 14 (13.46%) Windows
18 14 (13.46%) Streaming Video
19 12 (11.54%) Red Hat
19 12 (11.54%) Perl

C
Top Related 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 4 (3.85%) Apache Spark
2 3 (2.88%) Apache
2 3 (2.88%) CMS
2 3 (2.88%) WebSphere
3 2 (1.92%) BizTalk Server
4 1 (0.96%) OpenStack
4 1 (0.96%) SharePoint
4 1 (0.96%) Skype for Business
Business Applications
1 2 (1.92%) Oracle Cash Management
2 1 (0.96%) Dynamics NAV
2 1 (0.96%) ION MarketView
2 1 (0.96%) RMDS
Cloud Services
1 38 (36.54%) Amazon AWS
2 33 (31.73%) Microsoft Azure
3 2 (1.92%) SaaS
4 1 (0.96%) Force.com
4 1 (0.96%) G Suite
4 1 (0.96%) Google Cloud Platform
Communications & Networking
1 36 (34.62%) HTTP
2 30 (28.85%) MQTT
2 30 (28.85%) RTSP
3 8 (7.69%) TCP/IP
4 6 (5.77%) Internet
5 3 (2.88%) Firewall
6 2 (1.92%) FTP
6 2 (1.92%) LAN
6 2 (1.92%) SSL
7 1 (0.96%) AMQP
7 1 (0.96%) Intranet
7 1 (0.96%) MRTG
7 1 (0.96%) Multicast
7 1 (0.96%) NAS
7 1 (0.96%) SAN
7 1 (0.96%) Unified Communications
7 1 (0.96%) VLAN
7 1 (0.96%) WebEx
7 1 (0.96%) Wireless
7 1 (0.96%) WLAN
Database & Business Intelligence
1 10 (9.62%) SQL Server
2 4 (3.85%) Hadoop
2 4 (3.85%) Oracle Database
2 4 (3.85%) Oracle Database 10g
2 4 (3.85%) Oracle Database 12c
3 3 (2.88%) NoSQL
3 3 (2.88%) PostgreSQL
4 2 (1.92%) MS Access
4 2 (1.92%) SQL Server Reporting Services
4 2 (1.92%) SQLPlus
4 2 (1.92%) Sybase ASE
5 1 (0.96%) Amazon Redshift
5 1 (0.96%) Big Data
5 1 (0.96%) DB2
5 1 (0.96%) MySQL
5 1 (0.96%) Relational Database
Development Applications
1 38 (36.54%) Jenkins
2 5 (4.81%) Git (software)
3 4 (3.85%) Subversion
4 3 (2.88%) Build Forge
4 3 (2.88%) CruiseControl
4 3 (2.88%) Hudson
4 3 (2.88%) JIRA
5 2 (1.92%) Cucumber
5 2 (1.92%) HP UFT
5 2 (1.92%) Selenium
5 2 (1.92%) Selenium IDE
5 2 (1.92%) SoapUI
5 2 (1.92%) Toad
5 2 (1.92%) WebDriver
6 1 (0.96%) JUnit
6 1 (0.96%) Mercurial
6 1 (0.96%) Oracle APEX
General
1 30 (28.85%) Finance
2 17 (16.35%) Banking
3 10 (9.62%) Front Office
4 3 (2.88%) Advertising
5 2 (1.92%) Law
5 2 (1.92%) Marketing
6 1 (0.96%) Games
6 1 (0.96%) Investment Banking
6 1 (0.96%) Retail
Job Titles
1 60 (57.69%) Developer
2 38 (36.54%) Java Developer
3 31 (29.81%) Senior Developer
4 27 (25.96%) Senior Java Developer
5 14 (13.46%) Agile Developer
6 13 (12.50%) Agile Java Developer
7 12 (11.54%) AWS Developer
7 12 (11.54%) Senior Agile Developer
7 12 (11.54%) Senior Agile Java Developer
8 7 (6.73%) C Developer
8 7 (6.73%) C++ Developer
8 7 (6.73%) DBA
9 6 (5.77%) Analyst
9 6 (5.77%) Architect
9 6 (5.77%) SQL DBA
10 5 (4.81%) Administrator
10 5 (4.81%) Perl Developer
10 5 (4.81%) Python Developer
11 4 (3.85%) Front Office Developer
11 4 (3.85%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 39 (37.50%) JSON
2 33 (31.73%) Protocol Buffers
3 31 (29.81%) Kafka
4 10 (9.62%) Web Services
5 9 (8.65%) .NET
6 8 (7.69%) HTML
6 8 (7.69%) REST
7 6 (5.77%) XML
8 5 (4.81%) JSP
8 5 (4.81%) SOAP
8 5 (4.81%) Spring
9 4 (3.85%) CGI
9 4 (3.85%) TIBCO EMS
10 3 (2.88%) CSS
10 3 (2.88%) Hibernate
10 3 (2.88%) J2EE
10 3 (2.88%) JPA
10 3 (2.88%) RSS
10 3 (2.88%) WPF
10 3 (2.88%) XSLT
Miscellaneous
1 33 (31.73%) Public Cloud
2 30 (28.85%) Video on Demand
3 14 (13.46%) Streaming Video
4 10 (9.62%) Computer Science
5 8 (7.69%) Client/Server
6 6 (5.77%) Analytical Skills
6 6 (5.77%) Derivative
7 5 (4.81%) Foreign Exchange (FX)
7 5 (4.81%) Replication
8 4 (3.85%) Clustering
9 3 (2.88%) Equities
9 3 (2.88%) Field-Programmable Gate Array
9 3 (2.88%) Fintech
9 3 (2.88%) Fixed Income
9 3 (2.88%) Inversion of Control
9 3 (2.88%) Web 2.0
10 2 (1.92%) CUDA
10 2 (1.92%) Management Information System
10 2 (1.92%) Mathematics
10 2 (1.92%) SWIFT
Operating Systems
1 37 (35.58%) Linux
2 14 (13.46%) Windows
3 8 (7.69%) Red Hat Enterprise Linux
3 8 (7.69%) Unix
4 6 (5.77%) Windows Server
5 5 (4.81%) CentOS
6 3 (2.88%) Ubuntu
6 3 (2.88%) Windows Server 2008
6 3 (2.88%) Windows Server 2012
7 2 (1.92%) MVS
7 2 (1.92%) Windows 2000
7 2 (1.92%) Windows 8
7 2 (1.92%) Windows Vista
7 2 (1.92%) Windows XP
8 1 (0.96%) Android
8 1 (0.96%) Solaris
8 1 (0.96%) zOS
Processes & Methodologies
1 50 (48.08%) Agile Software Development
2 41 (39.42%) DevOps
3 40 (38.46%) TDD
4 37 (35.58%) BDD
5 36 (34.62%) High Availability
6 35 (33.65%) Microservices
7 33 (31.73%) Pair Programming
8 15 (14.42%) SDLC
9 9 (8.65%) OO
9 9 (8.65%) Scrum
9 9 (8.65%) Waterfall
10 8 (7.69%) OOP
10 8 (7.69%) Project Management
11 7 (6.73%) ITIL
11 7 (6.73%) Low Latency
12 6 (5.77%) User Acceptance Testing
13 5 (4.81%) High-Frequency Trading
13 5 (4.81%) Migration
13 5 (4.81%) Multithreading
13 5 (4.81%) System Testing
Programming Languages
1 58 (55.77%) Java
2 57 (54.81%) Python
3 25 (24.04%) C++
4 16 (15.38%) SQL
5 12 (11.54%) Perl
6 8 (7.69%) Bash Shell
6 8 (7.69%) PHP
7 7 (6.73%) C#
7 7 (6.73%) VBA
8 6 (5.77%) Ruby
9 5 (4.81%) JavaScript
9 5 (4.81%) PowerShell
10 4 (3.85%) Go
11 3 (2.88%) COBOL
11 3 (2.88%) SPARQL
12 2 (1.92%) Delphi
12 2 (1.92%) Pascal
12 2 (1.92%) VB
12 2 (1.92%) VBScript
12 2 (1.92%) VC++
Qualifications
1 9 (8.65%) Degree
2 5 (4.81%) Microsoft Certification
3 4 (3.85%) IBM Certification
3 4 (3.85%) MCITP
3 4 (3.85%) OCP
3 4 (3.85%) Oracle Certification
4 3 (2.88%) Security Cleared
5 2 (1.92%) PMP
5 2 (1.92%) SC Cleared
6 1 (0.96%) BPSS Clearance
6 1 (0.96%) CCNA
6 1 (0.96%) Cisco Certification
6 1 (0.96%) JNCIA
6 1 (0.96%) MCSE
6 1 (0.96%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 2 (1.92%) QA
1 2 (1.92%) SEPA
1 2 (1.92%) TARGET2
1 2 (1.92%) WCAG
2 1 (0.96%) COSO
System Software
1 5 (4.81%) VMware Infrastructure
2 4 (3.85%) Oracle RAC
3 1 (0.96%) Hyper-V
3 1 (0.96%) vSphere
Systems Management
1 2 (1.92%) Ansible
1 2 (1.92%) HP Quality Center
1 2 (1.92%) NetBackup
2 1 (0.96%) ITRS Geneos
2 1 (0.96%) OMEGAMON
2 1 (0.96%) Thomson Reuters DACS
Vendors
1 12 (11.54%) Red Hat
2 11 (10.58%) Oracle
3 8 (7.69%) Microsoft
4 6 (5.77%) IBM
5 5 (4.81%) VMware
6 4 (3.85%) TIBCO
7 3 (2.88%) Cisco
7 3 (2.88%) HP
7 3 (2.88%) Salesforce.com
7 3 (2.88%) Sybase
8 2 (1.92%) Google
8 2 (1.92%) ION Trading
9 1 (0.96%) BMC
9 1 (0.96%) Brocade
9 1 (0.96%) Calypso
9 1 (0.96%) CommVault
9 1 (0.96%) Compuware
9 1 (0.96%) Informatica
9 1 (0.96%) Murex
9 1 (0.96%) Zend