The following table provides summary statistics for contract job vacancies advertised in the City of 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 3 months to 29 March 2017 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 / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 121 128 124
Rank change year-on-year +7 -4  
Contract jobs citing C 41 31 67
As % of all contract IT jobs advertised in the City of London 1.33% 0.92% 1.31%
As % of the Programming Languages category 2.73% 1.97% 3.00%
Number of daily rates quoted 28 27 54
Median daily rate £525 £475 £450
Median daily rate % change year-on-year +10.52% +5.55%  
90% offered a daily rate of more than £401 £308 £350
10% offered a daily rate of more than £625 £625 £660
UK excluding London median daily rate £420 £375 £350
% change year-on-year +12.00% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £26.00 -
UK excluding London median hourly rate £42.50 £40.00 £36.00
% change year-on-year +6.25% +11.11%  

C is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for programming language skills.

Contract Programming Language Skills
City of London
Contract job vacancies with a requirement for programming language skills 1500 1573 2232
As % of all contract IT job vacancies advertised in the City of London 48.83% 46.47% 43.64%
Number of daily rates quoted 1233 1332 1797
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% -  
90% offered a daily rate of more than £327 £325 £325
10% offered a daily rate of more than £625 £625 £615
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 3 8 7
Median hourly rate £28.35 £29.64 £27.37
Median hourly rate % change year-on-year -4.36% +8.29%  
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

C
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing C as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for C in the City of London

C
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for C in the City of London

C
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing C in the City of London over the 3 months to 29 March 2017.

Contractor daily rate histogram for C in the City of London

C
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for C in the City of London

For the 6 months to 29 March 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 36 (45.00%) Java
2 32 (40.00%) Finance
3 29 (36.25%) Python
4 26 (32.50%) Linux
5 21 (26.25%) C++
6 18 (22.50%) Agile Software Development
6 18 (22.50%) Banking
7 15 (18.75%) Degree
7 15 (18.75%) Windows
8 14 (17.50%) JSON
9 13 (16.25%) Amazon AWS
9 13 (16.25%) C#
9 13 (16.25%) DevOps
10 12 (15.00%) Jenkins
10 12 (15.00%) Front Office
10 12 (15.00%) TDD
11 11 (13.75%) Computer Science
11 11 (13.75%) Project Management
11 11 (13.75%) High Availability
12 10 (12.50%) Microservices
12 10 (12.50%) SQL
13 9 (11.25%) TCP/IP
13 9 (11.25%) Bash Shell
13 9 (11.25%) BDD
14 8 (10.00%) Microsoft Azure
14 8 (10.00%) Protocol Buffers
14 8 (10.00%) Public Cloud
14 8 (10.00%) SDLC
14 8 (10.00%) Pair Programming
14 8 (10.00%) Shell Script

C
Co-occurring 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 (5.00%) Apache Spark
2 3 (3.75%) SharePoint
2 3 (3.75%) Skype for Business
3 2 (2.50%) CMS
3 2 (2.50%) WebSphere
4 1 (1.25%) Confluence
4 1 (1.25%) Exchange Server 2010
4 1 (1.25%) Exchange Server 2013
4 1 (1.25%) MS Exchange
4 1 (1.25%) OpenStack
Applications
1 6 (7.50%) MS Office
2 5 (6.25%) MS Excel
3 2 (2.50%) Adobe Creative Suite
4 1 (1.25%) MS Project
4 1 (1.25%) MS Visio
Cloud Services
1 13 (16.25%) Amazon AWS
2 8 (10.00%) Microsoft Azure
3 2 (2.50%) SaaS
4 1 (1.25%) Google Cloud Platform
4 1 (1.25%) IaaS
4 1 (1.25%) Office 365
Communications & Networking
1 9 (11.25%) TCP/IP
2 7 (8.75%) HTTP
3 5 (6.25%) MQTT
3 5 (6.25%) RTSP
4 3 (3.75%) Unified Communications
4 3 (3.75%) WebEx
5 2 (2.50%) DHCP
5 2 (2.50%) DNS
5 2 (2.50%) Firewall
5 2 (2.50%) Internet
5 2 (2.50%) NAS
5 2 (2.50%) SAN
5 2 (2.50%) Skype
5 2 (2.50%) SSL
5 2 (2.50%) Telepresence
6 1 (1.25%) AMQP
6 1 (1.25%) LAN
6 1 (1.25%) VLAN
6 1 (1.25%) Wireless
6 1 (1.25%) WLAN
Database & Business Intelligence
1 5 (6.25%) SQL Server
2 4 (5.00%) Hadoop
3 3 (3.75%) SQL Server Integration Services
3 3 (3.75%) Tick Data
4 2 (2.50%) DB2
5 1 (1.25%) Amazon Redshift
5 1 (1.25%) Big Data
5 1 (1.25%) Blockchain
5 1 (1.25%) Data Warehouse
5 1 (1.25%) KDB
5 1 (1.25%) NoSQL
5 1 (1.25%) Oracle Reports
5 1 (1.25%) PostgreSQL
5 1 (1.25%) Relational Database
Development Applications
1 12 (15.00%) Jenkins
2 3 (3.75%) Build Forge
2 3 (3.75%) CruiseControl
2 3 (3.75%) Hudson
2 3 (3.75%) JIRA
3 1 (1.25%) Cucumber
3 1 (1.25%) Git (software)
3 1 (1.25%) JUnit
General
1 32 (40.00%) Finance
2 18 (22.50%) Banking
3 12 (15.00%) Front Office
4 3 (3.75%) Investment Banking
4 3 (3.75%) Law
5 2 (2.50%) Back Office
5 2 (2.50%) Retail
6 1 (1.25%) Advertising
6 1 (1.25%) Financial Institution
6 1 (1.25%) Games
6 1 (1.25%) International Banking
6 1 (1.25%) Legal
6 1 (1.25%) Marketing
6 1 (1.25%) Retail Banking
Job Titles
1 31 (38.75%) Developer
2 13 (16.25%) Java Developer
3 9 (11.25%) Analyst
4 7 (8.75%) C++ Developer
4 7 (8.75%) Project Manager
5 6 (7.50%) Architect
5 6 (7.50%) C Developer
5 6 (7.50%) Python Developer
6 5 (6.25%) Analyst Programmer
6 5 (6.25%) C# Programmer
6 5 (6.25%) IT Manager
6 5 (6.25%) Java Analyst Programmer
6 5 (6.25%) Java Programmer
6 5 (6.25%) Programmer
6 5 (6.25%) SQL Analyst
6 5 (6.25%) SQL Programmer
7 4 (5.00%) C/C++ Developer
7 4 (5.00%) DevOps Engineer
7 4 (5.00%) Integration Analyst
7 4 (5.00%) IT Project Manager
Libraries, Frameworks & Software Standards
1 14 (17.50%) JSON
2 8 (10.00%) Protocol Buffers
3 6 (7.50%) Hibernate
3 6 (7.50%) Kafka
3 6 (7.50%) REST
3 6 (7.50%) Spring
4 5 (6.25%) .NET
5 4 (5.00%) HTML
5 4 (5.00%) J2EE
5 4 (5.00%) TIBCO EMS
5 4 (5.00%) Web Services
6 3 (3.75%) Boost C++ Libraries
6 3 (3.75%) CSS
6 3 (3.75%) JPA
6 3 (3.75%) JSP
6 3 (3.75%) NHibernate
6 3 (3.75%) RSS
6 3 (3.75%) WPF
6 3 (3.75%) XML
6 3 (3.75%) XSLT
Miscellaneous
1 11 (13.75%) Computer Science
2 8 (10.00%) Public Cloud
3 7 (8.75%) Analytical Skills
4 6 (7.50%) Derivative
5 5 (6.25%) Video on Demand
6 4 (5.00%) Algorithms
6 4 (5.00%) Equities
6 4 (5.00%) Foreign Exchange (FX)
7 3 (3.75%) Field-Programmable Gate Array
7 3 (3.75%) Fixed Income
7 3 (3.75%) Video Conferencing
7 3 (3.75%) Web 2.0
8 2 (2.50%) Client/Server
8 2 (2.50%) Hybrid Cloud
8 2 (2.50%) Management Information System
8 2 (2.50%) Replication
9 1 (1.25%) Credit Risk
9 1 (1.25%) Mainframe
9 1 (1.25%) Robotics
9 1 (1.25%) Streaming Video
Operating Systems
1 26 (32.50%) Linux
2 15 (18.75%) Windows
3 7 (8.75%) Unix
4 6 (7.50%) CentOS
5 5 (6.25%) Windows Server
6 3 (3.75%) Apple iOS
6 3 (3.75%) Ubuntu
7 2 (2.50%) Mac OS
7 2 (2.50%) Red Hat Enterprise Linux
7 2 (2.50%) Windows 7
7 2 (2.50%) Windows Server 2012
8 1 (1.25%) Android
8 1 (1.25%) MVS
8 1 (1.25%) Solaris
8 1 (1.25%) Windows Server 2008
8 1 (1.25%) zOS
Processes & Methodologies
1 18 (22.50%) Agile Software Development
2 13 (16.25%) DevOps
3 12 (15.00%) TDD
4 11 (13.75%) High Availability
4 11 (13.75%) Project Management
5 10 (12.50%) Microservices
6 9 (11.25%) BDD
7 8 (10.00%) Pair Programming
7 8 (10.00%) SDLC
8 7 (8.75%) Continuous Integration
8 7 (8.75%) Low Latency
8 7 (8.75%) Mathematics
9 6 (7.50%) High-Frequency Trading
9 6 (7.50%) ITIL
10 5 (6.25%) Business Analysis
10 5 (6.25%) Investment Management
10 5 (6.25%) Scrum
10 5 (6.25%) Stakeholder Management
10 5 (6.25%) Waterfall
11 4 (5.00%) Asset Management
Programming Languages
1 36 (45.00%) Java
2 29 (36.25%) Python
3 21 (26.25%) C++
4 13 (16.25%) C#
5 10 (12.50%) SQL
6 9 (11.25%) Bash Shell
7 8 (10.00%) Shell Script
8 7 (8.75%) Ruby
9 6 (7.50%) Perl
10 4 (5.00%) PHP
10 4 (5.00%) PowerShell
10 4 (5.00%) VB
11 3 (3.75%) VBA
12 2 (2.50%) COBOL
12 2 (2.50%) JavaScript
12 2 (2.50%) Objective-C
13 1 (1.25%) ActionScript
13 1 (1.25%) F#
13 1 (1.25%) SPARQL
13 1 (1.25%) VC++
Qualifications
1 15 (18.75%) Degree
2 4 (5.00%) Security Cleared
3 2 (2.50%) SC Cleared
4 1 (1.25%) BPSS Clearance
4 1 (1.25%) CCNA
4 1 (1.25%) Cisco Certification
4 1 (1.25%) DV Cleared
4 1 (1.25%) ITIL Certification
4 1 (1.25%) JNCIA
4 1 (1.25%) MCSE
4 1 (1.25%) Microsoft Certification
4 1 (1.25%) PhD
4 1 (1.25%) PMP
4 1 (1.25%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 7 (8.75%) SEPA
2 1 (1.25%) Dodd-Frank
2 1 (1.25%) MiFID
2 1 (1.25%) PMO
2 1 (1.25%) QA
System Software
1 6 (7.50%) VMware Infrastructure
2 3 (3.75%) Active Directory
3 1 (1.25%) Hyper-V
3 1 (1.25%) vSphere
3 1 (1.25%) XenDesktop
Systems Management
1 2 (2.50%) Ansible
1 2 (2.50%) NetBackup
2 1 (1.25%) OMEGAMON
2 1 (1.25%) SCCM
Vendors
1 8 (10.00%) Microsoft
2 7 (8.75%) Red Hat
2 7 (8.75%) VMware
3 5 (6.25%) Cisco
3 5 (6.25%) Sybase
3 5 (6.25%) webMethods
4 4 (5.00%) TIBCO
5 3 (3.75%) Apple
5 3 (3.75%) IBM
5 3 (3.75%) Infragistics
6 2 (2.50%) Adobe
6 2 (2.50%) Google
6 2 (2.50%) MobileIron
6 2 (2.50%) Polycom
6 2 (2.50%) ServiceNow
7 1 (1.25%) 3PAR
7 1 (1.25%) Facebook
7 1 (1.25%) Isilon
7 1 (1.25%) Pega
7 1 (1.25%) Splunk
City, London
TEKsystems
Rate: £550 - £650 per day
Posted: 2 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £450 - £500 per day + 6 month term initailly
Posted: 2 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £500 - £550 per day + 6 month term initailly
Posted: 2 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £550 - £600 per day
Posted: 2 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £500 - £550 per day
Posted: 2 days ago