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 3 months to 30 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
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 129 163 159
Rank change year-on-year +34 -4  
Contract jobs citing C 377 348 323
As % of all contract IT jobs advertised in London 1.91% 1.54% 1.51%
As % of the Programming Languages category 4.16% 3.62% 3.61%
Number of daily rates quoted 237 262 216
Median daily rate £500 £440 £450
Median daily rate % change year-on-year +13.63% -2.22%  
90% offered a daily rate of more than £350 £300 £323
10% offered a daily rate of more than £625 £625 £650
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 12 6 4
Median hourly rate £47.00 £23.03 £35.00
Median hourly rate % change year-on-year +104.12% -34.21%  
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 London with a requirement for programming language skills.

Contract Programming Language Skills
London
Contract job vacancies with a requirement for programming language skills 9071 9603 8953
As % of all contract IT job vacancies advertised in London 46.03% 42.56% 41.79%
Number of daily rates quoted 6747 7235 6478
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 71 51 45
Median hourly rate £44.25 £32.50 £27.37
Median hourly rate % change year-on-year +36.15% +18.74%  
90% offered a hourly rate of more than £27.65 £17.50 £20.00
10% offered a hourly rate of more than £55.00 £53.25 £54.50
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 London

The job posting trend of jobs advertised in 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 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 3 months to 30 March 2017.

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 3 months to 30 March 2017.

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 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +22 40 £525 +13.51% 24
Heathrow -1 9 £360 +2.85%
Croydon +9 4 £550 +18.91%
West End of London - 4 £500 - 5
Brentford - 4 - -
Canary Wharf -2 3 £573 -16.42%
Bromley - 2 £550 -
Feltham +3 1 - - 1
Osterley -1 1 - -
Docklands, London -3 1 £600 -20.00%
Hounslow - 1 £450 -
C
England

For the 6 months to 30 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 London region with a requirement for C.

1 248 (34.78%) Java
2 198 (27.77%) C++
3 185 (25.95%) Linux
4 173 (24.26%) Finance
5 161 (22.58%) Python
6 140 (19.64%) Windows
7 133 (18.65%) Security Cleared
8 128 (17.95%) Agile Software Development
9 117 (16.41%) SQL
10 97 (13.60%) Microsoft
11 89 (12.48%) C#
12 84 (11.78%) Degree
13 83 (11.64%) Unix
14 80 (11.22%) Banking
15 78 (10.94%) DevOps
16 76 (10.66%) SC Cleared
17 75 (10.52%) SDLC
18 67 (9.40%) Software Engineering
19 65 (9.12%) Computer Science
20 64 (8.98%) Perl
20 64 (8.98%) MS Excel
21 63 (8.84%) Active Directory
22 60 (8.42%) JavaScript
23 57 (7.99%) Project Management
24 56 (7.85%) Oracle
25 55 (7.71%) DV Cleared
26 54 (7.57%) TDD
27 52 (7.29%) SQL Server
28 51 (7.15%) Web Services
28 51 (7.15%) Amazon AWS

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 30 (4.21%) Apache
2 24 (3.37%) nginx
3 21 (2.95%) SharePoint
4 19 (2.66%) Skype for Business
4 19 (2.66%) WebSphere
5 15 (2.10%) Confluence
5 15 (2.10%) Tomcat
6 13 (1.82%) Apache Spark
7 12 (1.68%) CMS
8 11 (1.54%) IIS
9 8 (1.12%) Oracle SOA Suite
9 8 (1.12%) WebLogic
10 5 (0.70%) Apache Pig
10 5 (0.70%) Cloud Foundry
10 5 (0.70%) Elasticsearch
11 4 (0.56%) Ethereum
11 4 (0.56%) Hyperledger
11 4 (0.56%) OpenStack
11 4 (0.56%) Oracle Self-Service HR
12 3 (0.42%) Apache Qpid
Applications
1 64 (8.98%) MS Excel
2 30 (4.21%) MS Office
3 21 (2.95%) MS PowerPoint
4 12 (1.68%) MS Project
5 9 (1.26%) MS Visio
6 3 (0.42%) Adobe Creative Suite
6 3 (0.42%) InfoPath
7 2 (0.28%) Photoshop
7 2 (0.28%) Simulink
8 1 (0.14%) AutoCAD
Business Applications
1 19 (2.66%) Dynamics NAV
2 15 (2.10%) ION MarketView
3 12 (1.68%) Oracle iRecruitment
4 8 (1.12%) Oracle EBS
5 5 (0.70%) Endur
6 4 (0.56%) Oracle Payroll
7 3 (0.42%) Dynamics AX
8 2 (0.28%) Cognos TM1
8 2 (0.28%) Oracle Applications
8 2 (0.28%) Oracle BPM
8 2 (0.28%) Oracle ERP
8 2 (0.28%) Oracle Payables
8 2 (0.28%) Oracle Receivables
8 2 (0.28%) SAP HCM
8 2 (0.28%) Sonata
9 1 (0.14%) Oracle Financials
9 1 (0.14%) Oracle HRMS
9 1 (0.14%) RMDS
9 1 (0.14%) SAP Hybris
9 1 (0.14%) SAP Oil and Gas
Cloud Services
1 51 (7.15%) Amazon AWS
2 40 (5.61%) Microsoft Azure
3 30 (4.21%) Office 365
4 13 (1.82%) IaaS
5 12 (1.68%) PaaS
6 11 (1.54%) SaaS
7 8 (1.12%) Azure Active Directory
7 8 (1.12%) Oracle CX
8 7 (0.98%) Amazon EC2
9 5 (0.70%) Amazon CloudWatch
9 5 (0.70%) Amazon S3
9 5 (0.70%) Amazon SQS
9 5 (0.70%) AWS CloudFormation
9 5 (0.70%) GitHub
10 4 (0.56%) OneDrive
11 3 (0.42%) Cloud Computing
11 3 (0.42%) Google Cloud Platform
12 2 (0.28%) Adobe Analytics
12 2 (0.28%) G Suite
13 1 (0.14%) Yammer
Communications & Networking
1 40 (5.61%) DNS
1 40 (5.61%) TCP/IP
2 39 (5.47%) HTTP
3 34 (4.77%) Internet
4 30 (4.21%) SSL
5 28 (3.93%) VPN
6 27 (3.79%) DHCP
7 24 (3.37%) Firewall
8 18 (2.52%) LDAP
9 11 (1.54%) BGP
9 11 (1.54%) IPsec
9 11 (1.54%) Skype
9 11 (1.54%) Unified Communications
10 10 (1.40%) WebEx
11 9 (1.26%) Wireless
12 7 (0.98%) IP Telephony
12 7 (0.98%) SAN
12 7 (0.98%) Telepresence
12 7 (0.98%) Wi-Fi
13 6 (0.84%) MQTT
Database & Business Intelligence
1 52 (7.29%) SQL Server
2 22 (3.09%) Big Data
2 22 (3.09%) Hadoop
3 20 (2.81%) Relational Database
4 13 (1.82%) KDB
5 12 (1.68%) PostgreSQL
6 11 (1.54%) NoSQL
6 11 (1.54%) Oracle Database
6 11 (1.54%) SQL Server Integration Services
7 10 (1.40%) Data Warehouse
8 9 (1.26%) DB2
8 9 (1.26%) MySQL
9 8 (1.12%) HBase
9 8 (1.12%) Kdb+
9 8 (1.12%) Oracle ODI
10 7 (0.98%) Apache Hive
10 7 (0.98%) Oracle BI EE
10 7 (0.98%) SQL Server Reporting Services
10 7 (0.98%) Tick Data
11 6 (0.84%) GIS
Development Applications
1 37 (5.19%) Jenkins
2 33 (4.63%) Git (software)
3 27 (3.79%) JIRA
4 14 (1.96%) Subversion
5 10 (1.40%) Atlassian Bamboo
5 10 (1.40%) Maven
6 7 (0.98%) Octopus Deploy
7 6 (0.84%) TeamCity
8 5 (0.70%) Android Studio
8 5 (0.70%) Mercurial
8 5 (0.70%) Talend Open Studio
8 5 (0.70%) Team Foundation Server
8 5 (0.70%) Visual Studio
9 4 (0.56%) Bitbucket
9 4 (0.56%) Build Forge
9 4 (0.56%) CruiseControl
9 4 (0.56%) Gradle
9 4 (0.56%) Hudson
9 4 (0.56%) Vagrant
9 4 (0.56%) Xcode
General
1 173 (24.26%) Finance
2 80 (11.22%) Banking
3 41 (5.75%) Front Office
4 26 (3.65%) Law
5 25 (3.51%) Investment Banking
6 22 (3.09%) Retail
7 18 (2.52%) Telecoms
8 15 (2.10%) Marketing
8 15 (2.10%) Military
9 12 (1.68%) Games
10 9 (1.26%) Electronics
11 8 (1.12%) Legal
12 6 (0.84%) Back Office
12 6 (0.84%) Billing
12 6 (0.84%) Publishing
13 5 (0.70%) Financial Institution
14 4 (0.56%) Retail Banking
15 3 (0.42%) Advertising
15 3 (0.42%) Aerospace
15 3 (0.42%) Corporate Banking
Job Titles
1 208 (29.17%) Developer
2 96 (13.46%) Architect
3 64 (8.98%) Analyst
4 60 (8.42%) Java Developer
5 55 (7.71%) Consultant
6 54 (7.57%) C++ Developer
7 40 (5.61%) Business Analyst
8 36 (5.05%) Software Engineer
9 30 (4.21%) Project Manager
10 29 (4.07%) Technical Architect
11 28 (3.93%) C Developer
12 25 (3.51%) AWS DevOps
12 25 (3.51%) Linux Engineer
13 24 (3.37%) C# Developer
14 23 (3.23%) Infrastructure Architect
14 23 (3.23%) Senior Developer
15 22 (3.09%) DevOps Engineer
16 20 (2.81%) Linux Developer
16 20 (2.81%) Oracle Architect
16 20 (2.81%) Systems Engineer
Libraries, Frameworks & Software Standards
1 51 (7.15%) Web Services
2 48 (6.73%) HTML
3 46 (6.45%) .NET
4 44 (6.17%) XML
5 41 (5.75%) JSON
6 26 (3.65%) J2EE
7 25 (3.51%) JNI
8 24 (3.37%) CSS
9 22 (3.09%) REST
10 18 (2.52%) Middleware
10 18 (2.52%) XSLT
11 16 (2.24%) AngularJS
11 16 (2.24%) Boost C++ Libraries
11 16 (2.24%) RSS
12 13 (1.82%) SOAP
12 13 (1.82%) STL
12 13 (1.82%) WebSphere MQ
13 12 (1.68%) PostGIS
14 11 (1.54%) Kafka
14 11 (1.54%) RESTful
Miscellaneous
1 65 (9.12%) Computer Science
2 49 (6.87%) Analytical Skills
3 40 (5.61%) Foreign Exchange (FX)
4 38 (5.33%) Fixed Income
5 37 (5.19%) Equities
6 36 (5.05%) PKI
7 35 (4.91%) Data Centre
8 23 (3.23%) Algorithms
9 22 (3.09%) Management Information System
10 20 (2.81%) Derivative
11 16 (2.24%) Embedded Systems
11 16 (2.24%) Mobile App
11 16 (2.24%) Web 2.0
12 12 (1.68%) Client/Server
13 10 (1.40%) Device Driver
13 10 (1.40%) Public Cloud
13 10 (1.40%) Video Conferencing
14 9 (1.26%) Hybrid Cloud
14 9 (1.26%) Market Risk
14 9 (1.26%) User Experience
Operating Systems
1 185 (25.95%) Linux
2 140 (19.64%) Windows
3 83 (11.64%) Unix
4 44 (6.17%) Windows Server
5 27 (3.79%) CentOS
6 25 (3.51%) Windows 10
7 24 (3.37%) Android
8 22 (3.09%) Red Hat Enterprise Linux
9 16 (2.24%) Ubuntu
10 15 (2.10%) Apple iOS
11 13 (1.82%) Windows 7
12 12 (1.68%) Solaris
13 10 (1.40%) Windows Server 2012
14 9 (1.26%) Windows Server 2008
15 8 (1.12%) Mac OS
16 5 (0.70%) AIX
16 5 (0.70%) MVS
17 3 (0.42%) Embedded Linux
17 3 (0.42%) Tizen
18 2 (0.28%) SUSE Linux Enterprise Server
Processes & Methodologies
1 128 (17.95%) Agile Software Development
2 78 (10.94%) DevOps
3 75 (10.52%) SDLC
4 67 (9.40%) Software Engineering
5 57 (7.99%) Project Management
6 54 (7.57%) TDD
7 46 (6.45%) Multithreading
8 45 (6.31%) ITIL
8 45 (6.31%) Migration
8 45 (6.31%) Scrum
9 43 (6.03%) Stakeholder Management
10 38 (5.33%) Low Latency
11 35 (4.91%) Continuous Integration
12 34 (4.77%) Open Source
13 33 (4.63%) Change Management
13 33 (4.63%) OO
14 29 (4.07%) Business Analysis
14 29 (4.07%) Risk Management
15 28 (3.93%) Configuration Management
15 28 (3.93%) Electronic Trading
Programming Languages
1 248 (34.78%) Java
2 198 (27.77%) C++
3 161 (22.58%) Python
4 117 (16.41%) SQL
5 89 (12.48%) C#
6 64 (8.98%) Perl
7 60 (8.42%) JavaScript
8 38 (5.33%) Bash Shell
9 34 (4.77%) PHP
10 32 (4.49%) Ruby
11 29 (4.07%) Shell Script
12 20 (2.81%) Go
12 20 (2.81%) PowerShell
13 19 (2.66%) MATLAB
14 14 (1.96%) VB
15 12 (1.68%) Objective-C
16 11 (1.54%) VBA
17 9 (1.26%) R
17 9 (1.26%) Scala
18 8 (1.12%) SPARQL
Qualifications
1 133 (18.65%) Security Cleared
2 84 (11.78%) Degree
3 76 (10.66%) SC Cleared
4 55 (7.71%) DV Cleared
5 13 (1.82%) AWS Certification
6 7 (0.98%) ITIL Certification
7 6 (0.84%) CISA
8 5 (0.70%) Cisco Certification
9 4 (0.56%) CBAP
9 4 (0.56%) CCNA
9 4 (0.56%) CCNP
9 4 (0.56%) CEH
9 4 (0.56%) CISSP
9 4 (0.56%) ISEB
9 4 (0.56%) PhD
9 4 (0.56%) PMP
9 4 (0.56%) PRINCE2 Practitioner
10 3 (0.42%) ISTQB
10 3 (0.42%) OSCP
10 3 (0.42%) Six Sigma Black Belt
Quality Assurance & Compliance
1 25 (3.51%) QA
2 11 (1.54%) JSP 440
3 9 (1.26%) PMO
4 7 (0.98%) SEPA
5 5 (0.70%) Sarbanes-Oxley
6 4 (0.56%) Def Stans
7 3 (0.42%) Data Quality
7 3 (0.42%) ISO/IEC 27001
7 3 (0.42%) MiFID
8 2 (0.28%) DO-178B
9 1 (0.14%) Actionable Recommendations
9 1 (0.14%) Disclosure Scotland
9 1 (0.14%) Dodd-Frank
9 1 (0.14%) FATCA
9 1 (0.14%) GDPR
9 1 (0.14%) ISO15022
9 1 (0.14%) ISO20022
9 1 (0.14%) MISRA
9 1 (0.14%) MISRA C
9 1 (0.14%) PCI DSS
System Software
1 63 (8.84%) Active Directory
2 44 (6.17%) Docker
3 26 (3.65%) VMware Infrastructure
4 8 (1.12%) XenApp
5 6 (0.84%) Firmware
6 5 (0.70%) vCloud
7 4 (0.56%) RHEV
8 3 (0.42%) NFS
8 3 (0.42%) Shibboleth
8 3 (0.42%) Virtual Desktop
8 3 (0.42%) XenServer
9 2 (0.28%) Hyper-V
9 2 (0.28%) Squid
9 2 (0.28%) vSphere
10 1 (0.14%) HDFS
10 1 (0.14%) KVM
10 1 (0.14%) Virtual Machines
10 1 (0.14%) VMware ESXi
10 1 (0.14%) Xen
10 1 (0.14%) XenDesktop
Systems Management
1 35 (4.91%) Puppet
2 32 (4.49%) Ansible
3 26 (3.65%) SCCM
4 22 (3.09%) Microsoft Intune
4 22 (3.09%) SCOM
5 21 (2.95%) Kubernetes
6 19 (2.66%) Opscode Chef
7 18 (2.52%) Rancher
8 12 (1.68%) Graphite
9 7 (0.98%) Terraform
10 6 (0.84%) Cisco CUCM
10 6 (0.84%) yum
11 5 (0.70%) SELinux
12 3 (0.42%) Control-M
12 3 (0.42%) HP Fortify
12 3 (0.42%) Mesos
12 3 (0.42%) Tivoli Storage Manager
13 2 (0.28%) Nagios
13 2 (0.28%) NetBackup
13 2 (0.28%) Salt
Vendors
1 97 (13.60%) Microsoft
2 56 (7.85%) Oracle
3 44 (6.17%) Red Hat
4 35 (4.91%) VMware
5 27 (3.79%) IBM
6 25 (3.51%) Cisco
7 22 (3.09%) ION Trading
8 19 (2.66%) SAP
9 16 (2.24%) Sybase
10 14 (1.96%) Citrix
10 14 (1.96%) TIBCO
11 13 (1.82%) ServiceNow
12 11 (1.54%) Google
13 10 (1.40%) SolarWinds
14 9 (1.26%) Atlassian
15 8 (1.12%) HP
15 8 (1.12%) Kronos
16 7 (0.98%) Adobe
16 7 (0.98%) Informatica
16 7 (0.98%) Infragistics
London
iKas International
Posted: 18 hours ago
City, London
TEKsystems
Rate: £550 - £650 per day
Posted: 3 days ago
Feltham
aap3
Rate: £350 - £500 per day
Posted: 14 hours ago
London
Quant Capital
Rate: Up to £350 per day
Posted: 2 days ago
London
Careerwise UK Limited
Rate: £475 - £500 per day
Posted: 2 days ago
London
Nigel Frank International
Rate: £450 per annum
Posted: 8 hours ago
London
CPS Group Limited
Posted: 3 days ago
London
Nigel Frank International
Rate: £400 - £500 per day
Posted: 3 days ago
London
Nigel Frank International
Rate: £400 - £500 per day
Posted: 3 days ago
London
Nigel Frank International
Rate: £500 - £600 per day
Posted: 7 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £450 - £500 per day + 6 month term initailly
Posted: 3 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £500 - £550 per day + 6 month term initailly
Posted: 3 days ago
London
Square One Resources
Rate: Unspecified Market Rates
Posted: 3 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £550 - £600 per day
Posted: 3 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £500 - £550 per day
Posted: 3 days ago