Period
to 24 November 2017

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 24 November 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
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 205 160 163
Rank change year-on-year -45 +3 +11
Contract jobs citing C 622 771 705
As % of all contract IT jobs advertised in London 1.32% 1.71% 1.50%
As % of the Programming Languages category 2.72% 3.83% 3.45%
Number of daily rates quoted 397 470 514
London median daily rate £500 £475 £425
Median daily rate % change year-on-year +5.26% +11.76% +3.66%
10th Percentile £345 £313 £275
90th Percentile £725 £650 £675
England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +6.67%
Number of hourly rates quoted 27 16 16
London median hourly rate £40.00 £40.00 £39.00
Median hourly rate % change year-on-year - +2.56% +122.86%
10th Percentile £20.60 £15.67 £13.31
90th Percentile £48.75 £45.00 £43.75
England median hourly rate £42.00 £40.00 £38.50
% change year-on-year +5.00% +3.90% +11.59%

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 22856 20138 20409
As % of all contract IT jobs advertised in London 48.53% 44.65% 43.48%
Number of daily rates quoted 17317 15040 15215
London median daily rate £500 £470 £450
Median daily rate % change year-on-year +6.38% +4.44% +5.88%
10th Percentile £350 £313 £305
90th Percentile £675 £633 £638
England median daily rate £463 £425 £413
% change year-on-year +8.82% +3.03% +3.13%
Number of hourly rates quoted 150 116 139
London median hourly rate £35.00 £33.18 £24.23
Median hourly rate % change year-on-year +5.48% +36.95% -16.45%
10th Percentile £18.02 £16.07 £13.50
90th Percentile £52.55 £57.19 £50.43
England median hourly rate £40.00 £37.50 £37.45
% change year-on-year +6.67% +0.13% +21.79%

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 24 November 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 6 months to 24 November 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 6 months to 24 November 2017. 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 -28 94 £525 - 43
West London -14 55 £469 +30.21% 23
East London -14 14 £625 +113.68% 8
South London -35 14 £475 +15.15% 2
North London -6 5 £415 +38.33% 1
C
England

For the 6 months to 24 November 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.

1 220 (35.37%) C++
2 169 (27.17%) Linux
3 165 (26.53%) Java
4 134 (21.54%) Agile Software Development
5 129 (20.74%) Finance
6 120 (19.29%) Python
7 115 (18.49%) SQL
8 91 (14.63%) Degree
9 89 (14.31%) Banking
10 87 (13.99%) Windows
11 85 (13.67%) Security Cleared
12 81 (13.02%) Software Engineering
13 71 (11.41%) C#
14 66 (10.61%) SDLC
15 63 (10.13%) Computer Science
16 60 (9.65%) Perl
17 59 (9.49%) JavaScript
17 59 (9.49%) Multithreading
17 59 (9.49%) Analytical Skills
18 54 (8.68%) Oracle
18 54 (8.68%) Microsoft
19 52 (8.36%) Unix
20 50 (8.04%) Stakeholder Management
21 47 (7.56%) Foreign Exchange (FX)
22 46 (7.40%) Project Management
22 46 (7.40%) Android
23 45 (7.23%) TDD
24 44 (7.07%) DV Cleared
25 43 (6.91%) ITIL
25 43 (6.91%) .NET

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 21 (3.38%) Apache
2 15 (2.41%) WebSphere
3 10 (1.61%) Confluence
3 10 (1.61%) Elasticsearch
3 10 (1.61%) SharePoint
4 7 (1.13%) Tomcat
5 6 (0.96%) Apache Solr
5 6 (0.96%) SAS
5 6 (0.96%) WebLogic
5 6 (0.96%) WebSphere Portal
6 5 (0.80%) Apache Spark
6 5 (0.80%) IIS
6 5 (0.80%) MS Exchange
7 4 (0.64%) OpenStack
8 3 (0.48%) CMS
9 2 (0.32%) EPiServer
9 2 (0.32%) Hyperledger
9 2 (0.32%) Oracle SOA Suite
9 2 (0.32%) Sitecore CMS
9 2 (0.32%) WebSphere Application Server
Applications
1 31 (4.98%) Microsoft Excel
2 16 (2.57%) Microsoft Office
3 11 (1.77%) Microsoft PowerPoint
4 6 (0.96%) Microsoft Project
5 5 (0.80%) MS Visio
6 4 (0.64%) Spreadsheet
7 1 (0.16%) Chatbot
7 1 (0.16%) Doxygen
7 1 (0.16%) OrCAD
7 1 (0.16%) SPSS
7 1 (0.16%) Stata
Business Applications
1 11 (1.77%) ION MarketView
2 6 (0.96%) Oracle BPM
3 5 (0.80%) Dynamics NAV
3 5 (0.80%) RMDS
4 3 (0.48%) Oracle EBS
4 3 (0.48%) Summit
5 2 (0.32%) Eloqua
5 2 (0.32%) Magento
5 2 (0.32%) Oracle ERP
5 2 (0.32%) R3 Corda
5 2 (0.32%) Sonata
6 1 (0.16%) Dynamics AX
6 1 (0.16%) Oracle Retail
6 1 (0.16%) Payment Gateway
6 1 (0.16%) SAP BPC
6 1 (0.16%) SAP CO
6 1 (0.16%) SAP FI/CO
6 1 (0.16%) SAP FSCM
6 1 (0.16%) SAP HCM
6 1 (0.16%) Workday HCM
Cloud Services
1 35 (5.63%) Amazon AWS
2 21 (3.38%) Microsoft Azure
3 16 (2.57%) Office 365
4 9 (1.45%) GitHub
4 9 (1.45%) SaaS
5 7 (1.13%) Amazon S3
5 7 (1.13%) Cloud Computing
5 7 (1.13%) Google Cloud Platform
6 6 (0.96%) IaaS
6 6 (0.96%) PaaS
7 3 (0.48%) Amazon EC2
7 3 (0.48%) npm
7 3 (0.48%) Virtual Private Cloud
8 2 (0.32%) OpenShift
8 2 (0.32%) Serverless
8 2 (0.32%) Yammer
9 1 (0.16%) AWS CloudFormation
9 1 (0.16%) AWS Data Pipeline
9 1 (0.16%) AWS Lambda
9 1 (0.16%) Azure Active Directory
Communications & Networking
1 23 (3.70%) TCP/IP
2 17 (2.73%) Firewall
3 16 (2.57%) DNS
4 12 (1.93%) LAN
5 11 (1.77%) 3G
6 10 (1.61%) 4G
6 10 (1.61%) GSM
6 10 (1.61%) HTTP
6 10 (1.61%) SSL
6 10 (1.61%) WAN
7 9 (1.45%) LDAP
7 9 (1.45%) Network Security
7 9 (1.45%) OpenFlow
7 9 (1.45%) VPN
8 7 (1.13%) Kerberos
9 6 (0.96%) Internet
9 6 (0.96%) NAS
9 6 (0.96%) SAN
9 6 (0.96%) SSH
9 6 (0.96%) VLAN
Database & Business Intelligence
1 30 (4.82%) SQL Server
2 21 (3.38%) Big Data
3 18 (2.89%) Hadoop
4 15 (2.41%) GIS
4 15 (2.41%) MySQL
5 14 (2.25%) Oracle Database
6 11 (1.77%) Oracle Database 11g
6 11 (1.77%) Relational Database
7 10 (1.61%) Oracle Database 10g
8 9 (1.45%) MongoDB
8 9 (1.45%) NoSQL
8 9 (1.45%) SQL Server Integration Services
9 8 (1.29%) KDB
9 8 (1.29%) PostgreSQL
10 7 (1.13%) Blockchain
10 7 (1.13%) SQL Server Analysis Services
11 6 (0.96%) Base SAS
11 6 (0.96%) DB2
11 6 (0.96%) SQL Server 2012
11 6 (0.96%) SQL Server Reporting Services
Development Applications
1 32 (5.14%) Git (software)
2 25 (4.02%) JIRA
3 23 (3.70%) Subversion
4 19 (3.05%) Visual Studio
5 13 (2.09%) TeamCity
6 11 (1.77%) Jenkins
7 9 (1.45%) Selenium
8 8 (1.29%) NUnit
8 8 (1.29%) Team Foundation Server
9 7 (1.13%) ProC
10 6 (0.96%) Android Studio
10 6 (0.96%) Artifactory
10 6 (0.96%) Atlassian Bamboo
11 5 (0.80%) Oracle APEX
11 5 (0.80%) Vagrant
12 4 (0.64%) Cucumber
12 4 (0.64%) JMeter
13 3 (0.48%) LabVIEW
13 3 (0.48%) Maven
13 3 (0.48%) Xcode
General
1 129 (20.74%) Finance
2 89 (14.31%) Banking
3 40 (6.43%) Investment Banking
4 30 (4.82%) Front Office
5 21 (3.38%) Telecoms
6 18 (2.89%) Retail
7 16 (2.57%) Marketing
8 15 (2.41%) Electronics
9 14 (2.25%) Legal
10 9 (1.45%) Advertising
10 9 (1.45%) Games
11 8 (1.29%) Manufacturing
12 6 (0.96%) Back Office
12 6 (0.96%) Publishing
13 5 (0.80%) Retail Banking
14 4 (0.64%) Law
14 4 (0.64%) Local Government
14 4 (0.64%) Military
15 3 (0.48%) Aerospace
15 3 (0.48%) Automotive
Job Titles
1 198 (31.83%) Developer
2 65 (10.45%) Analyst
3 43 (6.91%) Senior Developer
4 38 (6.11%) Software Engineer
5 37 (5.95%) C++ Developer
6 36 (5.79%) Architect
7 30 (4.82%) Business Analyst
8 29 (4.66%) Java Developer
9 26 (4.18%) Project Manager
10 24 (3.86%) C Developer
11 23 (3.70%) Consultant
12 20 (3.22%) Embedded Engineer
12 20 (3.22%) Linux Engineer
13 19 (3.05%) Software Developer
14 17 (2.73%) Embedded Software Engineer
15 16 (2.57%) DevOps Engineer
15 16 (2.57%) Python Developer
16 15 (2.41%) Android Developer
16 15 (2.41%) SQL Developer
17 14 (2.25%) Oracle Developer
Libraries, Frameworks & Software Standards
1 43 (6.91%) .NET
2 34 (5.47%) HTML
2 34 (5.47%) Web Services
3 32 (5.14%) XML
4 25 (4.02%) Boost C++ Libraries
5 22 (3.54%) ASP.NET
5 22 (3.54%) FIX Protocol
5 22 (3.54%) RESTful
6 20 (3.22%) CSS
7 19 (3.05%) jQuery
8 18 (2.89%) JNI
9 17 (2.73%) ASP.NET MVC
10 14 (2.25%) HTML5
10 14 (2.25%) REST
11 13 (2.09%) Android SDK
12 12 (1.93%) WCF
13 11 (1.77%) JSON
13 11 (1.77%) OpenGL
13 11 (1.77%) SOAP
14 10 (1.61%) Middleware
Miscellaneous
1 63 (10.13%) Computer Science
2 59 (9.49%) Analytical Skills
3 47 (7.56%) Foreign Exchange (FX)
4 40 (6.43%) Greenfield Project
5 31 (4.98%) Mobile App
6 26 (4.18%) Fixed Income
7 25 (4.02%) Equities
8 20 (3.22%) Management Information System
9 16 (2.57%) Data Structures
9 16 (2.57%) User Experience
10 14 (2.25%) Derivative
11 13 (2.09%) Algorithms
12 12 (1.93%) Data Centre
13 11 (1.77%) Device Driver
13 11 (1.77%) Embedded Systems
13 11 (1.77%) Fintech
14 9 (1.45%) Virtual Team
15 7 (1.13%) Digital TV
15 7 (1.13%) STB
16 6 (0.96%) Reference Data
Operating Systems
1 169 (27.17%) Linux
2 87 (13.99%) Windows
3 52 (8.36%) Unix
4 46 (7.40%) Android
5 23 (3.70%) Apple iOS
6 18 (2.89%) CentOS
7 16 (2.57%) Windows Server
8 10 (1.61%) Embedded Linux
8 10 (1.61%) Red Hat Enterprise Linux
9 9 (1.45%) Windows 7
9 9 (1.45%) Windows Server 2008
10 8 (1.29%) Windows Server 2012
11 7 (1.13%) Windows 10
11 7 (1.13%) Windows Mobile
12 6 (0.96%) Mac OS X
13 5 (0.80%) Ubuntu
14 4 (0.64%) Nucleus RTOS
15 3 (0.48%) AIX
15 3 (0.48%) Scientific Linux
16 2 (0.32%) Oracle Linux
Processes & Methodologies
1 134 (21.54%) Agile Software Development
2 81 (13.02%) Software Engineering
3 66 (10.61%) SDLC
4 59 (9.49%) Multithreading
5 50 (8.04%) Stakeholder Management
6 46 (7.40%) Project Management
7 45 (7.23%) TDD
8 43 (6.91%) ITIL
9 41 (6.59%) Electronic Trading
9 41 (6.59%) Low Latency
10 40 (6.43%) Continuous Integration
10 40 (6.43%) DevOps
11 38 (6.11%) Scrum
12 35 (5.63%) Test Automation
13 32 (5.14%) Analytics
13 32 (5.14%) Migration
14 30 (4.82%) Data Modelling
15 28 (4.50%) Android Development
16 22 (3.54%) Change Management
16 22 (3.54%) MVC
Programming Languages
1 220 (35.37%) C++
2 165 (26.53%) Java
3 120 (19.29%) Python
4 115 (18.49%) SQL
5 71 (11.41%) C#
6 60 (9.65%) Perl
7 59 (9.49%) JavaScript
8 34 (5.47%) Bash Shell
9 27 (4.34%) Shell Script
10 25 (4.02%) Embedded C
11 23 (3.70%) PHP
12 22 (3.54%) PL/SQL
13 20 (3.22%) PowerShell
14 17 (2.73%) VB
15 15 (2.41%) Ruby
16 14 (2.25%) Go
16 14 (2.25%) R
16 14 (2.25%) T-SQL
17 11 (1.77%) VBA
18 10 (1.61%) Scala
Qualifications
1 91 (14.63%) Degree
2 85 (13.67%) Security Cleared
3 44 (7.07%) DV Cleared
4 35 (5.63%) SC Cleared
5 31 (4.98%) Computer Science Degree
6 10 (1.61%) CTC Cleared
6 10 (1.61%) Numerate Degree
7 7 (1.13%) ISEB
8 5 (0.80%) ISTQB
9 4 (0.64%) AWS Certification
9 4 (0.64%) Cisco Certification
9 4 (0.64%) PMP
10 3 (0.48%) CCNA
10 3 (0.48%) HND
10 3 (0.48%) ITIL Certification
10 3 (0.48%) Master's Degree
10 3 (0.48%) NCDA
10 3 (0.48%) PhD
10 3 (0.48%) SANS
11 2 (0.32%) NCIE
Quality Assurance & Compliance
1 26 (4.18%) QA
2 10 (1.61%) GDPR
2 10 (1.61%) MiFID
2 10 (1.61%) PMO
3 6 (0.96%) IFRS
3 6 (0.96%) IFRS 9
3 6 (0.96%) Solvency II
4 4 (0.64%) COBIT
4 4 (0.64%) Data Quality
5 3 (0.48%) BS7666
5 3 (0.48%) ISO/IEC 27001
5 3 (0.48%) SLA
6 2 (0.32%) GAAP
6 2 (0.32%) ISO 9001
6 2 (0.32%) MISRA
7 1 (0.16%) Def Stans
7 1 (0.16%) FINRA
7 1 (0.16%) IEC 62304
7 1 (0.16%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (0.16%) PSD2
System Software
1 32 (5.14%) VMware Infrastructure
2 24 (3.86%) Active Directory
3 17 (2.73%) Docker
4 14 (2.25%) KVM
5 10 (1.61%) VMware ESXi
6 8 (1.29%) NFS
7 7 (1.13%) Firmware
8 4 (0.64%) Hyper-V
8 4 (0.64%) Virtual Machines
8 4 (0.64%) XenApp
9 3 (0.48%) Apache Flume
9 3 (0.48%) iptables
10 2 (0.32%) QEMU
11 1 (0.16%) Apache ZooKeeper
11 1 (0.16%) BitLocker
11 1 (0.16%) Microsoft Virtual Server
11 1 (0.16%) Squid
11 1 (0.16%) Terminal Services
11 1 (0.16%) vSphere
11 1 (0.16%) XenDesktop
Systems Management
1 29 (4.66%) Puppet
2 26 (4.18%) Ansible
3 22 (3.54%) Opscode Chef
4 14 (2.25%) Kubernetes
5 10 (1.61%) Terraform
6 8 (1.29%) SCCM
7 7 (1.13%) Nagios
8 5 (0.80%) HP Quality Center
8 5 (0.80%) Thomson Reuters DACS
9 4 (0.64%) Mesos
9 4 (0.64%) yum
10 3 (0.48%) Cobbler
10 3 (0.48%) Systems Management Server (SMS)
11 2 (0.32%) Backup Exec
11 2 (0.32%) Kibana
11 2 (0.32%) logstash
11 2 (0.32%) vMotion
12 1 (0.16%) HAProxy
12 1 (0.16%) NetVault Backup
12 1 (0.16%) Symantec Enterprise Vault
Vendors
1 54 (8.68%) Microsoft
1 54 (8.68%) Oracle
2 34 (5.47%) VMware
3 20 (3.22%) ION Trading
4 19 (3.05%) Red Hat
5 14 (2.25%) SAP
6 10 (1.61%) Google
7 9 (1.45%) Splunk
7 9 (1.45%) Xamarin
8 8 (1.29%) HP
8 8 (1.29%) IBM
8 8 (1.29%) Solace
8 8 (1.29%) Sybase
9 7 (1.13%) Bloomberg
9 7 (1.13%) Cisco
9 7 (1.13%) Citrix
9 7 (1.13%) Reuters
10 6 (0.96%) Calypso
10 6 (0.96%) Fujitsu
10 6 (0.96%) ServiceNow