Period
to 26 June 2019

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 26 June 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
England > London
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 244 207 161
Rank change year-on-year -37 -46 +12
Contract jobs citing C 442 601 671
As % of all contract IT jobs advertised in London 1.10% 1.33% 1.67%
As % of the Programming Languages category 2.30% 2.73% 3.56%
Number of daily rates quoted 300 415 432
London median daily rate £525 £550 £500
Median daily rate % change year-on-year -4.55% +10.00% +11.11%
10th Percentile £296 £363 £360
90th Percentile £750 £750 £663
England median daily rate £450 £475 £450
% change year-on-year -5.26% +5.56% +12.50%
Number of hourly rates quoted 7 31 19
London median hourly rate £50.00 £45.00 £45.00
Median hourly rate % change year-on-year +11.11% - +132.26%
10th Percentile £30.45 £20.25 £31.25
90th Percentile £54.25 £47.50 £51.50
England median hourly rate £45.00 £42.50 £42.50
% change year-on-year +5.88% - +6.92%

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 19,212 22,047 18,829
As % of all contract IT jobs advertised in London 47.62% 48.72% 46.90%
Number of daily rates quoted 14,502 16,797 13,959
London median daily rate £525 £505 £490
Median daily rate % change year-on-year +3.96% +3.06% +8.53%
10th Percentile £363 £360 £325
90th Percentile £688 £675 £650
England median daily rate £480 £475 £450
% change year-on-year +1.05% +5.56% +5.88%
Number of hourly rates quoted 122 199 148
London median hourly rate £36.67 £42.50 £40.13
Median hourly rate % change year-on-year -13.72% +5.91% +34.15%
10th Percentile £20.03 £18.20 £17.94
90th Percentile £60.47 £68.00 £54.38
England median hourly rate £43.00 £41.50 £41.50
% change year-on-year +3.61% - +7.79%

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 26 June 2019.

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 26 June 2019.

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 26 June 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
Central London -10 78 £528 +0.48% 21
West London +17 48 £500 -9.09% 22
South London -2 11 £500 -1.23% 4
East London -24 6 £471 -5.75% 9
C
England

For the 6 months to 26 June 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 London region with a requirement for C.

1 133 (30.09%) C++
2 124 (28.05%) Java
3 106 (23.98%) Python
4 95 (21.49%) Finance
5 87 (19.68%) Agile Software Development
6 79 (17.87%) Linux
6 79 (17.87%) SQL
7 55 (12.44%) Microsoft
8 48 (10.86%) Software Engineering
9 47 (10.63%) Machine Learning
10 44 (9.95%) Problem-Solving
11 43 (9.73%) Microsoft Azure
12 42 (9.50%) Project Management
12 42 (9.50%) Windows
13 41 (9.28%) Banking
13 41 (9.28%) Amazon AWS
13 41 (9.28%) DevOps
14 40 (9.05%) Degree
14 40 (9.05%) JavaScript
15 36 (8.14%) R
16 34 (7.69%) Analytics
17 32 (7.24%) Microservices
17 32 (7.24%) Unix
17 32 (7.24%) Stakeholder Management
17 32 (7.24%) Data Science
18 31 (7.01%) C#
18 31 (7.01%) Google Cloud Platform
19 30 (6.79%) Analytical Skills
19 30 (6.79%) Jenkins
19 30 (6.79%) Active Directory

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 28 (6.33%) SAS
2 18 (4.07%) Confluence
3 14 (3.17%) Apache Spark
4 8 (1.81%) Apache
4 8 (1.81%) SharePoint
4 8 (1.81%) Skype for Business
4 8 (1.81%) Tomcat
5 6 (1.36%) MS Exchange
6 5 (1.13%) JBoss
7 4 (0.90%) WebSphere
8 3 (0.68%) WebLogic
9 2 (0.45%) Cloud Foundry
9 2 (0.45%) Exchange Server 2010
9 2 (0.45%) OpenStack
9 2 (0.45%) WordPress
10 1 (0.23%) Apache Pig
10 1 (0.23%) Elasticsearch
10 1 (0.23%) Exchange Server 2013
10 1 (0.23%) Hyperledger
10 1 (0.23%) Mendix
Applications
1 22 (4.98%) Microsoft Excel
2 12 (2.71%) Microsoft Office
3 8 (1.81%) Microsoft PowerPoint
4 4 (0.90%) Microsoft Project
4 4 (0.90%) MS Visio
5 1 (0.23%) SPSS
Business Applications
1 7 (1.58%) ION MarketView
2 3 (0.68%) Dynamics NAV
2 3 (0.68%) Payment Gateway
3 2 (0.45%) Sage 200
3 2 (0.45%) SAP CRM
3 2 (0.45%) SAP S/4HANA
4 1 (0.23%) BusinessWorks
4 1 (0.23%) Oracle EBS
4 1 (0.23%) Oracle Financials
4 1 (0.23%) Oracle Procure-to-Pay
4 1 (0.23%) Remedy ITSM
4 1 (0.23%) SAP Hybris
4 1 (0.23%) SAP LE
4 1 (0.23%) SAP MM
4 1 (0.23%) SAP WM
Cloud Services
1 43 (9.73%) Microsoft Azure
2 41 (9.28%) Amazon AWS
3 31 (7.01%) Google Cloud Platform
4 17 (3.85%) Office 365
5 15 (3.39%) Serverless
6 13 (2.94%) GitHub
7 10 (2.26%) SaaS
8 9 (2.04%) PaaS
9 8 (1.81%) Cloud Computing
10 7 (1.58%) IaaS
11 6 (1.36%) Azure Active Directory
11 6 (1.36%) Power Platform
12 5 (1.13%) Adobe Analytics
12 5 (1.13%) OneDrive
13 3 (0.68%) Azure Stack
13 3 (0.68%) G Suite
13 3 (0.68%) Slack
13 3 (0.68%) Veeva
14 2 (0.45%) npm
14 2 (0.45%) Salesforce Sales Cloud
Communications & Networking
1 24 (5.43%) TCP/IP
2 18 (4.07%) Firewall
3 16 (3.62%) DNS
4 13 (2.94%) Internet
5 11 (2.49%) LAN
5 11 (2.49%) VPN
6 10 (2.26%) Skype
6 10 (2.26%) WAN
7 9 (2.04%) HTTP
8 7 (1.58%) SMTP
9 6 (1.36%) MPLS
9 6 (1.36%) SAN
10 5 (1.13%) BGP
10 5 (1.13%) iSCSI
10 5 (1.13%) OpenLDAP
10 5 (1.13%) SSH
11 4 (0.90%) DHCP
11 4 (0.90%) OSPF
11 4 (0.90%) SSL
11 4 (0.90%) Wi-Fi
Database & Business Intelligence
1 22 (4.98%) Big Data
2 20 (4.52%) BigQuery
2 20 (4.52%) MySQL
3 18 (4.07%) MongoDB
4 17 (3.85%) PostgreSQL
5 16 (3.62%) Hadoop
6 15 (3.39%) Apache Cassandra
7 14 (3.17%) NoSQL
8 13 (2.94%) Apache Hive
9 12 (2.71%) Sqoop
10 11 (2.49%) SQL Server
11 8 (1.81%) Adabas
11 8 (1.81%) Relational Database
12 7 (1.58%) Data Warehouse
13 6 (1.36%) Power BI
13 6 (1.36%) SAP HANA
14 5 (1.13%) Redis
15 4 (0.90%) Azure SQL Database
15 4 (0.90%) Crystal Reports
15 4 (0.90%) QlikView
Development Applications
1 30 (6.79%) Jenkins
2 28 (6.33%) Git (software)
3 23 (5.20%) JIRA
4 7 (1.58%) Oracle Forms
4 7 (1.58%) ProC
5 5 (1.13%) Maven
6 4 (0.90%) Xcode
7 3 (0.68%) Android Studio
7 3 (0.68%) Artifactory
7 3 (0.68%) Bitbucket
7 3 (0.68%) HP UFT
7 3 (0.68%) SilkTest
8 2 (0.45%) CircleCI
8 2 (0.45%) Cucumber
8 2 (0.45%) ERwin
8 2 (0.45%) GCC
8 2 (0.45%) GDB
8 2 (0.45%) Hudson
8 2 (0.45%) SonarQube
8 2 (0.45%) webpack
General
1 95 (21.49%) Finance
2 41 (9.28%) Banking
3 18 (4.07%) Marketing
4 12 (2.71%) Games
5 9 (2.04%) Manufacturing
6 8 (1.81%) Electronics
6 8 (1.81%) Pharmaceutical
6 8 (1.81%) Retail
6 8 (1.81%) Telecoms
7 6 (1.36%) Automotive
7 6 (1.36%) Investment Banking
8 5 (1.13%) Advertising
8 5 (1.13%) Billing
8 5 (1.13%) Front Office
9 4 (0.90%) Law
10 3 (0.68%) Corporate Banking
11 2 (0.45%) Financial Institution
11 2 (0.45%) Legal
11 2 (0.45%) Retail Banking
11 2 (0.45%) Spanish Language
Job Titles
1 97 (21.95%) Developer
2 49 (11.09%) Architect
3 38 (8.60%) Analyst
4 29 (6.56%) Consultant
4 29 (6.56%) Project Manager
5 21 (4.75%) Solutions Architect
6 19 (4.30%) Data Scientist
6 19 (4.30%) Software Engineer
7 16 (3.62%) Business Analyst
8 15 (3.39%) C++ Developer
8 15 (3.39%) Java Developer
8 15 (3.39%) Senior Developer
9 14 (3.17%) C Developer
10 12 (2.71%) DevOps Engineer
10 12 (2.71%) Embedded Engineer
11 11 (2.49%) C# Developer
12 10 (2.26%) Embedded Software Engineer
13 9 (2.04%) Administrator
13 9 (2.04%) Programme Manager
13 9 (2.04%) Programmer
Libraries, Frameworks & Software Standards
1 28 (6.33%) Web Services
2 18 (4.07%) HTML
3 17 (3.85%) .NET
3 17 (3.85%) REST
4 16 (3.62%) Kafka
5 15 (3.39%) Natural Language Processing
6 12 (2.71%) TensorFlow
7 11 (2.49%) Caffe
7 11 (2.49%) CSS
8 10 (2.26%) Node.js
9 9 (2.04%) Keras
9 9 (2.04%) Middleware
9 9 (2.04%) React
9 9 (2.04%) Unreal Engine
10 8 (1.81%) JSON
10 8 (1.81%) Spring
10 8 (1.81%) Torch
10 8 (1.81%) Unity (Game Engine)
10 8 (1.81%) XML
11 7 (1.58%) HTML5
Miscellaneous
1 30 (6.79%) Analytical Skills
2 22 (4.98%) Algorithms
3 16 (3.62%) Video\Live Streaming
4 13 (2.94%) Greenfield Project
4 13 (2.94%) Linux Command Line
5 12 (2.71%) Mobile App
6 11 (2.49%) Management Information System
7 10 (2.26%) Data Centre
7 10 (2.26%) Equities
7 10 (2.26%) User Experience
8 9 (2.04%) Data Structures
8 9 (2.04%) Replication
8 9 (2.04%) Video on Demand
9 8 (1.81%) Mainframe
9 8 (1.81%) PKI
10 6 (1.36%) Device Driver
10 6 (1.36%) Embedded Systems
10 6 (1.36%) FMCG
10 6 (1.36%) Foreign Exchange (FX)
11 5 (1.13%) Clustering
Operating Systems
1 79 (17.87%) Linux
2 42 (9.50%) Windows
3 32 (7.24%) Unix
4 25 (5.66%) Android
5 12 (2.71%) Windows Server
6 10 (2.26%) Apple iOS
6 10 (2.26%) Windows 7
7 8 (1.81%) Solaris
8 7 (1.58%) Embedded Linux
8 7 (1.58%) Windows 10
8 7 (1.58%) Windows Server 2008
8 7 (1.58%) Windows Server 2012
9 6 (1.36%) Red Hat Enterprise Linux
10 5 (1.13%) Mac OS
11 3 (0.68%) CentOS
11 3 (0.68%) Windows 8
12 2 (0.45%) Mac OS X
12 2 (0.45%) Ubuntu
13 1 (0.23%) VxWorks
13 1 (0.23%) Windows Server 2003
Processes & Methodologies
1 87 (19.68%) Agile Software Development
2 48 (10.86%) Software Engineering
3 47 (10.63%) Machine Learning
4 44 (9.95%) Problem-Solving
5 42 (9.50%) Project Management
6 41 (9.28%) DevOps
7 34 (7.69%) Analytics
8 32 (7.24%) Data Science
8 32 (7.24%) Microservices
8 32 (7.24%) Stakeholder Management
9 29 (6.56%) Artificial Intelligence
10 28 (6.33%) Migration
10 28 (6.33%) Scrum
11 25 (5.66%) Data Modelling
12 24 (5.43%) Change Management
13 23 (5.20%) Continuous Integration
14 20 (4.52%) ITIL
14 20 (4.52%) TDD
15 18 (4.07%) Computer Science
15 18 (4.07%) Mathematics
Programming Languages
1 133 (30.09%) C++
2 124 (28.05%) Java
3 106 (23.98%) Python
4 79 (17.87%) SQL
5 40 (9.05%) JavaScript
6 36 (8.14%) R
7 31 (7.01%) C#
8 23 (5.20%) MATLAB
8 23 (5.20%) Perl
9 21 (4.75%) Shell Script
10 20 (4.52%) Go
11 18 (4.07%) PHP
12 17 (3.85%) Bash Shell
13 12 (2.71%) Ruby
14 10 (2.26%) PowerShell
15 9 (2.04%) VB
16 8 (1.81%) Assembly Language
16 8 (1.81%) COBOL
16 8 (1.81%) Korn
16 8 (1.81%) Natural
Qualifications
1 40 (9.05%) Degree
2 27 (6.11%) Security Cleared
3 16 (3.62%) SC Cleared
4 9 (2.04%) CISSP
4 9 (2.04%) DV Cleared
5 7 (1.58%) Computer Science Degree
5 7 (1.58%) Microsoft Certification
5 7 (1.58%) PhD
6 6 (1.36%) CISM
7 5 (1.13%) BPSS Clearance
7 5 (1.13%) CTC Cleared
8 4 (0.90%) CISA
8 4 (0.90%) ITIL Certification
8 4 (0.90%) Numerate Degree
9 3 (0.68%) ACCA
9 3 (0.68%) CSSLP
9 3 (0.68%) Master's Degree
9 3 (0.68%) MCSE
9 3 (0.68%) PMI Certification
10 2 (0.45%) RIBA
Quality Assurance & Compliance
1 13 (2.94%) QA
2 8 (1.81%) GDPR
2 8 (1.81%) PMO
3 4 (0.90%) GMP
3 4 (0.90%) ISO/IEC 27001
3 4 (0.90%) Sarbanes-Oxley
4 3 (0.68%) Data Quality
4 3 (0.68%) GAAP
4 3 (0.68%) Solvency II
5 2 (0.45%) ISO 8583
5 2 (0.45%) PCI DSS
5 2 (0.45%) PSD2
5 2 (0.45%) SEPA
6 1 (0.23%) COBIT
6 1 (0.23%) COSO
6 1 (0.23%) CRD IV
6 1 (0.23%) ISO/IEC 20000
6 1 (0.23%) ISO/IEC 27005
System Software
1 30 (6.79%) Active Directory
2 25 (5.66%) Docker
3 13 (2.94%) Apache Flume
4 9 (2.04%) VMware Infrastructure
5 5 (1.13%) Hyper-V
5 5 (1.13%) NFS
5 5 (1.13%) Shibboleth
5 5 (1.13%) VMware ESXi
6 4 (0.90%) HDFS
7 2 (0.45%) Firmware
7 2 (0.45%) Samba
7 2 (0.45%) vSphere
7 2 (0.45%) XenApp
8 1 (0.23%) Citrix Hypervisor
8 1 (0.23%) Forefront TMG
8 1 (0.23%) KVM
8 1 (0.23%) OpenIDM
8 1 (0.23%) Oracle RAC
8 1 (0.23%) VMware Workstation
8 1 (0.23%) Xen
Systems Management
1 28 (6.33%) Kubernetes
2 14 (3.17%) Ansible
2 14 (3.17%) Terraform
3 13 (2.94%) Puppet
4 5 (1.13%) SCCM
5 4 (0.90%) Backup Exec
5 4 (0.90%) Microsoft Clustering
5 4 (0.90%) Systems Management Server (SMS)
5 4 (0.90%) vMotion
6 3 (0.68%) Cisco CUCM
6 3 (0.68%) Prometheus
6 3 (0.68%) Single Sign-On
6 3 (0.68%) Tivoli
7 2 (0.45%) AirWatch
7 2 (0.45%) FortiGate
7 2 (0.45%) Tivoli Identity Manager
7 2 (0.45%) vRealize
8 1 (0.23%) QRadar
8 1 (0.23%) Rundeck
8 1 (0.23%) Sysdig
Vendors
1 55 (12.44%) Microsoft
2 24 (5.43%) Oracle
3 20 (4.52%) Google
4 13 (2.94%) VMware
5 12 (2.71%) SAP
6 8 (1.81%) Fujitsu
6 8 (1.81%) HP
6 8 (1.81%) NetApp
6 8 (1.81%) ServiceNow
6 8 (1.81%) Software AG
7 7 (1.58%) Adobe
7 7 (1.58%) ION Trading
7 7 (1.58%) Salesforce.com
8 6 (1.36%) Cisco
8 6 (1.36%) F5
8 6 (1.36%) IBM
8 6 (1.36%) Teradata
9 4 (0.90%) Hortonworks
9 4 (0.90%) Red Hat
9 4 (0.90%) Splunk