Period
to 18 June 2018

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 6 months to 18 June 2018 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
Central London > City of London
6 months to
18 Jun 2018
Same period 2017 Same period 2016
Rank 189 166 165
Rank change year-on-year -23 -1 +3
Contract jobs citing C 64 72 63
As % of all contract IT jobs advertised in the City of London 0.93% 1.16% 0.96%
As % of the Programming Languages category 1.77% 2.32% 2.02%
Number of daily rates quoted 50 53 48
City of London median daily rate £500 £525 £444
Median daily rate % change year-on-year -4.76% +18.31% -1.39%
10th Percentile £412 £368 £306
90th Percentile £615 £648 £663
Central London median daily rate £525 £525 £425
% change year-on-year - +23.53% -5.56%
Number of hourly rates quoted 1 0 2
City of London median hourly rate £18.70 - £26.00
Central London median hourly rate £18.70 - £26.00

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 the City of London with a requirement for coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3,624 3,104 3,117
As % of all contract IT jobs advertised in the City of London 52.60% 49.98% 47.55%
Number of daily rates quoted 3,047 2,516 2,621
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £363 £329 £313
90th Percentile £694 £663 £650
Central London median daily rate £525 £500 £463
% change year-on-year +5.00% +8.11% +2.78%
Number of hourly rates quoted 21 7 12
City of London median hourly rate £21.50 £28.35 £26.00
Median hourly rate % change year-on-year -24.15% +9.02% +0.78%
10th Percentile £12.75 £16.65 £18.50
90th Percentile £48.25 £39.70 £60.00
Central London median hourly rate £21.50 £28.35 £26.00
% change year-on-year -24.15% +9.02% +7.30%

C
Job Vacancy Trend in the City of London

Job postings citing C as a percentage of all IT jobs advertised in the City of London.

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 6 months to 18 June 2018.

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 18 June 2018, 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 City of London region with a requirement for C.

1 28 (43.75%) Finance
2 24 (37.50%) Banking
3 21 (32.81%) Agile Software Development
4 18 (28.13%) Java
4 18 (28.13%) SQL
5 16 (25.00%) C#
5 16 (25.00%) Analytics
6 15 (23.44%) Python
7 13 (20.31%) Windows
8 12 (18.75%) Data Analytics
8 12 (18.75%) Windows Server
9 11 (17.19%) ITIL
9 11 (17.19%) C++
9 11 (17.19%) .NET
9 11 (17.19%) VMware
9 11 (17.19%) VMware Infrastructure
10 10 (15.63%) Windows Server 2008
10 10 (15.63%) Stakeholder Management
10 10 (15.63%) Linux
11 9 (14.06%) EMC
11 9 (14.06%) McAfee
11 9 (14.06%) Waterfall
11 9 (14.06%) Ruby
12 8 (12.50%) SAN
12 8 (12.50%) Microsoft
13 7 (10.94%) Active Directory
13 7 (10.94%) Microsoft Certification
13 7 (10.94%) MCSE
13 7 (10.94%) JavaScript
13 7 (10.94%) Hitachi

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 (6.25%) CMS
2 3 (4.69%) Apache
3 2 (3.13%) Apache Spark
3 2 (3.13%) Elasticsearch
3 2 (3.13%) SharePoint
4 1 (1.56%) Adobe Experience Manager
4 1 (1.56%) EPiServer
4 1 (1.56%) Exchange Server 2010
4 1 (1.56%) IIS
4 1 (1.56%) MS Exchange
4 1 (1.56%) Sitecore CMS
4 1 (1.56%) Skype for Business
4 1 (1.56%) ThingWorx
4 1 (1.56%) Tomcat
4 1 (1.56%) WebSphere
4 1 (1.56%) WebSphere Application Server
Applications
1 5 (7.81%) Microsoft Excel
2 2 (3.13%) Microsoft Office
3 1 (1.56%) Microsoft PowerPoint
3 1 (1.56%) MS Visio
Business Applications
1 1 (1.56%) Dynamics CRM
1 1 (1.56%) Eloqua
1 1 (1.56%) Oracle Cash Management
1 1 (1.56%) Temenos T24
Cloud Services
1 6 (9.38%) Microsoft Azure
2 5 (7.81%) Amazon AWS
3 1 (1.56%) AWS Lambda
3 1 (1.56%) Google Cloud Platform
3 1 (1.56%) IaaS
3 1 (1.56%) Mimecast
3 1 (1.56%) Office 365
3 1 (1.56%) SaaS
3 1 (1.56%) Serverless
Communications & Networking
1 8 (12.50%) SAN
2 6 (9.38%) DNS
3 5 (7.81%) DHCP
4 3 (4.69%) AMQP
4 3 (4.69%) Firewall
5 2 (3.13%) Kerberos
6 1 (1.56%) BIG-IP
6 1 (1.56%) HTTP
6 1 (1.56%) Internet
6 1 (1.56%) Intranet
6 1 (1.56%) iSCSI
6 1 (1.56%) Modbus
6 1 (1.56%) MQTT
6 1 (1.56%) Multicast
6 1 (1.56%) Skype
6 1 (1.56%) SSL
6 1 (1.56%) TCP/IP
6 1 (1.56%) VSAN
6 1 (1.56%) Wireless
Database & Business Intelligence
1 7 (10.94%) Big Data
2 5 (7.81%) Relational Database
3 4 (6.25%) PostgreSQL
3 4 (6.25%) SQL Server
4 3 (4.69%) NoSQL
5 2 (3.13%) Blockchain
5 2 (3.13%) Hadoop
5 2 (3.13%) KDB
5 2 (3.13%) Kdb+
5 2 (3.13%) MongoDB
6 1 (1.56%) Data Lake
6 1 (1.56%) Data Warehouse
6 1 (1.56%) HBase
6 1 (1.56%) Mahout
6 1 (1.56%) MariaDB
6 1 (1.56%) MySQL
6 1 (1.56%) Power BI
6 1 (1.56%) Spotfire
6 1 (1.56%) SQL Server Integration Services
6 1 (1.56%) SQL Server Reporting Services
Development Applications
1 4 (6.25%) RStudio
2 3 (4.69%) Selenium
3 2 (3.13%) Git (software)
4 1 (1.56%) JConsole
4 1 (1.56%) JProfiler
4 1 (1.56%) Maven
4 1 (1.56%) NUnit
4 1 (1.56%) Subversion
4 1 (1.56%) TeamCity
4 1 (1.56%) VisualVM
General
1 28 (43.75%) Finance
2 24 (37.50%) Banking
3 5 (7.81%) Front Office
4 4 (6.25%) Legal
4 4 (6.25%) Marketing
5 2 (3.13%) International Banking
5 2 (3.13%) Investment Banking
5 2 (3.13%) Retail
6 1 (1.56%) Financial Institution
6 1 (1.56%) Law
6 1 (1.56%) Telecoms
Job Titles
1 14 (21.88%) Developer
2 7 (10.94%) Analyst
3 5 (7.81%) C Developer
3 5 (7.81%) C# Developer
3 5 (7.81%) Java Developer
4 4 (6.25%) Architect
4 4 (6.25%) Data Modeller
4 4 (6.25%) Project Manager
4 4 (6.25%) Quantitative Developer
4 4 (6.25%) Technical Leader
5 3 (4.69%) Active Directory Specialist
5 3 (4.69%) Compliance Analyst
5 3 (4.69%) Consultant
5 3 (4.69%) Full Stack Developer
5 3 (4.69%) Infrastructure Engineer
5 3 (4.69%) SC Cleared Software Engineer
5 3 (4.69%) Security Analyst
5 3 (4.69%) Senior Infrastructure Engineer
5 3 (4.69%) Senior Software Engineer
5 3 (4.69%) Software Engineer
Libraries, Frameworks & Software Standards
1 11 (17.19%) .NET
2 4 (6.25%) HTML
2 4 (6.25%) JSON
2 4 (6.25%) WPF
2 4 (6.25%) XML
3 3 (4.69%) AngularJS
3 3 (4.69%) RabbitMQ
4 2 (3.13%) ASP.NET Web API
4 2 (3.13%) GraphQL
4 2 (3.13%) React
4 2 (3.13%) REST
4 2 (3.13%) Ruby on Rails
5 1 (1.56%) Angular 2
5 1 (1.56%) ASP.NET MVC 5
5 1 (1.56%) Embperl
5 1 (1.56%) FastCGI
5 1 (1.56%) FIX Protocol
5 1 (1.56%) Kafka
5 1 (1.56%) Node.js
5 1 (1.56%) Smart Contracts
Miscellaneous
1 6 (9.38%) Analytical Skills
1 6 (9.38%) Computer Science
2 5 (7.81%) Greenfield Project
3 3 (4.69%) Foreign Exchange (FX)
3 3 (4.69%) SWIFT
4 2 (3.13%) Data Structures
4 2 (3.13%) Equities
4 2 (3.13%) Swaptions
4 2 (3.13%) User Experience
4 2 (3.13%) Virtual Team
5 1 (1.56%) Algorithms
5 1 (1.56%) Blackberry
5 1 (1.56%) Cloud Native
5 1 (1.56%) EMC VNX
5 1 (1.56%) Fintech
5 1 (1.56%) Internet of Things
5 1 (1.56%) Linux Command Line
5 1 (1.56%) Management Information System
5 1 (1.56%) Replication
5 1 (1.56%) VxBlock/Vblock
Operating Systems
1 13 (20.31%) Windows
2 12 (18.75%) Windows Server
3 10 (15.63%) Linux
3 10 (15.63%) Windows Server 2008
4 5 (7.81%) Windows Server 2012
5 3 (4.69%) Unix
6 1 (1.56%) Red Hat Enterprise Linux
6 1 (1.56%) Solaris
6 1 (1.56%) SUSE
6 1 (1.56%) SUSE Linux Enterprise Server
6 1 (1.56%) Windows 7
6 1 (1.56%) Windows XP
Processes & Methodologies
1 21 (32.81%) Agile Software Development
2 16 (25.00%) Analytics
3 12 (18.75%) Data Analytics
4 11 (17.19%) ITIL
5 10 (15.63%) Stakeholder Management
6 9 (14.06%) Waterfall
7 6 (9.38%) Coaching
7 6 (9.38%) Microservices
7 6 (9.38%) Problem-Solving
7 6 (9.38%) Scrum
7 6 (9.38%) User Acceptance Testing
8 5 (7.81%) Data Modelling
8 5 (7.81%) Information Security
8 5 (7.81%) Performance Monitoring
9 4 (6.25%) Content Management
9 4 (6.25%) Cybersecurity
9 4 (6.25%) Data Management
9 4 (6.25%) DevOps
9 4 (6.25%) SDLC
9 4 (6.25%) Test Automation
Programming Languages
1 18 (28.13%) Java
1 18 (28.13%) SQL
2 16 (25.00%) C#
3 15 (23.44%) Python
4 11 (17.19%) C++
5 9 (14.06%) Ruby
6 7 (10.94%) JavaScript
7 6 (9.38%) PowerShell
7 6 (9.38%) R
8 5 (7.81%) VBA
9 2 (3.13%) MATLAB
9 2 (3.13%) Perl
9 2 (3.13%) VBScript
10 1 (1.56%) Java 8
10 1 (1.56%) PHP
10 1 (1.56%) Scala
10 1 (1.56%) Shell Script
10 1 (1.56%) T-SQL
10 1 (1.56%) VB
10 1 (1.56%) VB.NET
Qualifications
1 7 (10.94%) MCSE
1 7 (10.94%) Microsoft Certification
2 6 (9.38%) Degree
3 4 (6.25%) SC Cleared
3 4 (6.25%) Security Cleared
4 3 (4.69%) (ISC)2 CCSP
4 3 (4.69%) CISA
4 3 (4.69%) Cisco Certification
4 3 (4.69%) CISSP
4 3 (4.69%) CompTIA Security+
5 2 (3.13%) ITIL Certification
5 2 (3.13%) PMI Certification
5 2 (3.13%) PMP
6 1 (1.56%) CCSP
6 1 (1.56%) PhD
6 1 (1.56%) SAFe Agilist
Quality Assurance & Compliance
1 4 (6.25%) QA
2 3 (4.69%) MiFID
2 3 (4.69%) SEPA
2 3 (4.69%) TARGET2
3 2 (3.13%) PSD2
4 1 (1.56%) Data Quality
4 1 (1.56%) GDPR
4 1 (1.56%) ISO/IEC 27001
System Software
1 11 (17.19%) VMware Infrastructure
2 7 (10.94%) Active Directory
3 5 (7.81%) VMware ESXi
4 3 (4.69%) Docker
5 1 (1.56%) Hyper-V
5 1 (1.56%) NFS
5 1 (1.56%) Virtual Machines
5 1 (1.56%) VMware NSX
5 1 (1.56%) vSphere
Systems Management
1 4 (6.25%) McAfee ePO
2 3 (4.69%) Tivoli
3 2 (3.13%) DatAdvantage
3 2 (3.13%) vCenter Server
4 1 (1.56%) Ansible
4 1 (1.56%) CFEngine
4 1 (1.56%) Failover Clustering
4 1 (1.56%) Grafana
4 1 (1.56%) Microsoft Clustering
4 1 (1.56%) Microsoft Data Protection Manager
4 1 (1.56%) Opscode Chef
4 1 (1.56%) Perfmon
4 1 (1.56%) Puppet
4 1 (1.56%) rkt
4 1 (1.56%) SCCM
4 1 (1.56%) SCOrch
4 1 (1.56%) Single Sign-On
4 1 (1.56%) Tivoli Monitoring
4 1 (1.56%) vRealize
4 1 (1.56%) vRealize Orchestrator
Vendors
1 11 (17.19%) VMware
2 9 (14.06%) EMC
2 9 (14.06%) McAfee
3 8 (12.50%) Microsoft
4 7 (10.94%) Hitachi
5 6 (9.38%) Oracle
6 4 (6.25%) Bloomberg
6 4 (6.25%) Calypso
6 4 (6.25%) Reuters
6 4 (6.25%) Splunk
7 3 (4.69%) Ivanti
8 2 (3.13%) 3PAR
8 2 (3.13%) Cisco
8 2 (3.13%) Google
8 2 (3.13%) HP
8 2 (3.13%) NetApp
8 2 (3.13%) Telerik
8 2 (3.13%) Varonis
9 1 (1.56%) IBM
9 1 (1.56%) Salesforce Marketing Cloud