Period
to 19 August 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 19 August 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
19 Aug 2018
Same period 2017 Same period 2016
Rank 148 156 175
Rank change year-on-year +8 +19 +3
Contract jobs citing C 103 84 72
As % of all contract IT jobs advertised in the City of London 1.47% 1.26% 1.07%
As % of the Programming Languages category 2.76% 2.46% 2.20%
Number of daily rates quoted 86 62 51
City of London median daily rate £500 £525 £450
Median daily rate % change year-on-year -4.76% +16.67% -
10th Percentile £416 £359 £381
90th Percentile £775 £675 £650
Central London median daily rate £500 £525 £425
% change year-on-year -4.76% +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 £42.50 £26.00
% change year-on-year -56.00% +63.46% +71.33%

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 3,732 3,420 3,266
As % of all contract IT jobs advertised in the City of London 53.38% 51.37% 48.31%
Number of daily rates quoted 3,103 2,735 2,751
City of London median daily rate £525 £513 £475
Median daily rate % change year-on-year +2.44% +7.89% +2.70%
10th Percentile £368 £358 £313
90th Percentile £700 £675 £638
Central London median daily rate £525 £500 £455
% change year-on-year +5.00% +9.89% +1.11%
Number of hourly rates quoted 16 12 11
City of London median hourly rate £21.50 £22.99 £19.00
Median hourly rate % change year-on-year -6.49% +21.01% -22.81%
10th Percentile £12.50 £13.31 £15.16
90th Percentile £50.48 £36.73 £55.00
Central London median hourly rate £21.50 £28.35 £19.00
% change year-on-year -24.15% +49.18% -24.00%

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 19 August 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 19 August 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 41 (39.81%) Finance
2 39 (37.86%) C#
3 37 (35.92%) SQL
4 30 (29.13%) C++
5 29 (28.16%) Java
5 29 (28.16%) Python
6 28 (27.18%) Agile Software Development
7 22 (21.36%) Banking
7 22 (21.36%) .NET
8 19 (18.45%) Microsoft Azure
9 18 (17.48%) Greenfield Project
9 18 (17.48%) JavaScript
10 17 (16.50%) AngularJS
11 16 (15.53%) Analytics
11 16 (15.53%) Microservices
11 16 (15.53%) Windows
11 16 (15.53%) TDD
12 15 (14.56%) Linux
12 15 (14.56%) React
13 13 (12.62%) ITIL
13 13 (12.62%) VMware
13 13 (12.62%) User Acceptance Testing
14 12 (11.65%) SQL Server
14 12 (11.65%) Fintech
14 12 (11.65%) Windows Server
14 12 (11.65%) VMware Infrastructure
15 11 (10.68%) Windows Server 2008
15 11 (10.68%) Data Analytics
15 11 (10.68%) .NET Core
15 11 (10.68%) Blockchain

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 (3.88%) Elasticsearch
2 3 (2.91%) Apache Spark
2 3 (2.91%) CMS
3 2 (1.94%) Apache
3 2 (1.94%) Apache Solr
3 2 (1.94%) Cloud Foundry
3 2 (1.94%) SharePoint
4 1 (0.97%) Adobe Experience Manager
4 1 (0.97%) EPiServer
4 1 (0.97%) Ethereum
4 1 (0.97%) Exchange Server 2010
4 1 (0.97%) IIS
4 1 (0.97%) MS Exchange
4 1 (0.97%) Sitecore CMS
4 1 (0.97%) Skype for Business
4 1 (0.97%) WebSphere
Applications
1 4 (3.88%) Microsoft Excel
2 2 (1.94%) Microsoft Office
3 1 (0.97%) Microsoft Project
3 1 (0.97%) MS Visio
Business Applications
1 2 (1.94%) Distributed Ledger
2 1 (0.97%) Dynamics CRM
2 1 (0.97%) Eloqua
2 1 (0.97%) Oracle BPM
2 1 (0.97%) Summit
2 1 (0.97%) Temenos T24
Cloud Services
1 19 (18.45%) Microsoft Azure
2 7 (6.80%) Amazon AWS
3 4 (3.88%) Serverless
4 1 (0.97%) AWS Lambda
4 1 (0.97%) CloudFront
4 1 (0.97%) Fastly
4 1 (0.97%) Google Cloud Platform
4 1 (0.97%) Google Play
4 1 (0.97%) Mimecast
4 1 (0.97%) Office 365
Communications & Networking
1 9 (8.74%) SAN
2 7 (6.80%) DNS
3 6 (5.83%) DHCP
4 4 (3.88%) AMQP
5 3 (2.91%) Firewall
5 3 (2.91%) Internet
5 3 (2.91%) Kerberos
6 2 (1.94%) TCP/IP
7 1 (0.97%) BIG-IP
7 1 (0.97%) HTTP
7 1 (0.97%) Intranet
7 1 (0.97%) IPFS
7 1 (0.97%) iSCSI
7 1 (0.97%) Multicast
7 1 (0.97%) Network Security
7 1 (0.97%) Skype
7 1 (0.97%) SSL
7 1 (0.97%) VSAN
Database & Business Intelligence
1 12 (11.65%) SQL Server
2 11 (10.68%) Blockchain
3 8 (7.77%) Azure SQL Database
3 8 (7.77%) Cosmos DB
4 7 (6.80%) Relational Database
5 5 (4.85%) Big Data
5 5 (4.85%) PostgreSQL
6 4 (3.88%) MySQL
6 4 (3.88%) NoSQL
6 4 (3.88%) Redis
7 3 (2.91%) Data Lake
7 3 (2.91%) KDB
7 3 (2.91%) Kdb+
8 2 (1.94%) Apache Cassandra
8 2 (1.94%) HBase
8 2 (1.94%) MongoDB
8 2 (1.94%) Riak
8 2 (1.94%) SQL Server 2012
9 1 (0.97%) MariaDB
9 1 (0.97%) SQL Server 2016
Development Applications
1 8 (7.77%) Git (software)
2 6 (5.83%) Jenkins
3 5 (4.85%) Selenium
4 4 (3.88%) Maven
4 4 (3.88%) RStudio
5 2 (1.94%) Gradle
5 2 (1.94%) Jasmine
5 2 (1.94%) jMock
5 2 (1.94%) JUnit
5 2 (1.94%) Mockito
5 2 (1.94%) NUnit
5 2 (1.94%) Pivotal Tracker
5 2 (1.94%) Xcode
6 1 (0.97%) Ant
6 1 (0.97%) JIRA
6 1 (0.97%) Karma Test Runner
6 1 (0.97%) ReSharper
6 1 (0.97%) SpecFlow
6 1 (0.97%) Team Foundation Server
6 1 (0.97%) Toad
General
1 41 (39.81%) Finance
2 22 (21.36%) Banking
3 5 (4.85%) Front Office
4 4 (3.88%) Legal
4 4 (3.88%) Marketing
5 2 (1.94%) Automotive
5 2 (1.94%) Financial Institution
5 2 (1.94%) International Banking
5 2 (1.94%) Prime Brokerage
5 2 (1.94%) Retail
6 1 (0.97%) Investment Banking
6 1 (0.97%) Law
Job Titles
1 35 (33.98%) Developer
2 17 (16.50%) Analyst
3 13 (12.62%) C Developer
4 11 (10.68%) .NET Developer
4 11 (10.68%) Architect
5 8 (7.77%) Applications Support
5 8 (7.77%) Applications Support Analyst
5 8 (7.77%) C# Developer
5 8 (7.77%) Java Developer
6 7 (6.80%) Security Architect
6 7 (6.80%) Systems Support
6 7 (6.80%) Systems Support Analyst
7 6 (5.83%) Angular Developer
8 5 (4.85%) Azure Developer
8 5 (4.85%) Technical Leader
9 4 (3.88%) Full Stack Developer
9 4 (3.88%) Python Developer
9 4 (3.88%) SC Cleared Software Engineer
9 4 (3.88%) Senior Developer
9 4 (3.88%) Software Engineer
Libraries, Frameworks & Software Standards
1 22 (21.36%) .NET
2 17 (16.50%) AngularJS
3 15 (14.56%) React
4 11 (10.68%) .NET Core
4 11 (10.68%) Angular 2
5 8 (7.77%) XML
6 7 (6.80%) ASP.NET Web API
6 7 (6.80%) JSON
7 6 (5.83%) HTML
7 6 (5.83%) REST
7 6 (5.83%) Smart Contracts
8 4 (3.88%) .NET Framework
8 4 (3.88%) Entity Framework
8 4 (3.88%) RabbitMQ
8 4 (3.88%) WPF
9 3 (2.91%) CSS
9 3 (2.91%) Node.js
10 2 (1.94%) ASP.NET
10 2 (1.94%) Middleware
10 2 (1.94%) SOAP
Miscellaneous
1 18 (17.48%) Greenfield Project
2 12 (11.65%) Fintech
3 11 (10.68%) Computer Science
4 10 (9.71%) Analytical Skills
5 8 (7.77%) Algorithms
6 7 (6.80%) Digital Currency
6 7 (6.80%) Reinsurance
7 6 (5.83%) Derivative
8 4 (3.88%) Data Structures
8 4 (3.88%) Equities
8 4 (3.88%) Fixed Income
8 4 (3.88%) SWIFT
9 3 (2.91%) Foreign Exchange (FX)
9 3 (2.91%) User Experience
10 2 (1.94%) Bitcoin
10 2 (1.94%) CCTV
10 2 (1.94%) Enterprise Software
10 2 (1.94%) OTC Derivatives
10 2 (1.94%) Swaptions
11 1 (0.97%) Virtual Team
Operating Systems
1 16 (15.53%) Windows
2 15 (14.56%) Linux
3 12 (11.65%) Windows Server
4 11 (10.68%) Windows Server 2008
5 7 (6.80%) Unix
6 5 (4.85%) Windows Server 2012
7 4 (3.88%) Apple iOS
8 2 (1.94%) Android
9 1 (0.97%) AIX
9 1 (0.97%) Red Hat Enterprise Linux
9 1 (0.97%) Solaris
9 1 (0.97%) SUSE
9 1 (0.97%) SUSE Linux Enterprise Server
9 1 (0.97%) Windows 7
9 1 (0.97%) Windows XP
Processes & Methodologies
1 28 (27.18%) Agile Software Development
2 16 (15.53%) Analytics
2 16 (15.53%) Microservices
2 16 (15.53%) TDD
3 13 (12.62%) ITIL
3 13 (12.62%) User Acceptance Testing
4 11 (10.68%) Data Analytics
5 10 (9.71%) Cybersecurity
5 10 (9.71%) Problem-Solving
6 9 (8.74%) Artificial Intelligence
6 9 (8.74%) Cryptography
6 9 (8.74%) Stakeholder Management
7 8 (7.77%) Regression Testing
7 8 (7.77%) Test Automation
8 7 (6.80%) Coaching
8 7 (6.80%) SDLC
9 6 (5.83%) Information Security
9 6 (5.83%) Mentoring
9 6 (5.83%) Performance Monitoring
9 6 (5.83%) Waterfall
Programming Languages
1 39 (37.86%) C#
2 37 (35.92%) SQL
3 30 (29.13%) C++
4 29 (28.16%) Java
4 29 (28.16%) Python
5 18 (17.48%) JavaScript
6 9 (8.74%) Go
6 9 (8.74%) Ruby
7 6 (5.83%) R
8 5 (4.85%) Kotlin
8 5 (4.85%) PowerShell
8 5 (4.85%) VBA
9 4 (3.88%) Perl
10 3 (2.91%) Apple Swift
10 3 (2.91%) Objective-C
10 3 (2.91%) PHP
10 3 (2.91%) Scala
11 2 (1.94%) Groovy
11 2 (1.94%) Solidity
11 2 (1.94%) TypeScript
Qualifications
1 10 (9.71%) Degree
2 8 (7.77%) MCSE
2 8 (7.77%) Microsoft Certification
3 5 (4.85%) SC Cleared
3 5 (4.85%) Security Cleared
4 3 (2.91%) (ISC)2 CCSP
4 3 (2.91%) CISA
4 3 (2.91%) Cisco Certification
4 3 (2.91%) CISSP
4 3 (2.91%) CompTIA Security+
5 2 (1.94%) Computer Science Degree
5 2 (1.94%) ITIL Certification
5 2 (1.94%) PMI Certification
5 2 (1.94%) PMP
6 1 (0.97%) CREST Certified
6 1 (0.97%) ISTQB
6 1 (0.97%) MOS
6 1 (0.97%) OSCP
6 1 (0.97%) PhD
6 1 (0.97%) Sun Certification
Quality Assurance & Compliance
1 9 (8.74%) QA
2 4 (3.88%) MiFID
3 3 (2.91%) SEPA
4 2 (1.94%) PSD2
4 2 (1.94%) TARGET2
5 1 (0.97%) Data Quality
5 1 (0.97%) GDPR
5 1 (0.97%) ISO/IEC 27001
System Software
1 12 (11.65%) VMware Infrastructure
2 8 (7.77%) Active Directory
3 6 (5.83%) VMware ESXi
4 4 (3.88%) Docker
5 1 (0.97%) Hyper-V
5 1 (0.97%) Microsoft App-V
5 1 (0.97%) NFS
5 1 (0.97%) Virtual Machines
5 1 (0.97%) VMware NSX
5 1 (0.97%) vSphere
5 1 (0.97%) XenApp
5 1 (0.97%) XenDesktop
Systems Management
1 5 (4.85%) McAfee ePO
2 3 (2.91%) DatAdvantage
2 3 (2.91%) Tivoli
3 2 (1.94%) Kubernetes
3 2 (1.94%) vCenter Server
4 1 (0.97%) Ansible
4 1 (0.97%) Consul
4 1 (0.97%) Docker Swarm
4 1 (0.97%) Failover Clustering
4 1 (0.97%) Microsoft Clustering
4 1 (0.97%) Microsoft Data Protection Manager
4 1 (0.97%) Perfmon
4 1 (0.97%) rkt
4 1 (0.97%) SCCM
4 1 (0.97%) SCOM
4 1 (0.97%) Single Sign-On
4 1 (0.97%) Tivoli Monitoring
4 1 (0.97%) vRealize
4 1 (0.97%) vRealize Orchestrator
4 1 (0.97%) WebSphere Service Registry and Repository
Vendors
1 13 (12.62%) VMware
2 10 (9.71%) EMC
2 10 (9.71%) McAfee
3 8 (7.77%) Hitachi
4 7 (6.80%) Oracle
5 6 (5.83%) Microsoft
6 5 (4.85%) Calypso
7 4 (3.88%) Bloomberg
7 4 (3.88%) Reuters
7 4 (3.88%) Splunk
7 4 (3.88%) Sybase
8 3 (2.91%) HP
8 3 (2.91%) Ivanti
8 3 (2.91%) Varonis
9 2 (1.94%) 3PAR
9 2 (1.94%) Cisco
9 2 (1.94%) Citrix
9 2 (1.94%) IBM
9 2 (1.94%) NetApp
9 2 (1.94%) Red Hat