Period
to 18 October 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 October 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 Oct 2018
Same period 2017 Same period 2016
Rank 166 173 142
Rank change year-on-year +7 -31 +47
Contract jobs citing C 98 73 109
As % of all contract IT jobs advertised in the City of London 1.40% 1.06% 1.63%
As % of the Programming Languages category 2.59% 2.05% 3.27%
Number of daily rates quoted 84 58 92
City of London median daily rate £513 £525 £538
Median daily rate % change year-on-year -2.38% -2.33% +11.28%
10th Percentile £425 £380 £413
90th Percentile £775 £704 £588
Central London median daily rate £500 £525 £488
% change year-on-year -4.76% +7.69% +2.63%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £18.70 - -
Central London median hourly rate £18.70 £42.50 -
% change year-on-year -56.00% - -

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 3,778 3,558 3,329
As % of all contract IT jobs advertised in the City of London 53.89% 51.90% 49.84%
Number of daily rates quoted 3,142 2,896 2,808
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £375 £363 £319
90th Percentile £688 £675 £650
Central London median daily rate £525 £500 £470
% change year-on-year +5.00% +6.38% +1.62%
Number of hourly rates quoted 12 11 12
City of London median hourly rate £29.55 £21.50 £27.50
Median hourly rate % change year-on-year +37.42% -21.82% +15.79%
10th Percentile £13.12 £13.30 £16.66
90th Percentile £60.47 £30.00 £56.68
Central London median hourly rate £22.00 £21.50 £27.50
% change year-on-year +2.33% -21.82% +15.79%

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 October 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 October 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 (41.84%) Finance
2 35 (35.71%) C#
2 35 (35.71%) SQL
3 30 (30.61%) Microsoft Azure
4 25 (25.51%) .NET
5 24 (24.49%) TDD
6 23 (23.47%) Microservices
6 23 (23.47%) Greenfield Project
7 22 (22.45%) Windows
7 22 (22.45%) Python
8 21 (21.43%) C++
8 21 (21.43%) AngularJS
9 20 (20.41%) Java
10 19 (19.39%) Banking
10 19 (19.39%) .NET Core
11 18 (18.37%) Fintech
11 18 (18.37%) Agile Software Development
12 17 (17.35%) React
13 16 (16.33%) Angular 2
13 16 (16.33%) JavaScript
14 15 (15.31%) VMware
14 15 (15.31%) Cosmos DB
14 15 (15.31%) Windows Server
15 14 (14.29%) VMware Infrastructure
15 14 (14.29%) Windows Server 2008
16 13 (13.27%) McAfee
16 13 (13.27%) ITIL
16 13 (13.27%) Azure SQL Database
17 12 (12.24%) Linux
17 12 (12.24%) SQL Server

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 5 (5.10%) Elasticsearch
2 4 (4.08%) Skype for Business
3 3 (3.06%) Apache Spark
3 3 (3.06%) Cloud Foundry
4 2 (2.04%) Apache
4 2 (2.04%) Apache Solr
4 2 (2.04%) WebSphere
5 1 (1.02%) Adobe Experience Manager
5 1 (1.02%) BizTalk Server
5 1 (1.02%) CMS
5 1 (1.02%) Ethereum
5 1 (1.02%) Exchange Server 2010
5 1 (1.02%) IIS
5 1 (1.02%) MS Exchange
5 1 (1.02%) SharePoint
Applications
1 2 (2.04%) Microsoft Office
2 1 (1.02%) Microsoft Excel
2 1 (1.02%) Microsoft Project
2 1 (1.02%) MS Visio
Business Applications
1 2 (2.04%) Distributed Ledger
2 1 (1.02%) Oracle BPM
2 1 (1.02%) Oracle Cash Management
2 1 (1.02%) Salesforce.com CRM
2 1 (1.02%) Summit
Cloud Services
1 30 (30.61%) Microsoft Azure
2 8 (8.16%) Amazon AWS
3 6 (6.12%) Serverless
4 4 (4.08%) Office 365
5 1 (1.02%) AWS Lambda
5 1 (1.02%) CloudFront
5 1 (1.02%) Fastly
5 1 (1.02%) Google Cloud Platform
5 1 (1.02%) Google Play
5 1 (1.02%) Mimecast
Communications & Networking
1 11 (11.22%) SAN
2 7 (7.14%) DNS
3 6 (6.12%) DHCP
4 4 (4.08%) Internet
4 4 (4.08%) Skype
5 3 (3.06%) Kerberos
5 3 (3.06%) TCP/IP
6 2 (2.04%) Network Security
6 2 (2.04%) SSL
7 1 (1.02%) AMQP
7 1 (1.02%) HTTP
7 1 (1.02%) Intranet
7 1 (1.02%) IPFS
7 1 (1.02%) Junos
7 1 (1.02%) LAN
7 1 (1.02%) MPLS
7 1 (1.02%) Multicast
7 1 (1.02%) Spanning Tree
7 1 (1.02%) VPN
7 1 (1.02%) WAN
Database & Business Intelligence
1 15 (15.31%) Cosmos DB
2 13 (13.27%) Azure SQL Database
3 12 (12.24%) SQL Server
4 11 (11.22%) Blockchain
5 6 (6.12%) NoSQL
5 6 (6.12%) Redis
6 5 (5.10%) Data Lake
7 4 (4.08%) KDB
7 4 (4.08%) Kdb+
7 4 (4.08%) MongoDB
7 4 (4.08%) MySQL
8 3 (3.06%) Relational Database
9 2 (2.04%) Apache Cassandra
9 2 (2.04%) DB2
9 2 (2.04%) HBase
9 2 (2.04%) PostgreSQL
9 2 (2.04%) Riak
9 2 (2.04%) SQL Server 2012
10 1 (1.02%) SQL Server Integration Services
10 1 (1.02%) SQL Server Reporting Services
Development Applications
1 10 (10.20%) Git (software)
2 8 (8.16%) Jenkins
3 5 (5.10%) Maven
4 3 (3.06%) Pivotal Tracker
4 3 (3.06%) Xcode
5 2 (2.04%) Gradle
5 2 (2.04%) Jasmine
5 2 (2.04%) JIRA
5 2 (2.04%) jMock
5 2 (2.04%) JUnit
5 2 (2.04%) Mockito
5 2 (2.04%) Robot Framework
5 2 (2.04%) Selenium
6 1 (1.02%) IBM UrbanCode
6 1 (1.02%) Octopus Deploy
6 1 (1.02%) RStudio
6 1 (1.02%) SpecFlow
6 1 (1.02%) Team Foundation Server
6 1 (1.02%) TeamCity
6 1 (1.02%) webpack
General
1 41 (41.84%) Finance
2 19 (19.39%) Banking
3 3 (3.06%) Automotive
3 3 (3.06%) International Banking
4 2 (2.04%) Front Office
4 2 (2.04%) Marketing
4 2 (2.04%) Prime Brokerage
5 1 (1.02%) Financial Institution
5 1 (1.02%) Investment Banking
5 1 (1.02%) Legal
5 1 (1.02%) Publishing
5 1 (1.02%) Retail
5 1 (1.02%) Telecoms
Job Titles
1 37 (37.76%) Developer
2 16 (16.33%) .NET Developer
3 15 (15.31%) Analyst
4 14 (14.29%) C Developer
5 12 (12.24%) Architect
6 9 (9.18%) Angular Developer
7 8 (8.16%) Applications Support
7 8 (8.16%) Applications Support Analyst
7 8 (8.16%) Azure Developer
8 7 (7.14%) Security Architect
8 7 (7.14%) Systems Support
8 7 (7.14%) Systems Support Analyst
9 6 (6.12%) C# Developer
9 6 (6.12%) Infrastructure Engineer
9 6 (6.12%) Java Developer
9 6 (6.12%) Senior Infrastructure Engineer
10 5 (5.10%) C# .NET Developer
11 4 (4.08%) KDB Developer
11 4 (4.08%) React Developer
11 4 (4.08%) Senior Developer
Libraries, Frameworks & Software Standards
1 25 (25.51%) .NET
2 21 (21.43%) AngularJS
3 19 (19.39%) .NET Core
4 17 (17.35%) React
5 16 (16.33%) Angular 2
6 11 (11.22%) ASP.NET Web API
7 8 (8.16%) REST
8 6 (6.12%) .NET Framework
8 6 (6.12%) Entity Framework
8 6 (6.12%) Smart Contracts
9 5 (5.10%) HTML
9 5 (5.10%) XML
10 4 (4.08%) JSON
11 3 (3.06%) CSS
11 3 (3.06%) FIX Protocol
11 3 (3.06%) Middleware
11 3 (3.06%) Node.js
11 3 (3.06%) RESTful
11 3 (3.06%) RxSwift
12 2 (2.04%) SciPy
Miscellaneous
1 23 (23.47%) Greenfield Project
2 18 (18.37%) Fintech
3 8 (8.16%) Algorithms
3 8 (8.16%) Analytical Skills
3 8 (8.16%) Computer Science
4 7 (7.14%) Derivative
4 7 (7.14%) Digital Currency
4 7 (7.14%) Reinsurance
5 4 (4.08%) Fixed Income
5 4 (4.08%) User Experience
6 3 (3.06%) Data Structures
6 3 (3.06%) Equities
6 3 (3.06%) SWIFT
7 2 (2.04%) Bitcoin
7 2 (2.04%) CCTV
7 2 (2.04%) Enterprise Software
7 2 (2.04%) Foreign Exchange (FX)
7 2 (2.04%) OTC Derivatives
7 2 (2.04%) Self-Motivation
8 1 (1.02%) PMI
Operating Systems
1 22 (22.45%) Windows
2 15 (15.31%) Windows Server
3 14 (14.29%) Windows Server 2008
4 12 (12.24%) Linux
5 7 (7.14%) Unix
6 6 (6.12%) Windows Server 2012
7 5 (5.10%) Apple iOS
8 3 (3.06%) Android
8 3 (3.06%) Windows 10
9 1 (1.02%) AIX
9 1 (1.02%) Red Hat Enterprise Linux
9 1 (1.02%) Solaris
9 1 (1.02%) SUSE
9 1 (1.02%) SUSE Linux Enterprise Server
9 1 (1.02%) Windows 7
9 1 (1.02%) Windows XP
Processes & Methodologies
1 24 (24.49%) TDD
2 23 (23.47%) Microservices
3 18 (18.37%) Agile Software Development
4 13 (13.27%) ITIL
5 10 (10.20%) Artificial Intelligence
5 10 (10.20%) User Acceptance Testing
6 9 (9.18%) Cryptography
6 9 (9.18%) Problem-Solving
6 9 (9.18%) Stakeholder Management
7 8 (8.16%) Analytics
7 8 (8.16%) Cybersecurity
7 8 (8.16%) Performance Monitoring
7 8 (8.16%) Regression Testing
8 7 (7.14%) Coaching
9 6 (6.12%) Continuous Delivery
9 6 (6.12%) Infrastructure Engineering
9 6 (6.12%) MVC
9 6 (6.12%) SDLC
9 6 (6.12%) Test Automation
9 6 (6.12%) Unit Testing
Programming Languages
1 35 (35.71%) C#
1 35 (35.71%) SQL
2 22 (22.45%) Python
3 21 (21.43%) C++
4 20 (20.41%) Java
5 16 (16.33%) JavaScript
6 9 (9.18%) Go
7 7 (7.14%) PowerShell
8 6 (6.12%) Kotlin
9 4 (4.08%) Apple Swift
9 4 (4.08%) Objective-C
10 3 (3.06%) Perl
10 3 (3.06%) PHP
10 3 (3.06%) R
10 3 (3.06%) Ruby
11 2 (2.04%) Clojure
11 2 (2.04%) Groovy
11 2 (2.04%) Scala
11 2 (2.04%) Solidity
11 2 (2.04%) TypeScript
Qualifications
1 10 (10.20%) MCSE
1 10 (10.20%) Microsoft Certification
2 6 (6.12%) Degree
3 2 (2.04%) Computer Science Degree
3 2 (2.04%) ITIL Certification
4 1 (1.02%) (ISC)2 CCSP
4 1 (1.02%) CISA
4 1 (1.02%) Cisco Certification
4 1 (1.02%) CISSP
4 1 (1.02%) CompTIA Security+
4 1 (1.02%) CREST Certified
4 1 (1.02%) ISTQB
4 1 (1.02%) JNCIP
4 1 (1.02%) MOS
4 1 (1.02%) OSCP
4 1 (1.02%) PhD
4 1 (1.02%) PMI Certification
4 1 (1.02%) SC Cleared
4 1 (1.02%) Security Cleared
4 1 (1.02%) Sun Certification
Quality Assurance & Compliance
1 7 (7.14%) QA
2 2 (2.04%) MiFID
2 2 (2.04%) SEPA
3 1 (1.02%) ISO/IEC 27001
System Software
1 14 (14.29%) VMware Infrastructure
2 8 (8.16%) Active Directory
2 8 (8.16%) VMware ESXi
3 4 (4.08%) Docker
4 1 (1.02%) Hyper-V
4 1 (1.02%) Microsoft App-V
4 1 (1.02%) Virtual Machines
4 1 (1.02%) XenApp
4 1 (1.02%) XenDesktop
Systems Management
1 5 (5.10%) McAfee ePO
1 5 (5.10%) Tivoli
2 4 (4.08%) SCCM
3 3 (3.06%) DatAdvantage
3 3 (3.06%) Kubernetes
3 3 (3.06%) Tivoli Monitoring
4 2 (2.04%) Ansible
5 1 (1.02%) CFEngine
5 1 (1.02%) Consul
5 1 (1.02%) Docker Swarm
5 1 (1.02%) Failover Clustering
5 1 (1.02%) Microsoft Clustering
5 1 (1.02%) Microsoft Data Protection Manager
5 1 (1.02%) Opscode Chef
5 1 (1.02%) Perfmon
5 1 (1.02%) Puppet
5 1 (1.02%) rkt
5 1 (1.02%) SCOM
5 1 (1.02%) SCOrch
5 1 (1.02%) vCenter Server
Vendors
1 15 (15.31%) VMware
2 13 (13.27%) McAfee
3 12 (12.24%) EMC
4 11 (11.22%) Hitachi
5 7 (7.14%) Microsoft
5 7 (7.14%) Splunk
6 6 (6.12%) Ivanti
7 5 (5.10%) Oracle
7 5 (5.10%) Sybase
8 4 (4.08%) IBM
9 3 (3.06%) Varonis
10 2 (2.04%) Calypso
10 2 (2.04%) Citrix
10 2 (2.04%) Google
10 2 (2.04%) HP
10 2 (2.04%) Informatica
10 2 (2.04%) Red Hat
10 2 (2.04%) TIBCO
11 1 (1.02%) Adobe
11 1 (1.02%) Brocade