Period
to 24 January 2020

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 24 January 2020 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
24 Jan 2020
Same period 2019 Same period 2018
Rank 153 182 191
Rank change year-on-year +29 +9 -56
Contract jobs citing C 45 75 58
As % of all contract IT jobs advertised in the City of London 0.91% 1.10% 0.81%
As % of the Programming Languages category 1.89% 2.04% 1.53%
Number of daily rates quoted 32 61 48
City of London median daily rate £494 £525 £513
Median daily rate % change year-on-year -5.95% +2.44% -6.82%
10th Percentile £389 £406 £361
90th Percentile £700 £775 £725
Central London median daily rate £500 £513 £525
% change year-on-year -2.44% -2.38% -4.55%
Number of hourly rates quoted 1 0 0
City of London median hourly rate £63.33 - -
Central London median hourly rate £63.33 £18.70 £42.50
% change year-on-year +238.66% -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 2,378 3,673 3,783
As % of all contract IT jobs advertised in the City of London 48.24% 53.70% 53.03%
Number of daily rates quoted 1,896 3,037 3,206
City of London median daily rate £525 £525 £525
10th Percentile £388 £388 £363
90th Percentile £688 £675 £688
Central London median daily rate £525 £525 £513
% change year-on-year - +2.44% +7.89%
Number of hourly rates quoted 14 7 9
City of London median hourly rate £41.25 £37.09 £27.09
Median hourly rate % change year-on-year +11.22% +36.91% -1.49%
10th Percentile £22.17 £18.35 £20.45
90th Percentile £54.75 £85.21 £52.10
Central London median hourly rate £35.00 £37.09 £28.00
% change year-on-year -5.63% +32.46% +1.82%

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 24 January 2020.

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 24 January 2020, 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 11 (24.44%) Microsoft
1 11 (24.44%) Agile Software Development
2 10 (22.22%) SQL
3 9 (20.00%) C++
4 8 (17.78%) Java
4 8 (17.78%) TDD
4 8 (17.78%) Finance
5 7 (15.56%) T-SQL
5 7 (15.56%) Python
6 6 (13.33%) Windows
6 6 (13.33%) .NET
6 6 (13.33%) Scrum
6 6 (13.33%) Team Foundation Server
7 5 (11.11%) Azure
7 5 (11.11%) Marketing
7 5 (11.11%) Refactoring
7 5 (11.11%) Stakeholder Management
7 5 (11.11%) VB.NET
7 5 (11.11%) Oracle
7 5 (11.11%) XML
7 5 (11.11%) Linux
8 4 (8.89%) Project Management
8 4 (8.89%) Migration
8 4 (8.89%) Banking
8 4 (8.89%) Software Engineering
8 4 (8.89%) Degree
8 4 (8.89%) Analytics
8 4 (8.89%) User Stories
8 4 (8.89%) Project Delivery
9 3 (6.67%) Front End Development

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 3 (6.67%) Adobe Experience Manager
2 2 (4.44%) Apache Spark
3 1 (2.22%) Confluence
Applications
1 3 (6.67%) Microsoft Project
2 2 (4.44%) Microsoft Office
3 1 (2.22%) Microsoft Excel
3 1 (2.22%) Microsoft PowerPoint
Business Applications
1 1 (2.22%) Dynamics NAV
1 1 (2.22%) FINCAD Analytics
1 1 (2.22%) ION MarketView
1 1 (2.22%) Oracle EBS
1 1 (2.22%) Temenos T24
Cloud Services
1 5 (11.11%) Azure
2 3 (6.67%) Adobe Analytics
2 3 (6.67%) AWS
2 3 (6.67%) Office 365
3 1 (2.22%) Amazon S3
3 1 (2.22%) Amazon SQS
3 1 (2.22%) AWS IoT
3 1 (2.22%) AWS Lambda
3 1 (2.22%) AWS Step Functions
3 1 (2.22%) Azure Data Factory
3 1 (2.22%) GCP
3 1 (2.22%) SaaS
3 1 (2.22%) Serverless
Communications & Networking
1 3 (6.67%) HTTP
1 3 (6.67%) Internet
2 2 (4.44%) Broadband
2 2 (4.44%) Firewall
2 2 (4.44%) TCP/IP
3 1 (2.22%) BGP
3 1 (2.22%) DHCP
3 1 (2.22%) HTTPS
3 1 (2.22%) Intrusion Detection
3 1 (2.22%) IPv4
3 1 (2.22%) IPv6
3 1 (2.22%) Junos
3 1 (2.22%) L2TP
3 1 (2.22%) LAN
3 1 (2.22%) MPLS
3 1 (2.22%) OSPF
3 1 (2.22%) VPN
3 1 (2.22%) WAN
3 1 (2.22%) Wi-Fi
3 1 (2.22%) Wireshark
Database & Business Intelligence
1 2 (4.44%) MongoDB
1 2 (4.44%) SQL Server
2 1 (2.22%) Amazon Athena
2 1 (2.22%) Amazon Aurora
2 1 (2.22%) Amazon RDS
2 1 (2.22%) Amazon Redshift
2 1 (2.22%) Apache Cassandra
2 1 (2.22%) Data Warehouse
2 1 (2.22%) DB2
2 1 (2.22%) Hadoop
2 1 (2.22%) InfluxDB
2 1 (2.22%) KDB
2 1 (2.22%) NoSQL
2 1 (2.22%) PostgreSQL
2 1 (2.22%) Presto
2 1 (2.22%) Relational Database
Development Applications
1 6 (13.33%) Team Foundation Server
2 2 (4.44%) JIRA
3 1 (2.22%) Appium
3 1 (2.22%) CircleCI
3 1 (2.22%) fastlane
3 1 (2.22%) Git (software)
3 1 (2.22%) Jenkins
3 1 (2.22%) Maven
3 1 (2.22%) Selenium
3 1 (2.22%) Xcode
General
1 8 (17.78%) Finance
2 5 (11.11%) Marketing
3 4 (8.89%) Banking
4 2 (4.44%) Front Office
5 1 (2.22%) Arabic Language
5 1 (2.22%) Financial Institution
5 1 (2.22%) Investment Banking
5 1 (2.22%) Law
5 1 (2.22%) Legal
5 1 (2.22%) Public Sector
Job Titles
1 14 (31.11%) Developer
2 5 (11.11%) .NET Developer
2 5 (11.11%) Project Manager
2 5 (11.11%) Senior Developer
2 5 (11.11%) VB.NET Developer
3 4 (8.89%) Analyst
4 3 (6.67%) Agile Project Manager
4 3 (6.67%) C Developer
4 3 (6.67%) Data Manager
4 3 (6.67%) Senior .NET Developer
4 3 (6.67%) Senior C Developer
4 3 (6.67%) Senior VB.NET Developer
4 3 (6.67%) Strategy Manager
5 2 (4.44%) Campaign Manager
5 2 (4.44%) Campaign Marketing Manager
5 2 (4.44%) Data Governance Manager
5 2 (4.44%) Governance Manager
5 2 (4.44%) Marketing Manager
5 2 (4.44%) Product Owner
5 2 (4.44%) Project Governance Manager
Libraries, Frameworks & Software Standards
1 6 (13.33%) .NET
2 5 (11.11%) XML
3 2 (4.44%) AngularJS
3 2 (4.44%) Backbone.js
3 2 (4.44%) iOS SDK
3 2 (4.44%) Kafka
3 2 (4.44%) React
3 2 (4.44%) RESTful
4 1 (2.22%) Apache NiFi
4 1 (2.22%) Elastic Stack
4 1 (2.22%) Ember.js
4 1 (2.22%) Esper
4 1 (2.22%) Node.js
4 1 (2.22%) Pyramid
4 1 (2.22%) RabbitMQ
4 1 (2.22%) RxSwift
4 1 (2.22%) Spark Streaming
4 1 (2.22%) Spring Boot
4 1 (2.22%) Twitter Bootstrap
4 1 (2.22%) Yocto
Miscellaneous
1 2 (4.44%) Algorithms
1 2 (4.44%) Analytical Skills
1 2 (4.44%) Fixed Income
1 2 (4.44%) Greenfield Project
2 1 (2.22%) AS400
2 1 (2.22%) Cloud Native
2 1 (2.22%) Derivative
2 1 (2.22%) Device Driver
2 1 (2.22%) Equities
2 1 (2.22%) Foreign Exchange (FX)
2 1 (2.22%) Hedge funds
2 1 (2.22%) Hybrid Cloud
2 1 (2.22%) Management Information System
2 1 (2.22%) Smartphone
2 1 (2.22%) Tandem
2 1 (2.22%) User Experience
Operating Systems
1 6 (13.33%) Windows
2 5 (11.11%) Linux
3 3 (6.67%) Apple iOS
3 3 (6.67%) Unix
3 3 (6.67%) Windows 10
4 1 (2.22%) Windows Server
Processes & Methodologies
1 11 (24.44%) Agile Software Development
2 8 (17.78%) TDD
3 6 (13.33%) Scrum
4 5 (11.11%) Refactoring
4 5 (11.11%) Stakeholder Management
5 4 (8.89%) Analytics
5 4 (8.89%) Migration
5 4 (8.89%) Project Delivery
5 4 (8.89%) Project Management
5 4 (8.89%) Software Engineering
5 4 (8.89%) User Stories
6 3 (6.67%) Collaborative Working
6 3 (6.67%) Data Strategy
6 3 (6.67%) ERP
6 3 (6.67%) Front End Development
6 3 (6.67%) iOS Development
6 3 (6.67%) Microservices
6 3 (6.67%) MVC
6 3 (6.67%) Target Operating Model
6 3 (6.67%) Workflow
Programming Languages
1 10 (22.22%) SQL
2 9 (20.00%) C++
3 8 (17.78%) Java
4 7 (15.56%) Python
4 7 (15.56%) T-SQL
5 5 (11.11%) VB.NET
6 3 (6.67%) Apple Swift
6 3 (6.67%) JavaScript
6 3 (6.67%) Objective-C
7 2 (4.44%) C#
7 2 (4.44%) Go
7 2 (4.44%) PowerShell
8 1 (2.22%) PHP
8 1 (2.22%) Ruby
Qualifications
1 4 (8.89%) Degree
2 2 (4.44%) CISM
2 2 (4.44%) CISSP
3 1 (2.22%) CIPD
3 1 (2.22%) CISA
3 1 (2.22%) Computer Science Degree
3 1 (2.22%) CRISC
3 1 (2.22%) GCIA
3 1 (2.22%) GCIH
3 1 (2.22%) Microsoft Certification
3 1 (2.22%) Numerate Degree
3 1 (2.22%) PhD
3 1 (2.22%) SANS
3 1 (2.22%) SC Cleared
3 1 (2.22%) Security Cleared
Quality Assurance & Compliance
1 1 (2.22%) PMO
1 1 (2.22%) QA
System Software
1 2 (4.44%) Active Directory
2 1 (2.22%) Docker
Systems Management
1 2 (4.44%) Kubernetes
1 2 (4.44%) Microsoft Intune
1 2 (4.44%) SCCM
2 1 (2.22%) CSIRT
2 1 (2.22%) Graphite
Vendors
1 11 (24.44%) Microsoft
2 5 (11.11%) Oracle
3 3 (6.67%) Adobe
3 3 (6.67%) Perforce
3 3 (6.67%) SAP
4 2 (4.44%) Salesforce.com
4 2 (4.44%) Workday
5 1 (2.22%) Bloomberg
5 1 (2.22%) IBM
5 1 (2.22%) ION Trading
5 1 (2.22%) jBASE
5 1 (2.22%) Juniper
5 1 (2.22%) Mitel
5 1 (2.22%) ServiceNow
5 1 (2.22%) Splunk
5 1 (2.22%) Tableau
5 1 (2.22%) Temenos