Period
to 21 May 2019

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 21 May 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
Central London > City of London
6 months to
21 May 2019
Same period 2018 Same period 2017
Rank 192 190 156
Rank change year-on-year -2 -34 +16
Contract jobs citing C 42 64 70
As % of all contract IT jobs advertised in the City of London 0.65% 0.92% 1.14%
As % of the Programming Languages category 1.29% 1.76% 2.30%
Number of daily rates quoted 28 51 49
City of London median daily rate £518 £500 £525
Median daily rate % change year-on-year +3.50% -4.76% +7.69%
10th Percentile £294 £413 £383
90th Percentile £686 £613 £655
Central London median daily rate £513 £500 £525
% change year-on-year +2.50% -4.76% +19.32%
Number of hourly rates quoted 1 1 0
City of London median hourly rate £11.00 £18.70 -
Median hourly rate % change year-on-year -41.18% - -
Central London median hourly rate £11.00 £18.70 -
% change year-on-year -41.18% - -

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 3,249 3,645 3,041
As % of all contract IT jobs advertised in the City of London 50.41% 52.67% 49.73%
Number of daily rates quoted 2,633 3,068 2,478
City of London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £406 £363 £325
90th Percentile £675 £700 £650
Central London median daily rate £525 £513 £480
% change year-on-year +2.44% +6.77% +3.78%
Number of hourly rates quoted 20 21 4
City of London median hourly rate £28.75 £21.50 £28.35
Median hourly rate % change year-on-year +33.72% -24.15% +9.02%
10th Percentile £20.71 £12.75 £15.43
90th Percentile £56.93 £48.25 £35.18
Central London median hourly rate £35.00 £21.50 £28.35
% change year-on-year +62.79% -24.15% +9.02%

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 21 May 2019.

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 21 May 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 City of London region with a requirement for C.

1 13 (30.95%) C++
2 12 (28.57%) SQL
3 9 (21.43%) Finance
4 7 (16.67%) Microsoft
4 7 (16.67%) Java
4 7 (16.67%) C#
4 7 (16.67%) Python
5 6 (14.29%) Agile Software Development
6 5 (11.90%) Advertising
6 5 (11.90%) JavaScript
6 5 (11.90%) .NET
6 5 (11.90%) Microsoft Azure
6 5 (11.90%) Docker
7 4 (9.52%) Kubernetes
7 4 (9.52%) Project Management
7 4 (9.52%) Microsoft Excel
7 4 (9.52%) Migration
7 4 (9.52%) Business Analysis
8 3 (7.14%) Microsoft PowerPoint
8 3 (7.14%) .NET Framework
8 3 (7.14%) TDD
8 3 (7.14%) Banking
8 3 (7.14%) Software Engineering
8 3 (7.14%) Change Management
8 3 (7.14%) Firewall
8 3 (7.14%) AWK
8 3 (7.14%) ERP
8 3 (7.14%) Linux
8 3 (7.14%) PRINCE2
8 3 (7.14%) Microservices

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 2 (4.76%) Confluence
2 1 (2.38%) Hyperledger
2 1 (2.38%) SAS
2 1 (2.38%) Skype for Business
Applications
1 4 (9.52%) Microsoft Excel
2 3 (7.14%) Microsoft PowerPoint
3 2 (4.76%) Microsoft Project
Business Applications
1 2 (4.76%) Sage 200
2 1 (2.38%) Dynamics NAV
2 1 (2.38%) ION MarketView
Cloud Services
1 5 (11.90%) Microsoft Azure
2 2 (4.76%) Amazon AWS
2 2 (4.76%) Serverless
3 1 (2.38%) Adobe Analytics
3 1 (2.38%) Amazon EC2
3 1 (2.38%) Amazon ELB
3 1 (2.38%) Amazon S3
3 1 (2.38%) AWS CloudFormation
3 1 (2.38%) Power Platform
3 1 (2.38%) SaaS
3 1 (2.38%) Virtual Private Cloud
Communications & Networking
1 3 (7.14%) Firewall
2 2 (4.76%) Ethernet
2 2 (4.76%) HTTP
2 2 (4.76%) LAN
2 2 (4.76%) SSL
2 2 (4.76%) WAN
3 1 (2.38%) BGP
3 1 (2.38%) DHCP
3 1 (2.38%) DMZ
3 1 (2.38%) DNS
3 1 (2.38%) FTP
3 1 (2.38%) Internet
3 1 (2.38%) L2TP
3 1 (2.38%) MPLS
3 1 (2.38%) NetScreen
3 1 (2.38%) OSPF
3 1 (2.38%) SSH
3 1 (2.38%) TCP/IP
3 1 (2.38%) VPN
3 1 (2.38%) Wireshark
Database & Business Intelligence
1 3 (7.14%) Relational Database
2 2 (4.76%) Azure SQL Database
2 2 (4.76%) Cosmos DB
2 2 (4.76%) Data Lake
2 2 (4.76%) Redis
2 2 (4.76%) SQL Server
3 1 (2.38%) Apache Hive
3 1 (2.38%) Big Data
3 1 (2.38%) Blockchain
3 1 (2.38%) Power BI
3 1 (2.38%) SQL Server Integration Services
Development Applications
1 2 (4.76%) Jenkins
1 2 (4.76%) JIRA
2 1 (2.38%) Burp Suite
2 1 (2.38%) Git (software)
2 1 (2.38%) Hudson
2 1 (2.38%) Metasploit
2 1 (2.38%) Visual Studio Team System
General
1 9 (21.43%) Finance
2 5 (11.90%) Advertising
3 3 (7.14%) Banking
4 2 (4.76%) Law
5 1 (2.38%) Electronics
5 1 (2.38%) Front Office
5 1 (2.38%) Games
5 1 (2.38%) Legal
5 1 (2.38%) Manufacturing
5 1 (2.38%) Marketing
5 1 (2.38%) Telecoms
Job Titles
1 10 (23.81%) Developer
2 5 (11.90%) Project Manager
3 3 (7.14%) .NET Developer
3 3 (7.14%) Architect
3 3 (7.14%) Python Team Leader
3 3 (7.14%) Senior Manager
3 3 (7.14%) Senior Project Manager
3 3 (7.14%) Software Engineer
3 3 (7.14%) Team Leader
4 2 (4.76%) Analyst
4 2 (4.76%) C Developer
4 2 (4.76%) C++ Software Engineer
4 2 (4.76%) Data Engineer
4 2 (4.76%) Python Engineer
4 2 (4.76%) Sage 200 Developer
4 2 (4.76%) Sage Developer
5 1 (2.38%) C/C++ Developer
5 1 (2.38%) Dynamics NAV Project Manager
5 1 (2.38%) Embedded Engineer
5 1 (2.38%) Service Desk Support
Libraries, Frameworks & Software Standards
1 5 (11.90%) .NET
2 3 (7.14%) .NET Core
2 3 (7.14%) .NET Framework
2 3 (7.14%) ASP.NET Web API
2 3 (7.14%) Entity Framework
3 2 (4.76%) Angular 2
3 2 (4.76%) AngularJS
3 2 (4.76%) React
3 2 (4.76%) REST
4 1 (2.38%) FIX Protocol
4 1 (2.38%) HTML
4 1 (2.38%) HTML5
4 1 (2.38%) JNI
4 1 (2.38%) JSON
4 1 (2.38%) LINQ
4 1 (2.38%) Middleware
4 1 (2.38%) WinForms
4 1 (2.38%) WPF
Miscellaneous
1 3 (7.14%) Greenfield Project
2 2 (4.76%) Equities
2 2 (4.76%) Fintech
2 2 (4.76%) Mobile App
2 2 (4.76%) PMI
3 1 (2.38%) Analytical Skills
3 1 (2.38%) Cloud Native
3 1 (2.38%) Enterprise Software
3 1 (2.38%) Fixed Income
3 1 (2.38%) Foreign Exchange (FX)
3 1 (2.38%) Hedge funds
3 1 (2.38%) Reinsurance
3 1 (2.38%) Video\Live Streaming
Operating Systems
1 3 (7.14%) Linux
2 1 (2.38%) Android
2 1 (2.38%) Apple iOS
2 1 (2.38%) Kali Linux
2 1 (2.38%) Solaris
2 1 (2.38%) Unix
2 1 (2.38%) VxWorks
2 1 (2.38%) Windows
2 1 (2.38%) Windows 10
Processes & Methodologies
1 6 (14.29%) Agile Software Development
2 4 (9.52%) Business Analysis
2 4 (9.52%) Migration
2 4 (9.52%) Project Management
3 3 (7.14%) Actionable Insight
3 3 (7.14%) Change Management
3 3 (7.14%) DevOps
3 3 (7.14%) ERP
3 3 (7.14%) Microservices
3 3 (7.14%) PRINCE2
3 3 (7.14%) Software Engineering
3 3 (7.14%) TDD
3 3 (7.14%) Unit Testing
3 3 (7.14%) User Stories
4 2 (4.76%) Low Latency
4 2 (4.76%) Multithreading
4 2 (4.76%) OWASP
4 2 (4.76%) Product Management
4 2 (4.76%) SDLC
4 2 (4.76%) Use Case
Programming Languages
1 13 (30.95%) C++
2 12 (28.57%) SQL
3 7 (16.67%) C#
3 7 (16.67%) Java
3 7 (16.67%) Python
4 5 (11.90%) JavaScript
5 3 (7.14%) AWK
5 3 (7.14%) sed
6 2 (4.76%) Ruby
6 2 (4.76%) Shell Script
7 1 (2.38%) Bourne shell
7 1 (2.38%) Embedded C
7 1 (2.38%) Korn
7 1 (2.38%) Perl
Qualifications
1 2 (4.76%) Degree
1 2 (4.76%) Microsoft Certification
1 2 (4.76%) PMI Certification
2 1 (2.38%) CEH
2 1 (2.38%) CREST Certified
2 1 (2.38%) JNCIP
2 1 (2.38%) PRINCE2 Certification
Quality Assurance & Compliance
1 2 (4.76%) HIPAA
1 2 (4.76%) Sarbanes-Oxley
2 1 (2.38%) GDPR
2 1 (2.38%) PMO
System Software
1 5 (11.90%) Docker
2 2 (4.76%) Active Directory
3 1 (2.38%) Virtual Desktop
Systems Management
1 4 (9.52%) Kubernetes
2 2 (4.76%) Ansible
3 1 (2.38%) Opscode Chef
3 1 (2.38%) Puppet
3 1 (2.38%) Systems Management Server (SMS)
3 1 (2.38%) Terraform
3 1 (2.38%) Tivoli
3 1 (2.38%) Tivoli Identity Manager
Vendors
1 7 (16.67%) Microsoft
2 2 (4.76%) Sage
3 1 (2.38%) Adobe
3 1 (2.38%) IBM
3 1 (2.38%) Infor
3 1 (2.38%) ION Trading
3 1 (2.38%) Juniper
3 1 (2.38%) Splunk
3 1 (2.38%) Sybase
3 1 (2.38%) Tableau
3 1 (2.38%) Xamarin