The following table provides summary statistics for contract job vacancies advertised in London with a requirement for WebRTC skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WebRTC over the 3 months to 29 March 2017 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.

WebRTC (Web Real-Time Communications)
England / London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 402 438 404
Rank change year-on-year +36 -34  
Contract jobs citing WebRTC 6 1 2
As % of all contract IT jobs advertised in London 0.031% 0.004% 0.009%
As % of the Libraries, Frameworks & Software Standards category 0.088% 0.014% 0.031%
Number of daily rates quoted 1 0 1
Median daily rate £500 - £450
UK excluding London median daily rate - £400 -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

WebRTC is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 6798 7159 6427
As % of all contract IT job vacancies advertised in London 34.75% 31.90% 30.20%
Number of daily rates quoted 5065 5371 4647
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £613 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 49 28 27
Median hourly rate £47.50 £50.00 £27.37
Median hourly rate % change year-on-year -5.00% +82.68%  
90% offered a hourly rate of more than £17.01 £21.37 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

WebRTC
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing WebRTC as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for WebRTC in London

WebRTC
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing WebRTC in London.

Contractor daily rate trend for WebRTC in London

For the 6 months to 29 March 2017, IT contractor jobs citing WebRTC also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for WebRTC.

1 8 (88.89%) Agile Software Development
2 6 (66.67%) TDD
2 6 (66.67%) Python
2 6 (66.67%) AngularJS
3 5 (55.56%) Apache Spark
3 5 (55.56%) DataStax
3 5 (55.56%) Karma Test Runner
3 5 (55.56%) Flask
3 5 (55.56%) Apache Cassandra
3 5 (55.56%) Bitbucket
3 5 (55.56%) Mobile App
3 5 (55.56%) Linux
3 5 (55.56%) Apache
3 5 (55.56%) Technical Architecture
3 5 (55.56%) JIRA
3 5 (55.56%) Atlassian Bamboo
3 5 (55.56%) nginx
3 5 (55.56%) Apache Solr
3 5 (55.56%) Confluence
4 4 (44.44%) HTTP
4 4 (44.44%) Skype
5 3 (33.33%) C#
5 3 (33.33%) Amazon AWS
6 2 (22.22%) Microsoft Azure
6 2 (22.22%) Asterisk PBX
6 2 (22.22%) SaaS
6 2 (22.22%) IP Telephony
6 2 (22.22%) C++
6 2 (22.22%) HTML
6 2 (22.22%) Java

WebRTC
Co-occurring IT Skills in 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 (55.56%) Apache
1 5 (55.56%) Apache Solr
1 5 (55.56%) Apache Spark
1 5 (55.56%) Confluence
1 5 (55.56%) nginx
2 1 (11.11%) IIS
Cloud Services
1 3 (33.33%) Amazon AWS
2 2 (22.22%) Microsoft Azure
2 2 (22.22%) SaaS
Communications & Networking
1 4 (44.44%) HTTP
1 4 (44.44%) Skype
2 2 (22.22%) Asterisk PBX
2 2 (22.22%) IP Telephony
2 2 (22.22%) PBX
2 2 (22.22%) SSL
2 2 (22.22%) TCP/IP
2 2 (22.22%) VoIP
3 1 (11.11%) MQTT
3 1 (11.11%) RTP
3 1 (11.11%) RTSP
3 1 (11.11%) STUN
Database & Business Intelligence
1 5 (55.56%) Apache Cassandra
1 5 (55.56%) DataStax
2 1 (11.11%) MongoDB
2 1 (11.11%) NoSQL
Development Applications
1 5 (55.56%) Atlassian Bamboo
1 5 (55.56%) Bitbucket
1 5 (55.56%) JIRA
1 5 (55.56%) Karma Test Runner
2 1 (11.11%) Git (software)
2 1 (11.11%) TeamCity
2 1 (11.11%) Visual Studio
General
1 2 (22.22%) Telecoms
Job Titles
1 9 (100.00%) Developer
2 6 (66.67%) Full Stack Developer
3 5 (55.56%) Python Developer
4 4 (44.44%) Angular Developer
5 3 (33.33%) C# Developer
6 2 (22.22%) .NET Developer
6 2 (22.22%) C# .NET Developer
7 1 (11.11%) .NET Software Developer
7 1 (11.11%) Agile C# Developer
7 1 (11.11%) Agile Developer
7 1 (11.11%) AWS Developer
7 1 (11.11%) Azure Developer
7 1 (11.11%) C# Software Developer
7 1 (11.11%) Cloud Developer
7 1 (11.11%) Senior Developer
7 1 (11.11%) Senior Java Developer
7 1 (11.11%) Telecoms Developer
7 1 (11.11%) Telecoms Software Developer
7 1 (11.11%) Telephony Developer
7 1 (11.11%) Video On Demand Developer
Libraries, Frameworks & Software Standards
1 6 (66.67%) AngularJS
2 5 (55.56%) Flask
3 2 (22.22%) .NET
3 2 (22.22%) HTML
3 2 (22.22%) JSON
3 2 (22.22%) Middleware
3 2 (22.22%) Web Services
4 1 (11.11%) FFmpeg
4 1 (11.11%) GStreamer
4 1 (11.11%) HTML5
4 1 (11.11%) jQuery
4 1 (11.11%) Kafka
4 1 (11.11%) Node.js
4 1 (11.11%) OpenID
4 1 (11.11%) REST
4 1 (11.11%) WebGL
4 1 (11.11%) WebSockets
4 1 (11.11%) XACML
4 1 (11.11%) XML
4 1 (11.11%) XSLT
Miscellaneous
1 5 (55.56%) Mobile App
2 1 (11.11%) Computer Science
2 1 (11.11%) MPEG
2 1 (11.11%) Streaming Video
2 1 (11.11%) Video on Demand
Operating Systems
1 5 (55.56%) Linux
2 1 (11.11%) Android
2 1 (11.11%) Apple iOS
Processes & Methodologies
1 8 (88.89%) Agile Software Development
2 6 (66.67%) TDD
3 5 (55.56%) Technical Architecture
4 1 (11.11%) API Design
4 1 (11.11%) BDD
4 1 (11.11%) Continuous Integration
4 1 (11.11%) DevOps
4 1 (11.11%) Feature Driven Development
4 1 (11.11%) Refactoring
4 1 (11.11%) Scrum
Programming Languages
1 6 (66.67%) Python
2 3 (33.33%) C#
3 2 (22.22%) C++
3 2 (22.22%) Java
3 2 (22.22%) JavaScript
4 1 (11.11%) C
4 1 (11.11%) Go
Qualifications
1 1 (11.11%) Degree
Systems Management
1 1 (11.11%) Opscode Chef
1 1 (11.11%) Puppet
Vendors
1 2 (22.22%) BroadSoft
1 2 (22.22%) Microsoft
2 1 (11.11%) Brightcove