Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies with a requirement for WebSockets skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WebSockets over the 6 months to 20 November 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.

WebSockets
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 720 733 820
Rank change year-on-year +13 +87 -4
Contract jobs citing WebSockets 159 155 66
As % of all contract IT jobs advertised in the UK 0.16% 0.15% 0.058%
As % of the Libraries, Frameworks & Software Standards category 0.48% 0.49% 0.20%
Number of daily rates quoted 123 115 42
UK median daily rate £525 £410 £463
Median daily rate % change year-on-year +28.05% -11.35% +6.94%
10th Percentile £363 £263 £301
90th Percentile £650 £650 £700
UK excluding London median daily rate £395 £275 £296
% change year-on-year +43.64% -7.17% -25.94%
Number of hourly rates quoted 0 3 1
UK median hourly rate - £37.50 £37.50
UK excluding London median hourly rate - £37.50 £37.50

WebSockets is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 32796 31564 32386
As % of all contract IT jobs advertised in the UK 32.07% 30.35% 28.32%
Number of daily rates quoted 23154 21883 22196
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 380 362 558
UK median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +8.70%
10th Percentile £18.45 £14.35 £15.03
90th Percentile £52.50 £51.80 £55.00
UK excluding London median hourly rate £41.00 £37.00 £37.50
% change year-on-year +10.81% -1.33% +11.48%

WebSockets
Job Vacancy Trend

Job postings citing WebSockets as a percentage of all IT jobs advertised.

Job vacancy trend for WebSockets in the UK

WebSockets
Contractor Daily Rate Trend

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

Contractor daily rate trend for WebSockets in the UK

WebSockets
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing WebSockets over the 6 months to 20 November 2017.

Contractor daily rate histogram for WebSockets in the UK

WebSockets
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing WebSockets.

Contractor hourly rate trend for WebSockets in the UK

WebSockets
Top 9 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing WebSockets within the UK over the 6 months to 20 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +13 140 £530 +29.27% 40
London -9 123 £550 +15.79% 29
UK excluding London +33 35 £395 +43.64% 12
Northern Ireland - 16 £395 -
East of England -21 9 £350 +27.27% 1
South East +10 7 - - 3
Scotland -12 2 - -
Midlands +19 1 - - 6
East Midlands - 1 - -

For the 6 months to 20 November 2017, IT contractor jobs citing WebSockets also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for WebSockets.

1 109 (68.55%) JavaScript
2 105 (66.04%) Agile Software Development
3 89 (55.97%) HTML
4 76 (47.80%) React
5 75 (47.17%) HTML5
6 74 (46.54%) AngularJS
7 67 (42.14%) REST
8 65 (40.88%) CSS
9 62 (38.99%) JSON
10 56 (35.22%) Finance
11 53 (33.33%) Java
11 53 (33.33%) Git (software)
12 48 (30.19%) MongoDB
13 47 (29.56%) Banking
14 46 (28.93%) Node.js
15 45 (28.30%) Redux
16 43 (27.04%) CSS3
17 41 (25.79%) .NET
18 39 (24.53%) C#
19 38 (23.90%) SignalR
20 36 (22.64%) OO
21 35 (22.01%) NoSQL
22 34 (21.38%) Web Development
23 33 (20.75%) Microsoft
24 32 (20.13%) Scrum
24 32 (20.13%) Subversion
24 32 (20.13%) BDD
24 32 (20.13%) ES6
24 32 (20.13%) Greenfield Project
25 30 (18.87%) ASP.NET

WebSockets
Co-occurring IT Skills 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 25 (15.72%) NServiceBus
2 6 (3.77%) CMS
2 6 (3.77%) Elasticsearch
3 4 (2.52%) Tomcat
4 3 (1.89%) Apache
4 3 (1.89%) JBoss
4 3 (1.89%) nginx
4 3 (1.89%) WebLogic
4 3 (1.89%) WebSphere
5 1 (0.63%) Cloud Foundry
5 1 (0.63%) Gunicorn
5 1 (0.63%) Oracle Coherence
Applications
1 1 (0.63%) Microsoft Excel
1 1 (0.63%) Microsoft Office
1 1 (0.63%) Microsoft Project
1 1 (0.63%) MS Visio
Cloud Services
1 19 (11.95%) npm
2 8 (5.03%) SaaS
3 6 (3.77%) Amazon AWS
3 6 (3.77%) GitHub
4 5 (3.14%) Slack
4 5 (3.14%) Trello
5 4 (2.52%) Cloud Computing
5 4 (2.52%) Microsoft Azure
6 3 (1.89%) PaaS
7 2 (1.26%) Azure Active Directory
7 2 (1.26%) Office 365
7 2 (1.26%) Serverless
Communications & Networking
1 11 (6.92%) Internet
2 9 (5.66%) MQTT
3 6 (3.77%) HTTP
4 4 (2.52%) Skype
5 2 (1.26%) Bluetooth
5 2 (1.26%) DNS
5 2 (1.26%) Multicast
5 2 (1.26%) SNMP
6 1 (0.63%) RTP
6 1 (0.63%) VoIP
Database & Business Intelligence
1 48 (30.19%) MongoDB
2 35 (22.01%) NoSQL
3 12 (7.55%) SQL Server
4 11 (6.92%) MySQL
5 9 (5.66%) PostgreSQL
6 8 (5.03%) Big Data
7 3 (1.89%) Aerospike
7 3 (1.89%) MS Access
7 3 (1.89%) Relational Database
8 2 (1.26%) Azure SQL Database
9 1 (0.63%) Blockchain
9 1 (0.63%) VoltDB
Development Applications
1 53 (33.33%) Git (software)
2 32 (20.13%) Subversion
3 28 (17.61%) SpecFlow
4 25 (15.72%) JIRA
5 24 (15.09%) webpack
6 19 (11.95%) Jasmine
7 17 (10.69%) Babel
8 15 (9.43%) Jenkins
9 12 (7.55%) Grunt
10 10 (6.29%) Mocha
11 9 (5.66%) gulp
12 6 (3.77%) Cucumber
12 6 (3.77%) TeamCity
13 5 (3.14%) CircleCI
13 5 (3.14%) Gradle
14 4 (2.52%) Bitbucket
14 4 (2.52%) Bower
14 4 (2.52%) Maven
14 4 (2.52%) Selenium
14 4 (2.52%) Travis CI
General
1 56 (35.22%) Finance
2 47 (29.56%) Banking
3 20 (12.58%) Front Office
4 19 (11.95%) Investment Banking
5 5 (3.14%) Wholesale Banking
6 2 (1.26%) Back Office
7 1 (0.63%) Electronics
7 1 (0.63%) Financial Institution
7 1 (0.63%) Manufacturing
7 1 (0.63%) Marketing
7 1 (0.63%) Telecoms
Job Titles
1 153 (96.23%) Developer
2 44 (27.67%) Java Developer
3 38 (23.90%) Full Stack Developer
4 35 (22.01%) Senior Developer
5 30 (18.87%) JavaScript Developer
6 27 (16.98%) C# Developer
7 18 (11.32%) Lead Developer
8 13 (8.18%) Lead C# Developer
9 12 (7.55%) Senior Java Developer
10 11 (6.92%) Front End Developer (Client-Side Developer)
10 11 (6.92%) HTML Developer
11 10 (6.29%) Senior JavaScript Developer
12 9 (5.66%) Web Developer
13 8 (5.03%) Python Developer
14 7 (4.40%) Angular Developer
14 7 (4.40%) Node.js Developer
15 6 (3.77%) Applications Developer
15 6 (3.77%) Senior Front-End Developer
15 6 (3.77%) Senior Full Stack Developer
15 6 (3.77%) Software Developer
Libraries, Frameworks & Software Standards
1 89 (55.97%) HTML
2 76 (47.80%) React
3 75 (47.17%) HTML5
4 74 (46.54%) AngularJS
5 67 (42.14%) REST
6 65 (40.88%) CSS
7 62 (38.99%) JSON
8 46 (28.93%) Node.js
9 45 (28.30%) Redux
10 43 (27.04%) CSS3
11 41 (25.79%) .NET
12 38 (23.90%) SignalR
13 30 (18.87%) ASP.NET
14 29 (18.24%) RabbitMQ
15 25 (15.72%) Akka
15 25 (15.72%) Angular 2
15 25 (15.72%) Kafka
15 25 (15.72%) Reactive Extensions
16 24 (15.09%) RESTful
17 22 (13.84%) ASP.NET Web API
Miscellaneous
1 32 (20.13%) Greenfield Project
2 25 (15.72%) Hedge funds
2 25 (15.72%) User Experience
3 20 (12.58%) Data Structures
4 11 (6.92%) Fintech
5 10 (6.29%) Foreign Exchange (FX)
6 9 (5.66%) Derivative
6 9 (5.66%) Equity Derivative
7 8 (5.03%) Analytical Skills
8 6 (3.77%) Mobile App
9 5 (3.14%) Equities
10 4 (2.52%) Credit Risk
10 4 (2.52%) Linux Command Line
10 4 (2.52%) Market Risk
11 3 (1.89%) Fixed Income
12 2 (1.26%) Computer Science
12 2 (1.26%) iPhone
12 2 (1.26%) N-Tier
12 2 (1.26%) PKI
12 2 (1.26%) W3C
Operating Systems
1 20 (12.58%) Linux
2 12 (7.55%) Unix
3 10 (6.29%) Apple iOS
4 4 (2.52%) Android
4 4 (2.52%) CoreOS
Processes & Methodologies
1 105 (66.04%) Agile Software Development
2 36 (22.64%) OO
3 34 (21.38%) Web Development
4 32 (20.13%) BDD
4 32 (20.13%) Scrum
5 26 (16.35%) Front End Development
6 25 (15.72%) Complex Event Processing
6 25 (15.72%) CQRS
6 25 (15.72%) Microservices
6 25 (15.72%) Test Automation
7 22 (13.84%) TDD
8 17 (10.69%) Functional Programming
9 14 (8.81%) Web Application Development
10 13 (8.18%) MVC
10 13 (8.18%) Unit Testing
11 12 (7.55%) Dependency Management
11 12 (7.55%) Performance Optimisation
12 11 (6.92%) Continuous Integration
13 10 (6.29%) CRUD
13 10 (6.29%) DevOps
Programming Languages
1 109 (68.55%) JavaScript
2 53 (33.33%) Java
3 39 (24.53%) C#
4 32 (20.13%) ES6
5 23 (14.47%) ECMAScript
6 18 (11.32%) TypeScript
7 15 (9.43%) Python
8 9 (5.66%) C++
8 9 (5.66%) SQL
9 6 (3.77%) Scala
10 5 (3.14%) Bash Shell
11 4 (2.52%) C
11 4 (2.52%) GraphQL
11 4 (2.52%) Shell Script
12 3 (1.89%) CoffeeScript
12 3 (1.89%) VB
12 3 (1.89%) VC++
13 1 (0.63%) Ruby
Qualifications
1 4 (2.52%) Degree
2 2 (1.26%) BPSS Clearance
Quality Assurance & Compliance
1 7 (4.40%) QA
System Software
1 17 (10.69%) Docker
2 2 (1.26%) Active Directory
Systems Management
1 5 (3.14%) Ansible
2 4 (2.52%) Kubernetes
3 3 (1.89%) Opscode Chef
4 1 (0.63%) Terraform
Vendors
1 33 (20.75%) Microsoft
2 13 (8.18%) TIBCO
3 12 (7.55%) Oracle
4 10 (6.29%) Atlassian
5 1 (0.63%) SAP