The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Complex Event Processing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Complex Event Processing over the 3 months to 28 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.

Complex Event Processing (CEP)
England / London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 395 421 402
Rank change year-on-year +26 -19  
Contract jobs citing Complex Event Processing 7 5 10
As % of all contract IT jobs advertised in London 0.036% 0.022% 0.046%
As % of the Processes & Methodologies category 0.042% 0.026% 0.057%
Number of daily rates quoted 7 3 5
Median daily rate £530 £450 £518
Median daily rate % change year-on-year +17.77% -13.04%  
90% offered a daily rate of more than £440 £430 £465
10% offered a daily rate of more than £850 £570 £650
UK excluding London median daily rate £488 - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £45.00 - -

Complex Event Processing is in the process and methodology 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 process and methodology skills.

Contract Process & Methodology Skills
London
Contract job vacancies with a requirement for process and methodology skills 16603 18995 17642
As % of all contract IT job vacancies advertised in London 85.16% 85.16% 81.98%
Number of daily rates quoted 11947 13727 12398
Median daily rate £485 £475 £450
Median daily rate % change year-on-year +2.10% +5.55%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £650 £625 £613
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 166 194 250
Median hourly rate £31.92 £22.12 £20.00
Median hourly rate % change year-on-year +44.33% +10.57%  
90% offered a hourly rate of more than £14.19 £12.15 £11.00
10% offered a hourly rate of more than £55.00 £52.50 £55.00
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

Complex Event Processing
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Complex Event Processing as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Complex Event Processing in London

Complex Event Processing
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Complex Event Processing in London

Complex Event Processing
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Complex Event Processing in London over the 3 months to 28 March 2017.

Contractor daily rate histogram for Complex Event Processing in London

Complex Event Processing
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Complex Event Processing within the London region over the 3 months to 28 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -6 3 £530 -
Complex Event Processing
England

Complex Event Processing
Top 30 Co-occurring IT Skills in London

For the 6 months to 28 March 2017, IT contractor jobs citing Complex Event Processing 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 Complex Event Processing.

1 12 (80.00%) C#
1 12 (80.00%) JavaScript
1 12 (80.00%) .NET
1 12 (80.00%) ASP.NET
1 12 (80.00%) AngularJS
1 12 (80.00%) ASP.NET Web API
2 11 (73.33%) SQL
2 11 (73.33%) BDD
3 10 (66.67%) Microsoft Azure
3 10 (66.67%) React
3 10 (66.67%) CQRS
4 9 (60.00%) Azure SQL Database
4 9 (60.00%) MVC
4 9 (60.00%) ASP.NET MVC
5 8 (53.33%) Finance
5 8 (53.33%) Microsoft
6 7 (46.67%) OO
6 7 (46.67%) MVVM
6 7 (46.67%) Domain-Driven Design
6 7 (46.67%) TDD
7 6 (40.00%) NoSQL
8 5 (33.33%) SignalR
8 5 (33.33%) Reactive Extensions
8 5 (33.33%) Kafka
8 5 (33.33%) MongoDB
9 4 (26.67%) Hedge funds
9 4 (26.67%) Git (software)
9 4 (26.67%) Blog
9 4 (26.67%) Subversion
9 4 (26.67%) GitHub

Complex Event Processing
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 3 (20.00%) NServiceBus
2 2 (13.33%) Apache Spark
3 1 (6.67%) Apache
3 1 (6.67%) JBoss
3 1 (6.67%) WebLogic
Applications
1 2 (13.33%) GNU Octave
Cloud Services
1 10 (66.67%) Microsoft Azure
2 4 (26.67%) GitHub
3 1 (6.67%) Amazon AWS
Database & Business Intelligence
1 9 (60.00%) Azure SQL Database
2 6 (40.00%) NoSQL
3 5 (33.33%) MongoDB
4 3 (20.00%) Hadoop
5 2 (13.33%) Apache Cassandra
5 2 (13.33%) Big Data
5 2 (13.33%) Blockchain
5 2 (13.33%) Flink
5 2 (13.33%) RDBMS
5 2 (13.33%) Relational Database
6 1 (6.67%) SQL Server
Development Applications
1 4 (26.67%) Git (software)
1 4 (26.67%) SpecFlow
1 4 (26.67%) Subversion
2 1 (6.67%) Eclipse
2 1 (6.67%) IntelliJ
2 1 (6.67%) Maven
General
1 8 (53.33%) Finance
2 1 (6.67%) Banking
Job Titles
1 13 (86.67%) Developer
2 10 (66.67%) C# Developer
3 7 (46.67%) .NET Developer
3 7 (46.67%) ASP.NET Developer
3 7 (46.67%) C# .NET Developer
3 7 (46.67%) C# ASP.NET Developer
3 7 (46.67%) JavaScript Developer
4 6 (40.00%) Azure Developer
5 5 (33.33%) Full Stack Developer
6 2 (13.33%) Architect
6 2 (13.33%) Chief Architect
6 2 (13.33%) Chief Data Architect
6 2 (13.33%) Data Architect
6 2 (13.33%) Lead Developer
6 2 (13.33%) Technical Developer
6 2 (13.33%) Technical Leader
7 1 (6.67%) Data Scientist
7 1 (6.67%) Java Developer
7 1 (6.67%) Senior Developer
7 1 (6.67%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 12 (80.00%) .NET
1 12 (80.00%) AngularJS
1 12 (80.00%) ASP.NET
1 12 (80.00%) ASP.NET Web API
2 10 (66.67%) React
3 9 (60.00%) ASP.NET MVC
4 5 (33.33%) Kafka
4 5 (33.33%) Reactive Extensions
4 5 (33.33%) SignalR
5 4 (26.67%) WebSockets
6 3 (20.00%) Akka
6 3 (20.00%) Angular 2
6 3 (20.00%) RabbitMQ
6 3 (20.00%) Redux
7 2 (13.33%) KnockoutJS
8 1 (6.67%) Esper
8 1 (6.67%) NumPy
8 1 (6.67%) RESTful
8 1 (6.67%) SciPy
8 1 (6.67%) Spring Boot
Miscellaneous
1 4 (26.67%) Blog
1 4 (26.67%) Hedge funds
Processes & Methodologies
1 11 (73.33%) BDD
2 10 (66.67%) CQRS
3 9 (60.00%) MVC
4 7 (46.67%) Domain-Driven Design
4 7 (46.67%) MVVM
4 7 (46.67%) OO
4 7 (46.67%) TDD
5 3 (20.00%) Agile Software Development
6 2 (13.33%) MapReduce
7 1 (6.67%) Analytics
7 1 (6.67%) Event-Driven Architecture
7 1 (6.67%) Inversion of Control
7 1 (6.67%) Logistic Regression
7 1 (6.67%) Machine Learning
7 1 (6.67%) Neural Network
7 1 (6.67%) Project Management
7 1 (6.67%) SDLC
7 1 (6.67%) Statistics
Programming Languages
1 12 (80.00%) C#
1 12 (80.00%) JavaScript
2 11 (73.33%) SQL
3 3 (20.00%) MATLAB
3 3 (20.00%) R
4 2 (13.33%) Python
5 1 (6.67%) Java
Vendors
1 8 (53.33%) Microsoft
2 1 (6.67%) IBM
2 1 (6.67%) Oracle