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 27 June 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
27 Jun 2017
Same period 2016 Same period 2015
Rank 413 421 415
Rank change year-on-year +8 -6  
Contract jobs citing Complex Event Processing 11 6 19
As % of all contract IT jobs advertised in London 0.053% 0.028% 0.082%
As % of the Processes & Methodologies category 0.061% 0.032% 0.10%
Number of daily rates quoted 10 2 10
Median daily rate £600 £525 £535
Median daily rate % change year-on-year +14.28% -1.86%  
90% offered a daily rate of more than £530 £525 £476
10% offered a daily rate of more than £650 £525 £660
UK excluding London median daily rate £538 - £263
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 18040 18590 18928
As % of all contract IT job vacancies advertised in London 86.66% 85.36% 82.17%
Number of daily rates quoted 12911 13593 13436
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £638 £625
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 189 157 253
Median hourly rate £25.00 £21.00 £22.00
Median hourly rate % change year-on-year +19.04% -4.54%  
90% offered a hourly rate of more than £14.75 £12.50 £11.00
10% offered a hourly rate of more than £51.00 £46.00 £55.50
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

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 27 June 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 27 June 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 0 3 £530 +0.95%
Complex Event Processing
England

For the 6 months to 27 June 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 16 (88.89%) Finance
1 16 (88.89%) NoSQL
2 15 (83.33%) BDD
2 15 (83.33%) C#
2 15 (83.33%) JavaScript
2 15 (83.33%) .NET
2 15 (83.33%) ASP.NET
2 15 (83.33%) Kafka
2 15 (83.33%) AngularJS
2 15 (83.33%) ASP.NET Web API
2 15 (83.33%) Greenfield Project
3 14 (77.78%) SignalR
3 14 (77.78%) Hedge funds
3 14 (77.78%) Subversion
3 14 (77.78%) Git (software)
3 14 (77.78%) MongoDB
3 14 (77.78%) Reactive Extensions
3 14 (77.78%) SpecFlow
3 14 (77.78%) CQRS
4 13 (72.22%) NServiceBus
4 13 (72.22%) WebSockets
4 13 (72.22%) RabbitMQ
4 13 (72.22%) Agile Software Development
4 13 (72.22%) Akka
4 13 (72.22%) Angular 2
4 13 (72.22%) Redux
5 10 (55.56%) React
6 9 (50.00%) Microsoft
7 5 (27.78%) SQL
8 3 (16.67%) Hadoop

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 13 (72.22%) NServiceBus
2 3 (16.67%) Apache Spark
3 1 (5.56%) Apache Pig
Applications
1 2 (11.11%) GNU Octave
Cloud Services
1 2 (11.11%) Microsoft Azure
2 1 (5.56%) Amazon AWS
2 1 (5.56%) Amazon EMR
Database & Business Intelligence
1 16 (88.89%) NoSQL
2 14 (77.78%) MongoDB
3 3 (16.67%) Apache Cassandra
3 3 (16.67%) Big Data
3 3 (16.67%) Hadoop
3 3 (16.67%) Relational Database
4 2 (11.11%) Azure SQL Database
4 2 (11.11%) Blockchain
4 2 (11.11%) Flink
4 2 (11.11%) RDBMS
5 1 (5.56%) Amazon DynamoDB
5 1 (5.56%) Apache Hive
5 1 (5.56%) Data Warehouse
5 1 (5.56%) HBase
5 1 (5.56%) Parquet
Development Applications
1 14 (77.78%) Git (software)
1 14 (77.78%) SpecFlow
1 14 (77.78%) Subversion
General
1 16 (88.89%) Finance
Job Titles
1 16 (88.89%) Developer
2 14 (77.78%) Full Stack Developer
3 10 (55.56%) C# Developer
4 5 (27.78%) Lead Developer
4 5 (27.78%) Technical Developer
4 5 (27.78%) Technical Leader
5 2 (11.11%) Architect
5 2 (11.11%) Chief Architect
5 2 (11.11%) Chief Data Architect
5 2 (11.11%) Data Architect
6 1 (5.56%) .NET Developer
6 1 (5.56%) ASP.NET Developer
6 1 (5.56%) Big Data Architect
6 1 (5.56%) C# .NET Developer
6 1 (5.56%) C# ASP.NET Developer
6 1 (5.56%) Cloud Architect
6 1 (5.56%) Data Scientist
6 1 (5.56%) Hadoop Developer
6 1 (5.56%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 15 (83.33%) .NET
1 15 (83.33%) AngularJS
1 15 (83.33%) ASP.NET
1 15 (83.33%) ASP.NET Web API
1 15 (83.33%) Kafka
2 14 (77.78%) Reactive Extensions
2 14 (77.78%) SignalR
3 13 (72.22%) Akka
3 13 (72.22%) Angular 2
3 13 (72.22%) RabbitMQ
3 13 (72.22%) Redux
3 13 (72.22%) WebSockets
4 10 (55.56%) React
5 2 (11.11%) ASP.NET MVC
6 1 (5.56%) Apache Avro
6 1 (5.56%) JSON
6 1 (5.56%) KnockoutJS
6 1 (5.56%) NumPy
6 1 (5.56%) SciPy
Miscellaneous
1 15 (83.33%) Greenfield Project
2 14 (77.78%) Hedge funds
3 1 (5.56%) Algorithms
3 1 (5.56%) Computer Science
Processes & Methodologies
1 15 (83.33%) BDD
2 14 (77.78%) CQRS
3 13 (72.22%) Agile Software Development
4 3 (16.67%) MapReduce
5 2 (11.11%) Machine Learning
5 2 (11.11%) MVC
6 1 (5.56%) Analytics
6 1 (5.56%) Dimensional Modelling
6 1 (5.56%) Domain-Driven Design
6 1 (5.56%) ETL
6 1 (5.56%) Logistic Regression
6 1 (5.56%) MVVM
6 1 (5.56%) Neural Network
6 1 (5.56%) OO
6 1 (5.56%) Open Source
6 1 (5.56%) Project Management
6 1 (5.56%) SDLC
6 1 (5.56%) Statistical Analysis
6 1 (5.56%) TDD
6 1 (5.56%) Web Analytics
Programming Languages
1 15 (83.33%) C#
1 15 (83.33%) JavaScript
2 5 (27.78%) SQL
3 3 (16.67%) Python
3 3 (16.67%) R
4 2 (11.11%) MATLAB
5 1 (5.56%) Java
5 1 (5.56%) Scala
5 1 (5.56%) Shell Script
Qualifications
1 1 (5.56%) Degree
1 1 (5.56%) Master's Degree
Vendors
1 9 (50.00%) Microsoft
2 1 (5.56%) Oracle