The table below looks at the statistics for Big Data skills in IT contracts advertised for the Middlesex region. Included is a guide to the contractor rates offered in IT contracts that have cited Big Data over the 3 months to 26 August 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
26 Aug 2016
Same period 2015 Same period 2014
Big Data
Rank 27 - 27
Rank change year-on-year
- 0
Contract jobs citing Big Data 5 0 3
As % of all contract IT jobs located in Middlesex 2.22% - 1.22%
As % of the Database & Business Intelligence category 14.29% - 5.88%
Number of daily rates quoted 3 0 0
Median daily rate £400 - -
UK excluding London median daily rate £450 £466 £450
% change year-on-year
-3.48% +3.61%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.92 £33.33 -
% change year-on-year
+31.77% -
Big Data
South East

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the Middlesex region.

Database & Business Intelligence Category
Middlesex
Contract IT job ads with a match in the
Database & Business Intelligence category
35 32 51
As % of all contract IT jobs located in Middlesex 15.56% 14.95% 20.82%
Number of daily rates quoted 24 17 23
Median daily rate £360 £395 £300
Median daily rate % change year-on-year
-8.86% +31.55%
90% offered a daily rate of more than £300 £275 £256
10% offered a daily rate of more than £450 £441 £500
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 0 2 1
Median hourly rate - £28.13 £50.50
Median hourly rate % change year-on-year
- -44.30%
UK excluding London median hourly rate £28.18 £33.00 £25.00
% change year-on-year
-14.60% +32.00%

Big Data
Jobs Demand Trend in Middlesex

The demand trend of contract jobs across the Middlesex region citing Big Data as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Big Data Jobs Demand Trend in Middlesex

Big Data
Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Big Data across the Middlesex region.

Big Data Daily Rate Trend in Middlesex

Big Data
Top 30 Related IT Skills in Middlesex

For the 6 months to 26 August 2016, IT contractor jobs citing Big Data 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 Middlesex region with a requirement for Big Data.

1 3 (50.00%) SQL
1 3 (50.00%) Apache Hive
1 3 (50.00%) Hadoop
2 2 (33.33%) Apache Pig
2 2 (33.33%) Analytical Skills
2 2 (33.33%) Apache Spark
2 2 (33.33%) Algorithms
2 2 (33.33%) System Integration Testing
2 2 (33.33%) R
2 2 (33.33%) MapReduce
2 2 (33.33%) HBase
2 2 (33.33%) Machine Learning
2 2 (33.33%) Ab Initio
2 2 (33.33%) Computer Science
2 2 (33.33%) Unit Testing
2 2 (33.33%) Java
2 2 (33.33%) Unix
2 2 (33.33%) Data Warehouse
2 2 (33.33%) Data Mining
2 2 (33.33%) Telecoms
2 2 (33.33%) Statistics
2 2 (33.33%) Degree
3 1 (16.67%) Mathematics
3 1 (16.67%) Physics
3 1 (16.67%) Validation
3 1 (16.67%) Scrum
3 1 (16.67%) Data Security
3 1 (16.67%) Agile Software Development
3 1 (16.67%) TOGAF
3 1 (16.67%) Data Analysis

Big Data
Top Related IT Skills in Middlesex 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 (33.33%) Apache Pig
1 2 (33.33%) Apache Spark
Cloud Services
1 1 (16.67%) Amazon AWS
1 1 (16.67%) Microsoft Azure
Database & Business Intelligence
1 3 (50.00%) Apache Hive
1 3 (50.00%) Hadoop
2 2 (33.33%) Data Mining
2 2 (33.33%) Data Warehouse
2 2 (33.33%) HBase
3 1 (16.67%) Mahout
3 1 (16.67%) RDBMS
3 1 (16.67%) Relational Database
General
1 2 (33.33%) Telecoms
Job Titles
1 2 (33.33%) Ab Initio Developer
1 2 (33.33%) Data Scientist
1 2 (33.33%) Developer
2 1 (16.67%) Architect
2 1 (16.67%) Big Data Architect
2 1 (16.67%) Data Architect
2 1 (16.67%) Junior
2 1 (16.67%) Junior Data Scientist
2 1 (16.67%) Security Architect
2 1 (16.67%) Technical Leader
Libraries, Frameworks & Software Standards
1 1 (16.67%) Cascading
1 1 (16.67%) Kafka
1 1 (16.67%) RESTful
1 1 (16.67%) Web Services
Miscellaneous
1 2 (33.33%) Algorithms
1 2 (33.33%) Analytical Skills
1 2 (33.33%) Computer Science
1 2 (33.33%) Statistics
2 1 (16.67%) Mathematics
2 1 (16.67%) Neural Network
2 1 (16.67%) Physics
2 1 (16.67%) Social Network
Operating Systems
1 2 (33.33%) Unix
Processes & Methodologies
1 2 (33.33%) Machine Learning
1 2 (33.33%) MapReduce
1 2 (33.33%) System Integration Testing
1 2 (33.33%) Unit Testing
2 1 (16.67%) Agile Software Development
2 1 (16.67%) Analytics
2 1 (16.67%) Data Analysis
2 1 (16.67%) Data Modelling
2 1 (16.67%) Data Security
2 1 (16.67%) Information Security
2 1 (16.67%) Kanban
2 1 (16.67%) Matrix Organization
2 1 (16.67%) Scrum
2 1 (16.67%) Security Architecture
2 1 (16.67%) Software Engineering
2 1 (16.67%) Statistical Modelling
2 1 (16.67%) TOGAF
2 1 (16.67%) Validation
Programming Languages
1 3 (50.00%) SQL
2 2 (33.33%) Java
2 2 (33.33%) R
3 1 (16.67%) C++
3 1 (16.67%) MATLAB
3 1 (16.67%) Python
3 1 (16.67%) Scala
3 1 (16.67%) Shell Script
Qualifications
1 2 (33.33%) Degree
2 1 (16.67%) CISSP
2 1 (16.67%) PhD
System Software
1 1 (16.67%) Apache Flume
Systems Management
1 1 (16.67%) Oozie
Vendors
1 2 (33.33%) Ab Initio
2 1 (16.67%) Microsoft