The following table provides summary statistics for contract job vacancies advertised in Canary Wharf with a requirement for Big Data skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Big Data over the 3 months to 25 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Big Data
London / Canary Wharf
Rank 22 16 21
Rank change year-on-year -6 +5  
Contract jobs citing Big Data 5 7 2
As % of all contract IT jobs advertised in Canary Wharf 3.76% 5.79% 1.77%
As % of the Database & Business Intelligence category 14.29% 21.88% 8.70%
Number of daily rates quoted 2 5 2
Median daily rate £544 £650 £588
Median daily rate % change year-on-year -16.34% +10.63%  
90% offered a daily rate of more than £535 £514 £518
10% offered a daily rate of more than £553 £650 £658
UK excluding London median daily rate £484 £470 £500
% change year-on-year +3.03% -6.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £33.06 £34.50
% change year-on-year +42.18% -4.18%  

Big Data is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Canary Wharf with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Canary Wharf
Contract job vacancies with a requirement for database and business intelligence skills 35 32 23
As % of all contract IT job vacancies advertised in Canary Wharf 26.32% 26.45% 20.35%
Number of daily rates quoted 29 29 15
Median daily rate £573 £480 £500
Median daily rate % change year-on-year +19.27% -4.00%  
90% offered a daily rate of more than £425 £353 £463
10% offered a daily rate of more than £625 £650 £655
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

Big Data
Job Vacancy Trend in Canary Wharf

The job posting trend of jobs advertised in Canary Wharf citing Big Data as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Big Data in Canary Wharf

Big Data
Contractor Daily Rate Trend in Canary Wharf

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Big Data in Canary Wharf.

Contractor daily rate trend for Big Data in Canary Wharf

Big Data
Top 30 Related IT Skills in Canary Wharf

For the 6 months to 25 March 2017, 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 Canary Wharf region with a requirement for Big Data.

1 10 (71.43%) Java
1 10 (71.43%) Finance
2 8 (57.14%) Apache Spark
3 7 (50.00%) MongoDB
3 7 (50.00%) Apache Cassandra
3 7 (50.00%) NoSQL
3 7 (50.00%) Python
3 7 (50.00%) Open Source
4 6 (42.86%) Banking
5 5 (35.71%) Hadoop
5 5 (35.71%) Data Analysis
5 5 (35.71%) MapReduce
5 5 (35.71%) R
5 5 (35.71%) Impala
6 4 (28.57%) Apache Pig
6 4 (28.57%) Hadoop YARN
6 4 (28.57%) Analytical Skills
6 4 (28.57%) Statistical Modelling
6 4 (28.57%) Kafka
6 4 (28.57%) MarkLogic
6 4 (28.57%) Riak
6 4 (28.57%) Spring
6 4 (28.57%) Agile Software Development
6 4 (28.57%) Apache Solr
6 4 (28.57%) Apache Hive
6 4 (28.57%) Bash Shell
6 4 (28.57%) Lucene
6 4 (28.57%) HTML
6 4 (28.57%) Data Warehouse
6 4 (28.57%) Unix

Big Data
Top Related IT Skills in Canary Wharf 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 8 (57.14%) Apache Spark
2 4 (28.57%) Apache Pig
2 4 (28.57%) Apache Solr
3 3 (21.43%) JBoss
4 1 (7.14%) Apache
4 1 (7.14%) Oracle Coherence
Cloud Services
1 3 (21.43%) PaaS
2 1 (7.14%) Adobe Creative Cloud
2 1 (7.14%) IaaS
2 1 (7.14%) SaaS
Database & Business Intelligence
1 7 (50.00%) Apache Cassandra
1 7 (50.00%) MongoDB
1 7 (50.00%) NoSQL
2 5 (35.71%) Hadoop
2 5 (35.71%) Impala
3 4 (28.57%) Apache Hive
3 4 (28.57%) Data Warehouse
3 4 (28.57%) MarkLogic
3 4 (28.57%) Riak
4 3 (21.43%) Data Mining
5 1 (7.14%) Hazelcast
Development Applications
1 1 (7.14%) Axure RP
General
1 10 (71.43%) Finance
2 6 (42.86%) Banking
3 2 (14.29%) Investment Banking
Job Titles
1 5 (35.71%) Developer
2 4 (28.57%) Architect
3 3 (21.43%) Java Architect
3 3 (21.43%) Java Developer
3 3 (21.43%) Platform Architect
3 3 (21.43%) Senior Developer
3 3 (21.43%) Senior Java Developer
4 2 (14.29%) Big Data Developer
4 2 (14.29%) Big Data Engineer
4 2 (14.29%) Senior Big Data Developer
5 1 (7.14%) Apache Spark Developer
5 1 (7.14%) Data Engineer
5 1 (7.14%) Designer
5 1 (7.14%) Enterprise Architect
5 1 (7.14%) GUI Developer
5 1 (7.14%) Java Software Engineer
5 1 (7.14%) Python Developer
5 1 (7.14%) Senior Java Software Engineer
5 1 (7.14%) Senior Software Engineer
5 1 (7.14%) Software Engineer
Libraries, Frameworks & Software Standards
1 4 (28.57%) HTML
1 4 (28.57%) Kafka
1 4 (28.57%) Lucene
1 4 (28.57%) Spring
2 3 (21.43%) AngularJS
2 3 (21.43%) CSS
2 3 (21.43%) Hibernate
2 3 (21.43%) JMS
2 3 (21.43%) JSON
2 3 (21.43%) REST
2 3 (21.43%) SOAP
2 3 (21.43%) XML
3 1 (7.14%) HTML5
3 1 (7.14%) J2EE
3 1 (7.14%) Twitter Bootstrap
Miscellaneous
1 4 (28.57%) Analytical Skills
2 3 (21.43%) Computer Science
3 1 (7.14%) Algorithms
3 1 (7.14%) Fat Client
3 1 (7.14%) Market Risk
3 1 (7.14%) Social Media
3 1 (7.14%) Thin Client
3 1 (7.14%) User Experience
Operating Systems
1 4 (28.57%) Unix
2 3 (21.43%) Android
2 3 (21.43%) Apple iOS
2 3 (21.43%) Linux
Processes & Methodologies
1 7 (50.00%) Open Source
2 5 (35.71%) Data Analysis
2 5 (35.71%) MapReduce
3 4 (28.57%) Agile Software Development
3 4 (28.57%) Statistical Modelling
4 3 (21.43%) Android Development
4 3 (21.43%) API Development
4 3 (21.43%) DevOps
4 3 (21.43%) Enterprise Architecture
4 3 (21.43%) iOS Development
4 3 (21.43%) Stakeholder Management
4 3 (21.43%) Test Automation
5 2 (14.29%) Refactoring
5 2 (14.29%) Software Engineering
6 1 (7.14%) ETL
6 1 (7.14%) GAP Analysis
6 1 (7.14%) Reverse Engineering
6 1 (7.14%) Scrum
6 1 (7.14%) Web Analytics
6 1 (7.14%) Web Development
Programming Languages
1 10 (71.43%) Java
2 7 (50.00%) Python
3 5 (35.71%) R
4 4 (28.57%) Bash Shell
4 4 (28.57%) JavaScript
4 4 (28.57%) Perl
5 3 (21.43%) Scala
5 3 (21.43%) SQL
Qualifications
1 3 (21.43%) Degree
Systems Management
1 4 (28.57%) Hadoop YARN
Vendors
1 4 (28.57%) Oracle
2 3 (21.43%) Cloudera
3 1 (7.14%) Adobe
3 1 (7.14%) Vertica