The table below looks at the statistics for Big Data skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Big Data over the 3 months to 20 February 2017 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
20 Feb 2017
Same period 2016 Same period 2015
Big Data
London / City of London
Rank 43 79 93
Rank change year-on-year
+36 +14
Contract jobs citing Big Data 129 74 109
As % of all contract IT jobs located in the City of London 4.35% 2.36% 2.10%
As % of the Database & Business Intelligence category 15.69% 8.58% 8.85%
Number of daily rates quoted 102 66 93
Median daily rate £550 £525 £575
Median daily rate % change year-on-year
+4.76% -8.69%
90% offered a daily rate of more than £426 £375 £407
10% offered a daily rate of more than £650 £625 £750
UK excluding London median daily rate £500 £475 £475
% change year-on-year
+5.26% -
Number of hourly rates quoted 0 0 1
Median hourly rate - - £24.23
UK excluding London median hourly rate £47.00 £46.50 £36.50
% change year-on-year
+1.07% +27.39%

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 City of London region.

Database & Business Intelligence Category
City of London
Contract IT job ads with a match in the
Database & Business Intelligence category
822 862 1232
As % of all contract IT jobs located in the City of London 27.74% 27.47% 23.76%
Number of daily rates quoted 659 692 968
Median daily rate £475 £475 £430
Median daily rate % change year-on-year
- +10.46%
90% offered a daily rate of more than £350 £340 £300
10% offered a daily rate of more than £625 £600 £600
UK excluding London median daily rate £400 £375 £368
% change year-on-year
+6.66% +2.04%
Number of hourly rates quoted 1 2 4
Median hourly rate £22.34 £55.00 £24.23
Median hourly rate % change year-on-year
-59.39% +126.99%
UK excluding London median hourly rate £37.75 £32.50 £32.50
% change year-on-year
+16.15% -

Big Data
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London 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 the City of London

Big Data
Daily Rate Trend in the City of London

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

Big Data Daily Rate Trend in the City of London

Big Data
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Big Data across the City of London region over the 3 months to 20 February 2017.

Big Data Daily Rate Histogram in the City of London

Big Data
Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Big Data across the City of London region.

Big Data Hourly Rate Trend in the City of London

Big Data
Top 30 Related IT Skills in the City of London

For the 6 months to 20 February 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 City of London region with a requirement for Big Data.

1 177 (59.60%) Hadoop
2 142 (47.81%) Agile Software Development
3 135 (45.45%) Java
4 128 (43.10%) Apache Spark
5 104 (35.02%) Python
6 91 (30.64%) Scala
7 82 (27.61%) SQL
8 72 (24.24%) Finance
9 70 (23.57%) Banking
10 65 (21.89%) Apache Hive
11 54 (18.18%) DevOps
11 54 (18.18%) Linux
12 52 (17.51%) Scrum
13 49 (16.50%) Analytics
14 44 (14.81%) Kafka
15 43 (14.48%) R
15 43 (14.48%) Apache Cassandra
16 42 (14.14%) Data Warehouse
17 41 (13.80%) ETL
18 39 (13.13%) HDFS
19 37 (12.46%) Amazon AWS
19 37 (12.46%) Continuous Integration
20 35 (11.78%) Git (software)
20 35 (11.78%) HBase
20 35 (11.78%) TDD
21 34 (11.45%) Front Office
22 32 (10.77%) Business Intelligence
22 32 (10.77%) Risk Management
22 32 (10.77%) Investment Banking
23 31 (10.44%) Open Source

Big Data
Top Related IT Skills in the City of 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
1 128 (43.10%) Apache Spark
2 26 (8.75%) Apache Pig
3 18 (6.06%) Elasticsearch
4 16 (5.39%) Apache
5 8 (2.69%) Confluence
6 6 (2.02%) Oracle Coherence
7 5 (1.68%) Jupyter
8 4 (1.35%) Apache Solr
9 3 (1.01%) SAS
9 3 (1.01%) SharePoint
10 2 (0.67%) OpenStack
11 1 (0.34%) Anypoint
11 1 (0.34%) Facebook Platform
11 1 (0.34%) WebLogic
11 1 (0.34%) WebSphere
Applications
1 3 (1.01%) MS Excel
2 1 (0.34%) MS Office
2 1 (0.34%) SPSS
Business Applications
1 2 (0.67%) SAP Oil and Gas
2 1 (0.34%) RMDS
Cloud Services
1 37 (12.46%) Amazon AWS
2 13 (4.38%) Cloud Computing
3 9 (3.03%) Amazon EMR
3 9 (3.03%) Microsoft Azure
4 5 (1.68%) Virtual Private Cloud
5 4 (1.35%) Amazon Kinesis
6 3 (1.01%) PaaS
7 2 (0.67%) Amazon EC2
7 2 (0.67%) GitHub
8 1 (0.34%) Amazon S3
8 1 (0.34%) Amazon SQS
8 1 (0.34%) AWS Data Pipeline
8 1 (0.34%) Azure Machine Learning
8 1 (0.34%) Data Lake Analytics
8 1 (0.34%) Google Cloud Platform
8 1 (0.34%) Heroku
8 1 (0.34%) SaaS
Communications & Networking
1 8 (2.69%) Kerberos
2 5 (1.68%) HTTP
3 4 (1.35%) FTP
4 3 (1.01%) Network Security
5 2 (0.67%) Internet
5 2 (0.67%) LAN
5 2 (0.67%) LDAP
5 2 (0.67%) WAN
6 1 (0.34%) AMQP
6 1 (0.34%) DNS
6 1 (0.34%) SSL
6 1 (0.34%) TCP/IP
Database & Business Intelligence
1 177 (59.60%) Hadoop
2 65 (21.89%) Apache Hive
3 43 (14.48%) Apache Cassandra
4 42 (14.14%) Data Warehouse
5 35 (11.78%) HBase
6 31 (10.44%) NoSQL
7 25 (8.42%) Relational Database
8 24 (8.08%) MongoDB
9 20 (6.73%) Data Lake
10 19 (6.40%) SQL Server
11 17 (5.72%) PostgreSQL
12 13 (4.38%) Sqoop
13 11 (3.70%) SQL Server Integration Services
14 10 (3.37%) Impala
15 7 (2.36%) SQL Server Reporting Services
16 6 (2.02%) Cloudera CDH
16 6 (2.02%) QlikView
16 6 (2.02%) RDBMS
17 5 (1.68%) Flink
17 5 (1.68%) SQL Server Analysis Services
Development Applications
1 35 (11.78%) Git (software)
2 28 (9.43%) JIRA
3 17 (5.72%) Jenkins
4 12 (4.04%) Maven
5 9 (3.03%) Gradle
5 9 (3.03%) JUnit
6 8 (2.69%) Selenium
6 8 (2.69%) Subversion
7 7 (2.36%) Atlassian Bamboo
8 6 (2.02%) Cucumber
8 6 (2.02%) DbUnit
8 6 (2.02%) ERwin
8 6 (2.02%) Robot Framework
9 5 (1.68%) IntelliJ
10 4 (1.35%) JSUnit
10 4 (1.35%) Mockito
10 4 (1.35%) PHPUnit
11 3 (1.01%) Bitbucket
11 3 (1.01%) Eclipse
11 3 (1.01%) Sonatype Nexus
General
1 72 (24.24%) Finance
2 70 (23.57%) Banking
3 34 (11.45%) Front Office
4 32 (10.77%) Investment Banking
5 18 (6.06%) Retail
6 10 (3.37%) Marketing
7 6 (2.02%) Telecoms
8 5 (1.68%) Retail Banking
9 3 (1.01%) Legal
10 2 (0.67%) Electronics
10 2 (0.67%) Games
10 2 (0.67%) Manufacturing
11 1 (0.34%) Billing
11 1 (0.34%) Financial Institution
Job Titles
1 110 (37.04%) Developer
2 66 (22.22%) Java Developer
3 47 (15.82%) Architect
3 47 (15.82%) Big Data Developer
4 36 (12.12%) Big Data Engineer
5 34 (11.45%) Data Engineer
6 32 (10.77%) Senior Developer
7 30 (10.10%) Senior Java Developer
8 28 (9.43%) Data Architect
9 26 (8.75%) Scala Developer
10 24 (8.08%) Big Data Architect
11 23 (7.74%) Java Scala Developer
12 20 (6.73%) Analyst
13 18 (6.06%) Data Scientist
14 16 (5.39%) DevOps Engineer
15 15 (5.05%) Administrator
15 15 (5.05%) Apache Spark Developer
15 15 (5.05%) Hadoop Engineer
15 15 (5.05%) Senior Big Data Developer
16 13 (4.38%) Market Risk Java Developer
Libraries, Frameworks & Software Standards
1 44 (14.81%) Kafka
2 23 (7.74%) Akka
2 23 (7.74%) Web Services
3 21 (7.07%) HTML
4 16 (5.39%) HTML5
5 13 (4.38%) AngularJS
6 12 (4.04%) Spring
7 11 (3.70%) REST
8 9 (3.03%) CSS
8 9 (3.03%) Node.js
9 8 (2.69%) .NET
9 8 (2.69%) JMS
9 8 (2.69%) JSON
10 7 (2.36%) XML
11 6 (2.02%) Dropwizard
11 6 (2.02%) Play Framework
11 6 (2.02%) RESTful
12 5 (1.68%) Hystrix
12 5 (1.68%) React
12 5 (1.68%) Scalatra
Miscellaneous
1 29 (9.76%) Analytical Skills
2 19 (6.40%) Algorithms
3 18 (6.06%) Foreign Exchange (FX)
4 17 (5.72%) Market Risk
5 16 (5.39%) Computer Science
6 12 (4.04%) Derivative
6 12 (4.04%) Equities
7 6 (2.02%) User Experience
8 5 (1.68%) Data Centre
9 4 (1.35%) Contactless
9 4 (1.35%) Credit Risk
9 4 (1.35%) Interest Rate Derivative
10 3 (1.01%) Client/Server
11 2 (0.67%) Enterprise Software
11 2 (0.67%) Fintech
11 2 (0.67%) Fixed Income
11 2 (0.67%) Management Information System
11 2 (0.67%) Minimum Viable Product
11 2 (0.67%) Private Cloud
11 2 (0.67%) Tandem
Operating Systems
1 54 (18.18%) Linux
2 14 (4.71%) Red Hat Enterprise Linux
3 11 (3.70%) Unix
3 11 (3.70%) Windows
4 4 (1.35%) CentOS
5 2 (0.67%) Android
5 2 (0.67%) Apple iOS
5 2 (0.67%) Ubuntu
6 1 (0.34%) AIX
6 1 (0.34%) Mac OS X
6 1 (0.34%) Solaris
6 1 (0.34%) Windows Server
Processes & Methodologies
1 142 (47.81%) Agile Software Development
2 54 (18.18%) DevOps
3 52 (17.51%) Scrum
4 49 (16.50%) Analytics
5 41 (13.80%) ETL
6 37 (12.46%) Continuous Integration
7 35 (11.78%) TDD
8 32 (10.77%) Business Intelligence
8 32 (10.77%) Risk Management
9 31 (10.44%) Open Source
10 29 (9.76%) Machine Learning
10 29 (9.76%) MapReduce
11 27 (9.09%) Data Modelling
12 25 (8.42%) Statistics
13 24 (8.08%) BDD
14 22 (7.41%) E-Commerce
15 18 (6.06%) Software Engineering
16 17 (5.72%) Mathematics
17 15 (5.05%) Data Ingestion
18 14 (4.71%) Microservices
Programming Languages
1 135 (45.45%) Java
2 104 (35.02%) Python
3 91 (30.64%) Scala
4 82 (27.61%) SQL
5 43 (14.48%) R
6 22 (7.41%) JavaScript
7 21 (7.07%) Bash Shell
8 12 (4.04%) C#
8 12 (4.04%) Ruby
9 9 (3.03%) Haskell
9 9 (3.03%) Perl
10 8 (2.69%) Shell Script
11 7 (2.36%) MATLAB
11 7 (2.36%) T-SQL
12 5 (1.68%) C++
13 4 (1.35%) PHP
14 3 (1.01%) PowerShell
15 2 (0.67%) PL/SQL
15 2 (0.67%) VBA
16 1 (0.34%) VB.NET
Qualifications
1 17 (5.72%) Degree
2 9 (3.03%) Security Cleared
3 8 (2.69%) PhD
4 5 (1.68%) DV Cleared
5 3 (1.01%) SC Cleared
6 2 (0.67%) BPSS Clearance
6 2 (0.67%) RHCE
6 2 (0.67%) RHCSA
7 1 (0.34%) BC Cleared
7 1 (0.34%) ITIL Certification
7 1 (0.34%) Postgraduate
Quality Assurance & Compliance
1 22 (7.41%) QA
2 12 (4.04%) Data Quality
3 3 (1.01%) MiFID
4 1 (0.34%) Sarbanes-Oxley
4 1 (0.34%) Solvency II
System Software
1 39 (13.13%) HDFS
2 20 (6.73%) Docker
3 6 (2.02%) Active Directory
3 6 (2.02%) Apache Flume
3 6 (2.02%) Apache ZooKeeper
4 3 (1.01%) VMware Infrastructure
5 2 (0.67%) vCloud
6 1 (0.34%) Oracle RAC
Systems Management
1 20 (6.73%) Puppet
2 17 (5.72%) Hadoop YARN
3 9 (3.03%) Oozie
3 9 (3.03%) Opscode Chef
4 6 (2.02%) Ansible
5 5 (1.68%) Mesos
6 4 (1.35%) Kubernetes
6 4 (1.35%) Nagios
6 4 (1.35%) Terraform
7 3 (1.01%) Ambari
7 3 (1.01%) Grafana
7 3 (1.01%) Graphite
8 2 (0.67%) OpenIDM
8 2 (0.67%) Salt
9 1 (0.34%) Marathon
9 1 (0.34%) MOM
Vendors
1 19 (6.40%) Teradata
2 17 (5.72%) Cloudera
2 17 (5.72%) Oracle
3 16 (5.39%) Hortonworks
3 16 (5.39%) Red Hat
4 13 (4.38%) Microsoft
5 12 (4.04%) Tableau
6 7 (2.36%) Atlassian
6 7 (2.36%) Netezza
6 7 (2.36%) Splunk
7 6 (2.02%) SAP
7 6 (2.02%) Vertica
8 5 (1.68%) Greenplum
8 5 (1.68%) New Relic
8 5 (1.68%) VMware
9 4 (1.35%) Cisco
9 4 (1.35%) Sybase
10 3 (1.01%) Cognos
10 3 (1.01%) Informatica
10 3 (1.01%) SaltStack
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