The following table provides summary statistics for contract job vacancies advertised in the City of London 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 26 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
26 Mar 2017
Same period 2016 Same period 2015
Big Data
London / City of London
Rank 47 78 102
Rank change year-on-year +31 +24  
Contract jobs citing Big Data 126 90 95
As % of all contract IT jobs advertised in the City of London 4.21% 2.71% 1.86%
As % of the Database & Business Intelligence category 15.83% 9.76% 7.48%
Number of daily rates quoted 106 76 79
Median daily rate £544 £500 £575
Median daily rate % change year-on-year +8.75% -13.04%  
90% offered a daily rate of more than £350 £375 £400
10% offered a daily rate of more than £650 £625 £700
UK excluding London median daily rate £488 £470 £500
% change year-on-year +3.72% -6.00%  
Number of hourly rates quoted 0 0 2
Median hourly rate - - £58.37
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 the City of London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 796 922 1270
As % of all contract IT job vacancies advertised in the City of London 26.59% 27.71% 24.90%
Number of daily rates quoted 627 746 986
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £330 £313
10% offered a daily rate of more than £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 6 5
Median hourly rate £22.34 £31.29 £36.00
Median hourly rate % change year-on-year -28.60% -13.09%  
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

Big Data
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London 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 the City of London

Big Data
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Big Data in the City of London

Big Data
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Big Data in the City of London over the 3 months to 26 March 2017.

Contractor daily rate histogram for Big Data in the City of London

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

For the 6 months to 26 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 City of London region with a requirement for Big Data.

1 167 (57.99%) Hadoop
2 131 (45.49%) Java
3 122 (42.36%) Agile Software Development
4 117 (40.63%) Apache Spark
5 110 (38.19%) Python
6 79 (27.43%) Scala
7 78 (27.08%) Finance
8 73 (25.35%) SQL
9 70 (24.31%) Banking
10 63 (21.88%) Apache Hive
11 61 (21.18%) DevOps
12 58 (20.14%) Linux
13 48 (16.67%) Analytics
14 42 (14.58%) R
14 42 (14.58%) Kafka
15 41 (14.24%) Apache Cassandra
15 41 (14.24%) Data Warehouse
16 40 (13.89%) Amazon AWS
17 38 (13.19%) NoSQL
18 37 (12.85%) Open Source
18 37 (12.85%) ETL
19 36 (12.50%) Scrum
20 32 (11.11%) TDD
21 31 (10.76%) HBase
22 30 (10.42%) Machine Learning
22 30 (10.42%) Analytical Skills
23 29 (10.07%) Continuous Integration
24 28 (9.72%) E-Commerce
24 28 (9.72%) Data Modelling
24 28 (9.72%) Investment Banking

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
1 117 (40.63%) Apache Spark
2 25 (8.68%) Apache Pig
3 17 (5.90%) Elasticsearch
4 16 (5.56%) Apache
5 11 (3.82%) Confluence
6 5 (1.74%) Jupyter
7 4 (1.39%) Apache Solr
8 3 (1.04%) SAS
9 2 (0.69%) Mule
9 2 (0.69%) OpenStack
9 2 (0.69%) Oracle SOA Suite
9 2 (0.69%) SharePoint
9 2 (0.69%) WebSphere
10 1 (0.35%) Anypoint
10 1 (0.35%) Facebook Platform
10 1 (0.35%) JBoss
10 1 (0.35%) Oracle Coherence
10 1 (0.35%) WebLogic
Applications
1 2 (0.69%) MS Excel
2 1 (0.35%) MS Office
2 1 (0.35%) SPSS
Business Applications
1 2 (0.69%) SAP Oil and Gas
2 1 (0.35%) RMDS
2 1 (0.35%) thinkFolio
Cloud Services
1 40 (13.89%) Amazon AWS
2 13 (4.51%) Cloud Computing
3 12 (4.17%) Amazon EMR
4 9 (3.13%) Microsoft Azure
5 8 (2.78%) Virtual Private Cloud
6 3 (1.04%) GitHub
6 3 (1.04%) PaaS
7 2 (0.69%) Amazon EC2
7 2 (0.69%) Amazon Kinesis
8 1 (0.35%) Amazon S3
8 1 (0.35%) Amazon SQS
8 1 (0.35%) AWS Data Pipeline
8 1 (0.35%) Azure Machine Learning
8 1 (0.35%) Data Lake Analytics
8 1 (0.35%) Heroku
Communications & Networking
1 8 (2.78%) Kerberos
2 3 (1.04%) HTTP
2 3 (1.04%) Network Security
3 2 (0.69%) DNS
3 2 (0.69%) LAN
3 2 (0.69%) LDAP
3 2 (0.69%) WAN
4 1 (0.35%) FTP
4 1 (0.35%) Internet
4 1 (0.35%) SSL
4 1 (0.35%) TCP/IP
Database & Business Intelligence
1 167 (57.99%) Hadoop
2 63 (21.88%) Apache Hive
3 41 (14.24%) Apache Cassandra
3 41 (14.24%) Data Warehouse
4 38 (13.19%) NoSQL
5 31 (10.76%) HBase
6 25 (8.68%) SQL Server
7 23 (7.99%) Relational Database
8 18 (6.25%) Data Lake
9 17 (5.90%) PostgreSQL
10 15 (5.21%) Sqoop
11 14 (4.86%) MongoDB
12 12 (4.17%) Impala
13 10 (3.47%) SQL Server Integration Services
14 7 (2.43%) QlikView
14 7 (2.43%) RDBMS
15 6 (2.08%) Oracle Database
16 5 (1.74%) Flink
16 5 (1.74%) Neo4j
16 5 (1.74%) SQL Server Reporting Services
Development Applications
1 26 (9.03%) JIRA
2 25 (8.68%) Git (software)
3 16 (5.56%) Jenkins
4 8 (2.78%) Maven
4 8 (2.78%) Selenium
5 7 (2.43%) Atlassian Bamboo
6 6 (2.08%) DbUnit
6 6 (2.08%) Robot Framework
7 5 (1.74%) Bitbucket
7 5 (1.74%) Gradle
7 5 (1.74%) JUnit
8 4 (1.39%) Eclipse
8 4 (1.39%) Mockito
8 4 (1.39%) Subversion
8 4 (1.39%) Talend Open Studio
8 4 (1.39%) Team Foundation Server
8 4 (1.39%) TeamCity
9 3 (1.04%) Oracle APEX
9 3 (1.04%) Sonatype Nexus
9 3 (1.04%) Toad
General
1 78 (27.08%) Finance
2 70 (24.31%) Banking
3 28 (9.72%) Investment Banking
4 27 (9.38%) Front Office
5 22 (7.64%) Retail
6 11 (3.82%) Marketing
7 6 (2.08%) Retail Banking
7 6 (2.08%) Telecoms
8 3 (1.04%) Legal
9 2 (0.69%) Electronics
9 2 (0.69%) Manufacturing
10 1 (0.35%) Billing
10 1 (0.35%) Games
Job Titles
1 100 (34.72%) Developer
2 55 (19.10%) Java Developer
3 44 (15.28%) Architect
4 36 (12.50%) Big Data Developer
5 33 (11.46%) Big Data Engineer
6 32 (11.11%) Data Engineer
7 29 (10.07%) Senior Developer
8 26 (9.03%) Senior Java Developer
9 25 (8.68%) Analyst
10 24 (8.33%) Data Architect
11 20 (6.94%) Data Scientist
11 20 (6.94%) DevOps Engineer
11 20 (6.94%) Scala Developer
12 19 (6.60%) Big Data Architect
13 18 (6.25%) AWS DevOps
14 17 (5.90%) Java Scala Developer
15 16 (5.56%) Administrator
16 11 (3.82%) Data Administrator
16 11 (3.82%) Data Analyst
16 11 (3.82%) Hadoop Engineer
Libraries, Frameworks & Software Standards
1 42 (14.58%) Kafka
2 16 (5.56%) HTML
2 16 (5.56%) Spring
2 16 (5.56%) Web Services
3 15 (5.21%) Akka
3 15 (5.21%) AngularJS
4 11 (3.82%) .NET
4 11 (3.82%) HTML5
5 9 (3.13%) CSS
5 9 (3.13%) REST
6 6 (2.08%) D3.js
6 6 (2.08%) Node.js
7 5 (1.74%) JSON
7 5 (1.74%) Middleware
7 5 (1.74%) Natural Language Processing
7 5 (1.74%) RESTful
7 5 (1.74%) XML
8 4 (1.39%) jQuery
8 4 (1.39%) scikit-learn
8 4 (1.39%) XSLT
Miscellaneous
1 30 (10.42%) Analytical Skills
2 20 (6.94%) Algorithms
3 17 (5.90%) Computer Science
4 15 (5.21%) Foreign Exchange (FX)
5 13 (4.51%) Derivative
5 13 (4.51%) Market Risk
6 11 (3.82%) Equities
7 8 (2.78%) Client/Server
8 5 (1.74%) Data Centre
8 5 (1.74%) Data Structures
8 5 (1.74%) User Experience
9 4 (1.39%) Credit Risk
9 4 (1.39%) Enterprise Software
10 3 (1.04%) Public Cloud
11 2 (0.69%) Fintech
11 2 (0.69%) Fixed Income
11 2 (0.69%) Minimum Viable Product
11 2 (0.69%) Private Cloud
11 2 (0.69%) Reference Data
11 2 (0.69%) Tandem
Operating Systems
1 58 (20.14%) Linux
2 20 (6.94%) Unix
3 14 (4.86%) Red Hat Enterprise Linux
4 12 (4.17%) Windows
5 4 (1.39%) CentOS
6 3 (1.04%) Solaris
7 2 (0.69%) AIX
7 2 (0.69%) Android
7 2 (0.69%) Apple iOS
7 2 (0.69%) Ubuntu
7 2 (0.69%) Windows Server
8 1 (0.35%) Mac OS X
Processes & Methodologies
1 122 (42.36%) Agile Software Development
2 61 (21.18%) DevOps
3 48 (16.67%) Analytics
4 37 (12.85%) ETL
4 37 (12.85%) Open Source
5 36 (12.50%) Scrum
6 32 (11.11%) TDD
7 30 (10.42%) Machine Learning
8 29 (10.07%) Continuous Integration
9 28 (9.72%) Data Modelling
9 28 (9.72%) E-Commerce
10 26 (9.03%) Business Intelligence
11 23 (7.99%) Risk Management
12 22 (7.64%) MapReduce
12 22 (7.64%) Statistics
13 20 (6.94%) Mathematics
14 18 (6.25%) Software Engineering
15 14 (4.86%) Microservices
15 14 (4.86%) Stakeholder Management
16 13 (4.51%) Data Analysis
Programming Languages
1 131 (45.49%) Java
2 110 (38.19%) Python
3 79 (27.43%) Scala
4 73 (25.35%) SQL
5 42 (14.58%) R
6 25 (8.68%) Bash Shell
7 17 (5.90%) JavaScript
8 16 (5.56%) C#
9 13 (4.51%) Perl
10 10 (3.47%) Ruby
11 8 (2.78%) Haskell
12 7 (2.43%) MATLAB
13 6 (2.08%) C++
13 6 (2.08%) T-SQL
14 5 (1.74%) Shell Script
15 4 (1.39%) PowerShell
16 3 (1.04%) Apex Code
16 3 (1.04%) PL/SQL
17 2 (0.69%) Groovy
17 2 (0.69%) HiveQL
Qualifications
1 19 (6.60%) Degree
2 9 (3.13%) PhD
3 7 (2.43%) Security Cleared
4 4 (1.39%) DV Cleared
5 2 (0.69%) Postgraduate
5 2 (0.69%) RHCE
5 2 (0.69%) RHCSA
5 2 (0.69%) SC Cleared
6 1 (0.35%) BC Cleared
6 1 (0.35%) BPSS Clearance
6 1 (0.35%) ITIL Certification
6 1 (0.35%) PMI Certification
6 1 (0.35%) PMP
6 1 (0.35%) SAS Certification
Quality Assurance & Compliance
1 18 (6.25%) QA
2 11 (3.82%) Data Quality
3 6 (2.08%) MiFID
4 2 (0.69%) PMO
4 2 (0.69%) Sarbanes-Oxley
4 2 (0.69%) Solvency II
5 1 (0.35%) IFRS
5 1 (0.35%) IFRS 9
System Software
1 27 (9.38%) HDFS
2 23 (7.99%) Docker
3 8 (2.78%) Apache Flume
4 7 (2.43%) Active Directory
5 6 (2.08%) Apache ZooKeeper
6 4 (1.39%) VMware Infrastructure
7 2 (0.69%) Oracle RAC
7 2 (0.69%) vCloud
Systems Management
1 20 (6.94%) Puppet
2 17 (5.90%) Hadoop YARN
3 14 (4.86%) Opscode Chef
4 9 (3.13%) Oozie
5 8 (2.78%) Ansible
6 5 (1.74%) Mesos
7 4 (1.39%) Kubernetes
7 4 (1.39%) Nagios
7 4 (1.39%) Terraform
8 3 (1.04%) Grafana
8 3 (1.04%) Graphite
8 3 (1.04%) MOM
9 2 (0.69%) Ambari
9 2 (0.69%) OpenIDM
9 2 (0.69%) Salt
10 1 (0.35%) Marathon
10 1 (0.35%) Rsyslog
Vendors
1 23 (7.99%) Oracle
2 20 (6.94%) Hortonworks
3 19 (6.60%) Teradata
4 18 (6.25%) Tableau
5 17 (5.90%) Cloudera
6 16 (5.56%) Red Hat
7 15 (5.21%) Microsoft
8 8 (2.78%) Splunk
9 6 (2.08%) Atlassian
9 6 (2.08%) Netezza
9 6 (2.08%) SAP
9 6 (2.08%) Vertica
9 6 (2.08%) VMware
10 5 (1.74%) Greenplum
10 5 (1.74%) IBM
11 4 (1.39%) Cisco
11 4 (1.39%) HP
11 4 (1.39%) Informatica
11 4 (1.39%) Sybase
11 4 (1.39%) Talend
City, London
Spargonet Consulting Plc
Rate: £400 - £500 per day
Posted: 2 days ago
City, London
TEKsystems
Rate: £600 - £650 per day
Posted: 4 days ago
City, London
Oliver Bernard
Rate: £625 - £700 per day
Posted: 5 days ago
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Rate: £600 - £700 per day
Posted: 2 days ago
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People Source Consulting
Rate: £500 - £650 per day
Posted: 2 days ago
City, London
TEKsystems
Rate: £700 - £751 per annum
Posted: 4 days ago
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: 5 days ago
City, London
Parallel Consulting
Posted: 5 days ago
City, London
Spencer Rose
Rate: £550 per annum
Posted: 6 days ago
City, London
Talent International
Rate: £350 - £500 per day
Posted: 6 days ago
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Venturi
Posted: 4 days ago
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TEKsystems
Rate: £600 - £700 per day
Posted: 5 days ago
City, London
Talent Point Ltd
Rate: £500.00 - £600.00 per day
Posted: 5 days ago
City, London
Talent Point Ltd
Rate: £300.00 - £400.00 per day
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