The table below looks at the statistics for Hadoop 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 Hadoop over the 3 months to 24 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
24 Feb 2017
Same period 2016 Same period 2015
Apache Hadoop
London / City of London
Rank 62 103 109
Rank change year-on-year
+41 +6
Contract jobs citing Hadoop 102 50 84
As % of all contract IT jobs located in the City of London 3.44% 1.56% 1.62%
As % of the Database & Business Intelligence category 12.45% 5.66% 6.81%
Number of daily rates quoted 81 45 79
Median daily rate £580 £563 £575
Median daily rate % change year-on-year
+3.11% -2.17%
90% offered a daily rate of more than £450 £383 £450
10% offered a daily rate of more than £675 £623 £730
UK excluding London median daily rate £500 £485 £475
% change year-on-year
+3.09% +2.10%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 - £36.50

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
819 884 1234
As % of all contract IT jobs located in the City of London 27.64% 27.65% 23.79%
Number of daily rates quoted 661 710 970
Median daily rate £475 £485 £435
Median daily rate % change year-on-year
-2.06% +11.49%
90% offered a daily rate of more than £350 £350 £300
10% offered a daily rate of more than £625 £600 £600
UK excluding London median daily rate £400 £375 £370
% change year-on-year
+6.66% +1.35%
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 £38.00 £32.50 £32.50
% change year-on-year
+16.92% -

Hadoop
Jobs Demand Trend in the City of London

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

Hadoop Jobs Demand Trend in the City of London

Hadoop
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 Hadoop across the City of London region.

Hadoop Daily Rate Trend in the City of London

Hadoop
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Hadoop across the City of London region over the 3 months to 24 February 2017.

Hadoop Daily Rate Histogram in the City of London

Hadoop
Top 30 Related IT Skills in the City of London

For the 6 months to 24 February 2017, IT contractor jobs citing Hadoop 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 Hadoop.

1 178 (70.08%) Big Data
2 146 (57.48%) Apache Spark
3 137 (53.94%) Java
4 117 (46.06%) Python
4 117 (46.06%) Agile Software Development
5 104 (40.94%) Scala
6 81 (31.89%) Banking
7 80 (31.50%) Finance
8 79 (31.10%) SQL
9 75 (29.53%) Apache Hive
10 50 (19.69%) Kafka
11 48 (18.90%) Linux
12 47 (18.50%) Investment Banking
13 43 (16.93%) TDD
14 42 (16.54%) Scrum
15 41 (16.14%) HDFS
15 41 (16.14%) Analytics
16 40 (15.75%) Akka
17 39 (15.35%) R
18 37 (14.57%) HBase
18 37 (14.57%) ETL
19 36 (14.17%) DevOps
20 35 (13.78%) Amazon AWS
21 33 (12.99%) Apache Cassandra
21 33 (12.99%) Apache
22 31 (12.20%) Data Warehouse
22 31 (12.20%) Front Office
23 30 (11.81%) Apache Pig
24 29 (11.42%) Data Modelling
24 29 (11.42%) Continuous Integration

Hadoop
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
1 146 (57.48%) Apache Spark
2 33 (12.99%) Apache
3 30 (11.81%) Apache Pig
4 24 (9.45%) Elasticsearch
5 9 (3.54%) Oracle Coherence
6 6 (2.36%) BizTalk Server
6 6 (2.36%) Confluence
6 6 (2.36%) Jupyter
7 5 (1.97%) Apache Solr
8 4 (1.57%) SAS
9 3 (1.18%) DataSynapse
10 2 (0.79%) SharePoint
11 1 (0.39%) IPython
11 1 (0.39%) OpenStack
11 1 (0.39%) WebLogic
Applications
1 3 (1.18%) SPSS
2 1 (0.39%) HipChat
2 1 (0.39%) MS Excel
2 1 (0.39%) MS Office
2 1 (0.39%) Weka
Business Applications
1 2 (0.79%) SAP Oil and Gas
Cloud Services
1 35 (13.78%) Amazon AWS
2 15 (5.91%) Cloud Computing
3 10 (3.94%) Amazon EMR
4 7 (2.76%) Microsoft Azure
5 6 (2.36%) Virtual Private Cloud
6 5 (1.97%) Amazon Kinesis
7 2 (0.79%) GitHub
8 1 (0.39%) Google Cloud Platform
8 1 (0.39%) IaaS
8 1 (0.39%) PaaS
Communications & Networking
1 7 (2.76%) Kerberos
2 4 (1.57%) FTP
3 3 (1.18%) DNS
3 3 (1.18%) Network Security
4 2 (0.79%) SSL
5 1 (0.39%) AMQP
5 1 (0.39%) HTTP
5 1 (0.39%) Internet
5 1 (0.39%) LDAP
5 1 (0.39%) OpenLDAP
5 1 (0.39%) OpenVPN
5 1 (0.39%) SSH
5 1 (0.39%) TCP/IP
Database & Business Intelligence
1 178 (70.08%) Big Data
2 75 (29.53%) Apache Hive
3 37 (14.57%) HBase
4 33 (12.99%) Apache Cassandra
5 31 (12.20%) Data Warehouse
6 28 (11.02%) NoSQL
7 24 (9.45%) Relational Database
8 23 (9.06%) Data Lake
9 19 (7.48%) SQL Server
10 18 (7.09%) PostgreSQL
11 17 (6.69%) MongoDB
12 15 (5.91%) Sqoop
13 13 (5.12%) Impala
14 6 (2.36%) Cloudera CDH
14 6 (2.36%) Flink
14 6 (2.36%) Neo4j
14 6 (2.36%) RDBMS
15 4 (1.57%) Parquet
15 4 (1.57%) Spark SQL
16 3 (1.18%) Presto
Development Applications
1 27 (10.63%) Git (software)
2 24 (9.45%) JIRA
3 17 (6.69%) Jenkins
4 11 (4.33%) Maven
5 8 (3.15%) JUnit
6 6 (2.36%) Cucumber
6 6 (2.36%) Subversion
7 5 (1.97%) Hudson
8 4 (1.57%) Atlassian Bamboo
8 4 (1.57%) ERwin
8 4 (1.57%) Gradle
8 4 (1.57%) Sonatype Nexus
8 4 (1.57%) Talend Open Studio
9 3 (1.18%) Ant
9 3 (1.18%) Build Forge
9 3 (1.18%) CruiseControl
9 3 (1.18%) JSUnit
9 3 (1.18%) PHPUnit
10 2 (0.79%) Jasmine
10 2 (0.79%) Mockito
General
1 81 (31.89%) Banking
2 80 (31.50%) Finance
3 47 (18.50%) Investment Banking
4 31 (12.20%) Front Office
5 14 (5.51%) Retail
6 10 (3.94%) Marketing
7 5 (1.97%) Retail Banking
8 2 (0.79%) Electronics
8 2 (0.79%) Manufacturing
8 2 (0.79%) Telecoms
9 1 (0.39%) Corporate Banking
9 1 (0.39%) Financial Institution
9 1 (0.39%) Games
9 1 (0.39%) Legal
9 1 (0.39%) Multimedia
9 1 (0.39%) Wholesale Banking
Job Titles
1 97 (38.19%) Developer
2 46 (18.11%) Java Developer
3 42 (16.54%) Scala Developer
4 37 (14.57%) Data Engineer
5 34 (13.39%) Big Data Developer
6 31 (12.20%) Architect
7 29 (11.42%) Big Data Engineer
8 21 (8.27%) Java Scala Developer
8 21 (8.27%) Senior Developer
9 20 (7.87%) Senior Java Developer
10 19 (7.48%) Data Architect
10 19 (7.48%) Data Scientist
11 18 (7.09%) Hadoop Engineer
12 15 (5.91%) Administrator
12 15 (5.91%) Market Risk Developer
12 15 (5.91%) Market Risk Java Developer
13 14 (5.51%) Analyst
13 14 (5.51%) Hadoop Developer
14 13 (5.12%) Apache Spark Developer
14 13 (5.12%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 50 (19.69%) Kafka
2 40 (15.75%) Akka
3 18 (7.09%) Web Services
4 12 (4.72%) JMS
4 12 (4.72%) Spring
5 10 (3.94%) HTML
6 8 (3.15%) .NET
6 8 (3.15%) AngularJS
6 8 (3.15%) JSON
7 7 (2.76%) HTML5
7 7 (2.76%) REST
7 7 (2.76%) Spark Streaming
8 5 (1.97%) Node.js
9 4 (1.57%) Apache Avro
9 4 (1.57%) D3.js
9 4 (1.57%) J2EE
9 4 (1.57%) RESTful
9 4 (1.57%) XML
10 3 (1.18%) CSS
10 3 (1.18%) JSP
Miscellaneous
1 28 (11.02%) Algorithms
2 24 (9.45%) Analytical Skills
3 19 (7.48%) Computer Science
4 18 (7.09%) Derivative
5 17 (6.69%) Foreign Exchange (FX)
6 16 (6.30%) Market Risk
7 11 (4.33%) Equities
8 8 (3.15%) Credit Risk
9 4 (1.57%) Interest Rate Derivative
10 3 (1.18%) Data Centre
10 3 (1.18%) Fintech
11 2 (0.79%) Fixed Income
11 2 (0.79%) User Experience
12 1 (0.39%) Augmented Reality
12 1 (0.39%) Data Structures
12 1 (0.39%) Hedge funds
12 1 (0.39%) Management Information System
12 1 (0.39%) Minimum Viable Product
12 1 (0.39%) Public Cloud
12 1 (0.39%) Social Media
Operating Systems
1 48 (18.90%) Linux
2 14 (5.51%) Unix
3 12 (4.72%) Red Hat Enterprise Linux
4 11 (4.33%) Windows
5 7 (2.76%) CentOS
6 3 (1.18%) AIX
6 3 (1.18%) Solaris
6 3 (1.18%) Windows Server
7 2 (0.79%) Android
7 2 (0.79%) Apple iOS
8 1 (0.39%) Fedora
Processes & Methodologies
1 117 (46.06%) Agile Software Development
2 43 (16.93%) TDD
3 42 (16.54%) Scrum
4 41 (16.14%) Analytics
5 37 (14.57%) ETL
6 36 (14.17%) DevOps
7 29 (11.42%) Continuous Integration
7 29 (11.42%) Data Modelling
8 27 (10.63%) Machine Learning
9 25 (9.84%) MapReduce
10 22 (8.66%) E-Commerce
10 22 (8.66%) Statistics
11 21 (8.27%) Open Source
12 18 (7.09%) Mathematics
13 16 (6.30%) Business Intelligence
13 16 (6.30%) Multithreading
13 16 (6.30%) Pair Programming
13 16 (6.30%) Risk Management
14 14 (5.51%) BDD
14 14 (5.51%) Data Ingestion
Programming Languages
1 137 (53.94%) Java
2 117 (46.06%) Python
3 104 (40.94%) Scala
4 79 (31.10%) SQL
5 39 (15.35%) R
6 22 (8.66%) Bash Shell
7 11 (4.33%) JavaScript
8 10 (3.94%) Perl
8 10 (3.94%) Shell Script
9 9 (3.54%) Haskell
10 7 (2.76%) C#
11 6 (2.36%) Ruby
12 5 (1.97%) MATLAB
13 4 (1.57%) C
14 3 (1.18%) C++
14 3 (1.18%) PowerShell
14 3 (1.18%) VBA
15 2 (0.79%) ES6
15 2 (0.79%) HiveQL
15 2 (0.79%) PL/SQL
Qualifications
1 25 (9.84%) Degree
2 8 (3.15%) PhD
3 6 (2.36%) Security Cleared
4 4 (1.57%) SC Cleared
5 2 (0.79%) DV Cleared
5 2 (0.79%) RHCE
5 2 (0.79%) RHCSA
6 1 (0.39%) AWS Certification
6 1 (0.39%) BPSS Clearance
6 1 (0.39%) CFA
6 1 (0.39%) CTC Cleared
6 1 (0.39%) ITIL Certification
Quality Assurance & Compliance
1 13 (5.12%) Data Quality
2 8 (3.15%) QA
3 4 (1.57%) MiFID
4 1 (0.39%) GDPR
4 1 (0.39%) IFRS
4 1 (0.39%) IFRS 9
4 1 (0.39%) Sarbanes-Oxley
4 1 (0.39%) Solvency II
System Software
1 41 (16.14%) HDFS
2 22 (8.66%) Docker
3 8 (3.15%) Apache Flume
4 7 (2.76%) Active Directory
4 7 (2.76%) Apache ZooKeeper
5 3 (1.18%) Oracle RAC
5 3 (1.18%) VMware Infrastructure
6 1 (0.39%) Postfix
6 1 (0.39%) Squid
6 1 (0.39%) vCloud
Systems Management
1 17 (6.69%) Hadoop YARN
2 16 (6.30%) Puppet
3 9 (3.54%) Oozie
4 7 (2.76%) Ansible
5 5 (1.97%) Kubernetes
5 5 (1.97%) Opscode Chef
5 5 (1.97%) Terraform
6 4 (1.57%) Nagios
7 3 (1.18%) Ambari
7 3 (1.18%) Grafana
7 3 (1.18%) Graphite
7 3 (1.18%) Mesos
8 2 (0.79%) Kibana
8 2 (0.79%) Salt
8 2 (0.79%) Tivoli
9 1 (0.39%) Docker Swarm
9 1 (0.39%) logstash
9 1 (0.39%) Oracle ZFS
9 1 (0.39%) Rancher
9 1 (0.39%) ZABBIX
Vendors
1 20 (7.87%) Cloudera
2 19 (7.48%) Hortonworks
3 17 (6.69%) Oracle
4 14 (5.51%) Teradata
5 13 (5.12%) Red Hat
6 10 (3.94%) Tableau
7 7 (2.76%) Atlassian
8 6 (2.36%) Netezza
8 6 (2.36%) VMware
9 5 (1.97%) SAP
10 4 (1.57%) HP
10 4 (1.57%) IBM
10 4 (1.57%) Microsoft
10 4 (1.57%) Splunk
10 4 (1.57%) Sybase
10 4 (1.57%) Talend
11 3 (1.18%) Citrix
11 3 (1.18%) Dell
11 3 (1.18%) SaltStack
11 3 (1.18%) TIBCO
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