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 January 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 Jan 2017
Same period 2016 Same period 2015
Apache Hadoop
London / City of London
Rank 48 101 102
Rank change year-on-year
+53 +1
Contract jobs citing Hadoop 115 50 84
As % of all contract IT jobs located in the City of London 3.92% 1.65% 1.68%
As % of the Database & Business Intelligence category 13.48% 6.24% 7.06%
Number of daily rates quoted 94 45 75
Median daily rate £580 £550 £575
Median daily rate % change year-on-year
+5.45% -4.34%
90% offered a daily rate of more than £450 £385 £422
10% offered a daily rate of more than £675 £650 £700
UK excluding London median daily rate £500 £500 £475
% change year-on-year
- +5.26%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.23 - £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
853 801 1190
As % of all contract IT jobs located in the City of London 29.08% 26.44% 23.74%
Number of daily rates quoted 690 625 943
Median daily rate £463 £488 £425
Median daily rate % change year-on-year
-5.12% +14.70%
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 £363
% change year-on-year
+6.66% +3.44%
Number of hourly rates quoted 0 3 2
Median hourly rate - £55.00 £25.00
Median hourly rate % change year-on-year
- +120.00%
UK excluding London median hourly rate £38.00 £26.50 £32.50
% change year-on-year
+43.39% -18.46%

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 January 2017.

Hadoop Daily Rate Histogram in the City of London

Hadoop
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 Hadoop across the City of London region.

Hadoop Hourly Rate Trend in the City of London

Hadoop
Top 30 Related IT Skills in the City of London

For the 6 months to 24 January 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 (68.73%) Big Data
2 158 (61.00%) Apache Spark
3 145 (55.98%) Java
4 127 (49.03%) Agile Software Development
5 111 (42.86%) Python
6 110 (42.47%) Scala
7 85 (32.82%) Finance
8 84 (32.43%) SQL
8 84 (32.43%) Banking
9 68 (26.25%) Apache Hive
10 51 (19.69%) Investment Banking
11 49 (18.92%) Kafka
12 48 (18.53%) Scrum
12 48 (18.53%) TDD
13 46 (17.76%) Linux
14 45 (17.37%) Akka
15 44 (16.99%) Analytics
16 41 (15.83%) R
17 39 (15.06%) Continuous Integration
17 39 (15.06%) Apache
17 39 (15.06%) ETL
18 37 (14.29%) HBase
18 37 (14.29%) HDFS
18 37 (14.29%) DevOps
19 35 (13.51%) NoSQL
20 34 (13.13%) Apache Cassandra
20 34 (13.13%) Amazon AWS
20 34 (13.13%) Front Office
20 34 (13.13%) Data Warehouse
21 31 (11.97%) JIRA

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
1 158 (61.00%) Apache Spark
2 39 (15.06%) Apache
3 28 (10.81%) Apache Pig
4 23 (8.88%) Elasticsearch
5 10 (3.86%) Confluence
6 7 (2.70%) BizTalk Server
6 7 (2.70%) Oracle Coherence
7 6 (2.32%) SAS
8 5 (1.93%) Jupyter
8 5 (1.93%) OpenStack
9 3 (1.16%) Apache Solr
10 2 (0.77%) SharePoint
11 1 (0.39%) Oracle HTTP Server
11 1 (0.39%) Tomcat
11 1 (0.39%) WebLogic
Applications
1 3 (1.16%) SPSS
2 1 (0.39%) HipChat
2 1 (0.39%) MS Excel
2 1 (0.39%) MS PowerPoint
2 1 (0.39%) Weka
Business Applications
1 2 (0.77%) SAP Oil and Gas
Cloud Services
1 34 (13.13%) Amazon AWS
2 15 (5.79%) Cloud Computing
3 7 (2.70%) Amazon EMR
3 7 (2.70%) Microsoft Azure
4 5 (1.93%) Amazon Kinesis
5 3 (1.16%) Google Cloud Platform
6 2 (0.77%) GitHub
6 2 (0.77%) IaaS
6 2 (0.77%) PaaS
6 2 (0.77%) Virtual Private Cloud
Communications & Networking
1 6 (2.32%) FTP
2 5 (1.93%) Kerberos
3 3 (1.16%) Network Security
4 2 (0.77%) DNS
4 2 (0.77%) Internet
5 1 (0.39%) AMQP
5 1 (0.39%) Fibre Channel
5 1 (0.39%) Firewall
5 1 (0.39%) HTTP
5 1 (0.39%) LAN
5 1 (0.39%) NAS
5 1 (0.39%) OpenLDAP
5 1 (0.39%) OpenVPN
5 1 (0.39%) SAN
5 1 (0.39%) SSH
5 1 (0.39%) WAN
Database & Business Intelligence
1 178 (68.73%) Big Data
2 68 (26.25%) Apache Hive
3 37 (14.29%) HBase
4 35 (13.51%) NoSQL
5 34 (13.13%) Apache Cassandra
5 34 (13.13%) Data Warehouse
6 25 (9.65%) MongoDB
7 24 (9.27%) Relational Database
8 22 (8.49%) Data Lake
9 21 (8.11%) SQL Server
10 19 (7.34%) PostgreSQL
11 11 (4.25%) Impala
11 11 (4.25%) Sqoop
12 6 (2.32%) Amazon Redshift
12 6 (2.32%) Cloudera CDH
12 6 (2.32%) Neo4j
13 5 (1.93%) Flink
13 5 (1.93%) RDBMS
13 5 (1.93%) Spark SQL
14 4 (1.54%) Parquet
Development Applications
1 31 (11.97%) JIRA
2 27 (10.42%) Git (software)
3 18 (6.95%) Jenkins
4 15 (5.79%) Maven
5 8 (3.09%) JUnit
6 7 (2.70%) Cucumber
7 6 (2.32%) FishEye
7 6 (2.32%) Subversion
8 5 (1.93%) Hudson
9 4 (1.54%) Ant
9 4 (1.54%) Atlassian Bamboo
9 4 (1.54%) Gradle
9 4 (1.54%) JSUnit
9 4 (1.54%) PHPUnit
9 4 (1.54%) Sonatype Nexus
10 3 (1.16%) Build Forge
10 3 (1.16%) CruiseControl
10 3 (1.16%) ERwin
10 3 (1.16%) Talend Open Studio
11 2 (0.77%) ClearCase
General
1 85 (32.82%) Finance
2 84 (32.43%) Banking
3 51 (19.69%) Investment Banking
4 34 (13.13%) Front Office
5 17 (6.56%) Retail
6 8 (3.09%) Marketing
7 5 (1.93%) Financial Institution
7 5 (1.93%) Retail Banking
8 4 (1.54%) Legal
9 2 (0.77%) Electronics
9 2 (0.77%) Manufacturing
9 2 (0.77%) Telecoms
10 1 (0.39%) Corporate Banking
10 1 (0.39%) Multimedia
10 1 (0.39%) Wholesale Banking
Job Titles
1 103 (39.77%) Developer
2 53 (20.46%) Java Developer
3 47 (18.15%) Scala Developer
4 40 (15.44%) Big Data Developer
5 37 (14.29%) Data Engineer
6 36 (13.90%) Architect
7 30 (11.58%) Big Data Engineer
8 23 (8.88%) Data Architect
8 23 (8.88%) Java Scala Developer
8 23 (8.88%) Senior Developer
9 22 (8.49%) Senior Java Developer
10 20 (7.72%) Hadoop Engineer
11 16 (6.18%) Data Scientist
11 16 (6.18%) Market Risk Developer
11 16 (6.18%) Market Risk Java Developer
12 14 (5.41%) Apache Spark Developer
12 14 (5.41%) Big Data Architect
12 14 (5.41%) Hadoop Developer
13 12 (4.63%) Administrator
13 12 (4.63%) Analyst
Libraries, Frameworks & Software Standards
1 49 (18.92%) Kafka
2 45 (17.37%) Akka
3 20 (7.72%) Web Services
4 13 (5.02%) JMS
5 11 (4.25%) Spring
6 10 (3.86%) REST
7 9 (3.47%) Spark Streaming
8 7 (2.70%) .NET
8 7 (2.70%) AngularJS
8 7 (2.70%) HTML
8 7 (2.70%) JSON
9 5 (1.93%) HTML5
9 5 (1.93%) MLlib
10 4 (1.54%) Apache Avro
10 4 (1.54%) ELK Stack
10 4 (1.54%) Node.js
10 4 (1.54%) RESTful
10 4 (1.54%) XML
11 3 (1.16%) CSS
11 3 (1.16%) JSP
Miscellaneous
1 24 (9.27%) Analytical Skills
2 23 (8.88%) Algorithms
3 19 (7.34%) Statistics
4 18 (6.95%) Foreign Exchange (FX)
5 17 (6.56%) Computer Science
5 17 (6.56%) Derivative
5 17 (6.56%) Mathematics
6 16 (6.18%) Equities
6 16 (6.18%) Market Risk
7 11 (4.25%) Visualisation
8 6 (2.32%) Management Information System
9 5 (1.93%) Credit Risk
9 5 (1.93%) Data Integration
9 5 (1.93%) Interest Rate Derivative
10 4 (1.54%) Fixed Income
10 4 (1.54%) Hedge funds
11 3 (1.16%) Economics
11 3 (1.16%) Inversion of Control
12 2 (0.77%) Data Centre
12 2 (0.77%) Fintech
Operating Systems
1 46 (17.76%) Linux
2 14 (5.41%) Unix
3 13 (5.02%) Red Hat Enterprise Linux
4 12 (4.63%) Windows
5 10 (3.86%) CentOS
6 3 (1.16%) Solaris
7 2 (0.77%) AIX
7 2 (0.77%) Android
7 2 (0.77%) Apple iOS
7 2 (0.77%) Windows Server
Processes & Methodologies
1 127 (49.03%) Agile Software Development
2 48 (18.53%) Scrum
2 48 (18.53%) TDD
3 44 (16.99%) Analytics
4 39 (15.06%) Continuous Integration
4 39 (15.06%) ETL
5 37 (14.29%) DevOps
6 26 (10.04%) Data Modelling
7 24 (9.27%) MapReduce
7 24 (9.27%) Open Source
8 23 (8.88%) Machine Learning
9 20 (7.72%) Business Intelligence
9 20 (7.72%) Pair Programming
10 19 (7.34%) E-Commerce
10 19 (7.34%) Risk Management
11 18 (6.95%) Continuous Deployment
12 17 (6.56%) BDD
13 16 (6.18%) Multithreading
14 14 (5.41%) Data Ingestion
14 14 (5.41%) Microservices
Programming Languages
1 145 (55.98%) Java
2 111 (42.86%) Python
3 110 (42.47%) Scala
4 84 (32.43%) SQL
5 41 (15.83%) R
6 15 (5.79%) Bash Shell
7 12 (4.63%) Shell Script
8 11 (4.25%) Haskell
9 9 (3.47%) JavaScript
10 6 (2.32%) C#
10 6 (2.32%) MATLAB
10 6 (2.32%) Perl
11 5 (1.93%) Ruby
12 4 (1.54%) C
13 3 (1.16%) PL/SQL
13 3 (1.16%) PowerShell
13 3 (1.16%) VBA
14 2 (0.77%) C++
14 2 (0.77%) PHP
14 2 (0.77%) T-SQL
Qualifications
1 22 (8.49%) Degree
2 8 (3.09%) Security Cleared
3 6 (2.32%) PhD
4 5 (1.93%) SC Cleared
5 2 (0.77%) DV Cleared
5 2 (0.77%) RHCE
5 2 (0.77%) 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
6 1 (0.39%) PMP
Quality Assurance & Compliance
1 12 (4.63%) Data Quality
2 6 (2.32%) QA
3 2 (0.77%) MiFID
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 37 (14.29%) HDFS
2 20 (7.72%) Docker
3 6 (2.32%) Apache ZooKeeper
4 5 (1.93%) Active Directory
5 4 (1.54%) Apache Flume
6 3 (1.16%) VMware Infrastructure
7 2 (0.77%) Oracle RAC
8 1 (0.39%) Hyper-V
8 1 (0.39%) KVM
8 1 (0.39%) NFS
8 1 (0.39%) Postfix
8 1 (0.39%) Squid
8 1 (0.39%) SRDF
8 1 (0.39%) vCloud
8 1 (0.39%) Xen
Systems Management
1 19 (7.34%) Puppet
2 15 (5.79%) Hadoop YARN
3 9 (3.47%) Ansible
3 9 (3.47%) Opscode Chef
4 7 (2.70%) Oozie
5 5 (1.93%) Oracle ZFS
6 4 (1.54%) Grafana
6 4 (1.54%) Kubernetes
6 4 (1.54%) Nagios
7 3 (1.16%) Graphite
7 3 (1.16%) Terraform
8 2 (0.77%) Ambari
8 2 (0.77%) Kibana
8 2 (0.77%) logstash
8 2 (0.77%) Salt
8 2 (0.77%) Tivoli
9 1 (0.39%) ArcSight ESM
9 1 (0.39%) Mesos
9 1 (0.39%) Rancher
9 1 (0.39%) ZABBIX
Vendors
1 17 (6.56%) Cloudera
2 15 (5.79%) Hortonworks
2 15 (5.79%) Oracle
2 15 (5.79%) Teradata
3 13 (5.02%) Atlassian
4 12 (4.63%) Red Hat
5 11 (4.25%) Tableau
6 6 (2.32%) Splunk
6 6 (2.32%) VMware
7 5 (1.93%) MicroStrategy
7 5 (1.93%) Netezza
7 5 (1.93%) SAP
8 4 (1.54%) Google
8 4 (1.54%) Sybase
9 3 (1.16%) Cisco
9 3 (1.16%) HP
9 3 (1.16%) IBM
9 3 (1.16%) SaltStack
9 3 (1.16%) Talend
9 3 (1.16%) TIBCO
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