The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Hadoop skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Hadoop 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
Apache Hadoop
London / City of London
Rank 67 95 135
Rank change year-on-year +28 +40  
Contract jobs citing Hadoop 90 65 61
As % of all contract IT jobs advertised in the City of London 2.97% 1.95% 1.20%
As % of the Database & Business Intelligence category 11.12% 7.06% 4.82%
Number of daily rates quoted 76 56 57
Median daily rate £575 £539 £575
Median daily rate % change year-on-year +6.72% -6.30%  
90% offered a daily rate of more than £438 £385 £450
10% offered a daily rate of more than £650 £600 £700
UK excluding London median daily rate £488 £488 £500
% change year-on-year - -2.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £38.00 £36.50
% change year-on-year +23.68% +4.10%  

Hadoop 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 809 921 1265
As % of all contract IT job vacancies advertised in the City of London 26.70% 27.69% 24.98%
Number of daily rates quoted 640 745 978
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 £310
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% -  

Hadoop
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Hadoop as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Hadoop in the City of London

Hadoop
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 Hadoop in the City of London.

Contractor daily rate trend for Hadoop in the City of London

Hadoop
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Hadoop in the City of London over the 3 months to 25 March 2017.

Contractor daily rate histogram for Hadoop in the City of London

Hadoop
Top 30 Related IT Skills in the City of London

For the 6 months to 25 March 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.

1 168 (73.68%) Big Data
2 131 (57.46%) Apache Spark
3 119 (52.19%) Java
4 117 (51.32%) Python
5 96 (42.11%) Agile Software Development
6 90 (39.47%) Scala
7 78 (34.21%) Finance
8 72 (31.58%) Banking
9 68 (29.82%) Apache Hive
10 64 (28.07%) SQL
11 49 (21.49%) Kafka
12 44 (19.30%) Linux
13 40 (17.54%) Analytics
14 39 (17.11%) DevOps
15 38 (16.67%) R
15 38 (16.67%) Amazon AWS
16 37 (16.23%) Investment Banking
17 36 (15.79%) TDD
18 35 (15.35%) ETL
19 33 (14.47%) HBase
20 31 (13.60%) HDFS
20 31 (13.60%) Data Modelling
21 30 (13.16%) Data Warehouse
21 30 (13.16%) Scrum
22 29 (12.72%) Apache Pig
22 29 (12.72%) Akka
23 28 (12.28%) Apache
24 27 (11.84%) Apache Cassandra
24 27 (11.84%) NoSQL
25 26 (11.40%) Relational Database

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
1 131 (57.46%) Apache Spark
2 29 (12.72%) Apache Pig
3 28 (12.28%) Apache
4 22 (9.65%) Elasticsearch
5 6 (2.63%) Jupyter
6 5 (2.19%) Apache Solr
7 4 (1.75%) Oracle Coherence
7 4 (1.75%) SAS
8 3 (1.32%) BizTalk Server
8 3 (1.32%) Confluence
8 3 (1.32%) DataSynapse
9 2 (0.88%) SharePoint
10 1 (0.44%) IPython
10 1 (0.44%) OpenStack
Applications
1 3 (1.32%) SPSS
2 1 (0.44%) MS Excel
2 1 (0.44%) MS Office
2 1 (0.44%) Weka
Business Applications
1 2 (0.88%) SAP Oil and Gas
Cloud Services
1 38 (16.67%) Amazon AWS
2 14 (6.14%) Cloud Computing
3 12 (5.26%) Amazon EMR
4 8 (3.51%) Virtual Private Cloud
5 7 (3.07%) Microsoft Azure
6 3 (1.32%) Amazon Kinesis
7 1 (0.44%) GitHub
7 1 (0.44%) IaaS
7 1 (0.44%) PaaS
Communications & Networking
1 7 (3.07%) Kerberos
2 3 (1.32%) Network Security
3 2 (0.88%) DNS
3 2 (0.88%) SSL
4 1 (0.44%) FTP
4 1 (0.44%) HTTP
4 1 (0.44%) LDAP
4 1 (0.44%) TCP/IP
Database & Business Intelligence
1 168 (73.68%) Big Data
2 68 (29.82%) Apache Hive
3 33 (14.47%) HBase
4 30 (13.16%) Data Warehouse
5 27 (11.84%) Apache Cassandra
5 27 (11.84%) NoSQL
6 26 (11.40%) Relational Database
7 22 (9.65%) Data Lake
8 18 (7.89%) SQL Server
9 16 (7.02%) Sqoop
10 15 (6.58%) PostgreSQL
11 14 (6.14%) Impala
12 11 (4.82%) MongoDB
13 7 (3.07%) RDBMS
14 6 (2.63%) Flink
14 6 (2.63%) Neo4j
15 5 (2.19%) Cloudera CDH
16 3 (1.32%) MySQL
16 3 (1.32%) Power BI
17 2 (0.88%) DB2
Development Applications
1 21 (9.21%) Git (software)
2 19 (8.33%) JIRA
3 14 (6.14%) Jenkins
4 6 (2.63%) Maven
4 6 (2.63%) Talend Open Studio
5 4 (1.75%) Atlassian Bamboo
5 4 (1.75%) ERwin
5 4 (1.75%) Hudson
5 4 (1.75%) JUnit
6 3 (1.32%) Build Forge
6 3 (1.32%) CruiseControl
6 3 (1.32%) Gradle
6 3 (1.32%) Sonatype Nexus
6 3 (1.32%) Subversion
7 2 (0.88%) ClearCase
7 2 (0.88%) Cucumber
7 2 (0.88%) FishEye
7 2 (0.88%) Mockito
7 2 (0.88%) TeamCity
7 2 (0.88%) webpack
General
1 78 (34.21%) Finance
2 72 (31.58%) Banking
3 37 (16.23%) Investment Banking
4 22 (9.65%) Front Office
5 16 (7.02%) Retail
6 10 (4.39%) Marketing
7 5 (2.19%) Retail Banking
8 2 (0.88%) Electronics
8 2 (0.88%) Manufacturing
8 2 (0.88%) Telecoms
9 1 (0.44%) Corporate Banking
9 1 (0.44%) Games
9 1 (0.44%) Legal
9 1 (0.44%) Multimedia
9 1 (0.44%) Wholesale Banking
Job Titles
1 77 (33.77%) Developer
2 34 (14.91%) Java Developer
3 33 (14.47%) Data Engineer
4 32 (14.04%) Scala Developer
5 29 (12.72%) Architect
6 27 (11.84%) Big Data Developer
7 26 (11.40%) Big Data Engineer
8 20 (8.77%) Data Architect
9 19 (8.33%) Data Scientist
10 16 (7.02%) Administrator
11 15 (6.58%) Analyst
11 15 (6.58%) DevOps Engineer
11 15 (6.58%) Java Scala Developer
12 14 (6.14%) Big Data Architect
12 14 (6.14%) Hadoop Engineer
12 14 (6.14%) Senior Developer
13 13 (5.70%) Senior Java Developer
14 12 (5.26%) Market Risk Developer
14 12 (5.26%) Market Risk Java Developer
15 11 (4.82%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 49 (21.49%) Kafka
2 29 (12.72%) Akka
3 15 (6.58%) Web Services
4 10 (4.39%) .NET
4 10 (4.39%) Spring
5 8 (3.51%) HTML
6 6 (2.63%) AngularJS
6 6 (2.63%) HTML5
6 6 (2.63%) JSON
6 6 (2.63%) REST
7 5 (2.19%) JMS
7 5 (2.19%) Node.js
7 5 (2.19%) Spark Streaming
8 4 (1.75%) D3.js
8 4 (1.75%) J2EE
8 4 (1.75%) Middleware
9 3 (1.32%) Hibernate
9 3 (1.32%) JSP
9 3 (1.32%) Natural Language Processing
9 3 (1.32%) WPF
Miscellaneous
1 25 (10.96%) Algorithms
2 22 (9.65%) Analytical Skills
3 19 (8.33%) Computer Science
4 15 (6.58%) Derivative
5 13 (5.70%) Market Risk
6 12 (5.26%) Foreign Exchange (FX)
7 9 (3.95%) Equities
8 7 (3.07%) Credit Risk
9 3 (1.32%) Data Centre
9 3 (1.32%) Fintech
10 2 (0.88%) Fixed Income
10 2 (0.88%) Public Cloud
10 2 (0.88%) User Experience
11 1 (0.44%) Augmented Reality
11 1 (0.44%) Data Structures
11 1 (0.44%) Hedge funds
11 1 (0.44%) Hybrid Cloud
11 1 (0.44%) Minimum Viable Product
11 1 (0.44%) Social Media
Operating Systems
1 44 (19.30%) Linux
2 15 (6.58%) Unix
3 12 (5.26%) Red Hat Enterprise Linux
4 10 (4.39%) Windows
5 6 (2.63%) CentOS
6 3 (1.32%) AIX
6 3 (1.32%) Solaris
6 3 (1.32%) Windows Server
7 2 (0.88%) Android
7 2 (0.88%) Apple iOS
8 1 (0.44%) Fedora
Processes & Methodologies
1 96 (42.11%) Agile Software Development
2 40 (17.54%) Analytics
3 39 (17.11%) DevOps
4 36 (15.79%) TDD
5 35 (15.35%) ETL
6 31 (13.60%) Data Modelling
7 30 (13.16%) Scrum
8 26 (11.40%) Continuous Integration
8 26 (11.40%) E-Commerce
9 24 (10.53%) Machine Learning
10 22 (9.65%) Statistics
11 21 (9.21%) MapReduce
12 20 (8.77%) Open Source
13 18 (7.89%) Mathematics
14 15 (6.58%) Business Intelligence
15 14 (6.14%) Multithreading
16 13 (5.70%) Data Ingestion
16 13 (5.70%) Pair Programming
17 12 (5.26%) Visualisation
18 11 (4.82%) Microservices
Programming Languages
1 119 (52.19%) Java
2 117 (51.32%) Python
3 90 (39.47%) Scala
4 64 (28.07%) SQL
5 38 (16.67%) R
6 24 (10.53%) Bash Shell
7 13 (5.70%) Perl
8 10 (4.39%) Shell Script
9 9 (3.95%) C#
9 9 (3.95%) JavaScript
10 8 (3.51%) Haskell
11 6 (2.63%) Ruby
12 5 (2.19%) MATLAB
13 4 (1.75%) C
13 4 (1.75%) C++
13 4 (1.75%) PowerShell
14 3 (1.32%) VBA
15 2 (0.88%) ES6
15 2 (0.88%) HiveQL
15 2 (0.88%) PL/SQL
Qualifications
1 25 (10.96%) Degree
2 8 (3.51%) PhD
3 2 (0.88%) RHCE
3 2 (0.88%) RHCSA
3 2 (0.88%) Security Cleared
4 1 (0.44%) AWS Certification
4 1 (0.44%) DV Cleared
4 1 (0.44%) ITIL Certification
4 1 (0.44%) SC Cleared
Quality Assurance & Compliance
1 14 (6.14%) Data Quality
2 6 (2.63%) QA
3 2 (0.88%) MiFID
4 1 (0.44%) GDPR
4 1 (0.44%) IFRS
4 1 (0.44%) IFRS 9
4 1 (0.44%) Sarbanes-Oxley
4 1 (0.44%) Solvency II
System Software
1 31 (13.60%) HDFS
2 22 (9.65%) Docker
3 9 (3.95%) Apache Flume
4 7 (3.07%) Active Directory
4 7 (3.07%) Apache ZooKeeper
5 3 (1.32%) Oracle RAC
5 3 (1.32%) VMware Infrastructure
Systems Management
1 17 (7.46%) Hadoop YARN
2 11 (4.82%) Puppet
3 9 (3.95%) Oozie
4 8 (3.51%) Ansible
5 5 (2.19%) Kubernetes
5 5 (2.19%) Opscode Chef
6 4 (1.75%) Nagios
6 4 (1.75%) Terraform
7 3 (1.32%) Grafana
7 3 (1.32%) Graphite
7 3 (1.32%) Mesos
8 2 (0.88%) Ambari
8 2 (0.88%) Salt
8 2 (0.88%) Tivoli
9 1 (0.44%) Kibana
9 1 (0.44%) Oracle ZFS
Vendors
1 21 (9.21%) Hortonworks
2 17 (7.46%) Cloudera
3 16 (7.02%) Oracle
4 15 (6.58%) Teradata
5 14 (6.14%) Tableau
6 13 (5.70%) Red Hat
7 7 (3.07%) Microsoft
8 6 (2.63%) Netezza
8 6 (2.63%) SAP
8 6 (2.63%) Talend
9 5 (2.19%) HP
9 5 (2.19%) IBM
9 5 (2.19%) VMware
10 4 (1.75%) Atlassian
10 4 (1.75%) Splunk
10 4 (1.75%) Sybase
11 3 (1.32%) Bloomberg
11 3 (1.32%) Dell
11 3 (1.32%) Reuters
11 3 (1.32%) TIBCO
City, London
Spargonet Consulting Plc
Rate: £400 - £500 per day
Posted: Yesterday
City, London
TEKsystems
Rate: £600 - £650 per day
Posted: 3 days ago
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: Yesterday
City, London
Oliver Bernard
Rate: £625 - £700 per day
Posted: 4 days ago
City, London
Morgan Mckinley
Rate: £450 - £550 per annum
Posted: 5 days ago
City, London
Spencer Rose
Rate: £550 per annum
Posted: 5 days ago
City, London
Talent International
Rate: £350 - £500 per day
Posted: 5 days ago