The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for HBase skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited HBase over the 3 months to 29 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.

Apache HBase
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 149 140 182
Rank change year-on-year -9 +42  
Contract jobs citing HBase 13 19 9
As % of all contract IT jobs advertised in the City of London 0.42% 0.56% 0.18%
As % of the Database & Business Intelligence category 1.56% 2.02% 0.70%
Number of daily rates quoted 10 19 9
Median daily rate £600 £550 £550
Median daily rate % change year-on-year +9.09% -  
90% offered a daily rate of more than £515 £425 £474
10% offered a daily rate of more than £650 £604 £625
UK excluding London median daily rate £525 £725 £495
% change year-on-year -27.58% +46.46%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

HBase 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 831 942 1277
As % of all contract IT job vacancies advertised in the City of London 27.05% 27.83% 24.97%
Number of daily rates quoted 658 767 994
Median daily rate £490 £475 £450
Median daily rate % change year-on-year +3.15% +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 £34.24 £32.50 £32.50
% change year-on-year +5.35% -  

HBase
Job Vacancy Trend in the City of London

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

Job vacancy trend for HBase in the City of London

HBase
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 HBase in the City of London.

Contractor daily rate trend for HBase in the City of London

HBase
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing HBase in the City of London over the 3 months to 29 March 2017.

Contractor daily rate histogram for HBase in the City of London

For the 6 months to 29 March 2017, IT contractor jobs citing HBase 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 HBase.

1 33 (73.33%) Hadoop
2 31 (68.89%) Big Data
3 25 (55.56%) Apache Hive
3 25 (55.56%) Apache Spark
4 21 (46.67%) Java
4 21 (46.67%) Python
4 21 (46.67%) HDFS
5 20 (44.44%) Banking
6 18 (40.00%) Apache Cassandra
7 16 (35.56%) SQL
8 15 (33.33%) Linux
8 15 (33.33%) Finance
8 15 (33.33%) MapReduce
9 14 (31.11%) Apache Pig
9 14 (31.11%) Scala
10 13 (28.89%) NoSQL
10 13 (28.89%) Hadoop YARN
11 10 (22.22%) Sqoop
11 10 (22.22%) AngularJS
11 10 (22.22%) Agile Software Development
12 9 (20.00%) TDD
12 9 (20.00%) HTML
12 9 (20.00%) Hortonworks
12 9 (20.00%) Analytics
12 9 (20.00%) Kafka
12 9 (20.00%) Microservices
13 8 (17.78%) DevOps
13 8 (17.78%) JavaScript
13 8 (17.78%) Investment Banking
13 8 (17.78%) Open Source

HBase
Co-occurring 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 25 (55.56%) Apache Spark
2 14 (31.11%) Apache Pig
3 6 (13.33%) Apache
3 6 (13.33%) Apache Solr
4 5 (11.11%) Elasticsearch
5 4 (8.89%) Jupyter
Applications
1 1 (2.22%) MS Excel
1 1 (2.22%) SPSS
1 1 (2.22%) Weka
Cloud Services
1 5 (11.11%) Amazon AWS
2 1 (2.22%) Microsoft Azure
Communications & Networking
1 6 (13.33%) Kerberos
2 3 (6.67%) Network Security
3 2 (4.44%) LDAP
3 2 (4.44%) SSL
4 1 (2.22%) HTTP
4 1 (2.22%) TCP/IP
Database & Business Intelligence
1 33 (73.33%) Hadoop
2 31 (68.89%) Big Data
3 25 (55.56%) Apache Hive
4 18 (40.00%) Apache Cassandra
5 13 (28.89%) NoSQL
6 10 (22.22%) Sqoop
7 7 (15.56%) MongoDB
7 7 (15.56%) PostgreSQL
7 7 (15.56%) SQL Server
8 6 (13.33%) Relational Database
9 5 (11.11%) Data Lake
9 5 (11.11%) Flink
9 5 (11.11%) MySQL
9 5 (11.11%) RDBMS
10 4 (8.89%) Cloudera CDH
10 4 (8.89%) Impala
11 3 (6.67%) Neo4j
12 2 (4.44%) Data Mining
13 1 (2.22%) Data Warehouse
13 1 (2.22%) DB2
Development Applications
1 6 (13.33%) Git (software)
2 5 (11.11%) Jenkins
3 2 (4.44%) Talend Open Studio
4 1 (2.22%) Atlassian Bamboo
4 1 (2.22%) Gradle
4 1 (2.22%) JIRA
4 1 (2.22%) JUnit
4 1 (2.22%) Maven
4 1 (2.22%) Mockito
General
1 20 (44.44%) Banking
2 15 (33.33%) Finance
3 8 (17.78%) Investment Banking
4 5 (11.11%) Front Office
5 1 (2.22%) Advertising
5 1 (2.22%) Games
5 1 (2.22%) Marketing
5 1 (2.22%) Retail
Job Titles
1 22 (48.89%) Developer
2 7 (15.56%) Java Developer
3 6 (13.33%) Administrator
3 6 (13.33%) Big Data Developer
4 5 (11.11%) Data Engineer
4 5 (11.11%) Digital Developer
5 4 (8.89%) Architect
5 4 (8.89%) Big Data Engineer
5 4 (8.89%) Scala Developer
6 3 (6.67%) Analyst
6 3 (6.67%) Apache Spark Developer
6 3 (6.67%) Data Administrator
6 3 (6.67%) Data Architect
6 3 (6.67%) Hadoop Administrator
6 3 (6.67%) Hadoop Developer
6 3 (6.67%) Java Scala Developer
6 3 (6.67%) Technical Analyst
7 2 (4.44%) Data Scientist
7 2 (4.44%) Java Hadoop Developer
7 2 (4.44%) Senior Developer
Libraries, Frameworks & Software Standards
1 10 (22.22%) AngularJS
2 9 (20.00%) HTML
2 9 (20.00%) Kafka
3 7 (15.56%) HTML5
3 7 (15.56%) jQuery
3 7 (15.56%) REST
4 6 (13.33%) Akka
4 6 (13.33%) CSS
4 6 (13.33%) CSS3
4 6 (13.33%) Twitter Bootstrap
4 6 (13.33%) WinForms
4 6 (13.33%) WPF
5 4 (8.89%) RESTful
6 3 (6.67%) Dropwizard
6 3 (6.67%) Spring
6 3 (6.67%) Web Services
7 2 (4.44%) Drools
7 2 (4.44%) NumPy
8 1 (2.22%) Grails
8 1 (2.22%) Spring Security
Miscellaneous
1 7 (15.56%) Algorithms
2 3 (6.67%) Analytical Skills
2 3 (6.67%) User Experience
3 2 (4.44%) Computer Science
3 2 (4.44%) Derivative
3 2 (4.44%) Social Network
4 1 (2.22%) Clustering
4 1 (2.22%) Data Centre
4 1 (2.22%) Equities
4 1 (2.22%) Fintech
4 1 (2.22%) Foreign Exchange (FX)
4 1 (2.22%) Market Risk
Operating Systems
1 15 (33.33%) Linux
2 6 (13.33%) Unix
3 5 (11.11%) Red Hat Enterprise Linux
4 3 (6.67%) Windows
5 1 (2.22%) CentOS
5 1 (2.22%) Fedora
Processes & Methodologies
1 15 (33.33%) MapReduce
2 10 (22.22%) Agile Software Development
3 9 (20.00%) Analytics
3 9 (20.00%) Microservices
3 9 (20.00%) TDD
4 8 (17.78%) DevOps
4 8 (17.78%) Open Source
5 6 (13.33%) CQRS
5 6 (13.33%) Performance Testing
5 6 (13.33%) Statistics
6 5 (11.11%) Mathematics
6 5 (11.11%) Performance Tuning
7 4 (8.89%) Data Analytics
7 4 (8.89%) Machine Learning
8 3 (6.67%) Business Intelligence
8 3 (6.67%) Data Engineering
8 3 (6.67%) ETL
8 3 (6.67%) Mentoring
8 3 (6.67%) Pair Programming
8 3 (6.67%) Visualisation
Programming Languages
1 21 (46.67%) Java
1 21 (46.67%) Python
2 16 (35.56%) SQL
3 14 (31.11%) Scala
4 8 (17.78%) JavaScript
5 6 (13.33%) C#
6 5 (11.11%) Bash Shell
6 5 (11.11%) R
7 4 (8.89%) MATLAB
8 2 (4.44%) HiveQL
8 2 (4.44%) Perl
8 2 (4.44%) Shell Script
9 1 (2.22%) C++
9 1 (2.22%) Groovy
9 1 (2.22%) Haskell
9 1 (2.22%) Pig Latin
9 1 (2.22%) Ruby
Qualifications
1 6 (13.33%) Degree
2 4 (8.89%) PhD
3 1 (2.22%) SC Cleared
3 1 (2.22%) Security Cleared
Quality Assurance & Compliance
1 2 (4.44%) QA
System Software
1 21 (46.67%) HDFS
2 6 (13.33%) Apache ZooKeeper
3 5 (11.11%) Apache Flume
4 4 (8.89%) Active Directory
5 3 (6.67%) Docker
Systems Management
1 13 (28.89%) Hadoop YARN
2 7 (15.56%) Oozie
3 4 (8.89%) Nagios
4 3 (6.67%) Grafana
4 3 (6.67%) Graphite
5 2 (4.44%) Ansible
5 2 (4.44%) Terraform
6 1 (2.22%) Ambari
6 1 (2.22%) Kibana
6 1 (2.22%) Kubernetes
6 1 (2.22%) Mesos
6 1 (2.22%) Opscode Chef
6 1 (2.22%) Puppet
Vendors
1 9 (20.00%) Hortonworks
2 5 (11.11%) Cloudera
2 5 (11.11%) Tableau
3 3 (6.67%) SaltStack
4 2 (4.44%) Microsoft
4 2 (4.44%) Red Hat
4 2 (4.44%) Talend
4 2 (4.44%) Teradata
5 1 (2.22%) Alteryx
5 1 (2.22%) MapR
5 1 (2.22%) MicroStrategy
5 1 (2.22%) Oracle
5 1 (2.22%) SAP