Period
to 24 April 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Apache ZooKeeper skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache ZooKeeper over the 6 months to 24 April 2018 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 ZooKeeper
Central London > City of London
6 months to
24 Apr 2018
Same period 2017 Same period 2016
Rank 241 216 215
Rank change year-on-year -25 -1 +57
Contract jobs citing Apache ZooKeeper 14 9 9
As % of all contract IT jobs advertised in the City of London 0.20% 0.15% 0.14%
As % of the System Software category 1.40% 1.42% 1.40%
Number of daily rates quoted 11 7 7
City of London median daily rate £550 £600 £650
Median daily rate % change year-on-year -8.33% -7.69% +36.84%
10th Percentile £500 £493 £388
90th Percentile £700 £675 £780
Central London median daily rate £550 £600 £563
% change year-on-year -8.38% +6.67% +18.42%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Apache ZooKeeper is in the System Software category. The following 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 system software skills.

All System Software Skills
City of London
Contract vacancies with a requirement for system software skills 1,000 633 643
As % of all contract IT jobs advertised in the City of London 14.26% 10.41% 9.92%
Number of daily rates quoted 789 507 500
City of London median daily rate £500 £460 £438
Median daily rate % change year-on-year +8.70% +5.14% +9.38%
10th Percentile £252 £185 £213
90th Percentile £638 £625 £588
Central London median daily rate £500 £450 £438
% change year-on-year +11.11% +2.86% +9.38%
Number of hourly rates quoted 38 14 29
City of London median hourly rate £17.25 £21.75 £17.00
Median hourly rate % change year-on-year -20.69% +27.94% -2.86%
10th Percentile £11.03 £13.13 £11.50
90th Percentile £23.40 £55.00 £25.45
Central London median hourly rate £17.50 £21.75 £17.00
% change year-on-year -19.54% +27.94% -

Apache ZooKeeper
Job Vacancy Trend in the City of London

Job postings citing Apache ZooKeeper as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Apache ZooKeeper in the City of London

Apache ZooKeeper
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 Apache ZooKeeper in the City of London.

Contractor daily rate trend for Apache ZooKeeper in the City of London

Apache ZooKeeper
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apache ZooKeeper in the City of London over the 6 months to 24 April 2018.

Contractor daily rate histogram for Apache ZooKeeper in the City of London

For the 6 months to 24 April 2018, IT contractor jobs citing Apache ZooKeeper also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Apache ZooKeeper.

1 13 (92.86%) Kafka
2 12 (85.71%) HDFS
2 12 (85.71%) Apache Spark
2 12 (85.71%) Hadoop
3 11 (78.57%) HBase
4 10 (71.43%) Linux
5 9 (64.29%) Apache Hive
5 9 (64.29%) Apache Cassandra
5 9 (64.29%) Apache Solr
5 9 (64.29%) Oozie
6 8 (57.14%) Hadoop YARN
6 8 (57.14%) Kerberos
6 8 (57.14%) Java
7 6 (42.86%) SSL
7 6 (42.86%) Active Directory
7 6 (42.86%) Ambari
7 6 (42.86%) Apache Flume
7 6 (42.86%) Big Data
7 6 (42.86%) Hortonworks
7 6 (42.86%) Apache Slider
8 5 (35.71%) Java 8
8 5 (35.71%) Capacity Management
8 5 (35.71%) Change Management
8 5 (35.71%) Python
8 5 (35.71%) MapReduce
8 5 (35.71%) Red Hat Enterprise Linux
9 4 (28.57%) Scala
9 4 (28.57%) Akka
9 4 (28.57%) DevOps
10 3 (21.43%) Gherkin

Apache ZooKeeper
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 12 (85.71%) Apache Spark
2 9 (64.29%) Apache Solr
3 2 (14.29%) Oracle Coherence
4 1 (7.14%) Tomcat
Cloud Services
1 3 (21.43%) Amazon AWS
2 2 (14.29%) AWS CloudFormation
3 1 (7.14%) Amazon EMR
3 1 (7.14%) Amazon S3
3 1 (7.14%) Yarn
Communications & Networking
1 8 (57.14%) Kerberos
2 6 (42.86%) SSL
Database & Business Intelligence
1 12 (85.71%) Hadoop
2 11 (78.57%) HBase
3 9 (64.29%) Apache Cassandra
3 9 (64.29%) Apache Hive
4 6 (42.86%) Big Data
5 2 (14.29%) MongoDB
5 2 (14.29%) NoSQL
5 2 (14.29%) Redis
5 2 (14.29%) Spark SQL
5 2 (14.29%) Sqoop
6 1 (7.14%) Apache Zeppelin
6 1 (7.14%) Cloudera CDH
6 1 (7.14%) Data Warehouse
6 1 (7.14%) Enterprise Data Warehouse
6 1 (7.14%) Impala
6 1 (7.14%) Parquet
6 1 (7.14%) Spotfire
6 1 (7.14%) SQL Server
6 1 (7.14%) SQL Server 2014
Development Applications
1 3 (21.43%) Cucumber
1 3 (21.43%) Maven
2 2 (14.29%) Git (software)
2 2 (14.29%) Grunt
2 2 (14.29%) gulp
2 2 (14.29%) Jenkins
2 2 (14.29%) SonarQube
2 2 (14.29%) TeamCity
3 1 (7.14%) GitLab
General
1 3 (21.43%) Finance
2 2 (14.29%) Banking
2 2 (14.29%) Front Office
Job Titles
1 6 (42.86%) Consultant
2 4 (28.57%) Developer
2 4 (28.57%) Principal Consultant
3 3 (21.43%) Big Data Developer
4 2 (14.29%) Hadoop Consultant
4 2 (14.29%) Senior Software Engineer
4 2 (14.29%) Software Engineer
5 1 (7.14%) Data Analytics Engineer
5 1 (7.14%) Data Engineer
5 1 (7.14%) Full Stack Developer
5 1 (7.14%) Java Developer
Libraries, Frameworks & Software Standards
1 13 (92.86%) Kafka
2 4 (28.57%) Akka
3 3 (21.43%) Apache Avro
3 3 (21.43%) Gherkin
3 3 (21.43%) OpenCL
3 3 (21.43%) React
3 3 (21.43%) Redux
3 3 (21.43%) RESTful
4 2 (14.29%) Flask
4 2 (14.29%) J2EE
4 2 (14.29%) RabbitMQ
4 2 (14.29%) Web Services
4 2 (14.29%) ZeroMQ
5 1 (7.14%) Hibernate
5 1 (7.14%) HTML
5 1 (7.14%) HTML5
5 1 (7.14%) JSON
5 1 (7.14%) Lucene
5 1 (7.14%) Spring Boot
5 1 (7.14%) XML
Miscellaneous
1 3 (21.43%) Derivative
2 2 (14.29%) Algorithms
2 2 (14.29%) Credit Risk
2 2 (14.29%) Data Structures
2 2 (14.29%) Interest Rate Derivative
2 2 (14.29%) Market Risk
2 2 (14.29%) Self-Motivation
3 1 (7.14%) Clustering
3 1 (7.14%) Foreign Exchange (FX)
Operating Systems
1 10 (71.43%) Linux
2 5 (35.71%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (35.71%) Capacity Management
1 5 (35.71%) Change Management
1 5 (35.71%) MapReduce
2 4 (28.57%) DevOps
3 3 (21.43%) Agile Software Development
3 3 (21.43%) Data Modelling
3 3 (21.43%) PnL Attribution
3 3 (21.43%) Risk Management
3 3 (21.43%) Scrum
4 2 (14.29%) Build Automation
4 2 (14.29%) Continuous Integration
4 2 (14.29%) Machine Learning
4 2 (14.29%) Software Engineering
4 2 (14.29%) Technical Analysis
5 1 (7.14%) Analytics
5 1 (7.14%) Data Acquisition
5 1 (7.14%) Data Governance
5 1 (7.14%) Data Transformation
5 1 (7.14%) Low Latency
5 1 (7.14%) Mentoring
Programming Languages
1 8 (57.14%) Java
2 5 (35.71%) Java 8
2 5 (35.71%) Python
3 4 (28.57%) Scala
4 3 (21.43%) ES6
4 3 (21.43%) JavaScript
4 3 (21.43%) SQL
5 2 (14.29%) Bash Shell
5 2 (14.29%) C++
6 1 (7.14%) C#
6 1 (7.14%) TypeScript
System Software
1 12 (85.71%) HDFS
2 6 (42.86%) Active Directory
2 6 (42.86%) Apache Flume
3 2 (14.29%) etcd
3 2 (14.29%) Varnish
Systems Management
1 9 (64.29%) Oozie
2 8 (57.14%) Hadoop YARN
3 6 (42.86%) Ambari
3 6 (42.86%) Apache Slider
4 3 (21.43%) Mesos
5 2 (14.29%) Consul
5 2 (14.29%) Terraform
Vendors
1 6 (42.86%) Hortonworks
2 3 (21.43%) Tableau
3 2 (14.29%) Oracle
4 1 (7.14%) Cloudera
4 1 (7.14%) FXall
4 1 (7.14%) Reuters
4 1 (7.14%) Salesforce.com
4 1 (7.14%) Talend