Period
to 20 November 2017

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 20 November 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 ZooKeeper
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 228 238 247
Rank change year-on-year +10 +9 +50
Contract jobs citing Apache ZooKeeper 18 10 25
As % of all contract IT jobs advertised in the City of London 0.25% 0.15% 0.27%
As % of the System Software category 2.14% 1.41% 2.78%
Number of daily rates quoted 15 10 24
City of London median daily rate £650 £600 £650
Median daily rate % change year-on-year +8.33% -7.69% +62.50%
10th Percentile £445 £413 £625
90th Percentile £700 £650 £734
Central London median daily rate £650 £600 £650
% change year-on-year +8.33% -7.69% +62.50%
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 841 707 899
As % of all contract IT jobs advertised in the City of London 11.87% 10.72% 9.83%
Number of daily rates quoted 683 554 678
City of London median daily rate £490 £450 £425
Median daily rate % change year-on-year +8.89% +5.88% +13.56%
10th Percentile £214 £202 £212
90th Percentile £661 £638 £625
Central London median daily rate £483 £450 £425
% change year-on-year +7.22% +5.88% +17.24%
Number of hourly rates quoted 22 22 36
City of London median hourly rate £17.00 £19.50 £18.00
Median hourly rate % change year-on-year -12.82% +8.33% +10.77%
10th Percentile £10.60 £11.25 £12.85
90th Percentile £27.33 £55.00 £33.00
Central London median hourly rate £17.00 £19.00 £17.99
% change year-on-year -10.53% +5.61% +12.44%

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 20 November 2017.

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

For the 6 months to 20 November 2017, IT contractor jobs citing Apache ZooKeeper 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 Apache ZooKeeper.

1 15 (83.33%) Java
2 13 (72.22%) Hadoop
3 12 (66.67%) Python
3 12 (66.67%) Big Data
4 11 (61.11%) Kafka
4 11 (61.11%) HBase
4 11 (61.11%) Apache Spark
5 10 (55.56%) HDFS
5 10 (55.56%) Apache Cassandra
6 9 (50.00%) RabbitMQ
6 9 (50.00%) Jenkins
6 9 (50.00%) DevOps
6 9 (50.00%) Git (software)
6 9 (50.00%) Agile Software Development
7 8 (44.44%) Unix
7 8 (44.44%) Linux
7 8 (44.44%) Scala
7 8 (44.44%) MapReduce
8 6 (33.33%) Apache Hive
8 6 (33.33%) Elasticsearch
8 6 (33.33%) Apache Pig
8 6 (33.33%) Ansible
9 5 (27.78%) AWS CloudFormation
9 5 (27.78%) Data Modelling
9 5 (27.78%) Oracle
9 5 (27.78%) Web Services
9 5 (27.78%) Maven
9 5 (27.78%) Software Engineering
9 5 (27.78%) TeamCity
9 5 (27.78%) Amazon AWS

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 11 (61.11%) Apache Spark
2 6 (33.33%) Apache Pig
2 6 (33.33%) Elasticsearch
3 4 (22.22%) Apache
3 4 (22.22%) Apache Solr
4 3 (16.67%) Oracle Coherence
5 2 (11.11%) Jetty
5 2 (11.11%) nginx
Cloud Services
1 5 (27.78%) Amazon AWS
1 5 (27.78%) AWS CloudFormation
2 2 (11.11%) Amazon CloudWatch
2 2 (11.11%) Amazon EC2
2 2 (11.11%) Amazon S3
2 2 (11.11%) Amazon SQS
2 2 (11.11%) AWS CloudTrail
2 2 (11.11%) GitHub
2 2 (11.11%) Route 53
2 2 (11.11%) Virtual Private Cloud
Communications & Networking
1 4 (22.22%) Network Security
2 2 (11.11%) Firewall
2 2 (11.11%) HTTP
2 2 (11.11%) LDAP
2 2 (11.11%) SSL
2 2 (11.11%) ZigBee
Database & Business Intelligence
1 13 (72.22%) Hadoop
2 12 (66.67%) Big Data
3 11 (61.11%) HBase
4 10 (55.56%) Apache Cassandra
5 6 (33.33%) Apache Hive
6 3 (16.67%) MongoDB
6 3 (16.67%) NoSQL
6 3 (16.67%) Redis
6 3 (16.67%) Spark SQL
7 2 (11.11%) Amazon RDS
7 2 (11.11%) Cloudera CDH
7 2 (11.11%) Hazelcast
7 2 (11.11%) Impala
7 2 (11.11%) MySQL
7 2 (11.11%) SQLite
7 2 (11.11%) Sqoop
Development Applications
1 9 (50.00%) Git (software)
1 9 (50.00%) Jenkins
2 5 (27.78%) Maven
2 5 (27.78%) TeamCity
3 4 (22.22%) Cucumber
4 3 (16.67%) Grunt
4 3 (16.67%) gulp
4 3 (16.67%) SonarQube
5 2 (11.11%) Artifactory
5 2 (11.11%) JIRA
5 2 (11.11%) Subversion
5 2 (11.11%) Vagrant
General
1 4 (22.22%) Finance
2 3 (16.67%) Front Office
3 2 (11.11%) Banking
3 2 (11.11%) Investment Banking
Job Titles
1 8 (44.44%) Developer
2 4 (22.22%) Big Data Developer
3 3 (16.67%) DevOps Engineer
3 3 (16.67%) Senior Software Engineer
3 3 (16.67%) Software Engineer
4 2 (11.11%) Administrator
4 2 (11.11%) Big Data Engineer
4 2 (11.11%) Cloud Administrator
4 2 (11.11%) Data Engineer
4 2 (11.11%) Full Stack Developer
4 2 (11.11%) Hadoop Developer
4 2 (11.11%) Scala Developer
5 1 (5.56%) Apache Spark Developer
5 1 (5.56%) DevOps Developer
5 1 (5.56%) Python Developer
5 1 (5.56%) Quantitative Developer
5 1 (5.56%) Senior Big Data Developer
5 1 (5.56%) Senior Developer
5 1 (5.56%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 11 (61.11%) Kafka
2 9 (50.00%) RabbitMQ
3 5 (27.78%) Web Services
4 4 (22.22%) Akka
4 4 (22.22%) Apache Avro
4 4 (22.22%) Gherkin
4 4 (22.22%) OpenCL
4 4 (22.22%) RESTful
5 3 (16.67%) Flask
5 3 (16.67%) React
5 3 (16.67%) Redux
5 3 (16.67%) ZeroMQ
6 2 (11.11%) Elastic Stack
6 2 (11.11%) Hystrix
6 2 (11.11%) LAMP
6 2 (11.11%) LEMP Stack
6 2 (11.11%) OAuth
6 2 (11.11%) PySpark
6 2 (11.11%) Ruby on Rails
6 2 (11.11%) scikit-learn
Miscellaneous
1 5 (27.78%) Greenfield Project
2 4 (22.22%) Analytical Skills
2 4 (22.22%) Derivative
3 3 (16.67%) Algorithms
3 3 (16.67%) Credit Risk
3 3 (16.67%) Data Structures
3 3 (16.67%) Interest Rate Derivative
3 3 (16.67%) Market Risk
4 2 (11.11%) Linux Command Line
Operating Systems
1 8 (44.44%) Linux
1 8 (44.44%) Unix
2 2 (11.11%) Android
2 2 (11.11%) Apple iOS
2 2 (11.11%) Debian
2 2 (11.11%) Ubuntu
2 2 (11.11%) Windows
Processes & Methodologies
1 9 (50.00%) Agile Software Development
1 9 (50.00%) DevOps
2 8 (44.44%) MapReduce
3 5 (27.78%) Data Modelling
3 5 (27.78%) Software Engineering
4 4 (22.22%) Configuration Management
4 4 (22.22%) PnL Attribution
4 4 (22.22%) Risk Management
5 3 (16.67%) Build Automation
5 3 (16.67%) Continuous Integration
5 3 (16.67%) Machine Learning
5 3 (16.67%) Scrum
5 3 (16.67%) Technical Analysis
6 2 (11.11%) Information Security
6 2 (11.11%) Open Source
6 2 (11.11%) Security Operations
6 2 (11.11%) Threat Modelling
7 1 (5.56%) Quantitative Research
7 1 (5.56%) TDD
Programming Languages
1 15 (83.33%) Java
2 12 (66.67%) Python
3 8 (44.44%) Scala
4 5 (27.78%) Bash Shell
5 4 (22.22%) SQL
6 3 (16.67%) C++
6 3 (16.67%) ES6
6 3 (16.67%) JavaScript
7 2 (11.11%) COBOL
7 2 (11.11%) Ruby
System Software
1 10 (55.56%) HDFS
2 3 (16.67%) etcd
2 3 (16.67%) Varnish
3 2 (11.11%) Apache Flume
3 2 (11.11%) Firmware
3 2 (11.11%) VirtualBox
Systems Management
1 6 (33.33%) Ansible
2 4 (22.22%) Mesos
2 4 (22.22%) Puppet
3 3 (16.67%) Consul
3 3 (16.67%) Terraform
4 2 (11.11%) Control-M
4 2 (11.11%) Grafana
4 2 (11.11%) Hadoop YARN
4 2 (11.11%) HAProxy
4 2 (11.11%) Kibana
4 2 (11.11%) logstash
4 2 (11.11%) Nagios
4 2 (11.11%) Oozie
4 2 (11.11%) Packer
Vendors
1 5 (27.78%) Oracle
2 2 (11.11%) Cloudera
2 2 (11.11%) New Relic
2 2 (11.11%) Palantir
2 2 (11.11%) SaltStack