The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Apache ZooKeeper skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache ZooKeeper over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

Apache ZooKeeper
London / City of London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 231 259 310
Rank change year-on-year +28 +51  
Permanent jobs citing Apache ZooKeeper 3 1 2
As % of all permanent IT jobs advertised in the City of London 0.057% 0.016% 0.019%
As % of the System Software category 0.40% 0.12% 0.21%
Number of salaries quoted 3 1 2
Median salary £65,000 £95,000 £62,500
Median salary % change year-on-year -31.57% +52.00%  
UK excluding London median salary £65,000 £55,000 -
% change year-on-year +18.18% -  

Apache ZooKeeper is in the system software skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for system software skills.

System Software Skills
City of London
Permanent job vacancies with a requirement for system software skills 742 807 971
As % of all permanent IT job vacancies advertised in the City of London 14.17% 12.84% 9.40%
Number of salaries quoted 664 746 858
Median salary £50,000 £53,000 £50,000
Median salary % change year-on-year -5.66% +6.00%  
90% offered a salary of more than £29,000 £31,500 £31,000
10% offered a salary of more than £75,000 £65,000 £72,500
UK excluding London median salary £38,000 £39,000 £37,500
% change year-on-year -2.56% +4.00%  

Apache ZooKeeper
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Apache ZooKeeper as a proportion of all permanent or contract IT jobs with a match in the System Software category.

Job vacancy trend for Apache ZooKeeper in the City of London

Apache ZooKeeper
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Apache ZooKeeper in the City of London.

Salary trend for Apache ZooKeeper in the City of London

Apache ZooKeeper
Salary Histogram in the City of London

The salary distribution of IT jobs citing Apache ZooKeeper in the City of London over the 3 months to 26 June 2017.

Salary histogram for Apache ZooKeeper in the City of London

For the 6 months to 26 June 2017, IT 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 job ads across the City of London region with a requirement for Apache ZooKeeper.

1 9 (81.82%) Java
2 7 (63.64%) Kafka
3 6 (54.55%) Spring
3 6 (54.55%) Ansible
4 5 (45.45%) Low Latency
4 5 (45.45%) DevOps
4 5 (45.45%) Apache Cassandra
4 5 (45.45%) MySQL
4 5 (45.45%) XML
4 5 (45.45%) Python
5 4 (36.36%) ActiveMQ
5 4 (36.36%) JMS
5 4 (36.36%) FIX Protocol
5 4 (36.36%) Docker
5 4 (36.36%) Spring Boot
5 4 (36.36%) Fintech
5 4 (36.36%) Puppet
6 3 (27.27%) Mesos
6 3 (27.27%) Agile Software Development
6 3 (27.27%) TDD
6 3 (27.27%) Apache
6 3 (27.27%) Grid Computing
7 2 (18.18%) Configuration Management
7 2 (18.18%) C
7 2 (18.18%) C++
7 2 (18.18%) Continuous Integration
7 2 (18.18%) Hadoop
7 2 (18.18%) Amazon AWS
7 2 (18.18%) Open Source
7 2 (18.18%) Go

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 3 (27.27%) Apache
2 1 (9.09%) Apache Solr
2 1 (9.09%) Apache Spark
Cloud Services
1 2 (18.18%) Amazon AWS
2 1 (9.09%) Cloud Computing
2 1 (9.09%) PaaS
Communications & Networking
1 1 (9.09%) Internet
Database & Business Intelligence
1 5 (45.45%) Apache Cassandra
1 5 (45.45%) MySQL
2 2 (18.18%) Hadoop
3 1 (9.09%) DB2
3 1 (9.09%) RDBMS
3 1 (9.09%) Redis
3 1 (9.09%) Relational Database
Development Applications
1 1 (9.09%) Gradle
1 1 (9.09%) Jenkins
1 1 (9.09%) Maven
1 1 (9.09%) Subversion
General
1 1 (9.09%) Advertising
1 1 (9.09%) Automotive
1 1 (9.09%) Front Office
Job Titles
1 5 (45.45%) Developer
1 5 (45.45%) DevOps Engineer
1 5 (45.45%) Java Developer
2 4 (36.36%) Java Software Developer
3 1 (9.09%) Applications Developer
3 1 (9.09%) Cloud Developer
3 1 (9.09%) Java Applications Developer
3 1 (9.09%) Software Engineer
Libraries, Frameworks & Software Standards
1 7 (63.64%) Kafka
2 6 (54.55%) Spring
3 5 (45.45%) XML
4 4 (36.36%) ActiveMQ
4 4 (36.36%) FIX Protocol
4 4 (36.36%) JMS
4 4 (36.36%) Spring Boot
5 1 (9.09%) Akka
5 1 (9.09%) Guava
5 1 (9.09%) Hibernate
5 1 (9.09%) HTML
5 1 (9.09%) HTML5
5 1 (9.09%) J2EE
5 1 (9.09%) JSON
5 1 (9.09%) Lucene
5 1 (9.09%) REST
5 1 (9.09%) RESTful
5 1 (9.09%) SOAP
5 1 (9.09%) WPF
5 1 (9.09%) Zuul
Miscellaneous
1 4 (36.36%) Fintech
2 3 (27.27%) Grid Computing
3 1 (9.09%) Derivative
3 1 (9.09%) Equity Derivative
3 1 (9.09%) N-Tier
3 1 (9.09%) Smartphone
Operating Systems
1 1 (9.09%) Linux
1 1 (9.09%) Unix
1 1 (9.09%) Windows
Processes & Methodologies
1 5 (45.45%) DevOps
1 5 (45.45%) Low Latency
2 3 (27.27%) Agile Software Development
2 3 (27.27%) TDD
3 2 (18.18%) Configuration Management
3 2 (18.18%) Continuous Delivery
3 2 (18.18%) Continuous Integration
3 2 (18.18%) Open Source
4 1 (9.09%) API Design
4 1 (9.09%) Artificial Intelligence
4 1 (9.09%) BDD
4 1 (9.09%) Capacity Planning
4 1 (9.09%) Functional Programming
4 1 (9.09%) Machine Learning
4 1 (9.09%) Microservices
4 1 (9.09%) Release Management
4 1 (9.09%) SOA
4 1 (9.09%) Software Engineering
4 1 (9.09%) Test Automation
4 1 (9.09%) Unit Testing
Programming Languages
1 9 (81.82%) Java
2 5 (45.45%) Python
3 2 (18.18%) C
3 2 (18.18%) C++
3 2 (18.18%) Go
4 1 (9.09%) C#
4 1 (9.09%) JavaScript
4 1 (9.09%) Ruby
4 1 (9.09%) SQL
System Software
1 4 (36.36%) Docker
Systems Management
1 6 (54.55%) Ansible
2 4 (36.36%) Puppet
3 3 (27.27%) Mesos
4 2 (18.18%) Docker Swarm
4 2 (18.18%) Kubernetes
4 2 (18.18%) Marathon
4 2 (18.18%) Opscode Chef
Vendors
1 1 (9.09%) Splunk
1 1 (9.09%) Sybase