Period
to 27 October 2021

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 6 months to 27 October 2021 with a comparison to the same period in the previous 2 years.

Apache ZooKeeper
Central London > City of London
6 months to
27 Oct 2021
Same period 2020 Same period 2019
Rank 245 192 315
Rank change year-on-year -53 +123 +33
Permanent jobs citing Apache ZooKeeper 14 4 11
As % of all permanent jobs advertised in the City of London 0.23% 0.11% 0.11%
As % of the System Software category 1.32% 0.56% 0.59%
Number of salaries quoted 12 4 9
10th Percentile £62,250 " £71,500
25th Percentile £71,250 £78,750 £73,750
Median annual salary (50th Percentile) £102,500 £92,500 £85,000
Median % change year-on-year +10.81% +8.82% +13.33%
75th Percentile £113,125 £106,250 £95,000
90th Percentile £119,500 " £97,500
Central London median annual salary £102,500 £92,500 £85,000
% change year-on-year +10.81% +8.82% +13.33%

Apache ZooKeeper is in the System Software category. The following 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.

All System Software Skills
City of London
Permanent vacancies with a requirement for system software skills 1,064 719 1,880
As % of all permanent IT jobs advertised in the City of London 17.71% 19.67% 18.89%
Number of salaries quoted 998 644 1,729
10th Percentile £38,440 £36,250 £28,450
25th Percentile £55,000 £52,500 £44,750
Median annual salary (50th Percentile) £75,000 £67,500 £65,000
Median % change year-on-year +11.11% +3.85% +8.33%
75th Percentile £95,000 £83,750 £83,750
90th Percentile £110,000 £92,500 £95,000
Central London median annual salary £71,000 £67,500 £65,000
% change year-on-year +5.19% +3.85% +8.33%

Apache ZooKeeper
Job Vacancy Trend in the City of London

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

Job vacancy trend for Apache ZooKeeper in the City of London

Apache ZooKeeper
Salary Trend in the City of London

3-month moving average salary quoted in 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

Salary distribution for jobs citing Apache ZooKeeper in the City of London over the 6 months to 27 October 2021.

Salary histogram for Apache ZooKeeper in the City of London

For the 6 months to 27 October 2021, IT 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 permanent job ads across the City of London region with a requirement for Apache ZooKeeper.

1 14 (100.00%) Java
2 12 (85.71%) Apache Cassandra
2 12 (85.71%) Kafka
3 11 (78.57%) Agile Software Development
4 10 (71.43%) Python
4 10 (71.43%) Hadoop
5 9 (64.29%) Finance
5 9 (64.29%) Jenkins
5 9 (64.29%) DevOps
6 8 (57.14%) Ansible
7 7 (50.00%) Elasticsearch
7 7 (50.00%) Big Data
7 7 (50.00%) Protocol Buffers
7 7 (50.00%) SaaS
7 7 (50.00%) Puppet
7 7 (50.00%) Apache Thrift
7 7 (50.00%) Lucene
7 7 (50.00%) Atlassian Bamboo
7 7 (50.00%) Continuous Integration
8 6 (42.86%) Bash Shell
8 6 (42.86%) Microservices
8 6 (42.86%) NoSQL
8 6 (42.86%) Continuous Improvement
8 6 (42.86%) Deployment Automation
9 5 (35.71%) Sprint Planning
9 5 (35.71%) Sprint Review
9 5 (35.71%) Full Stack Development
9 5 (35.71%) MongoDB
9 5 (35.71%) Docker
9 5 (35.71%) OpenShift

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 7 (50.00%) Elasticsearch
2 3 (21.43%) OpenStack
3 2 (14.29%) Confluence
3 2 (14.29%) nginx
Cloud Services
1 7 (50.00%) SaaS
2 5 (35.71%) OpenShift
3 4 (28.57%) GCP
4 2 (14.29%) AWS
4 2 (14.29%) Azure
4 2 (14.29%) Cloud Run
4 2 (14.29%) GitHub
4 2 (14.29%) PaaS
5 1 (7.14%) Apigee
5 1 (7.14%) Cloud Computing
5 1 (7.14%) MinIO
5 1 (7.14%) Stackdriver
Communications & Networking
1 4 (28.57%) Firewall
2 2 (14.29%) HTTP
2 2 (14.29%) Software-Defined Networking
Database & Business Intelligence
1 12 (85.71%) Apache Cassandra
2 10 (71.43%) Hadoop
3 7 (50.00%) Big Data
4 6 (42.86%) NoSQL
5 5 (35.71%) MongoDB
6 4 (28.57%) MySQL
7 3 (21.43%) ArangoDB
7 3 (21.43%) SQL Server
8 2 (14.29%) Cloud Spanner
8 2 (14.29%) Hazelcast
8 2 (14.29%) HBase
8 2 (14.29%) PostgreSQL
8 2 (14.29%) Relational Database
Development Applications
1 9 (64.29%) Jenkins
2 7 (50.00%) Atlassian Bamboo
3 3 (21.43%) Git (software)
3 3 (21.43%) Maven
4 2 (14.29%) GitLab
4 2 (14.29%) Gradle
4 2 (14.29%) JIRA
4 2 (14.29%) Travis CI
5 1 (7.14%) Bitbucket
5 1 (7.14%) TeamCity
General
1 9 (64.29%) Finance
2 3 (21.43%) Analytical Skills
3 2 (14.29%) Social Skills
4 1 (7.14%) Billing
Job Titles
1 5 (35.71%) DevOps Manager
2 4 (28.57%) DevOps Engineer
3 3 (21.43%) Developer
3 3 (21.43%) Engineering Manager
3 3 (21.43%) Java Developer
4 2 (14.29%) Embedded Engineer
4 2 (14.29%) Site Reliability Engineer
5 1 (7.14%) Architect
5 1 (7.14%) Cloud Architect
5 1 (7.14%) Cloud Engineer
5 1 (7.14%) Cloud Solutions Architect
5 1 (7.14%) Compliance Manager
5 1 (7.14%) Java Engineer
5 1 (7.14%) Senior DevOps
5 1 (7.14%) Senior DevOps Engineer
5 1 (7.14%) Senior Java Engineer
5 1 (7.14%) Site Engineer
5 1 (7.14%) Solutions Architect
Libraries, Frameworks & Software Standards
1 12 (85.71%) Kafka
2 7 (50.00%) Apache Thrift
2 7 (50.00%) Lucene
2 7 (50.00%) Protocol Buffers
3 2 (14.29%) LEMP Stack
3 2 (14.29%) XMPP
4 1 (7.14%) Guice
4 1 (7.14%) Spring
4 1 (7.14%) Spring Boot
4 1 (7.14%) Vert.x
4 1 (7.14%) WebRTC
Miscellaneous
1 4 (28.57%) Cloud Native
2 2 (14.29%) Enterprise Software
2 2 (14.29%) Management Information System
2 2 (14.29%) Mobile App
2 2 (14.29%) Private Cloud
2 2 (14.29%) Virtual Team
3 1 (7.14%) Hybrid Cloud
Operating Systems
1 4 (28.57%) Linux
2 2 (14.29%) CentOS
Processes & Methodologies
1 11 (78.57%) Agile Software Development
2 9 (64.29%) DevOps
3 7 (50.00%) Continuous Integration
4 6 (42.86%) Continuous Improvement
4 6 (42.86%) Deployment Automation
4 6 (42.86%) Microservices
5 5 (35.71%) Full Stack Development
5 5 (35.71%) Sprint Planning
5 5 (35.71%) Sprint Review
6 4 (28.57%) Computer Science
6 4 (28.57%) Line Management
6 4 (28.57%) TDD
7 3 (21.43%) Enterprise Architecture
7 3 (21.43%) Site Reliability Engineering
7 3 (21.43%) SOA
7 3 (21.43%) Software Delivery
8 2 (14.29%) API Development
8 2 (14.29%) Network Virtualisation
8 2 (14.29%) Regtech
8 2 (14.29%) Secure Coding
Programming Languages
1 14 (100.00%) Java
2 10 (71.43%) Python
3 6 (42.86%) Bash Shell
4 5 (35.71%) C#
4 5 (35.71%) JavaScript
4 5 (35.71%) Perl
4 5 (35.71%) Ruby
4 5 (35.71%) SQL
5 3 (21.43%) Go
6 2 (14.29%) C
6 2 (14.29%) C++
7 1 (7.14%) Groovy
7 1 (7.14%) Java 8
Qualifications
1 2 (14.29%) Computer Science Degree
1 2 (14.29%) Degree
1 2 (14.29%) Master's Degree
Quality Assurance & Compliance
1 5 (35.71%) QA
2 4 (28.57%) Data Quality
System Software
1 5 (35.71%) Docker
2 2 (14.29%) VMware Infrastructure
Systems Management
1 8 (57.14%) Ansible
2 7 (50.00%) Puppet
3 3 (21.43%) Kubernetes
4 2 (14.29%) Grafana
4 2 (14.29%) HAProxy
4 2 (14.29%) Prometheus
4 2 (14.29%) Terraform
5 1 (7.14%) Kibana
Vendors
1 3 (21.43%) Splunk
2 2 (14.29%) F5
2 2 (14.29%) Google
2 2 (14.29%) Oracle
2 2 (14.29%) Sybase
2 2 (14.29%) VMware
3 1 (7.14%) AppDynamics