Period
to 21 January 2019

The following table provides summary statistics for contract job vacancies 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 21 January 2019 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
UK
6 months to
21 Jan 2019
Same period 2018 Same period 2017
Rank 735 744 791
Rank change year-on-year +9 +47 +45
Contract jobs citing Apache ZooKeeper 149 144 66
As % of all contract IT jobs advertised in the UK 0.15% 0.15% 0.069%
As % of the System Software category 0.98% 1.14% 0.56%
Number of daily rates quoted 79 79 37
UK median daily rate £600 £525 £560
Median daily rate % change year-on-year +14.29% -6.25% -13.85%
10th Percentile £425 £425 £425
90th Percentile £740 £675 £713
UK excluding London median daily rate £525 £500 £525
% change year-on-year +5.00% -4.76% -
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding 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 with a requirement for system software skills.

All System Software Skills
UK
Contract vacancies with a requirement for system software skills 15,150 12,650 11,779
As % of all contract IT jobs advertised in the UK 15.33% 12.81% 12.26%
Number of daily rates quoted 9,945 8,214 7,392
UK median daily rate £463 £425 £401
Median daily rate % change year-on-year +8.82% +6.12% +6.80%
10th Percentile £180 £160 £165
90th Percentile £638 £622 £588
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14% +3.70%
Number of hourly rates quoted 810 698 832
UK median hourly rate £16.00 £16.08 £16.00
Median hourly rate % change year-on-year -0.50% +0.50% +3.23%
10th Percentile £10.50 £10.40 £10.50
90th Percentile £45.00 £45.48 £44.20
UK excluding London median hourly rate £15.50 £15.00 £15.00
% change year-on-year +3.33% - -4.00%

Apache ZooKeeper
Job Vacancy Trend

Job postings citing Apache ZooKeeper as a percentage of all IT jobs advertised.

Job vacancy trend for Apache ZooKeeper in the UK

Apache ZooKeeper
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache ZooKeeper.

Contractor daily rate trend for Apache ZooKeeper in the UK

Apache ZooKeeper
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Apache ZooKeeper over the 6 months to 21 January 2019.

Contractor daily rate histogram for Apache ZooKeeper in the UK

Apache ZooKeeper
Top 11 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Apache ZooKeeper within the UK over the 6 months to 21 January 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -6 144 £594 +13.10% 17
London +26 78 £650 +18.18% 11
UK excluding London -28 66 £525 +5.00% 6
South East -9 51 £575 +15.00% 2
North of England -18 12 £425 -10.53% 1
Yorkshire -5 10 £425 -10.53% 1
East of England - 2 - - 2
Midlands +4 1 £500 -
North West -6 1 £800 -
North East - 1 - -
West Midlands - 1 £500 -

For the 6 months to 21 January 2019, 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 with a requirement for Apache ZooKeeper.

1 119 (79.87%) Kafka
2 99 (66.44%) Big Data
2 99 (66.44%) Java
3 92 (61.74%) Linux
4 84 (56.38%) Hadoop
5 77 (51.68%) Hadoop YARN
5 77 (51.68%) Unix
6 72 (48.32%) Apache
7 67 (44.97%) Agile Software Development
8 64 (42.95%) HDFS
8 64 (42.95%) RabbitMQ
9 63 (42.28%) HBase
10 62 (41.61%) Jenkins
11 55 (36.91%) Spring
12 54 (36.24%) JSON
13 52 (34.90%) TDD
14 49 (32.89%) Apache Spark
15 47 (31.54%) BDD
15 47 (31.54%) Middleware
16 45 (30.20%) Python
16 45 (30.20%) Git (software)
17 44 (29.53%) J2EE
18 43 (28.86%) Apache Cassandra
18 43 (28.86%) DevOps
19 38 (25.50%) REST
19 38 (25.50%) GitHub
19 38 (25.50%) Unit Testing
19 38 (25.50%) Continuous Integration
19 38 (25.50%) System Testing
20 37 (24.83%) Shell Script

Apache ZooKeeper
Co-occurring IT Skills 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 72 (48.32%) Apache
2 49 (32.89%) Apache Spark
3 22 (14.77%) Apache Pig
4 18 (12.08%) Apache Qpid
5 15 (10.07%) Drupal
6 10 (6.71%) Elasticsearch
7 6 (4.03%) Confluence
8 5 (3.36%) Apache Solr
9 4 (2.68%) Cloud Foundry
10 3 (2.01%) GemFire
11 2 (1.34%) Jupyter
11 2 (1.34%) nginx
12 1 (0.67%) Tomcat
Cloud Services
1 38 (25.50%) GitHub
2 33 (22.15%) Amazon AWS
3 20 (13.42%) Apigee
3 20 (13.42%) Microsoft Azure
4 18 (12.08%) Google Cloud Platform
5 9 (6.04%) IaaS
6 7 (4.70%) Amazon CloudWatch
7 6 (4.03%) Amazon Kinesis
8 5 (3.36%) Amazon EMR
8 5 (3.36%) Amazon S3
8 5 (3.36%) Cloud Computing
9 4 (2.68%) SaaS
10 3 (2.01%) AWS CloudFormation
11 2 (1.34%) Azure Active Directory
11 2 (1.34%) Firebase
11 2 (1.34%) Office 365
11 2 (1.34%) PaaS
12 1 (0.67%) Amazon EC2
12 1 (0.67%) AWS CodePipeline
12 1 (0.67%) OpenShift
Communications & Networking
1 27 (18.12%) Kerberos
2 18 (12.08%) SSL
3 15 (10.07%) HTTP
3 15 (10.07%) TCP/IP
4 5 (3.36%) Intrusion Detection
4 5 (3.36%) LAN
4 5 (3.36%) WAN
5 4 (2.68%) Broadband
6 2 (1.34%) IPv6
Database & Business Intelligence
1 99 (66.44%) Big Data
2 84 (56.38%) Hadoop
3 63 (42.28%) HBase
4 43 (28.86%) Apache Cassandra
5 35 (23.49%) NoSQL
5 35 (23.49%) Parquet
6 30 (20.13%) Apache Hive
7 28 (18.79%) MongoDB
8 18 (12.08%) PostgreSQL
9 16 (10.74%) Sqoop
10 14 (9.40%) MySQL
10 14 (9.40%) SQL Server
11 13 (8.72%) Mahout
12 11 (7.38%) Impala
12 11 (7.38%) Relational Database
13 10 (6.71%) Redis
14 8 (5.37%) Amazon Redshift
15 6 (4.03%) OLTP
16 5 (3.36%) Data Warehouse
16 5 (3.36%) Flink
Development Applications
1 62 (41.61%) Jenkins
2 45 (30.20%) Git (software)
3 36 (24.16%) Gradle
4 8 (5.37%) Maven
5 6 (4.03%) JIRA
6 5 (3.36%) Artifactory
6 5 (3.36%) GitLab
7 3 (2.01%) Cucumber
7 3 (2.01%) Mocha
8 2 (1.34%) Grunt
8 2 (1.34%) JUnit
8 2 (1.34%) Spock
8 2 (1.34%) webpack
9 1 (0.67%) ERwin
9 1 (0.67%) gulp
9 1 (0.67%) Jasmine
9 1 (0.67%) JSUnit
9 1 (0.67%) Sinon.JS
9 1 (0.67%) Subversion
9 1 (0.67%) Toad
General
1 28 (18.79%) Finance
2 7 (4.70%) Telecoms
3 6 (4.03%) Banking
4 4 (2.68%) Legal
5 3 (2.01%) Games
6 1 (0.67%) Advertising
6 1 (0.67%) Retail
Job Titles
1 69 (46.31%) Developer
2 45 (30.20%) Java Developer
3 31 (20.81%) DevOps Engineer
4 28 (18.79%) Architect
5 27 (18.12%) Data Engineer
6 25 (16.78%) Big Data Engineer
7 24 (16.11%) Big Data Developer
8 20 (13.42%) Hadoop Developer
9 12 (8.05%) Apache Spark Developer
9 12 (8.05%) Big Data Architect
9 12 (8.05%) Java Hadoop Developer
10 11 (7.38%) Data Architect
11 8 (5.37%) Java Engineer
12 5 (3.36%) Senior DevOps
12 5 (3.36%) Senior DevOps Engineer
13 4 (2.68%) IP Engineer
13 4 (2.68%) IP Network Engineer
13 4 (2.68%) Kubernetes Engineer
13 4 (2.68%) Network Engineer
14 3 (2.01%) Python Developer
Libraries, Frameworks & Software Standards
1 119 (79.87%) Kafka
2 64 (42.95%) RabbitMQ
3 55 (36.91%) Spring
4 54 (36.24%) JSON
5 47 (31.54%) Middleware
6 44 (29.53%) J2EE
7 38 (25.50%) REST
8 35 (23.49%) Apache Avro
9 26 (17.45%) Spark Streaming
10 19 (12.75%) RESTful
10 19 (12.75%) Spring Boot
11 18 (12.08%) OAuth
11 18 (12.08%) OAuth2
12 13 (8.72%) Elastic Stack
13 9 (6.04%) Web Services
14 8 (5.37%) Apache NiFi
14 8 (5.37%) Sensu
15 6 (4.03%) Apache Camel
16 5 (3.36%) HTML
16 5 (3.36%) Spring Cloud
Miscellaneous
1 31 (20.81%) Linux Command Line
1 31 (20.81%) Virtual Team
2 30 (20.13%) Data Centre
3 9 (6.04%) Public Cloud
4 7 (4.70%) Hybrid Cloud
5 5 (3.36%) Data Structures
6 4 (2.68%) Algorithms
6 4 (2.68%) Analytical Skills
6 4 (2.68%) Self-Motivation
7 3 (2.01%) Replication
8 2 (1.34%) Greenfield Project
8 2 (1.34%) Reference Data
9 1 (0.67%) Blog
Operating Systems
1 92 (61.74%) Linux
2 77 (51.68%) Unix
3 6 (4.03%) CentOS
4 5 (3.36%) CoreOS
5 2 (1.34%) Windows
6 1 (0.67%) Red Hat Enterprise Linux
6 1 (0.67%) Solaris
Processes & Methodologies
1 67 (44.97%) Agile Software Development
2 52 (34.90%) TDD
3 47 (31.54%) BDD
4 43 (28.86%) DevOps
5 38 (25.50%) Continuous Integration
5 38 (25.50%) System Testing
5 38 (25.50%) Unit Testing
6 36 (24.16%) Benchmarking
7 19 (12.75%) Business Intelligence
8 17 (11.41%) MapReduce
8 17 (11.41%) Test Automation
9 15 (10.07%) API Design
9 15 (10.07%) B2B
9 15 (10.07%) B2C
9 15 (10.07%) Change Control
9 15 (10.07%) Continuous Delivery
9 15 (10.07%) OO
9 15 (10.07%) Performance Tuning
9 15 (10.07%) Software Delivery
9 15 (10.07%) Use Case
Programming Languages
1 99 (66.44%) Java
2 45 (30.20%) Python
3 37 (24.83%) Shell Script
4 23 (15.44%) Perl
5 22 (14.77%) Scala
6 19 (12.75%) Bash Shell
6 19 (12.75%) JavaScript
7 15 (10.07%) SQL
8 8 (5.37%) AWK
9 7 (4.70%) C
9 7 (4.70%) C++
10 4 (2.68%) Java 8
11 3 (2.01%) ES6
11 3 (2.01%) Groovy
12 2 (1.34%) ES7
12 2 (1.34%) R
12 2 (1.34%) TypeScript
13 1 (0.67%) PL/SQL
Qualifications
1 31 (20.81%) Degree
2 5 (3.36%) SC Cleared
2 5 (3.36%) Security Cleared
3 4 (2.68%) Computer Science Degree
4 3 (2.01%) Master's Degree
Quality Assurance & Compliance
1 5 (3.36%) SLA
2 4 (2.68%) QA
System Software
1 64 (42.95%) HDFS
2 24 (16.11%) Apache Flume
2 24 (16.11%) Docker
3 6 (4.03%) Oracle RAC
4 2 (1.34%) etcd
5 1 (0.67%) Varnish
Systems Management
1 77 (51.68%) Hadoop YARN
2 22 (14.77%) Ansible
3 20 (13.42%) Kubernetes
4 19 (12.75%) Oozie
5 15 (10.07%) Puppet
6 11 (7.38%) Ambari
7 10 (6.71%) Rancher
8 9 (6.04%) Grafana
8 9 (6.04%) Graphite
8 9 (6.04%) Mesos
8 9 (6.04%) Nagios
8 9 (6.04%) StatsD
9 8 (5.37%) ZABBIX
10 7 (4.70%) Kibana
11 6 (4.03%) Opscode Chef
12 5 (3.36%) Salt
13 3 (2.01%) logstash
14 2 (1.34%) Consul
14 2 (1.34%) Terraform
15 1 (0.67%) Ganglia
Vendors
1 22 (14.77%) Hortonworks
2 14 (9.40%) Oracle
3 12 (8.05%) Google
4 10 (6.71%) Splunk
5 9 (6.04%) Cloudera
6 7 (4.70%) New Relic
7 6 (4.03%) MapR
8 5 (3.36%) Cisco
9 4 (2.68%) Tableau
10 3 (2.01%) Atlassian
10 3 (2.01%) hybris
11 2 (1.34%) Alteryx
11 2 (1.34%) AppDynamics
11 2 (1.34%) Microsoft
11 2 (1.34%) MicroStrategy
12 1 (0.67%) BMC
12 1 (0.67%) Red Hat
12 1 (0.67%) Talend