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 3 months to 23 June 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
UK
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 539 611 627
Rank change year-on-year +72 +16  
Contract jobs citing Apache ZooKeeper 63 32 12
As % of all contract IT jobs advertised in the UK 0.13% 0.059% 0.021%
As % of the System Software category 1.21% 0.47% 0.20%
Number of daily rates quoted 41 22 9
Median daily rate £475 £456 £525
Median daily rate % change year-on-year +4.10% -13.09%  
90% offered a daily rate of more than £401 £353 £425
10% offered a daily rate of more than £650 £645 £590
UK excluding London median daily rate £401 £419 £425
% change year-on-year -4.35% -1.47%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract System Software Skills
UK
Contract job vacancies with a requirement for system software skills 5227 6793 5977
As % of all contract IT job vacancies advertised in the UK 11.17% 12.62% 10.64%
Number of daily rates quoted 3357 4206 3390
Median daily rate £405 £400 £350
Median daily rate % change year-on-year +1.25% +14.28%  
90% offered a daily rate of more than £180 £200 £185
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £375 £350 £330
% change year-on-year +7.14% +6.06%  
Number of hourly rates quoted 307 475 631
Median hourly rate £17.00 £19.00 £17.50
Median hourly rate % change year-on-year -10.52% +8.57%  
90% offered a hourly rate of more than £11.15 £12.00 £11.00
10% offered a hourly rate of more than £47.50 £42.00 £40.00
UK excluding London median hourly rate £16.09 £21.50 £17.50
% change year-on-year -25.16% +22.85%  

Apache ZooKeeper
Job Vacancy Trend

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

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 3 months to 23 June 2017.

Contractor daily rate histogram for Apache ZooKeeper in the UK

Apache ZooKeeper
Top 14 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 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +74 63 £475 - 7
London +34 42 £560 +4.18% 6
South East +25 20 £401 +5.39% 1
Hampshire - 14 £401 -
Croydon +1 6 £548 - 3
City of London -4 5 £650 +33.33%
Surrey - 4 £475 -
Guildford - 4 £475 -
Oxfordshire -12 2 £600 +57.89% 1
North West +23 1 - -
Manchester +12 1 - -
Oxford -1 1 £600 +57.89% 1
Farnborough - 1 - -
Heathrow - 1 £425 -

For the 6 months to 23 June 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 with a requirement for Apache ZooKeeper.

1 84 (71.79%) Hadoop
2 75 (64.10%) Linux
3 71 (60.68%) Kafka
4 61 (52.14%) HDFS
5 53 (45.30%) Big Data
5 53 (45.30%) Java
6 49 (41.88%) Agile Software Development
7 48 (41.03%) Python
8 46 (39.32%) Apache Solr
9 45 (38.46%) Apache Spark
10 43 (36.75%) Apache Hive
10 43 (36.75%) HBase
11 42 (35.90%) Unix
12 35 (29.91%) Spring
13 34 (29.06%) TDD
13 34 (29.06%) DevOps
14 32 (27.35%) Docker
15 30 (25.64%) Cloudera
16 29 (24.79%) Impala
17 28 (23.93%) Hadoop YARN
18 27 (23.08%) Apache Flume
18 27 (23.08%) Red Hat Enterprise Linux
19 26 (22.22%) REST
19 26 (22.22%) Oozie
19 26 (22.22%) Finance
20 25 (21.37%) Ansible
21 24 (20.51%) Ubuntu
21 24 (20.51%) Kerberos
22 22 (18.80%) Apache
22 22 (18.80%) Elasticsearch

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 46 (39.32%) Apache Solr
2 45 (38.46%) Apache Spark
3 22 (18.80%) Apache
3 22 (18.80%) Elasticsearch
4 13 (11.11%) Apache Pig
5 10 (8.55%) Confluence
6 6 (5.13%) nginx
7 5 (4.27%) Tomcat
8 3 (2.56%) GemFire
9 1 (0.85%) Cloud Foundry
9 1 (0.85%) Jupyter
Business Applications
1 1 (0.85%) SAP Oil and Gas
Cloud Services
1 13 (11.11%) Amazon AWS
2 10 (8.55%) GitHub
3 8 (6.84%) Cloud Computing
4 6 (5.13%) Akamai
5 3 (2.56%) Quay.io
6 2 (1.71%) Amazon EMR
6 2 (1.71%) Microsoft Azure
7 1 (0.85%) PaaS
Communications & Networking
1 24 (20.51%) Kerberos
2 7 (5.98%) LDAP
3 6 (5.13%) DNS
3 6 (5.13%) SSL
4 3 (2.56%) Firewall
5 2 (1.71%) HTTPS
5 2 (1.71%) Internet
5 2 (1.71%) Intranet
Database & Business Intelligence
1 84 (71.79%) Hadoop
2 53 (45.30%) Big Data
3 43 (36.75%) Apache Hive
3 43 (36.75%) HBase
4 29 (24.79%) Impala
5 22 (18.80%) NoSQL
6 18 (15.38%) Apache Cassandra
7 15 (12.82%) MySQL
8 12 (10.26%) PostgreSQL
9 9 (7.69%) Sqoop
10 5 (4.27%) SQL Server
11 4 (3.42%) Apache Zeppelin
12 3 (2.56%) Mahout
12 3 (2.56%) Parquet
13 2 (1.71%) MongoDB
13 2 (1.71%) Redis
14 1 (0.85%) Apache Accumulo
14 1 (0.85%) Neo4j
14 1 (0.85%) OrientDB
14 1 (0.85%) Relational Database
Development Applications
1 19 (16.24%) Jenkins
2 15 (12.82%) Git (software)
3 12 (10.26%) Cucumber
4 11 (9.40%) JIRA
5 9 (7.69%) IntelliJ
6 6 (5.13%) GitLab
7 5 (4.27%) Gradle
8 3 (2.56%) Artifactory
8 3 (2.56%) Babel
8 3 (2.56%) JUnit
8 3 (2.56%) Talend Open Studio
8 3 (2.56%) TeamCity
8 3 (2.56%) webpack
9 2 (1.71%) Concordion
9 2 (1.71%) JBehave
9 2 (1.71%) Mockito
9 2 (1.71%) Selenium
9 2 (1.71%) Subversion
10 1 (0.85%) FishEye
10 1 (0.85%) Maven
General
1 26 (22.22%) Finance
2 18 (15.38%) Banking
3 9 (7.69%) Front Office
4 4 (3.42%) Retail
5 3 (2.56%) Financial Institution
5 3 (2.56%) Investment Banking
6 2 (1.71%) Multimedia
7 1 (0.85%) Electronics
7 1 (0.85%) Manufacturing
7 1 (0.85%) Marketing
7 1 (0.85%) Telecoms
Job Titles
1 43 (36.75%) Developer
2 29 (24.79%) Administrator
3 22 (18.80%) Hadoop Administrator
3 22 (18.80%) Linux Administrator
4 19 (16.24%) Java Developer
5 18 (15.38%) Data Engineer
6 15 (12.82%) Big Data Engineer
7 14 (11.97%) DevOps Engineer
8 12 (10.26%) Big Data Developer
9 11 (9.40%) Hadoop Engineer
9 11 (9.40%) Linux Systems Administrator
9 11 (9.40%) Systems Administrator
10 7 (5.98%) AWS DevOps
10 7 (5.98%) AWS DevOps Engineer
10 7 (5.98%) AWS Engineer
10 7 (5.98%) Linux/Unix DevOps
11 6 (5.13%) Hadoop Developer
12 5 (4.27%) Architect
12 5 (4.27%) Full Stack Developer
12 5 (4.27%) J2EE Developer
Libraries, Frameworks & Software Standards
1 71 (60.68%) Kafka
2 35 (29.91%) Spring
3 26 (22.22%) REST
4 22 (18.80%) Spring Boot
5 15 (12.82%) J2EE
6 14 (11.97%) Elastic Stack
7 12 (10.26%) Drools
7 12 (10.26%) JSON
7 12 (10.26%) RabbitMQ
8 10 (8.55%) Apache Camel
8 10 (8.55%) Middleware
8 10 (8.55%) Web Services
9 9 (7.69%) Hibernate
10 8 (6.84%) RESTful
11 7 (5.98%) .NET
11 7 (5.98%) JMS
12 5 (4.27%) SOAP
12 5 (4.27%) Zuul
13 4 (3.42%) Apache Tez
14 3 (2.56%) React
Miscellaneous
1 12 (10.26%) Algorithms
2 5 (4.27%) Virtual Team
3 3 (2.56%) Clustering
3 3 (2.56%) Greenfield Project
3 3 (2.56%) Grid Computing
3 3 (2.56%) Linux Command Line
3 3 (2.56%) Management Information System
4 2 (1.71%) Computer Science
4 2 (1.71%) Digital TV
4 2 (1.71%) Enterprise Software
4 2 (1.71%) Linked Data
4 2 (1.71%) Mainframe
4 2 (1.71%) N-Tier
5 1 (0.85%) Analytical Skills
5 1 (0.85%) Cyber Defence
5 1 (0.85%) Cyberthreat
5 1 (0.85%) Fintech
5 1 (0.85%) PKI
5 1 (0.85%) Replication
5 1 (0.85%) Wiki
Operating Systems
1 75 (64.10%) Linux
2 42 (35.90%) Unix
3 27 (23.08%) Red Hat Enterprise Linux
4 24 (20.51%) Ubuntu
5 18 (15.38%) Debian
6 12 (10.26%) CentOS
7 8 (6.84%) Windows
8 6 (5.13%) Fedora
9 3 (2.56%) CoreOS
10 1 (0.85%) Solaris
10 1 (0.85%) Windows Server
Processes & Methodologies
1 49 (41.88%) Agile Software Development
2 34 (29.06%) DevOps
2 34 (29.06%) TDD
3 21 (17.95%) BDD
3 21 (17.95%) Security Hardening
4 19 (16.24%) Performance Tuning
5 18 (15.38%) Desktop Virtualisation
6 17 (14.53%) Microservices
7 12 (10.26%) Data Architecture
7 12 (10.26%) MapReduce
7 12 (10.26%) Scrum
8 11 (9.40%) Continuous Integration
9 10 (8.55%) System Testing
9 10 (8.55%) Unit Testing
10 8 (6.84%) Break/Fix
10 8 (6.84%) Capacity Planning
10 8 (6.84%) JVM Tuning
11 7 (5.98%) Analytics
11 7 (5.98%) Software Engineering
11 7 (5.98%) Test Automation
Programming Languages
1 53 (45.30%) Java
2 48 (41.03%) Python
3 10 (8.55%) Scala
3 10 (8.55%) SQL
4 6 (5.13%) C++
4 6 (5.13%) Go
5 4 (3.42%) JavaScript
5 4 (3.42%) R
6 3 (2.56%) Bash Shell
6 3 (2.56%) ES6
6 3 (2.56%) GraphQL
6 3 (2.56%) Shell Script
7 2 (1.71%) Perl
7 2 (1.71%) PL/SQL
7 2 (1.71%) Ruby
8 1 (0.85%) C
8 1 (0.85%) C#
8 1 (0.85%) PowerShell
Qualifications
1 13 (11.11%) Security Cleared
2 10 (8.55%) SC Cleared
3 7 (5.98%) Degree
4 2 (1.71%) Computer Science Degree
4 2 (1.71%) DBS Check
5 1 (0.85%) CCIE
5 1 (0.85%) Cisco Certification
Quality Assurance & Compliance
1 3 (2.56%) SLA
2 2 (1.71%) QA
System Software
1 61 (52.14%) HDFS
2 32 (27.35%) Docker
3 27 (23.08%) Apache Flume
4 8 (6.84%) Active Directory
5 3 (2.56%) etcd
5 3 (2.56%) flannel
5 3 (2.56%) Oracle RAC
6 1 (0.85%) NFS
Systems Management
1 28 (23.93%) Hadoop YARN
2 26 (22.22%) Oozie
3 25 (21.37%) Ansible
4 21 (17.95%) Puppet
5 18 (15.38%) Mesos
6 16 (13.68%) Kubernetes
7 13 (11.11%) Opscode Chef
8 10 (8.55%) Kibana
9 9 (7.69%) Terraform
10 8 (6.84%) Nagios
11 7 (5.98%) Ambari
12 6 (5.13%) FreeIPA
12 6 (5.13%) logstash
12 6 (5.13%) Marathon
13 3 (2.56%) HAProxy
13 3 (2.56%) Host Intrusion Detection System
13 3 (2.56%) Network Intrusion Detection System
13 3 (2.56%) Prometheus
13 3 (2.56%) rkt
14 2 (1.71%) Graphite
Vendors
1 30 (25.64%) Cloudera
2 15 (12.82%) Hortonworks
3 8 (6.84%) Oracle
3 8 (6.84%) Red Hat
4 5 (4.27%) Sybase
5 4 (3.42%) Tableau
5 4 (3.42%) VMware
6 3 (2.56%) Alteryx
6 3 (2.56%) SAP
6 3 (2.56%) Talend
7 2 (1.71%) MapR
8 1 (0.85%) CyberArk
8 1 (0.85%) Perforce
8 1 (0.85%) Sitecore
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