Period
to 20 November 2017

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 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
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 733 842 843
Rank change year-on-year +109 +1 +2
Contract jobs citing Apache ZooKeeper 146 46 43
As % of all contract IT jobs advertised in the UK 0.14% 0.044% 0.038%
As % of the System Software category 1.14% 0.36% 0.37%
Number of daily rates quoted 94 26 31
UK median daily rate £533 £550 £650
Median daily rate % change year-on-year -3.18% -15.38% +18.18%
10th Percentile £409 £413 £575
90th Percentile £675 £681 £738
UK excluding London median daily rate £500 £500 £425
% change year-on-year - +17.65% +6.25%
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 12857 12848 11682
As % of all contract IT jobs advertised in the UK 12.57% 12.35% 10.21%
Number of daily rates quoted 8345 8050 6665
UK median daily rate £425 £400 £365
Median daily rate % change year-on-year +6.25% +9.59% +8.15%
10th Percentile £158 £173 £158
90th Percentile £606 £575 £550
UK excluding London median daily rate £375 £350 £330
% change year-on-year +7.14% +6.06% +3.13%
Number of hourly rates quoted 722 876 1253
UK median hourly rate £16.50 £16.00 £16.00
Median hourly rate % change year-on-year +3.13% - +6.67%
10th Percentile £10.40 £10.50 £10.00
90th Percentile £46.88 £42.00 £38.75
UK excluding London median hourly rate £15.00 £15.00 £16.00
% change year-on-year - -6.25% +6.67%

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 20 November 2017.

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 20 November 2017. 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 +124 142 £533 -3.18% 9
London +54 97 £550 -4.35% 7
UK excluding London +65 47 £500 - 2
South East +26 34 £500 -9.09% 2
North of England +65 9 £475 -
Yorkshire - 5 £475 -
North West +21 3 £350 -
Scotland - 3 £413 -
Midlands +20 1 - -
East Midlands +2 1 - -
North East - 1 £413 -

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 with a requirement for Apache ZooKeeper.

1 124 (84.93%) Java
2 122 (83.56%) Hadoop
3 120 (82.19%) Kafka
4 110 (75.34%) Big Data
4 110 (75.34%) Apache Spark
5 103 (70.55%) HDFS
6 102 (69.86%) HBase
7 95 (65.07%) TDD
7 95 (65.07%) Spring
8 80 (54.79%) Spring Boot
9 78 (53.42%) BDD
10 74 (50.68%) REST
11 67 (45.89%) Agile Software Development
12 66 (45.21%) Scrum
13 65 (44.52%) Apache Solr
14 64 (43.84%) Linux
15 60 (41.10%) Cucumber
16 59 (40.41%) Data Architecture
16 59 (40.41%) Kerberos
17 58 (39.73%) Drools
17 58 (39.73%) Microservices
18 56 (38.36%) Jenkins
19 51 (34.93%) Ansible
20 50 (34.25%) Apache Camel
20 50 (34.25%) Apache
21 49 (33.56%) Algorithms
22 47 (32.19%) Docker
23 46 (31.51%) Terraform
24 44 (30.14%) PostgreSQL
25 41 (28.08%) Git (software)

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
1 110 (75.34%) Apache Spark
2 65 (44.52%) Apache Solr
3 50 (34.25%) Apache
4 36 (24.66%) Confluence
5 21 (14.38%) Tomcat
6 16 (10.96%) Elasticsearch
7 14 (9.59%) GemFire
8 13 (8.90%) Cloud Foundry
9 8 (5.48%) Apache Pig
10 4 (2.74%) JBoss
11 3 (2.05%) nginx
11 3 (2.05%) Oracle Coherence
12 2 (1.37%) Jetty
13 1 (0.68%) OpenStack
Cloud Services
1 29 (19.86%) GitHub
2 27 (18.49%) Amazon AWS
3 13 (8.90%) PaaS
4 9 (6.16%) AWS CloudFormation
5 4 (2.74%) Cloud Computing
6 2 (1.37%) Amazon CloudWatch
6 2 (1.37%) Amazon EC2
6 2 (1.37%) Amazon S3
6 2 (1.37%) Amazon SQS
6 2 (1.37%) AWS CloudTrail
6 2 (1.37%) Route 53
6 2 (1.37%) Virtual Private Cloud
7 1 (0.68%) Akamai
7 1 (0.68%) Microsoft Azure
7 1 (0.68%) Quay.io
Communications & Networking
1 59 (40.41%) Kerberos
2 6 (4.11%) Firewall
3 4 (2.74%) Network Security
4 2 (1.37%) HTTP
4 2 (1.37%) LDAP
4 2 (1.37%) SSL
4 2 (1.37%) ZigBee
5 1 (0.68%) DNS
Database & Business Intelligence
1 122 (83.56%) Hadoop
2 110 (75.34%) Big Data
3 102 (69.86%) HBase
4 44 (30.14%) PostgreSQL
5 28 (19.18%) Apache Hive
6 19 (13.01%) Apache Cassandra
7 14 (9.59%) DataStax
8 13 (8.90%) OLTP
9 12 (8.22%) NoSQL
10 9 (6.16%) MySQL
11 8 (5.48%) MongoDB
11 8 (5.48%) Parquet
11 8 (5.48%) Relational Database
12 6 (4.11%) Redis
13 5 (3.42%) Spark SQL
14 4 (2.74%) Amazon DynamoDB
14 4 (2.74%) DB2
14 4 (2.74%) Impala
14 4 (2.74%) Sqoop
15 3 (2.05%) SQLite
Development Applications
1 60 (41.10%) Cucumber
2 56 (38.36%) Jenkins
3 41 (28.08%) Git (software)
4 40 (27.40%) JIRA
5 19 (13.01%) Gradle
5 19 (13.01%) IntelliJ
6 15 (10.27%) JUnit
7 10 (6.85%) Maven
8 8 (5.48%) GitLab
9 7 (4.79%) Grunt
9 7 (4.79%) gulp
9 7 (4.79%) TeamCity
10 5 (3.42%) SonarQube
11 4 (2.74%) Artifactory
11 4 (2.74%) FishEye
11 4 (2.74%) Subversion
12 3 (2.05%) Visual Studio
13 2 (1.37%) Vagrant
14 1 (0.68%) Atlassian Bamboo
14 1 (0.68%) webpack
General
1 39 (26.71%) Finance
2 11 (7.53%) Electronics
2 11 (7.53%) Manufacturing
2 11 (7.53%) Marketing
2 11 (7.53%) Telecoms
3 8 (5.48%) Banking
4 5 (3.42%) Investment Banking
5 4 (2.74%) Front Office
6 2 (1.37%) Retail Banking
7 1 (0.68%) Games
Job Titles
1 78 (53.42%) Developer
2 42 (28.77%) Java Developer
3 41 (28.08%) Data Engineer
4 32 (21.92%) Big Data Engineer
5 31 (21.23%) Big Data Developer
6 16 (10.96%) Hadoop Developer
6 16 (10.96%) Hadoop Engineer
7 12 (8.22%) Senior Data Engineer
8 10 (6.85%) Full Stack Developer
9 9 (6.16%) DevOps Engineer
10 8 (5.48%) Scala Developer
11 7 (4.79%) Senior Developer
12 6 (4.11%) Apache Spark Developer
12 6 (4.11%) Senior Scala Developer
13 5 (3.42%) Senior Software Engineer
13 5 (3.42%) Software Engineer
14 4 (2.74%) Administrator
14 4 (2.74%) Java Hadoop Developer
14 4 (2.74%) Python Developer
14 4 (2.74%) Senior Hadoop Engineer
Libraries, Frameworks & Software Standards
1 120 (82.19%) Kafka
2 95 (65.07%) Spring
3 80 (54.79%) Spring Boot
4 74 (50.68%) REST
5 58 (39.73%) Drools
6 50 (34.25%) Apache Camel
7 31 (21.23%) JSON
8 30 (20.55%) J2EE
8 30 (20.55%) Middleware
8 30 (20.55%) RabbitMQ
9 28 (19.18%) RESTful
10 17 (11.64%) Spark Streaming
11 14 (9.59%) Spring Integration
11 14 (9.59%) TinkerPop
12 12 (8.22%) Apache Avro
13 10 (6.85%) Web Services
14 8 (5.48%) React
14 8 (5.48%) ZeroMQ
15 6 (4.11%) Redux
15 6 (4.11%) Samza
Miscellaneous
1 49 (33.56%) Algorithms
2 21 (14.38%) Linux Command Line
3 20 (13.70%) Virtual Team
4 13 (8.90%) Replication
5 10 (6.85%) Analytical Skills
6 8 (5.48%) Greenfield Project
7 6 (4.11%) Data Structures
8 5 (3.42%) Interest Rate Derivative
9 4 (2.74%) Derivative
9 4 (2.74%) PKI
10 3 (2.05%) Credit Risk
10 3 (2.05%) Market Risk
11 2 (1.37%) Minimum Viable Product
12 1 (0.68%) Blog
12 1 (0.68%) Clustering
12 1 (0.68%) Grid Computing
12 1 (0.68%) Management Information System
Operating Systems
1 64 (43.84%) Linux
2 40 (27.40%) Unix
3 18 (12.33%) Red Hat Enterprise Linux
4 10 (6.85%) Windows
5 4 (2.74%) Solaris
5 4 (2.74%) Ubuntu
6 3 (2.05%) Debian
7 2 (1.37%) Android
7 2 (1.37%) Apple iOS
7 2 (1.37%) CoreOS
8 1 (0.68%) CentOS
8 1 (0.68%) Mac OS X
Processes & Methodologies
1 95 (65.07%) TDD
2 78 (53.42%) BDD
3 67 (45.89%) Agile Software Development
4 66 (45.21%) Scrum
5 59 (40.41%) Data Architecture
6 58 (39.73%) Microservices
7 36 (24.66%) Unit Testing
8 30 (20.55%) DevOps
9 28 (19.18%) MapReduce
9 28 (19.18%) System Testing
10 22 (15.07%) Continuous Integration
11 18 (12.33%) Benchmarking
12 16 (10.96%) Business Intelligence
13 14 (9.59%) Acceptance Criteria
13 14 (9.59%) Performance Tuning
14 13 (8.90%) ETL
14 13 (8.90%) User Stories
14 13 (8.90%) Validation
15 12 (8.22%) OO
16 11 (7.53%) OOD
Programming Languages
1 124 (84.93%) Java
2 32 (21.92%) Python
3 29 (19.86%) SQL
4 27 (18.49%) Scala
5 18 (12.33%) Shell Script
6 10 (6.85%) Bash Shell
7 9 (6.16%) C++
7 9 (6.16%) JavaScript
8 7 (4.79%) ES6
9 4 (2.74%) C#
9 4 (2.74%) PowerShell
10 3 (2.05%) Ruby
11 2 (1.37%) COBOL
11 2 (1.37%) Go
11 2 (1.37%) TypeScript
12 1 (0.68%) C
Qualifications
1 41 (28.08%) Security Cleared
2 37 (25.34%) SC Cleared
3 17 (11.64%) Degree
4 6 (4.11%) DBS Check
5 1 (0.68%) CTC Cleared
Quality Assurance & Compliance
1 17 (11.64%) QA
2 1 (0.68%) MiFID
2 1 (0.68%) SLA
System Software
1 103 (70.55%) HDFS
2 47 (32.19%) Docker
3 8 (5.48%) etcd
4 6 (4.11%) Varnish
5 4 (2.74%) Active Directory
5 4 (2.74%) Apache Flume
5 4 (2.74%) NFS
6 2 (1.37%) Firmware
6 2 (1.37%) VirtualBox
7 1 (0.68%) flannel
7 1 (0.68%) Oracle RAC
Systems Management
1 51 (34.93%) Ansible
2 46 (31.51%) Terraform
3 41 (28.08%) Kubernetes
4 21 (14.38%) Hadoop YARN
5 17 (11.64%) Puppet
6 9 (6.16%) Mesos
6 9 (6.16%) Opscode Chef
7 7 (4.79%) Consul
8 5 (3.42%) Ambari
8 5 (3.42%) Oozie
9 4 (2.74%) Kibana
9 4 (2.74%) logstash
9 4 (2.74%) Netcool
9 4 (2.74%) SCOM
9 4 (2.74%) WMI
10 3 (2.05%) HAProxy
10 3 (2.05%) Nagios
10 3 (2.05%) Packer
11 2 (1.37%) Grafana
11 2 (1.37%) Host Intrusion Detection System
Vendors
1 22 (15.07%) Hortonworks
2 18 (12.33%) Red Hat
3 17 (11.64%) Oracle
4 11 (7.53%) SAP
5 8 (5.48%) Cloudera
6 4 (2.74%) CyberArk
6 4 (2.74%) Google
6 4 (2.74%) Perforce
6 4 (2.74%) Sybase
7 3 (2.05%) MapR
7 3 (2.05%) Palantir
7 3 (2.05%) SaltStack
8 2 (1.37%) New Relic
9 1 (0.68%) Atlassian
9 1 (0.68%) hybris
9 1 (0.68%) VMware