Period
to 16 July 2018

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Hadoop skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Hadoop over the 6 months to 16 July 2018 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 Hadoop
South London > Croydon
6 months to
16 Jul 2018
Same period 2017 Same period 2016
Rank 44 21 51
Rank change year-on-year -23 +30 -11
Contract jobs citing Hadoop 67 47 13
As % of all contract IT jobs advertised in Croydon 5.96% 11.81% 2.41%
As % of the Database & Business Intelligence category 21.00% 36.72% 11.82%
Number of daily rates quoted 48 30 5
Croydon median daily rate £550 £525 £325
Median daily rate % change year-on-year +4.76% +61.54% -38.10%
10th Percentile £421 £398 £306
90th Percentile £613 £645 £420
South London median daily rate £550 £525 £325
% change year-on-year +4.76% +61.54% -38.10%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

Hadoop is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Croydon
Contract vacancies with a requirement for database or business intelligence skills 319 128 110
As % of all contract IT jobs advertised in Croydon 28.36% 32.16% 20.41%
Number of daily rates quoted 226 60 64
Croydon median daily rate £525 £500 £418
Median daily rate % change year-on-year +5.00% +19.76% +9.87%
10th Percentile £395 £377 £316
90th Percentile £613 £603 £521
South London median daily rate £525 £450 £425
% change year-on-year +16.67% +5.88% +21.43%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate £36.50 £47.00 £27.50
% change year-on-year -22.34% +70.91% -47.29%

Hadoop
Job Vacancy Trend in Croydon

Job postings citing Hadoop as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Hadoop in Croydon

Hadoop
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for Hadoop in Croydon

Hadoop
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Hadoop in Croydon over the 6 months to 16 July 2018.

Contractor daily rate histogram for Hadoop in Croydon

For the 6 months to 16 July 2018, IT contractor jobs citing Hadoop 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 across the Croydon region with a requirement for Hadoop.

1 55 (82.09%) Security Cleared
2 46 (68.66%) Docker
3 44 (65.67%) Kubernetes
4 39 (58.21%) Agile Software Development
5 37 (55.22%) DevOps
6 36 (53.73%) SC Cleared
7 32 (47.76%) Ansible
8 29 (43.28%) Big Data
8 29 (43.28%) Terraform
9 27 (40.30%) Amazon AWS
9 27 (40.30%) Puppet
10 26 (38.81%) Kafka
11 24 (35.82%) HBase
12 23 (34.33%) Groovy
12 23 (34.33%) Java
12 23 (34.33%) PostgreSQL
13 21 (31.34%) Linux
14 18 (26.87%) Opscode Chef
15 16 (23.88%) Apache Spark
16 15 (22.39%) Elasticsearch
16 15 (22.39%) Open Source
16 15 (22.39%) Microsoft Azure
17 13 (19.40%) TDD
17 13 (19.40%) JIRA
17 13 (19.40%) Microservices
18 12 (17.91%) Confluence
18 12 (17.91%) HDFS
18 12 (17.91%) Python
19 11 (16.42%) Spring
19 11 (16.42%) Data Architecture

Hadoop
Co-occurring IT Skills in Croydon 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 16 (23.88%) Apache Spark
2 15 (22.39%) Elasticsearch
3 12 (17.91%) Confluence
4 8 (11.94%) Apache Solr
5 6 (8.96%) nginx
6 4 (5.97%) JBoss
6 4 (5.97%) Tomcat
7 3 (4.48%) Jetty
7 3 (4.48%) Oracle Self-Service HR
7 3 (4.48%) WebLogic
8 2 (2.99%) Apache Pig
9 1 (1.49%) Oracle SOA Suite
Applications
1 3 (4.48%) Microsoft Excel
Business Applications
1 1 (1.49%) Oracle BPM
Cloud Services
1 27 (40.30%) Amazon AWS
2 15 (22.39%) Microsoft Azure
3 5 (7.46%) GitHub
Communications & Networking
1 8 (11.94%) Kerberos
2 6 (8.96%) DNS
3 4 (5.97%) Firewall
4 3 (4.48%) SSH
4 3 (4.48%) WAN
5 2 (2.99%) ICMP
5 2 (2.99%) TCP/IP
5 2 (2.99%) VPN
6 1 (1.49%) OpenLDAP
Database & Business Intelligence
1 29 (43.28%) Big Data
2 24 (35.82%) HBase
3 23 (34.33%) PostgreSQL
4 5 (7.46%) MongoDB
4 5 (7.46%) MySQL
4 5 (7.46%) Neo4j
5 4 (5.97%) Oracle Database
5 4 (5.97%) Relational Database
6 3 (4.48%) Data Warehouse
6 3 (4.48%) DataStage
7 2 (2.99%) Amazon Redshift
7 2 (2.99%) Apache Hive
7 2 (2.99%) Flink
7 2 (2.99%) Redis
8 1 (1.49%) Oracle Reports
Development Applications
1 13 (19.40%) JIRA
2 10 (14.93%) Cucumber
2 10 (14.93%) IntelliJ
2 10 (14.93%) Jenkins
3 9 (13.43%) Git (software)
4 7 (10.45%) Artifactory
5 6 (8.96%) Burp Suite
6 5 (7.46%) GitLab
6 5 (7.46%) Maven
7 3 (4.48%) Ant
7 3 (4.48%) Atlassian Bamboo
7 3 (4.48%) ClearCase
7 3 (4.48%) Eclipse
7 3 (4.48%) Gradle
7 3 (4.48%) JUnit
7 3 (4.48%) Mercurial
7 3 (4.48%) Poseidon for UML
7 3 (4.48%) Selenium
7 3 (4.48%) Subversion
7 3 (4.48%) Vagrant
Job Titles
1 19 (28.36%) Consultant
1 19 (28.36%) DevOps Consultant
2 18 (26.87%) Kubernetes Consultant
3 13 (19.40%) Developer
4 11 (16.42%) Java Developer
5 8 (11.94%) Architect
6 7 (10.45%) SC Cleared Java Developer
6 7 (10.45%) Tester
7 6 (8.96%) DevOps Engineer
7 6 (8.96%) Penetration Tester
8 4 (5.97%) Analyst
8 4 (5.97%) Test Analyst
9 3 (4.48%) Applications Architect
9 3 (4.48%) Big Data Analyst
9 3 (4.48%) Data Analyst
9 3 (4.48%) Data Architect
9 3 (4.48%) SC Cleared Test Analyst
9 3 (4.48%) Technical Leader
10 2 (2.99%) Big Data Engineer
10 2 (2.99%) Big Data Solutions Architect
Libraries, Frameworks & Software Standards
1 26 (38.81%) Kafka
2 11 (16.42%) Apache Camel
2 11 (16.42%) Spring
3 9 (13.43%) REST
4 8 (11.94%) Spring Boot
5 7 (10.45%) Drools
5 7 (10.45%) Elastic Stack
6 6 (8.96%) Node.js
7 5 (7.46%) ActiveMQ
7 5 (7.46%) Hibernate
7 5 (7.46%) JSON
7 5 (7.46%) Samza
8 3 (4.48%) GWT
8 3 (4.48%) HTML
8 3 (4.48%) JMS
8 3 (4.48%) jQuery
8 3 (4.48%) RabbitMQ
8 3 (4.48%) React
8 3 (4.48%) STL
8 3 (4.48%) XML
Miscellaneous
1 8 (11.94%) Algorithms
2 5 (7.46%) CESG
3 4 (5.97%) PKI
4 3 (4.48%) Data Centre
4 3 (4.48%) Derivative
4 3 (4.48%) User Experience
5 2 (2.99%) Public Cloud
6 1 (1.49%) Analytical Skills
Operating Systems
1 21 (31.34%) Linux
2 9 (13.43%) CoreOS
3 4 (5.97%) CentOS
3 4 (5.97%) Red Hat Enterprise Linux
4 3 (4.48%) Android
4 3 (4.48%) Apple iOS
4 3 (4.48%) Debian
4 3 (4.48%) Mac OS X
4 3 (4.48%) Ubuntu
4 3 (4.48%) Windows
5 1 (1.49%) Unix
Processes & Methodologies
1 39 (58.21%) Agile Software Development
2 37 (55.22%) DevOps
3 15 (22.39%) Open Source
4 13 (19.40%) Microservices
4 13 (19.40%) TDD
5 11 (16.42%) Data Architecture
6 10 (14.93%) BDD
6 10 (14.93%) Mentoring
6 10 (14.93%) Problem-Solving
7 8 (11.94%) Data Development
8 7 (10.45%) Configuration Management
8 7 (10.45%) Security Hardening
9 6 (8.96%) Coaching
9 6 (8.96%) Load Balancing
9 6 (8.96%) Penetration Testing
9 6 (8.96%) Test Automation
9 6 (8.96%) Visualisation
10 5 (7.46%) Continuous Integration
10 5 (7.46%) Forensic Analysis
10 5 (7.46%) Scrum
Programming Languages
1 23 (34.33%) Groovy
1 23 (34.33%) Java
2 12 (17.91%) Python
3 11 (16.42%) Java 8
4 9 (13.43%) SQL
5 8 (11.94%) Bash Shell
5 8 (11.94%) Scala
6 6 (8.96%) JavaScript
7 5 (7.46%) Ruby
8 3 (4.48%) C++
8 3 (4.48%) Clojure
8 3 (4.48%) ClojureScript
8 3 (4.48%) Perl
8 3 (4.48%) PL/SQL
8 3 (4.48%) Shell Script
8 3 (4.48%) T-SQL
8 3 (4.48%) VBA
9 2 (2.99%) C
9 2 (2.99%) Go
Qualifications
1 55 (82.09%) Security Cleared
2 36 (53.73%) SC Cleared
3 5 (7.46%) CHECK Team Member
3 5 (7.46%) DV Cleared
4 1 (1.49%) CTC Cleared
System Software
1 46 (68.66%) Docker
2 12 (17.91%) HDFS
3 5 (7.46%) Apache ZooKeeper
Systems Management
1 44 (65.67%) Kubernetes
2 32 (47.76%) Ansible
3 29 (43.28%) Terraform
4 27 (40.30%) Puppet
5 18 (26.87%) Opscode Chef
6 7 (10.45%) Host Intrusion Detection System
6 7 (10.45%) Network Intrusion Detection System
6 7 (10.45%) Prometheus
6 7 (10.45%) Sysdig
7 6 (8.96%) HAProxy
7 6 (8.96%) Nessus
8 5 (7.46%) Kibana
8 5 (7.46%) logstash
9 3 (4.48%) Ambari
9 3 (4.48%) Oozie
9 3 (4.48%) Salt
10 2 (2.99%) Consul
10 2 (2.99%) Hadoop YARN
10 2 (2.99%) ZABBIX
Vendors
1 9 (13.43%) Hortonworks
2 5 (7.46%) Oracle
3 4 (5.97%) IBM
4 3 (4.48%) Cloudera
4 3 (4.48%) Microsoft
4 3 (4.48%) Red Hat
4 3 (4.48%) Sybase
5 1 (1.49%) ServiceNow
5 1 (1.49%) Sun
5 1 (1.49%) Teradata