Period
to 14 December 2017

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 14 December 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 Hadoop
South London > Croydon
6 months to
14 Dec 2017
Same period 2016 Same period 2015
Rank 16 21 44
Rank change year-on-year +5 +23 -
Contract jobs citing Hadoop 119 61 10
As % of all contract IT jobs advertised in Croydon 12.23% 11.32% 2.84%
As % of the Database & Business Intelligence category 37.07% 37.65% 8.40%
Number of daily rates quoted 80 17 5
Croydon median daily rate £538 £400 £525
Median daily rate % change year-on-year +34.38% -23.81% -
10th Percentile £385 £313 £465
90th Percentile £701 £530 £563
South London median daily rate £538 £440 £525
% change year-on-year +22.16% -16.19% -
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 321 162 119
As % of all contract IT jobs advertised in Croydon 32.99% 30.06% 33.81%
Number of daily rates quoted 215 72 70
Croydon median daily rate £538 £400 £400
Median daily rate % change year-on-year +34.38% - -11.11%
10th Percentile £359 £301 £313
90th Percentile £690 £512 £500
South London median daily rate £525 £400 £375
% change year-on-year +31.25% +6.67% -11.76%
Number of hourly rates quoted 0 0 1
Croydon median hourly rate - - £30.00
South London median hourly rate - £32.50 £24.74
% change year-on-year - +31.35% +41.39%

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 14 December 2017.

Contractor daily rate histogram for Hadoop in Croydon

For the 6 months to 14 December 2017, IT contractor jobs citing Hadoop also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for Hadoop.

1 93 (78.15%) Java
1 93 (78.15%) Security Cleared
2 88 (73.95%) SC Cleared
3 83 (69.75%) Big Data
4 71 (59.66%) HBase
5 61 (51.26%) REST
6 57 (47.90%) Spring
6 57 (47.90%) JIRA
7 55 (46.22%) Confluence
8 54 (45.38%) Linux
8 54 (45.38%) HDFS
8 54 (45.38%) Spring Boot
9 53 (44.54%) Kubernetes
9 53 (44.54%) Kerberos
10 52 (43.70%) Agile Software Development
10 52 (43.70%) TDD
11 51 (42.86%) Microservices
12 50 (42.02%) Kafka
12 50 (42.02%) Docker
13 47 (39.50%) PostgreSQL
14 43 (36.13%) Apache Spark
15 42 (35.29%) Continuous Integration
16 39 (32.77%) Scrum
16 39 (32.77%) Algorithms
16 39 (32.77%) Apache Camel
16 39 (32.77%) Jenkins
17 35 (29.41%) Data Architecture
18 34 (28.57%) Apache Solr
18 34 (28.57%) BDD
19 33 (27.73%) Terraform

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 55 (46.22%) Confluence
2 43 (36.13%) Apache Spark
3 34 (28.57%) Apache Solr
4 13 (10.92%) Apache
5 8 (6.72%) Oracle SOA Suite
6 4 (3.36%) Elasticsearch
7 3 (2.52%) Tomcat
8 2 (1.68%) JBoss
8 2 (1.68%) OpenStack
8 2 (1.68%) WebLogic
Business Applications
1 8 (6.72%) Oracle BPM
Cloud Services
1 32 (26.89%) Amazon AWS
2 9 (7.56%) GitHub
3 2 (1.68%) Amazon EC2
3 2 (1.68%) Amazon S3
4 1 (0.84%) Quay.io
Communications & Networking
1 53 (44.54%) Kerberos
2 14 (11.76%) Network Security
3 1 (0.84%) SSL
Database & Business Intelligence
1 83 (69.75%) Big Data
2 71 (59.66%) HBase
3 47 (39.50%) PostgreSQL
4 13 (10.92%) NoSQL
5 8 (6.72%) Oracle Database
6 5 (4.20%) DataStax
7 3 (2.52%) Amazon Redshift
7 3 (2.52%) Apache Hive
7 3 (2.52%) MongoDB
8 2 (1.68%) Amazon DynamoDB
8 2 (1.68%) Amazon RDS
8 2 (1.68%) Data Warehouse
8 2 (1.68%) IBM InfoSphere
9 1 (0.84%) DataStage
Development Applications
1 57 (47.90%) JIRA
2 39 (32.77%) Jenkins
3 30 (25.21%) Cucumber
4 24 (20.17%) IntelliJ
5 17 (14.29%) Git (software)
6 8 (6.72%) Bitbucket
6 8 (6.72%) GitLab
7 3 (2.52%) Maven
8 2 (1.68%) Codeship
8 2 (1.68%) Travis CI
9 1 (0.84%) Artifactory
9 1 (0.84%) Gradle
9 1 (0.84%) Grunt
9 1 (0.84%) Jasmine
9 1 (0.84%) JUnit
9 1 (0.84%) Selenium
9 1 (0.84%) Sublime Text
General
1 3 (2.52%) Electronics
1 3 (2.52%) Finance
1 3 (2.52%) Manufacturing
1 3 (2.52%) Marketing
1 3 (2.52%) Telecoms
Job Titles
1 39 (32.77%) Developer
2 21 (17.65%) Java Developer
3 20 (16.81%) Big Data Developer
4 17 (14.29%) Data Engineer
5 16 (13.45%) Architect
5 16 (13.45%) Big Data Engineer
6 14 (11.76%) Data Architect
7 12 (10.08%) Consultant
8 10 (8.40%) Big Data Architect
8 10 (8.40%) DevOps Engineer
9 9 (7.56%) Hadoop Engineer
10 8 (6.72%) Senior Data Engineer
11 7 (5.88%) SC Cleared Java Developer
12 6 (5.04%) Big Data Consultant
12 6 (5.04%) Data Consultant
12 6 (5.04%) Hadoop Consultant
13 5 (4.20%) AWS DevOps
13 5 (4.20%) AWS DevOps Engineer
13 5 (4.20%) AWS Engineer
14 4 (3.36%) Big Data Specialist
Libraries, Frameworks & Software Standards
1 61 (51.26%) REST
2 57 (47.90%) Spring
3 54 (45.38%) Spring Boot
4 50 (42.02%) Kafka
5 39 (32.77%) Apache Camel
6 24 (20.17%) Drools
7 20 (16.81%) Web Services
8 8 (6.72%) ActiveMQ
9 6 (5.04%) CSS
9 6 (5.04%) CSS3
9 6 (5.04%) HTML
9 6 (5.04%) HTML5
9 6 (5.04%) RESTful
9 6 (5.04%) Samza
10 5 (4.20%) AngularJS
10 5 (4.20%) Guice
10 5 (4.20%) Spark Streaming
11 4 (3.36%) JSON
12 3 (2.52%) Hibernate
12 3 (2.52%) JPA
Miscellaneous
1 39 (32.77%) Algorithms
2 6 (5.04%) Analytical Skills
3 1 (0.84%) Greenfield Project
3 1 (0.84%) User Experience
Operating Systems
1 54 (45.38%) Linux
2 17 (14.29%) Unix
3 4 (3.36%) Red Hat Enterprise Linux
4 2 (1.68%) AIX
4 2 (1.68%) CoreOS
Processes & Methodologies
1 52 (43.70%) Agile Software Development
1 52 (43.70%) TDD
2 51 (42.86%) Microservices
3 42 (35.29%) Continuous Integration
4 39 (32.77%) Scrum
5 35 (29.41%) Data Architecture
6 34 (28.57%) BDD
7 30 (25.21%) DevOps
8 18 (15.13%) Coaching
8 18 (15.13%) Mentoring
9 17 (14.29%) OO
10 14 (11.76%) Performance Tuning
10 14 (11.76%) Security Architecture
10 14 (11.76%) Software Architecture
11 12 (10.08%) Continuous Delivery
12 11 (9.24%) Technical Architecture
13 9 (7.56%) Capacity Planning
14 8 (6.72%) OOD
14 8 (6.72%) SOA
15 7 (5.88%) MapReduce
Programming Languages
1 93 (78.15%) Java
2 14 (11.76%) Scala
2 14 (11.76%) SQL
3 12 (10.08%) Python
4 10 (8.40%) Groovy
5 8 (6.72%) JavaScript
6 7 (5.88%) Ruby
7 6 (5.04%) Bash Shell
8 2 (1.68%) Go
8 2 (1.68%) R
8 2 (1.68%) Shell Script
9 1 (0.84%) C++
9 1 (0.84%) Perl
9 1 (0.84%) PHP
9 1 (0.84%) VBScript
Qualifications
1 93 (78.15%) Security Cleared
2 88 (73.95%) SC Cleared
3 2 (1.68%) CTC Cleared
4 1 (0.84%) DBS Check
4 1 (0.84%) DV Cleared
System Software
1 54 (45.38%) HDFS
2 50 (42.02%) Docker
3 20 (16.81%) Apache ZooKeeper
4 8 (6.72%) vCloud
4 8 (6.72%) VMware Infrastructure
5 1 (0.84%) etcd
5 1 (0.84%) flannel
Systems Management
1 53 (44.54%) Kubernetes
2 33 (27.73%) Terraform
3 30 (25.21%) Ansible
4 21 (17.65%) Puppet
5 10 (8.40%) Ambari
5 10 (8.40%) ZABBIX
6 4 (3.36%) Kibana
7 3 (2.52%) Hadoop YARN
7 3 (2.52%) logstash
7 3 (2.52%) Opscode Chef
8 2 (1.68%) Consul
8 2 (1.68%) Host Intrusion Detection System
8 2 (1.68%) Network Intrusion Detection System
8 2 (1.68%) Packer
9 1 (0.84%) Oozie
9 1 (0.84%) Prometheus
9 1 (0.84%) rkt
Vendors
1 27 (22.69%) Hortonworks
2 10 (8.40%) Oracle
3 9 (7.56%) VMware
4 3 (2.52%) Atlassian
4 3 (2.52%) Red Hat
4 3 (2.52%) SAP
5 2 (1.68%) Google
5 2 (1.68%) Splunk
6 1 (0.84%) IBM
6 1 (0.84%) Informatica
6 1 (0.84%) SaltStack