Period
to 20 October 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 20 October 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
20 Oct 2018
Same period 2017 Same period 2016
Rank 35 18 29
Rank change year-on-year -17 +11 +13
Contract jobs citing Hadoop 99 103 48
As % of all contract IT jobs advertised in Croydon 8.24% 14.33% 8.73%
As % of the Database & Business Intelligence category 24.57% 37.87% 29.45%
Number of daily rates quoted 88 65 17
Croydon median daily rate £525 £538 £360
Median daily rate % change year-on-year -2.33% +49.31% -31.43%
10th Percentile £513 £378 £313
90th Percentile £588 £704 £494
South London median daily rate £525 £538 £380
% change year-on-year -2.33% +41.45% -27.62%
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 403 272 163
As % of all contract IT jobs advertised in Croydon 33.53% 37.83% 29.64%
Number of daily rates quoted 320 166 84
Croydon median daily rate £525 £525 £400
Median daily rate % change year-on-year - +31.25% +4.23%
10th Percentile £409 £363 £307
90th Percentile £588 £645 £499
South London median daily rate £525 £508 £400
% change year-on-year +3.45% +26.88% +14.29%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £35.00 - £31.77

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 20 October 2018.

Contractor daily rate histogram for Hadoop in Croydon

For the 6 months to 20 October 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 85 (85.86%) Ansible
2 77 (77.78%) Puppet
3 76 (76.77%) Opscode Chef
4 73 (73.74%) Agile Software Development
5 71 (71.72%) Docker
6 70 (70.71%) Kubernetes
7 68 (68.69%) Security Cleared
8 64 (64.65%) Terraform
9 63 (63.64%) DevOps
10 54 (54.55%) Groovy
11 41 (41.41%) Big Data
12 32 (32.32%) HDFS
13 30 (30.30%) Amazon AWS
14 29 (29.29%) Jenkins
15 26 (26.26%) SQL
16 25 (25.25%) Python
16 25 (25.25%) Scrum
16 25 (25.25%) Apache Hive
16 25 (25.25%) Test Automation
17 24 (24.24%) Continuous Integration
17 24 (24.24%) Bash Shell
17 24 (24.24%) ETL
17 24 (24.24%) Oracle
17 24 (24.24%) Unix
17 24 (24.24%) Shell Script
17 24 (24.24%) Build Automation
17 24 (24.24%) Hadoop YARN
18 23 (23.23%) Virtual Private Cloud
18 23 (23.23%) Impala
18 23 (23.23%) Windows

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 10 (10.10%) Confluence
2 9 (9.09%) Apache Spark
3 8 (8.08%) Apache Solr
4 3 (3.03%) Elasticsearch
5 2 (2.02%) Apache Pig
6 1 (1.01%) nginx
6 1 (1.01%) Oracle SOA Suite
Applications
1 23 (23.23%) Microsoft Excel
1 23 (23.23%) MS Visio
Business Applications
1 1 (1.01%) Oracle BPM
Cloud Services
1 30 (30.30%) Amazon AWS
2 23 (23.23%) Amazon EC2
2 23 (23.23%) Amazon S3
2 23 (23.23%) Virtual Private Cloud
3 1 (1.01%) Microsoft Azure
3 1 (1.01%) PaaS
3 1 (1.01%) SaaS
Communications & Networking
1 8 (8.08%) Kerberos
2 5 (5.05%) DNS
3 4 (4.04%) Firewall
4 3 (3.03%) WAN
5 1 (1.01%) ICMP
5 1 (1.01%) TCP/IP
5 1 (1.01%) VPN
Database & Business Intelligence
1 41 (41.41%) Big Data
2 25 (25.25%) Apache Hive
3 23 (23.23%) Impala
3 23 (23.23%) SQL Server
3 23 (23.23%) Sqoop
4 15 (15.15%) HBase
5 9 (9.09%) PostgreSQL
6 2 (2.02%) Amazon Redshift
7 1 (1.01%) Apache Cassandra
7 1 (1.01%) Data Warehouse
7 1 (1.01%) DataStage
7 1 (1.01%) Flink
7 1 (1.01%) MongoDB
7 1 (1.01%) MySQL
7 1 (1.01%) Neo4j
7 1 (1.01%) Oracle Database
7 1 (1.01%) Redis
Development Applications
1 29 (29.29%) Jenkins
2 11 (11.11%) JIRA
3 7 (7.07%) Cucumber
3 7 (7.07%) IntelliJ
4 2 (2.02%) Bitbucket
5 1 (1.01%) Artifactory
5 1 (1.01%) Git (software)
5 1 (1.01%) JUnit
5 1 (1.01%) SonarQube
Job Titles
1 53 (53.54%) Consultant
1 53 (53.54%) DevOps Consultant
2 52 (52.53%) Kubernetes Consultant
3 25 (25.25%) Platform Engineer
4 10 (10.10%) Developer
4 10 (10.10%) Java Developer
5 6 (6.06%) SC Cleared Java Developer
6 3 (3.03%) Architect
7 2 (2.02%) Big Data Engineer
7 2 (2.02%) Infrastructure Engineer
7 2 (2.02%) Security Architect
7 2 (2.02%) Tester
8 1 (1.01%) AWS Architect
8 1 (1.01%) AWS DevOps
8 1 (1.01%) AWS DevOps Engineer
8 1 (1.01%) AWS Engineer
8 1 (1.01%) Big Data Analyst
8 1 (1.01%) Data Engineer
8 1 (1.01%) Kubernetes Engineer
8 1 (1.01%) SC Cleared Test Analyst
Libraries, Frameworks & Software Standards
1 16 (16.16%) Kafka
2 9 (9.09%) REST
3 8 (8.08%) Spring
3 8 (8.08%) Spring Boot
4 7 (7.07%) Apache Camel
4 7 (7.07%) Drools
5 4 (4.04%) Keycloak
6 3 (3.03%) Samza
7 2 (2.02%) Hibernate
7 2 (2.02%) JPA
7 2 (2.02%) JSON
7 2 (2.02%) JSON Schema
7 2 (2.02%) Web Services
8 1 (1.01%) ActiveMQ
8 1 (1.01%) Elastic Stack
8 1 (1.01%) LEMP Stack
Miscellaneous
1 23 (23.23%) Wiki
2 8 (8.08%) Algorithms
3 4 (4.04%) PKI
4 3 (3.03%) Data Centre
5 1 (1.01%) Analytical Skills
5 1 (1.01%) Management Information System
5 1 (1.01%) Public Cloud
Operating Systems
1 24 (24.24%) Unix
2 23 (23.23%) Windows
3 10 (10.10%) Linux
4 4 (4.04%) CoreOS
Processes & Methodologies
1 73 (73.74%) Agile Software Development
2 63 (63.64%) DevOps
3 25 (25.25%) Scrum
3 25 (25.25%) Test Automation
4 24 (24.24%) Build Automation
4 24 (24.24%) Continuous Integration
4 24 (24.24%) ETL
5 23 (23.23%) Data Analysis
5 23 (23.23%) Data Extraction
6 14 (14.14%) Microservices
7 9 (9.09%) BDD
7 9 (9.09%) Mentoring
7 9 (9.09%) Problem-Solving
7 9 (9.09%) TDD
8 8 (8.08%) Data Development
9 7 (7.07%) Data Architecture
10 6 (6.06%) Coaching
11 5 (5.05%) Load Balancing
11 5 (5.05%) Open Source
12 2 (2.02%) Security Architecture
Programming Languages
1 54 (54.55%) Groovy
2 26 (26.26%) SQL
3 25 (25.25%) Python
4 24 (24.24%) Bash Shell
4 24 (24.24%) Shell Script
5 23 (23.23%) Korn
5 23 (23.23%) PowerShell
6 13 (13.13%) Java
7 10 (10.10%) Java 8
8 2 (2.02%) Go
8 2 (2.02%) Scala
9 1 (1.01%) Ruby
Qualifications
1 68 (68.69%) Security Cleared
2 16 (16.16%) SC Cleared
3 2 (2.02%) AWS Certification
3 2 (2.02%) DV Cleared
4 1 (1.01%) CISMP
4 1 (1.01%) CISSP
System Software
1 71 (71.72%) Docker
2 32 (32.32%) HDFS
3 1 (1.01%) VMware Infrastructure
Systems Management
1 85 (85.86%) Ansible
2 77 (77.78%) Puppet
3 76 (76.77%) Opscode Chef
4 70 (70.71%) Kubernetes
5 64 (64.65%) Terraform
6 24 (24.24%) Hadoop YARN
7 3 (3.03%) Sysdig
8 2 (2.02%) Ambari
9 1 (1.01%) Consul
9 1 (1.01%) HAProxy
9 1 (1.01%) Host Intrusion Detection System
9 1 (1.01%) Network Intrusion Detection System
9 1 (1.01%) Oozie
9 1 (1.01%) Prometheus
9 1 (1.01%) ZABBIX
Vendors
1 24 (24.24%) Oracle
2 23 (23.23%) Cloudera
3 1 (1.01%) Atlassian
3 1 (1.01%) SaltStack
3 1 (1.01%) ServiceNow
3 1 (1.01%) Sun
3 1 (1.01%) VMware