Period
to 16 November 2018

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for HDFS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited HDFS over the 6 months to 16 November 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.

Hadoop Distributed File System (HDFS)
South London > Croydon
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 78 44 67
Rank change year-on-year -34 +23 -14
Contract jobs citing HDFS 41 55 6
As % of all contract IT jobs advertised in Croydon 3.53% 6.52% 1.08%
As % of the System Software category 9.74% 27.50% 3.51%
Number of daily rates quoted 34 37 0
Croydon median daily rate £525 £540 -
Median daily rate % change year-on-year -2.78% - -
South London median daily rate £525 £550 £575
% change year-on-year -4.55% -4.35% +9.52%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

HDFS is in the System Software 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 system software skills.

All System Software Skills
Croydon
Contract vacancies with a requirement for system software skills 421 200 171
As % of all contract IT jobs advertised in Croydon 36.29% 23.70% 30.92%
Number of daily rates quoted 327 131 74
Croydon median daily rate £525 £500 £459
Median daily rate % change year-on-year +5.00% +8.99% +0.82%
10th Percentile £413 £363 £313
90th Percentile £604 £638 £532
South London median daily rate £525 £525 £465
% change year-on-year - +12.90% +11.04%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £43.22 £47.83 £47.83
% change year-on-year -9.63% - +181.35%

HDFS
Job Vacancy Trend in Croydon

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

Job vacancy trend for HDFS in Croydon

HDFS
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for HDFS in Croydon

HDFS
Contractor Daily Rate Histogram in Croydon

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

Contractor daily rate histogram for HDFS in Croydon

For the 6 months to 16 November 2018, IT contractor jobs citing HDFS 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 HDFS.

1 41 (100.00%) Big Data
2 36 (87.80%) Ansible
3 35 (85.37%) Hadoop
4 31 (75.61%) Agile Software Development
5 29 (70.73%) Python
5 29 (70.73%) Bash Shell
5 29 (70.73%) Jenkins
5 29 (70.73%) Hadoop YARN
6 24 (58.54%) Shell Script
7 23 (56.10%) Unix
7 23 (56.10%) Windows
7 23 (56.10%) Microsoft Excel
7 23 (56.10%) MS Visio
7 23 (56.10%) ETL
7 23 (56.10%) SQL
7 23 (56.10%) Oracle
7 23 (56.10%) SQL Server
7 23 (56.10%) Data Analysis
7 23 (56.10%) Scrum
7 23 (56.10%) Wiki
7 23 (56.10%) Continuous Integration
7 23 (56.10%) Data Extraction
7 23 (56.10%) Korn
7 23 (56.10%) Opscode Chef
7 23 (56.10%) Cloudera
7 23 (56.10%) Build Automation
7 23 (56.10%) Sqoop
7 23 (56.10%) Puppet
7 23 (56.10%) Apache Hive
7 23 (56.10%) Amazon EC2

HDFS
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 (39.02%) Confluence
2 11 (26.83%) Apache Solr
3 8 (19.51%) Apache Spark
4 6 (14.63%) Elasticsearch
Applications
1 23 (56.10%) Microsoft Excel
1 23 (56.10%) MS Visio
Cloud Services
1 23 (56.10%) Amazon AWS
1 23 (56.10%) Amazon EC2
1 23 (56.10%) Amazon S3
1 23 (56.10%) Virtual Private Cloud
2 3 (7.32%) GitHub
Communications & Networking
1 11 (26.83%) Kerberos
Database & Business Intelligence
1 41 (100.00%) Big Data
2 35 (85.37%) Hadoop
3 23 (56.10%) Apache Hive
3 23 (56.10%) Impala
3 23 (56.10%) SQL Server
3 23 (56.10%) Sqoop
4 18 (43.90%) HBase
5 7 (17.07%) PostgreSQL
6 1 (2.44%) DataStage
Development Applications
1 29 (70.73%) Jenkins
2 16 (39.02%) JIRA
3 10 (24.39%) Cucumber
3 10 (24.39%) IntelliJ
4 6 (14.63%) Git (software)
5 3 (7.32%) GitLab
6 1 (2.44%) JUnit
Job Titles
1 23 (56.10%) Platform Engineer
2 17 (41.46%) Developer
3 16 (39.02%) Java Developer
4 8 (19.51%) SC Cleared Java Developer
5 3 (7.32%) Big Data Developer
6 1 (2.44%) Tester
Libraries, Frameworks & Software Standards
1 17 (41.46%) Kafka
2 11 (26.83%) Spring
2 11 (26.83%) Spring Boot
3 7 (17.07%) Apache Camel
3 7 (17.07%) Drools
3 7 (17.07%) REST
Miscellaneous
1 23 (56.10%) Wiki
2 8 (19.51%) Algorithms
Operating Systems
1 23 (56.10%) Unix
1 23 (56.10%) Windows
2 11 (26.83%) Linux
Processes & Methodologies
1 31 (75.61%) Agile Software Development
2 23 (56.10%) Build Automation
2 23 (56.10%) Continuous Integration
2 23 (56.10%) Data Analysis
2 23 (56.10%) Data Extraction
2 23 (56.10%) ETL
2 23 (56.10%) Scrum
2 23 (56.10%) Test Automation
3 10 (24.39%) BDD
3 10 (24.39%) Microservices
3 10 (24.39%) TDD
4 8 (19.51%) Data Development
4 8 (19.51%) Mentoring
4 8 (19.51%) Problem-Solving
4 8 (19.51%) Systems Engineering
5 7 (17.07%) Data Architecture
6 6 (14.63%) Coaching
7 3 (7.32%) DevOps
8 1 (2.44%) MapReduce
8 1 (2.44%) Validation
Programming Languages
1 29 (70.73%) Bash Shell
1 29 (70.73%) Python
2 24 (58.54%) Shell Script
3 23 (56.10%) Korn
3 23 (56.10%) PowerShell
3 23 (56.10%) SQL
4 18 (43.90%) Java
5 11 (26.83%) Java 8
6 1 (2.44%) Scala
Qualifications
1 16 (39.02%) Security Cleared
2 15 (36.59%) SC Cleared
3 2 (4.88%) DV Cleared
System Software
1 16 (39.02%) Docker
2 3 (7.32%) Apache ZooKeeper
Systems Management
1 36 (87.80%) Ansible
2 29 (70.73%) Hadoop YARN
3 23 (56.10%) Opscode Chef
3 23 (56.10%) Puppet
4 16 (39.02%) Kubernetes
5 7 (17.07%) Terraform
6 1 (2.44%) Oozie
Vendors
1 23 (56.10%) Cloudera
1 23 (56.10%) Oracle
2 1 (2.44%) Hyland
2 1 (2.44%) SAP