Period
to 16 January 2019

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 January 2019 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 Jan 2019
Same period 2018 Same period 2017
Rank 77 60 65
Rank change year-on-year -17 +5 -
Contract jobs citing HDFS 33 42 10
As % of all contract IT jobs advertised in Croydon 3.19% 4.07% 1.96%
As % of the System Software category 8.78% 19.00% 5.62%
Number of daily rates quoted 29 29 0
Croydon median daily rate £525 £538 -
Median daily rate % change year-on-year -2.33% - -
South London median daily rate £525 £545 £575
% change year-on-year -3.67% -5.22% -
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 376 221 178
As % of all contract IT jobs advertised in Croydon 36.36% 21.39% 34.97%
Number of daily rates quoted 305 142 68
Croydon median daily rate £525 £505 £475
Median daily rate % change year-on-year +3.96% +6.32% +4.40%
10th Percentile £425 £313 £313
90th Percentile £600 £686 £541
South London median daily rate £525 £525 £473
% change year-on-year - +11.11% +5.00%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £44.18 £47.83 £47.00
% change year-on-year -7.63% +1.77% +235.71%

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 January 2019.

Contractor daily rate histogram for HDFS in Croydon

For the 6 months to 16 January 2019, 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 33 (100.00%) Big Data
2 32 (96.97%) Agile Software Development
3 30 (90.91%) Ansible
4 29 (87.88%) Jenkins
4 29 (87.88%) Hadoop YARN
4 29 (87.88%) Bash Shell
4 29 (87.88%) Python
5 27 (81.82%) Hadoop
6 24 (72.73%) Continuous Integration
7 23 (69.70%) Data Extraction
7 23 (69.70%) Wiki
7 23 (69.70%) Data Analysis
7 23 (69.70%) Korn
7 23 (69.70%) Amazon EC2
7 23 (69.70%) Amazon S3
7 23 (69.70%) Amazon AWS
7 23 (69.70%) PowerShell
7 23 (69.70%) Microsoft Excel
7 23 (69.70%) MS Visio
7 23 (69.70%) ETL
7 23 (69.70%) SQL
7 23 (69.70%) Oracle
7 23 (69.70%) SQL Server
7 23 (69.70%) Scrum
7 23 (69.70%) Unix
7 23 (69.70%) Windows
7 23 (69.70%) Shell Script
7 23 (69.70%) Test Automation
7 23 (69.70%) Puppet
7 23 (69.70%) Apache Hive

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 10 (30.30%) Confluence
2 6 (18.18%) Elasticsearch
3 4 (12.12%) Apache Solr
4 1 (3.03%) Apache Spark
Applications
1 23 (69.70%) Microsoft Excel
1 23 (69.70%) MS Visio
Cloud Services
1 23 (69.70%) Amazon AWS
1 23 (69.70%) Amazon EC2
1 23 (69.70%) Amazon S3
1 23 (69.70%) Virtual Private Cloud
2 3 (9.09%) GitHub
Communications & Networking
1 4 (12.12%) Kerberos
Database & Business Intelligence
1 33 (100.00%) Big Data
2 27 (81.82%) Hadoop
3 23 (69.70%) Apache Hive
3 23 (69.70%) Impala
3 23 (69.70%) SQL Server
3 23 (69.70%) Sqoop
4 10 (30.30%) HBase
5 1 (3.03%) PostgreSQL
Development Applications
1 29 (87.88%) Jenkins
2 10 (30.30%) JIRA
3 6 (18.18%) Git (software)
4 4 (12.12%) Cucumber
4 4 (12.12%) IntelliJ
5 3 (9.09%) GitLab
Job Titles
1 23 (69.70%) Platform Engineer
2 10 (30.30%) Developer
3 9 (27.27%) Java Developer
4 3 (9.09%) Big Data Developer
5 2 (6.06%) SC Cleared Java Developer
Libraries, Frameworks & Software Standards
1 10 (30.30%) Kafka
2 4 (12.12%) Spring
2 4 (12.12%) Spring Boot
3 1 (3.03%) Apache Camel
3 1 (3.03%) Drools
3 1 (3.03%) REST
Miscellaneous
1 23 (69.70%) Wiki
2 1 (3.03%) Algorithms
Operating Systems
1 23 (69.70%) Unix
1 23 (69.70%) Windows
2 4 (12.12%) Linux
Processes & Methodologies
1 32 (96.97%) Agile Software Development
2 24 (72.73%) Continuous Integration
3 23 (69.70%) Build Automation
3 23 (69.70%) Data Analysis
3 23 (69.70%) Data Extraction
3 23 (69.70%) ETL
3 23 (69.70%) Scrum
3 23 (69.70%) Test Automation
4 4 (12.12%) BDD
4 4 (12.12%) Microservices
4 4 (12.12%) TDD
5 3 (9.09%) DevOps
6 1 (3.03%) Coaching
6 1 (3.03%) Data Architecture
6 1 (3.03%) Data Development
6 1 (3.03%) Mentoring
6 1 (3.03%) Problem-Solving
6 1 (3.03%) Systems Engineering
Programming Languages
1 29 (87.88%) Bash Shell
1 29 (87.88%) Python
2 23 (69.70%) Korn
2 23 (69.70%) PowerShell
2 23 (69.70%) Shell Script
2 23 (69.70%) SQL
3 10 (30.30%) Java
4 4 (12.12%) Java 8
Qualifications
1 8 (24.24%) Security Cleared
2 7 (21.21%) SC Cleared
System Software
1 10 (30.30%) Docker
2 3 (9.09%) Apache ZooKeeper
Systems Management
1 30 (90.91%) Ansible
2 29 (87.88%) Hadoop YARN
3 23 (69.70%) Opscode Chef
3 23 (69.70%) Puppet
4 10 (30.30%) Kubernetes
5 1 (3.03%) Terraform
Vendors
1 23 (69.70%) Cloudera
1 23 (69.70%) Oracle
2 1 (3.03%) Hyland
2 1 (3.03%) SAP