Period
to 20 October 2020

The following table provides summary statistics for contract job vacancies 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 20 October 2020 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)
UK
6 months to
20 Oct 2020
Same period 2019 Same period 2018
Rank 440 612 595
Rank change year-on-year +172 -17 -74
Contract jobs citing HDFS 90 208 319
As % of all contract jobs advertised in the UK 0.29% 0.25% 0.31%
As % of the System Software category 1.97% 1.58% 2.08%
Number of daily rates quoted 72 116 226
Median daily rate £450 £550 £525
Median daily rate % change year-on-year -18.18% +4.76% -4.55%
10th Percentile £356 £438 £439
90th Percentile £675 £699 £694
UK excluding London median daily rate £432 £525 £500
% change year-on-year -17.71% +5.00% +5.26%
Number of hourly rates quoted 10 0 3
Median hourly rate £35.00 - £22.00
UK excluding London median hourly rate £35.00 - £22.25

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 with a requirement for system software skills.

All System Software Skills
UK
Contract vacancies with a requirement for system software skills 4,576 13,169 15,305
As % of all contract IT jobs advertised in the UK 14.53% 15.60% 14.95%
Number of daily rates quoted 2,837 8,683 9,969
Median daily rate £475 £450 £450
Median daily rate % change year-on-year +5.56% - +5.88%
10th Percentile £213 £165 £180
90th Percentile £638 £638 £625
UK excluding London median daily rate £430 £413 £400
% change year-on-year +4.24% +3.13% +6.67%
Number of hourly rates quoted 208 666 889
Median hourly rate £20.00 £17.00 £16.00
Median hourly rate % change year-on-year +17.65% +6.25% -3.96%
10th Percentile £11.17 £11.17 £10.50
90th Percentile £53.23 £47.38 £43.75
Median hourly rate £17.75 £16.00 £15.50
% change year-on-year +10.94% +3.23% -

HDFS
Job Vacancy Trend

Job postings citing HDFS as a proportion of all IT jobs advertised.

Job vacancy trend for HDFS in the UK

HDFS
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing HDFS.

Daily rate trend for HDFS in the UK

HDFS
Daily Rate Histogram

Daily rate distribution for jobs citing HDFS over the 6 months to 20 October 2020.

Daily rate histogram for HDFS in the UK

HDFS
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing HDFS.

Hourly rate trend for HDFS in the UK

HDFS
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing HDFS within the UK over the 6 months to 20 October 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +206 80 £450 -20.00% 12
UK excluding London +234 60 £432 -17.71% 8
London +118 24 £625 +13.64% 5
North of England +131 22 £432 -28.00% 3
North West +107 22 £432 -28.00% 3
Midlands +100 16 £432 -15.71% 1
West Midlands - 14 £432 - 1
Work from Home - 14 £475 - 1
South East +157 13 £425 -22.73% 3
Wales - 6 £463 - 1
Scotland +36 3 £380 -27.57%
South West +113 2 - -
East Midlands +49 2 - -

For the 6 months to 20 October 2020, 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 with a requirement for HDFS.

1 90 (100.00%) Hadoop
2 74 (82.22%) Apache Hive
3 57 (63.33%) ETL
4 55 (61.11%) Apache Spark
5 52 (57.78%) Impala
6 48 (53.33%) Big Data
6 48 (53.33%) Security Cleared
7 47 (52.22%) SC Cleared
7 47 (52.22%) Cloudera
8 46 (51.11%) Relational Database
9 44 (48.89%) Oracle
10 37 (41.11%) SQL
11 36 (40.00%) AWS
11 36 (40.00%) Jenkins
12 35 (38.89%) Git (software)
13 34 (37.78%) MySQL
14 31 (34.44%) Java
15 29 (32.22%) Python
16 27 (30.00%) Data Modelling
17 26 (28.89%) Apache
17 26 (28.89%) Kafka
17 26 (28.89%) Ansible
18 24 (26.67%) Microservices
18 24 (26.67%) Amazon S3
19 23 (25.56%) Scala
19 23 (25.56%) Pentaho
19 23 (25.56%) Configuration Management
20 22 (24.44%) Spreadsheet
20 22 (24.44%) Release Management
20 22 (24.44%) Unit Testing

HDFS
Co-occurring IT Skills 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 (61.11%) Apache Spark
2 26 (28.89%) Apache
3 12 (13.33%) Confluence
4 11 (12.22%) Mule
4 11 (12.22%) WebLogic
5 8 (8.89%) Apache Pig
Applications
1 22 (24.44%) Spreadsheet
2 7 (7.78%) Microsoft Excel
3 1 (1.11%) MS Visio
Business Applications
1 11 (12.22%) SAP FI-CA
Cloud Services
1 36 (40.00%) AWS
2 24 (26.67%) Amazon S3
3 12 (13.33%) Azure
4 8 (8.89%) Azure Data Factory
5 6 (6.67%) GCP
6 2 (2.22%) Serverless
7 1 (1.11%) Amazon EC2
7 1 (1.11%) Amazon EMR
7 1 (1.11%) AWS Lambda
7 1 (1.11%) AWS Step Functions
7 1 (1.11%) Cloud Computing
7 1 (1.11%) Tricentis Tosca
7 1 (1.11%) Virtual Private Cloud
Communications & Networking
1 4 (4.44%) Kerberos
2 1 (1.11%) SSL
Database & Business Intelligence
1 90 (100.00%) Hadoop
2 74 (82.22%) Apache Hive
3 52 (57.78%) Impala
4 48 (53.33%) Big Data
5 46 (51.11%) Relational Database
6 34 (37.78%) MySQL
7 23 (25.56%) Pentaho
8 20 (22.22%) HBase
9 15 (16.67%) MongoDB
10 12 (13.33%) Oracle Database
11 9 (10.00%) SQL Server
12 8 (8.89%) Sqoop
13 7 (7.78%) NoSQL
14 4 (4.44%) Apache Cassandra
14 4 (4.44%) Data Lake
14 4 (4.44%) Parquet
15 3 (3.33%) Apache Accumulo
15 3 (3.33%) Data Warehouse
15 3 (3.33%) RDBMS
16 2 (2.22%) Spark SQL
Development Applications
1 36 (40.00%) Jenkins
2 35 (38.89%) Git (software)
3 12 (13.33%) JIRA
4 11 (12.22%) Cucumber
4 11 (12.22%) Postman
4 11 (12.22%) SoapUI
4 11 (12.22%) Toad
5 10 (11.11%) Selenium
6 2 (2.22%) eggPlant
6 2 (2.22%) JMeter
7 1 (1.11%) Atlassian Bamboo
General
1 15 (16.67%) Public Sector
2 11 (12.22%) Finance
3 8 (8.89%) Banking
4 2 (2.22%) Military
Job Titles
1 30 (33.33%) Data Engineer
2 22 (24.44%) Developer
3 15 (16.67%) Architect
4 14 (15.56%) Big Data Engineer
5 12 (13.33%) Data Architect
6 9 (10.00%) Analyst
6 9 (10.00%) Hadoop Engineer
6 9 (10.00%) Test Analyst
7 8 (8.89%) Azure Engineer
7 8 (8.89%) Pentaho Developer
8 6 (6.67%) ETL Developer
8 6 (6.67%) Java Engineer
9 4 (4.44%) Cloud Architect
9 4 (4.44%) Senior Data Engineer
9 4 (4.44%) Senior Java Engineer
10 3 (3.33%) Big Data Architect
10 3 (3.33%) DevOps Architect
10 3 (3.33%) Digital Analyst
11 2 (2.22%) Big Data Developer
11 2 (2.22%) Data Integration Developer
Libraries, Frameworks & Software Standards
1 26 (28.89%) Kafka
2 12 (13.33%) JSON
2 12 (13.33%) XML
3 11 (12.22%) RabbitMQ
3 11 (12.22%) SOAP
4 6 (6.67%) Apache Avro
5 5 (5.56%) Spring
6 4 (4.44%) Spring Boot
7 2 (2.22%) J2EE
8 1 (1.11%) amCharts
8 1 (1.11%) AngularJS
8 1 (1.11%) Apache NiFi
8 1 (1.11%) D3.js
8 1 (1.11%) Gherkin
8 1 (1.11%) Highcharts JS
8 1 (1.11%) React
8 1 (1.11%) RESTful
8 1 (1.11%) Swagger
8 1 (1.11%) Vue.js
Miscellaneous
1 16 (17.78%) Analytical Skills
2 7 (7.78%) Reference Data
3 4 (4.44%) Greenfield Project
4 2 (2.22%) Credit Risk
5 1 (1.11%) Cloud Native
5 1 (1.11%) FMCG
5 1 (1.11%) User Experience
5 1 (1.11%) Wiki
Operating Systems
1 18 (20.00%) Linux
1 18 (20.00%) Unix
2 12 (13.33%) Windows
Processes & Methodologies
1 57 (63.33%) ETL
2 27 (30.00%) Data Modelling
3 24 (26.67%) Microservices
4 23 (25.56%) Configuration Management
5 22 (24.44%) Data Acquisition
5 22 (24.44%) ETL Development
5 22 (24.44%) Release Management
5 22 (24.44%) Unit Testing
6 20 (22.22%) Data Engineering
7 19 (21.11%) Data Ingestion
7 19 (21.11%) Data Munging
7 19 (21.11%) DevOps
7 19 (21.11%) Problem-Solving
8 16 (17.78%) Data Integration
9 15 (16.67%) Analytics
9 15 (16.67%) Continuous Integration
10 12 (13.33%) Data Analytics
11 11 (12.22%) API Testing
11 11 (12.22%) Continuous Delivery
11 11 (12.22%) Data Lineage
Programming Languages
1 37 (41.11%) SQL
2 31 (34.44%) Java
3 29 (32.22%) Python
4 23 (25.56%) Scala
5 11 (12.22%) PL/SQL
6 8 (8.89%) Shell Script
7 4 (4.44%) Perl
8 3 (3.33%) JavaScript
9 2 (2.22%) Groovy
10 1 (1.11%) Bash Shell
10 1 (1.11%) Go
10 1 (1.11%) Java 8
10 1 (1.11%) Korn
10 1 (1.11%) PowerShell
10 1 (1.11%) Ruby
Qualifications
1 48 (53.33%) Security Cleared
2 47 (52.22%) SC Cleared
3 6 (6.67%) TOGAF Certification
4 4 (4.44%) Degree
4 4 (4.44%) ISEB
4 4 (4.44%) ISTQB
4 4 (4.44%) ISTQB Foundation Certification
5 2 (2.22%) BPSS Clearance
Quality Assurance & Compliance
1 5 (5.56%) Data Quality
2 2 (2.22%) Sarbanes-Oxley
2 2 (2.22%) SLA
System Software
1 9 (10.00%) Apache ZooKeeper
2 4 (4.44%) Apache Flume
2 4 (4.44%) Docker
Systems Management
1 26 (28.89%) Ansible
2 8 (8.89%) Hadoop YARN
3 4 (4.44%) Oozie
4 3 (3.33%) Kubernetes
4 3 (3.33%) Puppet
5 2 (2.22%) Rancher
5 2 (2.22%) Terraform
6 1 (1.11%) Ambari
6 1 (1.11%) Opscode Chef
Vendors
1 47 (52.22%) Cloudera
2 44 (48.89%) Oracle
3 12 (13.33%) SAP
4 10 (11.11%) Ab Initio
4 10 (11.11%) StreamSets
5 9 (10.00%) Informatica
6 8 (8.89%) Databricks
6 8 (8.89%) TIBCO
7 6 (6.67%) Microsoft
8 5 (5.56%) Google
9 2 (2.22%) Teradata
10 1 (1.11%) Atlassian
10 1 (1.11%) Hortonworks
10 1 (1.11%) MapR