Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 21 November 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
East of England > Hertfordshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 94 83 97
Rank change year-on-year -11 +14 -4
Contract jobs citing Hadoop 7 10 3
As % of all contract IT jobs advertised in Hertfordshire 0.44% 0.72% 0.19%
As % of the Database & Business Intelligence category 2.29% 3.33% 0.92%
Number of daily rates quoted 2 9 2
Hertfordshire median daily rate £575 £325 £500
Median daily rate % change year-on-year +76.92% -35.00% +51.52%
10th Percentile £563 £304 £453
90th Percentile £588 £538 £548
East of England median daily rate £481 £350 £463
% change year-on-year +37.50% -24.32% +23.33%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £17.50 £45.75 £50.00
% change year-on-year -61.75% -8.50% -

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 Hertfordshire with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Hertfordshire
Contract vacancies with a requirement for database or business intelligence skills 306 300 325
As % of all contract IT jobs advertised in Hertfordshire 19.38% 21.65% 20.15%
Number of daily rates quoted 171 178 165
Hertfordshire median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% +5.63%
10th Percentile £313 £263 £244
90th Percentile £575 £529 £533
East of England median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 4 2 7
Hertfordshire median hourly rate £18.25 £28.54 £15.00
Median hourly rate % change year-on-year -36.05% +90.27% -25.00%
10th Percentile £15.38 £14.96 £11.25
90th Percentile £19.00 £41.75 £48.00
East of England median hourly rate £29.50 £36.82 £31.76
% change year-on-year -19.88% +15.93% +11.44%

Hadoop
Job Vacancy Trend in Hertfordshire

Job postings citing Hadoop as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Hadoop in Hertfordshire

Hadoop
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Hadoop in Hertfordshire

Hadoop
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Hadoop within the Hertfordshire region over the 6 months to 21 November 2017. 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
Welwyn Garden City +7 5 - - 1
Welwyn - 1 £575 -
Hadoop
East of England

For the 6 months to 21 November 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 Hertfordshire region with a requirement for Hadoop.

1 6 (85.71%) Python
1 6 (85.71%) Machine Learning
1 6 (85.71%) Apache Spark
2 5 (71.43%) Mathematical Modelling
2 5 (71.43%) Amazon Redshift
2 5 (71.43%) Big Data
2 5 (71.43%) Analytics
2 5 (71.43%) Amazon AWS
2 5 (71.43%) Predictive Modelling
2 5 (71.43%) R
2 5 (71.43%) Tableau
2 5 (71.43%) Retail
2 5 (71.43%) Statistics
2 5 (71.43%) Predictive Analytics
2 5 (71.43%) Mathematics
3 4 (57.14%) SQL Server
3 4 (57.14%) Creative Thinking
4 1 (14.29%) Elasticsearch
4 1 (14.29%) Kafka
4 1 (14.29%) Data Extraction
4 1 (14.29%) Apache Solr
4 1 (14.29%) Scala
4 1 (14.29%) Data Management
4 1 (14.29%) Data Analysis
4 1 (14.29%) Java
4 1 (14.29%) SQL
4 1 (14.29%) VBA
4 1 (14.29%) Microsoft Excel
4 1 (14.29%) Agile Software Development
4 1 (14.29%) TDD

Hadoop
Co-occurring IT Skills in Hertfordshire 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 6 (85.71%) Apache Spark
2 1 (14.29%) Apache Solr
2 1 (14.29%) Elasticsearch
Applications
1 1 (14.29%) Microsoft Excel
Cloud Services
1 5 (71.43%) Amazon AWS
Database & Business Intelligence
1 5 (71.43%) Amazon Redshift
1 5 (71.43%) Big Data
2 4 (57.14%) SQL Server
General
1 5 (71.43%) Retail
Job Titles
1 5 (71.43%) Data Scientist
2 1 (14.29%) Analyst
2 1 (14.29%) Data Analyst
2 1 (14.29%) Developer
2 1 (14.29%) Java Developer
2 1 (14.29%) Senior Developer
2 1 (14.29%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 1 (14.29%) Kafka
Processes & Methodologies
1 6 (85.71%) Machine Learning
2 5 (71.43%) Analytics
2 5 (71.43%) Mathematical Modelling
2 5 (71.43%) Mathematics
2 5 (71.43%) Predictive Analytics
2 5 (71.43%) Predictive Modelling
2 5 (71.43%) Statistics
3 4 (57.14%) Creative Thinking
4 1 (14.29%) Agile Software Development
4 1 (14.29%) Data Analysis
4 1 (14.29%) Data Extraction
4 1 (14.29%) Data Management
4 1 (14.29%) TDD
Programming Languages
1 6 (85.71%) Python
2 5 (71.43%) R
3 1 (14.29%) Java
3 1 (14.29%) Scala
3 1 (14.29%) SQL
3 1 (14.29%) VBA
Vendors
1 5 (71.43%) Tableau