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 3 months to 27 March 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.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Apache Hadoop
East of England / Hertfordshire
Rank 53 57 65
Rank change year-on-year +4 +8  
Contract jobs citing Hadoop 5 1 1
As % of all contract IT jobs advertised in Hertfordshire 0.84% 0.15% 0.14%
As % of the Database & Business Intelligence category 4.39% 1.20% 0.61%
Number of daily rates quoted 5 1 1
Median daily rate £475 £475 £500
Median daily rate % change year-on-year - -5.00%  
UK excluding London median daily rate £488 £488 £500
% change year-on-year - -2.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £38.00 £36.50
% change year-on-year +23.68% +4.10%  

Hadoop is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Hertfordshire
Contract job vacancies with a requirement for database and business intelligence skills 114 83 165
As % of all contract IT job vacancies advertised in Hertfordshire 19.26% 12.13% 23.31%
Number of daily rates quoted 75 38 92
Median daily rate £413 £388 £400
Median daily rate % change year-on-year +6.45% -3.12%  
90% offered a daily rate of more than £248 £292 £265
10% offered a daily rate of more than £550 £475 £500
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 1 2
Median hourly rate £27.50 £37.50 £14.85
Median hourly rate % change year-on-year -26.66% +152.52%  
UK excluding London median hourly rate £34.24 £32.50 £32.50
% change year-on-year +5.35% -  

Hadoop
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing Hadoop as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Hadoop in Hertfordshire over the 3 months to 27 March 2017.

Contractor daily rate histogram 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 3 months to 27 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +2 4 £475 -
Hatfield - 1 £525 -
Hadoop
East of England

Hadoop
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 27 March 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 5 (71.43%) Big Data
2 3 (42.86%) Business Intelligence
3 2 (28.57%) Teradata
3 2 (28.57%) Java
3 2 (28.57%) SQL
3 2 (28.57%) Agile Software Development
3 2 (28.57%) TDD
3 2 (28.57%) Pair Programming
3 2 (28.57%) Use Case
3 2 (28.57%) Apache Spark
3 2 (28.57%) HBase
3 2 (28.57%) BDD
4 1 (14.29%) Apache Hive
4 1 (14.29%) MongoDB
4 1 (14.29%) Apache Cassandra
4 1 (14.29%) NoSQL
4 1 (14.29%) R
4 1 (14.29%) Tableau
4 1 (14.29%) Machine Learning
4 1 (14.29%) Data Analytics
4 1 (14.29%) Business Analytics
4 1 (14.29%) Analytics
4 1 (14.29%) Low Latency
4 1 (14.29%) Performance Tuning
4 1 (14.29%) Relational Database
4 1 (14.29%) Analytical Skills
4 1 (14.29%) Microservices
4 1 (14.29%) Presales
4 1 (14.29%) GNU Octave
4 1 (14.29%) Concurrent Programming

Hadoop
Top Related 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 2 (28.57%) Apache Spark
2 1 (14.29%) SAS
Applications
1 1 (14.29%) GNU Octave
Database & Business Intelligence
1 5 (71.43%) Big Data
2 2 (28.57%) HBase
3 1 (14.29%) Apache Cassandra
3 1 (14.29%) Apache Hive
3 1 (14.29%) MongoDB
3 1 (14.29%) NoSQL
3 1 (14.29%) RDBMS
3 1 (14.29%) Relational Database
Job Titles
1 3 (42.86%) Analyst
1 3 (42.86%) Big Data Analyst
1 3 (42.86%) Business Analyst
1 3 (42.86%) Data Business Analyst
2 2 (28.57%) Data Analyst
2 2 (28.57%) Developer
2 2 (28.57%) Java Developer
3 1 (14.29%) Architect
3 1 (14.29%) AWS Developer
3 1 (14.29%) Data Architect
3 1 (14.29%) DBA
3 1 (14.29%) Enterprise Architect
3 1 (14.29%) Enterprise Data Architect
3 1 (14.29%) Java Scala Developer
3 1 (14.29%) Scala Developer
3 1 (14.29%) Teradata DBA
Libraries, Frameworks & Software Standards
1 1 (14.29%) NumPy
1 1 (14.29%) SciPy
1 1 (14.29%) Spring
1 1 (14.29%) Spring MVC
Miscellaneous
1 1 (14.29%) Analytical Skills
1 1 (14.29%) Data Centre
Processes & Methodologies
1 3 (42.86%) Business Intelligence
2 2 (28.57%) Agile Software Development
2 2 (28.57%) BDD
2 2 (28.57%) Pair Programming
2 2 (28.57%) TDD
2 2 (28.57%) Use Case
3 1 (14.29%) Analytics
3 1 (14.29%) Business Analysis
3 1 (14.29%) Business Analytics
3 1 (14.29%) Concurrent Programming
3 1 (14.29%) Data Analytics
3 1 (14.29%) Domain-Driven Design
3 1 (14.29%) Low Latency
3 1 (14.29%) Machine Learning
3 1 (14.29%) Microservices
3 1 (14.29%) Multithreading
3 1 (14.29%) MVC
3 1 (14.29%) Neural Network
3 1 (14.29%) Performance Tuning
3 1 (14.29%) Presales
Programming Languages
1 2 (28.57%) Java
1 2 (28.57%) SQL
2 1 (14.29%) MATLAB
2 1 (14.29%) Python
2 1 (14.29%) R
2 1 (14.29%) Scala
Vendors
1 2 (28.57%) Teradata
2 1 (14.29%) MicroStrategy
2 1 (14.29%) Oracle
2 1 (14.29%) SAP
2 1 (14.29%) Tableau