Period
to 19 November 2018

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 19 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.

Apache Hadoop
East of England > Hertfordshire
6 months to
19 Nov 2018
Same period 2017 Same period 2016
Rank 93 99 83
Rank change year-on-year +6 -16 +21
Contract jobs citing Hadoop 9 6 10
As % of all contract IT jobs advertised in Hertfordshire 0.55% 0.39% 0.72%
As % of the Database & Business Intelligence category 3.10% 1.99% 3.32%
Number of daily rates quoted 13 2 9
Hertfordshire median daily rate £475 £575 £325
Median daily rate % change year-on-year -17.39% +76.92% -35.00%
10th Percentile £385 £563 £304
90th Percentile £608 £588 £538
East of England median daily rate £494 £481 £350
% change year-on-year +2.60% +37.50% -24.32%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £17.50 £45.75
% 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 290 302 301
As % of all contract IT jobs advertised in Hertfordshire 17.88% 19.46% 21.80%
Number of daily rates quoted 202 169 178
Hertfordshire median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +6.67%
10th Percentile £316 £311 £263
90th Percentile £550 £576 £529
East of England median daily rate £430 £400 £375
% change year-on-year +7.50% +6.67% -
Number of hourly rates quoted 6 4 2
Hertfordshire median hourly rate £35.00 £18.25 £28.54
Median hourly rate % change year-on-year +91.78% -36.05% +90.27%
10th Percentile £26.30 £15.38 £14.96
90th Percentile £42.50 £19.00 £41.75
East of England median hourly rate £26.90 £29.50 £37.50
% change year-on-year -8.81% -21.33% +17.19%

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Hadoop in Hertfordshire over the 6 months to 19 November 2018.

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 6 months to 19 November 2018. 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
St Albans - 4 £475 -
Watford - 4 £475 -
Welwyn Garden City -12 1 £330 -
Hemel Hempstead - 1 £400 - 1
Hadoop
East of England

For the 6 months to 19 November 2018, IT contractor jobs citing Hadoop 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 Hertfordshire region with a requirement for Hadoop.

1 7 (77.78%) Python
2 6 (66.67%) Big Data
2 6 (66.67%) Apache Spark
2 6 (66.67%) Data Science
3 4 (44.44%) Amazon Kinesis
3 4 (44.44%) Amazon EMR
3 4 (44.44%) Amazon RDS
3 4 (44.44%) OOP
3 4 (44.44%) OO
3 4 (44.44%) Apache
3 4 (44.44%) C++
3 4 (44.44%) Java
3 4 (44.44%) Scala
3 4 (44.44%) Amazon EC2
3 4 (44.44%) Amazon AWS
3 4 (44.44%) ETL
3 4 (44.44%) Amazon Athena
3 4 (44.44%) Amazon Redshift
4 3 (33.33%) Open Source
4 3 (33.33%) Apache Hive
5 2 (22.22%) MongoDB
5 2 (22.22%) MapReduce
5 2 (22.22%) Apache Pig
5 2 (22.22%) Git (software)
5 2 (22.22%) Machine Learning
5 2 (22.22%) Data Structures
5 2 (22.22%) Algorithms
5 2 (22.22%) Mathematics
5 2 (22.22%) Mathematical Modelling
6 1 (11.11%) FMCG

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 (66.67%) Apache Spark
2 4 (44.44%) Apache
3 2 (22.22%) Apache Pig
Applications
1 1 (11.11%) Microsoft Excel
Cloud Services
1 4 (44.44%) Amazon AWS
1 4 (44.44%) Amazon EC2
1 4 (44.44%) Amazon EMR
1 4 (44.44%) Amazon Kinesis
2 1 (11.11%) Google Cloud Platform
2 1 (11.11%) Microsoft Azure
Communications & Networking
1 1 (11.11%) Firewall
Database & Business Intelligence
1 6 (66.67%) Big Data
2 4 (44.44%) Amazon Athena
2 4 (44.44%) Amazon RDS
2 4 (44.44%) Amazon Redshift
3 3 (33.33%) Apache Hive
4 2 (22.22%) MongoDB
5 1 (11.11%) HDInsight
5 1 (11.11%) Power BI
Development Applications
1 2 (22.22%) Git (software)
General
1 1 (11.11%) Retail
1 1 (11.11%) Telecoms
Job Titles
1 6 (66.67%) Data Scientist
1 6 (66.67%) Senior Data Scientist
2 5 (55.56%) Cloud Engineer
3 4 (44.44%) AWS Engineer
3 4 (44.44%) Big Data Engineer
3 4 (44.44%) Data Engineer
3 4 (44.44%) Senior Cloud Engineer
3 4 (44.44%) Senior Data Engineer
4 1 (11.11%) Administrator
4 1 (11.11%) Analyst
4 1 (11.11%) Azure Engineer
4 1 (11.11%) Data Analyst
4 1 (11.11%) Hadoop Engineer
4 1 (11.11%) Linux Administrator
4 1 (11.11%) Linux Systems Administrator
4 1 (11.11%) Machine Learning Scientist
4 1 (11.11%) Solaris Systems Administrator
4 1 (11.11%) SQL Analyst
4 1 (11.11%) SQL Data Analyst
4 1 (11.11%) Systems Administrator
Miscellaneous
1 2 (22.22%) Algorithms
1 2 (22.22%) Data Structures
2 1 (11.11%) FMCG
Operating Systems
1 1 (11.11%) Linux
1 1 (11.11%) Solaris
Processes & Methodologies
1 6 (66.67%) Data Science
2 4 (44.44%) ETL
2 4 (44.44%) OO
2 4 (44.44%) OOP
3 3 (33.33%) Open Source
4 2 (22.22%) Machine Learning
4 2 (22.22%) MapReduce
4 2 (22.22%) Mathematical Modelling
4 2 (22.22%) Mathematics
5 1 (11.11%) Business Intelligence
5 1 (11.11%) Dashboard Development
5 1 (11.11%) Data Management
5 1 (11.11%) Data Transformation
5 1 (11.11%) Performance Tuning
5 1 (11.11%) Stakeholder Management
5 1 (11.11%) Virtual Environments
Programming Languages
1 7 (77.78%) Python
2 4 (44.44%) C++
2 4 (44.44%) Java
2 4 (44.44%) Scala
3 1 (11.11%) Bash Shell
3 1 (11.11%) Bourne shell
3 1 (11.11%) Shell Script
3 1 (11.11%) SQL
3 1 (11.11%) VBA
System Software
1 1 (11.11%) Virtual Servers
1 1 (11.11%) VMware Infrastructure
Vendors
1 1 (11.11%) Tableau
1 1 (11.11%) VMware