Period
to 22 October 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Data Science skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Science over the 6 months to 22 October 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.

Data Science
East of England > Hertfordshire
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 95 99 86
Rank change year-on-year +4 -13 +21
Contract jobs citing Data Science 8 2 8
As % of all contract IT jobs advertised in Hertfordshire 0.50% 0.13% 0.57%
As % of the Processes & Methodologies category 0.61% 0.16% 0.73%
Number of daily rates quoted 12 1 7
Hertfordshire median daily rate £475 £575 £340
Median daily rate % change year-on-year -17.39% +69.12% -
10th Percentile £328 £563 £313
90th Percentile £623 £588 £388
East of England median daily rate £500 £458 £345
% change year-on-year +9.29% +32.51% -37.23%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £34.50 -

Data Science is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,310 1,239 1,099
As % of all contract IT jobs advertised in Hertfordshire 81.67% 82.05% 78.33%
Number of daily rates quoted 774 622 607
Hertfordshire median daily rate £423 £400 £400
Median daily rate % change year-on-year +5.63% - +3.23%
10th Percentile £207 £213 £213
90th Percentile £569 £575 £538
East of England median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +3.23%
Number of hourly rates quoted 90 64 60
Hertfordshire median hourly rate £17.50 £16.81 £23.75
Median hourly rate % change year-on-year +4.14% -29.24% +13.10%
10th Percentile £11.18 £12.28 £11.02
90th Percentile £48.25 £45.70 £53.75
East of England median hourly rate £17.50 £30.00 £27.00
% change year-on-year -41.67% +11.11% +13.68%

Data Science
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Data Science in Hertfordshire

Data Science
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Data Science in Hertfordshire

Data Science
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Data Science in Hertfordshire over the 6 months to 22 October 2018.

Contractor daily rate histogram for Data Science in Hertfordshire

Data Science
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 Data Science within the Hertfordshire region over the 6 months to 22 October 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
Watford - 4 £475 - 2
St Albans - 4 £475 - 1
Welwyn Garden City -15 2 £275 -52.17% 3
Data Science
East of England

For the 6 months to 22 October 2018, IT contractor jobs citing Data Science 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 Data Science.

1 7 (87.50%) Python
1 7 (87.50%) Big Data
2 6 (75.00%) Hadoop
2 6 (75.00%) Apache Spark
3 4 (50.00%) Amazon Kinesis
3 4 (50.00%) Amazon Athena
3 4 (50.00%) Amazon EC2
3 4 (50.00%) Amazon AWS
3 4 (50.00%) Scala
3 4 (50.00%) Amazon EMR
3 4 (50.00%) Amazon RDS
3 4 (50.00%) Amazon Redshift
3 4 (50.00%) ETL
3 4 (50.00%) C++
3 4 (50.00%) Java
3 4 (50.00%) OOP
3 4 (50.00%) OO
3 4 (50.00%) Apache
4 3 (37.50%) Mathematics
4 3 (37.50%) Machine Learning
5 2 (25.00%) Open Source
5 2 (25.00%) Git (software)
5 2 (25.00%) Apache Hive
5 2 (25.00%) MapReduce
5 2 (25.00%) Retail
5 2 (25.00%) Apache Pig
5 2 (25.00%) Data Structures
5 2 (25.00%) Algorithms
5 2 (25.00%) Mathematical Modelling
6 1 (12.50%) Supply Chain Transformation

Data Science
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 (75.00%) Apache Spark
2 4 (50.00%) Apache
3 2 (25.00%) Apache Pig
Cloud Services
1 4 (50.00%) Amazon AWS
1 4 (50.00%) Amazon EC2
1 4 (50.00%) Amazon EMR
1 4 (50.00%) Amazon Kinesis
Database & Business Intelligence
1 7 (87.50%) Big Data
2 6 (75.00%) Hadoop
3 4 (50.00%) Amazon Athena
3 4 (50.00%) Amazon RDS
3 4 (50.00%) Amazon Redshift
4 2 (25.00%) Apache Hive
Development Applications
1 2 (25.00%) Git (software)
General
1 2 (25.00%) Retail
Job Titles
1 6 (75.00%) Data Scientist
1 6 (75.00%) Senior Data Scientist
2 4 (50.00%) AWS Engineer
2 4 (50.00%) Big Data Engineer
2 4 (50.00%) Cloud Engineer
2 4 (50.00%) Data Engineer
2 4 (50.00%) Senior Cloud Engineer
2 4 (50.00%) Senior Data Engineer
3 1 (12.50%) Machine Learning Scientist
3 1 (12.50%) Windows Engineer
Miscellaneous
1 2 (25.00%) Algorithms
1 2 (25.00%) Data Structures
2 1 (12.50%) Computer Science
2 1 (12.50%) FMCG
Operating Systems
1 1 (12.50%) Linux
1 1 (12.50%) Red Hat Enterprise Linux
1 1 (12.50%) Windows
Processes & Methodologies
1 4 (50.00%) ETL
1 4 (50.00%) OO
1 4 (50.00%) OOP
2 3 (37.50%) Machine Learning
2 3 (37.50%) Mathematics
3 2 (25.00%) MapReduce
3 2 (25.00%) Mathematical Modelling
3 2 (25.00%) Open Source
4 1 (12.50%) Agile Software Development
4 1 (12.50%) Analytics
4 1 (12.50%) Physics
4 1 (12.50%) Stakeholder Management
4 1 (12.50%) Supply Chain Transformation
Programming Languages
1 7 (87.50%) Python
2 4 (50.00%) C++
2 4 (50.00%) Java
2 4 (50.00%) Scala
3 1 (12.50%) Bash Shell
3 1 (12.50%) MATLAB
3 1 (12.50%) PowerShell
3 1 (12.50%) SQL
Qualifications
1 1 (12.50%) Degree