Period
to 19 August 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 19 August 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
19 Aug 2018
Same period 2017 Same period 2016
Rank 91 93 84
Rank change year-on-year +2 -9 +25
Contract jobs citing Data Science 12 3 6
As % of all contract IT jobs advertised in Hertfordshire 0.75% 0.23% 0.42%
As % of the Processes & Methodologies category 0.92% 0.28% 0.52%
Number of daily rates quoted 14 3 5
Hertfordshire median daily rate £475 £450 £340
Median daily rate % change year-on-year +5.56% +32.35% -
10th Percentile £243 £265 £313
90th Percentile £626 £565 £388
East of England median daily rate £480 £450 £340
% change year-on-year +6.67% +32.35% -38.18%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £28.00 £34.50 -
% change year-on-year -18.84% - -

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 1,304 1,059 1,145
As % of all contract IT jobs advertised in Hertfordshire 81.81% 81.15% 79.35%
Number of daily rates quoted 749 544 618
Hertfordshire median daily rate £413 £407 £400
Median daily rate % change year-on-year +1.48% +1.63% +3.23%
10th Percentile £206 £213 £220
90th Percentile £569 £588 £541
East of England median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +3.23%
Number of hourly rates quoted 95 67 46
Hertfordshire median hourly rate £17.32 £16.84 £22.50
Median hourly rate % change year-on-year +2.88% -25.18% +21.62%
10th Percentile £11.11 £11.81 £9.63
90th Percentile £46.25 £45.00 £53.75
East of England median hourly rate £17.50 £26.00 £25.00
% change year-on-year -32.69% +4.00% +11.11%

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 19 August 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 19 August 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 3 £225 -56.10% 1
Data Science
East of England

For the 6 months to 19 August 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 10 (83.33%) Python
2 9 (75.00%) Hadoop
2 9 (75.00%) Big Data
2 9 (75.00%) Apache Spark
3 7 (58.33%) Java
4 6 (50.00%) Scala
4 6 (50.00%) Machine Learning
5 5 (41.67%) Mathematics
5 5 (41.67%) Retail
6 4 (33.33%) ETL
6 4 (33.33%) C++
6 4 (33.33%) OOP
6 4 (33.33%) OO
6 4 (33.33%) Apache
6 4 (33.33%) Git (software)
6 4 (33.33%) Amazon Redshift
6 4 (33.33%) Amazon Kinesis
6 4 (33.33%) Apache Pig
6 4 (33.33%) Amazon EMR
6 4 (33.33%) Amazon RDS
6 4 (33.33%) Amazon EC2
6 4 (33.33%) Amazon AWS
6 4 (33.33%) Open Source
6 4 (33.33%) Apache Hive
6 4 (33.33%) MapReduce
6 4 (33.33%) Amazon Athena
7 3 (25.00%) Mathematical Modelling
7 3 (25.00%) R
7 3 (25.00%) Data Structures
7 3 (25.00%) Algorithms

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 9 (75.00%) Apache Spark
2 4 (33.33%) Apache
2 4 (33.33%) Apache Pig
Applications
1 1 (8.33%) Microsoft Excel
Cloud Services
1 4 (33.33%) Amazon AWS
1 4 (33.33%) Amazon EC2
1 4 (33.33%) Amazon EMR
1 4 (33.33%) Amazon Kinesis
Database & Business Intelligence
1 9 (75.00%) Big Data
1 9 (75.00%) Hadoop
2 4 (33.33%) Amazon Athena
2 4 (33.33%) Amazon RDS
2 4 (33.33%) Amazon Redshift
2 4 (33.33%) Apache Hive
3 1 (8.33%) SQL Server
Development Applications
1 4 (33.33%) Git (software)
General
1 5 (41.67%) Retail
Job Titles
1 9 (75.00%) Data Scientist
2 6 (50.00%) Senior Data Scientist
3 4 (33.33%) AWS Engineer
3 4 (33.33%) Big Data Engineer
3 4 (33.33%) Cloud Engineer
3 4 (33.33%) Data Engineer
3 4 (33.33%) Senior Cloud Engineer
3 4 (33.33%) Senior Data Engineer
4 1 (8.33%) Analyst
4 1 (8.33%) Data Analyst
4 1 (8.33%) Data Insight Analyst
4 1 (8.33%) Insight Analyst
4 1 (8.33%) Insight Data Analyst
4 1 (8.33%) Machine Learning Scientist
4 1 (8.33%) Report Analyst
4 1 (8.33%) Tableau Analyst
4 1 (8.33%) Windows Engineer
Libraries, Frameworks & Software Standards
1 1 (8.33%) Deeplearning4j
1 1 (8.33%) MXNet
1 1 (8.33%) Natural Language Processing
1 1 (8.33%) TensorFlow
1 1 (8.33%) Theano
Miscellaneous
1 3 (25.00%) Algorithms
1 3 (25.00%) Computer Science
1 3 (25.00%) Data Structures
2 1 (8.33%) FMCG
Operating Systems
1 1 (8.33%) Linux
1 1 (8.33%) Red Hat Enterprise Linux
1 1 (8.33%) Windows
Processes & Methodologies
1 6 (50.00%) Machine Learning
2 5 (41.67%) Mathematics
3 4 (33.33%) ETL
3 4 (33.33%) MapReduce
3 4 (33.33%) OO
3 4 (33.33%) OOP
3 4 (33.33%) Open Source
4 3 (25.00%) Mathematical Modelling
5 2 (16.67%) Analytics
5 2 (16.67%) Statistics
5 2 (16.67%) Visualisation
6 1 (8.33%) Agile Software Development
6 1 (8.33%) Artificial Intelligence
6 1 (8.33%) Deep Learning
6 1 (8.33%) E-Commerce
6 1 (8.33%) Logistic Regression
6 1 (8.33%) Logistics
6 1 (8.33%) Neural Network
6 1 (8.33%) Physics
6 1 (8.33%) Stakeholder Management
Programming Languages
1 10 (83.33%) Python
2 7 (58.33%) Java
3 6 (50.00%) Scala
4 4 (33.33%) C++
5 3 (25.00%) R
6 2 (16.67%) MATLAB
7 1 (8.33%) Bash Shell
7 1 (8.33%) C
7 1 (8.33%) PowerShell
7 1 (8.33%) SQL
Qualifications
1 3 (25.00%) Degree
2 1 (8.33%) Computer Science Degree
2 1 (8.33%) Master's Degree
2 1 (8.33%) Numerate Degree
Quality Assurance & Compliance
1 1 (8.33%) Data Quality
Vendors
1 1 (8.33%) Tableau