Period
to 26 May 2020

The median contractor rate for a Data Scientist was £488 per day in advertised job vacancies in the City of London during the 6 months to 26 May 2020.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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 Scientist
Central London > City of London
6 months to
26 May 2020
Same period 2019 Same period 2018
Rank 130 183 214
Rank change year-on-year +53 +31 -14
Contract jobs requiring a Data Scientist 27 55 42
As % of all contract jobs advertised in the City of London 0.86% 0.86% 0.60%
As % of the Job Titles category 0.92% 0.91% 0.64%
Number of daily rates quoted 20 39 34
Median daily rate £488 £590 £550
Median daily rate % change year-on-year -17.37% +7.27% -0.90%
10th Percentile £402 £463 £441
90th Percentile £679 £693 £634
Central London median daily rate £513 £600 £550
% change year-on-year -14.58% +9.09% -0.90%
Number of hourly rates quoted 3 1 0
Median hourly rate £25.00 £35.00 -
Median hourly rate % change year-on-year -28.57% - -
Central London median hourly rate £25.00 £35.00 -
% change year-on-year -28.57% - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 2,938 6,012 6,611
% of contract IT jobs with a recognized job title 93.69% 93.72% 94.77%
Number of daily rates quoted 2,118 4,611 5,201
Median daily rate £500 £520 £500
Median daily rate % change year-on-year -3.85% +4.00% +5.26%
10th Percentile £300 £315 £313
90th Percentile £675 £675 £688
Central London median daily rate £500 £513 £500
% change year-on-year -2.44% +2.50% +5.26%
Number of hourly rates quoted 66 66 114
Median hourly rate £29.88 £21.00 £18.70
Median hourly rate % change year-on-year +42.26% +12.30% +8.59%
10th Percentile £12.50 £11.25 £11.81
90th Percentile £52.25 £56.50 £34.80
Median hourly rate £32.53 £20.82 £18.85
% change year-on-year +56.20% +10.46% +11.44%

Data Scientist
Job Vacancy Trend in the City of London

Job postings that featured Data Scientist in the job title as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Scientist in the City of London

Data Scientist
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Data Scientist in the City of London.

Daily rate trend for Data Scientist in the City of London

Data Scientist
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Scientist in the City of London over the 6 months to 26 May 2020.

Daily rate histogram for Data Scientist in the City of London

Data Scientist Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 26 May 2020, Data Scientist contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region featuring Data Scientist in the job title.

1 27 (100.00%) Data Science
2 19 (70.37%) Python
3 15 (55.56%) Machine Learning
4 11 (40.74%) R
5 10 (37.04%) TensorFlow
6 9 (33.33%) Algorithms
6 9 (33.33%) Analytics
6 9 (33.33%) Natural Language Processing
6 9 (33.33%) Big Data
6 9 (33.33%) Computer Science
7 8 (29.63%) SQL
7 8 (29.63%) Apache Spark
8 7 (25.93%) Statistics
8 7 (25.93%) Degree
8 7 (25.93%) Visualisation
8 7 (25.93%) Azure
9 6 (22.22%) Mathematics
9 6 (22.22%) Artificial Intelligence
9 6 (22.22%) GCP
9 6 (22.22%) Analytical Skills
10 5 (18.52%) Power BI
10 5 (18.52%) Deep Learning
10 5 (18.52%) Power Platform
10 5 (18.52%) Agile Software Development
10 5 (18.52%) PhD
10 5 (18.52%) Open Source
10 5 (18.52%) Physics
11 4 (14.81%) Data Analysis
11 4 (14.81%) Use Case
11 4 (14.81%) AWS

Data Scientist Skill Set
Co-occurring IT Skills in the City of London 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 8 (29.63%) Apache Spark
2 4 (14.81%) SAS
3 2 (7.41%) ArcGIS
4 1 (3.70%) DNN
Applications
1 2 (7.41%) Microsoft Excel
2 1 (3.70%) Chatbot
2 1 (3.70%) SPSS
Cloud Services
1 7 (25.93%) Azure
2 6 (22.22%) GCP
3 5 (18.52%) Power Platform
4 4 (14.81%) AWS
5 1 (3.70%) Adobe Analytics
5 1 (3.70%) Amazon SageMaker
5 1 (3.70%) Google Analytics
Database & Business Intelligence
1 9 (33.33%) Big Data
2 5 (18.52%) Power BI
3 2 (7.41%) Data Mining
3 2 (7.41%) Flink
3 2 (7.41%) GIS
3 2 (7.41%) Hadoop
3 2 (7.41%) QGIS
3 2 (7.41%) SAS EBI
3 2 (7.41%) SQL Server
4 1 (3.70%) Apache Cassandra
4 1 (3.70%) Apache Hive
4 1 (3.70%) BigQuery
4 1 (3.70%) Impala
4 1 (3.70%) MongoDB
4 1 (3.70%) Relational Database
4 1 (3.70%) SAS Enterprise Miner
Development Applications
1 1 (3.70%) Git (software)
General
1 3 (11.11%) Finance
2 2 (7.41%) Law
2 2 (7.41%) Marketing
2 2 (7.41%) Retail
3 1 (3.70%) Financial Institution
3 1 (3.70%) Telecoms
Libraries, Frameworks & Software Standards
1 10 (37.04%) TensorFlow
2 9 (33.33%) Natural Language Processing
3 4 (14.81%) H2O
3 4 (14.81%) MLlib
3 4 (14.81%) Pandas
3 4 (14.81%) SciPy
4 2 (7.41%) scikit-learn
5 1 (3.70%) D3.js
5 1 (3.70%) Keras
5 1 (3.70%) MXNet
5 1 (3.70%) PyTorch
5 1 (3.70%) Samza
5 1 (3.70%) Shiny
Miscellaneous
1 9 (33.33%) Algorithms
2 6 (22.22%) Analytical Skills
3 1 (3.70%) Greenfield Project
3 1 (3.70%) Social Media
Processes & Methodologies
1 27 (100.00%) Data Science
2 15 (55.56%) Machine Learning
3 9 (33.33%) Analytics
3 9 (33.33%) Computer Science
4 7 (25.93%) Statistics
4 7 (25.93%) Visualisation
5 6 (22.22%) Artificial Intelligence
5 6 (22.22%) Mathematics
6 5 (18.52%) Agile Software Development
6 5 (18.52%) Deep Learning
6 5 (18.52%) Open Source
6 5 (18.52%) Physics
7 4 (14.81%) Business Intelligence
7 4 (14.81%) Data Analysis
7 4 (14.81%) Use Case
8 3 (11.11%) Decision-Making
8 3 (11.11%) Market Research
8 3 (11.11%) Sentiment Analysis
9 2 (7.41%) Random Forest
9 2 (7.41%) Spatial Analysis
Programming Languages
1 19 (70.37%) Python
2 11 (40.74%) R
3 8 (29.63%) SQL
4 2 (7.41%) VBA
5 1 (3.70%) Go
5 1 (3.70%) Scala
Qualifications
1 7 (25.93%) Degree
2 5 (18.52%) PhD
3 4 (14.81%) Master's Degree
4 1 (3.70%) Numerate Degree
Vendors
1 4 (14.81%) Tableau
2 3 (11.11%) Google
3 2 (7.41%) Alteryx
3 2 (7.41%) Twitter
4 1 (3.70%) Adobe
4 1 (3.70%) Bloomberg
4 1 (3.70%) Reuters