Period
to 22 June 2021

The median contractor rate for a Data Scientist was £550 per day in advertised job vacancies in the City of London during the 6 months to 22 June 2021.

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
22 Jun 2021
Same period 2020 Same period 2019
Rank 122 123 180
Rank change year-on-year +1 +57 +27
Contract jobs requiring a Data Scientist 36 23 60
As % of all contract jobs advertised in the City of London 1.20% 0.82% 0.93%
As % of the Job Titles category 1.27% 0.88% 0.99%
Number of daily rates quoted 17 18 45
10th Percentile £216 £395 £463
25th Percentile £325 £416 £500
Median daily rate (50th Percentile) £550 £513 £600
Median % change year-on-year +7.32% -14.58% +9.09%
75th Percentile £638 £650 £638
90th Percentile £675 £686 £675
Central London median daily rate £525 £525 £600
% change year-on-year - -12.50% +9.09%
Number of hourly rates quoted 0 2 1
Median hourly rate - £31.75 £35.00
Median % change year-on-year - -9.29% -
Central London median hourly rate - £31.75 £35.00
% change year-on-year - -9.29% -

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 2,829 2,613 6,045
% of contract IT jobs with a recognized job title 93.96% 93.66% 93.84%
Number of daily rates quoted 2,082 1,966 4,707
10th Percentile £350 £305 £325
25th Percentile £444 £413 £425
Median daily rate (50th Percentile) £550 £500 £520
Median % change year-on-year +10.00% -3.85% +4.00%
75th Percentile £638 £600 £595
90th Percentile £719 £675 £675
Central London median daily rate £549 £500 £513
% change year-on-year +9.75% -2.44% +2.50%
Number of hourly rates quoted 35 41 66
10th Percentile £12.15 £12.42 £11.25
25th Percentile £14.06 £14.38 £12.94
Median hourly rate £22.50 £25.00 £20.57
Median % change year-on-year -10.00% +21.52% +10.01%
75th Percentile £29.13 £39.25 £32.94
90th Percentile £40.45 £52.50 £44.80
Central London median hourly rate £21.75 £25.50 £20.25
% change year-on-year -14.73% +25.93% +8.29%

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 22 June 2021.

Daily rate histogram for Data Scientist in the City of London

Data Scientist
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend 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 22 June 2021, 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 36 (100.00%) Data Science
2 33 (91.67%) Python
3 31 (86.11%) Machine Learning
4 29 (80.56%) SQL
5 28 (77.78%) Analytics
6 27 (75.00%) R
7 25 (69.44%) Visualisation
8 22 (61.11%) Analytical Skills
8 22 (61.11%) Algorithms
9 21 (58.33%) Degree
10 20 (55.56%) Statistics
10 20 (55.56%) Marketing
10 20 (55.56%) Mathematics
10 20 (55.56%) CRM
11 19 (52.78%) Data Analysis
12 18 (50.00%) Finance
12 18 (50.00%) Business Intelligence
12 18 (50.00%) Jupyter
12 18 (50.00%) Deep Learning
12 18 (50.00%) Decision-Making
12 18 (50.00%) Problem-Solving
12 18 (50.00%) Presentation Skills
13 17 (47.22%) Shiny
13 17 (47.22%) Data Sharing
13 17 (47.22%) Bayesian Methods
13 17 (47.22%) Mentoring
13 17 (47.22%) Alteryx
13 17 (47.22%) D3.js
13 17 (47.22%) Digital Analytics
13 17 (47.22%) B2B

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 18 (50.00%) Jupyter
2 5 (13.89%) Apache Spark
3 3 (8.33%) SAS
Applications
1 17 (47.22%) Microsoft Excel
1 17 (47.22%) Microsoft PowerPoint
Cloud Services
1 1 (2.78%) Azure
1 1 (2.78%) Power Platform
Database & Business Intelligence
1 17 (47.22%) Data Warehouse
1 17 (47.22%) QlikView
2 5 (13.89%) Big Data
2 5 (13.89%) Hadoop
2 5 (13.89%) Tableau
3 4 (11.11%) Data Mining
4 2 (5.56%) Apache Cassandra
4 2 (5.56%) Apache Hive
4 2 (5.56%) Looker
4 2 (5.56%) SQL Server
5 1 (2.78%) NoSQL
5 1 (2.78%) Power BI
5 1 (2.78%) SAS EBI
Development Applications
1 1 (2.78%) PyCharm
General
1 22 (61.11%) Analytical Skills
2 20 (55.56%) Marketing
3 18 (50.00%) Finance
3 18 (50.00%) Presentation Skills
4 3 (8.33%) Social Skills
5 2 (5.56%) Games
5 2 (5.56%) Local Government
5 2 (5.56%) Public Sector
6 1 (2.78%) Organisational Skills
Libraries, Frameworks & Software Standards
1 17 (47.22%) D3.js
1 17 (47.22%) Shiny
2 5 (13.89%) TensorFlow
3 3 (8.33%) ATL
4 2 (5.56%) scikit-learn
5 1 (2.78%) .NET
5 1 (2.78%) Anaconda
5 1 (2.78%) Kafka
5 1 (2.78%) NumPy
5 1 (2.78%) Pandas
5 1 (2.78%) PySpark
5 1 (2.78%) XGBoost
Miscellaneous
1 22 (61.11%) Algorithms
2 17 (47.22%) Management Information System
2 17 (47.22%) Social Media
3 1 (2.78%) NHS
Operating Systems
1 1 (2.78%) Windows
Processes & Methodologies
1 36 (100.00%) Data Science
2 31 (86.11%) Machine Learning
3 28 (77.78%) Analytics
4 25 (69.44%) Visualisation
5 20 (55.56%) CRM
5 20 (55.56%) Mathematics
5 20 (55.56%) Statistics
6 19 (52.78%) Data Analysis
7 18 (50.00%) Business Intelligence
7 18 (50.00%) Decision-Making
7 18 (50.00%) Deep Learning
7 18 (50.00%) Problem-Solving
8 17 (47.22%) Asset Management
8 17 (47.22%) B2B
8 17 (47.22%) Bayesian Methods
8 17 (47.22%) Data Sharing
8 17 (47.22%) Digital Analytics
8 17 (47.22%) Digital Marketing
8 17 (47.22%) Investment Management
8 17 (47.22%) Mentoring
Programming Languages
1 33 (91.67%) Python
2 29 (80.56%) SQL
3 27 (75.00%) R
4 17 (47.22%) VBA
5 3 (8.33%) Java
6 2 (5.56%) C
6 2 (5.56%) C++
7 1 (2.78%) C#
7 1 (2.78%) JavaScript
7 1 (2.78%) PL/SQL
7 1 (2.78%) Scala
Qualifications
1 21 (58.33%) Degree
2 3 (8.33%) PhD
System Software
1 1 (2.78%) Docker
Vendors
1 17 (47.22%) Alteryx
1 17 (47.22%) Salesforce.com
2 1 (2.78%) Cognos
2 1 (2.78%) IBM
2 1 (2.78%) Oracle