Period
to

The median contractor rate for a Data Scientist was £575 per day in advertised job vacancies in the City of London during the 6 months to 29 June 2022.

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
29 Jun 2022
Same period 2021 Same period 2020
Rank 173 132 125
Rank change year-on-year -41 -7 +57
Contract jobs requiring a Data Scientist 18 35 21
As % of all contract jobs advertised in the City of London 0.42% 1.12% 0.77%
As % of the Job Titles category 0.45% 1.19% 0.82%
Number of daily rates quoted 11 16 16
10th Percentile £463 £215 £387
25th Percentile £525 £317 £422
Median daily rate (50th Percentile) £575 £538 £538
Median % change year-on-year +6.98% - -10.42%
75th Percentile £606 £591 £675
90th Percentile £619 £675 £694
Central London median daily rate £575 £525 £550
% change year-on-year +9.52% -4.55% -8.33%
Number of hourly rates quoted 2 0 2
10th Percentile £47.70 - -
25th Percentile £48.38 - £37.75
Median hourly rate £51.00 - £38.50
75th Percentile £53.88 - £39.25
90th Percentile £54.70 - -
Central London median hourly rate £51.00 - £38.50
% change year-on-year - - +10.00%

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 4,021 2,933 2,547
% of contract IT jobs with a recognized job title 93.34% 93.86% 93.61%
Number of daily rates quoted 2,975 2,156 1,912
10th Percentile £358 £350 £306
25th Percentile £463 £450 £413
Median daily rate (50th Percentile) £565 £550 £503
Median % change year-on-year +2.73% +9.45% -2.43%
75th Percentile £688 £638 £600
90th Percentile £775 £715 £675
Central London median daily rate £550 £543 £500
% change year-on-year +1.38% +8.50% -2.44%
Number of hourly rates quoted 46 38 38
10th Percentile £17.50 £12.26 £12.48
25th Percentile £26.00 £13.97 £14.41
Median hourly rate £44.50 £22.75 £26.22
Median % change year-on-year +95.60% -13.23% +31.10%
75th Percentile £55.63 £31.68 £39.25
90th Percentile £64.13 £39.10 £53.70
Central London median hourly rate £43.00 £22.50 £26.44
% change year-on-year +91.11% -14.90% +32.20%

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 29 June 2022.

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 29 June 2022, Data Scientist contract jobs required 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 City of London region featuring Data Scientist in the job title.

1 18 (100.00%) Python
1 18 (100.00%) Data Science
2 14 (77.78%) Machine Learning
3 10 (55.56%) Analytics
3 10 (55.56%) TensorFlow
4 8 (44.44%) Deep Learning
4 8 (44.44%) Data Mining
4 8 (44.44%) Statistics
4 8 (44.44%) Natural Language Processing
4 8 (44.44%) PyTorch
5 7 (38.89%) Data Pipeline
5 7 (38.89%) Clean Code
5 7 (38.89%) Fintech
6 6 (33.33%) Computer Vision
7 5 (27.78%) SQL
8 4 (22.22%) Finance
8 4 (22.22%) Mathematics
8 4 (22.22%) Computer Science
8 4 (22.22%) Analytical Skills
8 4 (22.22%) Matplotlib
8 4 (22.22%) R
9 3 (16.67%) Big Data
9 3 (16.67%) GitHub
9 3 (16.67%) Apache Spark
9 3 (16.67%) Azure
9 3 (16.67%) Artificial Intelligence
9 3 (16.67%) Algorithms
10 2 (11.11%) PySpark
10 2 (11.11%) Data Modelling
10 2 (11.11%) Data Analysis

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 3 (16.67%) Apache Spark
2 1 (5.56%) Jupyter
Cloud Services
1 3 (16.67%) Azure
1 3 (16.67%) GitHub
2 2 (11.11%) AWS
3 1 (5.56%) Amazon SageMaker
3 1 (5.56%) Azure Data Factory
3 1 (5.56%) Azure Machine Learning
Database & Business Intelligence
1 8 (44.44%) Data Mining
2 3 (16.67%) Big Data
3 2 (11.11%) Apache Hive
4 1 (5.56%) Data Warehouse
4 1 (5.56%) Hadoop
4 1 (5.56%) NoSQL
4 1 (5.56%) Parquet
4 1 (5.56%) RDBMS
4 1 (5.56%) Relational Database
4 1 (5.56%) SQL Server
Development Applications
1 1 (5.56%) MLflow
1 1 (5.56%) Visual Studio Code
General
1 4 (22.22%) Analytical Skills
1 4 (22.22%) Finance
2 1 (5.56%) Banking
2 1 (5.56%) Front Office
2 1 (5.56%) Social Skills
Libraries, Frameworks & Software Standards
1 10 (55.56%) TensorFlow
2 8 (44.44%) PyTorch
3 4 (22.22%) Matplotlib
4 2 (11.11%) Pandas
4 2 (11.11%) PySpark
4 2 (11.11%) scikit-learn
5 1 (5.56%) CoreNLP
5 1 (5.56%) Gensim
5 1 (5.56%) Kafka
5 1 (5.56%) NLTK
5 1 (5.56%) NumPy
5 1 (5.56%) SpaCy
Miscellaneous
1 3 (16.67%) Algorithms
2 2 (11.11%) Social Media
3 1 (5.56%) Data Structures
3 1 (5.56%) Management Information System
Processes & Methodologies
1 18 (100.00%) Data Science
2 14 (77.78%) Machine Learning
3 10 (55.56%) Analytics
4 8 (44.44%) Deep Learning
4 8 (44.44%) Natural Language Processing
4 8 (44.44%) Statistics
5 7 (38.89%) Clean Code
5 7 (38.89%) Data Pipeline
5 7 (38.89%) Fintech
6 6 (33.33%) Computer Vision
7 4 (22.22%) Computer Science
7 4 (22.22%) Mathematics
8 3 (16.67%) Artificial Intelligence
9 2 (11.11%) Data Analysis
9 2 (11.11%) Data Modelling
9 2 (11.11%) ITSM
9 2 (11.11%) Service Management
9 2 (11.11%) Validation
9 2 (11.11%) Visualisation
10 1 (5.56%) Migration
Programming Languages
1 18 (100.00%) Python
2 5 (27.78%) SQL
3 4 (22.22%) R
4 2 (11.11%) Scala
Qualifications
1 2 (11.11%) Degree
1 2 (11.11%) PhD
System Software
1 1 (5.56%) Docker
Systems Management
1 1 (5.56%) Kubernetes
Vendors
1 1 (5.56%) Databricks