Period
to 15 July 2018

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 15 July 2018.

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
15 Jul 2018
Same period 2017 Same period 2016
Rank 202 195 214
Rank change year-on-year -7 +19 +63
Contract jobs requiring a Data Scientist 50 42 24
As % of all contract IT jobs advertised in the City of London 0.71% 0.64% 0.35%
As % of the Job Titles category 0.74% 0.67% 0.37%
Number of daily rates quoted 40 35 22
City of London median daily rate £550 £555 £575
Median daily rate % change year-on-year -0.90% -3.48% -
10th Percentile £437 £325 £394
90th Percentile £626 £750 £768
Central London median daily rate £550 £555 £563
% change year-on-year -0.90% -1.33% -2.17%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 6,724 6,247 6,513
% of contract IT jobs with a recognized job title 94.81% 95.90% 95.57%
Number of daily rates quoted 5,288 4,802 5,221
City of London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £313 £310 £300
90th Percentile £688 £675 £650
Central London median daily rate £500 £485 £450
% change year-on-year +3.09% +7.78% -
Number of hourly rates quoted 122 77 84
City of London median hourly rate £18.70 £17.77 £19.00
Median hourly rate % change year-on-year +5.23% -6.47% -1.64%
10th Percentile £12.53 £12.52 £11.33
90th Percentile £32.70 £30.03 £32.18
Central London median hourly rate £18.70 £17.00 £19.00
% change year-on-year +10.00% -10.53% -

Data Scientist
Job Vacancy Trend in the City of London

Job postings that featured Data Scientist in the job title as a percentage 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

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Scientist in the City of London.

Contractor daily rate trend for Data Scientist in the City of London

Data Scientist
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Scientist in the City of London over the 6 months to 15 July 2018.

Contractor 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 15 July 2018, 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 50 (100.00%) Data Science
2 47 (94.00%) Python
3 32 (64.00%) Machine Learning
4 28 (56.00%) R
5 21 (42.00%) Mathematics
6 18 (36.00%) PhD
6 18 (36.00%) Big Data
7 16 (32.00%) SQL
7 16 (32.00%) Finance
8 14 (28.00%) Algorithms
9 12 (24.00%) Computer Science
10 11 (22.00%) Hadoop
10 11 (22.00%) Analytics
11 10 (20.00%) Predictive Modelling
11 10 (20.00%) Statistics
11 10 (20.00%) Degree
11 10 (20.00%) Problem-Solving
12 9 (18.00%) Data Analysis
12 9 (18.00%) Deep Learning
12 9 (18.00%) Natural Language Processing
12 9 (18.00%) TensorFlow
13 8 (16.00%) Analytical Skills
14 7 (14.00%) Prototyping
14 7 (14.00%) Visualisation
14 7 (14.00%) MATLAB
14 7 (14.00%) Banking
14 7 (14.00%) Java
15 6 (12.00%) SAS
15 6 (12.00%) Applied Mathematics
15 6 (12.00%) Marketing

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 6 (12.00%) Apache Spark
1 6 (12.00%) SAS
2 4 (8.00%) Jupyter
3 2 (4.00%) Apache Pig
4 1 (2.00%) Apache
4 1 (2.00%) Elasticsearch
Applications
1 1 (2.00%) Chatbot
Cloud Services
1 2 (4.00%) Google Analytics
2 1 (2.00%) Adobe Analytics
Database & Business Intelligence
1 18 (36.00%) Big Data
2 11 (22.00%) Hadoop
3 6 (12.00%) NoSQL
4 4 (8.00%) Apache Cassandra
4 4 (8.00%) Apache Hive
4 4 (8.00%) MongoDB
4 4 (8.00%) Relational Database
5 3 (6.00%) Data Mining
6 2 (4.00%) HBase
6 2 (4.00%) RDBMS
6 2 (4.00%) SQL Server
6 2 (4.00%) Sqoop
7 1 (2.00%) Amazon Athena
7 1 (2.00%) Amazon Redshift
7 1 (2.00%) Data Warehouse
7 1 (2.00%) Looker
7 1 (2.00%) Power BI
7 1 (2.00%) QlikView
7 1 (2.00%) SQL Server Analysis Services
7 1 (2.00%) SQL Server Reporting Services
Development Applications
1 1 (2.00%) Git (software)
General
1 16 (32.00%) Finance
2 7 (14.00%) Banking
3 6 (12.00%) Marketing
4 2 (4.00%) Retail
5 1 (2.00%) Games
5 1 (2.00%) Investment Banking
Libraries, Frameworks & Software Standards
1 9 (18.00%) Natural Language Processing
1 9 (18.00%) TensorFlow
2 6 (12.00%) scikit-learn
3 5 (10.00%) Kafka
4 4 (8.00%) Keras
5 2 (4.00%) Torch
6 1 (2.00%) Deeplearning4j
6 1 (2.00%) NumPy
6 1 (2.00%) OpenNLP
6 1 (2.00%) Pandas
Miscellaneous
1 14 (28.00%) Algorithms
2 12 (24.00%) Computer Science
3 8 (16.00%) Analytical Skills
4 3 (6.00%) User Experience
5 2 (4.00%) Greenfield Project
6 1 (2.00%) Data Structures
6 1 (2.00%) Management Information System
6 1 (2.00%) Robotics
Processes & Methodologies
1 50 (100.00%) Data Science
2 32 (64.00%) Machine Learning
3 21 (42.00%) Mathematics
4 11 (22.00%) Analytics
5 10 (20.00%) Predictive Modelling
5 10 (20.00%) Problem-Solving
5 10 (20.00%) Statistics
6 9 (18.00%) Data Analysis
6 9 (18.00%) Deep Learning
7 7 (14.00%) Prototyping
7 7 (14.00%) Visualisation
8 6 (12.00%) Applied Mathematics
9 5 (10.00%) Business Intelligence
10 4 (8.00%) Actionable Insight
10 4 (8.00%) Data Modelling
10 4 (8.00%) E-Commerce
10 4 (8.00%) Linear Programming
10 4 (8.00%) Open Source
10 4 (8.00%) Sentiment Analysis
10 4 (8.00%) Statistical Learning
Programming Languages
1 47 (94.00%) Python
2 28 (56.00%) R
3 16 (32.00%) SQL
4 7 (14.00%) Java
4 7 (14.00%) MATLAB
5 6 (12.00%) Scala
6 2 (4.00%) Julia
6 2 (4.00%) PL/SQL
7 1 (2.00%) C++
Qualifications
1 18 (36.00%) PhD
2 10 (20.00%) Degree
3 1 (2.00%) Numerate Degree
Quality Assurance & Compliance
1 3 (6.00%) Data Quality
1 3 (6.00%) QA
System Software
1 2 (4.00%) Apache Flume
Vendors
1 4 (8.00%) Tableau
2 3 (6.00%) Hortonworks
3 2 (4.00%) Google
3 2 (4.00%) Oracle
4 1 (2.00%) Adobe
4 1 (2.00%) Omniture
4 1 (2.00%) Splunk