Period
to 18 November 2018

The median contractor rate for a Data Scientist was £550 per day in advertised job vacancies in London during the 6 months to 18 November 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
England > London
6 months to
18 Nov 2018
Same period 2017 Same period 2016
Rank 397 377 456
Rank change year-on-year -20 +79 +107
Contract jobs requiring a Data Scientist 236 275 169
As % of all contract IT jobs advertised in London 0.52% 0.59% 0.37%
As % of the Job Titles category 0.55% 0.62% 0.39%
Number of daily rates quoted 142 212 113
London median daily rate £550 £563 £525
Median daily rate % change year-on-year -2.22% +7.14% +5.00%
10th Percentile £365 £363 £406
90th Percentile £675 £725 £635
England median daily rate £550 £538 £500
% change year-on-year +2.33% +7.50% -
Number of hourly rates quoted 2 0 1
London median hourly rate £45.00 - £11.40
England median hourly rate £45.00 £45.00 £26.00
% change year-on-year - +73.08% -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in 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
London
Contract vacancies in London with a recognized job title 43,250 44,205 43,024
% of contract IT jobs with a recognized job title 94.77% 94.96% 95.11%
Number of daily rates quoted 31,225 32,000 30,638
London median daily rate £500 £493 £460
Median daily rate % change year-on-year +1.52% +7.07% +2.22%
10th Percentile £313 £300 £288
90th Percentile £675 £663 £638
England median daily rate £450 £450 £425
% change year-on-year - +5.88% +3.03%
Number of hourly rates quoted 597 554 562
London median hourly rate £19.50 £20.00 £19.50
Median hourly rate % change year-on-year -2.50% +2.56% +2.96%
10th Percentile £12.50 £12.15 £11.41
90th Percentile £54.30 £47.83 £50.00
England median hourly rate £18.50 £18.63 £18.45
% change year-on-year -0.67% +0.95% +3.83%

Data Scientist
Job Vacancy Trend in London

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

Job vacancy trend for Data Scientist in London

Data Scientist
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Data Scientist in London

Data Scientist
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Data Scientist in London over the 6 months to 18 November 2018.

Contractor daily rate histogram for Data Scientist in London

Data Scientist
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Scientist in London.

Contractor hourly rate trend for Data Scientist in London

Data Scientist
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Scientist within the London region over the 6 months to 18 November 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
Central London +6 61 £550 -5.17% 20
East London -7 17 £575 -36.11% 1
West London -3 6 £600 +29.03% 2
South London -10 5 £500 -37.50%
North London - 3 £588 -
Data Scientist
England

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

For the 6 months to 18 November 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 London region featuring Data Scientist in the job title.

1 236 (100.00%) Data Science
2 197 (83.47%) Python
3 153 (64.83%) Machine Learning
4 95 (40.25%) Analytics
5 93 (39.41%) R
6 88 (37.29%) Mathematics
7 85 (36.02%) Algorithms
8 82 (34.75%) Finance
9 77 (32.63%) PhD
10 76 (32.20%) SQL
11 68 (28.81%) Statistics
12 62 (26.27%) Computer Science
12 62 (26.27%) Apache Spark
12 62 (26.27%) Big Data
13 60 (25.42%) Hadoop
14 56 (23.73%) Deep Learning
15 51 (21.61%) Visualisation
16 47 (19.92%) Natural Language Processing
16 47 (19.92%) TensorFlow
17 45 (19.07%) Degree
17 45 (19.07%) Agile Software Development
18 44 (18.64%) Artificial Intelligence
19 41 (17.37%) Scala
20 39 (16.53%) Analytical Skills
21 33 (13.98%) Statistical Modelling
21 33 (13.98%) Problem-Solving
22 30 (12.71%) Banking
23 29 (12.29%) SAS
23 29 (12.29%) MATLAB
23 29 (12.29%) scikit-learn

Data Scientist Skill Set
Co-occurring IT Skills in 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 62 (26.27%) Apache Spark
2 29 (12.29%) SAS
3 15 (6.36%) Elasticsearch
4 14 (5.93%) SharePoint
5 10 (4.24%) Jupyter
6 6 (2.54%) Apache Pig
7 1 (0.42%) Apache
7 1 (0.42%) Apache Solr
7 1 (0.42%) BizTalk Server
Applications
1 13 (5.51%) Chatbot
2 2 (0.85%) GNU Octave
2 2 (0.85%) Mathematica
2 2 (0.85%) Microsoft Excel
3 1 (0.42%) Spreadsheet
Business Applications
1 1 (0.42%) Oracle AML
Cloud Services
1 23 (9.75%) Amazon AWS
2 19 (8.05%) Google Cloud Platform
3 11 (4.66%) Microsoft Azure
4 7 (2.97%) Cloud Computing
5 5 (2.12%) Amazon EMR
6 2 (0.85%) Google Analytics
7 1 (0.42%) Adobe Analytics
7 1 (0.42%) Amazon Kinesis
7 1 (0.42%) Amazon S3
7 1 (0.42%) Amazon SageMaker
7 1 (0.42%) Azure Data Factory
7 1 (0.42%) Cortana Intelligence Suite
7 1 (0.42%) Data Lake Analytics
Communications & Networking
1 2 (0.85%) Internet
2 1 (0.42%) HTTP
Database & Business Intelligence
1 62 (26.27%) Big Data
2 60 (25.42%) Hadoop
3 20 (8.47%) Data Mining
4 19 (8.05%) Apache Hive
5 17 (7.20%) NoSQL
6 14 (5.93%) Relational Database
7 11 (4.66%) Neo4j
8 10 (4.24%) MongoDB
8 10 (4.24%) PostgreSQL
8 10 (4.24%) Spotfire
9 7 (2.97%) Apache Cassandra
9 7 (2.97%) HBase
9 7 (2.97%) Power BI
9 7 (2.97%) Sqoop
10 5 (2.12%) Impala
11 4 (1.69%) BigQuery
11 4 (1.69%) QlikView
11 4 (1.69%) Text Mining
12 3 (1.27%) Data Lake
12 3 (1.27%) Data Warehouse
Development Applications
1 9 (3.81%) Git (software)
2 8 (3.39%) GitLab
3 3 (1.27%) Jenkins
4 1 (0.42%) JIRA
4 1 (0.42%) RStudio
4 1 (0.42%) Visual Studio Team System
General
1 82 (34.75%) Finance
2 30 (12.71%) Banking
3 17 (7.20%) Marketing
4 14 (5.93%) Retail
5 6 (2.54%) Retail Banking
6 4 (1.69%) Advertising
6 4 (1.69%) Investment Banking
6 4 (1.69%) Publishing
7 2 (0.85%) Financial Institution
7 2 (0.85%) Front Office
7 2 (0.85%) Games
8 1 (0.42%) Electronics
8 1 (0.42%) Legal
8 1 (0.42%) Private Banking
8 1 (0.42%) Telecoms
Libraries, Frameworks & Software Standards
1 47 (19.92%) Natural Language Processing
1 47 (19.92%) TensorFlow
2 29 (12.29%) scikit-learn
3 26 (11.02%) Keras
4 20 (8.47%) Pandas
5 19 (8.05%) Caffe
6 16 (6.78%) Theano
7 11 (4.66%) Kafka
8 9 (3.81%) NumPy
8 9 (3.81%) PySpark
9 6 (2.54%) MLlib
9 6 (2.54%) Node.js
9 6 (2.54%) OpenCV
10 5 (2.12%) SciPy
10 5 (2.12%) Torch
11 3 (1.27%) Elastic Stack
11 3 (1.27%) Matplotlib
11 3 (1.27%) PyMC3
11 3 (1.27%) REST
12 2 (0.85%) Flask
Miscellaneous
1 85 (36.02%) Algorithms
2 62 (26.27%) Computer Science
3 39 (16.53%) Analytical Skills
4 8 (3.39%) Data Structures
5 7 (2.97%) User Experience
6 4 (1.69%) Fintech
7 3 (1.27%) Greenfield Project
7 3 (1.27%) Management Information System
8 2 (0.85%) Clustering
8 2 (0.85%) FMCG
8 2 (0.85%) NHS
8 2 (0.85%) Robotics
9 1 (0.42%) Cloud Native
9 1 (0.42%) Hedge funds
9 1 (0.42%) Life Science
9 1 (0.42%) Linked Data
9 1 (0.42%) Mainframe
9 1 (0.42%) New Media
9 1 (0.42%) Smart Energy
9 1 (0.42%) Social Media
Operating Systems
1 10 (4.24%) Linux
Processes & Methodologies
1 236 (100.00%) Data Science
2 153 (64.83%) Machine Learning
3 95 (40.25%) Analytics
4 88 (37.29%) Mathematics
5 68 (28.81%) Statistics
6 56 (23.73%) Deep Learning
7 51 (21.61%) Visualisation
8 45 (19.07%) Agile Software Development
9 44 (18.64%) Artificial Intelligence
10 33 (13.98%) Problem-Solving
10 33 (13.98%) Statistical Modelling
11 23 (9.75%) Predictive Modelling
12 22 (9.32%) ETL
13 21 (8.90%) Creative Problem-Solving
13 21 (8.90%) Data Analysis
13 21 (8.90%) Prototyping
14 20 (8.47%) Predictive Analytics
15 19 (8.05%) Data Analytics
15 19 (8.05%) Software Engineering
16 17 (7.20%) Data Visualisation
Programming Languages
1 197 (83.47%) Python
2 93 (39.41%) R
3 76 (32.20%) SQL
4 41 (17.37%) Scala
5 29 (12.29%) MATLAB
6 28 (11.86%) Java
7 17 (7.20%) C++
8 9 (3.81%) Cypher
9 8 (3.39%) Bash Shell
10 3 (1.27%) C#
10 3 (1.27%) JavaScript
11 2 (0.85%) C
12 1 (0.42%) Perl
12 1 (0.42%) Ruby
12 1 (0.42%) Shell Script
12 1 (0.42%) VBA
Qualifications
1 77 (32.63%) PhD
2 45 (19.07%) Degree
3 23 (9.75%) Master's Degree
4 13 (5.51%) Security Cleared
5 11 (4.66%) Computer Science Degree
6 10 (4.24%) SC Cleared
7 6 (2.54%) Numerate Degree
8 2 (0.85%) MBA
9 1 (0.42%) BC Cleared
9 1 (0.42%) OSCP
Quality Assurance & Compliance
1 16 (6.78%) QA
2 11 (4.66%) Data Quality
System Software
1 11 (4.66%) Docker
2 7 (2.97%) Apache Flume
3 2 (0.85%) HDFS
Systems Management
1 9 (3.81%) Kubernetes
2 1 (0.42%) Ansible
2 1 (0.42%) Kibana
2 1 (0.42%) Oozie
Vendors
1 23 (9.75%) Google
2 15 (6.36%) Oracle
3 14 (5.93%) Hortonworks
3 14 (5.93%) Microsoft
4 12 (5.08%) Tableau
5 7 (2.97%) Cloudera
5 7 (2.97%) IBM
6 3 (1.27%) Databricks
7 2 (0.85%) Omniture
8 1 (0.42%) Adobe
8 1 (0.42%) Alteryx
8 1 (0.42%) Avid
8 1 (0.42%) Bloomberg
8 1 (0.42%) Pegasus
8 1 (0.42%) Progress
8 1 (0.42%) Reuters
8 1 (0.42%) Syncsort