Period
to 20 July 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Data Science skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Science over the 6 months to 20 July 2019 with a comparison to the 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 Science
Central London > City of London
6 months to
20 Jul 2019
Same period 2018 Same period 2017
Rank 57 121 140
Rank change year-on-year +64 +19 +55
Contract jobs citing Data Science 278 146 90
As % of all contract IT jobs advertised in the City of London 4.15% 2.06% 1.40%
As % of the Processes & Methodologies category 4.63% 2.34% 1.57%
Number of daily rates quoted 232 111 51
City of London median daily rate £550 £550 £550
10th Percentile £463 £450 £325
90th Percentile £649 £675 £763
Central London median daily rate £550 £550 £560
% change year-on-year - -1.79% +12.00%
Number of hourly rates quoted 1 0 2
City of London median hourly rate £35.00 - £28.35
10th Percentile £32.50 - £26.92
90th Percentile £37.50 - £29.77
Central London median hourly rate £35.00 - £28.35

Data Science is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 6,000 6,247 5,720
As % of all contract IT jobs advertised in the City of London 89.66% 87.95% 88.76%
Number of daily rates quoted 4,670 4,935 4,417
City of London median daily rate £525 £510 £500
Median daily rate % change year-on-year +2.94% +2.00% +5.26%
10th Percentile £350 £331 £313
90th Percentile £675 £688 £675
Central London median daily rate £525 £500 £500
% change year-on-year +5.00% - +6.50%
Number of hourly rates quoted 72 112 57
City of London median hourly rate £21.25 £18.70 £20.50
Median hourly rate % change year-on-year +13.64% -8.78% +2.55%
10th Percentile £11.25 £13.00 £13.13
90th Percentile £56.23 £33.00 £31.60
Central London median hourly rate £21.34 £18.70 £18.70
% change year-on-year +14.12% - -6.50%

Data Science
Job Vacancy Trend in the City of London

Job postings citing Data Science as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Data Science in the City of London

Data Science
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 Science in the City of London.

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

Data Science
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Science in the City of London over the 6 months to 20 July 2019.

Contractor daily rate histogram for Data Science in the City of London

Data Science
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Science within the City of London region over the 6 months to 20 July 2019. 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
London Bridge +14 91 £525 +1.94%
Moorgate - 10 £575 -
Data Science
Central London

For the 6 months to 20 July 2019, IT contractor jobs citing Data Science also mentioned 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 with a requirement for Data Science.

1 175 (62.95%) Python
2 138 (49.64%) Apache Spark
3 136 (48.92%) Finance
4 131 (47.12%) Big Data
5 125 (44.96%) Machine Learning
6 108 (38.85%) SQL
7 104 (37.41%) Analytics
8 94 (33.81%) Amazon AWS
9 80 (28.78%) Hadoop
10 79 (28.42%) Google
11 75 (26.98%) Microsoft Azure
12 73 (26.26%) Google Cloud Platform
13 72 (25.90%) Data Modelling
14 63 (22.66%) Agile Software Development
14 63 (22.66%) Apache Hive
15 62 (22.30%) PySpark
16 61 (21.94%) Kafka
17 58 (20.86%) Data Engineering
17 58 (20.86%) Data Warehouse
18 53 (19.06%) Java
19 52 (18.71%) Apache
20 51 (18.35%) Apache Airflow
21 49 (17.63%) Mentoring
22 48 (17.27%) Coaching
22 48 (17.27%) Data Cleansing
23 46 (16.55%) Artificial Intelligence
24 45 (16.19%) Data Quality
25 41 (14.75%) R
26 40 (14.39%) OLAP
27 38 (13.67%) Star Schema

Data Science
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
1 138 (49.64%) Apache Spark
2 52 (18.71%) Apache
3 51 (18.35%) Apache Airflow
4 9 (3.24%) Confluence
5 8 (2.88%) Jupyter
6 6 (2.16%) Elasticsearch
6 6 (2.16%) SAS
7 3 (1.08%) Apache Pig
8 2 (0.72%) Apache Solr
8 2 (0.72%) Luigi
8 2 (0.72%) SharePoint
9 1 (0.36%) IPython
Applications
1 7 (2.52%) Microsoft Excel
2 2 (0.72%) SPSS
3 1 (0.36%) Spreadsheet
3 1 (0.36%) Stata
Business Applications
1 2 (0.72%) Distributed Ledger
Cloud Services
1 94 (33.81%) Amazon AWS
2 75 (26.98%) Microsoft Azure
3 73 (26.26%) Google Cloud Platform
4 15 (5.40%) Power Platform
5 10 (3.60%) Amazon S3
5 10 (3.60%) Amazon SageMaker
6 7 (2.52%) Amazon EMR
7 6 (2.16%) Serverless
8 4 (1.44%) Amazon EC2
8 4 (1.44%) GitHub
8 4 (1.44%) Google Analytics
9 3 (1.08%) Amazon ElastiCache
9 3 (1.08%) Amazon Kinesis
9 3 (1.08%) Amazon SQS
9 3 (1.08%) AWS CloudFormation
9 3 (1.08%) AWS Lambda
10 2 (0.72%) Adobe Analytics
10 2 (0.72%) Amazon CloudWatch
10 2 (0.72%) AWS CloudTrail
10 2 (0.72%) Yammer
Communications & Networking
1 2 (0.72%) Internet
2 1 (0.36%) HTTP
2 1 (0.36%) HTTPS
2 1 (0.36%) Intrusion Detection
2 1 (0.36%) SMTP
Database & Business Intelligence
1 131 (47.12%) Big Data
2 80 (28.78%) Hadoop
3 63 (22.66%) Apache Hive
4 58 (20.86%) Data Warehouse
5 40 (14.39%) OLAP
6 38 (13.67%) Enterprise Data Warehouse
6 38 (13.67%) OLAP Cube
6 38 (13.67%) Star Schema
7 15 (5.40%) Power BI
8 12 (4.32%) NoSQL
8 12 (4.32%) PostgreSQL
9 11 (3.96%) Data Lake
10 9 (3.24%) Amazon Redshift
10 9 (3.24%) HBase
10 9 (3.24%) Relational Database
11 7 (2.52%) MongoDB
11 7 (2.52%) SQL Server
12 6 (2.16%) Apache Cassandra
12 6 (2.16%) Impala
12 6 (2.16%) MySQL
Development Applications
1 29 (10.43%) Git (software)
2 14 (5.04%) Jenkins
3 13 (4.68%) JIRA
4 9 (3.24%) RStudio
5 7 (2.52%) Atlassian Bamboo
5 7 (2.52%) IBM UrbanCode
6 5 (1.80%) Octopus Deploy
6 5 (1.80%) TeamCity
7 4 (1.44%) Team Foundation Server
8 3 (1.08%) JUnit
8 3 (1.08%) Mockito
9 2 (0.72%) IntelliJ
9 2 (0.72%) Maven
9 2 (0.72%) Visual Studio
10 1 (0.36%) Bitbucket Server
10 1 (0.36%) Hudson
10 1 (0.36%) Subversion
General
1 136 (48.92%) Finance
2 22 (7.91%) Banking
3 10 (3.60%) Law
4 9 (3.24%) Retail
5 7 (2.52%) Front Office
5 7 (2.52%) Legal
5 7 (2.52%) Marketing
6 5 (1.80%) Advertising
7 3 (1.08%) Investment Banking
7 3 (1.08%) Publishing
8 2 (0.72%) Financial Institution
9 1 (0.36%) Games
9 1 (0.36%) Manufacturing
9 1 (0.36%) Retail Banking
Job Titles
1 126 (45.32%) Data Engineer
2 67 (24.10%) Python Engineer
3 60 (21.58%) Data Scientist
4 49 (17.63%) Big Data Engineer
5 47 (16.91%) Hadoop Engineer
6 33 (11.87%) Developer
7 13 (4.68%) Python Developer
8 12 (4.32%) Senior Data Scientist
9 10 (3.60%) Analyst
10 9 (3.24%) Azure Engineer
11 8 (2.88%) DevOps Engineer
11 8 (2.88%) Machine Learning Scientist
12 7 (2.52%) Architect
12 7 (2.52%) Business Intelligence Developer
12 7 (2.52%) Data Analyst
12 7 (2.52%) Java Engineer
12 7 (2.52%) Platform Engineer
12 7 (2.52%) Unix Engineer
13 6 (2.16%) Agile Developer
14 5 (1.80%) AWS Engineer
Libraries, Frameworks & Software Standards
1 62 (22.30%) PySpark
2 61 (21.94%) Kafka
3 31 (11.15%) Natural Language Processing
4 20 (7.19%) scikit-learn
5 13 (4.68%) NumPy
5 13 (4.68%) Pandas
6 10 (3.60%) MLlib
6 10 (3.60%) Play Framework
7 9 (3.24%) .NET
7 9 (3.24%) TensorFlow
8 8 (2.88%) SciPy
9 6 (2.16%) RESTful
9 6 (2.16%) Spring
9 6 (2.16%) Web Services
10 5 (1.80%) SpaCy
10 5 (1.80%) Spark Streaming
11 4 (1.44%) .NET Core
11 4 (1.44%) Anaconda
11 4 (1.44%) ASP.NET Web API
11 4 (1.44%) REST
Miscellaneous
1 35 (12.59%) Algorithms
2 18 (6.47%) Analytical Skills
3 17 (6.12%) Data Structures
4 7 (2.52%) Social Media
5 6 (2.16%) User Experience
6 4 (1.44%) Cloud Native
7 3 (1.08%) NHS
8 2 (0.72%) Enterprise Software
8 2 (0.72%) Foreign Exchange (FX)
8 2 (0.72%) Greenfield Project
8 2 (0.72%) Mobile App
8 2 (0.72%) Public Cloud
8 2 (0.72%) Self-Motivation
9 1 (0.36%) Derivative
9 1 (0.36%) Hedge funds
9 1 (0.36%) Internet of Things
9 1 (0.36%) Linked Data
9 1 (0.36%) Robotics
9 1 (0.36%) Smart Home
9 1 (0.36%) Virtual Team
Operating Systems
1 18 (6.47%) Linux
2 12 (4.32%) Unix
3 6 (2.16%) Windows
4 3 (1.08%) Red Hat Enterprise Linux
5 1 (0.36%) CentOS
Processes & Methodologies
1 125 (44.96%) Machine Learning
2 104 (37.41%) Analytics
3 72 (25.90%) Data Modelling
4 63 (22.66%) Agile Software Development
5 58 (20.86%) Data Engineering
6 49 (17.63%) Mentoring
7 48 (17.27%) Coaching
7 48 (17.27%) Data Cleansing
8 46 (16.55%) Artificial Intelligence
9 38 (13.67%) SQL Optimisation
10 34 (12.23%) DevOps
11 27 (9.71%) Mathematics
12 24 (8.63%) Business Intelligence
12 24 (8.63%) Data Analytics
13 23 (8.27%) ETL
13 23 (8.27%) Microservices
14 22 (7.91%) Visualisation
15 20 (7.19%) Scrum
15 20 (7.19%) Software Engineering
16 18 (6.47%) Statistics
Programming Languages
1 175 (62.95%) Python
2 108 (38.85%) SQL
3 53 (19.06%) Java
4 41 (14.75%) R
5 30 (10.79%) Scala
6 26 (9.35%) C++
7 11 (3.96%) C#
8 6 (2.16%) Bash Shell
8 6 (2.16%) C
8 6 (2.16%) MATLAB
9 5 (1.80%) JavaScript
10 4 (1.44%) Go
10 4 (1.44%) Shell Script
11 3 (1.08%) Kotlin
12 2 (0.72%) AWK
12 2 (0.72%) HiveQL
12 2 (0.72%) PHP
12 2 (0.72%) PowerShell
12 2 (0.72%) Ruby
12 2 (0.72%) sed
Qualifications
1 19 (6.83%) Degree
2 17 (6.12%) PhD
3 8 (2.88%) Numerate Degree
4 4 (1.44%) Security Cleared
5 2 (0.72%) Master's Degree
5 2 (0.72%) SC Cleared
6 1 (0.36%) BPSS Clearance
6 1 (0.36%) Computer Science Degree
6 1 (0.36%) Postgraduate
Quality Assurance & Compliance
1 45 (16.19%) Data Quality
2 2 (0.72%) QA
3 1 (0.36%) GDPR
System Software
1 24 (8.63%) Docker
2 8 (2.88%) HDFS
3 3 (1.08%) Apache Flume
4 2 (0.72%) Active Directory
Systems Management
1 38 (13.67%) Oozie
2 15 (5.40%) Kubernetes
3 10 (3.60%) Ansible
3 10 (3.60%) Hadoop YARN
4 7 (2.52%) Puppet
5 5 (1.80%) Terraform
6 2 (0.72%) Opscode Chef
7 1 (0.36%) Docker Swarm
7 1 (0.36%) EMC NetWorker
7 1 (0.36%) Nagios
7 1 (0.36%) Systems Management Server (SMS)
Vendors
1 79 (28.42%) Google
2 15 (5.40%) Tableau
3 13 (4.68%) Microsoft
4 6 (2.16%) Oracle
5 4 (1.44%) Cognos
6 3 (1.08%) Ab Initio
6 3 (1.08%) Cloudera
6 3 (1.08%) SAP
6 3 (1.08%) Teradata
7 2 (0.72%) Adobe
7 2 (0.72%) Atlassian
7 2 (0.72%) Databricks
7 2 (0.72%) Dataiku
7 2 (0.72%) Datameer
7 2 (0.72%) Hyperion
7 2 (0.72%) IBM
7 2 (0.72%) Informatica
7 2 (0.72%) Splunk
7 2 (0.72%) Talend
8 1 (0.36%) MicroStrategy