Period
to 27 February 2020

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 27 February 2020 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
27 Feb 2020
Same period 2019 Same period 2018
Rank 71 73 167
Rank change year-on-year +2 +94 -38
Contract jobs citing Data Science 130 236 85
As % of all contract IT jobs advertised in the City of London 2.79% 3.45% 1.20%
As % of the Processes & Methodologies category 3.19% 3.89% 1.34%
Number of daily rates quoted 102 187 68
City of London median daily rate £525 £550 £550
Median daily rate % change year-on-year -4.55% - +0.46%
10th Percentile £405 £413 £446
90th Percentile £649 £713 £679
Central London median daily rate £525 £550 £550
% change year-on-year -4.55% - +4.76%
Number of hourly rates quoted 3 0 0
City of London median hourly rate £25.00 - -
Central London median hourly rate £25.00 - -

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 4,079 6,067 6,343
As % of all contract IT jobs advertised in the City of London 87.42% 88.66% 89.26%
Number of daily rates quoted 3,079 4,734 5,042
City of London median daily rate £515 £525 £510
Median daily rate % change year-on-year -1.90% +2.94% +4.62%
10th Percentile £319 £325 £330
90th Percentile £678 £675 £695
Central London median daily rate £505 £520 £500
% change year-on-year -2.88% +4.00% +5.26%
Number of hourly rates quoted 60 61 75
City of London median hourly rate £21.67 £22.00 £20.00
Median hourly rate % change year-on-year -1.52% +10.00% -2.44%
10th Percentile £12.42 £13.00 £11.69
90th Percentile £52.25 £37.50 £44.40
Central London median hourly rate £22.62 £20.65 £21.00
% change year-on-year +9.55% -1.69% +5.42%

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 27 February 2020.

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

Data Science
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend 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 27 February 2020. 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 -1 2 £500 -9.09%
Data Science
Central London

For the 6 months to 27 February 2020, 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 87 (66.92%) Python
2 62 (47.69%) Machine Learning
3 42 (32.31%) SQL
4 38 (29.23%) Artificial Intelligence
5 31 (23.85%) Agile Software Development
5 31 (23.85%) Analytics
6 27 (20.77%) Algorithms
6 27 (20.77%) Natural Language Processing
7 25 (19.23%) Big Data
7 25 (19.23%) AWS
8 23 (17.69%) Java
9 22 (16.92%) Business Intelligence
9 22 (16.92%) Azure
9 22 (16.92%) GCP
9 22 (16.92%) Apache Spark
10 21 (16.15%) R
10 21 (16.15%) Statistics
11 19 (14.62%) Data Modelling
12 18 (13.85%) PhD
12 18 (13.85%) Computer Science
13 17 (13.08%) ETL
13 17 (13.08%) DevOps
14 16 (12.31%) Finance
14 16 (12.31%) Google
15 15 (11.54%) Open Source
16 14 (10.77%) Visualisation
16 14 (10.77%) Scala
16 14 (10.77%) Marketing
16 14 (10.77%) Microservices
17 13 (10.00%) Docker

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 22 (16.92%) Apache Spark
2 9 (6.92%) Elasticsearch
3 7 (5.38%) Apache Airflow
4 5 (3.85%) Jupyter
4 5 (3.85%) Luigi
5 4 (3.08%) Apache
6 2 (1.54%) ArcGIS
6 2 (1.54%) DNN
6 2 (1.54%) SAS
Applications
1 2 (1.54%) Microsoft Excel
1 2 (1.54%) SPSS
Business Applications
1 1 (0.77%) Dynamics CRM
Cloud Services
1 25 (19.23%) AWS
2 22 (16.92%) Azure
2 22 (16.92%) GCP
3 9 (6.92%) Power Platform
4 5 (3.85%) Azure Machine Learning
5 4 (3.08%) Azure Data Factory
5 4 (3.08%) Azure Stack
6 3 (2.31%) Google App Engine
6 3 (2.31%) Serverless
7 2 (1.54%) Amazon EKS
7 2 (1.54%) Amazon S3
7 2 (1.54%) AWS Lambda
8 1 (0.77%) Amazon CloudWatch
8 1 (0.77%) Amazon Cognito
8 1 (0.77%) Amazon ECS
8 1 (0.77%) Amazon ELB
8 1 (0.77%) Amazon Kinesis
8 1 (0.77%) AWS CloudFormation
8 1 (0.77%) GitHub
8 1 (0.77%) Virtual Private Cloud
Communications & Networking
1 1 (0.77%) Internet
Database & Business Intelligence
1 25 (19.23%) Big Data
2 13 (10.00%) NoSQL
3 12 (9.23%) Hadoop
3 12 (9.23%) PostgreSQL
4 10 (7.69%) Data Lake
5 9 (6.92%) Power BI
6 7 (5.38%) Amazon Redshift
6 7 (5.38%) Data Warehouse
7 6 (4.62%) Apache Cassandra
8 5 (3.85%) BigQuery
8 5 (3.85%) Neo4j
9 4 (3.08%) Relational Database
10 3 (2.31%) Amazon DynamoDB
10 3 (2.31%) Azkaban
10 3 (2.31%) Flink
10 3 (2.31%) Snowflake Schema
10 3 (2.31%) SQL Server Integration Services
11 2 (1.54%) Data Mining
11 2 (1.54%) GIS
11 2 (1.54%) SQL Server
Development Applications
1 9 (6.92%) Git (software)
2 8 (6.15%) Jenkins
3 3 (2.31%) Maven
4 1 (0.77%) Atlassian Bamboo
4 1 (0.77%) Cucumber
4 1 (0.77%) GoCD
4 1 (0.77%) Selenium
4 1 (0.77%) Team Foundation Server
4 1 (0.77%) TeamCity
4 1 (0.77%) Vagrant
4 1 (0.77%) Visual Studio
General
1 16 (12.31%) Finance
2 14 (10.77%) Marketing
3 6 (4.62%) Retail
4 5 (3.85%) Banking
5 4 (3.08%) Advertising
5 4 (3.08%) Law
6 3 (2.31%) Public Sector
6 3 (2.31%) Telecoms
7 2 (1.54%) Publishing
8 1 (0.77%) Aerospace
8 1 (0.77%) Billing
8 1 (0.77%) Front Office
8 1 (0.77%) Games
8 1 (0.77%) Investment Banking
8 1 (0.77%) Local Government
Job Titles
1 51 (39.23%) Data Scientist
2 22 (16.92%) Data Engineer
3 20 (15.38%) Developer
4 13 (10.00%) Python Developer
4 13 (10.00%) Senior Data Scientist
5 11 (8.46%) Analyst
6 10 (7.69%) Architect
7 8 (6.15%) Data Architect
7 8 (6.15%) Python Engineer
8 6 (4.62%) Data Analyst
9 5 (3.85%) Azure Engineer
9 5 (3.85%) Machine Learning Scientist
10 4 (3.08%) Data Warehouse Architect
10 4 (3.08%) Product Manager
10 4 (3.08%) Project Manager
11 3 (2.31%) Data Science Manager
11 3 (2.31%) Scrum Master
11 3 (2.31%) Senior Developer
11 3 (2.31%) SQL Analyst
12 2 (1.54%) Tableau Analyst
Libraries, Frameworks & Software Standards
1 27 (20.77%) Natural Language Processing
2 11 (8.46%) Kafka
3 10 (7.69%) Pandas
3 10 (7.69%) TensorFlow
4 8 (6.15%) scikit-learn
5 7 (5.38%) NumPy
6 6 (4.62%) Web Services
7 5 (3.85%) SciPy
8 4 (3.08%) Django
8 4 (3.08%) MLlib
8 4 (3.08%) REST
8 4 (3.08%) Spark Streaming
9 3 (2.31%) Flask
9 3 (2.31%) HTML
9 3 (2.31%) OpenNLP
9 3 (2.31%) XML
10 2 (1.54%) AngularJS
10 2 (1.54%) D3.js
10 2 (1.54%) JSON
10 2 (1.54%) RESTful
Miscellaneous
1 27 (20.77%) Algorithms
2 12 (9.23%) Analytical Skills
3 7 (5.38%) User Experience
4 6 (4.62%) Data Structures
4 6 (4.62%) Greenfield Project
5 4 (3.08%) Public Cloud
6 3 (2.31%) Social Media
7 2 (1.54%) Management Information System
8 1 (0.77%) Client/Server
8 1 (0.77%) Clustering
8 1 (0.77%) Cyberthreat
8 1 (0.77%) Enterprise Software
8 1 (0.77%) Hybrid Cloud
8 1 (0.77%) Internet of Things
8 1 (0.77%) Mobile App
8 1 (0.77%) Online Games
8 1 (0.77%) Virtual Team
Operating Systems
1 3 (2.31%) Linux
2 2 (1.54%) Unix
3 1 (0.77%) Android
3 1 (0.77%) Apple iOS
3 1 (0.77%) CentOS
3 1 (0.77%) Red Hat Enterprise Linux
3 1 (0.77%) Ubuntu
Processes & Methodologies
1 62 (47.69%) Machine Learning
2 38 (29.23%) Artificial Intelligence
3 31 (23.85%) Agile Software Development
3 31 (23.85%) Analytics
4 22 (16.92%) Business Intelligence
5 21 (16.15%) Statistics
6 19 (14.62%) Data Modelling
7 18 (13.85%) Computer Science
8 17 (13.08%) DevOps
8 17 (13.08%) ETL
9 15 (11.54%) Open Source
10 14 (10.77%) Microservices
10 14 (10.77%) Visualisation
11 12 (9.23%) Use Case
12 10 (7.69%) Computer Vision
12 10 (7.69%) Data Analysis
12 10 (7.69%) Mathematics
13 9 (6.92%) Scrum
13 9 (6.92%) Software Engineering
14 8 (6.15%) Data Architecture
Programming Languages
1 87 (66.92%) Python
2 42 (32.31%) SQL
3 23 (17.69%) Java
4 21 (16.15%) R
5 14 (10.77%) Scala
6 12 (9.23%) C++
7 8 (6.15%) C#
8 5 (3.85%) JavaScript
9 4 (3.08%) Go
10 3 (2.31%) AWK
10 3 (2.31%) sed
11 2 (1.54%) MATLAB
12 1 (0.77%) Bash Shell
12 1 (0.77%) C
12 1 (0.77%) Data Analysis Expressions (DAX)
12 1 (0.77%) HiveQL
12 1 (0.77%) PHP
12 1 (0.77%) PL/SQL
12 1 (0.77%) T-SQL
12 1 (0.77%) TypeScript
Qualifications
1 18 (13.85%) PhD
2 11 (8.46%) Degree
3 4 (3.08%) Master's Degree
4 1 (0.77%) Computer Science Degree
4 1 (0.77%) DBS Check
4 1 (0.77%) ISEB
4 1 (0.77%) ISTQB
4 1 (0.77%) PMP
4 1 (0.77%) SC Cleared
4 1 (0.77%) Security Cleared
Quality Assurance & Compliance
1 4 (3.08%) GDPR
2 3 (2.31%) Data Quality
3 2 (1.54%) QA
4 1 (0.77%) ISO/IEC 27001
4 1 (0.77%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 13 (10.00%) Docker
2 1 (0.77%) Active Directory
2 1 (0.77%) VirtualBox
Systems Management
1 13 (10.00%) Kubernetes
2 3 (2.31%) Kibana
2 3 (2.31%) Terraform
3 2 (1.54%) Ansible
3 2 (1.54%) Kubeflow
4 1 (0.77%) Docker Swarm
4 1 (0.77%) Hadoop YARN
4 1 (0.77%) Puppet
Vendors
1 16 (12.31%) Google
2 10 (7.69%) Tableau
3 4 (3.08%) Microsoft
4 3 (2.31%) Alteryx
5 2 (1.54%) Bloomberg
5 2 (1.54%) Cloudera
5 2 (1.54%) Databricks
5 2 (1.54%) Oracle
5 2 (1.54%) SAP
5 2 (1.54%) Twitter
6 1 (0.77%) Ab Initio
6 1 (0.77%) Adobe
6 1 (0.77%) Fortinet
6 1 (0.77%) IBM
6 1 (0.77%) Informatica
6 1 (0.77%) Juniper
6 1 (0.77%) Minitab
6 1 (0.77%) Reuters
6 1 (0.77%) Salesforce.com
6 1 (0.77%) Splunk