Period
to 27 November 2021

The following table provides summary statistics for contract job vacancies advertised in 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 November 2021 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
England > London
6 months to
27 Nov 2021
Same period 2020 Same period 2019
Rank 128 86 84
Rank change year-on-year -42 -2 +64
Contract jobs citing Data Science 826 467 1,013
As % of all contract jobs advertised in London 2.20% 2.94% 2.88%
As % of the Processes & Methodologies category 2.41% 3.32% 3.25%
Number of daily rates quoted 564 330 778
10th Percentile £413 £325 £413
25th Percentile £500 £438 £475
Median daily rate (50th Percentile) £575 £550 £550
Median % change year-on-year +4.55% - -
75th Percentile £675 £664 £625
90th Percentile £738 £738 £675
England median daily rate £575 £538 £550
% change year-on-year +6.98% -2.27% +4.76%
Number of hourly rates quoted 8 5 9
10th Percentile £33.63 £36.46 £10.25
25th Percentile £36.25 £36.47 £12.00
Median hourly rate £39.50 £38.50 £36.50
Median % change year-on-year +2.60% +5.48% -15.12%
75th Percentile £46.69 £39.40 £53.75
90th Percentile £51.90 £45.99 £56.50
England median hourly rate £37.50 £23.43 £26.50
% change year-on-year +60.05% -11.58% +30.90%

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 34,238 14,085 31,201
As % of all contract IT jobs advertised in London 91.27% 88.81% 88.60%
Number of daily rates quoted 24,893 10,178 22,784
10th Percentile £375 £319 £325
25th Percentile £463 £413 £413
Median daily rate (50th Percentile) £550 £500 £513
Median % change year-on-year +10.00% -2.44% +2.50%
75th Percentile £660 £613 £600
90th Percentile £750 £700 £688
England median daily rate £525 £475 £475
% change year-on-year +10.53% - -
Number of hourly rates quoted 311 121 370
10th Percentile £17.00 £15.04 £12.40
25th Percentile £22.21 £22.50 £16.08
Median hourly rate £37.80 £34.53 £22.50
Median % change year-on-year +9.47% +53.47% +8.97%
75th Percentile £54.88 £46.00 £45.00
90th Percentile £70.10 £60.00 £53.75
England median hourly rate £24.81 £26.98 £22.36
% change year-on-year -8.04% +20.69% +11.78%

Data Science
Job Vacancy Trend in London

Job postings citing Data Science as a proportion of all IT jobs advertised in London.

Job vacancy trend for Data Science in London

Data Science
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Data Science in London.

Daily rate trend for Data Science in London

Data Science
Daily Rate Histogram in London

Daily rate distribution for jobs citing Data Science in London over the 6 months to 27 November 2021.

Daily rate histogram for Data Science in London

Data Science
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Data Science in London.

Hourly rate trend for Data Science in London

Data Science
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Data Science in London over the 6 months to 27 November 2021.

Hourly rate histogram for Data Science in London

Data Science
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 Science within the London region over the 6 months to 27 November 2021. 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 -35 78 £600 +33.33% 88
West London -36 15 £603 -4.37% 16
South London -3 8 £540 +63.64% 1
North London - 3 £150 - 2
East London - 1 £450 - 16
Data Science
England

For the 6 months to 27 November 2021, 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 London region with a requirement for Data Science.

1 516 (62.47%) Python
2 308 (37.29%) SQL
2 308 (37.29%) Analytics
3 283 (34.26%) Machine Learning
4 257 (31.11%) Azure
5 246 (29.78%) Agile Software Development
6 244 (29.54%) AWS
7 184 (22.28%) Social Skills
8 181 (21.91%) Visualisation
9 175 (21.19%) Finance
10 165 (19.98%) DevOps
11 164 (19.85%) Artificial Intelligence
12 154 (18.64%) Analytical Skills
13 153 (18.52%) Big Data
14 150 (18.16%) Apache Spark
14 150 (18.16%) Data Engineering
15 132 (15.98%) R
16 131 (15.86%) Business Intelligence
17 129 (15.62%) Data Modelling
18 125 (15.13%) Degree
19 115 (13.92%) Data Pipeline
20 114 (13.80%) ETL
21 113 (13.68%) Algorithms
22 106 (12.83%) Mathematics
22 106 (12.83%) Data Visualisation
23 104 (12.59%) Docker
24 101 (12.23%) Data Warehouse
25 98 (11.86%) Computer Science
26 93 (11.26%) Data Analysis
26 93 (11.26%) GCP

Data Science
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
1 150 (18.16%) Apache Spark
2 63 (7.63%) Apache Airflow
3 28 (3.39%) Apache
4 21 (2.54%) nginx
5 20 (2.42%) Gunicorn
6 18 (2.18%) Luigi
7 15 (1.82%) Jupyter
7 15 (1.82%) SAS
8 12 (1.45%) Ethereum
9 9 (1.09%) CMS
9 9 (1.09%) SharePoint
10 8 (0.97%) Confluence
11 7 (0.85%) Drupal
12 5 (0.61%) ArcGIS
13 4 (0.48%) Cloud Foundry
14 3 (0.36%) R Markdown
15 2 (0.24%) Apache Pig
15 2 (0.24%) Elasticsearch
15 2 (0.24%) Hyperledger
16 1 (0.12%) Oracle Workflow
Applications
1 24 (2.91%) Microsoft Excel
2 15 (1.82%) Microsoft Office
3 12 (1.45%) Microsoft PowerPoint
4 4 (0.48%) Figma
4 4 (0.48%) SPSS
5 2 (0.24%) Chatbot
5 2 (0.24%) InVision
5 2 (0.24%) MS Visio
5 2 (0.24%) Sketch
6 1 (0.12%) Adobe XD
6 1 (0.12%) CPLEX
6 1 (0.12%) SPSS Modeler
Business Applications
1 2 (0.24%) Sprinklr
2 1 (0.12%) Eikon
2 1 (0.12%) Oracle BPM
2 1 (0.12%) SAP Oil and Gas
Cloud Services
1 257 (31.11%) Azure
2 244 (29.54%) AWS
3 93 (11.26%) GCP
4 91 (11.02%) Power Platform
5 63 (7.63%) GitHub
6 60 (7.26%) Serverless
7 37 (4.48%) Azure Data Factory
7 37 (4.48%) Snowflake
8 28 (3.39%) Amazon S3
9 27 (3.27%) Azure Functions
9 27 (3.27%) Cloud Computing
10 21 (2.54%) Azure Synapse Analytics
11 20 (2.42%) Azure Cosmos DB
12 19 (2.30%) SaaS
13 17 (2.06%) PaaS
14 14 (1.69%) AWS Lambda
14 14 (1.69%) OpenShift
15 13 (1.57%) Amazon EC2
15 13 (1.57%) dbt
16 12 (1.45%) Microsoft 365
Communications & Networking
1 3 (0.36%) VPN
2 2 (0.24%) Broadband
2 2 (0.24%) Firewall
3 1 (0.12%) Ethernet
3 1 (0.12%) IPFS
3 1 (0.12%) Skype
3 1 (0.12%) SSH
3 1 (0.12%) TCP/IP
Database & Business Intelligence
1 153 (18.52%) Big Data
2 101 (12.23%) Data Warehouse
3 91 (11.02%) Power BI
4 78 (9.44%) Tableau
5 72 (8.72%) Hadoop
6 67 (8.11%) Data Lake
7 63 (7.63%) NoSQL
8 59 (7.14%) PostgreSQL
9 46 (5.57%) Relational Database
10 42 (5.08%) SQL Server
11 37 (4.48%) MongoDB
12 35 (4.24%) BigQuery
13 34 (4.12%) Amazon Redshift
14 30 (3.63%) Apache Cassandra
15 27 (3.27%) Apache Hive
16 25 (3.03%) Data Mining
17 22 (2.66%) Metadata
18 19 (2.30%) Blockchain
19 17 (2.06%) Amazon RDS
20 15 (1.82%) Azkaban
Development Applications
1 67 (8.11%) Git (software)
2 47 (5.69%) Jenkins
3 29 (3.51%) JIRA
4 17 (2.06%) TeamCity
5 14 (1.69%) GitLab
6 13 (1.57%) MLflow
7 6 (0.73%) PowerDesigner
8 5 (0.61%) Bitbucket
8 5 (0.61%) IBM UrbanCode
9 4 (0.48%) webpack
10 3 (0.36%) Cucumber
10 3 (0.36%) git-flow
10 3 (0.36%) RStudio
10 3 (0.36%) Subversion
11 2 (0.24%) Babel
11 2 (0.24%) ERwin
11 2 (0.24%) Octopus Deploy
11 2 (0.24%) Vagrant
11 2 (0.24%) Visual Studio
11 2 (0.24%) Visual Studio Team System
General
1 184 (22.28%) Social Skills
2 175 (21.19%) Finance
3 154 (18.64%) Analytical Skills
4 59 (7.14%) Presentation Skills
5 56 (6.78%) Banking
6 53 (6.42%) Marketing
7 45 (5.45%) Public Sector
8 37 (4.48%) Retail
9 21 (2.54%) Influencing Skills
10 17 (2.06%) Front Office
11 16 (1.94%) Pharmaceutical
12 14 (1.69%) Publishing
13 13 (1.57%) Organisational Skills
14 12 (1.45%) Telecoms
15 11 (1.33%) Investment Banking
16 10 (1.21%) Manufacturing
17 9 (1.09%) Back Office
18 8 (0.97%) Aerospace
19 7 (0.85%) Financial Institution
19 7 (0.85%) Games
Job Titles
1 189 (22.88%) Data Scientist
2 176 (21.31%) Data Engineer
3 87 (10.53%) Developer
4 71 (8.60%) Analyst
5 63 (7.63%) Architect
6 56 (6.78%) Data Analyst
7 41 (4.96%) Data Architect
7 41 (4.96%) Python Developer
8 34 (4.12%) Machine Learning Engineer
9 33 (4.00%) Senior Data Scientist
10 32 (3.87%) Azure Engineer
11 30 (3.63%) Senior Data Engineer
12 28 (3.39%) Python Engineer
13 27 (3.27%) Senior Developer
14 26 (3.15%) DevOps Engineer
15 21 (2.54%) AWS Engineer
16 20 (2.42%) Solutions Architect
17 19 (2.30%) Cloud Engineer
17 19 (2.30%) Data Manager
18 16 (1.94%) Consultant
Libraries, Frameworks & Software Standards
1 86 (10.41%) Pandas
2 82 (9.93%) Kafka
3 71 (8.60%) NumPy
4 39 (4.72%) scikit-learn
5 37 (4.48%) React
6 35 (4.24%) TensorFlow
7 34 (4.12%) HTML
8 32 (3.87%) PySpark
9 29 (3.51%) PyTorch
10 27 (3.27%) Matplotlib
11 24 (2.91%) Flask
12 22 (2.66%) Node.js
13 21 (2.54%) FastAPI
14 20 (2.42%) Celery
14 20 (2.42%) SciPy
15 19 (2.30%) .NET
16 17 (2.06%) Keras
16 17 (2.06%) RESTful
17 15 (1.82%) CSS
17 15 (1.82%) Velocity
Miscellaneous
1 113 (13.68%) Algorithms
2 41 (4.96%) User Experience
3 29 (3.51%) Management Information System
4 24 (2.91%) Data Structures
5 23 (2.78%) Cloud Native
6 17 (2.06%) Social Media
7 15 (1.82%) Greenfield Project
8 14 (1.69%) Virtual Team
9 11 (1.33%) Data Centre
9 11 (1.33%) Data Protection Act
9 11 (1.33%) Renewable Energy
10 10 (1.21%) NHS
10 10 (1.21%) Self-Motivation
11 9 (1.09%) Clustering
11 9 (1.09%) Public Cloud
12 8 (0.97%) Enterprise Software
13 7 (0.85%) FMCG
13 7 (0.85%) Foreign Exchange (FX)
13 7 (0.85%) Taxonomies
14 6 (0.73%) Tandem
Operating Systems
1 59 (7.14%) Linux
2 18 (2.18%) Unix
3 11 (1.33%) Windows
4 5 (0.61%) Apple iOS
5 3 (0.36%) VMS
6 2 (0.24%) Red Hat Enterprise Linux
Processes & Methodologies
1 308 (37.29%) Analytics
2 283 (34.26%) Machine Learning
3 246 (29.78%) Agile Software Development
4 181 (21.91%) Visualisation
5 165 (19.98%) DevOps
6 164 (19.85%) Artificial Intelligence
7 150 (18.16%) Data Engineering
8 131 (15.86%) Business Intelligence
9 129 (15.62%) Data Modelling
10 115 (13.92%) Data Pipeline
11 114 (13.80%) ETL
12 106 (12.83%) Data Visualisation
12 106 (12.83%) Mathematics
13 98 (11.86%) Computer Science
14 93 (11.26%) Data Analysis
15 86 (10.41%) Microservices
16 85 (10.29%) Problem-Solving
17 84 (10.17%) Statistics
18 80 (9.69%) Software Engineering
19 70 (8.47%) Data Analytics
Programming Languages
1 516 (62.47%) Python
2 308 (37.29%) SQL
3 132 (15.98%) R
4 84 (10.17%) Scala
5 82 (9.93%) Java
6 70 (8.47%) JavaScript
7 37 (4.48%) Bash Shell
8 31 (3.75%) C++
9 29 (3.51%) C#
9 29 (3.51%) TypeScript
10 24 (2.91%) C
11 18 (2.18%) Go
12 14 (1.69%) VBA
13 12 (1.45%) PowerShell
14 11 (1.33%) PL/SQL
15 10 (1.21%) T-SQL
16 8 (0.97%) LookML
16 8 (0.97%) MATLAB
17 5 (0.61%) Apple Swift
17 5 (0.61%) Ruby
Qualifications
1 125 (15.13%) Degree
2 43 (5.21%) Security Cleared
3 37 (4.48%) SC Cleared
4 25 (3.03%) Computer Science Degree
5 15 (1.82%) Master's Degree
6 13 (1.57%) Numerate Degree
6 13 (1.57%) PhD
7 12 (1.45%) AWS Certification
8 7 (0.85%) BPSS Clearance
9 3 (0.36%) Microsoft Certification
10 2 (0.24%) DV Cleared
10 2 (0.24%) Postgraduate
10 2 (0.24%) PRINCE2 Practitioner
11 1 (0.12%) ISTQB
11 1 (0.12%) MBA
11 1 (0.12%) PMP
11 1 (0.12%) Tableau Certification
Quality Assurance & Compliance
1 57 (6.90%) Data Quality
2 55 (6.66%) QA
3 11 (1.33%) GDPR
4 9 (1.09%) Accessibility
5 8 (0.97%) COBIT
6 7 (0.85%) ISO/IEC 27001
7 5 (0.61%) Actionable Recommendations
8 3 (0.36%) NIST
8 3 (0.36%) PMO
9 2 (0.24%) ISO 20022
9 2 (0.24%) Sarbanes-Oxley
10 1 (0.12%) Basel II
10 1 (0.12%) Disclosure Scotland
10 1 (0.12%) GMP
10 1 (0.12%) IFRS
10 1 (0.12%) IFRS 9
10 1 (0.12%) SNOMED CT
10 1 (0.12%) WCAG
System Software
1 104 (12.59%) Docker
2 4 (0.48%) Hyper-V
3 3 (0.36%) Active Directory
4 2 (0.24%) Apache Flume
5 1 (0.12%) Apache ZooKeeper
5 1 (0.12%) VirtualBox
Systems Management
1 86 (10.41%) Kubernetes
2 79 (9.56%) Terraform
3 38 (4.60%) Ansible
4 9 (1.09%) Kubeflow
5 6 (0.73%) Puppet
6 5 (0.61%) Opscode Chef
7 4 (0.48%) Consul
8 3 (0.36%) Single Sign-On
9 2 (0.24%) Docker Swarm
9 2 (0.24%) Packer
9 2 (0.24%) Rancher
9 2 (0.24%) Tivoli
10 1 (0.12%) Argo
10 1 (0.12%) Control-M
10 1 (0.12%) Hadoop YARN
10 1 (0.12%) Istio
10 1 (0.12%) Kibana
10 1 (0.12%) Oozie
10 1 (0.12%) Salt
Vendors
1 76 (9.20%) Databricks
2 56 (6.78%) Microsoft
3 44 (5.33%) Google
4 20 (2.42%) Alteryx
5 17 (2.06%) Oracle
5 17 (2.06%) Salesforce.com
6 12 (1.45%) Informatica
7 10 (1.21%) IBM
8 9 (1.09%) Cloudera
8 9 (1.09%) SAP
9 7 (0.85%) StreamSets
9 7 (0.85%) Teradata
10 6 (0.73%) Talend
11 5 (0.61%) Dataiku
11 5 (0.61%) Vertica
12 4 (0.48%) Alibaba
12 4 (0.48%) Cisco
12 4 (0.48%) Red Hat
12 4 (0.48%) Sparx
13 3 (0.36%) Bloomberg