Period
to 18 January 2022

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 18 January 2022 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
18 Jan 2022
Same period 2021 Same period 2020
Rank 107 65 78
Rank change year-on-year -42 +13 +12
Contract jobs citing Data Science 81 61 132
As % of all contract jobs advertised in the City of London 2.03% 2.99% 2.68%
As % of the Processes & Methodologies category 2.23% 3.32% 3.00%
Number of daily rates quoted 57 51 105
10th Percentile £412 £313 £418
25th Percentile £500 £350 £470
Median daily rate (50th Percentile) £600 £450 £540
Median % change year-on-year +33.33% -16.67% -1.82%
75th Percentile £675 £625 £625
90th Percentile £725 £688 £652
Central London median daily rate £600 £450 £534
% change year-on-year +33.33% -15.69% -2.95%
Number of hourly rates quoted 6 0 3
10th Percentile £38.25 - £14.50
25th Percentile £42.00 - £18.25
Median hourly rate £54.50 - £25.00
75th Percentile £62.31 - £25.50
90th Percentile £64.13 - -
Central London median hourly rate £54.50 - £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 3,629 1,840 4,405
As % of all contract IT jobs advertised in the City of London 90.73% 90.15% 89.33%
Number of daily rates quoted 2,818 1,376 3,460
10th Percentile £370 £313 £320
25th Percentile £469 £413 £413
Median daily rate (50th Percentile) £550 £525 £513
Median % change year-on-year +4.76% +2.44% -
75th Percentile £660 £600 £605
90th Percentile £750 £688 £675
Central London median daily rate £550 £515 £510
% change year-on-year +6.80% +0.98% -0.49%
Number of hourly rates quoted 36 23 49
10th Percentile £19.13 £13.63 £12.03
25th Percentile £30.00 £19.50 £14.25
Median hourly rate £43.25 £26.50 £20.00
Median % change year-on-year +63.21% +32.50% +5.26%
75th Percentile £61.75 £36.38 £25.76
90th Percentile £64.25 £46.00 £52.25
Central London median hourly rate £43.25 £27.00 £20.42
% change year-on-year +60.19% +32.26% +6.05%

Data Science
Job Vacancy Trend in the City of London

Job postings citing Data Science as a proportion 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

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

Daily rate trend for Data Science in the City of London

Data Science
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Science in the City of London over the 6 months to 18 January 2022.

Daily rate histogram for Data Science in the City of London

Data Science
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Data Science in the City of London

Data Science
Hourly Rate Histogram in the City of London

Hourly rate distribution of jobs citing Data Science in the City of London over the 6 months to 18 January 2022.

Hourly rate histogram for Data Science in the City of London

For the 6 months to 18 January 2022, 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 42 (51.85%) Python
2 34 (41.98%) SQL
2 34 (41.98%) Analytics
3 24 (29.63%) Machine Learning
4 23 (28.40%) Analytical Skills
5 22 (27.16%) Visualisation
5 22 (27.16%) Agile Software Development
6 19 (23.46%) DevOps
6 19 (23.46%) Artificial Intelligence
6 19 (23.46%) Statistics
7 18 (22.22%) User Experience
8 17 (20.99%) Apache Spark
8 17 (20.99%) Algorithms
8 17 (20.99%) AWS
8 17 (20.99%) Big Data
8 17 (20.99%) Degree
9 16 (19.75%) Computer Science
9 16 (19.75%) UX Design
10 15 (18.52%) Tableau
10 15 (18.52%) Mathematics
11 14 (17.28%) Data Engineering
11 14 (17.28%) Social Skills
12 13 (16.05%) Data Visualisation
13 12 (14.81%) Natural Language Processing
13 12 (14.81%) Azure
14 11 (13.58%) R
14 11 (13.58%) JIRA
14 11 (13.58%) ETL
14 11 (13.58%) Business Intelligence
14 11 (13.58%) Finance

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 17 (20.99%) Apache Spark
2 8 (9.88%) Confluence
3 5 (6.17%) Apache Airflow
4 4 (4.94%) Jupyter
5 3 (3.70%) Apache
6 1 (1.23%) ArcGIS
6 1 (1.23%) Elasticsearch
6 1 (1.23%) SharePoint
Applications
1 4 (4.94%) Microsoft Excel
2 1 (1.23%) InVision
2 1 (1.23%) Microsoft PowerPoint
Cloud Services
1 17 (20.99%) AWS
2 12 (14.81%) Azure
3 10 (12.35%) Serverless
4 8 (9.88%) GitHub
5 7 (8.64%) Figma
5 7 (8.64%) Miro
5 7 (8.64%) Snowflake
6 6 (7.41%) Power Platform
7 4 (4.94%) AWS Lambda
7 4 (4.94%) GCP
8 3 (3.70%) Amazon ECS
8 3 (3.70%) Amazon Kinesis
8 3 (3.70%) Amazon SQS
8 3 (3.70%) AWS CodeBuild
8 3 (3.70%) AWS CodePipeline
8 3 (3.70%) AWS Fargate
8 3 (3.70%) Matillion
9 2 (2.47%) Azure Cosmos DB
9 2 (2.47%) dbt
9 2 (2.47%) GitHub Actions
Communications & Networking
1 1 (1.23%) 5G
1 1 (1.23%) Firewall
Database & Business Intelligence
1 17 (20.99%) Big Data
2 15 (18.52%) Tableau
3 10 (12.35%) Data Warehouse
4 8 (9.88%) Hadoop
4 8 (9.88%) NoSQL
5 7 (8.64%) Data Mining
6 6 (7.41%) Apache Cassandra
6 6 (7.41%) Power BI
7 5 (6.17%) MongoDB
7 5 (6.17%) SQL Server
8 4 (4.94%) Apache Hive
8 4 (4.94%) Couchbase
9 3 (3.70%) Data Lake
10 2 (2.47%) Amazon Athena
10 2 (2.47%) Amazon Redshift
10 2 (2.47%) BigQuery
10 2 (2.47%) Flink
10 2 (2.47%) Microsoft Analysis Services
11 1 (1.23%) SQL Server Reporting Services
11 1 (1.23%) Text Mining
Development Applications
1 11 (13.58%) JIRA
2 8 (9.88%) Git (software)
3 3 (3.70%) Jenkins
4 2 (2.47%) GitLab
5 1 (1.23%) git-flow
5 1 (1.23%) IBM UrbanCode
5 1 (1.23%) TeamCity
5 1 (1.23%) Visual Studio
5 1 (1.23%) Visual Studio Team System
General
1 23 (28.40%) Analytical Skills
2 14 (17.28%) Social Skills
3 11 (13.58%) Finance
4 10 (12.35%) Marketing
5 4 (4.94%) Banking
5 4 (4.94%) Financial Institution
5 4 (4.94%) Presentation Skills
5 4 (4.94%) Public Sector
6 3 (3.70%) Legal
6 3 (3.70%) Pharmaceutical
7 2 (2.47%) Organisational Skills
7 2 (2.47%) Telecoms
8 1 (1.23%) Advertising
8 1 (1.23%) Law
8 1 (1.23%) Publishing
Job Titles
1 20 (24.69%) Data Scientist
2 14 (17.28%) Data Engineer
3 10 (12.35%) Designer
3 10 (12.35%) Developer
4 9 (11.11%) Analyst
4 9 (11.11%) Senior Designer
4 9 (11.11%) UX Designer
5 8 (9.88%) Senior UI Designer
5 8 (9.88%) Senior UI/UX Designer
5 8 (9.88%) Senior UX Designer
5 8 (9.88%) UI Designer
5 8 (9.88%) UI/UX Designer
6 5 (6.17%) Data Analyst
6 5 (6.17%) DevOps Engineer
6 5 (6.17%) Senior Data Scientist
7 4 (4.94%) Business Intelligence Developer
7 4 (4.94%) Power BI Developer
7 4 (4.94%) Senior Data Engineer
8 3 (3.70%) Azure Engineer
8 3 (3.70%) Senior DevOps
Libraries, Frameworks & Software Standards
1 8 (9.88%) Kafka
2 7 (8.64%) Matplotlib
3 5 (6.17%) TensorFlow
4 4 (4.94%) Pandas
4 4 (4.94%) PyMC3
5 3 (3.70%) NumPy
5 3 (3.70%) PyTorch
5 3 (3.70%) SQLAlchemy
6 2 (2.47%) .NET
6 2 (2.47%) Apache Beam
6 2 (2.47%) ARM Templates
6 2 (2.47%) XSD
7 1 (1.23%) Akka
7 1 (1.23%) Java EE
7 1 (1.23%) MLlib
7 1 (1.23%) Node.js
7 1 (1.23%) PySpark
7 1 (1.23%) pytest
7 1 (1.23%) React
7 1 (1.23%) Redux
Miscellaneous
1 18 (22.22%) User Experience
2 17 (20.99%) Algorithms
3 6 (7.41%) Social Media
4 3 (3.70%) Analytical Mindset
4 3 (3.70%) Hedge funds
4 3 (3.70%) Legacy Applications
5 2 (2.47%) Enterprise Software
5 2 (2.47%) Hybrid Cloud
5 2 (2.47%) Linux Command Line
5 2 (2.47%) Virtual Team
6 1 (1.23%) Credit Risk
6 1 (1.23%) Data Structures
6 1 (1.23%) Foreign Exchange (FX)
6 1 (1.23%) Greenfield Project
6 1 (1.23%) Legacy Systems
6 1 (1.23%) Mobile App
6 1 (1.23%) New Media
6 1 (1.23%) Replication
Operating Systems
1 2 (2.47%) Linux
2 1 (1.23%) Red Hat Enterprise Linux
Processes & Methodologies
1 34 (41.98%) Analytics
2 24 (29.63%) Machine Learning
3 22 (27.16%) Agile Software Development
3 22 (27.16%) Visualisation
4 19 (23.46%) Artificial Intelligence
4 19 (23.46%) DevOps
4 19 (23.46%) Statistics
5 16 (19.75%) Computer Science
5 16 (19.75%) UX Design
6 15 (18.52%) Mathematics
7 14 (17.28%) Data Engineering
8 13 (16.05%) Data Visualisation
9 12 (14.81%) Natural Language Processing
10 11 (13.58%) Actionable Insight
10 11 (13.58%) Business Intelligence
10 11 (13.58%) Data Pipeline
10 11 (13.58%) ETL
10 11 (13.58%) UX Research
11 10 (12.35%) Data Modelling
11 10 (12.35%) User Research
Programming Languages
1 42 (51.85%) Python
2 34 (41.98%) SQL
3 11 (13.58%) R
4 8 (9.88%) Java
5 4 (4.94%) C
5 4 (4.94%) C++
5 4 (4.94%) Scala
6 3 (3.70%) JavaScript
6 3 (3.70%) TypeScript
7 2 (2.47%) Bash
7 2 (2.47%) PowerShell
8 1 (1.23%) T-SQL
Qualifications
1 17 (20.99%) Degree
2 2 (2.47%) Computer Science Degree
2 2 (2.47%) Master's Degree
2 2 (2.47%) PhD
2 2 (2.47%) SC Cleared
2 2 (2.47%) Security Cleared
3 1 (1.23%) Postgraduate
Quality Assurance & Compliance
1 9 (11.11%) Accessibility
2 6 (7.41%) Data Quality
3 5 (6.17%) QA
4 3 (3.70%) GDPR
5 2 (2.47%) Actionable Recommendations
6 1 (1.23%) GMP
6 1 (1.23%) IFRS
6 1 (1.23%) IFRS 9
6 1 (1.23%) SNOMED CT
System Software
1 8 (9.88%) Docker
2 2 (2.47%) Apache Flume
Systems Management
1 10 (12.35%) Terraform
2 8 (9.88%) Kubernetes
3 4 (4.94%) Ansible
4 1 (1.23%) Kibana
Vendors
1 5 (6.17%) Microsoft
1 5 (6.17%) Oracle
2 3 (3.70%) Databricks
3 2 (2.47%) Virgin Media
4 1 (1.23%) Alteryx
4 1 (1.23%) Cisco
4 1 (1.23%) F5
4 1 (1.23%) IBM
4 1 (1.23%) Informatica
4 1 (1.23%) Juniper
4 1 (1.23%) Red Hat
4 1 (1.23%) Salesforce.com
4 1 (1.23%) ServiceNow