Period
to

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 25 June 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
25 Jun 2022
Same period 2021 Same period 2020
Rank 123 88 78
Rank change year-on-year -35 -10 -29
Contract jobs citing Data Science 71 78 67
As % of all contract jobs advertised in the City of London 1.68% 2.53% 2.44%
As % of the Processes & Methodologies category 1.83% 2.76% 2.76%
Number of daily rates quoted 47 41 52
10th Percentile £504 £325 £407
25th Percentile £561 £475 £463
Median daily rate (50th Percentile) £600 £550 £525
Median % change year-on-year +9.09% +4.76% -4.55%
75th Percentile £794 £638 £605
90th Percentile £813 £675 £675
Central London median daily rate £600 £550 £525
% change year-on-year +9.09% +4.76% -4.55%
Number of hourly rates quoted 6 3 4
10th Percentile £38.25 £33.00 £37.14
25th Percentile £47.75 £36.00 £37.53
Median hourly rate £50.50 £42.00 £38.50
Median % change year-on-year +20.24% +9.09% +10.00%
75th Percentile £54.38 £58.00 £41.38
90th Percentile £58.88 £67.00 £45.20
Central London median hourly rate £50.50 £42.00 £38.50
% change year-on-year +20.24% +9.09% +10.00%

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 3,874 2,826 2,424
As % of all contract IT jobs advertised in the City of London 91.61% 91.49% 88.34%
Number of daily rates quoted 2,854 2,072 1,810
10th Percentile £392 £357 £338
25th Percentile £475 £449 £414
Median daily rate (50th Percentile) £575 £550 £520
Median % change year-on-year +4.55% +5.77% -0.95%
75th Percentile £688 £638 £603
90th Percentile £788 £719 £675
Central London median daily rate £575 £545 £500
% change year-on-year +5.50% +9.00% -4.76%
Number of hourly rates quoted 44 31 40
10th Percentile £18.50 £8.00 £12.42
25th Percentile £26.00 £12.38 £14.28
Median hourly rate £42.75 £23.45 £25.00
Median % change year-on-year +82.30% -6.20% +23.46%
75th Percentile £54.13 £32.70 £39.25
90th Percentile £62.28 £42.25 £52.90
Central London median hourly rate £42.00 £22.25 £26.44
% change year-on-year +88.76% -15.85% +25.90%

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 25 June 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 25 June 2022.

Hourly rate histogram for Data Science in the City of London

For the 6 months to 25 June 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 54 (76.06%) Python
2 35 (49.30%) Agile
3 33 (46.48%) AWS
4 29 (40.85%) CI/CD
5 25 (35.21%) Data Pipeline
6 24 (33.80%) Machine Learning
6 24 (33.80%) Analytics
7 21 (29.58%) DevOps
8 20 (28.17%) Serverless
9 19 (26.76%) Data Warehouse
10 18 (25.35%) Infrastructure as Code
11 16 (22.54%) Docker
11 16 (22.54%) Analytical Skills
11 16 (22.54%) Software Engineering
11 16 (22.54%) Snowflake
12 15 (21.13%) Terraform
13 14 (19.72%) Big Data
13 14 (19.72%) Computer Science
14 13 (18.31%) Finance
14 13 (18.31%) GitHub
15 12 (16.90%) Mentoring
15 12 (16.90%) Apache Spark
15 12 (16.90%) Kubernetes
15 12 (16.90%) SQL
15 12 (16.90%) Test Automation
15 12 (16.90%) Full Stack Development
16 11 (15.49%) Community of Practice
16 11 (15.49%) Git (software)
16 11 (15.49%) Azure
16 11 (15.49%) Statistics

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 12 (16.90%) Apache Spark
2 5 (7.04%) Apache Airflow
3 2 (2.82%) Jupyter
4 1 (1.41%) Confluence
4 1 (1.41%) SAS
Applications
1 4 (5.63%) Microsoft Excel
2 1 (1.41%) SPSS
Business Applications
1 1 (1.41%) Sparx Enterprise Architect
Cloud Services
1 33 (46.48%) AWS
2 20 (28.17%) Serverless
3 16 (22.54%) Snowflake
4 13 (18.31%) GitHub
5 11 (15.49%) Azure
6 8 (11.27%) GCP
7 7 (9.86%) AWS Lambda
8 6 (8.45%) Amazon SageMaker
9 5 (7.04%) Amazon ECS
9 5 (7.04%) Amazon S3
9 5 (7.04%) AWS CodeBuild
9 5 (7.04%) AWS Fargate
9 5 (7.04%) dbt
9 5 (7.04%) GitHub Actions
10 4 (5.63%) AWS Step Functions
11 2 (2.82%) Amazon EMR
11 2 (2.82%) Asana
11 2 (2.82%) Azure Data Factory
11 2 (2.82%) Power Platform
12 1 (1.41%) Amazon SQS
Communications & Networking
1 1 (1.41%) 5G
1 1 (1.41%) SSH
1 1 (1.41%) TETRA
Database & Business Intelligence
1 19 (26.76%) Data Warehouse
2 14 (19.72%) Big Data
3 7 (9.86%) Data Mining
4 6 (8.45%) Apache Hive
5 5 (7.04%) Data Lake
6 3 (4.23%) Azure SQL Data Warehouse
6 3 (4.23%) BigQuery
6 3 (4.23%) NoSQL
6 3 (4.23%) Relational Database
7 2 (2.82%) Bigtable
7 2 (2.82%) Data Mart
7 2 (2.82%) Hadoop
7 2 (2.82%) Parquet
7 2 (2.82%) Power BI
7 2 (2.82%) RDBMS
7 2 (2.82%) SQL Server
8 1 (1.41%) Flink
8 1 (1.41%) MySQL
8 1 (1.41%) PostgreSQL
8 1 (1.41%) Spatial Data
Development Applications
1 11 (15.49%) Git (software)
2 6 (8.45%) JIRA
3 4 (5.63%) CircleCI
3 4 (5.63%) Jenkins
3 4 (5.63%) Snakemake
4 2 (2.82%) ER Studio
5 1 (1.41%) Deequ
5 1 (1.41%) ERwin
5 1 (1.41%) MLflow
5 1 (1.41%) Visual Studio Code
General
1 16 (22.54%) Analytical Skills
2 13 (18.31%) Finance
3 9 (12.68%) Social Skills
4 5 (7.04%) Legal
5 3 (4.23%) Financial Institution
6 2 (2.82%) Banking
6 2 (2.82%) Front Office
6 2 (2.82%) Games
6 2 (2.82%) Pharmaceutical
6 2 (2.82%) Telecoms
6 2 (2.82%) Wearables
7 1 (1.41%) Bengali Language
7 1 (1.41%) Dutch Language
7 1 (1.41%) Hindi Language
7 1 (1.41%) Marketing
7 1 (1.41%) Organisational Skills
7 1 (1.41%) Presentation Skills
7 1 (1.41%) Publishing
7 1 (1.41%) Retail
7 1 (1.41%) Spanish Language
Job Titles
1 17 (23.94%) Data Scientist
2 11 (15.49%) Engineering Manager
2 11 (15.49%) Software Engineering Manager
2 11 (15.49%) Software Manager
3 7 (9.86%) Data Engineer
4 6 (8.45%) Cloud Engineer
4 6 (8.45%) DevOps Engineer
5 4 (5.63%) Analyst
5 4 (5.63%) Technical Leader
6 3 (4.23%) AWS Engineer
6 3 (4.23%) Machine Learning Engineer
6 3 (4.23%) Senior Data Scientist
6 3 (4.23%) User Experience Researcher
7 2 (2.82%) Architect
7 2 (2.82%) Data Analyst
7 2 (2.82%) Data Architect
7 2 (2.82%) Problem Manager
7 2 (2.82%) Programme Manager
7 2 (2.82%) Senior DevOps
7 2 (2.82%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 10 (14.08%) TensorFlow
2 7 (9.86%) Pandas
2 7 (9.86%) PyTorch
2 7 (9.86%) scikit-learn
3 5 (7.04%) Flask
3 5 (7.04%) Kafka
4 4 (5.63%) PySpark
4 4 (5.63%) pytest
4 4 (5.63%) Tidyverse
5 3 (4.23%) Matplotlib
6 1 (1.41%) .NET
6 1 (1.41%) AngularJS
6 1 (1.41%) COM
6 1 (1.41%) CoreNLP
6 1 (1.41%) CSS
6 1 (1.41%) HTML
6 1 (1.41%) Java EE
6 1 (1.41%) MLlib
6 1 (1.41%) NumPy
6 1 (1.41%) SQLAlchemy
Miscellaneous
1 7 (9.86%) Social Media
2 4 (5.63%) Algorithms
2 4 (5.63%) User Experience
3 3 (4.23%) Data Structures
3 3 (4.23%) Hedge funds
4 2 (2.82%) Cloud Native
4 2 (2.82%) Fixed Income
4 2 (2.82%) Legacy Systems
4 2 (2.82%) Life Science
4 2 (2.82%) Management Information System
4 2 (2.82%) NHS
4 2 (2.82%) Self-Motivation
5 1 (1.41%) Analytical Mindset
5 1 (1.41%) Enterprise Software
5 1 (1.41%) Hybrid Cloud
5 1 (1.41%) Legacy Applications
5 1 (1.41%) Linux Command Line
5 1 (1.41%) SWIFT
Operating Systems
1 1 (1.41%) Android
1 1 (1.41%) Apple iOS
1 1 (1.41%) Linux
Processes & Methodologies
1 35 (49.30%) Agile
2 29 (40.85%) CI/CD
3 25 (35.21%) Data Pipeline
4 24 (33.80%) Analytics
4 24 (33.80%) Machine Learning
5 21 (29.58%) DevOps
6 18 (25.35%) Infrastructure as Code
7 16 (22.54%) Software Engineering
8 14 (19.72%) Computer Science
9 12 (16.90%) Full Stack Development
9 12 (16.90%) Mentoring
9 12 (16.90%) Test Automation
10 11 (15.49%) Community of Practice
10 11 (15.49%) Data Engineering
10 11 (15.49%) ETL
10 11 (15.49%) Statistics
11 8 (11.27%) Deep Learning
11 8 (11.27%) Natural Language Processing
12 7 (9.86%) Fintech
12 7 (9.86%) Mathematics
Programming Languages
1 54 (76.06%) Python
2 12 (16.90%) SQL
3 8 (11.27%) R
4 7 (9.86%) Scala
5 4 (5.63%) Go
5 4 (5.63%) Java
5 4 (5.63%) JavaScript
6 3 (4.23%) Bash
6 3 (4.23%) C#
6 3 (4.23%) Ruby
7 2 (2.82%) PowerShell
8 1 (1.41%) PHP
Qualifications
1 8 (11.27%) Degree
2 4 (5.63%) PhD
2 4 (5.63%) SC Cleared
2 4 (5.63%) Security Cleared
3 3 (4.23%) Computer Science Degree
4 2 (2.82%) ITIL Certification
4 2 (2.82%) Master's Degree
4 2 (2.82%) Numerate Degree
5 1 (1.41%) MPhil
Quality Assurance & Compliance
1 4 (5.63%) QA
2 3 (4.23%) Data Quality
2 3 (4.23%) GDPR
3 1 (1.41%) ISO 20022
3 1 (1.41%) SEPA
System Software
1 16 (22.54%) Docker
2 1 (1.41%) Apache Flume
Systems Management
1 15 (21.13%) Terraform
2 12 (16.90%) Kubernetes
3 8 (11.27%) Ansible
4 4 (5.63%) Opscode Chef
4 4 (5.63%) Puppet
4 4 (5.63%) Salt
Vendors
1 3 (4.23%) Databricks
1 3 (4.23%) Google
1 3 (4.23%) Oracle
2 2 (2.82%) Netezza
3 1 (1.41%) Facebook
3 1 (1.41%) IDERA
3 1 (1.41%) Microsoft
3 1 (1.41%) Qualtrics
3 1 (1.41%) Sparx