Period
to 11 December 2019

The following table provides summary statistics for contract job vacancies advertised in Central London with a requirement for Data Lake skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Lake over the 6 months to 11 December 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 Lakes
London > Central London
6 months to
11 Dec 2019
Same period 2018 Same period 2017
Rank 162 240 262
Rank change year-on-year +78 +22 -22
Contract jobs citing Data Lake 92 60 22
As % of all contract IT jobs advertised in Central London 1.30% 0.64% 0.25%
As % of the Database & Business Intelligence category 5.28% 2.64% 1.03%
Number of daily rates quoted 73 43 17
Central London median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% -16.00%
10th Percentile £413 £428 £392
90th Percentile £668 £675 £778
London median daily rate £550 £525 £550
% change year-on-year +4.76% -4.55% -8.33%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate - - -

Data Lake is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Central London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Central London
Contract vacancies with a requirement for database or business intelligence skills 1,744 2,274 2,135
As % of all contract IT jobs advertised in Central London 24.59% 24.32% 24.69%
Number of daily rates quoted 1,356 1,812 1,735
Central London median daily rate £520 £525 £525
Median daily rate % change year-on-year -0.95% - +10.53%
10th Percentile £368 £370 £363
90th Percentile £675 £675 £688
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 5 11 12
Central London median hourly rate £35.00 £35.00 £27.50
Median hourly rate % change year-on-year - +27.27% -38.89%
10th Percentile £21.20 £19.50 £20.75
90th Percentile £86.70 £42.19 £33.25
London median hourly rate £35.00 £27.50 £27.50
% change year-on-year +27.27% - -7.97%

Data Lake
Job Vacancy Trend in Central London

Job postings citing Data Lake as a percentage of all IT jobs advertised in Central London.

Job vacancy trend for Data Lake in Central London

Data Lake
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Lake in Central London.

Contractor daily rate trend for Data Lake in Central London

Data Lake
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Data Lake in Central London over the 6 months to 11 December 2019.

Contractor daily rate histogram for Data Lake in Central London

Data Lake
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Lake within the Central London region over the 6 months to 11 December 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
City of London +68 75 £538 -2.27% 33
Southwark +44 13 £525 -
City of Westminster - 2 £550 -
West End of London +23 1 £550 -
Data Lake
London

For the 6 months to 11 December 2019, IT contractor jobs citing Data Lake 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 Central London region with a requirement for Data Lake.

1 61 (66.30%) Azure
2 47 (51.09%) SQL
3 36 (39.13%) Microsoft
3 36 (39.13%) Azure Data Factory
4 33 (35.87%) Serverless
5 30 (32.61%) Azure SQL Database
6 29 (31.52%) Analytics
6 29 (31.52%) C#
6 29 (31.52%) Python
6 29 (31.52%) Data Warehouse
6 29 (31.52%) Agile Software Development
7 27 (29.35%) Business Intelligence
8 23 (25.00%) Finance
8 23 (25.00%) Big Data
9 22 (23.91%) Data Modelling
9 22 (23.91%) .NET
9 22 (23.91%) Databricks
10 21 (22.83%) Power Platform
10 21 (22.83%) Power BI
11 18 (19.57%) AWS
12 16 (17.39%) Azure Functions
12 16 (17.39%) DevOps
12 16 (17.39%) Migration
13 15 (16.30%) ETL
14 14 (15.22%) Mentoring
14 14 (15.22%) Hadoop
14 14 (15.22%) Amazon S3
15 13 (14.13%) Kubernetes
15 13 (14.13%) SQL Server Integration Services
16 12 (13.04%) SQL Server Analysis Services

Data Lake
Co-occurring IT Skills in Central 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 10 (10.87%) Apache Spark
2 6 (6.52%) SharePoint
3 3 (3.26%) Elasticsearch
3 3 (3.26%) Jupyter
4 2 (2.17%) Confluence
5 1 (1.09%) SAS
Applications
1 1 (1.09%) Microsoft Excel
Business Applications
1 2 (2.17%) Dynamics CRM
2 1 (1.09%) Dynamics AX
2 1 (1.09%) Dynamics NAV
2 1 (1.09%) SAP MDM
2 1 (1.09%) SAP Oil and Gas
Cloud Services
1 61 (66.30%) Azure
2 36 (39.13%) Azure Data Factory
3 33 (35.87%) Serverless
4 21 (22.83%) Power Platform
5 18 (19.57%) AWS
6 16 (17.39%) Azure Functions
7 14 (15.22%) Amazon S3
8 12 (13.04%) Data Lake Analytics
9 8 (8.70%) AWS Lambda
10 7 (7.61%) Amazon EMR
11 5 (5.43%) Azure Active Directory
12 4 (4.35%) GCP
13 3 (3.26%) Dynamics 365
14 2 (2.17%) Amazon CloudWatch
14 2 (2.17%) Amazon Kinesis
14 2 (2.17%) AWS CloudFormation
14 2 (2.17%) AWS CloudTrail
14 2 (2.17%) AWS Step Functions
14 2 (2.17%) IaaS
14 2 (2.17%) Office 365
Database & Business Intelligence
1 30 (32.61%) Azure SQL Database
2 29 (31.52%) Data Warehouse
3 23 (25.00%) Big Data
4 21 (22.83%) Power BI
5 14 (15.22%) Hadoop
6 13 (14.13%) SQL Server Integration Services
7 12 (13.04%) Azure SQL Data Warehouse
7 12 (13.04%) SQL Server Analysis Services
8 11 (11.96%) SQL Server
9 9 (9.78%) Cosmos DB
10 8 (8.70%) Amazon Redshift
10 8 (8.70%) Apache Hive
11 7 (7.61%) Redis
12 6 (6.52%) Microsoft Analysis Services
12 6 (6.52%) NoSQL
12 6 (6.52%) SQL Server Reporting Services
13 5 (5.43%) Data Mart
13 5 (5.43%) MongoDB
14 4 (4.35%) Amazon Athena
15 3 (3.26%) SQL Server 2017
Development Applications
1 8 (8.70%) Visual Studio Team System
2 6 (6.52%) Git (software)
3 5 (5.43%) JIRA
4 3 (3.26%) Atlassian Bamboo
4 3 (3.26%) Jenkins
4 3 (3.26%) Visual Studio
5 2 (2.17%) Cucumber
5 2 (2.17%) Team Foundation Server
6 1 (1.09%) ER Studio
6 1 (1.09%) ERwin
6 1 (1.09%) Maven
6 1 (1.09%) Mocha
6 1 (1.09%) NUnit
6 1 (1.09%) PowerDesigner
6 1 (1.09%) Selenium
6 1 (1.09%) Spock
6 1 (1.09%) TeamCity
General
1 23 (25.00%) Finance
2 6 (6.52%) Advertising
3 3 (3.26%) Front Office
3 3 (3.26%) Marketing
4 2 (2.17%) Banking
5 1 (1.09%) Public Sector
Job Titles
1 27 (29.35%) Developer
2 20 (21.74%) Architect
3 19 (20.65%) Data Architect
4 18 (19.57%) Data Engineer
5 11 (11.96%) Azure Developer
5 11 (11.96%) Azure Engineer
6 8 (8.70%) C# Developer
7 5 (5.43%) AWS Developer
7 5 (5.43%) Azure Architect
7 5 (5.43%) Node.js Developer
7 5 (5.43%) Senior Architect
7 5 (5.43%) Senior Data Architect
8 4 (4.35%) Python Developer
8 4 (4.35%) Senior Developer
9 3 (3.26%) .NET Developer
9 3 (3.26%) Applications Developer
9 3 (3.26%) Business Intelligence Developer
9 3 (3.26%) C# Application Developer
9 3 (3.26%) Data Warehouse Architect
9 3 (3.26%) SQL Developer
Libraries, Frameworks & Software Standards
1 22 (23.91%) .NET
2 7 (7.61%) .NET Core
3 6 (6.52%) Node.js
4 5 (5.43%) JSON
4 5 (5.43%) Kafka
4 5 (5.43%) XML
5 4 (4.35%) AngularJS
5 4 (4.35%) MDX
5 4 (4.35%) Web Services
6 3 (3.26%) GraphQL
6 3 (3.26%) Vue.js
7 2 (2.17%) .NET Framework
7 2 (2.17%) Flask
8 1 (1.09%) Gherkin
8 1 (1.09%) HTML
8 1 (1.09%) NumPy
8 1 (1.09%) Pandas
8 1 (1.09%) REST
8 1 (1.09%) Spring
8 1 (1.09%) XSD
Miscellaneous
1 8 (8.70%) Greenfield Project
2 5 (5.43%) Analytical Skills
3 3 (3.26%) Algorithms
4 2 (2.17%) Cloud Native
5 1 (1.09%) Data Centre
5 1 (1.09%) Data Structures
5 1 (1.09%) Enterprise Cloud
5 1 (1.09%) Linux Command Line
5 1 (1.09%) Public Cloud
5 1 (1.09%) User Experience
Operating Systems
1 2 (2.17%) Unix
2 1 (1.09%) Linux
Processes & Methodologies
1 29 (31.52%) Agile Software Development
1 29 (31.52%) Analytics
2 27 (29.35%) Business Intelligence
3 22 (23.91%) Data Modelling
4 16 (17.39%) DevOps
4 16 (17.39%) Migration
5 15 (16.30%) ETL
6 14 (15.22%) Mentoring
7 12 (13.04%) Data Architecture
8 11 (11.96%) Continuous Integration
8 11 (11.96%) Data Science
9 10 (10.87%) Data Management
9 10 (10.87%) Microservices
9 10 (10.87%) Test Automation
10 9 (9.78%) Data Integration
11 8 (8.70%) Dimensional Modelling
11 8 (8.70%) TDD
12 7 (7.61%) Scrum
12 7 (7.61%) Stakeholder Management
12 7 (7.61%) Visualisation
Programming Languages
1 47 (51.09%) SQL
2 29 (31.52%) C#
2 29 (31.52%) Python
3 7 (7.61%) Scala
4 6 (6.52%) PowerShell
5 4 (4.35%) Data Analysis Expressions (DAX)
5 4 (4.35%) Java
6 3 (3.26%) T-SQL
7 1 (1.09%) Bash Shell
7 1 (1.09%) Java 8
7 1 (1.09%) JavaScript
7 1 (1.09%) PL/SQL
7 1 (1.09%) U-SQL
7 1 (1.09%) VBA
Qualifications
1 1 (1.09%) PRINCE2 Certification
1 1 (1.09%) SC Cleared
1 1 (1.09%) Security Cleared
Quality Assurance & Compliance
1 6 (6.52%) Data Quality
2 2 (2.17%) GDPR
2 2 (2.17%) QA
System Software
1 12 (13.04%) Docker
2 6 (6.52%) Active Directory
2 6 (6.52%) HDFS
2 6 (6.52%) Virtual Machines
3 2 (2.17%) Apache Flume
3 2 (2.17%) NFS
Systems Management
1 13 (14.13%) Kubernetes
2 2 (2.17%) Hadoop YARN
3 1 (1.09%) Ansible
3 1 (1.09%) Kubeflow
3 1 (1.09%) Terraform
Vendors
1 36 (39.13%) Microsoft
2 22 (23.91%) Databricks
3 7 (7.61%) Tableau
4 5 (5.43%) Cloudera
5 4 (4.35%) Google
5 4 (4.35%) Talend
6 3 (3.26%) Alteryx
6 3 (3.26%) SAP
7 2 (2.17%) NetApp
8 1 (1.09%) Ab Initio
8 1 (1.09%) Atlassian
8 1 (1.09%) Informatica
8 1 (1.09%) MuleSoft
8 1 (1.09%) Oracle
8 1 (1.09%) Siebel