Period
to 20 January 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Data Lake skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Lake over the 6 months to 20 January 2021 with a comparison to the same period in the previous 2 years.

Data Lakes
Central London > City of London
6 months to
20 Jan 2021
Same period 2020 Same period 2019
Rank 128 254 263
Rank change year-on-year +126 +9 +29
Permanent jobs citing Data Lake 93 57 68
As % of all permanent jobs advertised in the City of London 2.16% 0.62% 0.67%
As % of the Database & Business Intelligence category 7.18% 2.28% 2.22%
Number of salaries quoted 87 48 66
Median annual salary £90,000 £72,500 £72,500
Median salary % change year-on-year +24.14% - +3.57%
10th Percentile £65,000 £44,500 £50,375
90th Percentile £111,250 £91,250 £102,500
Central London median annual salary £87,500 £70,000 £76,250
% change year-on-year +25.00% -8.20% +8.93%

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 permanent job vacancies advertised in the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Permanent vacancies with a requirement for database or business intelligence skills 1,296 2,495 3,069
As % of all permanent IT jobs advertised in the City of London 30.04% 27.31% 30.25%
Number of salaries quoted 1,088 2,219 2,775
Median annual salary £72,500 £67,500 £65,000
Median salary % change year-on-year +7.41% +3.85% +8.33%
10th Percentile £45,750 £42,500 £41,250
90th Percentile £103,750 £102,500 £96,250
Central London median annual salary £70,000 £67,500 £65,000
% change year-on-year +3.70% +3.85% +8.33%

Data Lake
Job Vacancy Trend in the City of London

Job postings citing Data Lake as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Lake in the City of London

Data Lake
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Data Lake in the City of London.

Salary trend for Data Lake in the City of London

Data Lake
Salary Histogram in the City of London

Salary distribution for jobs citing Data Lake in the City of London over the 6 months to 20 January 2021.

Salary histogram for Data Lake in the City of London

For the 6 months to 20 January 2021, IT 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 permanent job ads across the City of London region with a requirement for Data Lake.

1 74 (79.57%) Azure
2 65 (69.89%) Databricks
3 52 (55.91%) SQL
4 50 (53.76%) SQL Server
5 46 (49.46%) Azure SQL Database
6 43 (46.24%) DevOps
7 38 (40.86%) Data Warehouse
7 38 (40.86%) Finance
8 35 (37.63%) Microsoft
9 33 (35.48%) Business Intelligence
9 33 (35.48%) Agile Software Development
9 33 (35.48%) SaaS
9 33 (35.48%) Power Platform
10 32 (34.41%) Analytics
11 31 (33.33%) Azure Data Factory
12 28 (30.11%) ETL
12 28 (30.11%) Test Automation
12 28 (30.11%) Microservices
13 27 (29.03%) .NET
14 25 (26.88%) PaaS
15 24 (25.81%) Domain-Driven Design
15 24 (25.81%) Continuous Integration
15 24 (25.81%) CQRS
15 24 (25.81%) Twitter Bootstrap
15 24 (25.81%) CSS
15 24 (25.81%) SharePoint
15 24 (25.81%) XML
15 24 (25.81%) Ajax
15 24 (25.81%) jQuery
15 24 (25.81%) Dynamics 365

Data Lake
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 24 (25.81%) SharePoint
2 15 (16.13%) Apache Spark
3 4 (4.30%) Apache
Cloud Services
1 74 (79.57%) Azure
2 33 (35.48%) Power Platform
2 33 (35.48%) SaaS
3 31 (33.33%) Azure Data Factory
4 25 (26.88%) PaaS
5 24 (25.81%) Dynamics 365
6 18 (19.35%) AWS
7 3 (3.23%) GCP
7 3 (3.23%) Serverless
8 2 (2.15%) Amazon EC2
8 2 (2.15%) Amazon S3
8 2 (2.15%) Amazon SQS
8 2 (2.15%) Azure Functions
8 2 (2.15%) Logic Apps
9 1 (1.08%) Amazon EMR
9 1 (1.08%) Amazon GuardDuty
9 1 (1.08%) Amazon Kinesis
9 1 (1.08%) Amazon SageMaker
9 1 (1.08%) GitHub
9 1 (1.08%) IaaS
Database & Business Intelligence
1 50 (53.76%) SQL Server
2 46 (49.46%) Azure SQL Database
3 38 (40.86%) Data Warehouse
4 15 (16.13%) SQL Server Analysis Services
5 13 (13.98%) Big Data
6 12 (12.90%) Azure SQL Data Warehouse
6 12 (12.90%) SQL Server Integration Services
7 10 (10.75%) Hadoop
8 9 (9.68%) Amazon Redshift
8 9 (9.68%) Power BI
8 9 (9.68%) SQL Server Reporting Services
9 8 (8.60%) NoSQL
10 7 (7.53%) Microsoft Analysis Services
11 6 (6.45%) Delta Lake
12 5 (5.38%) Cosmos DB
12 5 (5.38%) Data Mart
13 4 (4.30%) HDInsight
13 4 (4.30%) MongoDB
14 3 (3.23%) Amazon RDS
14 3 (3.23%) Presto
Development Applications
1 3 (3.23%) JIRA
2 1 (1.08%) Artifactory
2 1 (1.08%) Atlassian Bamboo
2 1 (1.08%) CircleCI
2 1 (1.08%) Git (software)
2 1 (1.08%) Jenkins
2 1 (1.08%) JUnit
2 1 (1.08%) Octopus Deploy
2 1 (1.08%) Selenium
2 1 (1.08%) SonarQube
2 1 (1.08%) SQL Server Management Studio (SSMS)
2 1 (1.08%) Subversion
2 1 (1.08%) Team Foundation Server
2 1 (1.08%) TeamCity
2 1 (1.08%) Visual Studio
2 1 (1.08%) Visual Studio Team System
General
1 38 (40.86%) Finance
2 7 (7.53%) Advertising
3 3 (3.23%) Front Office
3 3 (3.23%) Retail
4 2 (2.15%) Banking
4 2 (2.15%) Housing Association
5 1 (1.08%) Games
5 1 (1.08%) Investment Banking
5 1 (1.08%) Pharmaceutical
5 1 (1.08%) Public Sector
5 1 (1.08%) Telecoms
Job Titles
1 37 (39.78%) Architect
2 32 (34.41%) Developer
3 22 (23.66%) Applications Architect
4 20 (21.51%) Azure Developer
4 20 (21.51%) Business Intelligence Developer
5 19 (20.43%) Enterprise Architect
6 18 (19.35%) SaaS Architect
7 17 (18.28%) Data Engineer
7 17 (18.28%) Enterprise Applications Architect
8 14 (15.05%) Lead Developer
9 13 (13.98%) Azure Architect
10 12 (12.90%) Business Intelligence Lead
11 9 (9.68%) Data Architect
12 7 (7.53%) Senior Data Engineer
12 7 (7.53%) Senior Developer
13 6 (6.45%) Azure Engineer
14 5 (5.38%) .NET Architect
15 4 (4.30%) C# Architect
16 3 (3.23%) Senior Business Intelligence Developer
16 3 (3.23%) Solutions Architect
Libraries, Frameworks & Software Standards
1 27 (29.03%) .NET
2 24 (25.81%) Ajax
2 24 (25.81%) CSS
2 24 (25.81%) jQuery
2 24 (25.81%) Twitter Bootstrap
2 24 (25.81%) XML
3 8 (8.60%) .NET Core
3 8 (8.60%) Kafka
3 8 (8.60%) MDX
4 4 (4.30%) React
5 3 (3.23%) ADO.NET
5 3 (3.23%) AngularJS
5 3 (3.23%) ASP.NET
5 3 (3.23%) ASP.NET Core
5 3 (3.23%) Dapper ORM
5 3 (3.23%) Entity Framework
5 3 (3.23%) NHibernate
5 3 (3.23%) PySpark
5 3 (3.23%) Vue.js
5 3 (3.23%) Web Services
Miscellaneous
1 21 (22.58%) Enterprise Software
2 11 (11.83%) Management Information System
3 8 (8.60%) Analytical Skills
4 4 (4.30%) Algorithms
4 4 (4.30%) Reinsurance
5 3 (3.23%) Fixed Income
6 2 (2.15%) Equities
6 2 (2.15%) Greenfield Project
6 2 (2.15%) Public Cloud
6 2 (2.15%) Self-Motivation
7 1 (1.08%) Cloud Native
7 1 (1.08%) Data Centre
7 1 (1.08%) Exotic Derivative
7 1 (1.08%) Foreign Exchange (FX)
7 1 (1.08%) Market Risk
7 1 (1.08%) Private Cloud
Operating Systems
1 2 (2.15%) Linux
1 2 (2.15%) Unix
1 2 (2.15%) Windows
Processes & Methodologies
1 43 (46.24%) DevOps
2 33 (35.48%) Agile Software Development
2 33 (35.48%) Business Intelligence
3 32 (34.41%) Analytics
4 28 (30.11%) ETL
4 28 (30.11%) Microservices
4 28 (30.11%) Test Automation
5 24 (25.81%) Continuous Integration
5 24 (25.81%) CQRS
5 24 (25.81%) Deployment Automation
5 24 (25.81%) Domain-Driven Design
6 23 (24.73%) Data Modelling
7 22 (23.66%) Computer Science
8 21 (22.58%) Line Management
9 19 (20.43%) Business Case
9 19 (20.43%) Cost-Benefit Analysis
9 19 (20.43%) Risk Analysis
10 15 (16.13%) BPR
10 15 (16.13%) Systems Analysis
11 13 (13.98%) Data Analytics
Programming Languages
1 52 (55.91%) SQL
2 23 (24.73%) Python
3 12 (12.90%) C#
3 12 (12.90%) Java
4 8 (8.60%) Data Analysis Expressions (DAX)
5 5 (5.38%) JavaScript
6 4 (4.30%) Scala
7 2 (2.15%) PowerShell
7 2 (2.15%) R
7 2 (2.15%) T-SQL
8 1 (1.08%) Bash Shell
8 1 (1.08%) C++
8 1 (1.08%) VBA
Qualifications
1 22 (23.66%) Degree
2 19 (20.43%) Computer Science Degree
3 2 (2.15%) PhD
4 1 (1.08%) AWS Certification
4 1 (1.08%) Master's Degree
Quality Assurance & Compliance
1 2 (2.15%) QA
2 1 (1.08%) Dodd-Frank
2 1 (1.08%) EMIR
2 1 (1.08%) GDPR
2 1 (1.08%) MiFID
System Software
1 1 (1.08%) Docker
Systems Management
1 6 (6.45%) Kubernetes
2 1 (1.08%) Nagios
Vendors
1 65 (69.89%) Databricks
2 35 (37.63%) Microsoft
3 4 (4.30%) Talend
4 3 (3.23%) Ab Initio
5 2 (2.15%) Oracle
6 1 (1.08%) Cisco
6 1 (1.08%) Google
6 1 (1.08%) IBM
6 1 (1.08%) Informatica
6 1 (1.08%) MEDITECH
6 1 (1.08%) Sage
6 1 (1.08%) SAP
6 1 (1.08%) Sparx
6 1 (1.08%) StreamSets