Period
to

The following table provides summary statistics for contract job vacancies advertised in the City of 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 3 July 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 Lakes
Central London > City of London
6 months to
3 Jul 2022
Same period 2021 Same period 2020
Rank 142 113 111
Rank change year-on-year -29 -2 +48
Contract jobs citing Data Lake 55 55 29
As % of all contract jobs advertised in the City of London 1.27% 1.72% 1.06%
As % of the Database & Business Intelligence category 6.17% 7.97% 4.16%
Number of daily rates quoted 25 46 26
10th Percentile £483 £469 £419
25th Percentile £563 £500 £463
Median daily rate (50th Percentile) £679 £600 £525
Median % change year-on-year +13.18% +14.29% -
75th Percentile £775 £633 £569
90th Percentile £925 £706 £613
Central London median daily rate £650 £600 £525
% change year-on-year +8.33% +14.29% -

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 the City of London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
City of London
Contract vacancies with a requirement for database or business intelligence skills 891 690 697
As % of all contract IT jobs advertised in the City of London 20.55% 21.60% 25.48%
Number of daily rates quoted 660 466 528
10th Percentile £450 £403 £375
25th Percentile £507 £463 £425
Median daily rate (50th Percentile) £590 £550 £510
Median % change year-on-year +7.32% +7.84% -2.86%
75th Percentile £719 £643 £601
90th Percentile £800 £713 £688
Central London median daily rate £590 £550 £513
% change year-on-year +7.32% +7.32% -2.38%
Number of hourly rates quoted 7 7 5
10th Percentile £42.05 - £24.90
25th Percentile £49.88 - £36.75
Median hourly rate £55.00 £8.00 £38.50
Median % change year-on-year +587.50% -79.22% +10.00%
75th Percentile £59.63 £24.46 £39.25
90th Percentile £63.35 £28.31 £44.35
Central London median hourly rate £55.00 £14.00 £38.50
% change year-on-year +292.86% -63.64% +10.00%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Data Lake in the City of London

Data Lake
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Lake in the City of London over the 6 months to 3 July 2022.

Daily rate histogram for Data Lake in the City of London

For the 6 months to 3 July 2022, 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 City of London region with a requirement for Data Lake.

1 36 (65.45%) Azure
2 35 (63.64%) Data Warehouse
3 27 (49.09%) Finance
4 23 (41.82%) Agile
5 21 (38.18%) Python
6 19 (34.55%) SQL
6 19 (34.55%) Data Architecture
7 17 (30.91%) AWS
7 17 (30.91%) Data Management
7 17 (30.91%) SQL Server
7 17 (30.91%) Analytics
7 17 (30.91%) DevOps
7 17 (30.91%) Serverless
8 16 (29.09%) Data Modelling
9 15 (27.27%) ETL
9 15 (27.27%) Business Intelligence
9 15 (27.27%) Apache Spark
9 15 (27.27%) Kafka
9 15 (27.27%) Big Data
9 15 (27.27%) CI/CD
10 14 (25.45%) Social Skills
10 14 (25.45%) Azure Data Factory
11 13 (23.64%) TOGAF
11 13 (23.64%) Data Analysis
12 12 (21.82%) Microsoft
12 12 (21.82%) Power Platform
12 12 (21.82%) BiZZdesign
13 11 (20.00%) Databricks
13 11 (20.00%) Docker
13 11 (20.00%) C#

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 15 (27.27%) Apache Spark
2 6 (10.91%) Apache Pig
3 4 (7.27%) Apache Solr
3 4 (7.27%) IBM HTTP Server
4 2 (3.64%) Apache
4 2 (3.64%) Confluence
5 1 (1.82%) Apache Airflow
5 1 (1.82%) SAS
Applications
1 1 (1.82%) Microsoft Excel
Business Applications
1 2 (3.64%) Sparx Enterprise Architect
2 1 (1.82%) SAP Oil and Gas
2 1 (1.82%) SAP S/4HANA
Cloud Services
1 36 (65.45%) Azure
2 17 (30.91%) AWS
2 17 (30.91%) Serverless
3 14 (25.45%) Azure Data Factory
4 12 (21.82%) Power Platform
5 9 (16.36%) Amazon EC2
5 9 (16.36%) AWS Lambda
5 9 (16.36%) Azure Cosmos DB
6 8 (14.55%) Azure Functions
7 7 (12.73%) Amazon S3
7 7 (12.73%) Azure Synapse Analytics
8 6 (10.91%) Azure Active Directory
8 6 (10.91%) Azure AKS
8 6 (10.91%) Azure Storage
9 5 (9.09%) Azure DevOps
10 4 (7.27%) GCP
10 4 (7.27%) Snowflake
11 3 (5.45%) PaaS
12 2 (3.64%) GitHub
12 2 (3.64%) PowerApps
Communications & Networking
1 4 (7.27%) Kerberos
2 1 (1.82%) SSH
Database & Business Intelligence
1 35 (63.64%) Data Warehouse
2 17 (30.91%) SQL Server
3 15 (27.27%) Big Data
4 10 (18.18%) Power BI
5 8 (14.55%) Azure SQL Database
5 8 (14.55%) SAP HANA
6 6 (10.91%) Amazon RDS
6 6 (10.91%) Apache Hive
6 6 (10.91%) Azure SQL Data Warehouse
6 6 (10.91%) Hadoop
6 6 (10.91%) HDInsight
6 6 (10.91%) NoSQL
6 6 (10.91%) Relational Database
7 5 (9.09%) Flink
8 4 (7.27%) Apache Cassandra
8 4 (7.27%) Impala
8 4 (7.27%) Metadata
8 4 (7.27%) MongoDB
8 4 (7.27%) Parquet
8 4 (7.27%) RDBMS
Development Applications
1 9 (16.36%) PowerDesigner
2 8 (14.55%) Git (software)
2 8 (14.55%) kappa
3 7 (12.73%) Visual Studio
4 6 (10.91%) JIRA
5 5 (9.09%) Subversion
6 4 (7.27%) TeamCity
7 2 (3.64%) ERwin
7 2 (3.64%) Jenkins
8 1 (1.82%) Atlassian Bamboo
8 1 (1.82%) ER Studio
8 1 (1.82%) GitLab
8 1 (1.82%) Maven
8 1 (1.82%) SQL Server Management Studio (SSMS)
General
1 27 (49.09%) Finance
2 14 (25.45%) Social Skills
3 9 (16.36%) Financial Institution
3 9 (16.36%) Legal
4 8 (14.55%) Banking
5 4 (7.27%) Front Office
5 4 (7.27%) International Banking
5 4 (7.27%) Investment Banking
6 3 (5.45%) Back Office
6 3 (5.45%) Retail
7 2 (3.64%) Analytical Skills
8 1 (1.82%) Influencing Skills
8 1 (1.82%) Law
8 1 (1.82%) Telecoms
Job Titles
1 25 (45.45%) Architect
2 19 (34.55%) Data Architect
3 16 (29.09%) Data Engineer
4 11 (20.00%) Solutions Architect
5 9 (16.36%) Azure Engineer
6 7 (12.73%) Developer
7 5 (9.09%) Azure Data Engineer
7 5 (9.09%) Senior Architect
7 5 (9.09%) Senior Data Architect
8 4 (7.27%) .NET Developer
8 4 (7.27%) Senior Solutions Architect
9 3 (5.45%) Azure Platform Engineer
9 3 (5.45%) Cloud Platform Engineer
9 3 (5.45%) GCP Data Engineer
9 3 (5.45%) GCP Engineer
9 3 (5.45%) Platform Engineer
9 3 (5.45%) Salesforce Architect
9 3 (5.45%) Salesforce Solution Architect
10 2 (3.64%) Cloud Engineer
10 2 (3.64%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 15 (27.27%) Kafka
2 7 (12.73%) RESTful
3 5 (9.09%) .NET
4 4 (7.27%) .NET Core
4 4 (7.27%) Apache Avro
5 3 (5.45%) ARM Templates
6 2 (3.64%) React
7 1 (1.82%) AngularJS
7 1 (1.82%) Apache NiFi
7 1 (1.82%) CSS
7 1 (1.82%) FastAPI
7 1 (1.82%) Flask
7 1 (1.82%) HTML
7 1 (1.82%) JMS
7 1 (1.82%) PySpark
7 1 (1.82%) REST
7 1 (1.82%) Web Services
Miscellaneous
1 9 (16.36%) Hedge funds
2 6 (10.91%) Data Structures
2 6 (10.91%) Virtual Team
3 5 (9.09%) Cloud Native
4 4 (7.27%) Credit Risk
4 4 (7.27%) Grid Computing
4 4 (7.27%) Legacy Code
4 4 (7.27%) Market Risk
5 3 (5.45%) Legacy Systems
6 2 (3.64%) Self-Motivation
7 1 (1.82%) Legacy Applications
7 1 (1.82%) Public Cloud
Operating Systems
1 8 (14.55%) Linux
2 6 (10.91%) Debian
2 6 (10.91%) Red Hat Enterprise Linux
2 6 (10.91%) Ubuntu
2 6 (10.91%) Windows
Processes & Methodologies
1 23 (41.82%) Agile
2 19 (34.55%) Data Architecture
3 17 (30.91%) Analytics
3 17 (30.91%) Data Management
3 17 (30.91%) DevOps
4 16 (29.09%) Data Modelling
5 15 (27.27%) Business Intelligence
5 15 (27.27%) CI/CD
5 15 (27.27%) ETL
6 13 (23.64%) Data Analysis
6 13 (23.64%) TOGAF
7 11 (20.00%) Enterprise Architecture
8 10 (18.18%) Data Pipeline
9 9 (16.36%) Data Protection
9 9 (16.36%) Migration
9 9 (16.36%) SDLC
10 8 (14.55%) AOP
10 8 (14.55%) Data Integration
11 7 (12.73%) Workflow
12 6 (10.91%) Scrum
Programming Languages
1 21 (38.18%) Python
2 19 (34.55%) SQL
3 11 (20.00%) C#
4 10 (18.18%) Java
4 10 (18.18%) PowerShell
5 9 (16.36%) JavaScript
6 7 (12.73%) T-SQL
7 6 (10.91%) Go
7 6 (10.91%) Perl
7 6 (10.91%) PHP
8 3 (5.45%) C
8 3 (5.45%) Scala
9 1 (1.82%) Bash
9 1 (1.82%) R
9 1 (1.82%) Shell Script
Qualifications
1 2 (3.64%) Computer Science Degree
1 2 (3.64%) Degree
1 2 (3.64%) Master's Degree
1 2 (3.64%) SC Cleared
1 2 (3.64%) Security Cleared
Quality Assurance & Compliance
1 9 (16.36%) GDPR
2 2 (3.64%) Data Quality
3 1 (1.82%) IFRS
3 1 (1.82%) IFRS 17
3 1 (1.82%) QA
System Software
1 11 (20.00%) Docker
2 6 (10.91%) Active Directory
3 4 (7.27%) Apache ZooKeeper
Systems Management
1 8 (14.55%) Kubernetes
2 5 (9.09%) Terraform
3 4 (7.27%) Control-M
3 4 (7.27%) Hadoop YARN
4 1 (1.82%) Ansible
4 1 (1.82%) QRadar
Vendors
1 12 (21.82%) BiZZdesign
1 12 (21.82%) Microsoft
2 11 (20.00%) Databricks
3 10 (18.18%) Cloudera
3 10 (18.18%) SAP
4 7 (12.73%) MuleSoft
5 6 (10.91%) Red Hat
5 6 (10.91%) Salesforce.com
6 4 (7.27%) Oracle
7 2 (3.64%) Alteryx
7 2 (3.64%) Google
7 2 (3.64%) Netezza
7 2 (3.64%) Sparx
8 1 (1.82%) Confluent
8 1 (1.82%) IDERA
8 1 (1.82%) Splunk