Period
to 21 September 2019

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 21 September 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
Central London > City of London
6 months to
21 Sep 2019
Same period 2018 Same period 2017
Rank 135 223 239
Rank change year-on-year +88 +16 -5
Contract jobs citing Data Lake 101 36 11
As % of all contract IT jobs advertised in the City of London 1.63% 0.52% 0.16%
As % of the Database & Business Intelligence category 6.38% 1.99% 0.64%
Number of daily rates quoted 78 34 10
City of London median daily rate £525 £550 £550
Median daily rate % change year-on-year -4.55% - -6.38%
10th Percentile £421 £419 £418
90th Percentile £704 £688 £822
Central London median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% -10.64%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central 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 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 1,582 1,806 1,722
As % of all contract IT jobs advertised in the City of London 25.52% 25.84% 25.36%
Number of daily rates quoted 1,259 1,431 1,356
City of London median daily rate £525 £525 £520
Median daily rate % change year-on-year - +0.96% +12.43%
10th Percentile £388 £370 £363
90th Percentile £688 £675 £675
Central London median daily rate £525 £525 £500
% change year-on-year - +5.00% +11.11%
Number of hourly rates quoted 9 14 8
City of London median hourly rate £44.57 £22.25 £25.99
Median hourly rate % change year-on-year +100.29% -14.40% +36.80%
10th Percentile £21.23 £19.50 £20.75
90th Percentile £70.10 £37.09 £33.25
Central London median hourly rate £44.57 £22.25 £25.99
% change year-on-year +100.29% -14.40% +36.80%

Data Lake
Job Vacancy Trend in the City of London

Job postings citing Data Lake as a percentage 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

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

Contractor daily rate trend for Data Lake in the City of London

Data Lake
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Data Lake in the City of London over the 6 months to 21 September 2019.

Contractor daily rate histogram for Data Lake in the City of London

Data Lake
Contract Job Locations in the City of 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 City of London region over the 6 months to 21 September 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
London Bridge - 7 £525 -
Data Lake
Central London

For the 6 months to 21 September 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 City of London region with a requirement for Data Lake.

1 69 (68.32%) Azure
2 53 (52.48%) SQL
3 43 (42.57%) C#
4 36 (35.64%) .NET
4 36 (35.64%) Serverless
5 34 (33.66%) Data Warehouse
6 31 (30.69%) Agile Software Development
7 30 (29.70%) Microsoft
7 30 (29.70%) Microservices
8 29 (28.71%) Big Data
9 28 (27.72%) Azure SQL Database
10 25 (24.75%) Business Intelligence
10 25 (24.75%) Azure Data Factory
11 24 (23.76%) Cosmos DB
11 24 (23.76%) Docker
12 23 (22.77%) Finance
13 22 (21.78%) Data Modelling
13 22 (21.78%) Python
13 22 (21.78%) TDD
13 22 (21.78%) Kubernetes
13 22 (21.78%) Redis
14 21 (20.79%) Greenfield Project
15 20 (19.80%) .NET Core
15 20 (19.80%) Power BI
15 20 (19.80%) Power Platform
16 19 (18.81%) Analytics
17 18 (17.82%) Hadoop
17 18 (17.82%) ETL
18 17 (16.83%) SQL Server
19 16 (15.84%) Migration

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 (14.85%) Apache Spark
2 6 (5.94%) SharePoint
3 3 (2.97%) Confluence
3 3 (2.97%) Jupyter
4 2 (1.98%) Apache
4 2 (1.98%) Elasticsearch
5 1 (0.99%) Anypoint
5 1 (0.99%) SAS
Applications
1 2 (1.98%) Microsoft Office
2 1 (0.99%) Microsoft Excel
Business Applications
1 4 (3.96%) Dynamics AX
1 4 (3.96%) Dynamics CRM
1 4 (3.96%) Dynamics NAV
2 1 (0.99%) Markit EDM
2 1 (0.99%) SAP ERP
2 1 (0.99%) SAP Oil and Gas
2 1 (0.99%) SAP S/4HANA
Cloud Services
1 69 (68.32%) Azure
2 36 (35.64%) Serverless
3 25 (24.75%) Azure Data Factory
4 20 (19.80%) Power Platform
5 16 (15.84%) Amazon S3
5 16 (15.84%) AWS
6 10 (9.90%) Amazon EMR
7 9 (8.91%) Azure Functions
7 9 (8.91%) Data Lake Analytics
8 7 (6.93%) AWS Lambda
8 7 (6.93%) Office 365
9 4 (3.96%) Dynamics 365
9 4 (3.96%) GCP
10 3 (2.97%) Azure Active Directory
10 3 (2.97%) Cloud Computing
10 3 (2.97%) IaaS
11 2 (1.98%) Amazon CloudWatch
11 2 (1.98%) Amazon Kinesis
11 2 (1.98%) AWS CloudFormation
11 2 (1.98%) GitHub
Communications & Networking
1 1 (0.99%) Kerberos
Database & Business Intelligence
1 34 (33.66%) Data Warehouse
2 29 (28.71%) Big Data
3 28 (27.72%) Azure SQL Database
4 24 (23.76%) Cosmos DB
5 22 (21.78%) Redis
6 20 (19.80%) Power BI
7 18 (17.82%) Hadoop
8 17 (16.83%) SQL Server
9 14 (13.86%) Azure SQL Data Warehouse
10 12 (11.88%) SQL Server Integration Services
11 9 (8.91%) NoSQL
11 9 (8.91%) SQL Server Analysis Services
12 8 (7.92%) Apache Hive
12 8 (7.92%) SQL Server Reporting Services
13 6 (5.94%) Impala
14 5 (4.95%) Amazon Redshift
14 5 (4.95%) Microsoft Analysis Services
14 5 (4.95%) MongoDB
14 5 (4.95%) MySQL
15 4 (3.96%) Data Mart
Development Applications
1 10 (9.90%) Git (software)
2 7 (6.93%) Visual Studio Team System
3 5 (4.95%) JIRA
4 4 (3.96%) Cucumber
4 4 (3.96%) Jenkins
5 3 (2.97%) Atlassian Bamboo
5 3 (2.97%) SpecFlow
5 3 (2.97%) TeamCity
5 3 (2.97%) Visual Studio
6 2 (1.98%) Octopus Deploy
6 2 (1.98%) Team Foundation Server
6 2 (1.98%) tSQLt
7 1 (0.99%) Concordion
7 1 (0.99%) EasyMock
7 1 (0.99%) Hudson
7 1 (0.99%) Mocha
7 1 (0.99%) Mockito
7 1 (0.99%) NUnit
7 1 (0.99%) Selenium
7 1 (0.99%) Spock
General
1 23 (22.77%) Finance
2 7 (6.93%) Advertising
3 6 (5.94%) Retail
4 3 (2.97%) Banking
4 3 (2.97%) Marketing
5 1 (0.99%) Environmental Health
5 1 (0.99%) Front Office
Job Titles
1 19 (18.81%) Data Engineer
2 18 (17.82%) Architect
3 17 (16.83%) Developer
4 16 (15.84%) Data Architect
5 13 (12.87%) Azure Engineer
6 7 (6.93%) Azure Architect
6 7 (6.93%) Senior Developer
7 5 (4.95%) Azure Developer
7 5 (4.95%) Senior Architect
7 5 (4.95%) Senior Data Architect
8 4 (3.96%) Azure DevOps
8 4 (3.96%) Big Data Architect
8 4 (3.96%) Big Data Engineer
8 4 (3.96%) C# Developer
8 4 (3.96%) CRM Developer
8 4 (3.96%) Dynamics CRM Developer
9 3 (2.97%) Analyst
9 3 (2.97%) Data Warehouse Architect
9 3 (2.97%) Senior C# Developer
9 3 (2.97%) Technical Leader
Libraries, Frameworks & Software Standards
1 36 (35.64%) .NET
2 20 (19.80%) .NET Core
3 16 (15.84%) AngularJS
4 8 (7.92%) Kafka
5 7 (6.93%) JSON
5 7 (6.93%) Web Services
6 6 (5.94%) XML
7 4 (3.96%) REST
8 3 (2.97%) LAMP
8 3 (2.97%) Velocity
9 2 (1.98%) .NET Framework
9 2 (1.98%) Angular 2
9 2 (1.98%) Flask
9 2 (1.98%) Gherkin
9 2 (1.98%) MDX
9 2 (1.98%) Spring
10 1 (0.99%) Apache Avro
10 1 (0.99%) React
10 1 (0.99%) Spring Boot
10 1 (0.99%) YAML
Miscellaneous
1 21 (20.79%) Greenfield Project
2 13 (12.87%) Analytical Skills
3 4 (3.96%) Data Structures
3 4 (3.96%) User Experience
4 3 (2.97%) Algorithms
4 3 (2.97%) Cloud Native
5 2 (1.98%) Linux Command Line
6 1 (0.99%) Data Centre
6 1 (0.99%) Hybrid Cloud
6 1 (0.99%) Public Cloud
6 1 (0.99%) Reference Data
6 1 (0.99%) SCADA
Operating Systems
1 5 (4.95%) Linux
2 3 (2.97%) Unix
3 2 (1.98%) Windows
4 1 (0.99%) CentOS
Processes & Methodologies
1 31 (30.69%) Agile Software Development
2 30 (29.70%) Microservices
3 25 (24.75%) Business Intelligence
4 22 (21.78%) Data Modelling
4 22 (21.78%) TDD
5 19 (18.81%) Analytics
6 18 (17.82%) ETL
7 16 (15.84%) Migration
8 14 (13.86%) DevOps
8 14 (13.86%) Fintech
9 13 (12.87%) Data Architecture
10 12 (11.88%) Data Science
10 12 (11.88%) Problem-Solving
11 11 (10.89%) Data Integration
12 10 (9.90%) Test Automation
13 9 (8.91%) Continuous Integration
13 9 (8.91%) Data Management
13 9 (8.91%) Scrum
14 8 (7.92%) Dimensional Modelling
15 7 (6.93%) Machine Learning
Programming Languages
1 53 (52.48%) SQL
2 43 (42.57%) C#
3 22 (21.78%) Python
4 14 (13.86%) Java
5 6 (5.94%) PowerShell
5 6 (5.94%) T-SQL
6 5 (4.95%) Scala
7 4 (3.96%) Shell Script
7 4 (3.96%) U-SQL
8 2 (1.98%) Bash Shell
8 2 (1.98%) Data Analysis Expressions (DAX)
8 2 (1.98%) JavaScript
9 1 (0.99%) C
9 1 (0.99%) Java 8
Qualifications
1 2 (1.98%) Degree
2 1 (0.99%) Master's Degree
Quality Assurance & Compliance
1 6 (5.94%) Data Quality
2 4 (3.96%) GDPR
3 1 (0.99%) QA
System Software
1 24 (23.76%) Docker
2 8 (7.92%) HDFS
3 3 (2.97%) Apache Flume
3 3 (2.97%) Virtual Machines
4 2 (1.98%) Active Directory
4 2 (1.98%) NFS
5 1 (0.99%) Samba
5 1 (0.99%) VMware ESXi
5 1 (0.99%) VMware Infrastructure
Systems Management
1 22 (21.78%) Kubernetes
2 6 (5.94%) Hadoop YARN
3 2 (1.98%) Ansible
3 2 (1.98%) Terraform
4 1 (0.99%) Ambari
4 1 (0.99%) Microsoft Intune
4 1 (0.99%) Puppet
4 1 (0.99%) SCCM
Vendors
1 30 (29.70%) Microsoft
2 11 (10.89%) Databricks
3 7 (6.93%) Cloudera
4 6 (5.94%) Tableau
5 4 (3.96%) Informatica
5 4 (3.96%) Oracle
6 3 (2.97%) Google
6 3 (2.97%) Talend
6 3 (2.97%) Teradata
7 2 (1.98%) Alteryx
7 2 (1.98%) IBM
7 2 (1.98%) MuleSoft
7 2 (1.98%) NetApp
8 1 (0.99%) Ab Initio
8 1 (0.99%) Atlassian
8 1 (0.99%) Hortonworks
8 1 (0.99%) Red Hat
8 1 (0.99%) SAP
8 1 (0.99%) Spotify
8 1 (0.99%) VMware