Period
to 15 August 2020

The following table provides summary statistics for contract job vacancies with a requirement for Snowflake Schema skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Snowflake Schema over the 6 months to 15 August 2020 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.

Snowflake Schema
UK
6 months to
15 Aug 2020
Same period 2019 Same period 2018
Rank 476 769 860
Rank change year-on-year +293 +91 -13
Contract jobs citing Snowflake Schema 58 75 37
As % of all contract jobs advertised in the UK 0.17% 0.083% 0.036%
As % of the Database & Business Intelligence category 0.79% 0.38% 0.16%
Number of daily rates quoted 42 64 28
Median daily rate £471 £525 £456
Median daily rate % change year-on-year -10.24% +15.07% +1.39%
10th Percentile £259 £328 £333
90th Percentile £613 £588 £575
UK excluding London median daily rate £468 £425 £363
% change year-on-year +10.00% +17.24% -9.38%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Snowflake Schema 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 with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 7,365 19,885 23,320
As % of all contract IT jobs advertised in the UK 21.60% 21.95% 22.78%
Number of daily rates quoted 4,771 13,603 16,285
Median daily rate £500 £475 £463
Median daily rate % change year-on-year +5.26% +2.70% +2.78%
10th Percentile £325 £325 £313
90th Percentile £688 £650 £638
UK excluding London median daily rate £450 £432 £418
% change year-on-year +4.29% +3.35% +4.38%
Number of hourly rates quoted 156 264 236
Median hourly rate £35.00 £35.00 £30.00
Median hourly rate % change year-on-year - +16.67% -4.76%
10th Percentile £14.56 £14.29 £13.38
90th Percentile £53.88 £60.00 £53.13
Median hourly rate £35.00 £35.00 £32.00
% change year-on-year - +9.38% -5.88%

Snowflake Schema
Job Vacancy Trend

Job postings citing Snowflake Schema as a proportion of all IT jobs advertised.

Job vacancy trend for Snowflake Schema in the UK

Snowflake Schema
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Snowflake Schema.

Daily rate trend for Snowflake Schema in the UK

Snowflake Schema
Daily Rate Histogram

Daily rate distribution for jobs citing Snowflake Schema over the 6 months to 15 August 2020.

Daily rate histogram for Snowflake Schema in the UK

Snowflake Schema
Top 12 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Snowflake Schema within the UK over the 6 months to 15 August 2020. 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
England +282 56 £494 -5.95% 9
London +191 32 £525 -4.55% 8
UK excluding London +241 23 £468 +10.00% 5
South East +168 8 £488 +2.63% 1
East of England - 8 £400 -
Work from Home -21 6 £313 +25.00% 1
Midlands +106 4 £450 -
West Midlands - 3 £500 -
North of England +102 2 - -
Yorkshire +77 2 - -
East Midlands +63 1 £400 -
South West - 1 £400 -

For the 6 months to 15 August 2020, IT contractor jobs citing Snowflake Schema 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 with a requirement for Snowflake Schema.

1 53 (91.38%) Data Warehouse
2 41 (70.69%) SQL
3 40 (68.97%) Business Intelligence
4 31 (53.45%) ETL
5 29 (50.00%) Analytics
6 27 (46.55%) Azure
7 26 (44.83%) Data Modelling
8 25 (43.10%) AWS
9 21 (36.21%) Python
10 20 (34.48%) Amazon Redshift
11 17 (29.31%) Data Architecture
12 16 (27.59%) Relational Database
12 16 (27.59%) Agile Software Development
13 14 (24.14%) Data Science
14 12 (20.69%) Power Platform
14 12 (20.69%) GCP
14 12 (20.69%) Power BI
15 11 (18.97%) Kimball Methodology
15 11 (18.97%) Google
15 11 (18.97%) PL/SQL
16 10 (17.24%) SQL Server
16 10 (17.24%) ETL Development
16 10 (17.24%) Data Quality
17 9 (15.52%) Tableau
17 9 (15.52%) Talend
17 9 (15.52%) DevOps
17 9 (15.52%) Analytical Skills
17 9 (15.52%) JSON
18 8 (13.79%) Scrum
18 8 (13.79%) RDBMS

Snowflake Schema
Co-occurring IT Skills 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 5 (8.62%) Apache Spark
2 4 (6.90%) Confluence
3 3 (5.17%) Elasticsearch
4 1 (1.72%) Apache Airflow
4 1 (1.72%) SAS
Applications
1 1 (1.72%) Chatbot
1 1 (1.72%) Microsoft Excel
1 1 (1.72%) Microsoft Office
1 1 (1.72%) Microsoft PowerPoint
1 1 (1.72%) SPSS
Business Applications
1 2 (3.45%) Dynamics CRM
Cloud Services
1 27 (46.55%) Azure
2 25 (43.10%) AWS
3 12 (20.69%) GCP
3 12 (20.69%) Power Platform
4 6 (10.34%) Amazon S3
4 6 (10.34%) Azure Data Factory
5 5 (8.62%) Amazon EMR
6 4 (6.90%) Datadog
7 2 (3.45%) Azure Active Directory
7 2 (3.45%) Oracle Service Cloud
8 1 (1.72%) Amazon EC2
8 1 (1.72%) Amazon Kinesis
8 1 (1.72%) Amazon SQS
8 1 (1.72%) Data Lake Analytics
8 1 (1.72%) GitHub
8 1 (1.72%) Heroku
8 1 (1.72%) SaaS
Communications & Networking
1 2 (3.45%) DNS
1 2 (3.45%) Firewall
Database & Business Intelligence
1 53 (91.38%) Data Warehouse
2 20 (34.48%) Amazon Redshift
3 16 (27.59%) Relational Database
4 12 (20.69%) Power BI
5 10 (17.24%) SQL Server
6 8 (13.79%) Azure SQL Data Warehouse
6 8 (13.79%) NoSQL
6 8 (13.79%) RDBMS
7 7 (12.07%) Azure SQL Database
7 7 (12.07%) Big Data
8 6 (10.34%) Data Lake
8 6 (10.34%) Looker
8 6 (10.34%) MongoDB
9 5 (8.62%) BigQuery
10 4 (6.90%) Amazon DynamoDB
10 4 (6.90%) Apache Cassandra
10 4 (6.90%) CouchDB
10 4 (6.90%) OLAP
10 4 (6.90%) SQL Server Integration Services
10 4 (6.90%) SQL Server Reporting Services
Development Applications
1 8 (13.79%) Git (software)
2 5 (8.62%) JIRA
2 5 (8.62%) JUnit
3 4 (6.90%) NUnit
4 2 (3.45%) Jenkins
5 1 (1.72%) ERwin
5 1 (1.72%) HP UFT
5 1 (1.72%) Maven
5 1 (1.72%) PowerDesigner
5 1 (1.72%) ProC
5 1 (1.72%) Sonatype Nexus
5 1 (1.72%) SQL Server Management Studio (SSMS)
5 1 (1.72%) Subversion
5 1 (1.72%) Team Foundation Server
5 1 (1.72%) Toad
5 1 (1.72%) Visual Studio
General
1 7 (12.07%) Finance
2 4 (6.90%) Marketing
3 3 (5.17%) Pharmaceutical
3 3 (5.17%) Public Sector
4 2 (3.45%) Automotive
4 2 (3.45%) Electronics
4 2 (3.45%) Manufacturing
4 2 (3.45%) Retail
4 2 (3.45%) Telecoms
5 1 (1.72%) Games
Job Titles
1 19 (32.76%) Architect
2 16 (27.59%) Data Engineer
3 15 (25.86%) Data Architect
4 9 (15.52%) Developer
5 6 (10.34%) Redshift Architect
6 4 (6.90%) SQL Developer
7 3 (5.17%) AWS Engineer
7 3 (5.17%) Data Warehouse Developer
7 3 (5.17%) ETL Developer
7 3 (5.17%) Exchange Architect
7 3 (5.17%) Project Manager
8 2 (3.45%) Business Intelligence Developer
8 2 (3.45%) Data Warehouse Manager
8 2 (3.45%) Data Warehouse Project Manager
8 2 (3.45%) DevOps Engineer
8 2 (3.45%) Enterprise Data Architect
8 2 (3.45%) Implementation Project Manager
8 2 (3.45%) PL/SQL Developer
8 2 (3.45%) PostgreSQL Developer
8 2 (3.45%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 9 (15.52%) JSON
2 8 (13.79%) Kafka
3 3 (5.17%) XML
4 2 (3.45%) MDX
4 2 (3.45%) REST
4 2 (3.45%) YAML
5 1 (1.72%) CSS
5 1 (1.72%) DHTML
5 1 (1.72%) FIX Protocol
5 1 (1.72%) HTML
5 1 (1.72%) Matplotlib
5 1 (1.72%) NumPy
5 1 (1.72%) Pandas
5 1 (1.72%) SciPy
5 1 (1.72%) Seaborn
5 1 (1.72%) Web Services
Miscellaneous
1 9 (15.52%) Analytical Skills
2 5 (8.62%) Greenfield Project
3 4 (6.90%) Reference Data
4 3 (5.17%) Management Information System
5 2 (3.45%) Public Cloud
5 2 (3.45%) Social Media
6 1 (1.72%) Credit Risk
6 1 (1.72%) Data Structures
6 1 (1.72%) FMCG
6 1 (1.72%) Foreign Exchange (FX)
6 1 (1.72%) Self-Motivation
6 1 (1.72%) Taxonomies
Operating Systems
1 2 (3.45%) Linux
2 1 (1.72%) Unix
2 1 (1.72%) Windows
Processes & Methodologies
1 40 (68.97%) Business Intelligence
2 31 (53.45%) ETL
3 29 (50.00%) Analytics
4 26 (44.83%) Data Modelling
5 17 (29.31%) Data Architecture
6 16 (27.59%) Agile Software Development
7 14 (24.14%) Data Science
8 11 (18.97%) Kimball Methodology
9 10 (17.24%) ETL Development
10 9 (15.52%) DevOps
11 8 (13.79%) Data Governance
11 8 (13.79%) Machine Learning
11 8 (13.79%) Microservices
11 8 (13.79%) Performance Tuning
11 8 (13.79%) Scrum
12 6 (10.34%) Domain Models
12 6 (10.34%) Mathematics
12 6 (10.34%) Migration
12 6 (10.34%) Stakeholder Management
13 5 (8.62%) Requirements Gathering
Programming Languages
1 41 (70.69%) SQL
2 21 (36.21%) Python
3 11 (18.97%) PL/SQL
4 5 (8.62%) T-SQL
5 4 (6.90%) Java
6 2 (3.45%) Bash Shell
6 2 (3.45%) C#
6 2 (3.45%) C++
6 2 (3.45%) Data Analysis Expressions (DAX)
6 2 (3.45%) Go
6 2 (3.45%) PowerShell
7 1 (1.72%) C
7 1 (1.72%) JavaScript
7 1 (1.72%) PHP
7 1 (1.72%) PROC SQL
7 1 (1.72%) R
7 1 (1.72%) Scala
7 1 (1.72%) Shell Script
7 1 (1.72%) VB
7 1 (1.72%) VBA
Qualifications
1 8 (13.79%) Degree
2 3 (5.17%) Computer Science Degree
3 2 (3.45%) AWS Certification
3 2 (3.45%) TOGAF Certification
4 1 (1.72%) Master's Degree
Quality Assurance & Compliance
1 10 (17.24%) Data Quality
2 4 (6.90%) QA
System Software
1 2 (3.45%) Active Directory
2 1 (1.72%) Virtual Machines
Systems Management
1 1 (1.72%) HP Quality Center
1 1 (1.72%) Kubernetes
Vendors
1 11 (18.97%) Google
2 9 (15.52%) Tableau
2 9 (15.52%) Talend
3 7 (12.07%) Oracle
4 6 (10.34%) Microsoft
5 4 (6.90%) Informatica
5 4 (6.90%) SAP
6 3 (5.17%) MicroStrategy
7 2 (3.45%) Confirmit
7 2 (3.45%) MuleSoft
7 2 (3.45%) Salesforce.com
7 2 (3.45%) Teradata
7 2 (3.45%) Vertica
8 1 (1.72%) HP