Period
to 26 September 2020

The following table provides summary statistics for contract job vacancies with a requirement for Spark SQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Spark SQL over the 6 months to 26 September 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.

Apache Spark SQL
UK
6 months to
26 Sep 2020
Same period 2019 Same period 2018
Rank 483 754 886
Rank change year-on-year +271 +132 -14
Contract jobs citing Spark SQL 20 81 23
As % of all contract jobs advertised in the UK 0.068% 0.092% 0.022%
As % of the Database & Business Intelligence category 0.30% 0.43% 0.098%
Number of daily rates quoted 14 67 11
Median daily rate £450 £600 £460
Median daily rate % change year-on-year -25.00% +30.43% -23.33%
10th Percentile £413 £448 £406
90th Percentile £540 £727 £688
UK excluding London median daily rate £425 £475 £432
% change year-on-year -10.53% +10.02% -38.32%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Spark SQL 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 6,605 19,054 23,363
As % of all contract IT jobs advertised in the UK 22.42% 21.66% 22.73%
Number of daily rates quoted 4,279 12,940 16,380
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% - +5.56%
10th Percentile £313 £325 £313
90th Percentile £675 £650 £638
UK excluding London median daily rate £450 £433 £425
% change year-on-year +4.05% +1.76% +6.25%
Number of hourly rates quoted 144 262 236
Median hourly rate £35.00 £35.00 £27.62
Median hourly rate % change year-on-year - +26.74% -6.58%
10th Percentile £14.00 £12.64 £13.38
90th Percentile £48.53 £60.00 £56.00
Median hourly rate £26.00 £35.00 £26.00
% change year-on-year -25.71% +34.62% -16.13%

Spark SQL
Job Vacancy Trend

Job postings citing Spark SQL as a proportion of all IT jobs advertised.

Job vacancy trend for Spark SQL in the UK

Spark SQL
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Spark SQL.

Daily rate trend for Spark SQL in the UK

Spark SQL
Daily Rate Histogram

Daily rate distribution for jobs citing Spark SQL over the 6 months to 26 September 2020.

Daily rate histogram for Spark SQL in the UK

Spark SQL
Top 8 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Spark SQL within the UK over the 6 months to 26 September 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 +279 20 £450 -33.33% 4
London +185 16 £475 -28.30%
UK excluding London +266 4 £425 -10.53% 7
North of England +131 2 £425 -
North West +82 2 £425 -
East Midlands - 2 - - 3
Midlands - 2 - - 4
Work from Home -69 1 £540 -22.86%

For the 6 months to 26 September 2020, IT contractor jobs citing Spark SQL 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 Spark SQL.

1 20 (100.00%) SQL
1 20 (100.00%) Python
1 20 (100.00%) Apache Spark
2 15 (75.00%) Big Data
3 13 (65.00%) Hadoop
3 13 (65.00%) Analytics
4 12 (60.00%) Visualisation
4 12 (60.00%) Data Visualisation
4 12 (60.00%) Teradata
5 11 (55.00%) Agile Software Development
5 11 (55.00%) Finance
6 10 (50.00%) E-Commerce
6 10 (50.00%) Tableau
6 10 (50.00%) Data Analytics
7 6 (30.00%) Legal
8 5 (25.00%) Data Analysis
8 5 (25.00%) Scala
8 5 (25.00%) Algorithms
9 4 (20.00%) Logical Data Model
9 4 (20.00%) SAP
9 4 (20.00%) Data Modelling
9 4 (20.00%) ETL
9 4 (20.00%) Business Intelligence
10 3 (15.00%) Microsoft
10 3 (15.00%) Azure
10 3 (15.00%) PySpark
10 3 (15.00%) Relational Database
10 3 (15.00%) Databricks
10 3 (15.00%) Azure Data Factory
11 2 (10.00%) U-SQL

Spark SQL
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 20 (100.00%) Apache Spark
2 2 (10.00%) Apache
3 1 (5.00%) Apache Airflow
3 1 (5.00%) Luigi
Cloud Services
1 3 (15.00%) Azure
1 3 (15.00%) Azure Data Factory
2 2 (10.00%) AWS
2 2 (10.00%) Power Platform
2 2 (10.00%) PowerApps
3 1 (5.00%) Azure Functions
3 1 (5.00%) Serverless
Database & Business Intelligence
1 15 (75.00%) Big Data
2 13 (65.00%) Hadoop
3 3 (15.00%) Relational Database
4 2 (10.00%) Apache Hive
4 2 (10.00%) Azure SQL Database
4 2 (10.00%) Data Lake
4 2 (10.00%) HBase
4 2 (10.00%) Impala
4 2 (10.00%) Oracle Database
4 2 (10.00%) PolyBase
4 2 (10.00%) Power BI
4 2 (10.00%) QlikView
4 2 (10.00%) RDBMS
4 2 (10.00%) SAP Data Services
4 2 (10.00%) SQL Server Analysis Services
4 2 (10.00%) SQL Server Integration Services
5 1 (5.00%) Apache Cassandra
5 1 (5.00%) Microsoft Analysis Services
5 1 (5.00%) NoSQL
5 1 (5.00%) PostgreSQL
General
1 11 (55.00%) Finance
2 6 (30.00%) Legal
3 2 (10.00%) Banking
3 2 (10.00%) Electronics
3 2 (10.00%) Manufacturing
3 2 (10.00%) Marketing
3 2 (10.00%) Public Sector
3 2 (10.00%) Telecoms
Job Titles
1 8 (40.00%) Developer
2 7 (35.00%) Data Engineer
3 5 (25.00%) Automation Engineer
3 5 (25.00%) Process Engineer
4 3 (15.00%) Analytics Consultant
4 3 (15.00%) Consultant
4 3 (15.00%) Data Analytics Consultant
4 3 (15.00%) Data Consultant
5 2 (10.00%) Ab Initio Developer
5 2 (10.00%) Apache Spark Developer
5 2 (10.00%) Business Intelligence Developer
5 2 (10.00%) Python Developer
5 2 (10.00%) Python Engineer
6 1 (5.00%) Azure Engineer
6 1 (5.00%) Data Analytics Engineer
6 1 (5.00%) E-Commerce Consultant
6 1 (5.00%) ETL Developer
6 1 (5.00%) Senior Consultant
6 1 (5.00%) Senior Data Analytics Consultant
6 1 (5.00%) Teradata Consultant
Libraries, Frameworks & Software Standards
1 3 (15.00%) PySpark
2 1 (5.00%) Kafka
Miscellaneous
1 5 (25.00%) Algorithms
2 2 (10.00%) Analytical Skills
2 2 (10.00%) Credit Risk
3 1 (5.00%) Data Structures
Operating Systems
1 2 (10.00%) Debian
1 2 (10.00%) Linux
Processes & Methodologies
1 13 (65.00%) Analytics
2 12 (60.00%) Data Visualisation
2 12 (60.00%) Visualisation
3 11 (55.00%) Agile Software Development
4 10 (50.00%) Data Analytics
4 10 (50.00%) E-Commerce
5 5 (25.00%) Data Analysis
6 4 (20.00%) Business Intelligence
6 4 (20.00%) Data Modelling
6 4 (20.00%) ETL
6 4 (20.00%) Logical Data Model
7 2 (10.00%) Data Governance
7 2 (10.00%) Data Reconciliation
7 2 (10.00%) Deployment Automation
7 2 (10.00%) DevOps
7 2 (10.00%) ETL Development
7 2 (10.00%) Kimball Methodology
7 2 (10.00%) Physical Data Model
7 2 (10.00%) Problem-Solving
7 2 (10.00%) Task Automation
Programming Languages
1 20 (100.00%) Python
1 20 (100.00%) SQL
2 5 (25.00%) Scala
3 2 (10.00%) C#
3 2 (10.00%) Java
3 2 (10.00%) U-SQL
Quality Assurance & Compliance
1 2 (10.00%) Data Quality
1 2 (10.00%) Sarbanes-Oxley
System Software
1 2 (10.00%) Apache ZooKeeper
1 2 (10.00%) Docker
1 2 (10.00%) HDFS
Systems Management
1 2 (10.00%) Hadoop YARN
1 2 (10.00%) Kubernetes
Vendors
1 12 (60.00%) Teradata
2 10 (50.00%) Tableau
3 4 (20.00%) SAP
4 3 (15.00%) Databricks
4 3 (15.00%) Microsoft
5 2 (10.00%) Ab Initio
5 2 (10.00%) Alteryx
5 2 (10.00%) Cloudera
5 2 (10.00%) Oracle