Period
to 21 June 2018

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 21 June 2018 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
21 Jun 2018
Same period 2017 Same period 2016
Rank 864 829 893
Rank change year-on-year -35 +64 -31
Contract jobs citing Spark SQL 15 17 6
As % of all contract IT jobs advertised in the UK 0.015% 0.019% 0.006%
As % of the Database & Business Intelligence category 0.067% 0.083% 0.026%
Number of daily rates quoted 13 8 3
UK median daily rate £450 £475 £500
Median daily rate % change year-on-year -5.26% -5.00% -
UK excluding London median daily rate - £350 -
Number of hourly rates quoted 0 0 0
UK 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 22,553 20,605 23,483
As % of all contract IT jobs advertised in the UK 22.54% 22.60% 22.01%
Number of daily rates quoted 15,702 13,719 15,840
UK median daily rate £463 £440 £425
Median daily rate % change year-on-year +5.11% +3.53% +6.25%
10th Percentile £313 £300 £281
90th Percentile £631 £613 £600
UK excluding London median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +3.45%
Number of hourly rates quoted 232 267 387
UK median hourly rate £35.00 £29.00 £31.00
Median hourly rate % change year-on-year +20.69% -6.45% +19.23%
10th Percentile £14.00 £9.32 £12.00
90th Percentile £54.88 £52.17 £53.60
UK excluding London median hourly rate £35.00 £27.50 £31.14
% change year-on-year +27.27% -11.67% +22.92%

Spark SQL
Job Vacancy Trend

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

Job vacancy trend for Spark SQL in the UK

Spark SQL
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Spark SQL.

Contractor daily rate trend for Spark SQL in the UK

Spark SQL
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Spark SQL over the 6 months to 21 June 2018.

Contractor daily rate histogram for Spark SQL in the UK

Spark SQL
Top 2 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 21 June 2018. 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 -35 15 £450 -10.00% 1
England -52 15 £450 -5.26% 3

For the 6 months to 21 June 2018, 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 15 (100.00%) Apache Spark
2 13 (86.67%) SQL
3 12 (80.00%) Python
4 11 (73.33%) Java
4 11 (73.33%) Agile Software Development
4 11 (73.33%) Kafka
5 10 (66.67%) Scala
5 10 (66.67%) Amazon AWS
5 10 (66.67%) Google
5 10 (66.67%) Spark Streaming
5 10 (66.67%) Google Cloud Platform
6 9 (60.00%) Apache Airflow
6 9 (60.00%) Business Intelligence
6 9 (60.00%) Oracle
6 9 (60.00%) Data Warehouse
6 9 (60.00%) Unix
6 9 (60.00%) JIRA
6 9 (60.00%) Amazon EMR
6 9 (60.00%) DevOps
7 8 (53.33%) Oozie
7 8 (53.33%) Oracle Database 12c
7 8 (53.33%) Oracle Database
7 8 (53.33%) Oracle APEX
7 8 (53.33%) Oracle Database 11g
7 8 (53.33%) Telecoms
7 8 (53.33%) GCP
7 8 (53.33%) Shell Script
8 6 (40.00%) Big Data
9 4 (26.67%) Finance
9 4 (26.67%) Hadoop

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 15 (100.00%) Apache Spark
2 9 (60.00%) Apache Airflow
3 3 (20.00%) Apache
4 2 (13.33%) Elasticsearch
5 1 (6.67%) Apache Pig
5 1 (6.67%) Gunicorn
5 1 (6.67%) Jupyter
5 1 (6.67%) nginx
5 1 (6.67%) SAS
Cloud Services
1 10 (66.67%) Amazon AWS
1 10 (66.67%) Google Cloud Platform
2 9 (60.00%) Amazon EMR
3 2 (13.33%) Amazon S3
4 1 (6.67%) Amazon EC2
4 1 (6.67%) Azure Data Factory
4 1 (6.67%) GitHub
4 1 (6.67%) Microsoft Azure
4 1 (6.67%) Virtual Private Cloud
Communications & Networking
1 1 (6.67%) SNA
1 1 (6.67%) SSH
Database & Business Intelligence
1 9 (60.00%) Data Warehouse
2 8 (53.33%) Oracle Database
2 8 (53.33%) Oracle Database 11g
2 8 (53.33%) Oracle Database 12c
3 6 (40.00%) Big Data
4 4 (26.67%) Hadoop
5 3 (20.00%) Apache Hive
5 3 (20.00%) NoSQL
5 3 (20.00%) Relational Database
6 2 (13.33%) Amazon RDS
6 2 (13.33%) Apache Cassandra
6 2 (13.33%) HBase
6 2 (13.33%) RDBMS
6 2 (13.33%) Sqoop
7 1 (6.67%) CouchDB
7 1 (6.67%) MongoDB
7 1 (6.67%) MySQL
7 1 (6.67%) Neo4j
7 1 (6.67%) SQL Server
7 1 (6.67%) SQL Server Integration Services
Development Applications
1 9 (60.00%) JIRA
2 8 (53.33%) Oracle APEX
3 1 (6.67%) Appium
3 1 (6.67%) Cucumber
3 1 (6.67%) Git (software)
3 1 (6.67%) Jenkins
3 1 (6.67%) Selenium
General
1 8 (53.33%) Telecoms
2 4 (26.67%) Finance
3 2 (13.33%) Banking
4 1 (6.67%) Publishing
4 1 (6.67%) Retail
4 1 (6.67%) Retail Banking
Job Titles
1 10 (66.67%) Developer
2 8 (53.33%) Apache Spark Developer
2 8 (53.33%) Business Developer
2 8 (53.33%) Business Intelligence Developer
2 8 (53.33%) Python Developer
3 2 (13.33%) Big Data Developer
3 2 (13.33%) Data Engineer
4 1 (6.67%) Architect
4 1 (6.67%) AWS Engineer
4 1 (6.67%) Azure Engineer
4 1 (6.67%) Big Data Consultant
4 1 (6.67%) Cassandra DBA
4 1 (6.67%) Consultant
4 1 (6.67%) Data Architect
4 1 (6.67%) Data Consultant
4 1 (6.67%) DBA
4 1 (6.67%) Hadoop Engineer
4 1 (6.67%) Scala Developer
4 1 (6.67%) SQL DBA
4 1 (6.67%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 11 (73.33%) Kafka
2 10 (66.67%) Spark Streaming
3 2 (13.33%) Apache Thrift
3 2 (13.33%) RESTful
4 1 (6.67%) AngularJS
4 1 (6.67%) Apache Avro
4 1 (6.67%) D3.js
4 1 (6.67%) Elastic Stack
4 1 (6.67%) Flask
4 1 (6.67%) GraphX
4 1 (6.67%) HTML
4 1 (6.67%) HTML5
4 1 (6.67%) Lucene
4 1 (6.67%) MLlib
4 1 (6.67%) Natural Language Processing
4 1 (6.67%) Pandas
4 1 (6.67%) Protocol Buffers
4 1 (6.67%) Swagger
4 1 (6.67%) XML
4 1 (6.67%) XSD
Miscellaneous
1 1 (6.67%) Algorithms
1 1 (6.67%) Analytical Skills
1 1 (6.67%) Data Structures
1 1 (6.67%) Reference Data
1 1 (6.67%) Social Network
1 1 (6.67%) Taxonomies
Operating Systems
1 9 (60.00%) Unix
2 2 (13.33%) Linux
Processes & Methodologies
1 11 (73.33%) Agile Software Development
2 9 (60.00%) Business Intelligence
2 9 (60.00%) DevOps
3 4 (26.67%) Analytics
4 3 (20.00%) Data Modelling
5 2 (13.33%) Data Analytics
5 2 (13.33%) ETL
5 2 (13.33%) Machine Learning
5 2 (13.33%) Open Source
5 2 (13.33%) Problem-Solving
5 2 (13.33%) Scrum
6 1 (6.67%) Actionable Insight
6 1 (6.67%) Data Engineering
6 1 (6.67%) Data Science
6 1 (6.67%) Data Strategy
6 1 (6.67%) Deployment Automation
6 1 (6.67%) Due Diligence
6 1 (6.67%) MapReduce
6 1 (6.67%) Parallel Processing
6 1 (6.67%) Workload Management
Programming Languages
1 13 (86.67%) SQL
2 12 (80.00%) Python
3 11 (73.33%) Java
4 10 (66.67%) Scala
5 8 (53.33%) Shell Script
6 1 (6.67%) Bash Shell
6 1 (6.67%) Perl
6 1 (6.67%) PowerShell
6 1 (6.67%) R
6 1 (6.67%) Ruby
Quality Assurance & Compliance
1 8 (53.33%) GCP
2 1 (6.67%) Data Quality
2 1 (6.67%) GDPR
2 1 (6.67%) PSD2
2 1 (6.67%) QA
System Software
1 1 (6.67%) Apache Flume
Systems Management
1 8 (53.33%) Oozie
2 2 (13.33%) Ansible
3 1 (6.67%) Hadoop YARN
3 1 (6.67%) Kibana
3 1 (6.67%) logstash
3 1 (6.67%) Packer
3 1 (6.67%) Terraform
Vendors
1 10 (66.67%) Google
2 9 (60.00%) Oracle
3 1 (6.67%) Capita
3 1 (6.67%) Microsoft
3 1 (6.67%) Palantir
3 1 (6.67%) Red Hat
3 1 (6.67%) Tableau