Period
to 21 September 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 September 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 Sep 2018
Same period 2017 Same period 2016
Rank 864 835 881
Rank change year-on-year -29 +46 +17
Contract jobs citing Spark SQL 24 24 20
As % of all contract IT jobs advertised in the UK 0.023% 0.024% 0.019%
As % of the Database & Business Intelligence category 0.10% 0.11% 0.083%
Number of daily rates quoted 12 8 13
UK median daily rate £455 £600 £588
Median daily rate % change year-on-year -24.17% +2.13% +6.82%
10th Percentile £407 £436 £463
90th Percentile £688 £683 £650
UK excluding London median daily rate £432 £700 £588
% change year-on-year -38.32% +19.15% -
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 23,378 22,161 23,963
As % of all contract IT jobs advertised in the UK 22.75% 22.43% 22.27%
Number of daily rates quoted 16,376 14,787 16,068
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £313 £305 £281
90th Percentile £638 £625 £599
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 240 276 389
UK median hourly rate £27.87 £29.50 £29.88
Median hourly rate % change year-on-year -5.54% -1.27% +4.84%
10th Percentile £13.25 £12.19 £11.25
90th Percentile £56.00 £53.75 £48.75
UK excluding London median hourly rate £28.00 £30.00 £28.50
% change year-on-year -6.67% +5.26% -3.39%

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 September 2018.

Contractor daily rate histogram for Spark SQL in the UK

Spark SQL
Top 5 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 September 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
England -38 21 £575 -
London -10 19 £600 +4.35%
UK excluding London -17 5 £432 -38.32%
Northern Ireland - 3 £434 -
South East -13 2 £325 -

For the 6 months to 21 September 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 24 (100.00%) Apache Spark
2 21 (87.50%) SQL
3 17 (70.83%) Python
3 17 (70.83%) Big Data
4 16 (66.67%) Apache Hive
4 16 (66.67%) Hadoop
5 15 (62.50%) Java
6 14 (58.33%) Scala
6 14 (58.33%) Kafka
7 12 (50.00%) Elasticsearch
7 12 (50.00%) Agile Software Development
7 12 (50.00%) JIRA
8 11 (45.83%) ETL
8 11 (45.83%) Unix
8 11 (45.83%) Linux
8 11 (45.83%) Sqoop
8 11 (45.83%) Analytics
8 11 (45.83%) Git (software)
9 10 (41.67%) Jenkins
9 10 (41.67%) Google
9 10 (41.67%) Google Cloud Platform
9 10 (41.67%) Spark Streaming
10 9 (37.50%) Finance
10 9 (37.50%) Data Modelling
10 9 (37.50%) Ansible
10 9 (37.50%) HBase
11 8 (33.33%) MapReduce
11 8 (33.33%) Relational Database
11 8 (33.33%) Hadoop YARN
11 8 (33.33%) DevOps

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 24 (100.00%) Apache Spark
2 12 (50.00%) Elasticsearch
3 8 (33.33%) Apache
4 3 (12.50%) Apache Airflow
4 3 (12.50%) Apache Pig
4 3 (12.50%) Confluence
4 3 (12.50%) SAS
5 1 (4.17%) Gunicorn
5 1 (4.17%) Jupyter
5 1 (4.17%) nginx
Cloud Services
1 10 (41.67%) Google Cloud Platform
2 7 (29.17%) GitHub
3 3 (12.50%) Amazon AWS
3 3 (12.50%) Amazon EMR
3 3 (12.50%) Microsoft Azure
4 2 (8.33%) Azure Data Factory
5 1 (4.17%) Amazon EC2
5 1 (4.17%) Amazon S3
5 1 (4.17%) Virtual Private Cloud
Communications & Networking
1 3 (12.50%) SNA
2 1 (4.17%) SSH
Database & Business Intelligence
1 17 (70.83%) Big Data
2 16 (66.67%) Apache Hive
2 16 (66.67%) Hadoop
3 11 (45.83%) Sqoop
4 9 (37.50%) HBase
5 8 (33.33%) Relational Database
6 7 (29.17%) Data Warehouse
7 6 (25.00%) Presto
8 4 (16.67%) Data Lake
8 4 (16.67%) Impala
8 4 (16.67%) SQL Server
9 3 (12.50%) CouchDB
9 3 (12.50%) MongoDB
9 3 (12.50%) Oracle Database
9 3 (12.50%) Oracle Database 11g
10 2 (8.33%) Apache Cassandra
10 2 (8.33%) MySQL
10 2 (8.33%) NoSQL
10 2 (8.33%) Oracle Database 12c
10 2 (8.33%) RDBMS
Development Applications
1 12 (50.00%) JIRA
2 11 (45.83%) Git (software)
3 10 (41.67%) Jenkins
4 3 (12.50%) Bitbucket
5 2 (8.33%) Oracle APEX
6 1 (4.17%) ProC
General
1 9 (37.50%) Finance
2 7 (29.17%) Publishing
3 6 (25.00%) Banking
4 2 (8.33%) Telecoms
5 1 (4.17%) Investment Banking
Job Titles
1 12 (50.00%) Developer
2 9 (37.50%) Data Engineer
3 6 (25.00%) Big Data Engineer
4 4 (16.67%) Big Data Developer
4 4 (16.67%) Scala Developer
5 3 (12.50%) Ab Initio Developer
5 3 (12.50%) Apache Spark Developer
5 3 (12.50%) Cloud Engineer
5 3 (12.50%) Python Developer
6 2 (8.33%) Big Data Consultant
6 2 (8.33%) Business Developer
6 2 (8.33%) Business Intelligence Developer
6 2 (8.33%) Consultant
6 2 (8.33%) Data Consultant
6 2 (8.33%) Hadoop Engineer
6 2 (8.33%) Python Engineer
7 1 (4.17%) AWS Engineer
7 1 (4.17%) Big Data Architect
7 1 (4.17%) Hadoop Developer
7 1 (4.17%) Talend Developer
Libraries, Frameworks & Software Standards
1 14 (58.33%) Kafka
2 10 (41.67%) Spark Streaming
3 7 (29.17%) RESTful
4 5 (20.83%) Elastic Stack
5 3 (12.50%) ActiveMQ
5 3 (12.50%) Lucene
6 2 (8.33%) AngularJS
6 2 (8.33%) Apache Thrift
6 2 (8.33%) D3.js
6 2 (8.33%) GraphX
6 2 (8.33%) HTML
6 2 (8.33%) HTML5
6 2 (8.33%) PySpark
7 1 (4.17%) Flask
7 1 (4.17%) Pandas
7 1 (4.17%) TIBCO EMS
Miscellaneous
1 2 (8.33%) Analytical Skills
1 2 (8.33%) Computer Science
1 2 (8.33%) Social Network
2 1 (4.17%) Algorithms
2 1 (4.17%) Equities
2 1 (4.17%) IBM Mainframe
2 1 (4.17%) Mainframe
2 1 (4.17%) Virtual Team
Operating Systems
1 11 (45.83%) Linux
1 11 (45.83%) Unix
2 1 (4.17%) Windows
Processes & Methodologies
1 12 (50.00%) Agile Software Development
2 11 (45.83%) Analytics
2 11 (45.83%) ETL
3 9 (37.50%) Data Modelling
4 8 (33.33%) DevOps
4 8 (33.33%) MapReduce
5 7 (29.17%) Deployment Automation
5 7 (29.17%) Kanban
5 7 (29.17%) Requirements Management
5 7 (29.17%) SDLC
6 6 (25.00%) Mentoring
6 6 (25.00%) Scrum
7 4 (16.67%) Data Science
7 4 (16.67%) Data Strategy
7 4 (16.67%) Project Planning
8 3 (12.50%) Asset Management
8 3 (12.50%) Continuous Integration
8 3 (12.50%) Decision-Making
8 3 (12.50%) Open Source
8 3 (12.50%) Test Automation
Programming Languages
1 21 (87.50%) SQL
2 17 (70.83%) Python
3 15 (62.50%) Java
4 14 (58.33%) Scala
5 6 (25.00%) Shell Script
6 3 (12.50%) R
7 1 (4.17%) C
7 1 (4.17%) C++
7 1 (4.17%) Perl
7 1 (4.17%) Ruby
Qualifications
1 1 (4.17%) Computer Science Degree
1 1 (4.17%) Degree
Quality Assurance & Compliance
1 3 (12.50%) QA
2 2 (8.33%) GCP
System Software
1 4 (16.67%) Apache Flume
2 2 (8.33%) HDFS
3 1 (4.17%) Apache ZooKeeper
Systems Management
1 9 (37.50%) Ansible
2 8 (33.33%) Hadoop YARN
3 4 (16.67%) Kibana
3 4 (16.67%) logstash
3 4 (16.67%) Oozie
4 1 (4.17%) Packer
4 1 (4.17%) Terraform
Vendors
1 10 (41.67%) Google
2 7 (29.17%) Oracle
3 3 (12.50%) Ab Initio
3 3 (12.50%) Palantir
3 3 (12.50%) Talend
4 2 (8.33%) IBM
5 1 (4.17%) Atlassian
5 1 (4.17%) CA Agile Central
5 1 (4.17%) Capita
5 1 (4.17%) Cloudera
5 1 (4.17%) Tableau
5 1 (4.17%) TIBCO