Period
to 12 December 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Parquet skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Parquet over the 6 months to 12 December 2018 with a comparison to the same period in the previous 2 years.

Apache Parquet
England > London
6 months to
12 Dec 2018
Same period 2017 Same period 2016
Rank 775 848 -
Rank change year-on-year +73 - +916
Permanent jobs citing Parquet 24 14 0
As % of all permanent IT jobs advertised in London 0.036% 0.019% -
As % of the Database & Business Intelligence category 0.12% 0.064% -
Number of salaries quoted 21 14 0
London median annual salary £77,500 £92,500 -
Median salary % change year-on-year -16.22% - -
England median annual salary £75,000 £87,500 £54,000
% change year-on-year -14.29% +62.04% -22.86%

Parquet is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Permanent vacancies with a requirement for database or business intelligence skills 19,865 21,916 22,173
As % of all permanent IT jobs advertised in London 29.86% 29.58% 29.74%
Number of salaries quoted 16,311 17,624 19,313
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £37,500 £36,250 £35,000
90th Percentile £95,000 £88,750 £87,500
England median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% +5.56%

Parquet
Job Vacancy Trend in London

Job postings citing Parquet as a percentage of all IT jobs advertised in London.

Job vacancy trend for Parquet in London

Parquet
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Parquet in London.

Salary trend for Parquet in London

Parquet
Salary Histogram in London

The salary distribution of IT jobs citing Parquet in London over the 6 months to 12 December 2018.

Salary histogram for Parquet in London

Parquet
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Parquet within the London region over the 6 months to 12 December 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -8 6 £83,750 -9.46%
West London - 1 £90,000 - 2
Parquet
England

For the 6 months to 12 December 2018, IT jobs citing Parquet also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for Parquet.

1 22 (91.67%) Python
2 20 (83.33%) Amazon AWS
3 15 (62.50%) Docker
4 14 (58.33%) Analytics
5 13 (54.17%) Visualisation
5 13 (54.17%) Linux
5 13 (54.17%) Software Engineering
6 12 (50.00%) Java
6 12 (50.00%) Apache
6 12 (50.00%) Hadoop
6 12 (50.00%) Pandas
6 12 (50.00%) Apache Spark
7 11 (45.83%) NumPy
7 11 (45.83%) Data Analytics
7 11 (45.83%) Computer Science
8 10 (41.67%) Virtual Environments
8 10 (41.67%) Anaconda
9 9 (37.50%) HDFS
9 9 (37.50%) DevOps
9 9 (37.50%) Mathematics
9 9 (37.50%) Big Data
9 9 (37.50%) Kafka
9 9 (37.50%) Apache Avro
10 8 (33.33%) SciPy
10 8 (33.33%) Data Analysis
10 8 (33.33%) Bokeh
10 8 (33.33%) Greenfield Project
11 7 (29.17%) Data Engineering
11 7 (29.17%) Amazon Redshift
11 7 (29.17%) ETL

Parquet
Co-occurring IT Skills in 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 12 (50.00%) Apache
1 12 (50.00%) Apache Spark
2 5 (20.83%) Elasticsearch
3 3 (12.50%) Apache Airflow
4 1 (4.17%) Luigi
Cloud Services
1 20 (83.33%) Amazon AWS
2 6 (25.00%) Amazon EMR
3 5 (20.83%) AWS Lambda
3 5 (20.83%) Serverless
4 3 (12.50%) Amazon EC2
4 3 (12.50%) Amazon S3
4 3 (12.50%) Microsoft Azure
5 2 (8.33%) AWS CloudFormation
5 2 (8.33%) Cloud Computing
6 1 (4.17%) Amazon CloudWatch
6 1 (4.17%) Apigee
6 1 (4.17%) Google Cloud Platform
Communications & Networking
1 1 (4.17%) Internet
Database & Business Intelligence
1 12 (50.00%) Hadoop
2 9 (37.50%) Big Data
3 7 (29.17%) Amazon Redshift
4 6 (25.00%) Amazon DynamoDB
4 6 (25.00%) Apache Hive
4 6 (25.00%) PostgreSQL
5 5 (20.83%) OpenTSDB
6 4 (16.67%) Apache Cassandra
6 4 (16.67%) Data Lake
6 4 (16.67%) Data Warehouse
6 4 (16.67%) Impala
6 4 (16.67%) NoSQL
6 4 (16.67%) SQL Server
7 3 (12.50%) Couchbase
7 3 (12.50%) HBase
7 3 (12.50%) MongoDB
7 3 (12.50%) RDBMS
7 3 (12.50%) Relational Database
8 2 (8.33%) Data Mining
8 2 (8.33%) Spotfire
Development Applications
1 4 (16.67%) Git (software)
1 4 (16.67%) Jenkins
2 3 (12.50%) Maven
3 2 (8.33%) Eclipse
3 2 (8.33%) FindBugs
3 2 (8.33%) GitLab
3 2 (8.33%) IntelliJ
3 2 (8.33%) JUnit
3 2 (8.33%) TeamCity
General
1 4 (16.67%) Retail
2 3 (12.50%) Banking
3 2 (8.33%) Finance
4 1 (4.17%) Front Office
Job Titles
1 12 (50.00%) Developer
2 8 (33.33%) Python Developer
3 7 (29.17%) Data Engineer
4 3 (12.50%) .NET Developer
4 3 (12.50%) Architect
4 3 (12.50%) AWS Developer
4 3 (12.50%) Big Data Engineer
4 3 (12.50%) C# .NET Developer
4 3 (12.50%) C# Developer
4 3 (12.50%) Data Architect
4 3 (12.50%) F# Developer
4 3 (12.50%) Python Engineer
4 3 (12.50%) Ruby Developer
4 3 (12.50%) Scala Developer
4 3 (12.50%) Senior .NET Developer
4 3 (12.50%) Senior C# .NET Developer
4 3 (12.50%) Senior C# Developer
4 3 (12.50%) Senior Developer
4 3 (12.50%) Senior Ruby Developer
4 3 (12.50%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 12 (50.00%) Pandas
2 11 (45.83%) NumPy
3 10 (41.67%) Anaconda
4 9 (37.50%) Apache Avro
4 9 (37.50%) Kafka
5 8 (33.33%) Bokeh
5 8 (33.33%) SciPy
6 5 (20.83%) Apache Thrift
6 5 (20.83%) Elastic Stack
6 5 (20.83%) PostGIS
6 5 (20.83%) Protocol Buffers
6 5 (20.83%) Samza
7 4 (16.67%) JSON
8 3 (12.50%) .NET
8 3 (12.50%) AngularJS
8 3 (12.50%) ASP.NET
8 3 (12.50%) ASP.NET MVC
8 3 (12.50%) ASP.NET Web API
8 3 (12.50%) RabbitMQ
8 3 (12.50%) React
Miscellaneous
1 8 (33.33%) Greenfield Project
2 5 (20.83%) Analytical Skills
3 2 (8.33%) Cloud Native
3 2 (8.33%) Data Centre
3 2 (8.33%) Mainframe
4 1 (4.17%) Fintech
4 1 (4.17%) Hybrid Cloud
4 1 (4.17%) Linux Command Line
4 1 (4.17%) Private Cloud
Operating Systems
1 13 (54.17%) Linux
2 2 (8.33%) Unix
3 1 (4.17%) DC/OS
Processes & Methodologies
1 14 (58.33%) Analytics
2 13 (54.17%) Software Engineering
2 13 (54.17%) Visualisation
3 11 (45.83%) Computer Science
3 11 (45.83%) Data Analytics
4 10 (41.67%) Virtual Environments
5 9 (37.50%) DevOps
5 9 (37.50%) Mathematics
6 8 (33.33%) Data Analysis
7 7 (29.17%) Data Engineering
7 7 (29.17%) ETL
8 6 (25.00%) Agile Software Development
9 5 (20.83%) Data Ingestion
9 5 (20.83%) Data Science
9 5 (20.83%) E-Commerce
9 5 (20.83%) Machine Learning
9 5 (20.83%) Open Source
10 3 (12.50%) Low Latency
10 3 (12.50%) Microservices
10 3 (12.50%) Multithreading
Programming Languages
1 22 (91.67%) Python
2 12 (50.00%) Java
3 7 (29.17%) Scala
4 6 (25.00%) SQL
5 5 (20.83%) C#
5 5 (20.83%) Ruby
6 3 (12.50%) Bash Shell
6 3 (12.50%) CoffeeScript
6 3 (12.50%) F#
6 3 (12.50%) JavaScript
6 3 (12.50%) Shell Script
7 1 (4.17%) C
7 1 (4.17%) C++
7 1 (4.17%) Java 8
7 1 (4.17%) R
Qualifications
1 4 (16.67%) Degree
2 1 (4.17%) Computer Science Degree
Quality Assurance & Compliance
1 3 (12.50%) QA
System Software
1 15 (62.50%) Docker
2 9 (37.50%) HDFS
3 2 (8.33%) Apache ZooKeeper
4 1 (4.17%) GridGain
Systems Management
1 5 (20.83%) Kibana
1 5 (20.83%) logstash
1 5 (20.83%) Mesos
2 3 (12.50%) Ansible
2 3 (12.50%) Graphite
2 3 (12.50%) Oozie
3 1 (4.17%) Kubernetes
3 1 (4.17%) Opscode Chef
3 1 (4.17%) Puppet
3 1 (4.17%) Terraform
Vendors
1 6 (25.00%) Cloudera
2 3 (12.50%) Hortonworks
2 3 (12.50%) MapR
3 2 (8.33%) Cognizant
3 2 (8.33%) Salesforce.com
3 2 (8.33%) SAP
3 2 (8.33%) Tableau
3 2 (8.33%) Talend
4 1 (4.17%) Oracle
4 1 (4.17%) Solace
4 1 (4.17%) Sybase