Period
to 23 October 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 23 October 2018 with a comparison to the same period in the previous 2 years.

Apache Parquet
England > London
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 792 839 859
Rank change year-on-year +47 +20 -
Permanent jobs citing Parquet 29 8 1
As % of all permanent IT jobs advertised in London 0.043% 0.011% 0.001%
As % of the Database & Business Intelligence category 0.14% 0.036% 0.004%
Number of salaries quoted 26 8 1
London median annual salary £75,000 £95,000 £85,000
Median salary % change year-on-year -21.05% +11.76% -
10th Percentile £67,500 £50,000 £77,500
90th Percentile £96,250 £119,250 £92,500
England median annual salary £75,000 £92,500 £54,000
% change year-on-year -18.92% +71.30% -

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 20,911 22,106 22,395
As % of all permanent IT jobs advertised in London 30.73% 29.61% 29.35%
Number of salaries quoted 16,662 17,692 19,450
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 £89,900 £87,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +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 23 October 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 23 October 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 -19 6 £83,750 -14.10% 1
West London - 1 £90,000 - 3
Parquet
England

For the 6 months to 23 October 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 28 (96.55%) Python
2 25 (86.21%) Amazon AWS
3 20 (68.97%) Visualisation
3 20 (68.97%) Docker
4 19 (65.52%) Analytics
5 17 (58.62%) Linux
5 17 (58.62%) Pandas
6 16 (55.17%) DevOps
6 16 (55.17%) Apache
6 16 (55.17%) Software Engineering
6 16 (55.17%) Data Analytics
6 16 (55.17%) NumPy
7 15 (51.72%) Computer Science
7 15 (51.72%) Virtual Environments
7 15 (51.72%) Anaconda
8 14 (48.28%) Mathematics
9 13 (44.83%) Data Analysis
9 13 (44.83%) SciPy
9 13 (44.83%) Greenfield Project
9 13 (44.83%) Bokeh
10 12 (41.38%) Apache Spark
10 12 (41.38%) Big Data
10 12 (41.38%) Hadoop
10 12 (41.38%) Java
11 10 (34.48%) Scala
11 10 (34.48%) HDFS
12 8 (27.59%) Cloudera
12 8 (27.59%) Apache Hive
12 8 (27.59%) Apache Avro
12 8 (27.59%) 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 16 (55.17%) Apache
2 12 (41.38%) Apache Spark
3 3 (10.34%) Apache Airflow
3 3 (10.34%) Elasticsearch
4 1 (3.45%) Luigi
Cloud Services
1 25 (86.21%) Amazon AWS
2 5 (17.24%) AWS Lambda
2 5 (17.24%) Serverless
3 4 (13.79%) Amazon EMR
4 3 (10.34%) Microsoft Azure
5 2 (6.90%) Google Cloud Platform
6 1 (3.45%) Amazon CloudWatch
6 1 (3.45%) Amazon EC2
6 1 (3.45%) Amazon S3
6 1 (3.45%) Apigee
Database & Business Intelligence
1 12 (41.38%) Big Data
1 12 (41.38%) Hadoop
2 8 (27.59%) Apache Hive
3 6 (20.69%) Data Lake
3 6 (20.69%) Impala
4 5 (17.24%) Amazon Redshift
4 5 (17.24%) Data Warehouse
4 5 (17.24%) PostgreSQL
5 4 (13.79%) Amazon DynamoDB
5 4 (13.79%) Apache Cassandra
5 4 (13.79%) NoSQL
5 4 (13.79%) Spotfire
5 4 (13.79%) SQL Server
6 3 (10.34%) Couchbase
6 3 (10.34%) HBase
6 3 (10.34%) MongoDB
6 3 (10.34%) OpenTSDB
6 3 (10.34%) RDBMS
6 3 (10.34%) Relational Database
7 2 (6.90%) Data Mining
Development Applications
1 4 (13.79%) GitLab
2 3 (10.34%) Git (software)
2 3 (10.34%) Jenkins
2 3 (10.34%) Maven
3 2 (6.90%) Eclipse
3 2 (6.90%) FindBugs
3 2 (6.90%) IntelliJ
3 2 (6.90%) JUnit
3 2 (6.90%) TeamCity
General
1 6 (20.69%) Retail
2 3 (10.34%) Banking
3 2 (6.90%) Finance
4 1 (3.45%) Front Office
Job Titles
1 17 (58.62%) Developer
2 13 (44.83%) Python Developer
3 8 (27.59%) Data Engineer
4 5 (17.24%) Big Data Engineer
5 4 (13.79%) Architect
5 4 (13.79%) Data Architect
6 3 (10.34%) .NET Developer
6 3 (10.34%) AWS Developer
6 3 (10.34%) Big Data Architect
6 3 (10.34%) C# .NET Developer
6 3 (10.34%) C# Developer
6 3 (10.34%) F# Developer
6 3 (10.34%) Python Engineer
6 3 (10.34%) Ruby Developer
6 3 (10.34%) Scala Developer
6 3 (10.34%) Senior .NET Developer
6 3 (10.34%) Senior C# .NET Developer
6 3 (10.34%) Senior C# Developer
6 3 (10.34%) Senior Developer
6 3 (10.34%) Senior Ruby Developer
Libraries, Frameworks & Software Standards
1 17 (58.62%) Pandas
2 16 (55.17%) NumPy
3 15 (51.72%) Anaconda
4 13 (44.83%) Bokeh
4 13 (44.83%) SciPy
5 8 (27.59%) Apache Avro
6 7 (24.14%) Kafka
7 6 (20.69%) JSON
8 3 (10.34%) .NET
8 3 (10.34%) AngularJS
8 3 (10.34%) Apache Thrift
8 3 (10.34%) ASP.NET
8 3 (10.34%) ASP.NET MVC
8 3 (10.34%) ASP.NET Web API
8 3 (10.34%) Elastic Stack
8 3 (10.34%) PostGIS
8 3 (10.34%) Protocol Buffers
8 3 (10.34%) RabbitMQ
8 3 (10.34%) React
8 3 (10.34%) Samza
Miscellaneous
1 15 (51.72%) Computer Science
2 13 (44.83%) Greenfield Project
3 3 (10.34%) Analytical Skills
4 2 (6.90%) Mainframe
5 1 (3.45%) Fintech
5 1 (3.45%) Hybrid Cloud
5 1 (3.45%) Linux Command Line
5 1 (3.45%) Private Cloud
Operating Systems
1 17 (58.62%) Linux
2 2 (6.90%) Unix
3 1 (3.45%) DC/OS
Processes & Methodologies
1 20 (68.97%) Visualisation
2 19 (65.52%) Analytics
3 16 (55.17%) Data Analytics
3 16 (55.17%) DevOps
3 16 (55.17%) Software Engineering
4 15 (51.72%) Virtual Environments
5 14 (48.28%) Mathematics
6 13 (44.83%) Data Analysis
7 8 (27.59%) ETL
8 7 (24.14%) Data Engineering
8 7 (24.14%) Data Ingestion
9 6 (20.69%) Data Modelling
9 6 (20.69%) Data Science
10 5 (17.24%) E-Commerce
11 4 (13.79%) Agile Software Development
11 4 (13.79%) Configuration Management
11 4 (13.79%) Data Acquisition
11 4 (13.79%) Event-Driven Architecture
12 3 (10.34%) Machine Learning
12 3 (10.34%) Microservices
Programming Languages
1 28 (96.55%) Python
2 12 (41.38%) Java
3 10 (34.48%) Scala
4 6 (20.69%) SQL
5 3 (10.34%) Bash Shell
5 3 (10.34%) C#
5 3 (10.34%) CoffeeScript
5 3 (10.34%) F#
5 3 (10.34%) JavaScript
5 3 (10.34%) Ruby
6 2 (6.90%) Shell Script
7 1 (3.45%) C
7 1 (3.45%) C++
7 1 (3.45%) Go
7 1 (3.45%) Java 8
Qualifications
1 3 (10.34%) Degree
Quality Assurance & Compliance
1 3 (10.34%) QA
2 1 (3.45%) Data Quality
System Software
1 20 (68.97%) Docker
2 10 (34.48%) HDFS
3 4 (13.79%) Apache ZooKeeper
4 1 (3.45%) GridGain
Systems Management
1 5 (17.24%) Oozie
2 3 (10.34%) Graphite
2 3 (10.34%) Kibana
2 3 (10.34%) logstash
2 3 (10.34%) Mesos
3 1 (3.45%) Ansible
3 1 (3.45%) Kubernetes
3 1 (3.45%) Opscode Chef
3 1 (3.45%) Puppet
3 1 (3.45%) Terraform
Vendors
1 8 (27.59%) Cloudera
2 5 (17.24%) Talend
3 4 (13.79%) Tableau
4 3 (10.34%) Hortonworks
4 3 (10.34%) MapR
5 2 (6.90%) Cognizant
5 2 (6.90%) Salesforce.com
5 2 (6.90%) SAP
6 1 (3.45%) Google
6 1 (3.45%) Informatica
6 1 (3.45%) Oracle
6 1 (3.45%) Solace
6 1 (3.45%) Sybase