Period
to 23 February 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Apache Solr skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Solr over the 6 months to 23 February 2019 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 Solr
Central London > City of London
6 months to
23 Feb 2019
Same period 2018 Same period 2017
Rank 246 225 218
Rank change year-on-year -21 -7 +7
Contract jobs citing Apache Solr 11 26 13
As % of all contract IT jobs advertised in the City of London 0.16% 0.37% 0.21%
As % of the Application Platforms category 0.89% 2.48% 1.14%
Number of daily rates quoted 10 26 11
City of London median daily rate £518 £433 £475
Median daily rate % change year-on-year +19.65% -8.95% +11.76%
10th Percentile £419 £313 £369
90th Percentile £598 £550 £625
Central London median daily rate £518 £433 £475
% change year-on-year +19.65% -8.95% -9.52%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Apache Solr is in the Application Platforms category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for application platform skills.

All Application Platform Skills
City of London
Contract vacancies with a requirement for application platform skills 1,237 1,049 1,141
As % of all contract IT jobs advertised in the City of London 18.30% 14.75% 18.61%
Number of daily rates quoted 950 844 914
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +7.95%
10th Percentile £281 £280 £310
90th Percentile £650 £675 £673
Central London median daily rate £525 £496 £475
% change year-on-year +5.85% +4.42% +11.76%
Number of hourly rates quoted 16 9 11
City of London median hourly rate £20.88 £20.00 £19.00
Median hourly rate % change year-on-year +4.38% +5.26% -2.56%
10th Percentile £13.00 £11.54 £13.00
90th Percentile £46.88 £27.50 £56.87
Central London median hourly rate £19.13 £19.35 £19.00
% change year-on-year -1.16% +1.84% -2.56%

Apache Solr
Job Vacancy Trend in the City of London

Job postings citing Apache Solr as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Apache Solr in the City of London

Apache Solr
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Solr in the City of London.

Contractor daily rate trend for Apache Solr in the City of London

Apache Solr
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apache Solr in the City of London over the 6 months to 23 February 2019.

Contractor daily rate histogram for Apache Solr in the City of London

For the 6 months to 23 February 2019, IT contractor jobs citing Apache Solr 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 across the City of London region with a requirement for Apache Solr.

1 4 (36.36%) Agile Software Development
1 4 (36.36%) Python
1 4 (36.36%) Performance Tuning
1 4 (36.36%) Docker
1 4 (36.36%) DevOps
2 3 (27.27%) Microservices
2 3 (27.27%) Apache Spark
2 3 (27.27%) HDFS
2 3 (27.27%) REST
2 3 (27.27%) HBase
2 3 (27.27%) Big Data
2 3 (27.27%) Kubernetes
2 3 (27.27%) Content Management
2 3 (27.27%) Ruby
2 3 (27.27%) Linux
2 3 (27.27%) Load Testing
2 3 (27.27%) Hadoop
2 3 (27.27%) Amazon AWS
2 3 (27.27%) Open Source
2 3 (27.27%) Apache Hive
2 3 (27.27%) MongoDB
2 3 (27.27%) Apache Cassandra
3 2 (18.18%) Capacity Planning
3 2 (18.18%) HTML5
3 2 (18.18%) Test Automation
3 2 (18.18%) RESTful
3 2 (18.18%) Scala
3 2 (18.18%) Test Scripting
3 2 (18.18%) Performance Testing
3 2 (18.18%) Django

Apache Solr
Co-occurring IT Skills in the City of 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 3 (27.27%) Apache Spark
2 2 (18.18%) Elasticsearch
3 1 (9.09%) CMS
3 1 (9.09%) Jupyter
3 1 (9.09%) OpenStack
3 1 (9.09%) Sitecore CMS
Cloud Services
1 3 (27.27%) Amazon AWS
2 1 (9.09%) AWS Lambda
2 1 (9.09%) CloudFront
2 1 (9.09%) Google Cloud Platform
2 1 (9.09%) Microsoft Azure
2 1 (9.09%) Route 53
2 1 (9.09%) Serverless
Communications & Networking
1 2 (18.18%) Kerberos
Database & Business Intelligence
1 3 (27.27%) Apache Cassandra
1 3 (27.27%) Apache Hive
1 3 (27.27%) Big Data
1 3 (27.27%) Hadoop
1 3 (27.27%) HBase
1 3 (27.27%) MongoDB
2 2 (18.18%) PostgreSQL
2 2 (18.18%) Relational Database
3 1 (9.09%) MySQL
3 1 (9.09%) Neo4j
3 1 (9.09%) NoSQL
3 1 (9.09%) SQL Server
Development Applications
1 2 (18.18%) Gatling
1 2 (18.18%) Jenkins
1 2 (18.18%) JMeter
1 2 (18.18%) LoadRunner
1 2 (18.18%) NeoLoad
2 1 (9.09%) Bower
2 1 (9.09%) Git (software)
2 1 (9.09%) git-flow
2 1 (9.09%) gulp
2 1 (9.09%) Hudson
2 1 (9.09%) Visual Studio
2 1 (9.09%) Visual Studio Team System
General
1 1 (9.09%) Banking
1 1 (9.09%) Finance
Job Titles
1 5 (45.45%) Developer
2 3 (27.27%) Administrator
2 3 (27.27%) Hadoop Administrator
3 2 (18.18%) Solr Developer
4 1 (9.09%) Architect
4 1 (9.09%) CMS Developer
4 1 (9.09%) DBA
4 1 (9.09%) Front End Developer (Client-Side Developer)
4 1 (9.09%) Python Developer
4 1 (9.09%) Python Engineer
4 1 (9.09%) React Developer
4 1 (9.09%) Sitecore Developer
4 1 (9.09%) Software Architect
Libraries, Frameworks & Software Standards
1 3 (27.27%) REST
2 2 (18.18%) .NET
2 2 (18.18%) CSS
2 2 (18.18%) CSS3
2 2 (18.18%) Django
2 2 (18.18%) Flask
2 2 (18.18%) HTML
2 2 (18.18%) HTML5
2 2 (18.18%) LDAP
2 2 (18.18%) RESTful
3 1 (9.09%) .NET Framework
3 1 (9.09%) ASP.NET
3 1 (9.09%) ASP.NET Web API
3 1 (9.09%) jQuery
3 1 (9.09%) Lucene
3 1 (9.09%) Node.js
3 1 (9.09%) RabbitMQ
3 1 (9.09%) Regular Expression
3 1 (9.09%) Ruby on Rails
3 1 (9.09%) Velocity
Miscellaneous
1 2 (18.18%) Clustering
1 2 (18.18%) Data Centre
1 2 (18.18%) Linux Command Line
Operating Systems
1 3 (27.27%) Linux
2 2 (18.18%) Unix
3 1 (9.09%) Red Hat Enterprise Linux
Processes & Methodologies
1 4 (36.36%) Agile Software Development
1 4 (36.36%) DevOps
1 4 (36.36%) Performance Tuning
2 3 (27.27%) Content Management
2 3 (27.27%) Load Testing
2 3 (27.27%) Microservices
2 3 (27.27%) Open Source
3 2 (18.18%) API Design
3 2 (18.18%) Build Automation
3 2 (18.18%) Capacity Planning
3 2 (18.18%) Continuous Delivery
3 2 (18.18%) High Availability
3 2 (18.18%) Low Latency
3 2 (18.18%) Migration
3 2 (18.18%) Non-Functional Testing
3 2 (18.18%) Performance Measurement
3 2 (18.18%) Performance Testing
3 2 (18.18%) Risk Assessment
3 2 (18.18%) Test Automation
3 2 (18.18%) Test Scripting
Programming Languages
1 4 (36.36%) Python
2 3 (27.27%) Ruby
3 2 (18.18%) C#
3 2 (18.18%) Java
3 2 (18.18%) JavaScript
3 2 (18.18%) Scala
4 1 (9.09%) ES6
4 1 (9.09%) Shell Script
System Software
1 4 (36.36%) Docker
2 3 (27.27%) HDFS
Systems Management
1 3 (27.27%) Kubernetes
2 2 (18.18%) Prometheus
2 2 (18.18%) Tivoli
3 1 (9.09%) Hadoop YARN
3 1 (9.09%) Terraform
Vendors
1 2 (18.18%) AppDynamics
1 2 (18.18%) Hortonworks
1 2 (18.18%) SOASTA, Inc
2 1 (9.09%) Datameer
2 1 (9.09%) Google
2 1 (9.09%) Sitecore