Period
to 17 October 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Apache Solr skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache Solr over the 6 months to 17 October 2017 with a comparison to the same period in the previous 2 years.

Apache Solr
Central London > City of London
6 months to
17 Oct 2017
Same period 2016 Same period 2015
Rank 287 276 312
Rank change year-on-year -11 +36 +75
Permanent jobs citing Apache Solr 37 77 111
As % of all permanent IT jobs advertised in the City of London 0.37% 0.64% 0.61%
As % of the Application Platforms category 1.98% 3.29% 3.24%
Number of salaries quoted 36 77 104
City of London median annual salary £65,000 £60,000 £70,000
Median salary % change year-on-year +8.33% -14.29% +16.67%
10th Percentile £52,500 £45,750 £42,500
90th Percentile £73,750 £77,500 £87,500
Central London median annual salary £62,500 £62,500 £65,000
% change year-on-year - -3.85% +8.33%

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

All Application Platform Skills
City of London
Permanent vacancies with a requirement for application platform skills 1868 2337 3427
As % of all permanent IT jobs advertised in the City of London 18.81% 19.43% 18.92%
Number of salaries quoted 1711 2143 2947
City of London median annual salary £60,000 £55,000 £54,000
Median salary % change year-on-year +9.09% +1.85% +2.86%
10th Percentile £36,250 £34,000 £31,250
90th Percentile £87,500 £83,750 £80,000
Central London median annual salary £55,500 £55,000 £52,500
% change year-on-year +0.91% +4.76% +5.00%

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
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Apache Solr in the City of London.

Salary trend for Apache Solr in the City of London

Apache Solr
Salary Histogram in the City of London

The salary distribution of IT jobs citing Apache Solr in the City of London over the 6 months to 17 October 2017.

Salary histogram for Apache Solr in the City of London

For the 6 months to 17 October 2017, IT jobs citing Apache Solr also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Apache Solr.

1 25 (67.57%) Agile Software Development
2 24 (64.86%) OO
3 22 (59.46%) PHP
4 20 (54.05%) TDD
5 19 (51.35%) Elasticsearch
6 18 (48.65%) Java
6 18 (48.65%) MongoDB
7 16 (43.24%) Apache Spark
8 15 (40.54%) Lucene
8 15 (40.54%) NoSQL
8 15 (40.54%) Big Data
8 15 (40.54%) Hadoop
9 14 (37.84%) Continuous Integration
9 14 (37.84%) JavaScript
9 14 (37.84%) MySQL
9 14 (37.84%) Opscode Chef
9 14 (37.84%) AngularJS
10 13 (35.14%) Python
11 12 (32.43%) Bash Shell
11 12 (32.43%) React
12 11 (29.73%) Ansible
12 11 (29.73%) Amazon AWS
12 11 (29.73%) Puppet
12 11 (29.73%) Redis
12 11 (29.73%) E-Commerce
12 11 (29.73%) Oracle
12 11 (29.73%) SQL Server
12 11 (29.73%) HTML
12 11 (29.73%) CSS
12 11 (29.73%) Scrum

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 19 (51.35%) Elasticsearch
2 16 (43.24%) Apache Spark
3 10 (27.03%) JBoss
3 10 (27.03%) Jetty
3 10 (27.03%) OpenStack
3 10 (27.03%) Tomcat
3 10 (27.03%) WebLogic
3 10 (27.03%) WebSphere
3 10 (27.03%) WebSphere Application Server
4 8 (21.62%) Drupal
5 7 (18.92%) CMS
6 2 (5.41%) Apache
Cloud Services
1 11 (29.73%) Amazon AWS
2 10 (27.03%) Microsoft Azure
3 1 (2.70%) Heroku
Communications & Networking
1 1 (2.70%) Internet
1 1 (2.70%) Kerberos
1 1 (2.70%) LDAP
1 1 (2.70%) SSL
Database & Business Intelligence
1 18 (48.65%) MongoDB
2 15 (40.54%) Big Data
2 15 (40.54%) Hadoop
2 15 (40.54%) NoSQL
3 14 (37.84%) MySQL
4 11 (29.73%) Redis
4 11 (29.73%) SQL Server
5 10 (27.03%) Apache Cassandra
5 10 (27.03%) Couchbase
5 10 (27.03%) PostgreSQL
5 10 (27.03%) Riak
6 5 (13.51%) Apache Hive
7 4 (10.81%) RDBMS
7 4 (10.81%) Relational Database
7 4 (10.81%) Sqoop
8 2 (5.41%) Neo4j
8 2 (5.41%) Text Mining
9 1 (2.70%) HBase
Development Applications
1 10 (27.03%) Git (software)
2 9 (24.32%) Jenkins
3 8 (21.62%) JIRA
4 2 (5.41%) Atlassian Bamboo
4 2 (5.41%) Grunt
4 2 (5.41%) gulp
5 1 (2.70%) Eclipse
5 1 (2.70%) Gradle
5 1 (2.70%) Maven
5 1 (2.70%) NetBeans
5 1 (2.70%) PHPUnit
5 1 (2.70%) Selenium
5 1 (2.70%) Vagrant
General
1 8 (21.62%) Publishing
2 7 (18.92%) Finance
3 2 (5.41%) Pharmaceutical
Job Titles
1 24 (64.86%) Developer
2 17 (45.95%) Java Developer
3 6 (16.22%) PHP Developer
3 6 (16.22%) Senior Developer
4 4 (10.81%) Big Data Engineer
4 4 (10.81%) Data Engineer
4 4 (10.81%) Senior Java Developer
5 3 (8.11%) Consultant
5 3 (8.11%) Drupal Consultant
5 3 (8.11%) Drupal Developer
5 3 (8.11%) E-Commerce Developer
5 3 (8.11%) Java E-Commerce Developer
5 3 (8.11%) PHP Drupal Developer
5 3 (8.11%) Senior E-Commerce Developer
5 3 (8.11%) Technical Consultant
5 3 (8.11%) Technical Leader
6 2 (5.41%) Java Programmer
6 2 (5.41%) Programmer
6 2 (5.41%) Senior PHP Developer
6 2 (5.41%) Team Leader
Libraries, Frameworks & Software Standards
1 15 (40.54%) Lucene
2 14 (37.84%) AngularJS
3 12 (32.43%) React
4 11 (29.73%) CSS
4 11 (29.73%) HTML
5 10 (27.03%) Elastic Stack
5 10 (27.03%) HTML5
6 8 (21.62%) CSS3
6 8 (21.62%) jQuery
7 7 (18.92%) Ajax
8 4 (10.81%) REST
8 4 (10.81%) Spring
9 3 (8.11%) Laravel
9 3 (8.11%) Spring Boot
9 3 (8.11%) Symfony
10 2 (5.41%) ActiveMQ
10 2 (5.41%) Backbone.js
10 2 (5.41%) LAMP
10 2 (5.41%) RabbitMQ
10 2 (5.41%) RESTful
Miscellaneous
1 10 (27.03%) Enterprise Software
2 4 (10.81%) Analytical Skills
3 3 (8.11%) Computer Science
4 2 (5.41%) Digital Media
4 2 (5.41%) Greenfield Project
4 2 (5.41%) Linux Command Line
4 2 (5.41%) Semantic Web
4 2 (5.41%) Social Media
5 1 (2.70%) Data Structures
5 1 (2.70%) Mobile App
Operating Systems
1 6 (16.22%) Linux
2 4 (10.81%) Mac OS X
2 4 (10.81%) Windows
3 1 (2.70%) Unix
Processes & Methodologies
1 25 (67.57%) Agile Software Development
2 24 (64.86%) OO
3 20 (54.05%) TDD
4 14 (37.84%) Continuous Integration
5 11 (29.73%) E-Commerce
5 11 (29.73%) Scrum
6 10 (27.03%) Coaching
6 10 (27.03%) Concurrent Programming
6 10 (27.03%) DSDM
6 10 (27.03%) Kanban
6 10 (27.03%) Mentoring
6 10 (27.03%) Multithreading
6 10 (27.03%) OO PHP
6 10 (27.03%) RUP
6 10 (27.03%) UML
6 10 (27.03%) Waterfall
6 10 (27.03%) Web Development
7 7 (18.92%) DevOps
7 7 (18.92%) Workflow
8 6 (16.22%) Disaster Recovery
Programming Languages
1 22 (59.46%) PHP
2 18 (48.65%) Java
3 14 (37.84%) JavaScript
4 13 (35.14%) Python
5 12 (32.43%) Bash Shell
6 10 (27.03%) Go
6 10 (27.03%) Perl
7 3 (8.11%) SQL
8 2 (5.41%) PHP 5
9 1 (2.70%) Apex Code
9 1 (2.70%) C
9 1 (2.70%) C++
9 1 (2.70%) Groovy
9 1 (2.70%) Ruby
9 1 (2.70%) XPath
Qualifications
1 4 (10.81%) DV Cleared
1 4 (10.81%) Security Cleared
2 3 (8.11%) Degree
3 1 (2.70%) Computer Science Degree
Quality Assurance & Compliance
1 6 (16.22%) QA
System Software
1 5 (13.51%) Apache Flume
1 5 (13.51%) Docker
2 1 (2.70%) Apache ZooKeeper
2 1 (2.70%) HDFS
Systems Management
1 14 (37.84%) Opscode Chef
2 11 (29.73%) Ansible
2 11 (29.73%) Puppet
3 10 (27.03%) Kibana
3 10 (27.03%) logstash
3 10 (27.03%) Salt
4 1 (2.70%) Mesos
4 1 (2.70%) Oozie
4 1 (2.70%) Terraform
Vendors
1 11 (29.73%) Oracle
2 4 (10.81%) Cloudera
3 1 (2.70%) Salesforce.com