The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Lucene skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Lucene over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Apache Lucene
London / City of London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 220 260 302
Rank change year-on-year +40 +42  
Permanent jobs citing Lucene 12 9 19
As % of all permanent IT jobs advertised in the City of London 0.23% 0.13% 0.18%
As % of the Libraries, Frameworks & Software Standards category 0.62% 0.33% 0.56%
Number of salaries quoted 12 8 19
Median salary £62,500 £62,500 £80,000
Median salary % change year-on-year - -21.87%  
UK excluding London median salary £60,000 £40,000 £45,000
% change year-on-year +50.00% -11.11%  

Lucene is in the industry standards, technical specifications and software library and framework skills category. The next 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 industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
City of London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1924 2726 3408
As % of all permanent IT job vacancies advertised in the City of London 37.53% 38.18% 32.65%
Number of salaries quoted 1748 2410 2961
Median salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% -  
90% offered a salary of more than £41,000 £37,500 £37,500
10% offered a salary of more than £85,000 £72,500 £75,000
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

Lucene
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Lucene as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Lucene in the City of London

Lucene
Salary Trend in the City of London

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

Salary trend for Lucene in the City of London

Lucene
Salary Histogram in the City of London

The salary distribution of IT jobs citing Lucene in the City of London over the 3 months to 28 March 2017.

Salary histogram for Lucene in the City of London

Lucene
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 28 March 2017, IT jobs citing Lucene 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 Lucene.

1 15 (83.33%) Python
2 14 (77.78%) Agile Software Development
2 14 (77.78%) Elasticsearch
3 13 (72.22%) Apache Solr
3 13 (72.22%) Amazon AWS
4 12 (66.67%) Hadoop
4 12 (66.67%) NoSQL
4 12 (66.67%) Perl
5 11 (61.11%) Java
5 11 (61.11%) TDD
5 11 (61.11%) MongoDB
5 11 (61.11%) Big Data
5 11 (61.11%) Apache Spark
6 10 (55.56%) DevOps
6 10 (55.56%) Microsoft Azure
6 10 (55.56%) Multithreading
6 10 (55.56%) Banking
6 10 (55.56%) Retail
6 10 (55.56%) PostgreSQL
6 10 (55.56%) Elastic Stack
7 9 (50.00%) Software Delivery
7 9 (50.00%) Concurrent Programming
7 9 (50.00%) WebSphere
7 9 (50.00%) Web Development
7 9 (50.00%) Scrum
7 9 (50.00%) MySQL
7 9 (50.00%) Oracle
7 9 (50.00%) SQL Server
7 9 (50.00%) WebLogic
7 9 (50.00%) RUP

Lucene
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 14 (77.78%) Elasticsearch
2 13 (72.22%) Apache Solr
3 11 (61.11%) Apache Spark
4 9 (50.00%) JBoss
4 9 (50.00%) Jetty
4 9 (50.00%) OpenStack
4 9 (50.00%) Tomcat
4 9 (50.00%) WebLogic
4 9 (50.00%) WebSphere
5 3 (16.67%) WebSphere Application Server
6 2 (11.11%) Apache
Cloud Services
1 13 (72.22%) Amazon AWS
2 10 (55.56%) Microsoft Azure
3 1 (5.56%) IBM Cloud
Communications & Networking
1 3 (16.67%) HTTP
Database & Business Intelligence
1 12 (66.67%) Hadoop
1 12 (66.67%) NoSQL
2 11 (61.11%) Big Data
2 11 (61.11%) MongoDB
3 10 (55.56%) PostgreSQL
4 9 (50.00%) Apache Cassandra
4 9 (50.00%) Couchbase
4 9 (50.00%) MySQL
4 9 (50.00%) Redis
4 9 (50.00%) Riak
4 9 (50.00%) SQL Server
5 6 (33.33%) Data Warehouse
6 3 (16.67%) Relational Database
7 1 (5.56%) Data Mining
7 1 (5.56%) KDB
7 1 (5.56%) Kdb+
Development Applications
1 2 (11.11%) Git (software)
2 1 (5.56%) Jenkins
2 1 (5.56%) JUnit
2 1 (5.56%) Maven
2 1 (5.56%) Subversion
2 1 (5.56%) Vagrant
General
1 10 (55.56%) Banking
1 10 (55.56%) Retail
2 3 (16.67%) Finance
2 3 (16.67%) Marketing
3 1 (5.56%) Electronics
3 1 (5.56%) Law
3 1 (5.56%) Legal
3 1 (5.56%) Manufacturing
Job Titles
1 12 (66.67%) Developer
2 10 (55.56%) Java Developer
3 4 (22.22%) Senior Developer
4 3 (16.67%) DevOps Engineer
4 3 (16.67%) Linux DevOps Engineer
4 3 (16.67%) Linux Engineer
4 3 (16.67%) Linux/Unix DevOps
4 3 (16.67%) Senior Java Developer
5 2 (11.11%) Data Scientist
6 1 (5.56%) Analytics Developer
6 1 (5.56%) Big Data Developer
6 1 (5.56%) C++ Developer
6 1 (5.56%) Scala Developer
6 1 (5.56%) Search Engineer
6 1 (5.56%) Senior C++ Developer
6 1 (5.56%) SQL Developer
Libraries, Frameworks & Software Standards
1 10 (55.56%) Elastic Stack
2 9 (50.00%) AngularJS
2 9 (50.00%) React
3 3 (16.67%) Web Services
4 1 (5.56%) Ajax
4 1 (5.56%) Boost C++ Libraries
4 1 (5.56%) CSS
4 1 (5.56%) Hibernate
4 1 (5.56%) HTML
4 1 (5.56%) jQuery
4 1 (5.56%) JSON
4 1 (5.56%) Natural Language Processing
4 1 (5.56%) Node.js
4 1 (5.56%) RabbitMQ
4 1 (5.56%) Regular Expression
4 1 (5.56%) Spring
4 1 (5.56%) Spring MVC
4 1 (5.56%) STL
Miscellaneous
1 3 (16.67%) Enterprise Software
2 2 (11.11%) Algorithms
2 2 (11.11%) Computer Science
3 1 (5.56%) Analytical Skills
3 1 (5.56%) Data Structures
3 1 (5.56%) Device Driver
3 1 (5.56%) Fintech
3 1 (5.56%) Virtual Team
Operating Systems
1 6 (33.33%) Android
1 6 (33.33%) Apple iOS
2 4 (22.22%) Linux
3 1 (5.56%) Unix
Processes & Methodologies
1 14 (77.78%) Agile Software Development
2 11 (61.11%) TDD
3 10 (55.56%) DevOps
3 10 (55.56%) Multithreading
4 9 (50.00%) Coaching
4 9 (50.00%) Concurrent Programming
4 9 (50.00%) Continuous Integration
4 9 (50.00%) DSDM
4 9 (50.00%) Kanban
4 9 (50.00%) Mentoring
4 9 (50.00%) OO
4 9 (50.00%) RUP
4 9 (50.00%) Scrum
4 9 (50.00%) Software Delivery
4 9 (50.00%) UML
4 9 (50.00%) Web Development
5 6 (33.33%) Mobile Development
6 3 (16.67%) Configuration Management
6 3 (16.67%) Migration
6 3 (16.67%) Waterfall
Programming Languages
1 15 (83.33%) Python
2 12 (66.67%) Perl
3 11 (61.11%) Java
4 9 (50.00%) Bash Shell
4 9 (50.00%) Go
5 8 (44.44%) JavaScript
6 6 (33.33%) C#
7 3 (16.67%) PHP
8 2 (11.11%) Scala
8 2 (11.11%) SQL
9 1 (5.56%) C
9 1 (5.56%) C++
9 1 (5.56%) CoffeeScript
9 1 (5.56%) R
Qualifications
1 1 (5.56%) Degree
1 1 (5.56%) PhD
System Software
1 1 (5.56%) Docker
1 1 (5.56%) Firmware
1 1 (5.56%) Virtual Machines
1 1 (5.56%) VirtualBox
Systems Management
1 9 (50.00%) Ansible
1 9 (50.00%) Kibana
1 9 (50.00%) logstash
1 9 (50.00%) Opscode Chef
1 9 (50.00%) Puppet
1 9 (50.00%) Salt
2 1 (5.56%) Kubernetes
2 1 (5.56%) Mesos
Vendors
1 9 (50.00%) Oracle
2 1 (5.56%) Cloudera
2 1 (5.56%) Hortonworks
2 1 (5.56%) IBM
City, London
Oliver Bernard
Salary: £60000 - £70000 per annum + Excellent benefits
Posted: 1 hour ago
City, London
Harvey Nash plc
Salary: £76400 per annum
Posted: 4 hours ago