Period
to 18 November 2017

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Lucene skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Lucene over the 6 months to 18 November 2017 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 Lucene
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 552 582 560
Rank change year-on-year +30 -22 +3
Contract jobs citing Lucene 74 37 57
As % of all contract IT jobs advertised in London 0.16% 0.082% 0.12%
As % of the Libraries, Frameworks & Software Standards category 0.43% 0.24% 0.38%
Number of daily rates quoted 60 25 36
London median daily rate £475 £500 £438
Median daily rate % change year-on-year -5.00% +14.29% -
10th Percentile £412 £377 £300
90th Percentile £638 £595 £571
England median daily rate £475 £500 £425
% change year-on-year -5.00% +17.65% +4.62%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Lucene is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17269 15562 15183
As % of all contract IT jobs advertised in London 37.10% 34.40% 32.19%
Number of daily rates quoted 13196 11655 11304
London median daily rate £500 £463 £450
Median daily rate % change year-on-year +8.11% +2.78% +5.88%
10th Percentile £350 £319 £308
90th Percentile £650 £625 £625
England median daily rate £463 £425 £413
% change year-on-year +8.82% +3.03% +3.13%
Number of hourly rates quoted 101 72 92
London median hourly rate £35.00 £40.00 £37.50
Median hourly rate % change year-on-year -12.50% +6.67% +7.14%
10th Percentile £19.00 £19.23 £14.25
90th Percentile £50.00 £57.44 £58.75
England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +9.49%

Lucene
Job Vacancy Trend in London

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

Job vacancy trend for Lucene in London

Lucene
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Lucene in London.

Contractor daily rate trend for Lucene in London

Lucene
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Lucene in London over the 6 months to 18 November 2017.

Contractor daily rate histogram for Lucene in London

Lucene
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Lucene within the London region over the 6 months to 18 November 2017. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
East London +2 10 £700 +21.74%
Central London - 9 £475 -
Lucene
England

For the 6 months to 18 November 2017, IT contractor jobs citing Lucene also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Lucene.

1 46 (62.16%) Elasticsearch
2 45 (60.81%) Apache Solr
3 39 (52.70%) Java
4 35 (47.30%) C#
4 35 (47.30%) Agile Software Development
5 31 (41.89%) MongoDB
6 30 (40.54%) Python
7 27 (36.49%) .NET
7 27 (36.49%) NoSQL
8 25 (33.78%) SQL
9 24 (32.43%) Big Data
10 23 (31.08%) TDD
11 22 (29.73%) Finance
12 21 (28.38%) Apache Spark
12 21 (28.38%) Microsoft Azure
13 20 (27.03%) Hadoop
13 20 (27.03%) Docker
14 19 (25.68%) Spring
15 18 (24.32%) MapReduce
15 18 (24.32%) Apache Hive
16 17 (22.97%) Scala
16 17 (22.97%) Apache Cassandra
16 17 (22.97%) Amazon AWS
16 17 (22.97%) Machine Learning
16 17 (22.97%) AngularJS
16 17 (22.97%) JavaScript
16 17 (22.97%) Linux
17 16 (21.62%) Algorithms
18 15 (20.27%) Kafka
18 15 (20.27%) Open Source

Lucene
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 46 (62.16%) Elasticsearch
2 45 (60.81%) Apache Solr
3 21 (28.38%) Apache Spark
4 13 (17.57%) Apache
5 10 (13.51%) Apache Pig
6 3 (4.05%) CMS
7 2 (2.70%) Adobe Experience Manager
7 2 (2.70%) IBM Domino
7 2 (2.70%) MQSeries
7 2 (2.70%) OpenStack
7 2 (2.70%) Oracle Workflow
7 2 (2.70%) SAS
7 2 (2.70%) SharePoint
7 2 (2.70%) Umbraco
8 1 (1.35%) Confluence
8 1 (1.35%) Drupal
8 1 (1.35%) EPiServer
8 1 (1.35%) Liferay
8 1 (1.35%) Moodle
8 1 (1.35%) Sitecore CMS
Applications
1 2 (2.70%) Microsoft Office
1 2 (2.70%) SPSS
1 2 (2.70%) Weka
Cloud Services
1 21 (28.38%) Microsoft Azure
2 17 (22.97%) Amazon AWS
3 11 (14.86%) Amazon EC2
4 3 (4.05%) Algolia
5 2 (2.70%) Amazon S3
5 2 (2.70%) Amazon SQS
5 2 (2.70%) AWS Lambda
5 2 (2.70%) Office 365
5 2 (2.70%) Serverless
Communications & Networking
1 2 (2.70%) LDAP
1 2 (2.70%) S/MIME
1 2 (2.70%) SNA
2 1 (1.35%) Kerberos
2 1 (1.35%) SSL
Database & Business Intelligence
1 31 (41.89%) MongoDB
2 27 (36.49%) NoSQL
3 24 (32.43%) Big Data
4 20 (27.03%) Hadoop
5 18 (24.32%) Apache Hive
6 17 (22.97%) Apache Cassandra
7 12 (16.22%) Impala
8 11 (14.86%) Data Mining
9 10 (13.51%) Data Warehouse
9 10 (13.51%) MarkLogic
9 10 (13.51%) Relational Database
9 10 (13.51%) Riak
10 8 (10.81%) Blockchain
10 8 (10.81%) HBase
11 7 (9.46%) SQL Server
12 6 (8.11%) MySQL
13 4 (5.41%) CouchDB
14 3 (4.05%) Pentaho
14 3 (4.05%) SQL Server 2008
14 3 (4.05%) SQL Server 2012
Development Applications
1 11 (14.86%) Git (software)
2 7 (9.46%) Maven
3 6 (8.11%) Jenkins
3 6 (8.11%) Visual Studio
4 5 (6.76%) Cucumber
4 5 (6.76%) Mockito
4 5 (6.76%) Selenium
5 4 (5.41%) Eclipse
5 4 (5.41%) Subversion
6 3 (4.05%) JUnit
6 3 (4.05%) Moq
6 3 (4.05%) MSTest
6 3 (4.05%) NUnit
6 3 (4.05%) Octopus Deploy
6 3 (4.05%) Team Foundation Server
6 3 (4.05%) TeamCity
7 2 (2.70%) EasyMock
7 2 (2.70%) Gradle
7 2 (2.70%) JIRA
7 2 (2.70%) Mercurial
General
1 22 (29.73%) Finance
2 8 (10.81%) Games
2 8 (10.81%) Legal
3 7 (9.46%) Banking
4 4 (5.41%) Investment Banking
5 2 (2.70%) Law
5 2 (2.70%) Publishing
6 1 (1.35%) Retail
Job Titles
1 62 (83.78%) Developer
2 20 (27.03%) Java Developer
3 15 (20.27%) .NET Developer
4 14 (18.92%) C# Developer
5 13 (17.57%) Big Data Developer
6 9 (12.16%) Lead Developer
7 8 (10.81%) Elasticsearch Developer
8 6 (8.11%) Lucene Developer
9 5 (6.76%) Lead Java Developer
10 4 (5.41%) Scala Developer
10 4 (5.41%) Solr Developer
11 3 (4.05%) Analyst
11 3 (4.05%) Big Data Engineer
11 3 (4.05%) Business Analyst
11 3 (4.05%) C# .NET Developer
11 3 (4.05%) Senior Developer
11 3 (4.05%) SEO Analyst
12 2 (2.70%) Lead C# Developer
12 2 (2.70%) SEO Specialist
12 2 (2.70%) Software Engineer
Libraries, Frameworks & Software Standards
1 27 (36.49%) .NET
2 19 (25.68%) Spring
3 17 (22.97%) AngularJS
4 15 (20.27%) Hibernate
4 15 (20.27%) Kafka
5 14 (18.92%) Natural Language Processing
6 13 (17.57%) CSS
6 13 (17.57%) HTML
7 12 (16.22%) ASP.NET
7 12 (16.22%) JMS
8 10 (13.51%) jQuery
9 9 (12.16%) ASP.NET MVC
9 9 (12.16%) ASP.NET Web API
10 8 (10.81%) Play Framework
10 8 (10.81%) Spring Boot
10 8 (10.81%) Twitter Bootstrap
11 7 (9.46%) JSON
11 7 (9.46%) XML
12 6 (8.11%) Protocol Buffers
13 5 (6.76%) Spring Batch
Miscellaneous
1 16 (21.62%) Algorithms
2 12 (16.22%) Analytical Skills
3 9 (12.16%) Replication
4 8 (10.81%) Fintech
4 8 (10.81%) Mobile App
5 6 (8.11%) Data Structures
6 4 (5.41%) Computer Science
7 3 (4.05%) Greenfield Project
8 2 (2.70%) Linux Command Line
8 2 (2.70%) Social Network
9 1 (1.35%) Foreign Exchange (FX)
9 1 (1.35%) Reference Data
9 1 (1.35%) Tandem
Operating Systems
1 17 (22.97%) Linux
2 15 (20.27%) Unix
3 9 (12.16%) CentOS
3 9 (12.16%) Red Hat Enterprise Linux
4 4 (5.41%) Windows
5 3 (4.05%) Ubuntu
6 2 (2.70%) Windows Server
6 2 (2.70%) Windows Server 2008
7 1 (1.35%) Mac OS X
Processes & Methodologies
1 35 (47.30%) Agile Software Development
2 23 (31.08%) TDD
3 18 (24.32%) MapReduce
4 17 (22.97%) Machine Learning
5 15 (20.27%) Open Source
5 15 (20.27%) Scrum
6 13 (17.57%) BDD
6 13 (17.57%) Web Development
7 12 (16.22%) Data Analysis
7 12 (16.22%) MVC
7 12 (16.22%) Software Engineering
8 11 (14.86%) Information Retrieval
8 11 (14.86%) Mathematics
8 11 (14.86%) Visualisation
9 10 (13.51%) Statistical Modelling
10 9 (12.16%) Data Visualisation
10 9 (12.16%) ETL
10 9 (12.16%) Mathematical Modelling
10 9 (12.16%) OOP
10 9 (12.16%) SOLID
Programming Languages
1 39 (52.70%) Java
2 35 (47.30%) C#
3 30 (40.54%) Python
4 25 (33.78%) SQL
5 17 (22.97%) JavaScript
5 17 (22.97%) Scala
6 15 (20.27%) Bash Shell
7 12 (16.22%) Perl
8 11 (14.86%) R
9 8 (10.81%) Shell Script
10 3 (4.05%) TypeScript
11 2 (2.70%) AWK
11 2 (2.70%) C
11 2 (2.70%) PowerShell
11 2 (2.70%) sed
12 1 (1.35%) SPARQL
12 1 (1.35%) T-SQL
12 1 (1.35%) VB.NET
Qualifications
1 6 (8.11%) Degree
2 4 (5.41%) PhD
2 4 (5.41%) Sun Certification
3 2 (2.70%) Master's Degree
3 2 (2.70%) Microsoft Certification
4 1 (1.35%) Computer Science Degree
4 1 (1.35%) Numerate Degree
Quality Assurance & Compliance
1 2 (2.70%) QA
System Software
1 20 (27.03%) Docker
2 5 (6.76%) HDFS
3 3 (4.05%) Apache ZooKeeper
4 2 (2.70%) Active Directory
4 2 (2.70%) Apache Flume
Systems Management
1 12 (16.22%) Hadoop YARN
2 4 (5.41%) Kubernetes
3 3 (4.05%) Ansible
3 3 (4.05%) Apache Slider
3 3 (4.05%) Mesos
4 2 (2.70%) FTK
5 1 (1.35%) Prometheus
5 1 (1.35%) Rancher
5 1 (1.35%) Terraform
Vendors
1 6 (8.11%) Cloudera
1 6 (8.11%) Tableau
2 5 (6.76%) Hortonworks
2 5 (6.76%) Microsoft
3 3 (4.05%) Google
4 2 (2.70%) Adobe
4 2 (2.70%) IBM
4 2 (2.70%) MapR
4 2 (2.70%) Nuix
4 2 (2.70%) Oracle
4 2 (2.70%) Palantir
5 1 (1.35%) Sitecore
5 1 (1.35%) Sybase