Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies 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 21 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
UK
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 776 824 804
Rank change year-on-year +48 -20 -1
Contract jobs citing Lucene 101 57 84
As % of all contract IT jobs advertised in the UK 0.098% 0.054% 0.074%
As % of the Libraries, Frameworks & Software Standards category 0.31% 0.18% 0.26%
Number of daily rates quoted 73 40 54
UK median daily rate £475 £500 £425
Median daily rate % change year-on-year -5.00% +17.65% +6.25%
10th Percentile £406 £359 £266
90th Percentile £625 £588 £562
UK excluding London median daily rate £433 £500 £385
% change year-on-year -13.50% +29.87% +23.20%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London 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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 33044 31776 32166
As % of all contract IT jobs advertised in the UK 32.04% 30.34% 28.32%
Number of daily rates quoted 23329 22020 22052
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 380 363 552
UK median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +8.70%
10th Percentile £18.45 £14.36 £15.00
90th Percentile £52.50 £51.60 £55.00
UK excluding London median hourly rate £41.00 £37.00 £37.50
% change year-on-year +10.81% -1.33% +10.74%

Lucene
Job Vacancy Trend

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

Job vacancy trend for Lucene in the UK

Lucene
Contractor Daily Rate Trend

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

Contractor daily rate trend for Lucene in the UK

Lucene
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Lucene over the 6 months to 21 November 2017.

Contractor daily rate histogram for Lucene in the UK

Lucene
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Lucene.

Contractor hourly rate trend for Lucene in the UK

Lucene
Top 12 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Lucene within the UK over the 6 months to 21 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
England +57 98 £475 -5.00% 8
London +18 75 £475 -5.00% 1
UK excluding London +25 26 £433 -13.50% 7
South East -5 9 £342 -31.60% 5
Midlands +26 7 £510 -2.86%
North of England +56 5 £433 -13.50%
East Midlands +4 5 - -
Yorkshire - 5 £433 -
Wales - 3 £450 -
West Midlands - 2 £510 -
East of England -6 1 £525 +75.00%
South West - 1 - - 2

For the 6 months to 21 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 with a requirement for Lucene.

1 64 (63.37%) Java
2 57 (56.44%) Apache Solr
3 53 (52.48%) Elasticsearch
4 46 (45.54%) Agile Software Development
5 39 (38.61%) JavaScript
6 38 (37.62%) C#
7 33 (32.67%) Python
7 33 (32.67%) NoSQL
8 32 (31.68%) MongoDB
8 32 (31.68%) .NET
8 32 (31.68%) Linux
9 31 (30.69%) SQL
9 31 (30.69%) Spring
10 29 (28.71%) Docker
11 28 (27.72%) TDD
12 27 (26.73%) Finance
13 26 (25.74%) AngularJS
14 25 (24.75%) Unix
15 24 (23.76%) Hibernate
15 24 (23.76%) Big Data
16 23 (22.77%) CSS
17 22 (21.78%) Web Services
17 22 (21.78%) Microsoft Azure
18 21 (20.79%) MVC
18 21 (20.79%) Apache Spark
19 20 (19.80%) Amazon AWS
19 20 (19.80%) Hadoop
20 19 (18.81%) Open Source
20 19 (18.81%) Maven
20 19 (18.81%) Scrum

Lucene
Co-occurring IT Skills 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 57 (56.44%) Apache Solr
2 53 (52.48%) Elasticsearch
3 21 (20.79%) Apache Spark
4 18 (17.82%) Apache
5 10 (9.90%) Apache Pig
6 6 (5.94%) SharePoint
6 6 (5.94%) Tomcat
7 5 (4.95%) Oracle SOA Suite
7 5 (4.95%) WebLogic
7 5 (4.95%) WebSphere
7 5 (4.95%) WebSphere Application Server
8 4 (3.96%) JBoss
9 3 (2.97%) CMS
10 2 (1.98%) Adobe Experience Manager
10 2 (1.98%) IBM Domino
10 2 (1.98%) MQSeries
10 2 (1.98%) OpenStack
10 2 (1.98%) Oracle Workflow
10 2 (1.98%) SAS
10 2 (1.98%) Umbraco
Applications
1 2 (1.98%) Microsoft Office
1 2 (1.98%) SPSS
1 2 (1.98%) Weka
Cloud Services
1 22 (21.78%) Microsoft Azure
2 20 (19.80%) Amazon AWS
3 14 (13.86%) Amazon EC2
4 5 (4.95%) Amazon S3
4 5 (4.95%) Google Analytics
4 5 (4.95%) Google Checkout
5 3 (2.97%) Algolia
6 2 (1.98%) Amazon SQS
6 2 (1.98%) AWS Lambda
6 2 (1.98%) Office 365
6 2 (1.98%) Serverless
Communications & Networking
1 4 (3.96%) LDAP
2 3 (2.97%) AMQP
3 2 (1.98%) S/MIME
3 2 (1.98%) SNA
4 1 (0.99%) Kerberos
4 1 (0.99%) SSL
Database & Business Intelligence
1 33 (32.67%) NoSQL
2 32 (31.68%) MongoDB
3 24 (23.76%) Big Data
4 20 (19.80%) Hadoop
5 18 (17.82%) Apache Hive
6 17 (16.83%) Apache Cassandra
7 16 (15.84%) Relational Database
8 12 (11.88%) Impala
9 11 (10.89%) Data Mining
9 11 (10.89%) Riak
10 10 (9.90%) Data Warehouse
10 10 (9.90%) MarkLogic
11 9 (8.91%) SQL Server
12 8 (7.92%) Blockchain
12 8 (7.92%) HBase
12 8 (7.92%) MySQL
13 5 (4.95%) Endeca
14 4 (3.96%) CouchDB
14 4 (3.96%) EDRMS
15 3 (2.97%) Pentaho
Development Applications
1 19 (18.81%) Maven
2 16 (15.84%) Git (software)
3 15 (14.85%) Jenkins
4 12 (11.88%) Subversion
5 10 (9.90%) JIRA
6 9 (8.91%) Eclipse
7 8 (7.92%) Ant
7 8 (7.92%) Mockito
8 6 (5.94%) Gradle
8 6 (5.94%) Hudson
8 6 (5.94%) JUnit
8 6 (5.94%) Visual Studio
9 5 (4.95%) Cucumber
9 5 (4.95%) Selenium
10 3 (2.97%) IntelliJ
10 3 (2.97%) Moq
10 3 (2.97%) MSTest
10 3 (2.97%) NUnit
10 3 (2.97%) Team Foundation Server
10 3 (2.97%) TeamCity
General
1 27 (26.73%) Finance
2 12 (11.88%) Legal
3 8 (7.92%) Banking
3 8 (7.92%) Games
4 6 (5.94%) Retail
5 5 (4.95%) Investment Banking
6 2 (1.98%) Law
6 2 (1.98%) Publishing
7 1 (0.99%) Retail Banking
Job Titles
1 84 (83.17%) Developer
2 32 (31.68%) Java Developer
3 17 (16.83%) .NET Developer
4 15 (14.85%) C# Developer
5 13 (12.87%) Big Data Developer
6 9 (8.91%) Lead Developer
7 8 (7.92%) Elasticsearch Developer
8 6 (5.94%) Lucene Developer
8 6 (5.94%) Software Developer
9 5 (4.95%) Lead Java Developer
9 5 (4.95%) Senior Developer
9 5 (4.95%) Solr Developer
9 5 (4.95%) Systems Developer
10 4 (3.96%) Applications Developer
10 4 (3.96%) C# .NET Developer
10 4 (3.96%) Scala Developer
11 3 (2.97%) Analyst
11 3 (2.97%) Business Analyst
11 3 (2.97%) Senior Java Developer
11 3 (2.97%) SEO Analyst
Libraries, Frameworks & Software Standards
1 32 (31.68%) .NET
2 31 (30.69%) Spring
3 26 (25.74%) AngularJS
4 24 (23.76%) Hibernate
5 23 (22.77%) CSS
6 22 (21.78%) Web Services
7 19 (18.81%) HTML
8 18 (17.82%) jQuery
8 18 (17.82%) Kafka
9 15 (14.85%) JMS
9 15 (14.85%) JSON
10 14 (13.86%) Natural Language Processing
11 13 (12.87%) ASP.NET
12 11 (10.89%) RESTful
13 10 (9.90%) Ajax
13 10 (9.90%) ASP.NET MVC
13 10 (9.90%) ASP.NET Web API
13 10 (9.90%) XML
14 9 (8.91%) React
14 9 (8.91%) Twitter Bootstrap
Miscellaneous
1 16 (15.84%) Algorithms
2 12 (11.88%) Analytical Skills
3 9 (8.91%) Mobile App
3 9 (8.91%) Replication
4 8 (7.92%) Fintech
5 6 (5.94%) Data Structures
6 5 (4.95%) Computer Science
7 3 (2.97%) Greenfield Project
8 2 (1.98%) Linux Command Line
8 2 (1.98%) Social Network
9 1 (0.99%) Foreign Exchange (FX)
9 1 (0.99%) Management Information System
9 1 (0.99%) Mobile Banking
9 1 (0.99%) Reference Data
9 1 (0.99%) Tandem
9 1 (0.99%) User Experience
Operating Systems
1 32 (31.68%) Linux
2 25 (24.75%) Unix
3 9 (8.91%) CentOS
3 9 (8.91%) Red Hat Enterprise Linux
4 4 (3.96%) Windows
5 3 (2.97%) Ubuntu
6 2 (1.98%) Mac OS X
6 2 (1.98%) Windows Server
6 2 (1.98%) Windows Server 2008
Processes & Methodologies
1 46 (45.54%) Agile Software Development
2 28 (27.72%) TDD
3 21 (20.79%) MVC
4 19 (18.81%) Open Source
4 19 (18.81%) Scrum
5 18 (17.82%) MapReduce
6 17 (16.83%) Continuous Integration
6 17 (16.83%) Machine Learning
7 16 (15.84%) Software Engineering
8 14 (13.86%) DevOps
8 14 (13.86%) Web Development
9 13 (12.87%) BDD
10 12 (11.88%) Data Analysis
10 12 (11.88%) Enterprise Search
10 12 (11.88%) Microservices
10 12 (11.88%) SOA
11 11 (10.89%) Information Retrieval
11 11 (10.89%) Mathematics
11 11 (10.89%) OOD
11 11 (10.89%) Visualisation
Programming Languages
1 64 (63.37%) Java
2 39 (38.61%) JavaScript
3 38 (37.62%) C#
4 33 (32.67%) Python
5 31 (30.69%) SQL
6 17 (16.83%) Scala
7 16 (15.84%) Bash Shell
8 15 (14.85%) Perl
9 11 (10.89%) R
10 8 (7.92%) Shell Script
11 3 (2.97%) PL/SQL
11 3 (2.97%) PowerShell
11 3 (2.97%) TypeScript
11 3 (2.97%) XPath
12 2 (1.98%) AWK
12 2 (1.98%) C
12 2 (1.98%) sed
13 1 (0.99%) Ruby
13 1 (0.99%) T-SQL
13 1 (0.99%) VB.NET
Qualifications
1 7 (6.93%) Degree
2 4 (3.96%) PhD
2 4 (3.96%) Security Cleared
2 4 (3.96%) Sun Certification
3 3 (2.97%) Master's Degree
3 3 (2.97%) SC Cleared
4 2 (1.98%) Microsoft Certification
5 1 (0.99%) Computer Science Degree
5 1 (0.99%) Numerate Degree
Quality Assurance & Compliance
1 2 (1.98%) QA
System Software
1 29 (28.71%) Docker
2 5 (4.95%) HDFS
3 4 (3.96%) Active Directory
4 3 (2.97%) Apache ZooKeeper
5 2 (1.98%) Apache Flume
Systems Management
1 12 (11.88%) Hadoop YARN
2 5 (4.95%) Opscode Chef
2 5 (4.95%) Puppet
3 4 (3.96%) Ansible
3 4 (3.96%) Kubernetes
4 3 (2.97%) Apache Slider
4 3 (2.97%) FTK
4 3 (2.97%) Mesos
5 1 (0.99%) Prometheus
5 1 (0.99%) Rancher
5 1 (0.99%) Terraform
Vendors
1 10 (9.90%) Oracle
2 9 (8.91%) Microsoft
3 8 (7.92%) Google
4 7 (6.93%) MuleSoft
5 6 (5.94%) Cloudera
5 6 (5.94%) IBM
5 6 (5.94%) Tableau
6 5 (4.95%) Coremetrics
6 5 (4.95%) Hortonworks
6 5 (4.95%) hybris
6 5 (4.95%) PayPal
7 4 (3.96%) WSO2
8 3 (2.97%) Nuix
9 2 (1.98%) Adobe
9 2 (1.98%) MapR
9 2 (1.98%) Palantir
10 1 (0.99%) Sitecore
10 1 (0.99%) Sybase