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 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Apache Lucene
UK
Rank 555 595 579
Rank change year-on-year +40 -16  
Contract jobs citing Lucene 31 35 33
As % of all contract IT jobs advertised in the UK 0.070% 0.066% 0.063%
As % of the Libraries, Frameworks & Software Standards category 0.22% 0.24% 0.24%
Number of daily rates quoted 18 23 22
Median daily rate £535 £450 £538
Median daily rate % change year-on-year +18.88% -16.27%  
90% offered a daily rate of more than £399 £375 £382
10% offered a daily rate of more than £615 £495 £600
UK excluding London median daily rate £525 £438 £400
% change year-on-year +20.00% +9.37%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 13899 14787 13862
As % of all contract IT job vacancies advertised in the UK 31.29% 28.00% 26.54%
Number of daily rates quoted 9628 10237 8968
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £278
10% offered a daily rate of more than £570 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 174 227 188
Median hourly rate £42.50 £38.00 £35.00
Median hourly rate % change year-on-year +11.84% +8.57%  
90% offered a hourly rate of more than £17.01 £15.00 £20.00
10% offered a hourly rate of more than £55.00 £57.75 £47.00
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

Lucene
Job Vacancy Trend

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

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 3 months to 22 March 2017.

Contractor daily rate histogram for Lucene in the UK

Lucene
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Lucene in the UK

Lucene
Top 16 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 3 months to 22 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +41 25 £525 +21.73% 24
London +6 15 £550 +22.22% 11
South West +3 6 £510 +20.00%
Dorset +6 5 £510 +20.00%
Bournemouth +7 4 £510 +18.26%
Glasgow - 4 £650 -
Scotland - 4 £650 -
South East - 2 - - 5
Buckinghamshire - 2 - -
Milton Keynes - 2 - -
West Midlands +19 1 £600 -
Birmingham - 1 £600 -
Northampton - 1 £525 -
Northamptonshire - 1 £525 - 1
Wiltshire - 1 - -
East Midlands - 1 £525 - 1

Lucene
Top 30 Related IT Skills

For the 6 months to 22 March 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 72 (86.75%) Apache Solr
2 46 (55.42%) Agile Software Development
2 46 (55.42%) Java
3 42 (50.60%) SQL
4 41 (49.40%) JavaScript
5 40 (48.19%) Apache
6 38 (45.78%) Web Services
7 36 (43.37%) HTML
8 35 (42.17%) CSS
9 34 (40.96%) RESTful
10 32 (38.55%) XML
11 31 (37.35%) SOAP
12 30 (36.14%) OO
12 30 (36.14%) Adobe
12 30 (36.14%) Ajax
12 30 (36.14%) jQuery
12 30 (36.14%) Adobe Experience Manager
13 28 (33.73%) JSON
14 27 (32.53%) NoSQL
14 27 (32.53%) OOD
15 26 (31.33%) MongoDB
15 26 (31.33%) RabbitMQ
15 26 (31.33%) Apache Sling
15 26 (31.33%) Apache Felix
16 25 (30.12%) OSGi
17 24 (28.92%) Hadoop
18 21 (25.30%) Unix
19 20 (24.10%) Data Analysis
19 20 (24.10%) Bash Shell
19 20 (24.10%) Big Data

Lucene
Top Related 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 72 (86.75%) Apache Solr
2 40 (48.19%) Apache
3 30 (36.14%) Adobe Experience Manager
4 20 (24.10%) Apache Spark
5 18 (21.69%) Elasticsearch
6 12 (14.46%) Apache Pig
7 10 (12.05%) CMS
8 5 (6.02%) Tomcat
9 4 (4.82%) Jetty
9 4 (4.82%) Mule
9 4 (4.82%) Mule ESB
9 4 (4.82%) SharePoint
9 4 (4.82%) WebLogic Portal
10 3 (3.61%) Oracle SOA Suite
10 3 (3.61%) WebLogic
10 3 (3.61%) WebSphere
11 2 (2.41%) Drupal
11 2 (2.41%) JBoss
11 2 (2.41%) WebSphere Application Server
12 1 (1.20%) nginx
Cloud Services
1 11 (13.25%) Amazon AWS
2 5 (6.02%) Amazon EC2
3 4 (4.82%) Microsoft Azure
4 2 (2.41%) Google Analytics
4 2 (2.41%) Google Checkout
5 1 (1.20%) Amazon S3
5 1 (1.20%) Amazon SQS
5 1 (1.20%) AWS CloudFormation
5 1 (1.20%) GitHub
Communications & Networking
1 2 (2.41%) Intranet
Database & Business Intelligence
1 27 (32.53%) NoSQL
2 26 (31.33%) MongoDB
3 24 (28.92%) Hadoop
4 20 (24.10%) Big Data
5 19 (22.89%) Apache Cassandra
6 18 (21.69%) Apache Hive
7 17 (20.48%) Data Warehouse
8 13 (15.66%) MarkLogic
8 13 (15.66%) MySQL
8 13 (15.66%) Riak
9 12 (14.46%) Impala
10 11 (13.25%) Data Mining
11 8 (9.64%) Pentaho
12 7 (8.43%) Endeca
13 6 (7.23%) HBase
14 5 (6.02%) Data Lake
14 5 (6.02%) OLAP
14 5 (6.02%) OLTP
14 5 (6.02%) Oracle OLAP
14 5 (6.02%) SQL Server
Development Applications
1 16 (19.28%) Git (software)
2 11 (13.25%) Jenkins
3 5 (6.02%) Maven
3 5 (6.02%) Subversion
4 4 (4.82%) ERwin
4 4 (4.82%) MagicDraw
5 3 (3.61%) Eclipse
6 2 (2.41%) Ant
6 2 (2.41%) Hudson
6 2 (2.41%) JIRA
7 1 (1.20%) Gradle
7 1 (1.20%) Selenium
General
1 11 (13.25%) Finance
2 7 (8.43%) Banking
3 4 (4.82%) Legal
3 4 (4.82%) Retail
4 2 (2.41%) Wholesale Banking
5 1 (1.20%) Automotive
5 1 (1.20%) Front Office
5 1 (1.20%) Publishing
Job Titles
1 47 (56.63%) Developer
2 17 (20.48%) Java Developer
3 9 (10.84%) Architect
4 8 (9.64%) Data Scientist
5 7 (8.43%) DevOps Engineer
6 5 (6.02%) Big Data Engineer
6 5 (6.02%) Senior Developer
6 5 (6.02%) Senior Java Developer
6 5 (6.02%) Software Engineer
7 4 (4.82%) AWS Engineer
7 4 (4.82%) Data Engineer
7 4 (4.82%) Java Engineer
7 4 (4.82%) Senior Software Engineer
8 3 (3.61%) Applications Developer
8 3 (3.61%) AWS DevOps
8 3 (3.61%) Data Architect
8 3 (3.61%) Lead Developer
8 3 (3.61%) SOA Architect
8 3 (3.61%) Solutions Architect
9 2 (2.41%) Agile Developer
Libraries, Frameworks & Software Standards
1 38 (45.78%) Web Services
2 36 (43.37%) HTML
3 35 (42.17%) CSS
4 34 (40.96%) RESTful
5 32 (38.55%) XML
6 31 (37.35%) SOAP
7 30 (36.14%) Ajax
7 30 (36.14%) jQuery
8 28 (33.73%) JSON
9 26 (31.33%) Apache Felix
9 26 (31.33%) Apache Sling
9 26 (31.33%) RabbitMQ
10 25 (30.12%) OSGi
11 19 (22.89%) Spring
12 18 (21.69%) Kafka
13 15 (18.07%) Hibernate
14 11 (13.25%) Natural Language Processing
15 9 (10.84%) JMS
16 6 (7.23%) HTML5
17 5 (6.02%) Spring MVC
Miscellaneous
1 15 (18.07%) Analytical Skills
2 5 (6.02%) Reference Data
2 5 (6.02%) Taxonomies
3 4 (4.82%) PKI
4 3 (3.61%) Algorithms
4 3 (3.61%) iPad
4 3 (3.61%) Replication
4 3 (3.61%) Virtual Team
5 2 (2.41%) Data Structures
5 2 (2.41%) Management Information System
Operating Systems
1 21 (25.30%) Unix
2 16 (19.28%) Linux
3 3 (3.61%) Android
3 3 (3.61%) Apple iOS
3 3 (3.61%) CentOS
3 3 (3.61%) Red Hat Enterprise Linux
4 1 (1.20%) Solaris
Processes & Methodologies
1 46 (55.42%) Agile Software Development
2 30 (36.14%) OO
3 27 (32.53%) OOD
4 20 (24.10%) Data Analysis
5 18 (21.69%) MapReduce
5 18 (21.69%) Open Source
6 12 (14.46%) ETL
6 12 (14.46%) Statistical Modelling
7 9 (10.84%) DevOps
8 8 (9.64%) Data Modelling
9 7 (8.43%) Cluster Analysis
9 7 (8.43%) Continuous Integration
9 7 (8.43%) Data Extraction
9 7 (8.43%) E-Commerce
9 7 (8.43%) MVC
9 7 (8.43%) SOA
10 6 (7.23%) Build Automation
10 6 (7.23%) Software Engineering
10 6 (7.23%) TDD
11 5 (6.02%) Data Management
Programming Languages
1 46 (55.42%) Java
2 42 (50.60%) SQL
3 41 (49.40%) JavaScript
4 20 (24.10%) Bash Shell
5 19 (22.89%) Python
6 14 (16.87%) Scala
7 13 (15.66%) Perl
8 12 (14.46%) R
9 6 (7.23%) C#
10 3 (3.61%) PHP
11 2 (2.41%) Ruby
11 2 (2.41%) SPARQL
12 1 (1.20%) C++
12 1 (1.20%) COBOL
12 1 (1.20%) Go
12 1 (1.20%) Shell Script
Qualifications
1 1 (1.20%) SC Cleared
1 1 (1.20%) Security Cleared
Quality Assurance & Compliance
1 5 (6.02%) Data Quality
System Software
1 7 (8.43%) Docker
2 6 (7.23%) HDFS
3 2 (2.41%) GlusterFS
3 2 (2.41%) Varnish
Systems Management
1 18 (21.69%) Hadoop YARN
2 8 (9.64%) Opscode Chef
3 7 (8.43%) Puppet
4 6 (7.23%) Nagios
5 4 (4.82%) CA Single Sign-On
5 4 (4.82%) OpenSSO
6 2 (2.41%) Piwik
7 1 (1.20%) Ansible
7 1 (1.20%) Kibana
7 1 (1.20%) logstash
7 1 (1.20%) Packer
7 1 (1.20%) Salt
Vendors
1 30 (36.14%) Adobe
2 13 (15.66%) Oracle
3 5 (6.02%) Informatica
4 4 (4.82%) Apigee
4 4 (4.82%) ATG
4 4 (4.82%) BEA
5 3 (3.61%) Google
6 2 (2.41%) Coremetrics
6 2 (2.41%) hybris
6 2 (2.41%) PayPal
7 1 (1.20%) EMC
7 1 (1.20%) FatWire
7 1 (1.20%) Sun