The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Apache Solr skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Solr over the 3 months to 24 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
24 Mar 2017
Same period 2016 Same period 2015
Apache Solr
London / City of London
Rank 149 156 177
Rank change year-on-year +7 +21  
Contract jobs citing Apache Solr 4 2 12
As % of all contract IT jobs advertised in the City of London 0.13% 0.061% 0.24%
As % of the Application Platforms category 0.70% 0.37% 1.45%
Number of daily rates quoted 4 1 11
Median daily rate £456 £425 £413
Median daily rate % change year-on-year +7.35% +3.03%  
90% offered a daily rate of more than £338 £425 £337
10% offered a daily rate of more than £593 £425 £600
UK excluding London median daily rate £431 £393 £474
% change year-on-year +9.87% -17.15%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract Application Platform Skills
City of London
Contract job vacancies with a requirement for application platform skills 574 539 828
As % of all contract IT job vacancies advertised in the City of London 18.93% 16.36% 16.40%
Number of daily rates quoted 447 400 611
Median daily rate £475 £439 £418
Median daily rate % change year-on-year +8.26% +5.08%  
90% offered a daily rate of more than £320 £313 £260
10% offered a daily rate of more than £625 £600 £550
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 2 8 21
Median hourly rate £28.67 £26.00 £22.00
Median hourly rate % change year-on-year +10.25% +18.18%  
90% offered a hourly rate of more than £22.34 £17.80 £14.57
10% offered a hourly rate of more than £35.00 £55.00 £25.00
UK excluding London median hourly rate £17.00 £17.50 £16.07
% change year-on-year -2.85% +8.89%  

Apache Solr
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Apache Solr as a proportion of all contract or permanent IT jobs with a match in the Application Platforms category.

Job vacancy trend for Apache Solr in the City of London

Apache Solr
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Solr in the City of London.

Contractor daily rate trend for Apache Solr in the City of London

Apache Solr
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Apache Solr in the City of London over the 3 months to 24 March 2017.

Contractor daily rate histogram for Apache Solr in the City of London

Apache Solr
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT contractor 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 contract ads across the City of London region with a requirement for Apache Solr.

1 8 (66.67%) HTML
2 7 (58.33%) JavaScript
2 7 (58.33%) Agile Software Development
2 7 (58.33%) JSON
3 6 (50.00%) jQuery
3 6 (50.00%) Java
3 6 (50.00%) CSS
4 5 (41.67%) Web Services
4 5 (41.67%) Apache
4 5 (41.67%) Banking
4 5 (41.67%) Hadoop
4 5 (41.67%) HBase
5 4 (33.33%) Big Data
5 4 (33.33%) Apache Hive
5 4 (33.33%) RESTful
5 4 (33.33%) Apache Spark
5 4 (33.33%) Ajax
5 4 (33.33%) Finance
5 4 (33.33%) SOAP
5 4 (33.33%) SQL
5 4 (33.33%) MySQL
6 3 (25.00%) PHP
6 3 (25.00%) XML
6 3 (25.00%) OOD
6 3 (25.00%) LAMP
6 3 (25.00%) Adobe
6 3 (25.00%) Lucene
6 3 (25.00%) Hadoop YARN
6 3 (25.00%) Relational Database
6 3 (25.00%) Kafka

Apache Solr
Top Related 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 5 (41.67%) Apache
2 4 (33.33%) Apache Spark
3 3 (25.00%) Adobe Experience Manager
4 2 (16.67%) Apache Pig
4 2 (16.67%) Elasticsearch
4 2 (16.67%) WordPress
5 1 (8.33%) Confluence
5 1 (8.33%) Drupal
Business Applications
1 1 (8.33%) SAP Oil and Gas
Cloud Services
1 1 (8.33%) Amazon AWS
Communications & Networking
1 2 (16.67%) SSL
2 1 (8.33%) HTTP
2 1 (8.33%) Kerberos
2 1 (8.33%) LDAP
2 1 (8.33%) TCP/IP
Database & Business Intelligence
1 5 (41.67%) Hadoop
1 5 (41.67%) HBase
2 4 (33.33%) Apache Hive
2 4 (33.33%) Big Data
2 4 (33.33%) MySQL
3 3 (25.00%) MongoDB
3 3 (25.00%) NoSQL
3 3 (25.00%) Relational Database
4 2 (16.67%) Apache Cassandra
4 2 (16.67%) Data Lake
4 2 (16.67%) Flink
4 2 (16.67%) Impala
4 2 (16.67%) PostgreSQL
4 2 (16.67%) RDBMS
5 1 (8.33%) MariaDB
5 1 (8.33%) Sqoop
Development Applications
1 2 (16.67%) Git (software)
1 2 (16.67%) Jenkins
2 1 (8.33%) Atlassian Bamboo
2 1 (8.33%) Gradle
2 1 (8.33%) JIRA
2 1 (8.33%) Subversion
2 1 (8.33%) Talend Open Studio
General
1 5 (41.67%) Banking
2 4 (33.33%) Finance
3 1 (8.33%) Electronics
3 1 (8.33%) Investment Banking
3 1 (8.33%) Manufacturing
3 1 (8.33%) Marketing
3 1 (8.33%) Telecoms
Job Titles
1 9 (75.00%) Developer
2 2 (16.67%) Big Data Engineer
2 2 (16.67%) Data Engineer
2 2 (16.67%) Java Developer
2 2 (16.67%) Java Engineer
2 2 (16.67%) Senior Developer
2 2 (16.67%) Senior Web Developer
2 2 (16.67%) Web Developer
3 1 (8.33%) Administrator
3 1 (8.33%) Apache Spark Developer
3 1 (8.33%) Applications Developer
3 1 (8.33%) Big Data Developer
3 1 (8.33%) Drupal Developer
3 1 (8.33%) Hadoop Administrator
3 1 (8.33%) Hadoop Developer
3 1 (8.33%) Java Hadoop Developer
3 1 (8.33%) Java Scala Developer
3 1 (8.33%) Linux Administrator
3 1 (8.33%) Scala Developer
3 1 (8.33%) Solr Developer
Libraries, Frameworks & Software Standards
1 8 (66.67%) HTML
2 7 (58.33%) JSON
3 6 (50.00%) CSS
3 6 (50.00%) jQuery
4 5 (41.67%) Web Services
5 4 (33.33%) Ajax
5 4 (33.33%) RESTful
5 4 (33.33%) SOAP
6 3 (25.00%) AngularJS
6 3 (25.00%) Apache Felix
6 3 (25.00%) Apache Sling
6 3 (25.00%) HTML5
6 3 (25.00%) Kafka
6 3 (25.00%) LAMP
6 3 (25.00%) Lucene
6 3 (25.00%) OSGi
6 3 (25.00%) RabbitMQ
6 3 (25.00%) Sass
6 3 (25.00%) XML
7 2 (16.67%) Spring
Miscellaneous
1 1 (8.33%) Analytical Skills
1 1 (8.33%) Computer Science
1 1 (8.33%) Fintech
Operating Systems
1 2 (16.67%) Linux
2 1 (8.33%) CentOS
2 1 (8.33%) Fedora
2 1 (8.33%) Red Hat Enterprise Linux
Processes & Methodologies
1 7 (58.33%) Agile Software Development
2 3 (25.00%) MapReduce
2 3 (25.00%) OO
2 3 (25.00%) OOD
3 2 (16.67%) API Integration
3 2 (16.67%) Machine Learning
3 2 (16.67%) Open Source
3 2 (16.67%) Responsive Web Design
3 2 (16.67%) Unit Testing
3 2 (16.67%) Web Design
3 2 (16.67%) Web Development
4 1 (8.33%) Business Intelligence
4 1 (8.33%) Continuous Integration
4 1 (8.33%) Data Management
4 1 (8.33%) Digital Marketing
4 1 (8.33%) MVC
4 1 (8.33%) OOP
4 1 (8.33%) Programme Management
4 1 (8.33%) Software Engineering
4 1 (8.33%) TDD
Programming Languages
1 7 (58.33%) JavaScript
2 6 (50.00%) Java
3 4 (33.33%) SQL
4 3 (25.00%) PHP
4 3 (25.00%) Scala
5 2 (16.67%) Python
6 1 (8.33%) Ruby
Qualifications
1 1 (8.33%) Degree
System Software
1 2 (16.67%) Docker
1 2 (16.67%) HDFS
2 1 (8.33%) Active Directory
2 1 (8.33%) Apache Flume
2 1 (8.33%) Apache ZooKeeper
Systems Management
1 3 (25.00%) Hadoop YARN
2 1 (8.33%) Kibana
2 1 (8.33%) Mesos
2 1 (8.33%) Oozie
Vendors
1 3 (25.00%) Adobe
2 2 (16.67%) Hortonworks
3 1 (8.33%) Alteryx
3 1 (8.33%) Cloudera
3 1 (8.33%) SAP
3 1 (8.33%) Tableau
3 1 (8.33%) Talend
City, London
Intrinsic Recruitment Ltd
Rate: Up to £500 per day + Bonus & Benefits
Posted: 4 days ago
City, London
Talent International
Rate: £350 - £500 per day
Posted: 4 days ago