The following table provides summary statistics for contract job vacancies 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 29 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.

Apache Solr
UK
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 509 579 539
Rank change year-on-year +70 -40  
Contract jobs citing Apache Solr 96 69 86
As % of all contract IT jobs advertised in the UK 0.21% 0.13% 0.16%
As % of the Application Platforms category 1.23% 0.74% 0.93%
Number of daily rates quoted 57 54 57
Median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88%  
90% offered a daily rate of more than £328 £330 £337
10% offered a daily rate of more than £600 £518 £602
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 with a requirement for application platform skills.

Contract Application Platform Skills
UK
Contract job vacancies with a requirement for application platform skills 7828 9271 9247
As % of all contract IT job vacancies advertised in the UK 17.31% 17.22% 17.30%
Number of daily rates quoted 5120 5927 5476
Median daily rate £425 £413 £400
Median daily rate % change year-on-year +3.03% +3.12%  
90% offered a daily rate of more than £270 £250 £250
10% offered a daily rate of more than £588 £563 £530
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 165 224 340
Median hourly rate £19.00 £19.00 £19.00
90% offered a hourly rate of more than £12.00 £10.00 £11.50
10% offered a hourly rate of more than £50.00 £50.00 £42.50
UK excluding London median hourly rate £17.50 £17.50 £16.50
% change year-on-year - +6.06%  

Apache Solr
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

Apache Solr
Contractor Daily Rate Trend

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

Contractor daily rate trend for Apache Solr in the UK

Apache Solr
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Apache Solr over the 3 months to 29 March 2017.

Contractor daily rate histogram for Apache Solr in the UK

Apache Solr
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Apache Solr in the UK

Apache Solr
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Apache Solr within the UK over the 3 months to 29 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 +70 87 £425 +6.25% 58
London +47 48 £425 -2.85% 32
South East +22 15 £351 -12.37% 8
Hampshire +21 9 £351 +0.14% 7
East Midlands +1 7 £513 -6.81% 1
South West -5 7 £510 +36.00%
Nottingham - 6 £525 -
Nottinghamshire - 6 £525 -
Scotland +31 5 £213 -41.78%
City of London 0 5 £425 - 8
Dorset - 5 £510 -
Glasgow - 4 £431 -
Bracknell - 4 £500 -
Bournemouth - 4 £510 -
Berkshire - 4 £500 -
North West +28 3 - - 2
West Yorkshire +14 3 £375 -16.66% 2
Yorkshire +13 3 £375 -16.66% 7
Leeds +5 3 £375 -16.66% 2
Manchester +17 2 - - 1
Basingstoke +6 2 £314 -10.28%
Surrey +1 2 - -
Southampton - 2 - -
Edinburgh +19 1 £213 -41.78%
Wiltshire +3 1 - -
Bristol +1 1 - -
East of England -3 1 - - 7
South Wales - 1 £213 - 3
Leicestershire - 1 £500 -
Cambridgeshire - 1 - - 6

For the 6 months to 29 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 with a requirement for Apache Solr.

1 101 (45.50%) Agile Software Development
2 80 (36.04%) JavaScript
3 75 (33.78%) Java
4 68 (30.63%) HTML
4 68 (30.63%) Elasticsearch
5 67 (30.18%) Lucene
6 66 (29.73%) Apache
7 65 (29.28%) CSS
8 64 (28.83%) Python
9 61 (27.48%) SQL
10 60 (27.03%) Hadoop
11 56 (25.23%) MongoDB
12 54 (24.32%) NoSQL
13 52 (23.42%) Web Services
14 48 (21.62%) Apache Spark
15 46 (20.72%) RESTful
16 45 (20.27%) Apache Hive
16 45 (20.27%) Kafka
16 45 (20.27%) Linux
17 44 (19.82%) jQuery
18 42 (18.92%) Big Data
19 41 (18.47%) XML
20 40 (18.02%) JSON
20 40 (18.02%) Amazon AWS
21 38 (17.12%) Apache Cassandra
21 38 (17.12%) SOAP
22 37 (16.67%) Ajax
22 37 (16.67%) MVC
23 35 (15.77%) Spring
24 34 (15.32%) RabbitMQ

Apache Solr
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 68 (30.63%) Elasticsearch
2 66 (29.73%) Apache
3 48 (21.62%) Apache Spark
4 33 (14.86%) Adobe Experience Manager
5 24 (10.81%) Apache Pig
6 17 (7.66%) CMS
7 15 (6.76%) Confluence
8 14 (6.31%) Drupal
9 12 (5.41%) nginx
9 12 (5.41%) WebSphere
10 10 (4.50%) Tomcat
11 7 (3.15%) Alfresco
11 7 (3.15%) JBoss
12 6 (2.70%) Mule
12 6 (2.70%) Sitecore CMS
13 5 (2.25%) Oracle SOA Suite
13 5 (2.25%) SharePoint
14 4 (1.80%) Mule ESB
14 4 (1.80%) OpenStack
14 4 (1.80%) WebLogic Portal
Applications
1 3 (1.35%) MS Excel
2 2 (0.90%) MS PowerPoint
3 1 (0.45%) MS Office
Business Applications
1 4 (1.80%) SAP Hybris
2 2 (0.90%) Magento
3 1 (0.45%) Oracle EBS
3 1 (0.45%) SAP Oil and Gas
3 1 (0.45%) SDL Web 8
Cloud Services
1 40 (18.02%) Amazon AWS
2 29 (13.06%) Microsoft Azure
3 6 (2.70%) Amazon EC2
3 6 (2.70%) IaaS
3 6 (2.70%) PaaS
4 4 (1.80%) Amazon S3
4 4 (1.80%) Cloud Computing
4 4 (1.80%) GitHub
5 3 (1.35%) Amazon SQS
6 2 (0.90%) Amazon CloudWatch
6 2 (0.90%) Amazon ElastiCache
6 2 (0.90%) AWS Lambda
6 2 (0.90%) CloudFront
7 1 (0.45%) AWS CloudFormation
7 1 (0.45%) SaaS
7 1 (0.45%) Sage Pay
7 1 (0.45%) Slack
7 1 (0.45%) Trello
Communications & Networking
1 5 (2.25%) Kerberos
2 4 (1.80%) DNS
2 4 (1.80%) HTTP
2 4 (1.80%) Skype
3 3 (1.35%) SSL
4 2 (0.90%) Internet
4 2 (0.90%) Intranet
4 2 (0.90%) LDAP
4 2 (0.90%) Network Security
5 1 (0.45%) LAN
5 1 (0.45%) SAN
5 1 (0.45%) TCP/IP
5 1 (0.45%) WAN
Database & Business Intelligence
1 60 (27.03%) Hadoop
2 56 (25.23%) MongoDB
3 54 (24.32%) NoSQL
4 45 (20.27%) Apache Hive
5 42 (18.92%) Big Data
6 38 (17.12%) Apache Cassandra
7 33 (14.86%) MySQL
8 29 (13.06%) Impala
9 27 (12.16%) HBase
9 27 (12.16%) SQL Server
10 24 (10.81%) Riak
11 19 (8.56%) Data Warehouse
12 14 (6.31%) Redis
13 13 (5.86%) MarkLogic
14 12 (5.41%) Relational Database
15 11 (4.95%) Data Lake
15 11 (4.95%) Data Mining
15 11 (4.95%) PostgreSQL
15 11 (4.95%) Sqoop
16 8 (3.60%) Endeca
Development Applications
1 32 (14.41%) Git (software)
2 17 (7.66%) CasperJS
2 17 (7.66%) PhantomJS
2 17 (7.66%) Selenium
3 16 (7.21%) JIRA
4 15 (6.76%) Jenkins
5 9 (4.05%) Maven
6 7 (3.15%) TeamCity
7 6 (2.70%) Atlassian Bamboo
8 5 (2.25%) Bitbucket
8 5 (2.25%) Eclipse
8 5 (2.25%) GoCD
8 5 (2.25%) Gradle
8 5 (2.25%) IntelliJ
8 5 (2.25%) Karma Test Runner
8 5 (2.25%) Mercurial
8 5 (2.25%) SonarQube
9 4 (1.80%) ERwin
9 4 (1.80%) JUnit
9 4 (1.80%) MagicDraw
General
1 31 (13.96%) Finance
2 21 (9.46%) Banking
3 4 (1.80%) Legal
3 4 (1.80%) Retail
4 3 (1.35%) Front Office
5 2 (0.90%) Manufacturing
5 2 (0.90%) Telecoms
5 2 (0.90%) Wholesale Banking
6 1 (0.45%) Advertising
6 1 (0.45%) Automotive
6 1 (0.45%) Billing
6 1 (0.45%) Electronics
6 1 (0.45%) German Language
6 1 (0.45%) Investment Banking
6 1 (0.45%) Marketing
6 1 (0.45%) Multimedia
Job Titles
1 106 (47.75%) Developer
2 27 (12.16%) Architect
3 26 (11.71%) Java Developer
4 17 (7.66%) Web Engineer
5 14 (6.31%) .NET Developer
6 13 (5.86%) Drupal Developer
7 12 (5.41%) Administrator
8 11 (4.95%) Data Scientist
8 11 (4.95%) Java Engineer
9 10 (4.50%) Hadoop Developer
10 9 (4.05%) C# .NET Developer
10 9 (4.05%) C# Developer
10 9 (4.05%) DevOps Engineer
10 9 (4.05%) Scala Developer
10 9 (4.05%) Senior Developer
11 8 (3.60%) Angular Developer
11 8 (3.60%) Big Data Engineer
11 8 (3.60%) Full Stack Developer
11 8 (3.60%) Technical Architect
12 7 (3.15%) Data Architect
Libraries, Frameworks & Software Standards
1 68 (30.63%) HTML
2 67 (30.18%) Lucene
3 65 (29.28%) CSS
4 52 (23.42%) Web Services
5 46 (20.72%) RESTful
6 45 (20.27%) Kafka
7 44 (19.82%) jQuery
8 41 (18.47%) XML
9 40 (18.02%) JSON
10 38 (17.12%) SOAP
11 37 (16.67%) Ajax
12 35 (15.77%) Spring
13 34 (15.32%) RabbitMQ
14 27 (12.16%) AngularJS
15 26 (11.71%) Apache Felix
15 26 (11.71%) Apache Sling
16 25 (11.26%) OSGi
16 25 (11.26%) REST
17 24 (10.81%) .NET
18 19 (8.56%) Node.js
Miscellaneous
1 25 (11.26%) Analytical Skills
2 12 (5.41%) Computer Science
3 9 (4.05%) Grid Computing
4 5 (2.25%) Management Information System
4 5 (2.25%) Mobile App
4 5 (2.25%) Reference Data
4 5 (2.25%) Replication
4 5 (2.25%) Taxonomies
5 4 (1.80%) Clustering
5 4 (1.80%) Data Structures
5 4 (1.80%) PKI
6 3 (1.35%) Algorithms
6 3 (1.35%) Distributed Denial-of-Service
6 3 (1.35%) iPad
6 3 (1.35%) Virtual Team
7 2 (0.90%) Digital Media
7 2 (0.90%) Enterprise Software
7 2 (0.90%) Private Cloud
8 1 (0.45%) DataPower
8 1 (0.45%) Smart Meter
Operating Systems
1 45 (20.27%) Linux
2 30 (13.51%) Unix
3 11 (4.95%) Red Hat Enterprise Linux
4 6 (2.70%) Windows
5 5 (2.25%) CentOS
5 5 (2.25%) Debian
5 5 (2.25%) Ubuntu
6 4 (1.80%) Android
6 4 (1.80%) Apple iOS
7 3 (1.35%) CoreOS
7 3 (1.35%) Solaris
7 3 (1.35%) Windows Server
8 2 (0.90%) Fedora
8 2 (0.90%) Mac OS X
8 2 (0.90%) Windows Server 2008
8 2 (0.90%) Windows Server 2012
9 1 (0.45%) AIX
Processes & Methodologies
1 101 (45.50%) Agile Software Development
2 37 (16.67%) MVC
3 33 (14.86%) OO
3 33 (14.86%) Open Source
3 33 (14.86%) TDD
4 28 (12.61%) Continuous Integration
5 27 (12.16%) MapReduce
6 26 (11.71%) DevOps
7 25 (11.26%) OOD
8 22 (9.91%) Scrum
9 21 (9.46%) SOA
10 20 (9.01%) Data Analysis
11 19 (8.56%) Microservices
12 17 (7.66%) Data Architecture
12 17 (7.66%) ETL
13 13 (5.86%) BDD
13 13 (5.86%) Data Visualisation
13 13 (5.86%) Project Management
13 13 (5.86%) Statistical Modelling
13 13 (5.86%) Visualisation
Programming Languages
1 80 (36.04%) JavaScript
2 75 (33.78%) Java
3 64 (28.83%) Python
4 61 (27.48%) SQL
5 25 (11.26%) Scala
6 20 (9.01%) C#
7 19 (8.56%) Perl
8 17 (7.66%) R
8 17 (7.66%) XPath
9 14 (6.31%) Bash Shell
9 14 (6.31%) PHP
10 12 (5.41%) Ruby
11 5 (2.25%) CoffeeScript
11 5 (2.25%) T-SQL
12 4 (1.80%) Go
12 4 (1.80%) PowerShell
12 4 (1.80%) Shell Script
13 2 (0.90%) Groovy
13 2 (0.90%) MATLAB
13 2 (0.90%) SPARQL
Qualifications
1 15 (6.76%) Degree
2 3 (1.35%) CISA
2 3 (1.35%) CISM
2 3 (1.35%) CISSP
2 3 (1.35%) SC Cleared
2 3 (1.35%) Security Cleared
3 1 (0.45%) AWS Certification
Quality Assurance & Compliance
1 6 (2.70%) QA
2 5 (2.25%) Data Quality
3 3 (1.35%) FedRAMP
3 3 (1.35%) PCI DSS
System Software
1 25 (11.26%) HDFS
2 16 (7.21%) Apache Flume
2 16 (7.21%) Apache ZooKeeper
3 10 (4.50%) Docker
4 4 (1.80%) Active Directory
4 4 (1.80%) Varnish
5 1 (0.45%) Oracle RAC
5 1 (0.45%) Tivoli Directory Server
5 1 (0.45%) VMware Infrastructure
Systems Management
1 23 (10.36%) Hadoop YARN
2 22 (9.91%) Oozie
3 10 (4.50%) Opscode Chef
4 7 (3.15%) Ambari
5 6 (2.70%) Kibana
5 6 (2.70%) Nagios
5 6 (2.70%) Puppet
6 5 (2.25%) Mesos
7 4 (1.80%) Ansible
7 4 (1.80%) CA Single Sign-On
7 4 (1.80%) logstash
7 4 (1.80%) OpenSSO
8 3 (1.35%) Control-M
8 3 (1.35%) Ganglia
8 3 (1.35%) Graphite
8 3 (1.35%) Kubernetes
8 3 (1.35%) rkt
8 3 (1.35%) StatsD
8 3 (1.35%) Unicenter
8 3 (1.35%) ZABBIX
Vendors
1 33 (14.86%) Adobe
2 30 (13.51%) Oracle
3 22 (9.91%) Cloudera
4 15 (6.76%) Sitecore
5 11 (4.95%) Hortonworks
6 8 (3.60%) Informatica
7 7 (3.15%) IBM
7 7 (3.15%) Microsoft
8 5 (2.25%) SAP
9 4 (1.80%) Apigee
9 4 (1.80%) ATG
9 4 (1.80%) BEA
9 4 (1.80%) hybris
9 4 (1.80%) New Relic
9 4 (1.80%) Perforce
9 4 (1.80%) Tableau
10 3 (1.35%) Ab Initio
10 3 (1.35%) Google
10 3 (1.35%) VMware
11 2 (0.90%) Minitab
North West
Austin Fraser
Rate: £0.00 per annum
Posted: Yesterday
London
Hydrogen Group
Rate: £450.00 per day
Posted: 18 hours ago
City, London
Intrinsic Recruitment Ltd
Rate: Up to £500 per day + Bonus & Benefits
Posted: 2 days ago
City, London
Oscar
Rate: £300 - £375 per day
Posted: 5 days ago
Cardiff, South Glamorgan
Opus Recruitment Solutions Ltd
Rate: £200 - £235 per day
Posted: 5 days ago
Cardiff, South Glamorgan
TEKsystems
Rate: £200 - £220 per day
Posted: 6 days ago
Hampshire
Proactive Appointments
Rate: £351 - £450 per day
Posted: 2 days ago