Period
to 18 October 2017

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 6 months to 18 October 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
6 months to
18 Oct 2017
Same period 2016 Same period 2015
Rank 524 654 685
Rank change year-on-year +130 +31 +14
Contract jobs citing Apache Solr 350 237 209
As % of all contract IT jobs advertised in the UK 0.35% 0.22% 0.18%
As % of the Application Platforms category 2.11% 1.20% 1.03%
Number of daily rates quoted 242 161 130
UK median daily rate £500 £488 £450
Median daily rate % change year-on-year +2.56% +8.33% +5.88%
10th Percentile £363 £360 £313
90th Percentile £649 £650 £669
UK excluding London median daily rate £418 £450 £375
% change year-on-year -7.22% +20.00% +15.38%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

Apache Solr is in the Application Platforms category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for application platform skills.

All Application Platform Skills
UK
Contract vacancies with a requirement for application platform skills 16617 19816 20256
As % of all contract IT jobs advertised in the UK 16.72% 18.60% 17.89%
Number of daily rates quoted 10853 12975 12767
UK median daily rate £440 £420 £400
Median daily rate % change year-on-year +4.76% +5.00% +6.67%
10th Percentile £263 £250 £225
90th Percentile £600 £588 £563
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00% +7.14%
Number of hourly rates quoted 411 517 634
UK median hourly rate £20.00 £20.00 £19.50
Median hourly rate % change year-on-year - +2.56% +11.43%
10th Percentile £11.00 £11.96 £11.25
90th Percentile £48.75 £47.35 £42.75
UK excluding London median hourly rate £20.00 £20.73 £19.00
% change year-on-year -3.52% +9.11% +8.57%

Apache Solr
Job Vacancy Trend

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

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 6 months to 18 October 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 14 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 6 months to 18 October 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 +120 335 £500 +2.83% 52
London +111 242 £500 +0.50% 29
UK excluding London +19 99 £418 -7.22% 23
South East +5 30 £401 -28.80% 10
North of England +84 24 £375 -11.76% 4
Yorkshire +38 20 £375 -11.76% 3
Midlands +21 16 £505 +16.76% 4
East of England -10 12 £550 +8.37% 1
West Midlands +35 10 £510 +31.61% 4
South West -5 10 £370 -6.03% 4
East Midlands -3 6 £500 +11.11%
North West +38 4 - - 1
Wales +4 4 £450 -18.18%
Scotland - 3 £500 -

For the 6 months to 18 October 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.

1 226 (64.57%) Java
2 165 (47.14%) Agile Software Development
3 152 (43.43%) Spring
4 146 (41.71%) TDD
5 133 (38.00%) Hadoop
6 130 (37.14%) Big Data
7 124 (35.43%) Apache Spark
8 115 (32.86%) Kafka
9 114 (32.57%) HDFS
10 113 (32.29%) Microservices
11 108 (30.86%) REST
12 107 (30.57%) Spring Boot
13 103 (29.43%) Elasticsearch
14 98 (28.00%) JIRA
15 97 (27.71%) HBase
15 97 (27.71%) Git (software)
16 92 (26.29%) Data Architecture
17 90 (25.71%) SQL
18 86 (24.57%) Scrum
18 86 (24.57%) BDD
19 84 (24.00%) Docker
20 83 (23.71%) Kerberos
21 77 (22.00%) Apache ZooKeeper
21 77 (22.00%) Confluence
21 77 (22.00%) Amazon AWS
22 76 (21.71%) Linux
23 74 (21.14%) JavaScript
24 73 (20.86%) Python
24 73 (20.86%) Cucumber
25 72 (20.57%) Algorithms

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
1 124 (35.43%) Apache Spark
2 103 (29.43%) Elasticsearch
3 77 (22.00%) Confluence
4 44 (12.57%) Apache
5 37 (10.57%) Drupal
6 28 (8.00%) Tomcat
7 23 (6.57%) CMS
8 21 (6.00%) Apache Pig
9 14 (4.00%) Adobe Experience Manager
10 13 (3.71%) JBoss
10 13 (3.71%) Sitecore CMS
11 8 (2.29%) WebSphere
12 6 (1.71%) SharePoint
13 4 (1.14%) Mule
13 4 (1.14%) nginx
14 3 (0.86%) Liferay
14 3 (0.86%) MS Exchange
14 3 (0.86%) WebLogic
14 3 (0.86%) WebSphere Application Server
15 2 (0.57%) IIS
Applications
1 1 (0.29%) Photoshop
Business Applications
1 15 (4.29%) SAP Hybris
2 2 (0.57%) Payment Gateway
Cloud Services
1 77 (22.00%) Amazon AWS
2 26 (7.43%) Amazon EC2
3 18 (5.14%) GitHub
4 15 (4.29%) Microsoft Azure
5 11 (3.14%) Amazon S3
5 11 (3.14%) Amazon SQS
6 8 (2.29%) AWS CloudFormation
6 8 (2.29%) AWS Lambda
6 8 (2.29%) Serverless
7 7 (2.00%) Amazon ElastiCache
7 7 (2.00%) CloudFront
8 6 (1.71%) Amazon CloudWatch
9 4 (1.14%) Amazon ELB
9 4 (1.14%) Amazon EMR
10 3 (0.86%) Cloud Computing
11 2 (0.57%) AWS Elastic Beanstalk
11 2 (0.57%) Office 365
11 2 (0.57%) SaaS
11 2 (0.57%) Virtual Private Cloud
12 1 (0.29%) npm
Communications & Networking
1 83 (23.71%) Kerberos
2 9 (2.57%) LDAP
3 6 (1.71%) Intranet
4 4 (1.14%) AMQP
4 4 (1.14%) Skype
5 3 (0.86%) DNS
5 3 (0.86%) Firewall
5 3 (0.86%) Network Security
5 3 (0.86%) SSL
6 2 (0.57%) S/MIME
7 1 (0.29%) SMS
Database & Business Intelligence
1 133 (38.00%) Hadoop
2 130 (37.14%) Big Data
3 97 (27.71%) HBase
4 67 (19.14%) NoSQL
5 50 (14.29%) MongoDB
6 49 (14.00%) PostgreSQL
7 44 (12.57%) MySQL
8 42 (12.00%) Apache Cassandra
9 35 (10.00%) Apache Hive
10 33 (9.43%) SQL Server
11 24 (6.86%) Relational Database
12 23 (6.57%) Impala
13 18 (5.14%) DataStax
14 11 (3.14%) Oracle Database
15 10 (2.86%) Amazon DynamoDB
15 10 (2.86%) Data Warehouse
15 10 (2.86%) MarkLogic
15 10 (2.86%) Riak
16 9 (2.57%) Data Mining
17 8 (2.29%) Blockchain
Development Applications
1 98 (28.00%) JIRA
2 97 (27.71%) Git (software)
3 73 (20.86%) Cucumber
4 51 (14.57%) Jenkins
5 24 (6.86%) IntelliJ
6 22 (6.29%) Maven
7 21 (6.00%) Eclipse
8 18 (5.14%) JUnit
9 17 (4.86%) GitLab
10 14 (4.00%) Subversion
11 11 (3.14%) Vagrant
12 10 (2.86%) Bitbucket
12 10 (2.86%) Gradle
13 8 (2.29%) Mercurial
13 8 (2.29%) Sonatype Nexus
14 7 (2.00%) Ant
14 7 (2.00%) Selenium
15 6 (1.71%) TeamCity
16 5 (1.43%) SonarQube
16 5 (1.43%) Visual Studio
General
1 59 (16.86%) Finance
2 22 (6.29%) Banking
3 21 (6.00%) Marketing
4 16 (4.57%) Investment Banking
5 11 (3.14%) Games
5 11 (3.14%) Telecoms
6 10 (2.86%) Electronics
6 10 (2.86%) Legal
6 10 (2.86%) Manufacturing
6 10 (2.86%) Publishing
7 9 (2.57%) Financial Institution
8 5 (1.43%) Retail
9 4 (1.14%) Advertising
10 2 (0.57%) Retail Banking
11 1 (0.29%) Billing
11 1 (0.29%) Digital Economy
11 1 (0.29%) Multimedia
Job Titles
1 213 (60.86%) Developer
2 86 (24.57%) Java Developer
3 49 (14.00%) Data Engineer
4 41 (11.71%) Big Data Engineer
5 36 (10.29%) Architect
5 36 (10.29%) Big Data Developer
6 32 (9.14%) Drupal Developer
7 23 (6.57%) Solr Developer
8 20 (5.71%) Hadoop Engineer
8 20 (5.71%) Hybris Developer
9 19 (5.43%) Data Architect
10 16 (4.57%) Senior Developer
11 15 (4.29%) Big Data Architect
11 15 (4.29%) C# Developer
11 15 (4.29%) Senior Data Engineer
12 13 (3.71%) Senior Java Developer
13 11 (3.14%) .NET Developer
13 11 (3.14%) Administrator
13 11 (3.14%) Scala Developer
14 10 (2.86%) Hadoop Administrator
Libraries, Frameworks & Software Standards
1 152 (43.43%) Spring
2 115 (32.86%) Kafka
3 108 (30.86%) REST
4 107 (30.57%) Spring Boot
5 71 (20.29%) HTML
6 67 (19.14%) CSS
7 66 (18.86%) Drools
8 59 (16.86%) Lucene
9 50 (14.29%) Web Services
10 45 (12.86%) Apache Camel
10 45 (12.86%) jQuery
11 39 (11.14%) Spring MVC
12 32 (9.14%) .NET
13 31 (8.86%) JSON
14 30 (8.57%) Hibernate
15 27 (7.71%) Ajax
16 26 (7.43%) HTML5
16 26 (7.43%) JSP
17 25 (7.14%) RESTful
17 25 (7.14%) Servlets
Miscellaneous
1 72 (20.57%) Algorithms
2 30 (8.57%) Analytical Skills
3 12 (3.43%) Data Structures
4 10 (2.86%) Computer Science
5 9 (2.57%) Replication
6 8 (2.29%) Fintech
6 8 (2.29%) Virtual Team
7 7 (2.00%) User Experience
8 6 (1.71%) Greenfield Project
8 6 (1.71%) Linux Command Line
9 4 (1.14%) Distributed Denial-of-Service
10 3 (0.86%) Private Cloud
11 2 (0.57%) Clustering
11 2 (0.57%) Linked Data
11 2 (0.57%) Management Information System
11 2 (0.57%) Mobile App
11 2 (0.57%) Mobile Banking
11 2 (0.57%) Tandem
11 2 (0.57%) Wiki
12 1 (0.29%) Life Science
Operating Systems
1 76 (21.71%) Linux
2 40 (11.43%) Unix
3 20 (5.71%) Red Hat Enterprise Linux
4 14 (4.00%) CentOS
5 13 (3.71%) Debian
6 11 (3.14%) Windows
7 10 (2.86%) Ubuntu
8 5 (1.43%) Apple iOS
8 5 (1.43%) Fedora
9 4 (1.14%) Windows Server
10 2 (0.57%) Android
10 2 (0.57%) Mac OS X
11 1 (0.29%) Windows 10
Processes & Methodologies
1 165 (47.14%) Agile Software Development
2 146 (41.71%) TDD
3 113 (32.29%) Microservices
4 92 (26.29%) Data Architecture
5 86 (24.57%) BDD
5 86 (24.57%) Scrum
6 51 (14.57%) MVC
7 43 (12.29%) Continuous Integration
8 38 (10.86%) DevOps
8 38 (10.86%) Open Source
9 34 (9.71%) Pair Programming
10 32 (9.14%) MapReduce
11 30 (8.57%) Software Engineering
12 29 (8.29%) Performance Tuning
13 27 (7.71%) Machine Learning
14 25 (7.14%) Unit Testing
15 24 (6.86%) E-Commerce
16 23 (6.57%) Mentoring
17 22 (6.29%) Coaching
17 22 (6.29%) OO
Programming Languages
1 226 (64.57%) Java
2 90 (25.71%) SQL
3 74 (21.14%) JavaScript
4 73 (20.86%) Python
5 50 (14.29%) Scala
6 37 (10.57%) C#
7 36 (10.29%) PHP
8 20 (5.71%) Bash Shell
8 20 (5.71%) Perl
9 14 (4.00%) T-SQL
10 13 (3.71%) SPARQL
11 11 (3.14%) R
12 7 (2.00%) Groovy
12 7 (2.00%) PowerShell
13 5 (1.43%) C
13 5 (1.43%) PL/SQL
13 5 (1.43%) Ruby
13 5 (1.43%) Shell Script
14 3 (0.86%) XPath
15 2 (0.57%) VBScript
Qualifications
1 63 (18.00%) Security Cleared
2 57 (16.29%) SC Cleared
3 18 (5.14%) Degree
4 7 (2.00%) Computer Science Degree
5 6 (1.71%) DBS Check
6 4 (1.14%) CISA
6 4 (1.14%) CISM
6 4 (1.14%) CISSP
6 4 (1.14%) PhD
6 4 (1.14%) Sun Certification
7 2 (0.57%) Master's Degree
8 1 (0.29%) AWS Certification
8 1 (0.29%) CTC Cleared
8 1 (0.29%) DV Cleared
Quality Assurance & Compliance
1 20 (5.71%) QA
2 3 (0.86%) FedRAMP
2 3 (0.86%) PCI DSS
3 1 (0.29%) SLA
System Software
1 114 (32.57%) HDFS
2 84 (24.00%) Docker
3 77 (22.00%) Apache ZooKeeper
4 17 (4.86%) Apache Flume
5 9 (2.57%) Active Directory
6 2 (0.57%) Varnish
7 1 (0.29%) NFS
Systems Management
1 56 (16.00%) Ansible
2 54 (15.43%) Terraform
3 51 (14.57%) Kubernetes
4 26 (7.43%) Hadoop YARN
5 17 (4.86%) Puppet
6 12 (3.43%) Kibana
6 12 (3.43%) logstash
7 11 (3.14%) Oozie
8 10 (2.86%) Opscode Chef
9 6 (1.71%) Mesos
10 4 (1.14%) Ambari
11 3 (0.86%) FTK
12 2 (0.57%) EnCase
12 2 (0.57%) SCCM
13 1 (0.29%) Norton AntiVirus
13 1 (0.29%) Prometheus
13 1 (0.29%) Rancher
Vendors
1 31 (8.86%) SAP
2 25 (7.14%) Cloudera
3 24 (6.86%) hybris
4 23 (6.57%) Oracle
5 19 (5.43%) Hortonworks
6 15 (4.29%) Sitecore
7 14 (4.00%) Adobe
8 9 (2.57%) HP
9 6 (1.71%) Tableau
10 5 (1.43%) Nuix
11 4 (1.14%) Atlassian
11 4 (1.14%) Google
11 4 (1.14%) IBM
12 3 (0.86%) AppDynamics
12 3 (0.86%) Microsoft
12 3 (0.86%) MuleSoft
12 3 (0.86%) Red Hat
12 3 (0.86%) Symantec
13 2 (0.57%) Informatica
13 2 (0.57%) Splunk