Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 6 months to 19 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 Solr
England > London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 395 456 466
Rank change year-on-year +61 +10 +14
Contract jobs citing Apache Solr 244 154 137
As % of all contract IT jobs advertised in London 0.53% 0.34% 0.29%
As % of the Application Platforms category 3.09% 1.74% 1.61%
Number of daily rates quoted 186 93 89
London median daily rate £518 £500 £463
Median daily rate % change year-on-year +3.50% +8.11% +2.78%
10th Percentile £363 £375 £363
90th Percentile £675 £663 £675
England median daily rate £500 £500 £450
% change year-on-year - +11.11% +5.88%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 advertised in London with a requirement for application platform skills.

All Application Platform Skills
London
Contract vacancies with a requirement for application platform skills 7904 8845 8505
As % of all contract IT jobs advertised in London 17.10% 19.70% 18.09%
Number of daily rates quoted 5634 6120 5760
London median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.11% +5.88% +6.25%
10th Percentile £300 £275 £250
90th Percentile £638 £620 £600
England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +5.26%
Number of hourly rates quoted 107 107 120
London median hourly rate £20.91 £18.00 £20.00
Median hourly rate % change year-on-year +16.17% -10.00% +8.11%
10th Percentile £12.30 £12.50 £12.00
90th Percentile £47.83 £56.87 £43.10
England median hourly rate £21.08 £20.00 £19.03
% change year-on-year +5.40% +5.10% +6.12%

Apache Solr
Job Vacancy Trend in London

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

Job vacancy trend for Apache Solr in London

Apache Solr
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Apache Solr in London

Apache Solr
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Apache Solr in London over the 6 months to 19 November 2017.

Contractor daily rate histogram for Apache Solr in London

Apache Solr
Contract Job Locations in London

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 London region over the 6 months to 19 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
South London +8 42 £575 +21.05%
Central London +7 28 £450 -8.63% 2
East London +2 13 £500 -13.04% 1
West London -21 5 £518 +17.61%
Apache Solr
England

For the 6 months to 19 November 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 London region with a requirement for Apache Solr.

1 170 (69.67%) Java
2 123 (50.41%) Spring
3 122 (50.00%) Agile Software Development
4 110 (45.08%) TDD
5 109 (44.67%) Big Data
6 102 (41.80%) Hadoop
7 97 (39.75%) REST
7 97 (39.75%) Kafka
8 96 (39.34%) Spring Boot
9 95 (38.93%) Apache Spark
10 85 (34.84%) HDFS
10 85 (34.84%) HBase
11 82 (33.61%) BDD
11 82 (33.61%) Data Architecture
12 80 (32.79%) Microservices
13 76 (31.15%) Scrum
13 76 (31.15%) Kerberos
14 72 (29.51%) Docker
14 72 (29.51%) Git (software)
15 71 (29.10%) Cucumber
15 71 (29.10%) JIRA
16 66 (27.05%) Algorithms
17 62 (25.41%) Elasticsearch
18 60 (24.59%) Drools
18 60 (24.59%) Security Cleared
19 59 (24.18%) Apache ZooKeeper
20 57 (23.36%) Confluence
20 57 (23.36%) SQL
21 55 (22.54%) SC Cleared
21 55 (22.54%) Amazon AWS

Apache Solr
Co-occurring IT Skills in 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 95 (38.93%) Apache Spark
2 62 (25.41%) Elasticsearch
3 57 (23.36%) Confluence
4 28 (11.48%) Apache
4 28 (11.48%) Drupal
5 19 (7.79%) JBoss
6 16 (6.56%) Apache Pig
7 14 (5.74%) CMS
8 10 (4.10%) Tomcat
9 6 (2.46%) SharePoint
10 5 (2.05%) Adobe Experience Manager
11 4 (1.64%) WebSphere
12 3 (1.23%) Mule
12 3 (1.23%) Sitecore CMS
13 2 (0.82%) IBM Domino
13 2 (0.82%) MQSeries
13 2 (0.82%) MS Exchange
13 2 (0.82%) nginx
13 2 (0.82%) Oracle Workflow
14 1 (0.41%) Liferay
Applications
1 1 (0.41%) Photoshop
Business Applications
1 9 (3.69%) SAP Hybris
Cloud Services
1 55 (22.54%) Amazon AWS
2 17 (6.97%) Amazon EC2
2 17 (6.97%) GitHub
3 13 (5.33%) Microsoft Azure
4 6 (2.46%) Amazon S3
4 6 (2.46%) Amazon SQS
5 5 (2.05%) AWS CloudFormation
5 5 (2.05%) AWS Lambda
5 5 (2.05%) Serverless
6 4 (1.64%) Amazon ElastiCache
6 4 (1.64%) Amazon ELB
7 3 (1.23%) CloudFront
8 2 (0.82%) Amazon CloudWatch
8 2 (0.82%) AWS Elastic Beanstalk
8 2 (0.82%) Cloud Computing
8 2 (0.82%) Office 365
9 1 (0.41%) Amazon EMR
9 1 (0.41%) Amazon Kinesis
9 1 (0.41%) Route 53
9 1 (0.41%) Virtual Private Cloud
Communications & Networking
1 76 (31.15%) Kerberos
2 4 (1.64%) LDAP
2 4 (1.64%) Skype
2 4 (1.64%) SSL
3 2 (0.82%) Network Security
3 2 (0.82%) S/MIME
4 1 (0.41%) AMQP
4 1 (0.41%) DNS
4 1 (0.41%) Intranet
Database & Business Intelligence
1 109 (44.67%) Big Data
2 102 (41.80%) Hadoop
3 85 (34.84%) HBase
4 41 (16.80%) PostgreSQL
5 39 (15.98%) NoSQL
6 34 (13.93%) MongoDB
7 28 (11.48%) Apache Cassandra
7 28 (11.48%) MySQL
8 21 (8.61%) Apache Hive
9 17 (6.97%) DataStax
10 15 (6.15%) Relational Database
11 12 (4.92%) Riak
12 11 (4.51%) SQL Server
13 10 (4.10%) Data Warehouse
13 10 (4.10%) Impala
13 10 (4.10%) MarkLogic
14 9 (3.69%) Data Mining
15 8 (3.28%) Blockchain
16 6 (2.46%) Amazon DynamoDB
17 4 (1.64%) Amazon RDS
Development Applications
1 72 (29.51%) Git (software)
2 71 (29.10%) Cucumber
2 71 (29.10%) JIRA
3 40 (16.39%) Jenkins
4 20 (8.20%) Maven
5 16 (6.56%) GitLab
6 14 (5.74%) IntelliJ
7 11 (4.51%) JUnit
8 10 (4.10%) TeamCity
8 10 (4.10%) Vagrant
9 9 (3.69%) Selenium
10 7 (2.87%) Eclipse
10 7 (2.87%) Subversion
11 6 (2.46%) Mockito
12 5 (2.05%) Gradle
12 5 (2.05%) Mercurial
13 4 (1.64%) Visual Studio
14 3 (1.23%) Atlassian Bamboo
15 2 (0.82%) EasyMock
15 2 (0.82%) Hudson
General
1 46 (18.85%) Finance
2 18 (7.38%) Banking
3 12 (4.92%) Marketing
4 11 (4.51%) Games
5 9 (3.69%) Investment Banking
6 6 (2.46%) Legal
6 6 (2.46%) Publishing
7 5 (2.05%) Electronics
7 5 (2.05%) Manufacturing
7 5 (2.05%) Telecoms
8 4 (1.64%) Financial Institution
9 2 (0.82%) Retail
10 1 (0.41%) Advertising
10 1 (0.41%) Digital Economy
10 1 (0.41%) Multimedia
Job Titles
1 151 (61.89%) Developer
2 62 (25.41%) Java Developer
3 39 (15.98%) Data Engineer
4 33 (13.52%) Big Data Developer
5 31 (12.70%) Big Data Engineer
6 27 (11.07%) Architect
7 25 (10.25%) Solr Developer
8 22 (9.02%) Drupal Developer
9 19 (7.79%) Hadoop Engineer
10 16 (6.56%) Data Architect
11 15 (6.15%) Senior Developer
12 14 (5.74%) Hybris Developer
13 13 (5.33%) Senior Data Engineer
14 12 (4.92%) Big Data Architect
15 10 (4.10%) PHP Developer
16 9 (3.69%) Agile Developer
16 9 (3.69%) Agile Java Developer
16 9 (3.69%) Scala Developer
16 9 (3.69%) Senior Java Developer
17 8 (3.28%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 123 (50.41%) Spring
2 97 (39.75%) Kafka
2 97 (39.75%) REST
3 96 (39.34%) Spring Boot
4 60 (24.59%) Drools
5 54 (22.13%) HTML
6 46 (18.85%) CSS
7 45 (18.44%) Lucene
8 40 (16.39%) Apache Camel
9 37 (15.16%) jQuery
10 33 (13.52%) Web Services
11 31 (12.70%) JSON
12 27 (11.07%) Spring MVC
13 26 (10.66%) HTML5
14 21 (8.61%) XML
15 20 (8.20%) Ajax
16 18 (7.38%) CSS3
17 17 (6.97%) .NET
17 17 (6.97%) Hibernate
18 16 (6.56%) JSP
Miscellaneous
1 66 (27.05%) Algorithms
2 17 (6.97%) Analytical Skills
3 11 (4.51%) Data Structures
4 9 (3.69%) Replication
5 8 (3.28%) Fintech
6 6 (2.46%) Greenfield Project
7 4 (1.64%) Computer Science
8 3 (1.23%) Distributed Denial-of-Service
8 3 (1.23%) Linux Command Line
8 3 (1.23%) Virtual Team
9 2 (0.82%) Private Cloud
10 1 (0.41%) Fixed Income
10 1 (0.41%) Life Science
10 1 (0.41%) Mobile App
10 1 (0.41%) SWIFT
10 1 (0.41%) Tandem
Operating Systems
1 43 (17.62%) Linux
2 24 (9.84%) Unix
3 10 (4.10%) CentOS
4 9 (3.69%) Red Hat Enterprise Linux
5 4 (1.64%) Windows
6 3 (1.23%) Debian
6 3 (1.23%) Ubuntu
7 2 (0.82%) Mac OS X
8 1 (0.41%) Apple iOS
8 1 (0.41%) Fedora
8 1 (0.41%) Windows Server
Processes & Methodologies
1 122 (50.00%) Agile Software Development
2 110 (45.08%) TDD
3 82 (33.61%) BDD
3 82 (33.61%) Data Architecture
4 80 (32.79%) Microservices
5 76 (31.15%) Scrum
6 30 (12.30%) MVC
7 29 (11.89%) OO
7 29 (11.89%) Pair Programming
8 28 (11.48%) DevOps
9 27 (11.07%) Open Source
10 26 (10.66%) Continuous Integration
11 22 (9.02%) MapReduce
12 21 (8.61%) Machine Learning
12 21 (8.61%) Unit Testing
13 18 (7.38%) Mentoring
13 18 (7.38%) OOD
13 18 (7.38%) Performance Tuning
14 17 (6.97%) E-Commerce
14 17 (6.97%) Visualisation
Programming Languages
1 170 (69.67%) Java
2 57 (23.36%) SQL
3 50 (20.49%) JavaScript
4 45 (18.44%) Python
5 43 (17.62%) Scala
6 27 (11.07%) PHP
7 25 (10.25%) C#
8 19 (7.79%) Bash Shell
9 16 (6.56%) Perl
10 10 (4.10%) R
10 10 (4.10%) SPARQL
11 6 (2.46%) C
11 6 (2.46%) Groovy
12 5 (2.05%) Shell Script
13 3 (1.23%) PowerShell
14 2 (0.82%) VB.NET
15 1 (0.41%) Ruby
15 1 (0.41%) T-SQL
Qualifications
1 60 (24.59%) Security Cleared
2 55 (22.54%) SC Cleared
3 9 (3.69%) Degree
4 6 (2.46%) DBS Check
5 4 (1.64%) Computer Science Degree
5 4 (1.64%) PhD
5 4 (1.64%) Sun Certification
6 3 (1.23%) CISA
6 3 (1.23%) CISM
6 3 (1.23%) CISSP
7 1 (0.41%) AWS Certification
7 1 (0.41%) CTC Cleared
7 1 (0.41%) Master's Degree
Quality Assurance & Compliance
1 18 (7.38%) QA
2 4 (1.64%) PCI DSS
3 2 (0.82%) FedRAMP
3 2 (0.82%) ISO/IEC 27001
System Software
1 85 (34.84%) HDFS
2 72 (29.51%) Docker
3 59 (24.18%) Apache ZooKeeper
4 6 (2.46%) Apache Flume
5 2 (0.82%) Active Directory
6 1 (0.41%) NFS
Systems Management
1 49 (20.08%) Ansible
2 47 (19.26%) Kubernetes
3 46 (18.85%) Terraform
4 15 (6.15%) Puppet
5 14 (5.74%) Hadoop YARN
6 9 (3.69%) Opscode Chef
7 8 (3.28%) logstash
8 7 (2.87%) Kibana
9 6 (2.46%) Mesos
10 4 (1.64%) Ambari
11 2 (0.82%) FTK
12 1 (0.41%) Prometheus
12 1 (0.41%) Rancher
Vendors
1 20 (8.20%) Hortonworks
1 20 (8.20%) SAP
2 18 (7.38%) hybris
3 12 (4.92%) Oracle
4 7 (2.87%) Cloudera
5 6 (2.46%) Splunk
6 5 (2.05%) Adobe
6 5 (2.05%) Tableau
7 4 (1.64%) Google
7 4 (1.64%) Microsoft
7 4 (1.64%) Sitecore
8 3 (1.23%) AppDynamics
8 3 (1.23%) HP
8 3 (1.23%) MuleSoft
8 3 (1.23%) Red Hat
9 2 (0.82%) IBM
9 2 (0.82%) MapR
9 2 (0.82%) Nuix
9 2 (0.82%) PagerDuty
9 2 (0.82%) SaltStack