Apache Solr Contracts

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 25 June 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
Location	3 months to 25 Jun 2017	Same period 2016	Same period 2015
Rank	428	552	562
Rank change year-on-year	+124	+10
Contract jobs citing Apache Solr	161	100	74
As % of all contract IT jobs advertised in the UK	0.35%	0.19%	0.13%
As % of the Application Platforms category	2.10%	1.04%	0.74%
Number of daily rates quoted	105	73	50
Median daily rate	£450	£450	£419
Median daily rate % change year-on-year	-	+7.46%
90% offered a daily rate of more than	£344	£333	£336
10% offered a daily rate of more than	£600	£600	£555
UK excluding London median daily rate	£401	£425	£400
% change year-on-year	-5.76%	+6.25%
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	7676	9587	9977
As % of all contract IT job vacancies advertised in the UK	16.58%	18.07%	17.80%
Number of daily rates quoted	4899	6394	6227
Median daily rate	£425	£420	£375
Median daily rate % change year-on-year	+1.19%	+12.00%
90% offered a daily rate of more than	£260	£265	£230
10% offered a daily rate of more than	£575	£560	£525
UK excluding London median daily rate	£400	£390	£350
% change year-on-year	+2.56%	+11.42%
Number of hourly rates quoted	196	235	341
Median hourly rate	£24.50	£20.50	£20.60
Median hourly rate % change year-on-year	+19.51%	-0.48%
90% offered a hourly rate of more than	£11.50	£12.49	£12.00
10% offered a hourly rate of more than	£50.00	£43.00	£40.00
UK excluding London median hourly rate	£25.00	£25.00	£21.00
% change year-on-year	-	+19.04%

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 25 June 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 25 June 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	+101	150	£450	-0.05%	50
London	+51	96	£475	-	28
South East	+46	17	£401	+5.39%	12
City of London	+16	15	£513	+10.81%	5
Hampshire	+19	13	£401	+14.42%	4
East Midlands	-13	9	£500	-4.76%	1
East of England	-2	8	£525	+3.44%	2
West Midlands	+27	6	£510	+27.50%
Croydon	+5	6	£548	+15.26%	3
Birmingham	-	6	£510	-
North West	+30	5	-	-	6
Nottinghamshire	-	5	-	-	1
Nottingham	-	5	-	-	1
South West	+4	4	£220	-41.33%
Cardiff	+1	4	£213	-32.00%
South Wales	-4	4	£213	-32.00%
Wales	-5	4	£213	-32.00%
Yorkshire	+18	3	£250	-41.17%	1
Norfolk	+6	3	-	-
Norwich	+4	3	-	-
West Yorkshire	+16	2	£250	-41.17%
Leeds	+14	2	£250	-41.17%
Canary Wharf	+5	2	£650	-
Hertfordshire	-2	2	£550	-
Leicester	-3	2	£500	-4.76%
Leicestershire	-10	2	£500	-4.76%
Oxfordshire	-11	2	£600	+57.89%	5
Devon	-	2	-	-
Berkshire	-	2	£538	-	2
Belfast	-	2	-	-

Apache Solr
Top 30 Co-occurring IT Skills

For the 6 months to 25 June 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	112 (44.09%)	Java
2	110 (43.31%)	Agile Software Development
3	79 (31.10%)	Hadoop
4	76 (29.92%)	TDD
5	75 (29.53%)	Elasticsearch
6	67 (26.38%)	Python
7	66 (25.98%)	Spring
8	62 (24.41%)	SQL
8	62 (24.41%)	CSS
9	61 (24.02%)	HTML
9	61 (24.02%)	Linux
10	60 (23.62%)	JavaScript
11	58 (22.83%)	Git (software)
12	53 (20.87%)	Apache Spark
12	53 (20.87%)	Lucene

13	50 (19.69%)	HDFS
14	49 (19.29%)	Kafka
15	48 (18.90%)	MVC
16	47 (18.50%)	Big Data
16	47 (18.50%)	Microservices
17	46 (18.11%)	Apache ZooKeeper
18	44 (17.32%)	Apache Hive
18	44 (17.32%)	JIRA
19	42 (16.54%)	Apache
19	42 (16.54%)	MongoDB
19	42 (16.54%)	NoSQL
19	42 (16.54%)	Confluence
20	39 (15.35%)	Spring Boot
21	38 (14.96%)	Unix
22	35 (13.78%)	Spring MVC

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
Applications
Business Applications
Cloud Services
Communications & Networking
Database & Business Intelligence
Development Applications
General
Job Titles
Libraries, Frameworks & Software Standards
Miscellaneous
Operating Systems
Processes & Methodologies
Programming Languages
Qualifications
Quality Assurance & Compliance
System Software
Systems Management
Vendors

Application Platforms
1	75 (29.53%)	Elasticsearch
2	53 (20.87%)	Apache Spark
3	42 (16.54%)	Apache
3	42 (16.54%)	Confluence
4	17 (6.69%)	CMS
4	17 (6.69%)	Tomcat
4	17 (6.69%)	WebSphere
5	16 (6.30%)	Apache Pig
6	14 (5.51%)	Drupal
7	13 (5.12%)	Adobe Experience Manager
8	9 (3.54%)	JBoss
9	8 (3.15%)	nginx
9	8 (3.15%)	Sitecore CMS
10	6 (2.36%)	SharePoint
11	5 (1.97%)	Mule
12	4 (1.57%)	Alfresco
13	3 (1.18%)	IIS
13	3 (1.18%)	MS Exchange
13	3 (1.18%)	Umbraco
13	3 (1.18%)	WordPress

Applications
1	3 (1.18%)	Microsoft Excel
1	3 (1.18%)	Microsoft PowerPoint
2	2 (0.79%)	Microsoft Office

Business Applications
1	17 (6.69%)	SAP Hybris
2	1 (0.39%)	BusinessWorks
2	1 (0.39%)	SAP Oil and Gas
2	1 (0.39%)	SDL Web 8

Cloud Services
1	35 (13.78%)	Amazon AWS
2	20 (7.87%)	Microsoft Azure
3	7 (2.76%)	GitHub
4	6 (2.36%)	Amazon EC2
4	6 (2.36%)	Amazon S3
4	6 (2.36%)	Cloud Computing
5	5 (1.97%)	Amazon CloudWatch
5	5 (1.97%)	Amazon SQS
5	5 (1.97%)	AWS Lambda
5	5 (1.97%)	CloudFront
6	4 (1.57%)	Amazon ElastiCache
7	3 (1.18%)	Akamai
7	3 (1.18%)	Amazon EMR
8	2 (0.79%)	Office 365
8	2 (0.79%)	SaaS
9	1 (0.39%)	Amazon CloudSearch
9	1 (0.39%)	Azure Data Factory
9	1 (0.39%)	PaaS
9	1 (0.39%)	Trello
9	1 (0.39%)	Virtual Private Cloud

Communications & Networking
1	17 (6.69%)	Kerberos
2	10 (3.94%)	LDAP
3	5 (1.97%)	Network Security
4	4 (1.57%)	HTTP
4	4 (1.57%)	Skype
4	4 (1.57%)	SSL
5	3 (1.18%)	DNS
6	2 (0.79%)	Internet
6	2 (0.79%)	Intranet
6	2 (0.79%)	S/MIME
7	1 (0.39%)	TCP/IP

Database & Business Intelligence
1	79 (31.10%)	Hadoop
2	47 (18.50%)	Big Data
3	44 (17.32%)	Apache Hive
4	42 (16.54%)	MongoDB
4	42 (16.54%)	NoSQL
5	33 (12.99%)	Apache Cassandra
6	32 (12.60%)	HBase
7	26 (10.24%)	Impala
8	23 (9.06%)	MySQL
9	22 (8.66%)	SQL Server
10	13 (5.12%)	PostgreSQL
10	13 (5.12%)	Relational Database
11	12 (4.72%)	DataStax
12	11 (4.33%)	Sqoop
13	9 (3.54%)	Data Mining
13	9 (3.54%)	Data Warehouse
14	5 (1.97%)	Endeca
14	5 (1.97%)	OLAP
14	5 (1.97%)	OLTP
14	5 (1.97%)	Oracle OLAP

Development Applications
1	58 (22.83%)	Git (software)
2	44 (17.32%)	JIRA
3	24 (9.45%)	Jenkins
4	18 (7.09%)	Maven
5	17 (6.69%)	IntelliJ
6	15 (5.91%)	Selenium
7	14 (5.51%)	JUnit
8	12 (4.72%)	Cucumber
8	12 (4.72%)	Eclipse
9	10 (3.94%)	CasperJS
9	10 (3.94%)	PhantomJS
10	9 (3.54%)	Bitbucket
10	9 (3.54%)	Gradle
11	8 (3.15%)	Subversion
12	6 (2.36%)	Karma Test Runner
12	6 (2.36%)	Mercurial
12	6 (2.36%)	TeamCity
12	6 (2.36%)	Visual Studio
13	5 (1.97%)	GitLab
13	5 (1.97%)	Hudson

General
1	30 (11.81%)	Finance
2	22 (8.66%)	Banking
3	11 (4.33%)	Investment Banking
4	8 (3.15%)	Financial Institution
5	7 (2.76%)	Legal
5	7 (2.76%)	Retail
6	6 (2.36%)	Marketing
7	4 (1.57%)	Advertising
7	4 (1.57%)	Publishing
8	2 (0.79%)	Billing
8	2 (0.79%)	Manufacturing
8	2 (0.79%)	Retail Banking
8	2 (0.79%)	Telecoms
8	2 (0.79%)	Wholesale Banking
9	1 (0.39%)	Digital Economy
9	1 (0.39%)	Electronics
9	1 (0.39%)	German Language
9	1 (0.39%)	Law

Job Titles
1	123 (48.43%)	Developer
2	41 (16.14%)	Java Developer
3	26 (10.24%)	Architect
4	25 (9.84%)	Administrator
5	20 (7.87%)	Linux Administrator
6	18 (7.09%)	Hadoop Administrator
7	17 (6.69%)	Hybris Developer
8	14 (5.51%)	Data Engineer
9	13 (5.12%)	Drupal Developer
10	11 (4.33%)	Big Data Engineer
10	11 (4.33%)	Linux Systems Administrator
10	11 (4.33%)	Senior Developer
10	11 (4.33%)	Systems Administrator
11	10 (3.94%)	.NET Developer
11	10 (3.94%)	Big Data Developer
11	10 (3.94%)	Data Scientist
11	10 (3.94%)	Web Engineer
12	9 (3.54%)	C# Developer
13	8 (3.15%)	Senior Java Developer
14	7 (2.76%)	Applications Architect

Libraries, Frameworks & Software Standards
1	66 (25.98%)	Spring
2	62 (24.41%)	CSS
3	61 (24.02%)	HTML
4	53 (20.87%)	Lucene
5	49 (19.29%)	Kafka
6	39 (15.35%)	Spring Boot
7	35 (13.78%)	REST
7	35 (13.78%)	Spring MVC
8	30 (11.81%)	Web Services
9	27 (10.63%)	.NET
10	26 (10.24%)	Servlets
11	25 (9.84%)	jQuery
11	25 (9.84%)	JSP
12	24 (9.45%)	AngularJS
13	18 (7.09%)	RESTful
14	17 (6.69%)	Natural Language Processing
15	15 (5.91%)	Ajax
15	15 (5.91%)	JSON
16	14 (5.51%)	RabbitMQ
17	13 (5.12%)	HTML5

Miscellaneous
1	20 (7.87%)	Analytical Skills
2	14 (5.51%)	Algorithms
3	11 (4.33%)	Virtual Team
4	10 (3.94%)	Computer Science
5	8 (3.15%)	Data Structures
6	7 (2.76%)	Distributed Denial-of-Service
7	6 (2.36%)	Management Information System
8	5 (1.97%)	Mobile App
8	5 (1.97%)	Private Cloud
8	5 (1.97%)	Reference Data
8	5 (1.97%)	Tandem
8	5 (1.97%)	Taxonomies
9	4 (1.57%)	Linux Command Line
10	3 (1.18%)	Clustering
10	3 (1.18%)	Enterprise Software
10	3 (1.18%)	Greenfield Project
11	2 (0.79%)	Digital Media
11	2 (0.79%)	Linked Data
11	2 (0.79%)	Mobile Banking
11	2 (0.79%)	Smart Meter

Operating Systems
1	61 (24.02%)	Linux
2	38 (14.96%)	Unix
3	25 (9.84%)	Red Hat Enterprise Linux
4	18 (7.09%)	Debian
4	18 (7.09%)	Ubuntu
5	11 (4.33%)	Windows
6	6 (2.36%)	Windows Server
7	4 (1.57%)	Apple iOS
7	4 (1.57%)	CentOS
8	3 (1.18%)	Fedora
8	3 (1.18%)	Mac OS X
8	3 (1.18%)	Windows Server 2012
9	2 (0.79%)	Android
9	2 (0.79%)	Windows Server 2008

Processes & Methodologies
1	110 (43.31%)	Agile Software Development
2	76 (29.92%)	TDD
3	48 (18.90%)	MVC
4	47 (18.50%)	Microservices
5	31 (12.20%)	DevOps
6	27 (10.63%)	Data Architecture
7	26 (10.24%)	Open Source
8	25 (9.84%)	Scrum
9	24 (9.45%)	Performance Tuning
10	23 (9.06%)	BDD
10	23 (9.06%)	Continuous Integration
11	21 (8.27%)	SOA
12	20 (7.87%)	MapReduce
13	19 (7.48%)	Waterfall
14	18 (7.09%)	Desktop Virtualisation
14	18 (7.09%)	Security Hardening
15	17 (6.69%)	Content Management
16	16 (6.30%)	Analytics
16	16 (6.30%)	Pair Programming
17	15 (5.91%)	E-Discovery

Programming Languages
1	112 (44.09%)	Java
2	67 (26.38%)	Python
3	62 (24.41%)	SQL
4	60 (23.62%)	JavaScript
5	22 (8.66%)	C#
6	14 (5.51%)	PHP
7	12 (4.72%)	Scala
8	11 (4.33%)	XPath
9	8 (3.15%)	Bash Shell
9	8 (3.15%)	R
9	8 (3.15%)	SPARQL
10	7 (2.76%)	Perl
11	6 (2.36%)	Groovy
11	6 (2.36%)	Shell Script
12	5 (1.97%)	PowerShell
12	5 (1.97%)	T-SQL
13	4 (1.57%)	PL/SQL
14	3 (1.18%)	ActionScript
14	3 (1.18%)	GraphQL
15	2 (0.79%)	VBA

Qualifications
1	19 (7.48%)	Security Cleared
2	17 (6.69%)	Degree
2	17 (6.69%)	SC Cleared
3	7 (2.76%)	CISA
3	7 (2.76%)	CISM
3	7 (2.76%)	CISSP
4	4 (1.57%)	Computer Science Degree
5	3 (1.18%)	Master's Degree
6	2 (0.79%)	DBS Check
7	1 (0.39%)	DV Cleared

Quality Assurance & Compliance
1	8 (3.15%)	QA
2	6 (2.36%)	FedRAMP
2	6 (2.36%)	PCI DSS
3	5 (1.97%)	Data Quality
4	1 (0.39%)	SLA

System Software
1	50 (19.69%)	HDFS
2	46 (18.11%)	Apache ZooKeeper
3	32 (12.60%)	Apache Flume
4	23 (9.06%)	Docker
5	9 (3.54%)	Active Directory
6	3 (1.18%)	Varnish

Systems Management
1	23 (9.06%)	Oozie
2	14 (5.51%)	Hadoop YARN
3	12 (4.72%)	Ansible
4	11 (4.33%)	Kubernetes
4	11 (4.33%)	Terraform
5	10 (3.94%)	Kibana
6	8 (3.15%)	logstash
7	7 (2.76%)	Puppet
8	5 (1.97%)	Mesos
8	5 (1.97%)	Opscode Chef
9	4 (1.57%)	Ambari
10	3 (1.18%)	FTK
11	2 (0.79%)	Rundeck

Vendors
1	30 (11.81%)	Cloudera
2	23 (9.06%)	Oracle
3	18 (7.09%)	SAP
4	17 (6.69%)	hybris
5	16 (6.30%)	Sitecore
6	13 (5.12%)	Adobe
7	10 (3.94%)	IBM
8	9 (3.54%)	HP
8	9 (3.54%)	Informatica
9	5 (1.97%)	Ab Initio
10	4 (1.57%)	Hortonworks
11	3 (1.18%)	Alteryx
11	3 (1.18%)	Atlassian
11	3 (1.18%)	Dynatrace
11	3 (1.18%)	Microsoft
11	3 (1.18%)	Minitab
11	3 (1.18%)	Nuix
11	3 (1.18%)	Splunk
11	3 (1.18%)	Tableau
11	3 (1.18%)	Talend