Apache Solr Contracts in London

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 3 months to 26 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 England / London
Location	3 months to 26 Jun 2017	Same period 2016	Same period 2015
Rank	327	367	403
Rank change year-on-year	+40	+36
Contract jobs citing Apache Solr	98	51	39
As % of all contract IT jobs advertised in London	0.47%	0.24%	0.17%
As % of the Application Platforms category	2.77%	1.28%	0.89%
Number of daily rates quoted	75	38	23
Median daily rate	£475	£475	£425
Median daily rate % change year-on-year	-	+11.76%
90% offered a daily rate of more than	£375	£375	£369
10% offered a daily rate of more than	£625	£600	£583
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 advertised in London with a requirement for application platform skills.

Contract Application Platform Skills London
Contract job vacancies with a requirement for application platform skills	3538	3979	4359
As % of all contract IT job vacancies advertised in London	17.04%	18.61%	18.67%
Number of daily rates quoted	2484	2873	2915
Median daily rate	£475	£450	£400
Median daily rate % change year-on-year	+5.55%	+12.50%
90% offered a daily rate of more than	£300	£295	£250
10% offered a daily rate of more than	£600	£600	£550
UK excluding London median daily rate	£400	£390	£350
% change year-on-year	+2.56%	+11.42%
Number of hourly rates quoted	37	43	100
Median hourly rate	£22.00	£17.50	£19.75
Median hourly rate % change year-on-year	+25.71%	-11.39%
90% offered a hourly rate of more than	£12.45	£12.50	£12.35
10% offered a hourly rate of more than	£50.25	£34.54	£37.90
UK excluding London median hourly rate	£26.25	£25.00	£21.00
% change year-on-year	+5.00%	+19.04%

Apache Solr
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 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 3 months to 26 June 2017.

Contractor daily rate histogram for Apache Solr in London

Apache Solr
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend 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 3 months to 26 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
City of London	+10	16	£500	+8.10%	3
Croydon	+5	6	£548	+15.26%	3
Canary Wharf	+4	2	£650	-
Docklands, London	-	1	£471	-
Apache Solr England

Apache Solr
Top 30 Co-occurring IT Skills in London

For the 6 months to 26 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 across the London region with a requirement for Apache Solr.

1	73 (49.66%)	Agile Software Development
2	71 (48.30%)	Java
3	58 (39.46%)	TDD
4	53 (36.05%)	Spring
5	52 (35.37%)	Elasticsearch
6	49 (33.33%)	HTML
7	47 (31.97%)	CSS
8	42 (28.57%)	Hadoop
9	41 (27.89%)	Kafka
10	40 (27.21%)	Spring Boot
10	40 (27.21%)	JavaScript
11	39 (26.53%)	SQL
11	39 (26.53%)	Git (software)
11	39 (26.53%)	Apache Spark
12	36 (24.49%)	Microservices

12	36 (24.49%)	JIRA
13	35 (23.81%)	Big Data
14	34 (23.13%)	Confluence
14	34 (23.13%)	Python
15	31 (21.09%)	Lucene
16	30 (20.41%)	HBase
17	28 (19.05%)	Amazon AWS
18	27 (18.37%)	MVC
18	27 (18.37%)	REST
18	27 (18.37%)	HDFS
19	26 (17.69%)	Linux
20	25 (17.01%)	Apache
20	25 (17.01%)	Apache ZooKeeper
21	24 (16.33%)	Servlets
21	24 (16.33%)	Spring MVC

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
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	52 (35.37%)	Elasticsearch
2	39 (26.53%)	Apache Spark
3	34 (23.13%)	Confluence
4	25 (17.01%)	Apache
5	14 (9.52%)	Apache Pig
6	11 (7.48%)	WebSphere
7	8 (5.44%)	Adobe Experience Manager
7	8 (5.44%)	Tomcat
8	7 (4.76%)	JBoss
9	6 (4.08%)	CMS
10	5 (3.40%)	Drupal
10	5 (3.40%)	Mule
10	5 (3.40%)	nginx
10	5 (3.40%)	SharePoint
11	3 (2.04%)	MS Exchange
11	3 (2.04%)	WordPress
12	2 (1.36%)	IBM Domino
12	2 (1.36%)	IIS
12	2 (1.36%)	MQSeries
12	2 (1.36%)	Oracle Workflow

Business Applications
1	17 (11.56%)	SAP Hybris
2	1 (0.68%)	BusinessWorks
2	1 (0.68%)	SAP Oil and Gas

Cloud Services
1	28 (19.05%)	Amazon AWS
2	18 (12.24%)	Microsoft Azure
3	7 (4.76%)	GitHub
4	6 (4.08%)	Cloud Computing
5	3 (2.04%)	Amazon EC2
6	2 (1.36%)	Akamai
6	2 (1.36%)	Amazon CloudWatch
6	2 (1.36%)	Amazon S3
6	2 (1.36%)	Amazon SQS
6	2 (1.36%)	AWS Lambda
6	2 (1.36%)	CloudFront
6	2 (1.36%)	Office 365
6	2 (1.36%)	SaaS
7	1 (0.68%)	Amazon CloudSearch
7	1 (0.68%)	Amazon ElastiCache
7	1 (0.68%)	Amazon EMR
7	1 (0.68%)	Azure Data Factory
7	1 (0.68%)	Slack
7	1 (0.68%)	Trello
7	1 (0.68%)	Virtual Private Cloud

Communications & Networking
1	17 (11.56%)	Kerberos
2	8 (5.44%)	LDAP
3	5 (3.40%)	Network Security
4	4 (2.72%)	Skype
4	4 (2.72%)	SSL
5	2 (1.36%)	Intranet
5	2 (1.36%)	S/MIME
6	1 (0.68%)	HTTP
6	1 (0.68%)	Internet
6	1 (0.68%)	TCP/IP

Database & Business Intelligence
1	42 (28.57%)	Hadoop
2	35 (23.81%)	Big Data
3	30 (20.41%)	HBase
4	22 (14.97%)	Apache Cassandra
4	22 (14.97%)	NoSQL
5	20 (13.61%)	Apache Hive
6	16 (10.88%)	MongoDB
7	12 (8.16%)	DataStax
8	10 (6.80%)	MySQL
8	10 (6.80%)	Sqoop
9	9 (6.12%)	PostgreSQL
9	9 (6.12%)	SQL Server
10	6 (4.08%)	Impala
11	4 (2.72%)	Apache Zeppelin
11	4 (2.72%)	Data Warehouse
11	4 (2.72%)	Riak
12	3 (2.04%)	Data Mining
12	3 (2.04%)	MariaDB
12	3 (2.04%)	MarkLogic
12	3 (2.04%)	Relational Database

Development Applications
1	39 (26.53%)	Git (software)
2	36 (24.49%)	JIRA
3	17 (11.56%)	Jenkins
4	12 (8.16%)	Cucumber
5	11 (7.48%)	Selenium
6	10 (6.80%)	CasperJS
6	10 (6.80%)	PhantomJS
7	9 (6.12%)	IntelliJ
7	9 (6.12%)	Maven
8	6 (4.08%)	Bitbucket
8	6 (4.08%)	Karma Test Runner
9	5 (3.40%)	Atlassian Bamboo
9	5 (3.40%)	GitLab
9	5 (3.40%)	Hudson
9	5 (3.40%)	JUnit
10	4 (2.72%)	TeamCity
11	3 (2.04%)	gulp
11	3 (2.04%)	Talend Open Studio
12	2 (1.36%)	GoCD
12	2 (1.36%)	SonarQube

General
1	21 (14.29%)	Finance
2	14 (9.52%)	Banking
3	6 (4.08%)	Investment Banking
4	5 (3.40%)	Marketing
5	4 (2.72%)	Financial Institution
5	4 (2.72%)	Publishing
5	4 (2.72%)	Retail
6	3 (2.04%)	Advertising
6	3 (2.04%)	Legal
7	2 (1.36%)	Billing
7	2 (1.36%)	Manufacturing
7	2 (1.36%)	Telecoms
8	1 (0.68%)	Digital Economy
8	1 (0.68%)	Electronics
8	1 (0.68%)	Retail Banking

Job Titles
1	80 (54.42%)	Developer
2	31 (21.09%)	Java Developer
3	18 (12.24%)	Hybris Developer
4	14 (9.52%)	Architect
5	13 (8.84%)	Data Engineer
6	10 (6.80%)	Big Data Engineer
6	10 (6.80%)	Web Engineer
7	9 (6.12%)	Senior Developer
8	8 (5.44%)	Big Data Developer
9	7 (4.76%)	Administrator
9	7 (4.76%)	Applications Architect
9	7 (4.76%)	Hadoop Administrator
10	6 (4.08%)	Full Stack Developer
10	6 (4.08%)	Senior Java Developer
11	5 (3.40%)	Angular Developer
11	5 (3.40%)	Drupal Developer
11	5 (3.40%)	Hadoop Engineer
11	5 (3.40%)	Integration Architect
11	5 (3.40%)	Python Developer
11	5 (3.40%)	SAP Developer

Libraries, Frameworks & Software Standards
1	53 (36.05%)	Spring
2	49 (33.33%)	HTML
3	47 (31.97%)	CSS
4	41 (27.89%)	Kafka
5	40 (27.21%)	Spring Boot
6	31 (21.09%)	Lucene
7	27 (18.37%)	REST
8	24 (16.33%)	Servlets
8	24 (16.33%)	Spring MVC
9	23 (15.65%)	JSP
10	14 (9.52%)	AngularJS
10	14 (9.52%)	jQuery
11	13 (8.84%)	RabbitMQ
11	13 (8.84%)	Web Services
12	12 (8.16%)	Drools
12	12 (8.16%)	JMS
12	12 (8.16%)	RESTful
13	11 (7.48%)	HTML5
13	11 (7.48%)	JSON
14	10 (6.80%)	Django

Miscellaneous
1	14 (9.52%)	Algorithms
2	12 (8.16%)	Analytical Skills
3	7 (4.76%)	Distributed Denial-of-Service
4	6 (4.08%)	Data Structures
5	5 (3.40%)	Computer Science
5	5 (3.40%)	Mobile App
5	5 (3.40%)	Private Cloud
5	5 (3.40%)	Tandem
6	4 (2.72%)	Virtual Team
7	3 (2.04%)	Greenfield Project
8	2 (1.36%)	Digital Media
8	2 (1.36%)	Enterprise Software
8	2 (1.36%)	Management Information System
9	1 (0.68%)	Clustering
9	1 (0.68%)	Fintech
9	1 (0.68%)	Hedge funds
9	1 (0.68%)	Linux Command Line
9	1 (0.68%)	Mobile Banking
9	1 (0.68%)	Replication
9	1 (0.68%)	Social Network

Operating Systems
1	26 (17.69%)	Linux
2	12 (8.16%)	Unix
3	6 (4.08%)	Windows
4	4 (2.72%)	CentOS
4	4 (2.72%)	Red Hat Enterprise Linux
5	3 (2.04%)	Apple iOS
5	3 (2.04%)	Fedora
5	3 (2.04%)	Mac OS X
6	2 (1.36%)	Windows Server
7	1 (0.68%)	Android
7	1 (0.68%)	Windows Server 2012

Processes & Methodologies
1	73 (49.66%)	Agile Software Development
2	58 (39.46%)	TDD
3	36 (24.49%)	Microservices
4	27 (18.37%)	MVC
5	22 (14.97%)	Data Architecture
6	20 (13.61%)	DevOps
7	18 (12.24%)	BDD
7	18 (12.24%)	Waterfall
8	17 (11.56%)	Open Source
9	16 (10.88%)	MapReduce
10	12 (8.16%)	Scrum
11	11 (7.48%)	OO
11	11 (7.48%)	Pair Programming
12	9 (6.12%)	Computer Forensics
12	9 (6.12%)	Continuous Integration
12	9 (6.12%)	E-Discovery
12	9 (6.12%)	ETL
12	9 (6.12%)	Machine Learning
12	9 (6.12%)	SOA
13	8 (5.44%)	Content Management

Programming Languages
1	71 (48.30%)	Java
2	40 (27.21%)	JavaScript
3	39 (26.53%)	SQL
4	34 (23.13%)	Python
5	11 (7.48%)	XPath
6	9 (6.12%)	C#
7	7 (4.76%)	PHP
7	7 (4.76%)	Scala
8	6 (4.08%)	Groovy
8	6 (4.08%)	SPARQL
9	5 (3.40%)	Bash Shell
9	5 (3.40%)	Perl
10	4 (2.72%)	R
11	3 (2.04%)	GraphQL
11	3 (2.04%)	PowerShell
12	2 (1.36%)	C
13	1 (0.68%)	ActionScript
13	1 (0.68%)	Erlang
13	1 (0.68%)	Shell Script
13	1 (0.68%)	VB.NET

Qualifications
1	16 (10.88%)	Security Cleared
2	14 (9.52%)	SC Cleared
3	7 (4.76%)	CISA
3	7 (4.76%)	CISM
3	7 (4.76%)	CISSP
4	5 (3.40%)	Degree
5	2 (1.36%)	DBS Check
5	2 (1.36%)	Master's Degree
6	1 (0.68%)	DV Cleared

Quality Assurance & Compliance
1	6 (4.08%)	FedRAMP
1	6 (4.08%)	PCI DSS
1	6 (4.08%)	QA

System Software
1	27 (18.37%)	HDFS
2	25 (17.01%)	Apache ZooKeeper
3	22 (14.97%)	Docker
4	13 (8.84%)	Apache Flume
5	7 (4.76%)	Active Directory
6	1 (0.68%)	Varnish

Systems Management
1	12 (8.16%)	Ansible
2	11 (7.48%)	Kubernetes
2	11 (7.48%)	Terraform
3	10 (6.80%)	Hadoop YARN
3	10 (6.80%)	Kibana
4	8 (5.44%)	logstash
5	5 (3.40%)	Mesos
6	4 (2.72%)	Ambari
6	4 (2.72%)	Oozie
7	3 (2.04%)	Puppet
8	2 (1.36%)	FTK
8	2 (1.36%)	Rundeck
9	1 (0.68%)	Opscode Chef

Vendors
1	19 (12.93%)	SAP
2	18 (12.24%)	hybris
3	11 (7.48%)	Cloudera
4	8 (5.44%)	Adobe
5	7 (4.76%)	IBM
5	7 (4.76%)	Oracle
6	5 (3.40%)	Ab Initio
6	5 (3.40%)	HP
7	4 (2.72%)	Hortonworks
7	4 (2.72%)	Informatica
8	3 (2.04%)	Alteryx
8	3 (2.04%)	Tableau
8	3 (2.04%)	Talend
9	2 (1.36%)	Dynatrace
9	2 (1.36%)	Nuix
9	2 (1.36%)	Sybase
10	1 (0.68%)	Microsoft
10	1 (0.68%)	Novell
10	1 (0.68%)	Teradata
10	1 (0.68%)	TIBCO