The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 3 months to 23 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.

Open Source
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 38 41 49
Rank change year-on-year +3 +8  
Contract jobs citing Open Source 32 15 13
As % of all contract IT jobs advertised in Essex 7.48% 3.12% 2.07%
As % of the Processes & Methodologies category 8.23% 3.88% 2.64%
Number of daily rates quoted 22 2 10
Median daily rate £500 £338 £400
Median daily rate % change year-on-year +48.14% -15.62%  
UK excluding London median daily rate £475 £450 £400
% change year-on-year +5.55% +12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £31.22 £40.00
% change year-on-year +52.13% -21.94%  

Open Source is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Essex
Contract job vacancies with a requirement for process and methodology skills 389 387 492
As % of all contract IT job vacancies advertised in Essex 90.89% 80.46% 78.22%
Number of daily rates quoted 250 187 290
Median daily rate £500 £375 £400
Median daily rate % change year-on-year +33.33% -6.25%  
90% offered a daily rate of more than £350 £228 £290
10% offered a daily rate of more than £613 £500 £550
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 27 93 38
Median hourly rate £36.00 £27.50 £37.50
Median hourly rate % change year-on-year +30.90% -26.66%  
90% offered a hourly rate of more than £13.72 £16.50 £16.50
10% offered a hourly rate of more than £62.50 £42.50 £46.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

Open Source
Job Vacancy Trend in Essex

The job posting trend of jobs advertised in Essex citing Open Source as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Essex

Open Source
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Open Source in Essex.

Contractor daily rate trend for Open Source in Essex

Open Source
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing Open Source in Essex over the 3 months to 23 June 2017.

Contractor daily rate histogram for Open Source in Essex

Open Source
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Open Source in Essex.

Contractor hourly rate trend for Open Source in Essex

Open Source
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Open Source within the Essex region over the 3 months to 23 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
Southend-on-Sea -12 21 £500 -
Saffron Walden - 1 - -
Open Source
East of England

For the 6 months to 23 June 2017, IT contractor jobs citing Open Source 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 Essex region with a requirement for Open Source.

1 56 (82.35%) Agile Software Development
2 54 (79.41%) DevOps
3 47 (69.12%) Test Automation
4 45 (66.18%) TDD
4 45 (66.18%) Linux
5 43 (63.24%) SOA
5 43 (63.24%) Jenkins
6 42 (61.76%) HTTP
6 42 (61.76%) TCP/IP
6 42 (61.76%) SSL
7 41 (60.29%) Scrum
7 41 (60.29%) Continuous Integration
8 39 (57.35%) Middleware
9 38 (55.88%) Kanban
10 37 (54.41%) Configuration Management
11 35 (51.47%) Oracle
11 35 (51.47%) Red Hat Enterprise Linux
11 35 (51.47%) Git (software)
12 34 (50.00%) J2EE
12 34 (50.00%) Coaching
13 33 (48.53%) Mentoring
13 33 (48.53%) Relational Database
14 32 (47.06%) Puppet
15 31 (45.59%) User Stories
15 31 (45.59%) API Design
15 31 (45.59%) Apache
16 30 (44.12%) Opscode Chef
17 29 (42.65%) Docker
17 29 (42.65%) Java
18 28 (41.18%) Perl

Open Source
Co-occurring IT Skills in Essex 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 31 (45.59%) Apache
2 28 (41.18%) JBoss
2 28 (41.18%) Oracle SOA Suite
3 8 (11.76%) WebLogic
4 4 (5.88%) Adobe Experience Manager
4 4 (5.88%) Confluence
4 4 (5.88%) IIS
4 4 (5.88%) Jetty
4 4 (5.88%) Mongrel
4 4 (5.88%) nginx
4 4 (5.88%) Tomcat
4 4 (5.88%) WebSphere
5 2 (2.94%) Apache Pig
5 2 (2.94%) Apache Spark
5 2 (2.94%) Elasticsearch
6 1 (1.47%) OpenStack
6 1 (1.47%) Oracle HTTP Server
Business Applications
1 5 (7.35%) SAP Oil and Gas
2 4 (5.88%) Adobe Campaign
Cloud Services
1 12 (17.65%) Amazon AWS
2 6 (8.82%) Microsoft Azure
3 4 (5.88%) Google App Engine
3 4 (5.88%) Google Cloud Platform
4 3 (4.41%) Amazon EC2
5 2 (2.94%) GitHub
Communications & Networking
1 42 (61.76%) HTTP
1 42 (61.76%) SSL
1 42 (61.76%) TCP/IP
2 4 (5.88%) DHCP
2 4 (5.88%) DNS
2 4 (5.88%) Intranet
2 4 (5.88%) SMS
3 3 (4.41%) FTP
3 3 (4.41%) IPsec
4 2 (2.94%) Internet
Database & Business Intelligence
1 33 (48.53%) Relational Database
2 6 (8.82%) Big Data
3 4 (5.88%) MongoDB
4 2 (2.94%) Apache Cassandra
4 2 (2.94%) Apache Hive
4 2 (2.94%) Apache Zeppelin
4 2 (2.94%) Data Warehouse
4 2 (2.94%) Hadoop
4 2 (2.94%) HBase
4 2 (2.94%) Sqoop
5 1 (1.47%) Neo4j
5 1 (1.47%) PostgreSQL
5 1 (1.47%) Redis
Development Applications
1 43 (63.24%) Jenkins
2 35 (51.47%) Git (software)
3 28 (41.18%) Subversion
4 7 (10.29%) Selenium
4 7 (10.29%) SoapUI
4 7 (10.29%) XDoclet
5 5 (7.35%) Maven
6 4 (5.88%) JIRA
6 4 (5.88%) JIRA Agile
7 3 (4.41%) Travis CI
General
1 9 (13.24%) Marketing
2 7 (10.29%) Finance
2 7 (10.29%) Manufacturing
3 5 (7.35%) Electronics
3 5 (7.35%) Telecoms
4 4 (5.88%) Legal
5 2 (2.94%) Automotive
Job Titles
1 26 (38.24%) DevOps Engineer
2 13 (19.12%) Architect
3 9 (13.24%) Developer
4 8 (11.76%) Java Developer
4 8 (11.76%) Operations Engineer
5 7 (10.29%) Lead DevOps
6 5 (7.35%) Lead DevOps Engineer
7 4 (5.88%) Digital Architect
7 4 (5.88%) Digital Marketing Architect
7 4 (5.88%) SOA Architect
7 4 (5.88%) Technical Architect
8 3 (4.41%) Agile Coach
8 3 (4.41%) Linux/Unix DevOps
8 3 (4.41%) Scrum Master
9 2 (2.94%) Agile Scrum Master
9 2 (2.94%) Big Data Engineer
9 2 (2.94%) Data Engineer
9 2 (2.94%) DevOps Consultant
9 2 (2.94%) Digital Solutions Architect
9 2 (2.94%) Linux DevOps Engineer
Libraries, Frameworks & Software Standards
1 39 (57.35%) Middleware
2 34 (50.00%) J2EE
3 8 (11.76%) .NET
4 7 (10.29%) EJB
4 7 (10.29%) Java EE
4 7 (10.29%) Web Services
5 3 (4.41%) JSON
5 3 (4.41%) Play Framework
5 3 (4.41%) RESTful
5 3 (4.41%) Ruby on Rails
5 3 (4.41%) Servlets
5 3 (4.41%) Swagger
5 3 (4.41%) XSLT
6 2 (2.94%) Kafka
6 2 (2.94%) Spark Streaming
7 1 (1.47%) Dropwizard
7 1 (1.47%) JAX-RS
7 1 (1.47%) MyBatis
7 1 (1.47%) Natural Language Processing
7 1 (1.47%) POSIX
Miscellaneous
1 8 (11.76%) Virtual Team
2 4 (5.88%) Enterprise Software
2 4 (5.88%) Social Media
3 3 (4.41%) Greenfield Project
4 2 (2.94%) RIA
5 1 (1.47%) Analytical Skills
5 1 (1.47%) Computer Science
5 1 (1.47%) e-Health
Operating Systems
1 45 (66.18%) Linux
2 35 (51.47%) Red Hat Enterprise Linux
3 9 (13.24%) Unix
4 6 (8.82%) Mac OS X
5 2 (2.94%) CentOS
5 2 (2.94%) Fedora
6 1 (1.47%) Solaris
6 1 (1.47%) Windows
Processes & Methodologies
1 56 (82.35%) Agile Software Development
2 54 (79.41%) DevOps
3 47 (69.12%) Test Automation
4 45 (66.18%) TDD
5 43 (63.24%) SOA
6 41 (60.29%) Continuous Integration
6 41 (60.29%) Scrum
7 38 (55.88%) Kanban
8 37 (54.41%) Configuration Management
9 34 (50.00%) Coaching
10 33 (48.53%) Mentoring
11 31 (45.59%) API Design
11 31 (45.59%) User Stories
12 28 (41.18%) Microservices
12 28 (41.18%) Software Engineering
13 20 (29.41%) Continuous Delivery
14 18 (26.47%) Continuous Deployment
15 9 (13.24%) Digital Marketing
16 8 (11.76%) Business Intelligence
17 7 (10.29%) Analytics
Programming Languages
1 29 (42.65%) Java
2 28 (41.18%) Perl
3 18 (26.47%) C
4 11 (16.18%) Python
5 7 (10.29%) Groovy
5 7 (10.29%) SQL
6 5 (7.35%) Ruby
7 4 (5.88%) Shell Script
8 3 (4.41%) Scala
8 3 (4.41%) XPath
9 2 (2.94%) C++
9 2 (2.94%) R
10 1 (1.47%) C#
10 1 (1.47%) Go
10 1 (1.47%) Haskell
10 1 (1.47%) MATLAB
Qualifications
1 8 (11.76%) Security Cleared
2 6 (8.82%) BPSS Clearance
3 3 (4.41%) Degree
4 1 (1.47%) CISA
4 1 (1.47%) CISM
4 1 (1.47%) CISSP
4 1 (1.47%) Computer Science Degree
4 1 (1.47%) GSEC
4 1 (1.47%) SC Cleared
Quality Assurance & Compliance
1 3 (4.41%) Disclosure Scotland
System Software
1 29 (42.65%) Docker
2 9 (13.24%) VMware Infrastructure
3 5 (7.35%) Xen
4 2 (2.94%) Apache Flume
5 1 (1.47%) KVM
5 1 (1.47%) LXC
5 1 (1.47%) Slurm Workload Manager
5 1 (1.47%) Virtual Machines
Systems Management
1 32 (47.06%) Puppet
2 30 (44.12%) Opscode Chef
3 12 (17.65%) Ansible
4 1 (1.47%) Kibana
4 1 (1.47%) Mesos
Vendors
1 35 (51.47%) Oracle
2 28 (41.18%) WSO2
3 9 (13.24%) VMware
4 5 (7.35%) SAP
5 4 (5.88%) Adobe
5 4 (5.88%) Google
6 3 (4.41%) Microsoft
6 3 (4.41%) Red Hat
7 1 (1.47%) Pegasus