Period
to 19 November 2017

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 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.

Open Source
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 58 39 50
Rank change year-on-year -19 +11 +37
Contract jobs citing Open Source 37 42 40
As % of all contract IT jobs advertised in Essex 4.71% 4.82% 3.29%
As % of the Processes & Methodologies category 5.49% 5.65% 4.17%
Number of daily rates quoted 29 29 34
Essex median daily rate £525 £430 £513
Median daily rate % change year-on-year +22.09% -16.10% +46.43%
10th Percentile £413 £350 £375
90th Percentile £603 £569 £600
East of England median daily rate £500 £406 £500
% change year-on-year +23.08% -18.75% +25.00%
Number of hourly rates quoted 0 2 1
Essex median hourly rate - £42.75 £46.50
Median hourly rate % change year-on-year - -8.06% -
East of England median hourly rate - £42.75 £65.00
% change year-on-year - -34.23% -

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

All Process and Methodology Skills
Essex
Contract vacancies with a requirement for process or methodology skills 674 744 960
As % of all contract IT jobs advertised in Essex 85.75% 85.42% 78.95%
Number of daily rates quoted 464 449 532
Essex median daily rate £500 £350 £400
Median daily rate % change year-on-year +42.86% -12.50% -
10th Percentile £300 £225 £250
90th Percentile £600 £526 £549
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 60 143 146
Essex median hourly rate £31.27 £31.50 £31.50
Median hourly rate % change year-on-year -0.75% - +6.78%
10th Percentile £12.22 £15.75 £15.75
90th Percentile £63.75 £43.60 £44.13
East of England median hourly rate £31.03 £31.48 £25.00
% change year-on-year -1.41% +25.90% +3.65%

Open Source
Job Vacancy Trend in Essex

Job postings citing Open Source as a percentage of all IT jobs advertised in Essex.

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 6 months to 19 November 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 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
Southend-on-Sea -20 26 £550 +12.14%
Saffron Walden - 1 - - 1
Open Source
East of England

For the 6 months to 19 November 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 32 (86.49%) Agile Software Development
2 30 (81.08%) DevOps
3 29 (78.38%) Linux
4 28 (75.68%) Continuous Integration
4 28 (75.68%) Test Automation
5 27 (72.97%) Red Hat Enterprise Linux
5 27 (72.97%) Middleware
6 26 (70.27%) TDD
7 25 (67.57%) SOA
7 25 (67.57%) HTTP
7 25 (67.57%) TCP/IP
7 25 (67.57%) SSL
7 25 (67.57%) Mentoring
8 24 (64.86%) Relational Database
8 24 (64.86%) Scrum
8 24 (64.86%) Kanban
9 23 (62.16%) Jenkins
9 23 (62.16%) Configuration Management
10 20 (54.05%) Coaching
11 19 (51.35%) API Design
12 18 (48.65%) Git (software)
12 18 (48.65%) Apache
12 18 (48.65%) User Stories
12 18 (48.65%) Subversion
12 18 (48.65%) Software Engineering
13 17 (45.95%) WSO2
13 17 (45.95%) Puppet
13 17 (45.95%) Oracle SOA Suite
13 17 (45.95%) JBoss
13 17 (45.95%) J2EE

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 18 (48.65%) Apache
2 17 (45.95%) JBoss
2 17 (45.95%) Oracle SOA Suite
3 2 (5.41%) WebLogic
4 1 (2.70%) Apache Pig
4 1 (2.70%) Apache Spark
4 1 (2.70%) Blackberry Enterprise Server
4 1 (2.70%) Elasticsearch
4 1 (2.70%) Exchange Server 2007
4 1 (2.70%) Exchange Server 2010
4 1 (2.70%) Exchange Server 2013
4 1 (2.70%) IIS
4 1 (2.70%) Jetty
4 1 (2.70%) Mongrel
4 1 (2.70%) MS Exchange
4 1 (2.70%) nginx
4 1 (2.70%) Tomcat
4 1 (2.70%) WebSphere
Applications
1 1 (2.70%) Microsoft Office
Cloud Services
1 12 (32.43%) Amazon AWS
2 8 (21.62%) Microsoft Azure
3 6 (16.22%) GitHub
4 1 (2.70%) Amazon EC2
4 1 (2.70%) Google App Engine
4 1 (2.70%) Google Cloud Platform
4 1 (2.70%) Office 365
Communications & Networking
1 25 (67.57%) HTTP
1 25 (67.57%) SSL
1 25 (67.57%) TCP/IP
2 1 (2.70%) DHCP
2 1 (2.70%) DNS
2 1 (2.70%) Firewall
2 1 (2.70%) FTP
2 1 (2.70%) IPsec
Database & Business Intelligence
1 24 (64.86%) Relational Database
2 2 (5.41%) MongoDB
3 1 (2.70%) Apache Cassandra
3 1 (2.70%) Apache Hive
3 1 (2.70%) Apache Zeppelin
3 1 (2.70%) Big Data
3 1 (2.70%) Data Warehouse
3 1 (2.70%) Hadoop
3 1 (2.70%) HBase
3 1 (2.70%) PostgreSQL
3 1 (2.70%) Redis
3 1 (2.70%) SQL Server
3 1 (2.70%) SQL Server 2008
3 1 (2.70%) SQL Server 2012
3 1 (2.70%) Sqoop
Development Applications
1 23 (62.16%) Jenkins
2 18 (48.65%) Git (software)
2 18 (48.65%) Subversion
3 4 (10.81%) GitLab
3 4 (10.81%) JIRA
4 1 (2.70%) Cucumber
4 1 (2.70%) JMeter
4 1 (2.70%) Maven
4 1 (2.70%) Selenium
4 1 (2.70%) SoapUI
4 1 (2.70%) Travis CI
4 1 (2.70%) Zephyr
Job Titles
1 18 (48.65%) DevOps Engineer
2 9 (24.32%) Linux/Unix DevOps
3 8 (21.62%) Architect
3 8 (21.62%) Linux DevOps Engineer
3 8 (21.62%) Linux Engineer
4 4 (10.81%) AWS DevOps
5 3 (8.11%) Infrastructure Engineer
5 3 (8.11%) Operations Engineer
6 2 (5.41%) AWS DevOps Engineer
6 2 (5.41%) AWS Engineer
6 2 (5.41%) DevOps Architect
7 1 (2.70%) AWS Architect
7 1 (2.70%) Azure DevOps
7 1 (2.70%) Cloud Architect
7 1 (2.70%) Cloud Engineer
7 1 (2.70%) Data Engineer
7 1 (2.70%) DevOps Consultant
7 1 (2.70%) Lead DevOps
7 1 (2.70%) Senior DevOps
7 1 (2.70%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 27 (72.97%) Middleware
2 17 (45.95%) J2EE
3 2 (5.41%) .NET
4 1 (2.70%) Kafka
4 1 (2.70%) MyBatis
4 1 (2.70%) Servlets
4 1 (2.70%) SOAP
4 1 (2.70%) Spark Streaming
4 1 (2.70%) Web Services
4 1 (2.70%) XML
Miscellaneous
1 1 (2.70%) Analytical Skills
1 1 (2.70%) Blackberry
1 1 (2.70%) Clustering
1 1 (2.70%) Replication
1 1 (2.70%) RIA
Operating Systems
1 29 (78.38%) Linux
2 27 (72.97%) Red Hat Enterprise Linux
3 6 (16.22%) Mac OS X
3 6 (16.22%) Unix
4 2 (5.41%) Solaris
5 1 (2.70%) Windows
5 1 (2.70%) Windows Server
5 1 (2.70%) Windows Server 2008
5 1 (2.70%) Windows Server 2012
Processes & Methodologies
1 32 (86.49%) Agile Software Development
2 30 (81.08%) DevOps
3 28 (75.68%) Continuous Integration
3 28 (75.68%) Test Automation
4 26 (70.27%) TDD
5 25 (67.57%) Mentoring
5 25 (67.57%) SOA
6 24 (64.86%) Kanban
6 24 (64.86%) Scrum
7 23 (62.16%) Configuration Management
8 20 (54.05%) Coaching
9 19 (51.35%) API Design
10 18 (48.65%) Software Engineering
10 18 (48.65%) User Stories
11 17 (45.95%) Microservices
12 9 (24.32%) Continuous Deployment
13 7 (18.92%) Continuous Delivery
13 7 (18.92%) Software Architecture
14 5 (13.51%) Critical Success Factor
14 5 (13.51%) Strategic Thinking
Programming Languages
1 15 (40.54%) Java
1 15 (40.54%) Perl
2 10 (27.03%) C
3 6 (16.22%) Python
3 6 (16.22%) Ruby
4 2 (5.41%) Shell Script
4 2 (5.41%) SQL
5 1 (2.70%) Scala
Qualifications
1 1 (2.70%) Degree
1 1 (2.70%) Security Cleared
1 1 (2.70%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 1 (2.70%) Disclosure Scotland
1 1 (2.70%) QA
System Software
1 17 (45.95%) Docker
2 3 (8.11%) VMware Infrastructure
3 2 (5.41%) Virtual Machines
4 1 (2.70%) Active Directory
4 1 (2.70%) Apache Flume
4 1 (2.70%) Hyper-V
4 1 (2.70%) Microsoft Virtual Server
4 1 (2.70%) Terminal Server
4 1 (2.70%) Terminal Services
4 1 (2.70%) Virtual Servers
4 1 (2.70%) VMware ESXi
4 1 (2.70%) Xen
4 1 (2.70%) XenDesktop
4 1 (2.70%) XenServer
Systems Management
1 17 (45.95%) Puppet
2 16 (43.24%) Opscode Chef
3 13 (35.14%) Ansible
4 1 (2.70%) Kibana
4 1 (2.70%) Terraform
Vendors
1 17 (45.95%) Oracle
1 17 (45.95%) WSO2
2 4 (10.81%) Atlassian
3 3 (8.11%) VMware
4 2 (5.41%) Microsoft
5 1 (2.70%) Cisco
5 1 (2.70%) Citrix
5 1 (2.70%) Google