The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Open Source
Essex / Colchester
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 41 33 37
Rank change year-on-year -8 +4  
Permanent jobs citing Open Source 2 12 3
As % of all permanent IT jobs advertised in Colchester 0.97% 5.74% 1.82%
As % of the Processes & Methodologies category 1.09% 6.98% 2.11%
Number of salaries quoted 2 12 3
Median salary £41,250 £62,500 £45,000
Median salary % change year-on-year -34.00% +38.88%  
UK excluding London median salary £47,000 £47,500 £45,000
% change year-on-year -1.05% +5.55%  

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 permanent job vacancies advertised in Colchester with a requirement for process and methodology skills.

Process & Methodology Skills
Colchester
Permanent job vacancies with a requirement for process and methodology skills 183 172 142
As % of all permanent IT job vacancies advertised in Colchester 88.83% 82.30% 86.06%
Number of salaries quoted 160 150 114
Median salary £45,000 £42,500 £35,000
Median salary % change year-on-year +5.88% +21.42%  
90% offered a salary of more than £35,000 £30,000 £25,000
10% offered a salary of more than £57,500 £60,000 £62,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Open Source
Job Vacancy Trend in Colchester

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

Job vacancy trend for Open Source in Colchester

Open Source
Salary Trend in Colchester

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in Colchester.

Salary trend for Open Source in Colchester

For the 6 months to 24 June 2017, IT 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 job ads across the Colchester region with a requirement for Open Source.

1 3 (100.00%) JavaScript
1 3 (100.00%) CSS
1 3 (100.00%) HTML
2 2 (66.67%) Symfony
2 2 (66.67%) Twig
2 2 (66.67%) osCommerce
2 2 (66.67%) Ajax
2 2 (66.67%) PHP
3 1 (33.33%) PL/SQL
3 1 (33.33%) T-SQL
3 1 (33.33%) MySQL
3 1 (33.33%) Oracle
3 1 (33.33%) SQL Server
3 1 (33.33%) Ant
3 1 (33.33%) EJB
3 1 (33.33%) JSP
3 1 (33.33%) Servlets
3 1 (33.33%) SOAP
3 1 (33.33%) Web Services
3 1 (33.33%) Linux
3 1 (33.33%) OOP
3 1 (33.33%) OO
3 1 (33.33%) JBoss
3 1 (33.33%) Apache
3 1 (33.33%) Swing
3 1 (33.33%) Tomcat
3 1 (33.33%) E-Commerce
3 1 (33.33%) JMS
3 1 (33.33%) RDBMS
3 1 (33.33%) WebSphere

Open Source
Co-occurring IT Skills in Colchester 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 1 (33.33%) Apache
1 1 (33.33%) Apache Geronimo
1 1 (33.33%) Apache Pig
1 1 (33.33%) Apache Spark
1 1 (33.33%) GlassFish
1 1 (33.33%) JBoss
1 1 (33.33%) Tomcat
1 1 (33.33%) WebSphere
Applications
1 1 (33.33%) Weka
Business Applications
1 2 (66.67%) osCommerce
Database & Business Intelligence
1 1 (33.33%) Apache Hive
1 1 (33.33%) Big Data
1 1 (33.33%) CouchDB
1 1 (33.33%) Hadoop
1 1 (33.33%) Mahout
1 1 (33.33%) MongoDB
1 1 (33.33%) MySQL
1 1 (33.33%) Neo4j
1 1 (33.33%) NoSQL
1 1 (33.33%) Oracle Database
1 1 (33.33%) PostgreSQL
1 1 (33.33%) RDBMS
1 1 (33.33%) Relational Database
1 1 (33.33%) SQL Server
1 1 (33.33%) Sqoop
Development Applications
1 1 (33.33%) Ant
1 1 (33.33%) Gradle
1 1 (33.33%) Maven
General
1 1 (33.33%) Automotive
Job Titles
1 3 (100.00%) Developer
2 2 (66.67%) PHP Developer
3 1 (33.33%) HTML CSS Developer
3 1 (33.33%) HTML Developer
3 1 (33.33%) Java Developer
3 1 (33.33%) JavaScript Developer
3 1 (33.33%) Senior Developer
3 1 (33.33%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) CSS
1 3 (100.00%) HTML
2 2 (66.67%) Ajax
2 2 (66.67%) Symfony
2 2 (66.67%) Twig
3 1 (33.33%) EJB
3 1 (33.33%) FreeMarker
3 1 (33.33%) Hibernate
3 1 (33.33%) Java EE
3 1 (33.33%) JMS
3 1 (33.33%) JPA
3 1 (33.33%) JSP
3 1 (33.33%) REST
3 1 (33.33%) Servlets
3 1 (33.33%) SOAP
3 1 (33.33%) Spring
3 1 (33.33%) Spring MVC
3 1 (33.33%) Swing
3 1 (33.33%) TopLink
3 1 (33.33%) Web Services
Miscellaneous
1 1 (33.33%) Computer Science
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 1 (33.33%) Agile Software Development
1 1 (33.33%) Analytics
1 1 (33.33%) E-Commerce
1 1 (33.33%) MVC
1 1 (33.33%) OO
1 1 (33.33%) OOP
1 1 (33.33%) Open Source Development
Programming Languages
1 3 (100.00%) JavaScript
2 2 (66.67%) PHP
3 1 (33.33%) Java
3 1 (33.33%) PL/SQL
3 1 (33.33%) T-SQL
Qualifications
1 1 (33.33%) Degree
System Software
1 1 (33.33%) HDFS
Vendors
1 1 (33.33%) Alteryx
1 1 (33.33%) Oracle
1 1 (33.33%) Tableau