Period
to 22 November 2017

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 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Open Source
Essex > Colchester
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 41 31 42
Rank change year-on-year -10 +11 -7
Permanent jobs citing Open Source 2 24 17
As % of all permanent IT jobs advertised in Colchester 0.84% 6.72% 4.72%
As % of the Processes & Methodologies category 0.92% 7.62% 6.01%
Number of salaries quoted 2 24 17
Colchester median annual salary £40,000 £62,500 £50,000
Median salary % change year-on-year -36.00% +25.00% +17.65%
10th Percentile £35,250 £54,250 £32,500
90th Percentile £44,750 £68,750 £63,750
Essex median annual salary £40,000 £62,500 £50,000
% change year-on-year -36.00% +25.00% +17.65%

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

All Process and Methodology Skills
Colchester
Permanent vacancies with a requirement for process or methodology skills 217 315 283
As % of all permanent IT jobs advertised in Colchester 91.18% 88.24% 78.61%
Number of salaries quoted 176 270 267
Colchester median annual salary £50,000 £45,000 £40,000
Median salary % change year-on-year +11.11% +12.50% -
10th Percentile £31,386 £31,250 £26,250
90th Percentile £60,000 £68,750 £68,500
Essex median annual salary £45,500 £45,000 £40,000
% change year-on-year +1.11% +12.50% -8.83%

Open Source
Job Vacancy Trend in Colchester

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

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 22 November 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 2 (100.00%) HTML
1 2 (100.00%) JavaScript
1 2 (100.00%) PHP
1 2 (100.00%) CSS
1 2 (100.00%) Symfony
1 2 (100.00%) osCommerce
1 2 (100.00%) Twig
2 1 (50.00%) Open Source Development
2 1 (50.00%) HTML5
2 1 (50.00%) CSS3
2 1 (50.00%) Laravel

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:

Business Applications
1 2 (100.00%) osCommerce
Job Titles
1 2 (100.00%) Developer
1 2 (100.00%) PHP Developer
2 1 (50.00%) HTML CSS Developer
2 1 (50.00%) HTML Developer
2 1 (50.00%) JavaScript Developer
2 1 (50.00%) PHP Symfony Developer
2 1 (50.00%) Symfony Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) CSS
1 2 (100.00%) HTML
1 2 (100.00%) Symfony
1 2 (100.00%) Twig
2 1 (50.00%) CSS3
2 1 (50.00%) HTML5
2 1 (50.00%) Laravel
Processes & Methodologies
1 1 (50.00%) Open Source Development
Programming Languages
1 2 (100.00%) JavaScript
1 2 (100.00%) PHP