Period
to 28 September 2020

The following table provides summary statistics for permanent job vacancies with a requirement for Postfix skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Postfix over the 6 months to 28 September 2020 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
28 Sep 2020
Same period 2019 Same period 2018
Rank 674 1057 1159
Rank change year-on-year +383 +102 +12
Permanent jobs citing Postfix 12 23 26
As % of all permanent jobs advertised in the UK 0.025% 0.017% 0.016%
As % of the System Software category 0.13% 0.095% 0.11%
Number of salaries quoted 10 19 26
Median annual salary £75,000 £47,500 £44,500
Median salary % change year-on-year +57.89% +6.74% +11.25%
10th Percentile £69,375 £39,000 £24,750
90th Percentile £77,500 £61,500 £58,750
UK excluding London median annual salary £75,000 £47,500 £30,000
% change year-on-year +57.89% +58.33% -22.58%

Postfix is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 8,932 24,160 24,604
As % of all permanent IT jobs advertised in the UK 18.60% 17.33% 14.78%
Number of salaries quoted 7,515 19,814 20,129
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +11.11%
10th Percentile £31,250 £25,500 £24,750
90th Percentile £87,500 £85,000 £81,250
UK excluding London median annual salary £47,000 £42,500 £42,500
% change year-on-year +10.59% - +9.68%

Postfix
Job Vacancy Trend

Job postings citing Postfix as a proportion of all IT jobs advertised.

Job vacancy trend for Postfix in the UK

Postfix
Salary Trend

3-month moving average salary quoted in jobs citing Postfix.

Salary trend for Postfix in the UK

Postfix
Top 5 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Postfix within the UK over the 6 months to 28 September 2020. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +386 12 £75,000 +57.89% 1
London +283 11 £75,000 +36.36%
UK excluding London +305 2 £75,000 +57.89% 1
South East +220 1 £75,000 +76.47%
South West +132 1 £75,000 +57.89% 1

For the 6 months to 28 September 2020, IT jobs citing Postfix also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Postfix.

1 12 (100.00%) Java
1 12 (100.00%) JUnit
1 12 (100.00%) SOAP
1 12 (100.00%) Web Services
1 12 (100.00%) PostgreSQL
1 12 (100.00%) Scrum
1 12 (100.00%) Agile Software Development
1 12 (100.00%) TDD
1 12 (100.00%) ActiveMQ
1 12 (100.00%) Spring
1 12 (100.00%) Maven
1 12 (100.00%) Continuous Integration
1 12 (100.00%) Git (software)
1 12 (100.00%) RESTful
1 12 (100.00%) Amazon EC2
1 12 (100.00%) AWS
1 12 (100.00%) Open Source
1 12 (100.00%) DbUnit
1 12 (100.00%) Mockito
1 12 (100.00%) jMock
1 12 (100.00%) PowerMock
1 12 (100.00%) Jenkins
1 12 (100.00%) Microservices
1 12 (100.00%) SonarQube
2 11 (91.67%) Spring Cloud
2 11 (91.67%) Amazon RDS
2 11 (91.67%) AngularJS
2 11 (91.67%) BDD
2 11 (91.67%) Amazon SQS
2 11 (91.67%) Hibernate

Postfix
Co-occurring IT Skills 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:

Cloud Services
1 12 (100.00%) Amazon EC2
1 12 (100.00%) AWS
2 11 (91.67%) Amazon SQS
Database & Business Intelligence
1 12 (100.00%) PostgreSQL
2 11 (91.67%) Amazon RDS
3 1 (8.33%) Amazon Aurora
Development Applications
1 12 (100.00%) DbUnit
1 12 (100.00%) Git (software)
1 12 (100.00%) Jenkins
1 12 (100.00%) jMock
1 12 (100.00%) JUnit
1 12 (100.00%) Maven
1 12 (100.00%) Mockito
1 12 (100.00%) SonarQube
2 1 (8.33%) Bitbucket Server
General
1 8 (66.67%) Public Sector
Job Titles
1 11 (91.67%) Developer
2 10 (83.33%) Java Developer
3 3 (25.00%) Full Stack Developer
4 2 (16.67%) Integration Developer
4 2 (16.67%) Lead Developer
4 2 (16.67%) Lead Java Developer
4 2 (16.67%) SC Cleared Java Developer
4 2 (16.67%) Senior Developer
4 2 (16.67%) Senior Integration Developer
4 2 (16.67%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 12 (100.00%) ActiveMQ
1 12 (100.00%) PowerMock
1 12 (100.00%) RESTful
1 12 (100.00%) SOAP
1 12 (100.00%) Spring
1 12 (100.00%) Web Services
2 11 (91.67%) AngularJS
2 11 (91.67%) Hibernate
2 11 (91.67%) Spring Cloud
3 9 (75.00%) REST
4 8 (66.67%) JPA
5 2 (16.67%) Swing
6 1 (8.33%) React
6 1 (8.33%) Spring Batch
6 1 (8.33%) Spring Boot
6 1 (8.33%) Spring Integration
6 1 (8.33%) Twitter Bootstrap
Processes & Methodologies
1 12 (100.00%) Agile Software Development
1 12 (100.00%) Continuous Integration
1 12 (100.00%) Microservices
1 12 (100.00%) Open Source
1 12 (100.00%) Scrum
1 12 (100.00%) TDD
2 11 (91.67%) BDD
3 10 (83.33%) Kanban
4 9 (75.00%) BPMN
5 8 (66.67%) Biometrics
6 7 (58.33%) Migration
Programming Languages
1 12 (100.00%) Java
2 8 (66.67%) SQL
3 2 (16.67%) Java 8
4 1 (8.33%) JavaScript
Qualifications
1 9 (75.00%) SC Cleared
1 9 (75.00%) Security Cleared
System Software
1 1 (8.33%) Docker
Systems Management
1 1 (8.33%) Grafana
1 1 (8.33%) Prometheus
Vendors
1 1 (8.33%) Atlassian
1 1 (8.33%) Oracle