Period
to 3 July 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 3 July 2020 with a comparison to the same period in the previous 2 years.

Postfix
UK
6 months to
3 Jul 2020
Same period 2019 Same period 2018
Rank 828 1070 1183
Rank change year-on-year +242 +113 -46
Permanent jobs citing Postfix 16 48 36
As % of all permanent jobs advertised in the UK 0.020% 0.033% 0.020%
As % of the System Software category 0.11% 0.19% 0.14%
Number of salaries quoted 22 36 34
Median annual salary £70,000 £60,000 £49,500
Median salary % change year-on-year +16.67% +21.21% +23.75%
10th Percentile £52,875 £36,250 £24,750
90th Percentile £77,500 £75,000 £65,750
UK excluding London median annual salary £70,000 £60,000 £35,500
% change year-on-year +16.67% +69.01% -11.25%

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 13,942 24,749 25,407
As % of all permanent IT jobs advertised in the UK 17.61% 16.89% 14.34%
Number of salaries quoted 11,356 20,319 20,630
Median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +11.76%
10th Percentile £28,000 £25,750 £25,000
90th Percentile £87,500 £85,000 £80,000
UK excluding London median annual salary £45,000 £42,500 £41,500
% change year-on-year +5.88% +2.41% +10.67%

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
Salary Histogram

Salary distribution for jobs citing Postfix over the 6 months to 3 July 2020.

Salary histogram for Postfix in the UK

Postfix
Top 9 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 3 July 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 +251 15 £70,000 +16.67% 2
UK excluding London +215 11 £70,000 +16.67% 2
South East +142 8 £70,000 - 1
London +156 5 £75,000 +25.00%
Midlands +122 4 £70,000 +7.69%
West Midlands +87 4 £70,000 +7.69%
South West - 3 £70,000 -
Yorkshire - 2 £70,000 -
North of England - 2 £70,000 -

For the 6 months to 3 July 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 14 (87.50%) PostgreSQL
2 13 (81.25%) Agile Software Development
2 13 (81.25%) Continuous Integration
2 13 (81.25%) AWS
3 12 (75.00%) Git (software)
4 11 (68.75%) Kanban
4 11 (68.75%) RESTful
4 11 (68.75%) Amazon EC2
4 11 (68.75%) Open Source
4 11 (68.75%) DbUnit
4 11 (68.75%) Mockito
4 11 (68.75%) BDD
4 11 (68.75%) Amazon SQS
4 11 (68.75%) PowerMock
4 11 (68.75%) Jenkins
4 11 (68.75%) Amazon RDS
4 11 (68.75%) SonarQube
4 11 (68.75%) Spring Cloud
4 11 (68.75%) TDD
4 11 (68.75%) ActiveMQ
4 11 (68.75%) jMock
4 11 (68.75%) Scrum
4 11 (68.75%) Spring
4 11 (68.75%) Maven
4 11 (68.75%) Java
4 11 (68.75%) JUnit
4 11 (68.75%) SOAP
4 11 (68.75%) Web Services
5 10 (62.50%) Hibernate
5 10 (62.50%) Microservices

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:

Application Platforms
1 1 (6.25%) Exchange Server 2013
1 1 (6.25%) IIS
Cloud Services
1 13 (81.25%) AWS
2 11 (68.75%) Amazon EC2
2 11 (68.75%) Amazon SQS
3 2 (12.50%) Azure
3 2 (12.50%) Datadog
3 2 (12.50%) Slack
4 1 (6.25%) SaaS
Communications & Networking
1 1 (6.25%) Firewall
1 1 (6.25%) LAN
1 1 (6.25%) Skype
1 1 (6.25%) VoIP
1 1 (6.25%) VPN
1 1 (6.25%) WAN
Database & Business Intelligence
1 14 (87.50%) PostgreSQL
2 11 (68.75%) Amazon RDS
3 4 (25.00%) SQL Server
4 2 (12.50%) Cognos Impromptu
4 2 (12.50%) NoSQL
5 1 (6.25%) Data Warehouse
5 1 (6.25%) MySQL
5 1 (6.25%) SQLite
Development Applications
1 12 (75.00%) Git (software)
2 11 (68.75%) DbUnit
2 11 (68.75%) Jenkins
2 11 (68.75%) jMock
2 11 (68.75%) JUnit
2 11 (68.75%) Maven
2 11 (68.75%) Mockito
2 11 (68.75%) SonarQube
3 2 (12.50%) Atlassian Bamboo
3 2 (12.50%) JIRA
3 2 (12.50%) YouTrack
General
1 4 (25.00%) Public Sector
2 1 (6.25%) Retail
Job Titles
1 11 (68.75%) Developer
1 11 (68.75%) Java Developer
2 2 (12.50%) Analyst
2 2 (12.50%) DevOps Engineer
2 2 (12.50%) QA Analyst
2 2 (12.50%) QA Tester
2 2 (12.50%) Software Analyst
2 2 (12.50%) Software QA Tester
2 2 (12.50%) Software Tester
2 2 (12.50%) Tester
3 1 (6.25%) Full Stack Developer
3 1 (6.25%) IT Manager
3 1 (6.25%) Platform Engineer
Libraries, Frameworks & Software Standards
1 11 (68.75%) ActiveMQ
1 11 (68.75%) PowerMock
1 11 (68.75%) RESTful
1 11 (68.75%) SOAP
1 11 (68.75%) Spring
1 11 (68.75%) Spring Cloud
1 11 (68.75%) Web Services
2 10 (62.50%) Hibernate
3 8 (50.00%) JPA
4 6 (37.50%) REST
5 3 (18.75%) AngularJS
5 3 (18.75%) Spring Boot
6 2 (12.50%) .NET
6 2 (12.50%) WPF
7 1 (6.25%) J2EE
Miscellaneous
1 1 (6.25%) NHS
Operating Systems
1 3 (18.75%) Linux
2 2 (12.50%) Red Hat Enterprise Linux
3 1 (6.25%) Debian
3 1 (6.25%) Windows
3 1 (6.25%) Windows Server
Processes & Methodologies
1 13 (81.25%) Agile Software Development
1 13 (81.25%) Continuous Integration
2 11 (68.75%) BDD
2 11 (68.75%) Kanban
2 11 (68.75%) Open Source
2 11 (68.75%) Scrum
2 11 (68.75%) TDD
3 10 (62.50%) Microservices
4 7 (43.75%) DevOps
5 3 (18.75%) Biometrics
6 2 (12.50%) BPMN
6 2 (12.50%) Infrastructure as Code
6 2 (12.50%) Manual Testing
6 2 (12.50%) Migration
6 2 (12.50%) Prototyping
6 2 (12.50%) Rapid Prototyping
6 2 (12.50%) Software Engineering
6 2 (12.50%) Software Testing
6 2 (12.50%) Test Scripting
6 2 (12.50%) Virtual Infrastructure
Programming Languages
1 11 (68.75%) Java
2 6 (37.50%) SQL
3 3 (18.75%) Java 8
4 2 (12.50%) Bash Shell
4 2 (12.50%) C#
4 2 (12.50%) PHP
4 2 (12.50%) Python
5 1 (6.25%) Shell Script
Qualifications
1 8 (50.00%) Security Cleared
2 7 (43.75%) SC Cleared
Quality Assurance & Compliance
1 2 (12.50%) QA
2 1 (6.25%) GDPR
2 1 (6.25%) PCI DSS
2 1 (6.25%) PMO
System Software
1 5 (31.25%) Docker
2 2 (12.50%) VMware Infrastructure
3 1 (6.25%) VMware ESXi
3 1 (6.25%) VMware Workstation
Systems Management
1 5 (31.25%) Kubernetes
2 2 (12.50%) Ansible
2 2 (12.50%) Puppet
2 2 (12.50%) Terraform
Vendors
1 4 (25.00%) Microsoft
2 3 (18.75%) VMware
3 2 (12.50%) Black Duck
3 2 (12.50%) Red Hat