Period
to 27 January 2022

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Postfix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Postfix over the 6 months to 27 January 2022 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.

Postfix
England > London
6 months to
27 Jan 2022
Same period 2021 Same period 2020
Rank 580 405 507
Rank change year-on-year -175 +102 +115
Contract jobs citing Postfix 5 3 8
As % of all contract jobs advertised in London 0.013% 0.017% 0.027%
As % of the System Software category 0.097% 0.12% 0.18%
Number of daily rates quoted 4 2 6
10th Percentile £360 £231 £494
25th Percentile £437 £277 £506
Median daily rate (50th Percentile) £480 £356 £513
Median % change year-on-year +34.74% -30.49% -10.87%
75th Percentile £504 £439 £519
90th Percentile £547 £487 £550
England median daily rate £575 £300 £500
% change year-on-year +91.67% -40.00% +9.59%

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

All System Software Skills
London
Contract vacancies with a requirement for system software skills 5,131 2,481 4,351
As % of all contract IT jobs advertised in London 13.64% 13.84% 14.62%
Number of daily rates quoted 3,838 1,834 3,235
10th Percentile £325 £311 £185
25th Percentile £463 £414 £363
Median daily rate (50th Percentile) £550 £500 £500
Median % change year-on-year +10.00% - -4.76%
75th Percentile £655 £600 £600
90th Percentile £725 £700 £675
England median daily rate £525 £475 £450
% change year-on-year +10.53% +5.56% -5.26%
Number of hourly rates quoted 54 22 104
10th Percentile £16.50 £12.52 £12.44
25th Percentile £20.37 £13.34 £15.20
Median hourly rate £24.50 £22.75 £18.60
Median % change year-on-year +7.69% +22.31% -4.62%
75th Percentile £37.26 £45.75 £22.00
90th Percentile £63.68 £60.00 £50.00
England median hourly rate £17.50 £17.50 £16.50
% change year-on-year - +6.06% +3.13%

Postfix
Job Vacancy Trend in London

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

Job vacancy trend for Postfix in London

Postfix
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Postfix in London.

Daily rate trend for Postfix in London

Postfix
Daily Rate Histogram in London

Daily rate distribution for jobs citing Postfix in London over the 6 months to 27 January 2022.

Daily rate histogram for Postfix in London

Postfix
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Postfix in London.

Hourly rate trend for Postfix in London

For the 6 months to 27 January 2022, IT contractor 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 contract job ads across the London region with a requirement for Postfix.

1 3 (60.00%) Open Source
2 2 (40.00%) Shibboleth
2 2 (40.00%) DbUnit
2 2 (40.00%) Mockito
2 2 (40.00%) BDD
2 2 (40.00%) DKIM
2 2 (40.00%) DMARC
2 2 (40.00%) Spring Cloud
2 2 (40.00%) Java 8
2 2 (40.00%) AWS KMS
2 2 (40.00%) Java 11
2 2 (40.00%) Amazon SQS
2 2 (40.00%) REST
2 2 (40.00%) Redis
2 2 (40.00%) PowerMock
2 2 (40.00%) Percona
2 2 (40.00%) Jenkins
2 2 (40.00%) Amazon RDS
2 2 (40.00%) Ansible
2 2 (40.00%) Microservices
2 2 (40.00%) SonarQube
2 2 (40.00%) DNS
2 2 (40.00%) Red Hat
2 2 (40.00%) LAMP
2 2 (40.00%) PostgreSQL
2 2 (40.00%) Hibernate
2 2 (40.00%) Scrum
2 2 (40.00%) VMware
2 2 (40.00%) Agile Software Development
2 2 (40.00%) TDD

Postfix
Co-occurring IT Skills in London 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 2 (40.00%) Apache
1 2 (40.00%) Apache Solr
1 2 (40.00%) Drupal
1 2 (40.00%) WordPress
Cloud Services
1 2 (40.00%) Amazon EC2
1 2 (40.00%) Amazon SQS
1 2 (40.00%) AWS
1 2 (40.00%) AWS KMS
1 2 (40.00%) Azure
Communications & Networking
1 2 (40.00%) DKIM
1 2 (40.00%) DMARC
1 2 (40.00%) DNS
2 1 (20.00%) IMAP
2 1 (20.00%) SMTP
Database & Business Intelligence
1 2 (40.00%) Amazon RDS
1 2 (40.00%) MySQL
1 2 (40.00%) PostgreSQL
1 2 (40.00%) Redis
Development Applications
1 2 (40.00%) DbUnit
1 2 (40.00%) Git (software)
1 2 (40.00%) Jenkins
1 2 (40.00%) jMock
1 2 (40.00%) JUnit
1 2 (40.00%) Maven
1 2 (40.00%) Mockito
1 2 (40.00%) SonarQube
Job Titles
1 2 (40.00%) Administrator
1 2 (40.00%) Azure Administrator
1 2 (40.00%) Developer
1 2 (40.00%) Java Developer
1 2 (40.00%) Linux Administrator
1 2 (40.00%) Linux Systems Administrator
1 2 (40.00%) Systems Administrator
2 1 (20.00%) SC Cleared Java Developer
Libraries, Frameworks & Software Standards
1 2 (40.00%) ActiveMQ
1 2 (40.00%) Hibernate
1 2 (40.00%) JPA
1 2 (40.00%) LAMP
1 2 (40.00%) PowerMock
1 2 (40.00%) REST
1 2 (40.00%) RESTful
1 2 (40.00%) SOAP
1 2 (40.00%) Spring
1 2 (40.00%) Spring Cloud
1 2 (40.00%) Web Services
Operating Systems
1 2 (40.00%) Linux
1 2 (40.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 3 (60.00%) Open Source
2 2 (40.00%) Agile Software Development
2 2 (40.00%) BDD
2 2 (40.00%) BPMN
2 2 (40.00%) Continuous Integration
2 2 (40.00%) Microservices
2 2 (40.00%) Scrum
2 2 (40.00%) TDD
Programming Languages
1 2 (40.00%) Java
1 2 (40.00%) Java 11
1 2 (40.00%) Java 8
1 2 (40.00%) PHP
1 2 (40.00%) SQL
Qualifications
1 2 (40.00%) SC Cleared
1 2 (40.00%) Security Cleared
System Software
1 2 (40.00%) Shibboleth
2 1 (20.00%) Dovecot
Systems Management
1 2 (40.00%) Ansible
Vendors
1 2 (40.00%) Percona
1 2 (40.00%) Red Hat
1 2 (40.00%) VMware