Period
to 24 February 2018

The following table provides summary statistics for permanent job vacancies with a requirement for The Twelve-Factor App skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited The Twelve-Factor App over the 6 months to 24 February 2018 with a comparison to the same period in the previous 2 years.

Twelve-Factor Application Methodology
UK
6 months to
24 Feb 2018
Same period 2017 Same period 2016
Rank 1077 1162 1289
Rank change year-on-year +85 +127 +19
Permanent jobs citing The Twelve-Factor App 95 10 15
As % of all permanent IT jobs advertised in the UK 0.054% 0.006% 0.007%
As % of the Processes & Methodologies category 0.060% 0.006% 0.008%
Number of salaries quoted 32 9 5
UK median annual salary £75,000 £52,500 £55,000
Median salary % change year-on-year +42.86% -4.55% +37.50%
10th Percentile £55,125 £46,000 £49,350
90th Percentile £134,750 £62,500 £77,250
UK excluding London median annual salary £62,500 - £55,000

The Twelve-Factor App 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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 157,432 157,308 187,549
As % of all permanent IT jobs advertised in the UK 89.88% 89.54% 88.84%
Number of salaries quoted 128,025 129,519 155,322
UK median annual salary £50,000 £48,500 £47,500
Median salary % change year-on-year +3.09% +2.11% +5.56%
10th Percentile £29,000 £28,250 £27,500
90th Percentile £81,250 £78,750 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

The Twelve-Factor App
Job Vacancy Trend

Job postings citing The Twelve-Factor App as a percentage of all IT jobs advertised.

Job vacancy trend for The Twelve-Factor App in the UK

The Twelve-Factor App
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing The Twelve-Factor App.

Salary trend for The Twelve-Factor App in the UK

The Twelve-Factor App
Salary Histogram

The salary distribution of IT jobs citing The Twelve-Factor App over the 6 months to 24 February 2018.

Salary histogram for The Twelve-Factor App in the UK

The Twelve-Factor App
Top 6 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing The Twelve-Factor App within the UK over the 6 months to 24 February 2018. 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 +91 95 £75,000 +42.86% 9
UK excluding London - 64 £62,500 - 6
East of England - 49 £75,000 - 3
London +21 31 £75,000 +42.86% 3
South East - 12 £60,000 - 1
South West - 3 £57,500 - 2

For the 6 months to 24 February 2018, IT jobs citing The Twelve-Factor App 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 The Twelve-Factor App.

1 59 (62.11%) DevOps
2 52 (54.74%) Software Engineering
3 49 (51.58%) Data Centre
4 48 (50.53%) Public Cloud
4 48 (50.53%) VMware
5 46 (48.42%) Linux
6 41 (43.16%) Amazon AWS
7 35 (36.84%) Microsoft Azure
7 35 (36.84%) Microservices
8 33 (34.74%) Infrastructure Transformation
9 32 (33.68%) Windows
9 32 (33.68%) Agile Software Development
10 31 (32.63%) HTML
11 30 (31.58%) Java
12 28 (29.47%) OpenStack
13 27 (28.42%) Python
13 27 (28.42%) Stakeholder Management
14 26 (27.37%) Finance
14 26 (27.37%) Opscode Chef
14 26 (27.37%) Docker
14 26 (27.37%) vCenter Server
15 25 (26.32%) VMware NSX
15 25 (26.32%) DHCP
15 25 (26.32%) DNS
16 24 (25.26%) Puppet
17 23 (24.21%) NoSQL
18 22 (23.16%) MongoDB
19 21 (22.11%) SQL
19 21 (22.11%) MySQL
19 21 (22.11%) PostgreSQL

The Twelve-Factor App
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 28 (29.47%) OpenStack
2 3 (3.16%) CMS
3 2 (2.11%) Apache
4 1 (1.05%) Cloud Foundry
4 1 (1.05%) Elasticsearch
Applications
1 1 (1.05%) Microsoft Office
Cloud Services
1 41 (43.16%) Amazon AWS
2 35 (36.84%) Microsoft Azure
3 13 (13.68%) Akamai
4 12 (12.63%) OpenShift
4 12 (12.63%) PaaS
5 10 (10.53%) SaaS
6 3 (3.16%) AWS CloudFormation
6 3 (3.16%) IaaS
7 2 (2.11%) Amazon EC2
7 2 (2.11%) Amazon S3
7 2 (2.11%) CloudFront
7 2 (2.11%) GitHub
7 2 (2.11%) Google Cloud Platform
8 1 (1.05%) Amazon ElastiCache
8 1 (1.05%) Amazon ELB
8 1 (1.05%) Amazon SQS
8 1 (1.05%) AWS Elastic Beanstalk
8 1 (1.05%) Route 53
8 1 (1.05%) Slack
Communications & Networking
1 25 (26.32%) DHCP
1 25 (26.32%) DNS
2 15 (15.79%) DWDM
2 15 (15.79%) MPLS
2 15 (15.79%) WAN
3 14 (14.74%) BGP
3 14 (14.74%) DMVPN
3 14 (14.74%) IGRP
3 14 (14.74%) IPsec
3 14 (14.74%) NetScaler
3 14 (14.74%) Network Security
3 14 (14.74%) OSPF
3 14 (14.74%) SSL
3 14 (14.74%) VPN
4 13 (13.68%) 802.11
4 13 (13.68%) Cisco ASA
4 13 (13.68%) Firewall
4 13 (13.68%) HTTPS
4 13 (13.68%) Internet
4 13 (13.68%) Wi-Fi
Database & Business Intelligence
1 23 (24.21%) NoSQL
2 22 (23.16%) MongoDB
3 21 (22.11%) MySQL
3 21 (22.11%) PostgreSQL
4 11 (11.58%) MariaDB
5 8 (8.42%) Apache Cassandra
5 8 (8.42%) Cloud Spanner
5 8 (8.42%) NewSQL
6 7 (7.37%) Big Data
7 3 (3.16%) Redis
7 3 (3.16%) Squirro
8 1 (1.05%) Amazon DynamoDB
8 1 (1.05%) Amazon RDS
8 1 (1.05%) Hazelcast
8 1 (1.05%) Relational Database
Development Applications
1 15 (15.79%) Git (software)
2 6 (6.32%) Vagrant
3 5 (5.26%) Appcelerator Titanium
3 5 (5.26%) Jenkins
4 4 (4.21%) JUnit
5 3 (3.16%) Cucumber
5 3 (3.16%) Mockito
6 2 (2.11%) Atlassian Bamboo
6 2 (2.11%) IntelliJ
6 2 (2.11%) Spock
7 1 (1.05%) Artifactory
7 1 (1.05%) Bitbucket
7 1 (1.05%) JBehave
7 1 (1.05%) Karma Test Runner
7 1 (1.05%) Maven
7 1 (1.05%) Mocha
7 1 (1.05%) PHPUnit
7 1 (1.05%) Protractor
7 1 (1.05%) Sinon.JS
7 1 (1.05%) TeamCity
General
1 26 (27.37%) Finance
2 11 (11.58%) Retail
3 7 (7.37%) Banking
4 3 (3.16%) Financial Institution
5 2 (2.11%) Marketing
6 1 (1.05%) Advertising
6 1 (1.05%) Automotive
6 1 (1.05%) Front Office
Job Titles
1 34 (35.79%) Systems Engineer
2 12 (12.63%) Network Systems Engineer
3 11 (11.58%) Architect
3 11 (11.58%) Java Engineer
3 11 (11.58%) Software Engineer
3 11 (11.58%) VMware Engineer
4 10 (10.53%) Java Software Engineer
5 8 (8.42%) Network Engineer
6 7 (7.37%) Applications Architect
6 7 (7.37%) Developer
6 7 (7.37%) Head of Engineering
6 7 (7.37%) Linux Engineer
6 7 (7.37%) Network Security Engineer
6 7 (7.37%) Security Engineer
6 7 (7.37%) Senior Systems Engineer
7 6 (6.32%) Enterprise Applications Architect
7 6 (6.32%) Enterprise Architect
7 6 (6.32%) Linux Systems Engineer
8 5 (5.26%) Systems Engineering Manager
8 5 (5.26%) Windows Systems Engineer
Libraries, Frameworks & Software Standards
1 31 (32.63%) HTML
2 18 (18.95%) .NET
2 18 (18.95%) CSS
2 18 (18.95%) Spring
3 17 (17.89%) REST
3 17 (17.89%) Spring Boot
4 15 (15.79%) 802.1X
4 15 (15.79%) HTML5
5 14 (14.74%) CSS3
5 14 (14.74%) Web Services
6 13 (13.68%) Node.js
6 13 (13.68%) XML
7 12 (12.63%) AngularJS
7 12 (12.63%) RESTful
8 10 (10.53%) RabbitMQ
9 8 (8.42%) Angular 2
9 8 (8.42%) React
9 8 (8.42%) React Native
9 8 (8.42%) WebSockets
10 7 (7.37%) OpenFin
Miscellaneous
1 49 (51.58%) Data Centre
2 48 (50.53%) Public Cloud
3 20 (21.05%) Enterprise Software
4 14 (14.74%) Analytical Skills
4 14 (14.74%) Cloud Native
5 7 (7.37%) N-Tier
6 5 (5.26%) User Experience
7 4 (4.21%) FMCG
8 2 (2.11%) Fintech
8 2 (2.11%) Mobile Banking
9 1 (1.05%) Computer Science
9 1 (1.05%) Derivative
9 1 (1.05%) Equities
9 1 (1.05%) Fixed Income
9 1 (1.05%) Hedge funds
9 1 (1.05%) Social Media
9 1 (1.05%) Video on Demand
Operating Systems
1 46 (48.42%) Linux
2 32 (33.68%) Windows
3 18 (18.95%) Unix
4 7 (7.37%) Android
4 7 (7.37%) Apple iOS
5 5 (5.26%) Windows Server
6 2 (2.11%) Ubuntu
7 1 (1.05%) Amazon Linux
7 1 (1.05%) CentOS
7 1 (1.05%) Debian
7 1 (1.05%) Red Hat Enterprise Linux
Processes & Methodologies
1 59 (62.11%) DevOps
2 52 (54.74%) Software Engineering
3 35 (36.84%) Microservices
4 33 (34.74%) Infrastructure Transformation
5 32 (33.68%) Agile Software Development
6 27 (28.42%) Stakeholder Management
7 20 (21.05%) Mentoring
8 17 (17.89%) TDD
9 16 (16.84%) Scrum
10 15 (15.79%) Load Balancing
10 15 (15.79%) WAN Optimisation
11 13 (13.68%) Continuous Delivery
11 13 (13.68%) Extreme Programming
11 13 (13.68%) Network Management
11 13 (13.68%) SOLID
12 12 (12.63%) Multi-Factor Authentication
12 12 (12.63%) Two-Factor Authentication
13 11 (11.58%) Continuous Improvement
13 11 (11.58%) Open Source
13 11 (11.58%) OWASP
Programming Languages
1 30 (31.58%) Java
2 27 (28.42%) Python
3 21 (22.11%) SQL
4 20 (21.05%) PowerShell
5 17 (17.89%) JavaScript
6 9 (9.47%) C#
7 7 (7.37%) Bash Shell
8 4 (4.21%) ES6
9 3 (3.16%) Groovy
9 3 (3.16%) Perl
9 3 (3.16%) PHP
9 3 (3.16%) Ruby
10 1 (1.05%) AspectJ
10 1 (1.05%) Erlang
10 1 (1.05%) F#
10 1 (1.05%) Go
10 1 (1.05%) GraphQL
10 1 (1.05%) R
10 1 (1.05%) Scala
10 1 (1.05%) TypeScript
Qualifications
1 10 (10.53%) CCNP
1 10 (10.53%) Cisco Certification
2 5 (5.26%) MCP
2 5 (5.26%) MCSE
2 5 (5.26%) Microsoft Certification
3 3 (3.16%) Security Cleared
Quality Assurance & Compliance
1 7 (7.37%) QA
2 1 (1.05%) DICOM
2 1 (1.05%) HL7
System Software
1 26 (27.37%) Docker
2 25 (26.32%) VMware NSX
3 12 (12.63%) VMware ESXi
4 11 (11.58%) VMware Infrastructure
5 6 (6.32%) LXC
6 5 (5.26%) Active Directory
Systems Management
1 26 (27.37%) Opscode Chef
1 26 (27.37%) vCenter Server
2 24 (25.26%) Puppet
3 15 (15.79%) Kubernetes
4 14 (14.74%) vRealize
5 12 (12.63%) Ansible
6 1 (1.05%) Terraform
Vendors
1 48 (50.53%) VMware
2 20 (21.05%) Google
3 16 (16.84%) Cisco
3 16 (16.84%) Microsoft
4 15 (15.79%) Riverbed
5 14 (14.74%) Arista
5 14 (14.74%) Citrix
5 14 (14.74%) F5
6 13 (13.68%) Aruba
6 13 (13.68%) Blue Coat
6 13 (13.68%) CheckPoint
6 13 (13.68%) Fortinet
6 13 (13.68%) Meraki
6 13 (13.68%) Palo Alto
6 13 (13.68%) Tufin
7 12 (12.63%) Juniper
8 5 (5.26%) Appcelerator
8 5 (5.26%) IBM
9 4 (4.21%) Splunk
10 3 (3.16%) Salesforce.com