Period
to 11 December 2017

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 11 December 2017 with a comparison to the same period in the previous 2 years.

Twelve-Factor Application Methodology
UK
6 months to
11 Dec 2017
Same period 2016 Same period 2015
Rank 1119 1208 -
Rank change year-on-year +89 - +1337
Permanent jobs citing The Twelve-Factor App 73 5 0
As % of all permanent IT jobs advertised in the UK 0.041% 0.003% -
As % of the Processes & Methodologies category 0.045% 0.003% -
Number of salaries quoted 28 5 0
UK median annual salary £75,000 £52,500 -
Median salary % change year-on-year +42.86% - -
UK excluding London median annual salary £60,000 - -

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 161594 165322 191692
As % of all permanent IT jobs advertised in the UK 89.94% 89.43% 88.89%
Number of salaries quoted 128097 137067 158609
UK median annual salary £50,000 £49,500 £47,500
Median salary % change year-on-year +1.01% +4.21% +5.56%
10th Percentile £28,750 £28,125 £27,500
90th Percentile £80,000 £80,000 £77,500
UK excluding London median annual salary £44,500 £42,500 £42,500
% change year-on-year +4.71% - +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 11 December 2017.

Salary histogram for The Twelve-Factor App in the UK

The Twelve-Factor App
Top 7 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 11 December 2017. 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 +95 72 £75,000 +42.86% 4
UK excluding London - 37 £60,000 - 3
London +24 36 £75,000 +42.86% 1
East of England - 26 - - 2
South West - 8 - -
South East - 2 £61,250 - 1
Wales - 1 £32,500 -

For the 6 months to 11 December 2017, IT jobs citing The Twelve-Factor App also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for The Twelve-Factor App.

1 44 (60.27%) DevOps
2 42 (57.53%) Linux
3 34 (46.58%) Microservices
4 33 (45.21%) Amazon AWS
5 30 (41.10%) Finance
6 29 (39.73%) Agile Software Development
7 28 (38.36%) Cloud Native
8 27 (36.99%) Public Cloud
8 27 (36.99%) Docker
9 26 (35.62%) Data Centre
10 25 (34.25%) Java
11 23 (31.51%) Microsoft Azure
12 22 (30.14%) Software Engineering
13 21 (28.77%) HTML
13 21 (28.77%) Windows
14 20 (27.40%) Banking
14 20 (27.40%) VMware
14 20 (27.40%) Infrastructure Transformation
15 19 (26.03%) Google
15 19 (26.03%) Web Services
16 17 (23.29%) PaaS
16 17 (23.29%) Jenkins
17 16 (21.92%) Stakeholder Management
18 15 (20.55%) Retail
18 15 (20.55%) Spring
18 15 (20.55%) CSS
18 15 (20.55%) Python
18 15 (20.55%) Microsoft
18 15 (20.55%) OpenStack
18 15 (20.55%) SaaS

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 15 (20.55%) OpenStack
2 4 (5.48%) CMS
3 3 (4.11%) Apache
4 1 (1.37%) Apache Spark
4 1 (1.37%) Cloud Foundry
Business Applications
1 8 (10.96%) Oracle EBS
Cloud Services
1 33 (45.21%) Amazon AWS
2 23 (31.51%) Microsoft Azure
3 17 (23.29%) PaaS
4 15 (20.55%) SaaS
5 10 (13.70%) OpenShift
6 6 (8.22%) Akamai
7 5 (6.85%) GitHub
8 2 (2.74%) AWS CloudFormation
8 2 (2.74%) Serverless
9 1 (1.37%) Amazon EC2
9 1 (1.37%) Amazon ElastiCache
9 1 (1.37%) Amazon ELB
9 1 (1.37%) Amazon Kinesis
9 1 (1.37%) Amazon SQS
9 1 (1.37%) AWS Elastic Beanstalk
9 1 (1.37%) CloudFront
9 1 (1.37%) Google Cloud Platform
9 1 (1.37%) Heroku
9 1 (1.37%) IaaS
9 1 (1.37%) Route 53
Communications & Networking
1 11 (15.07%) DHCP
1 11 (15.07%) DNS
2 7 (9.59%) HTTPS
3 6 (8.22%) BGP
3 6 (8.22%) Cisco IOS
3 6 (8.22%) DMVPN
3 6 (8.22%) DWDM
3 6 (8.22%) EIGRP
3 6 (8.22%) GLBP
3 6 (8.22%) HTTP
3 6 (8.22%) IGRP
3 6 (8.22%) Internet
3 6 (8.22%) IPsec
3 6 (8.22%) LAN
3 6 (8.22%) MPLS
3 6 (8.22%) OSPF
3 6 (8.22%) SNMP
3 6 (8.22%) SSL
3 6 (8.22%) VPN
3 6 (8.22%) WAN
Database & Business Intelligence
1 10 (13.70%) NoSQL
2 9 (12.33%) Big Data
3 7 (9.59%) PostgreSQL
4 6 (8.22%) Redis
5 5 (6.85%) MySQL
6 4 (5.48%) MongoDB
7 3 (4.11%) Hazelcast
7 3 (4.11%) Squirro
8 2 (2.74%) Apache Cassandra
8 2 (2.74%) NewSQL
8 2 (2.74%) Relational Database
9 1 (1.37%) Amazon DynamoDB
9 1 (1.37%) Amazon RDS
9 1 (1.37%) Amazon Redshift
9 1 (1.37%) Data Lake
9 1 (1.37%) Data Warehouse
9 1 (1.37%) Hadoop
9 1 (1.37%) SQL Server
9 1 (1.37%) SQL Server 2012
9 1 (1.37%) SSDT
Development Applications
1 17 (23.29%) Jenkins
2 10 (13.70%) Appcelerator Titanium
2 10 (13.70%) Maven
3 7 (9.59%) Cucumber
4 6 (8.22%) Atlassian Bamboo
4 6 (8.22%) Git (software)
5 5 (6.85%) JUnit
6 3 (4.11%) Mocha
6 3 (4.11%) PHPUnit
6 3 (4.11%) Protractor
7 2 (2.74%) Karma Test Runner
7 2 (2.74%) Sinon.JS
8 1 (1.37%) Artifactory
8 1 (1.37%) Bitbucket
8 1 (1.37%) CircleCI
8 1 (1.37%) JBehave
8 1 (1.37%) Mockito
8 1 (1.37%) Selenium
8 1 (1.37%) TeamCity
General
1 30 (41.10%) Finance
2 20 (27.40%) Banking
3 15 (20.55%) Retail
4 8 (10.96%) Manufacturing
5 5 (6.85%) Financial Institution
6 4 (5.48%) Telecoms
7 1 (1.37%) Advertising
7 1 (1.37%) Automotive
7 1 (1.37%) Marketing
7 1 (1.37%) Publishing
Job Titles
1 15 (20.55%) Developer
1 15 (20.55%) Systems Engineer
2 14 (19.18%) Architect
3 11 (15.07%) Applications Architect
3 11 (15.07%) Java Developer
4 10 (13.70%) Enterprise Applications Architect
4 10 (13.70%) Enterprise Architect
5 8 (10.96%) Linux Engineer
6 5 (6.85%) DevOps Engineer
6 5 (6.85%) Engineering Manager
6 5 (6.85%) Head of Engineering
6 5 (6.85%) Linux Systems Engineer
6 5 (6.85%) Network Systems Engineer
6 5 (6.85%) Senior Systems Engineer
6 5 (6.85%) Systems Engineering Manager
6 5 (6.85%) Systems Manager
6 5 (6.85%) VMware Engineer
7 4 (5.48%) AWS Engineer
8 3 (4.11%) AWS Architect
8 3 (4.11%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 21 (28.77%) HTML
2 19 (26.03%) Web Services
3 15 (20.55%) CSS
3 15 (20.55%) Spring
4 14 (19.18%) CSS3
4 14 (19.18%) HTML5
4 14 (19.18%) REST
5 13 (17.81%) .NET
5 13 (17.81%) Node.js
6 11 (15.07%) RESTful
6 11 (15.07%) Spring Boot
7 10 (13.70%) PhoneGap
8 9 (12.33%) AngularJS
9 8 (10.96%) Hibernate
9 8 (10.96%) Middleware
9 8 (10.96%) Oracle Fusion
9 8 (10.96%) Spring Cloud
10 6 (8.22%) 802.1X
10 6 (8.22%) JSON
10 6 (8.22%) XML
Miscellaneous
1 28 (38.36%) Cloud Native
2 27 (36.99%) Public Cloud
3 26 (35.62%) Data Centre
4 13 (17.81%) Enterprise Software
5 11 (15.07%) N-Tier
6 8 (10.96%) Life Science
7 6 (8.22%) Analytical Skills
8 4 (5.48%) User Experience
9 3 (4.11%) Social Media
10 2 (2.74%) Computer Science
10 2 (2.74%) Fintech
10 2 (2.74%) Mobile Banking
11 1 (1.37%) Derivative
11 1 (1.37%) Equities
11 1 (1.37%) Fixed Income
11 1 (1.37%) Hedge funds
11 1 (1.37%) Video on Demand
Operating Systems
1 42 (57.53%) Linux
2 21 (28.77%) Windows
3 12 (16.44%) Unix
4 2 (2.74%) Android
4 2 (2.74%) Apple iOS
5 1 (1.37%) Mac OS
5 1 (1.37%) Red Hat Enterprise Linux
Processes & Methodologies
1 44 (60.27%) DevOps
2 34 (46.58%) Microservices
3 29 (39.73%) Agile Software Development
4 22 (30.14%) Software Engineering
5 20 (27.40%) Infrastructure Transformation
6 16 (21.92%) Stakeholder Management
7 13 (17.81%) Open Source
8 12 (16.44%) TDD
9 11 (15.07%) Continuous Integration
9 11 (15.07%) Scrum
9 11 (15.07%) Service Design
10 10 (13.70%) BDD
10 10 (13.70%) Continuous Improvement
10 10 (13.70%) Mentoring
11 9 (12.33%) Kanban
11 9 (12.33%) Logistics
11 9 (12.33%) Validation
12 8 (10.96%) Information Management
12 8 (10.96%) PLM
12 8 (10.96%) Time Management
Programming Languages
1 25 (34.25%) Java
2 15 (20.55%) Python
3 10 (13.70%) JavaScript
4 9 (12.33%) PHP
5 8 (10.96%) Bash Shell
5 8 (10.96%) Shell Script
6 7 (9.59%) SQL
7 6 (8.22%) PowerShell
8 3 (4.11%) Perl
9 2 (2.74%) AspectJ
9 2 (2.74%) C#
9 2 (2.74%) ECMAScript
9 2 (2.74%) ES6
9 2 (2.74%) Ruby
9 2 (2.74%) TypeScript
10 1 (1.37%) Erlang
10 1 (1.37%) GraphQL
10 1 (1.37%) R
10 1 (1.37%) T-SQL
Qualifications
1 6 (8.22%) CCNP
1 6 (8.22%) Cisco Certification
2 1 (1.37%) Degree
Quality Assurance & Compliance
1 3 (4.11%) DICOM
1 3 (4.11%) HL7
1 3 (4.11%) QA
2 2 (2.74%) ISO/IEC 27001
2 2 (2.74%) PCI DSS
System Software
1 27 (36.99%) Docker
2 10 (13.70%) VMware NSX
3 5 (6.85%) LXC
3 5 (6.85%) VMware ESXi
Systems Management
1 14 (19.18%) Opscode Chef
2 10 (13.70%) Kubernetes
2 10 (13.70%) Puppet
2 10 (13.70%) vCenter Server
3 9 (12.33%) Ansible
4 5 (6.85%) vRealize
5 2 (2.74%) Terraform
Vendors
1 20 (27.40%) VMware
2 19 (26.03%) Google
3 15 (20.55%) Microsoft
4 10 (13.70%) Appcelerator
4 10 (13.70%) Oracle
5 9 (12.33%) IBM
6 8 (10.96%) Cognizant
6 8 (10.96%) JD Edwards
6 8 (10.96%) PeopleSoft
7 6 (8.22%) Arista
7 6 (8.22%) Blue Coat
7 6 (8.22%) Cisco
7 6 (8.22%) Citrix
7 6 (8.22%) F5
7 6 (8.22%) Riverbed
8 5 (6.85%) Aruba
8 5 (6.85%) Fortinet
8 5 (6.85%) Meraki
8 5 (6.85%) Palo Alto
8 5 (6.85%) Tufin