Period
to 24 September 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 September 2018 with a comparison to the same period in the previous 2 years.

Twelve-Factor Application Methodology
UK
6 months to
24 Sep 2018
Same period 2017 Same period 2016
Rank 1033 1157 1238
Rank change year-on-year +124 +81 -
Permanent jobs citing The Twelve-Factor App 126 36 16
As % of all permanent IT jobs advertised in the UK 0.076% 0.021% 0.008%
As % of the Processes & Methodologies category 0.083% 0.023% 0.009%
Number of salaries quoted 68 19 16
UK median annual salary £70,000 £67,500 £57,500
Median salary % change year-on-year +3.70% +17.39% -
10th Percentile £47,125 £44,500 £30,000
90th Percentile £130,000 £95,000 £75,000
UK excluding London median annual salary £55,000 £60,000 £50,000
% change year-on-year -8.33% +20.00% -

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 151,576 159,835 175,158
As % of all permanent IT jobs advertised in the UK 91.03% 91.55% 90.88%
Number of salaries quoted 120,616 126,198 146,138
UK median annual salary £50,000 £50,000 £48,000
Median salary % change year-on-year - +4.17% +1.05%
10th Percentile £29,000 £28,250 £27,500
90th Percentile £82,500 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - -

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 September 2018.

Salary histogram for The Twelve-Factor App in the UK

The Twelve-Factor App
Top 11 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 September 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 +137 126 £70,000 +1.82% 11
London +100 92 £80,000 +12.28% 4
UK excluding London +28 34 £55,000 -8.33% 7
South East +23 20 £55,000 -10.20% 5
North of England - 6 £38,500 -
North West - 5 £38,500 -
Midlands - 4 £52,500 -
East of England - 4 £67,500 - 1
West Midlands - 3 £50,000 -
Yorkshire - 1 £50,000 -
East Midlands - 1 £55,000 -

For the 6 months to 24 September 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.

1 114 (90.48%) Agile Software Development
2 106 (84.13%) Microservices
3 104 (82.54%) Java
4 103 (81.75%) Amazon AWS
5 97 (76.98%) Docker
6 96 (76.19%) Kubernetes
7 86 (68.25%) DevOps
8 80 (63.49%) Spring Boot
8 80 (63.49%) Microsoft Azure
8 80 (63.49%) Spring
9 79 (62.70%) Scrum
10 77 (61.11%) OpenShift
11 66 (52.38%) Cloud Native
12 65 (51.59%) Google Cloud Platform
12 65 (51.59%) Google
13 59 (46.83%) IBM
13 59 (46.83%) Red Hat
14 58 (46.03%) Cloud Foundry
14 58 (46.03%) PaaS
14 58 (46.03%) IBM Cloud
15 56 (44.44%) Re-Platforming
15 56 (44.44%) Java EE
15 56 (44.44%) Domain-Driven Design
16 54 (42.86%) Tomcat
17 49 (38.89%) WebLogic
17 49 (38.89%) WebSphere
18 48 (38.10%) Node.js
19 42 (33.33%) Hybrid Cloud
20 40 (31.75%) SQL
21 35 (27.78%) Enterprise Software

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 58 (46.03%) Cloud Foundry
2 54 (42.86%) Tomcat
3 49 (38.89%) WebLogic
3 49 (38.89%) WebSphere
4 25 (19.84%) OpenStack
5 5 (3.97%) Apache
5 5 (3.97%) Confluence
5 5 (3.97%) nginx
6 2 (1.59%) JBoss
6 2 (1.59%) Jetty
7 1 (0.79%) Elasticsearch
7 1 (0.79%) IIS
Cloud Services
1 103 (81.75%) Amazon AWS
2 80 (63.49%) Microsoft Azure
3 77 (61.11%) OpenShift
4 65 (51.59%) Google Cloud Platform
5 58 (46.03%) IBM Cloud
5 58 (46.03%) PaaS
6 31 (24.60%) Serverless
7 14 (11.11%) Cloud Computing
8 6 (4.76%) AWS Lambda
9 5 (3.97%) Amazon EC2
9 5 (3.97%) Amazon S3
9 5 (3.97%) AWS CloudFormation
9 5 (3.97%) CloudFront
9 5 (3.97%) iTunes
9 5 (3.97%) Route 53
9 5 (3.97%) Siri
10 3 (2.38%) npm
11 1 (0.79%) Amazon SQS
Communications & Networking
1 11 (8.73%) DNS
2 6 (4.76%) AMQP
2 6 (4.76%) DHCP
3 5 (3.97%) HTTP
3 5 (3.97%) Internet
4 4 (3.17%) PPP
5 2 (1.59%) Broadband
6 1 (0.79%) Firewall
6 1 (0.79%) SAN
6 1 (0.79%) Software-Defined Networking
6 1 (0.79%) TCP/IP
Database & Business Intelligence
1 34 (26.98%) NoSQL
2 33 (26.19%) MongoDB
3 22 (17.46%) PostgreSQL
4 20 (15.87%) MySQL
5 15 (11.90%) Apache Cassandra
6 13 (10.32%) Cloud Spanner
6 13 (10.32%) NewSQL
7 8 (6.35%) MariaDB
8 5 (3.97%) InfluxDB
9 2 (1.59%) Big Data
10 1 (0.79%) Amazon DynamoDB
10 1 (0.79%) Relational Database
10 1 (0.79%) SQL Server
Development Applications
1 19 (15.08%) Vagrant
2 14 (11.11%) Git (software)
3 13 (10.32%) Jenkins
4 7 (5.56%) GitLab
4 7 (5.56%) JIRA
5 4 (3.17%) Gradle
5 4 (3.17%) Grunt
5 4 (3.17%) webpack
6 3 (2.38%) Cucumber
6 3 (2.38%) Geb
6 3 (2.38%) gulp
6 3 (2.38%) Sonatype Nexus
7 2 (1.59%) Maven
8 1 (0.79%) Artifactory
8 1 (0.79%) CF BOSH
8 1 (0.79%) GoCD
8 1 (0.79%) MSBuild
8 1 (0.79%) Selenium
8 1 (0.79%) TeamCity
8 1 (0.79%) Travis CI
General
1 15 (11.90%) Retail
2 13 (10.32%) Banking
3 11 (8.73%) Finance
3 11 (8.73%) Games
4 8 (6.35%) Retail Finance
5 2 (1.59%) Financial Institution
5 2 (1.59%) Retail Banking
Job Titles
1 45 (35.71%) Developer
2 43 (34.13%) Architect
3 36 (28.57%) Cloud Architect
4 28 (22.22%) Java Developer
5 22 (17.46%) Cloud Developer
6 17 (13.49%) AWS DevOps
7 15 (11.90%) Java Architect
7 15 (11.90%) Java Technical Architect
7 15 (11.90%) Technical Architect
8 14 (11.11%) AWS Architect
8 14 (11.11%) AWS Developer
8 14 (11.11%) DevOps Developer
8 14 (11.11%) Java Developer - Fintech
9 11 (8.73%) Azure Architect
9 11 (8.73%) Senior Architect
10 8 (6.35%) Ruby on Rails Developer
10 8 (6.35%) Software Engineer
11 7 (5.56%) DevOps Engineer
11 7 (5.56%) Ruby Developer
12 6 (4.76%) Systems Engineer
Libraries, Frameworks & Software Standards
1 80 (63.49%) Spring
1 80 (63.49%) Spring Boot
2 56 (44.44%) Java EE
3 48 (38.10%) Node.js
4 34 (26.98%) Spring Cloud
5 23 (18.25%) Web Services
6 22 (17.46%) RESTful
7 19 (15.08%) REST
8 16 (12.70%) CSS
8 16 (12.70%) Vert.x
9 14 (11.11%) .NET
10 13 (10.32%) Akka
10 13 (10.32%) HTML
11 12 (9.52%) HTML5
11 12 (9.52%) Ruby on Rails
12 8 (6.35%) .NET Core
12 8 (6.35%) ASP.NET Web API
12 8 (6.35%) RabbitMQ
13 5 (3.97%) .NET Framework
13 5 (3.97%) LDAP
Miscellaneous
1 66 (52.38%) Cloud Native
2 42 (33.33%) Hybrid Cloud
3 35 (27.78%) Enterprise Software
4 30 (23.81%) Fintech
5 28 (22.22%) Computer Science
6 27 (21.43%) Blog
7 22 (17.46%) Self-Motivation
8 18 (14.29%) Public Cloud
9 13 (10.32%) Greenfield Project
10 6 (4.76%) Data Centre
11 3 (2.38%) User Experience
12 2 (1.59%) Robotics
12 2 (1.59%) Social Media
13 1 (0.79%) FMCG
13 1 (0.79%) Management Information System
13 1 (0.79%) Private Cloud
13 1 (0.79%) Virtual Team
Operating Systems
1 13 (10.32%) Linux
2 7 (5.56%) Unix
3 4 (3.17%) Windows
4 1 (0.79%) CentOS
4 1 (0.79%) Ubuntu
4 1 (0.79%) Windows Server
Processes & Methodologies
1 114 (90.48%) Agile Software Development
2 106 (84.13%) Microservices
3 86 (68.25%) DevOps
4 79 (62.70%) Scrum
5 56 (44.44%) Domain-Driven Design
5 56 (44.44%) Re-Platforming
6 33 (26.19%) Continuous Delivery
7 29 (23.02%) Configuration Management
7 29 (23.02%) Software Engineering
8 23 (18.25%) Open Source
9 19 (15.08%) OWASP
10 18 (14.29%) Event-Driven Architecture
10 18 (14.29%) TDD
11 17 (13.49%) Test Automation
12 13 (10.32%) Non-Blocking Code
13 12 (9.52%) Business Transformation
13 12 (9.52%) Continuous Integration
13 12 (9.52%) Cybersecurity
13 12 (9.52%) Data Science
14 7 (5.56%) Extreme Programming
Programming Languages
1 104 (82.54%) Java
2 40 (31.75%) SQL
3 33 (26.19%) Python
4 31 (24.60%) Go
5 29 (23.02%) JavaScript
6 27 (21.43%) C#
7 18 (14.29%) Ruby
8 9 (7.14%) Java 8
9 4 (3.17%) Bash Shell
9 4 (3.17%) PowerShell
9 4 (3.17%) Shell Script
10 3 (2.38%) ES6
10 3 (2.38%) Groovy
11 1 (0.79%) Scala
Qualifications
1 33 (26.19%) Degree
1 33 (26.19%) Master's Degree
2 19 (15.08%) Security Cleared
3 1 (0.79%) MCP
3 1 (0.79%) MCSE
3 1 (0.79%) Microsoft Certification
System Software
1 97 (76.98%) Docker
2 19 (15.08%) VMware Infrastructure
3 1 (0.79%) Active Directory
3 1 (0.79%) Apache ZooKeeper
3 1 (0.79%) etcd
Systems Management
1 96 (76.19%) Kubernetes
2 28 (22.22%) Ansible
2 28 (22.22%) Opscode Chef
2 28 (22.22%) Puppet
3 21 (16.67%) Salt
4 7 (5.56%) Terraform
5 6 (4.76%) Prometheus
6 5 (3.97%) Cacti
6 5 (3.97%) Grafana
6 5 (3.97%) HAProxy
6 5 (3.97%) Icinga
6 5 (3.97%) Rancher
7 2 (1.59%) Marathon
8 1 (0.79%) Consul
8 1 (0.79%) Graphite
8 1 (0.79%) Kibana
8 1 (0.79%) logstash
8 1 (0.79%) Mesos
8 1 (0.79%) Packer
Vendors
1 65 (51.59%) Google
2 59 (46.83%) IBM
2 59 (46.83%) Red Hat
3 33 (26.19%) SAP
4 20 (15.87%) VMware
5 5 (3.97%) Apple
5 5 (3.97%) Atlassian
6 3 (2.38%) Microsoft
6 3 (2.38%) Splunk
7 1 (0.79%) TIBCO