Period
to 16 December 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 16 December 2018 with a comparison to the same period in the previous 2 years.

Twelve-Factor Application Methodology
UK
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 1009 1128 1206
Rank change year-on-year +119 +78 -
Permanent jobs citing The Twelve-Factor App 116 73 4
As % of all permanent IT jobs advertised in the UK 0.073% 0.041% 0.002%
As % of the Processes & Methodologies category 0.080% 0.045% 0.002%
Number of salaries quoted 86 28 4
UK median annual salary £70,000 £75,000 £46,250
Median salary % change year-on-year -6.67% +62.16% -
10th Percentile £43,750 £52,500 £35,000
90th Percentile £130,000 £99,500 £59,000
UK excluding London median annual salary £55,000 £61,250 -
% change year-on-year -10.20% - -

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 144,874 163,724 169,145
As % of all permanent IT jobs advertised in the UK 91.60% 91.89% 91.31%
Number of salaries quoted 114,516 130,082 140,302
UK median annual salary £52,500 £50,000 £48,500
Median salary % change year-on-year +5.00% +3.09% +2.11%
10th Percentile £29,750 £28,500 £27,750
90th Percentile £85,000 £80,000 £78,750
UK excluding London median annual salary £45,000 £43,500 £42,500
% change year-on-year +3.45% +2.35% -

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 16 December 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 16 December 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 +121 114 £70,000 -6.67% 11
London +82 72 £130,000 +73.33%
UK excluding London +63 44 £55,000 -10.20% 12
South East +26 25 £55,000 -10.20% 2
East of England +6 6 £67,500 -
North of England - 5 £38,500 -
North West - 5 £38,500 -
South West +16 3 £80,000 - 9
Midlands - 3 £50,000 -
West Midlands - 3 £50,000 -
Wales - 2 £24,000 - 1

For the 6 months to 16 December 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.

1 106 (91.38%) Agile Software Development
2 104 (89.66%) Amazon AWS
3 97 (83.62%) Docker
4 94 (81.03%) Kubernetes
5 93 (80.17%) Java
6 89 (76.72%) Microservices
7 75 (64.66%) OpenShift
7 75 (64.66%) Microsoft Azure
8 68 (58.62%) DevOps
9 65 (56.03%) Spring Boot
9 65 (56.03%) Spring
9 65 (56.03%) Scrum
10 56 (48.28%) Google
11 53 (45.69%) Google Cloud Platform
12 52 (44.83%) Cloud Native
13 48 (41.38%) IBM
13 48 (41.38%) Red Hat
14 47 (40.52%) Cloud Foundry
14 47 (40.52%) PaaS
14 47 (40.52%) IBM Cloud
15 45 (38.79%) Domain-Driven Design
15 45 (38.79%) Re-Platforming
15 45 (38.79%) Java EE
16 42 (36.21%) Continuous Delivery
17 40 (34.48%) Tomcat
18 36 (31.03%) WebLogic
18 36 (31.03%) WebSphere
19 35 (30.17%) SQL
20 34 (29.31%) Fintech
21 33 (28.45%) Thought Leadership

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 47 (40.52%) Cloud Foundry
2 40 (34.48%) Tomcat
3 36 (31.03%) WebLogic
3 36 (31.03%) WebSphere
4 27 (23.28%) OpenStack
5 7 (6.03%) Confluence
6 4 (3.45%) Apache
6 4 (3.45%) nginx
7 3 (2.59%) Apache Spark
7 3 (2.59%) SAS
7 3 (2.59%) SharePoint
8 2 (1.72%) Elasticsearch
8 2 (1.72%) JBoss
8 2 (1.72%) Jetty
9 1 (0.86%) IIS
Business Applications
1 8 (6.90%) Payment Gateway
Cloud Services
1 104 (89.66%) Amazon AWS
2 75 (64.66%) Microsoft Azure
2 75 (64.66%) OpenShift
3 53 (45.69%) Google Cloud Platform
4 47 (40.52%) IBM Cloud
4 47 (40.52%) PaaS
5 13 (11.21%) Cloud Computing
6 11 (9.48%) Serverless
7 4 (3.45%) AWS CloudFormation
7 4 (3.45%) AWS Lambda
7 4 (3.45%) Route 53
8 3 (2.59%) Amazon EC2
8 3 (2.59%) Amazon S3
8 3 (2.59%) CloudFront
8 3 (2.59%) iTunes
8 3 (2.59%) npm
8 3 (2.59%) Siri
9 2 (1.72%) Amazon CloudWatch
Communications & Networking
1 8 (6.90%) DNS
2 5 (4.31%) AMQP
3 4 (3.45%) DHCP
3 4 (3.45%) HTTP
3 4 (3.45%) PPP
4 3 (2.59%) Internet
5 2 (1.72%) Broadband
6 1 (0.86%) Firewall
6 1 (0.86%) HTTPS
6 1 (0.86%) SAN
6 1 (0.86%) Software-Defined Networking
6 1 (0.86%) TCP/IP
Database & Business Intelligence
1 31 (26.72%) NoSQL
2 28 (24.14%) MongoDB
3 13 (11.21%) PostgreSQL
4 10 (8.62%) MySQL
5 7 (6.03%) MariaDB
6 5 (4.31%) Apache Cassandra
6 5 (4.31%) SQL Server
7 4 (3.45%) Cloud Spanner
7 4 (3.45%) InfluxDB
7 4 (3.45%) NewSQL
8 3 (2.59%) Hadoop
9 2 (1.72%) Big Data
10 1 (0.86%) Neo4j
10 1 (0.86%) Redis
10 1 (0.86%) Relational Database
Development Applications
1 22 (18.97%) Vagrant
2 14 (12.07%) Jenkins
3 13 (11.21%) Git (software)
4 9 (7.76%) JIRA
5 6 (5.17%) GitLab
6 5 (4.31%) Sonatype Nexus
7 4 (3.45%) Gradle
7 4 (3.45%) Grunt
7 4 (3.45%) Maven
7 4 (3.45%) webpack
8 3 (2.59%) Cucumber
8 3 (2.59%) Geb
8 3 (2.59%) gulp
9 1 (0.86%) Apache Archiva
9 1 (0.86%) CF BOSH
9 1 (0.86%) git-flow
9 1 (0.86%) GoCD
9 1 (0.86%) MSBuild
9 1 (0.86%) Selenium
9 1 (0.86%) Travis CI
General
1 7 (6.03%) Finance
2 6 (5.17%) Retail
3 3 (2.59%) Banking
3 3 (2.59%) Games
3 3 (2.59%) Retail Finance
4 2 (1.72%) Financial Institution
4 2 (1.72%) Marketing
5 1 (0.86%) Publishing
Job Titles
1 39 (33.62%) Developer
2 37 (31.90%) Architect
3 29 (25.00%) Cloud Architect
3 29 (25.00%) Cloud Native Architect
4 27 (23.28%) Java Developer
5 24 (20.69%) Technical Architect
6 20 (17.24%) AWS Architect
6 20 (17.24%) Azure Architect
6 20 (17.24%) Java Architect
6 20 (17.24%) Java Technical Architect
7 16 (13.79%) Cloud Developer
8 13 (11.21%) AWS Developer
8 13 (11.21%) AWS DevOps
8 13 (11.21%) DevOps Developer
8 13 (11.21%) Java Developer - Fintech
9 12 (10.34%) Cloud Engineer
10 11 (9.48%) Software Engineer
11 9 (7.76%) Ruby on Rails Developer
12 8 (6.90%) Ruby Developer
12 8 (6.90%) Team Leader
Libraries, Frameworks & Software Standards
1 65 (56.03%) Spring
1 65 (56.03%) Spring Boot
2 45 (38.79%) Java EE
3 31 (26.72%) Spring Cloud
4 25 (21.55%) RESTful
5 24 (20.69%) Node.js
6 18 (15.52%) Web Services
7 14 (12.07%) CSS
8 13 (11.21%) Ruby on Rails
9 12 (10.34%) REST
10 11 (9.48%) HTML
11 10 (8.62%) HTML5
12 9 (7.76%) .NET
13 7 (6.03%) .NET Framework
13 7 (6.03%) Vert.x
14 6 (5.17%) .NET Core
14 6 (5.17%) ASP.NET Web API
14 6 (5.17%) RabbitMQ
15 4 (3.45%) Akka
15 4 (3.45%) Sass
Miscellaneous
1 52 (44.83%) Cloud Native
2 34 (29.31%) Fintech
3 26 (22.41%) Hybrid Cloud
4 24 (20.69%) Enterprise Software
5 13 (11.21%) Public Cloud
6 12 (10.34%) Blog
7 7 (6.03%) User Experience
8 6 (5.17%) Self-Motivation
9 4 (3.45%) Data Centre
10 3 (2.59%) Greenfield Project
11 2 (1.72%) Robotics
12 1 (0.86%) Management Information System
12 1 (0.86%) Social Media
Operating Systems
1 10 (8.62%) Linux
2 6 (5.17%) Unix
3 3 (2.59%) Windows
4 1 (0.86%) CentOS
4 1 (0.86%) Mac OS
4 1 (0.86%) Ubuntu
4 1 (0.86%) Windows Server
Processes & Methodologies
1 106 (91.38%) Agile Software Development
2 89 (76.72%) Microservices
3 68 (58.62%) DevOps
4 65 (56.03%) Scrum
5 45 (38.79%) Domain-Driven Design
5 45 (38.79%) Re-Platforming
6 42 (36.21%) Continuous Delivery
7 33 (28.45%) Thought Leadership
8 26 (22.41%) Software Engineering
9 22 (18.97%) OWASP
10 20 (17.24%) TDD
11 15 (12.93%) Test Automation
12 12 (10.34%) Computer Science
12 12 (10.34%) E-Commerce
12 12 (10.34%) Event-Driven Architecture
13 11 (9.48%) Configuration Management
14 10 (8.62%) Open Source
15 9 (7.76%) Continuous Integration
16 7 (6.03%) Mentoring
17 6 (5.17%) Coaching
Programming Languages
1 93 (80.17%) Java
2 35 (30.17%) SQL
3 26 (22.41%) Python
4 24 (20.69%) Ruby
5 23 (19.83%) Go
6 18 (15.52%) JavaScript
7 14 (12.07%) Java 8
8 12 (10.34%) C#
9 4 (3.45%) Bash Shell
9 4 (3.45%) PowerShell
9 4 (3.45%) Shell Script
10 3 (2.59%) ES6
10 3 (2.59%) Groovy
10 3 (2.59%) R
10 3 (2.59%) Scala
11 2 (1.72%) PHP
Qualifications
1 19 (16.38%) Security Cleared
2 15 (12.93%) Degree
2 15 (12.93%) Master's Degree
3 1 (0.86%) MCP
3 1 (0.86%) MCSE
3 1 (0.86%) Microsoft Certification
3 1 (0.86%) SC Cleared
Quality Assurance & Compliance
1 4 (3.45%) QA
System Software
1 97 (83.62%) Docker
2 22 (18.97%) VMware Infrastructure
3 1 (0.86%) Active Directory
3 1 (0.86%) Apache ZooKeeper
3 1 (0.86%) etcd
Systems Management
1 94 (81.03%) Kubernetes
2 19 (16.38%) Ansible
3 18 (15.52%) Puppet
4 16 (13.79%) Opscode Chef
5 7 (6.03%) Terraform
6 6 (5.17%) Prometheus
7 5 (4.31%) Salt
8 4 (3.45%) Cacti
8 4 (3.45%) Grafana
8 4 (3.45%) HAProxy
8 4 (3.45%) Icinga
8 4 (3.45%) Rancher
9 2 (1.72%) Consul
9 2 (1.72%) Kibana
9 2 (1.72%) Marathon
9 2 (1.72%) Nagios
9 2 (1.72%) Systems Management Server (SMS)
10 1 (0.86%) Graphite
10 1 (0.86%) logstash
10 1 (0.86%) Mesos
Vendors
1 56 (48.28%) Google
2 48 (41.38%) IBM
2 48 (41.38%) Red Hat
3 30 (25.86%) SAP
4 23 (19.83%) VMware
5 8 (6.90%) WorldPay
6 7 (6.03%) Atlassian
7 5 (4.31%) Splunk
8 3 (2.59%) Apple
8 3 (2.59%) Cloudera
8 3 (2.59%) Microsoft
9 2 (1.72%) AppDynamics
9 2 (1.72%) Oracle
9 2 (1.72%) Qualys
10 1 (0.86%) TIBCO