Period
to 22 June 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 22 June 2018 with a comparison to the same period in the previous 2 years.

Twelve-Factor Application Methodology
UK
6 months to
22 Jun 2018
Same period 2017 Same period 2016
Rank 1070 1157 1233
Rank change year-on-year +87 +76 +69
Permanent jobs citing The Twelve-Factor App 113 23 43
As % of all permanent IT jobs advertised in the UK 0.065% 0.013% 0.021%
As % of the Processes & Methodologies category 0.072% 0.015% 0.024%
Number of salaries quoted 34 19 33
UK median annual salary £70,500 £50,000 £70,000
Median salary % change year-on-year +41.00% -28.57% +75.00%
10th Percentile £50,000 £42,000 £50,000
90th Percentile £105,000 £69,000 £110,500
UK excluding London median annual salary £65,000 £47,500 £50,000
% change year-on-year +36.84% -5.00% +25.00%

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 157,488 156,639 180,813
As % of all permanent IT jobs advertised in the UK 90.75% 90.61% 89.97%
Number of salaries quoted 126,373 127,513 150,385
UK median annual salary £50,000 £48,000 £47,500
Median salary % change year-on-year +4.17% +1.05% +1.06%
10th Percentile £29,000 £28,000 £27,500
90th Percentile £82,500 £78,750 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +2.41%

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 22 June 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 22 June 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 +102 113 £70,500 +37.56% 13
London +45 59 £73,750 +47.50% 6
UK excluding London +39 54 £65,000 +36.84% 7
East of England - 28 £73,750 - 2
South East +32 19 £55,000 -12.00% 4
South West - 4 £57,500 -
North of England - 2 £50,000 - 1
Yorkshire - 1 £50,000 - 1
East Midlands - 1 £55,000 -
Midlands - 1 £55,000 -
North West - 1 - -

For the 6 months to 22 June 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 80 (70.80%) Agile Software Development
2 74 (65.49%) Java
3 72 (63.72%) Microservices
4 68 (60.18%) DevOps
5 64 (56.64%) Amazon AWS
6 52 (46.02%) Software Engineering
7 51 (45.13%) Spring
7 51 (45.13%) Spring Boot
8 50 (44.25%) Kubernetes
8 50 (44.25%) Microsoft Azure
9 48 (42.48%) Docker
10 47 (41.59%) Scrum
11 43 (38.05%) MongoDB
12 42 (37.17%) SQL
12 42 (37.17%) Python
13 41 (36.28%) NoSQL
14 40 (35.40%) OpenShift
15 39 (34.51%) Enterprise Software
15 39 (34.51%) Node.js
16 38 (33.63%) PostgreSQL
17 37 (32.74%) VMware
17 37 (32.74%) MySQL
17 37 (32.74%) Public Cloud
18 36 (31.86%) Opscode Chef
19 35 (30.97%) Puppet
20 33 (29.20%) Google
21 32 (28.32%) JavaScript
22 30 (26.55%) C#
22 30 (26.55%) Cloud Native
23 29 (25.66%) Data Centre

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 26 (23.01%) Tomcat
2 25 (22.12%) OpenStack
3 23 (20.35%) Cloud Foundry
3 23 (20.35%) WebLogic
3 23 (20.35%) WebSphere
4 4 (3.54%) Apache
5 3 (2.65%) nginx
6 2 (1.77%) Confluence
6 2 (1.77%) Elasticsearch
7 1 (0.88%) JBoss
7 1 (0.88%) Jetty
Applications
1 1 (0.88%) Microsoft Office
Cloud Services
1 64 (56.64%) Amazon AWS
2 50 (44.25%) Microsoft Azure
3 40 (35.40%) OpenShift
4 26 (23.01%) Google Cloud Platform
5 24 (21.24%) PaaS
5 24 (21.24%) Serverless
6 22 (19.47%) IBM Cloud
7 7 (6.19%) Akamai
8 6 (5.31%) Amazon EC2
8 6 (5.31%) Amazon S3
8 6 (5.31%) CloudFront
9 5 (4.42%) AWS CloudFormation
9 5 (4.42%) iTunes
10 4 (3.54%) AWS Lambda
10 4 (3.54%) SaaS
11 3 (2.65%) Cloud Computing
11 3 (2.65%) Route 53
12 2 (1.77%) IaaS
13 1 (0.88%) Amazon SQS
13 1 (0.88%) GitHub
Communications & Networking
1 22 (19.47%) DNS
2 19 (16.81%) DHCP
3 13 (11.50%) AMQP
4 12 (10.62%) Internet
5 11 (9.73%) SMS
6 10 (8.85%) HTTP
6 10 (8.85%) Network Security
7 9 (7.96%) DWDM
7 9 (7.96%) MPLS
7 9 (7.96%) VPN
7 9 (7.96%) WAN
8 8 (7.08%) 802.11
8 8 (7.08%) BGP
8 8 (7.08%) Cisco ASA
8 8 (7.08%) Firewall
8 8 (7.08%) IGRP
8 8 (7.08%) IPsec
8 8 (7.08%) OSPF
8 8 (7.08%) SSL
8 8 (7.08%) Wi-Fi
Database & Business Intelligence
1 43 (38.05%) MongoDB
2 41 (36.28%) NoSQL
3 38 (33.63%) PostgreSQL
4 37 (32.74%) MySQL
5 21 (18.58%) Apache Cassandra
6 20 (17.70%) Cloud Spanner
6 20 (17.70%) NewSQL
7 17 (15.04%) MariaDB
8 3 (2.65%) InfluxDB
9 2 (1.77%) Amazon DynamoDB
10 1 (0.88%) Big Data
10 1 (0.88%) Redis
Development Applications
1 16 (14.16%) Vagrant
2 13 (11.50%) Git (software)
3 6 (5.31%) GitLab
3 6 (5.31%) Jenkins
4 5 (4.42%) JIRA
5 3 (2.65%) IntelliJ
5 3 (2.65%) JUnit
5 3 (2.65%) Mockito
5 3 (2.65%) Sonatype Nexus
5 3 (2.65%) Spock
6 1 (0.88%) Cucumber
6 1 (0.88%) Geb
6 1 (0.88%) Selenium
General
1 22 (19.47%) Finance
2 20 (17.70%) Retail
3 12 (10.62%) Banking
4 9 (7.96%) Games
5 5 (4.42%) Retail Finance
6 2 (1.77%) Law
6 2 (1.77%) Retail Banking
7 1 (0.88%) Front Office
7 1 (0.88%) Investment Banking
7 1 (0.88%) Marketing
Job Titles
1 24 (21.24%) Systems Engineer
2 23 (20.35%) Architect
3 19 (16.81%) Developer
4 17 (15.04%) Software Engineer
5 16 (14.16%) Cloud Architect
6 12 (10.62%) Java Engineer
7 11 (9.73%) Cloud Developer
7 11 (9.73%) Java Software Engineer
8 8 (7.08%) Network Engineer
8 8 (7.08%) Network Security Engineer
8 8 (7.08%) Security Engineer
9 7 (6.19%) Java Developer
9 7 (6.19%) Network Systems Engineer
10 6 (5.31%) AWS DevOps
10 6 (5.31%) Technical Architect
10 6 (5.31%) VMware Engineer
11 5 (4.42%) Development Engineer
11 5 (4.42%) Java Technical Architect
11 5 (4.42%) Windows Engineer
11 5 (4.42%) Windows Systems Engineer
Libraries, Frameworks & Software Standards
1 51 (45.13%) Spring
1 51 (45.13%) Spring Boot
2 39 (34.51%) Node.js
3 26 (23.01%) REST
4 25 (22.12%) HTML
5 23 (20.35%) Java EE
5 23 (20.35%) Web Services
6 21 (18.58%) RESTful
7 20 (17.70%) .NET
8 18 (15.93%) CSS
8 18 (15.93%) Vert.x
9 17 (15.04%) Akka
9 17 (15.04%) RabbitMQ
10 15 (13.27%) HTML5
11 13 (11.50%) .NET Core
11 13 (11.50%) ASP.NET Web API
12 12 (10.62%) Spring Cloud
13 11 (9.73%) AngularJS
14 9 (7.96%) 802.1X
15 8 (7.08%) React
Miscellaneous
1 39 (34.51%) Enterprise Software
2 37 (32.74%) Public Cloud
3 30 (26.55%) Cloud Native
4 29 (25.66%) Data Centre
5 18 (15.93%) Hybrid Cloud
6 17 (15.04%) Computer Science
7 16 (14.16%) Self-Motivation
8 15 (13.27%) Blog
9 12 (10.62%) Fintech
10 10 (8.85%) Greenfield Project
11 8 (7.08%) Analytical Skills
11 8 (7.08%) FMCG
12 2 (1.77%) Algorithms
12 2 (1.77%) User Experience
13 1 (0.88%) Mobile App
13 1 (0.88%) N-Tier
13 1 (0.88%) Private Cloud
13 1 (0.88%) Robotics
13 1 (0.88%) Social Media
13 1 (0.88%) Virtual Team
Operating Systems
1 29 (25.66%) Linux
2 15 (13.27%) Windows
3 14 (12.39%) Unix
4 7 (6.19%) Android
4 7 (6.19%) Apple iOS
5 5 (4.42%) Windows Server
6 2 (1.77%) Ubuntu
7 1 (0.88%) Amazon Linux
7 1 (0.88%) CentOS
7 1 (0.88%) Debian
Processes & Methodologies
1 80 (70.80%) Agile Software Development
2 72 (63.72%) Microservices
3 68 (60.18%) DevOps
4 52 (46.02%) Software Engineering
5 47 (41.59%) Scrum
6 27 (23.89%) Continuous Delivery
6 27 (23.89%) TDD
7 22 (19.47%) Domain-Driven Design
7 22 (19.47%) Event-Driven Architecture
7 22 (19.47%) Re-Platforming
8 21 (18.58%) Configuration Management
8 21 (18.58%) Test Automation
9 19 (16.81%) Open Source
9 19 (16.81%) OWASP
10 18 (15.93%) SOLID
11 17 (15.04%) Non-Blocking Code
12 16 (14.16%) Extreme Programming
13 15 (13.27%) Mentoring
14 14 (12.39%) Infrastructure Transformation
15 13 (11.50%) Stakeholder Management
Programming Languages
1 74 (65.49%) Java
2 42 (37.17%) Python
2 42 (37.17%) SQL
3 32 (28.32%) JavaScript
4 30 (26.55%) C#
5 24 (21.24%) Go
6 16 (14.16%) Ruby
7 14 (12.39%) PowerShell
8 9 (7.96%) Java 8
9 4 (3.54%) Groovy
10 3 (2.65%) ES6
10 3 (2.65%) Scala
11 1 (0.88%) Bash Shell
11 1 (0.88%) Clojure
11 1 (0.88%) Erlang
11 1 (0.88%) F#
Qualifications
1 21 (18.58%) Degree
1 21 (18.58%) Master's Degree
2 13 (11.50%) Security Cleared
3 5 (4.42%) MCP
3 5 (4.42%) MCSE
3 5 (4.42%) Microsoft Certification
4 4 (3.54%) CCNP
4 4 (3.54%) Cisco Certification
Quality Assurance & Compliance
1 15 (13.27%) GCP
2 7 (6.19%) QA
System Software
1 48 (42.48%) Docker
2 19 (16.81%) VMware Infrastructure
3 15 (13.27%) VMware NSX
4 7 (6.19%) VMware ESXi
5 5 (4.42%) Active Directory
6 1 (0.88%) LXC
Systems Management
1 50 (44.25%) Kubernetes
2 36 (31.86%) Opscode Chef
3 35 (30.97%) Puppet
4 28 (24.78%) Ansible
5 16 (14.16%) Salt
5 16 (14.16%) vCenter Server
6 9 (7.96%) vRealize
7 4 (3.54%) Terraform
8 3 (2.65%) Cacti
8 3 (2.65%) Grafana
8 3 (2.65%) HAProxy
8 3 (2.65%) Icinga
8 3 (2.65%) Prometheus
8 3 (2.65%) Rancher
Vendors
1 37 (32.74%) VMware
2 33 (29.20%) Google
3 23 (20.35%) Red Hat
4 22 (19.47%) IBM
5 12 (10.62%) SAP
6 11 (9.73%) Cisco
7 9 (7.96%) CheckPoint
7 9 (7.96%) F5
7 9 (7.96%) Palo Alto
7 9 (7.96%) Riverbed
8 8 (7.08%) Arista
8 8 (7.08%) Aruba
8 8 (7.08%) Citrix
8 8 (7.08%) Fortinet
8 8 (7.08%) Meraki
8 8 (7.08%) Tufin
9 7 (6.19%) Blue Coat
9 7 (6.19%) Juniper
9 7 (6.19%) Microsoft
9 7 (6.19%) Zscaler