Period
to 18 January 2019

The following table provides summary statistics for contract job vacancies with a requirement for The Twelve-Factor App skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited The Twelve-Factor App over the 6 months to 18 January 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Twelve-Factor Application Methodology
UK
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 840 862 851
Rank change year-on-year +22 -11 -
Contract jobs citing The Twelve-Factor App 38 25 29
As % of all contract IT jobs advertised in the UK 0.038% 0.025% 0.030%
As % of the Processes & Methodologies category 0.044% 0.029% 0.035%
Number of daily rates quoted 25 18 14
UK median daily rate £611 £580 £475
Median daily rate % change year-on-year +5.34% +22.11% -
10th Percentile £425 £463 £425
90th Percentile £910 £850 £614
UK excluding London median daily rate £500 £800 £475
% change year-on-year -37.50% +68.42% -
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

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 contract job vacancies with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Contract vacancies with a requirement for process or methodology skills 86,466 86,109 82,761
As % of all contract IT jobs advertised in the UK 86.92% 85.85% 85.17%
Number of daily rates quoted 57,091 57,587 54,662
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +1.19%
10th Percentile £300 £281 £263
90th Percentile £650 £638 £613
UK excluding London median daily rate £425 £408 £400
% change year-on-year +4.29% +1.88% +3.23%
Number of hourly rates quoted 2,191 2,026 2,393
UK median hourly rate £23.50 £23.00 £23.00
Median hourly rate % change year-on-year +2.17% - -
10th Percentile £11.28 £11.25 £11.06
90th Percentile £50.25 £49.75 £48.75
UK excluding London median hourly rate £22.50 £24.00 £22.50
% change year-on-year -6.25% +6.67% -10.00%

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
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing The Twelve-Factor App.

Contractor daily rate trend for The Twelve-Factor App in the UK

The Twelve-Factor App
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing The Twelve-Factor App over the 6 months to 18 January 2019.

Contractor daily rate histogram for The Twelve-Factor App in the UK

The Twelve-Factor App
Top 10 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing The Twelve-Factor App within the UK over the 6 months to 18 January 2019. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +21 36 £588 +1.29% 7
UK excluding London +4 24 £500 -37.50% 7
South East - 16 £500 - 1
London +4 13 £725 +31.82%
North of England -22 4 £475 -40.63% 1
North East - 3 £475 -
South West - 2 £544 - 5
East of England +5 1 - -
Yorkshire -22 1 £550 -31.25% 1
Wales - 1 - -

For the 6 months to 18 January 2019, IT contractor 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 contract job ads with a requirement for The Twelve-Factor App.

1 28 (73.68%) Agile Software Development
1 28 (73.68%) DevOps
2 24 (63.16%) Microservices
3 23 (60.53%) Web Services
4 19 (50.00%) Docker
5 17 (44.74%) Java
5 17 (44.74%) Amazon AWS
6 16 (42.11%) Kubernetes
7 14 (36.84%) QA
7 14 (36.84%) Test Automation
7 14 (36.84%) JavaScript
8 13 (34.21%) Microsoft
8 13 (34.21%) REST
8 13 (34.21%) Event-Driven Architecture
9 12 (31.58%) C#
9 12 (31.58%) Node.js
10 11 (28.95%) ASP.NET Web API
10 11 (28.95%) Spring Boot
10 11 (28.95%) .NET Core
10 11 (28.95%) .NET
10 11 (28.95%) MySQL
10 11 (28.95%) PostgreSQL
10 11 (28.95%) Spring
11 10 (26.32%) SQL
11 10 (26.32%) Technical Leadership
12 9 (23.68%) Cloud Native
12 9 (23.68%) Public Cloud
12 9 (23.68%) Ruby
12 9 (23.68%) Microsoft Azure
13 8 (21.05%) Confluence

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 8 (21.05%) Confluence
2 4 (10.53%) Tomcat
3 3 (7.89%) nginx
3 3 (7.89%) WebLogic
3 3 (7.89%) WebSphere
4 2 (5.26%) Cloud Foundry
4 2 (5.26%) CMS
4 2 (5.26%) JBoss
5 1 (2.63%) Apache
Applications
1 1 (2.63%) HipChat
Cloud Services
1 17 (44.74%) Amazon AWS
2 9 (23.68%) Microsoft Azure
3 4 (10.53%) OpenShift
4 3 (7.89%) Google Cloud Platform
4 3 (7.89%) PaaS
5 2 (5.26%) AWS CloudFormation
5 2 (5.26%) Azure Active Directory
5 2 (5.26%) Office 365
6 1 (2.63%) GitHub
6 1 (2.63%) IBM Cloud
6 1 (2.63%) Serverless
Communications & Networking
1 2 (5.26%) AMQP
1 2 (5.26%) HTTP
1 2 (5.26%) Unified Communications
2 1 (2.63%) SSL
2 1 (2.63%) TCP/IP
Database & Business Intelligence
1 11 (28.95%) MySQL
1 11 (28.95%) PostgreSQL
2 7 (18.42%) SQL Server
3 6 (15.79%) Apache Cassandra
3 6 (15.79%) Cloud Spanner
3 6 (15.79%) MongoDB
3 6 (15.79%) NewSQL
3 6 (15.79%) NoSQL
4 2 (5.26%) MariaDB
4 2 (5.26%) Squirro
5 1 (2.63%) InfluxDB
5 1 (2.63%) RDBMS
5 1 (2.63%) Relational Database
Development Applications
1 8 (21.05%) JIRA
2 3 (7.89%) GitLab
3 2 (5.26%) git-flow
4 1 (2.63%) Artifactory
4 1 (2.63%) Bitbucket
4 1 (2.63%) Checkstyle
4 1 (2.63%) Cobertura
4 1 (2.63%) Git (software)
4 1 (2.63%) Gradle
4 1 (2.63%) Jenkins
4 1 (2.63%) Maven
4 1 (2.63%) Sonatype Nexus
General
1 8 (21.05%) Finance
2 6 (15.79%) Manufacturing
3 2 (5.26%) Banking
3 2 (5.26%) Marketing
3 2 (5.26%) Retail
3 2 (5.26%) Retail Finance
Job Titles
1 19 (50.00%) Architect
2 10 (26.32%) Developer
3 8 (21.05%) Technical Architect
4 7 (18.42%) Chief Architect
5 5 (13.16%) .NET Architect
5 5 (13.16%) .NET Technical Architect
5 5 (13.16%) Lead Architect
6 4 (10.53%) DevOps Engineer
6 4 (10.53%) Java Developer
6 4 (10.53%) Ruby Developer
7 3 (7.89%) Cloud Architect
8 2 (5.26%) .NET Developer
8 2 (5.26%) C# Architect
8 2 (5.26%) C# Developer
8 2 (5.26%) Cloud Developer
8 2 (5.26%) Java Architect
8 2 (5.26%) Lead .NET Developer
8 2 (5.26%) Lead Developer
8 2 (5.26%) Technical Developer
8 2 (5.26%) Technical Leader
Libraries, Frameworks & Software Standards
1 23 (60.53%) Web Services
2 13 (34.21%) REST
3 12 (31.58%) Node.js
4 11 (28.95%) .NET
4 11 (28.95%) .NET Core
4 11 (28.95%) ASP.NET Web API
4 11 (28.95%) Spring
4 11 (28.95%) Spring Boot
5 8 (21.05%) RESTful
6 7 (18.42%) .NET Framework
6 7 (18.42%) ASP.NET
7 6 (15.79%) Akka
7 6 (15.79%) OAuth
7 6 (15.79%) Vert.x
8 5 (13.16%) OpenID
8 5 (13.16%) SAML
9 4 (10.53%) CSS
9 4 (10.53%) HTML
9 4 (10.53%) RabbitMQ
9 4 (10.53%) Ruby on Rails
Miscellaneous
1 9 (23.68%) Cloud Native
1 9 (23.68%) Public Cloud
2 6 (15.79%) Enterprise Software
3 5 (13.16%) iPad
4 4 (10.53%) Life Science
5 1 (2.63%) Blog
5 1 (2.63%) Hybrid Cloud
5 1 (2.63%) User Experience
Operating Systems
1 5 (13.16%) Linux
2 3 (7.89%) Unix
3 1 (2.63%) Apple iOS
3 1 (2.63%) Solaris
Processes & Methodologies
1 28 (73.68%) Agile Software Development
1 28 (73.68%) DevOps
2 24 (63.16%) Microservices
3 14 (36.84%) Test Automation
4 13 (34.21%) Event-Driven Architecture
5 10 (26.32%) Technical Leadership
6 8 (21.05%) Continuous Delivery
7 7 (18.42%) Data Protection
7 7 (18.42%) Decision-Making
7 7 (18.42%) Enterprise Architecture
7 7 (18.42%) Information Security
7 7 (18.42%) SOA
8 6 (15.79%) Non-Blocking Code
8 6 (15.79%) Software Engineering
8 6 (15.79%) TDD
9 5 (13.16%) Configuration Management
9 5 (13.16%) E-Commerce
9 5 (13.16%) Privileged Access Management
9 5 (13.16%) Scrum
10 4 (10.53%) Pair Programming
Programming Languages
1 17 (44.74%) Java
2 14 (36.84%) JavaScript
3 12 (31.58%) C#
4 10 (26.32%) SQL
5 9 (23.68%) Ruby
6 7 (18.42%) Python
7 5 (13.16%) Go
8 4 (10.53%) Java 8
9 2 (5.26%) C
9 2 (5.26%) Perl
9 2 (5.26%) PHP
10 1 (2.63%) Bash Shell
Qualifications
1 5 (13.16%) Degree
2 1 (2.63%) Master's Degree
Quality Assurance & Compliance
1 14 (36.84%) QA
2 2 (5.26%) PSD2
System Software
1 19 (50.00%) Docker
2 6 (15.79%) Active Directory
Systems Management
1 16 (42.11%) Kubernetes
2 7 (18.42%) Ansible
3 5 (13.16%) Opscode Chef
3 5 (13.16%) Puppet
4 4 (10.53%) Terraform
5 3 (7.89%) HAProxy
6 2 (5.26%) Systems Management Server (SMS)
7 1 (2.63%) Cacti
7 1 (2.63%) Docker Swarm
7 1 (2.63%) Grafana
7 1 (2.63%) Icinga
7 1 (2.63%) Mesos
7 1 (2.63%) Prometheus
7 1 (2.63%) Rancher
7 1 (2.63%) Salt
7 1 (2.63%) yum
Vendors
1 13 (34.21%) Microsoft
2 8 (21.05%) Atlassian
3 3 (7.89%) Oracle
3 3 (7.89%) Red Hat
4 2 (5.26%) Google
4 2 (5.26%) Okta
4 2 (5.26%) Splunk
5 1 (2.63%) IBM
5 1 (2.63%) SAP
5 1 (2.63%) Sonatype
5 1 (2.63%) WorldPay