Period
to 18 November 2018

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 November 2018 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 Nov 2018
Same period 2017 Same period 2016
Rank 858 878 873
Rank change year-on-year +20 -5 -
Contract jobs citing The Twelve-Factor App 31 17 23
As % of all contract IT jobs advertised in the UK 0.030% 0.017% 0.022%
As % of the Processes & Methodologies category 0.035% 0.019% 0.026%
Number of daily rates quoted 20 13 11
UK median daily rate £618 £513 £475
Median daily rate % change year-on-year +20.59% +7.89% -
10th Percentile £420 £355 £406
90th Percentile £955 £593 £625
UK excluding London median daily rate £480 £400 £450
% change year-on-year +20.00% -11.11% -
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 88,426 87,561 90,028
As % of all contract IT jobs advertised in the UK 86.36% 85.75% 85.19%
Number of daily rates quoted 58,504 58,220 59,418
UK median daily rate £460 £450 £425
Median daily rate % change year-on-year +2.22% +5.88% +3.03%
10th Percentile £300 £278 £263
90th Percentile £638 £625 £600
UK excluding London median daily rate £425 £400 £400
% change year-on-year +6.25% - +4.99%
Number of hourly rates quoted 2,281 2,102 2,485
UK median hourly rate £22.00 £23.14 £22.50
Median hourly rate % change year-on-year -4.93% +2.84% +2.27%
10th Percentile £11.25 £11.25 £11.25
90th Percentile £50.75 £49.50 £48.00
UK excluding London median hourly rate £21.23 £24.00 £22.67
% change year-on-year -11.56% +5.86% +0.77%

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 November 2018.

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

The Twelve-Factor App
Top 9 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 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +20 29 £625 +21.95% 10
UK excluding London -11 16 £480 +20.00% 9
London +10 14 £725 +39.76% 1
South East - 11 £460 - 5
South West - 2 £544 - 1
East of England +9 1 - - 1
North of England - 1 £425 - 2
Wales - 1 - -
North East - 1 £425 - 1

For the 6 months to 18 November 2018, 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 24 (77.42%) Agile Software Development
2 23 (74.19%) Microservices
3 22 (70.97%) DevOps
4 17 (54.84%) Docker
4 17 (54.84%) Java
4 17 (54.84%) Web Services
5 16 (51.61%) Kubernetes
6 13 (41.94%) Test Automation
6 13 (41.94%) Amazon AWS
6 13 (41.94%) REST
6 13 (41.94%) Event-Driven Architecture
7 12 (38.71%) Spring
7 12 (38.71%) C#
8 11 (35.48%) .NET
8 11 (35.48%) ASP.NET Web API
8 11 (35.48%) Spring Boot
8 11 (35.48%) .NET Core
9 10 (32.26%) Cloud Native
9 10 (32.26%) JavaScript
10 9 (29.03%) SQL
10 9 (29.03%) MySQL
10 9 (29.03%) PostgreSQL
10 9 (29.03%) Node.js
10 9 (29.03%) QA
11 8 (25.81%) JIRA
11 8 (25.81%) Atlassian
11 8 (25.81%) Confluence
11 8 (25.81%) NoSQL
11 8 (25.81%) Finance
12 7 (22.58%) SQL Server

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 (25.81%) Confluence
2 4 (12.90%) Tomcat
3 3 (9.68%) nginx
3 3 (9.68%) WebLogic
3 3 (9.68%) WebSphere
4 2 (6.45%) Cloud Foundry
4 2 (6.45%) CMS
4 2 (6.45%) JBoss
5 1 (3.23%) Apache
Applications
1 1 (3.23%) HipChat
Cloud Services
1 13 (41.94%) Amazon AWS
2 5 (16.13%) Microsoft Azure
3 4 (12.90%) OpenShift
4 3 (9.68%) Google Cloud Platform
4 3 (9.68%) PaaS
5 2 (6.45%) AWS CloudFormation
6 1 (3.23%) GitHub
6 1 (3.23%) IBM Cloud
6 1 (3.23%) Serverless
Communications & Networking
1 1 (3.23%) HTTP
Database & Business Intelligence
1 9 (29.03%) MySQL
1 9 (29.03%) PostgreSQL
2 8 (25.81%) NoSQL
3 7 (22.58%) SQL Server
4 6 (19.35%) Apache Cassandra
4 6 (19.35%) Cloud Spanner
4 6 (19.35%) MongoDB
4 6 (19.35%) NewSQL
5 2 (6.45%) Squirro
6 1 (3.23%) InfluxDB
6 1 (3.23%) RDBMS
6 1 (3.23%) Relational Database
Development Applications
1 8 (25.81%) JIRA
2 3 (9.68%) git-flow
2 3 (9.68%) GitLab
3 1 (3.23%) Artifactory
3 1 (3.23%) Bitbucket
3 1 (3.23%) Checkstyle
3 1 (3.23%) Cobertura
3 1 (3.23%) Gradle
3 1 (3.23%) Jenkins
3 1 (3.23%) Maven
3 1 (3.23%) Sonatype Nexus
3 1 (3.23%) Subversion
General
1 8 (25.81%) Finance
2 3 (9.68%) Banking
3 2 (6.45%) Manufacturing
3 2 (6.45%) Marketing
3 2 (6.45%) Retail
3 2 (6.45%) Retail Finance
Job Titles
1 14 (45.16%) Architect
2 9 (29.03%) Developer
3 8 (25.81%) Technical Architect
4 5 (16.13%) .NET Architect
4 5 (16.13%) .NET Technical Architect
4 5 (16.13%) Java Developer
4 5 (16.13%) Lead Architect
5 4 (12.90%) DevOps Engineer
6 3 (9.68%) Cloud Architect
7 2 (6.45%) C# .NET Developer
7 2 (6.45%) C# Architect
7 2 (6.45%) Cloud Developer
7 2 (6.45%) Cloud Engineer
7 2 (6.45%) Java Architect
7 2 (6.45%) Lead .NET Developer
7 2 (6.45%) Lead C# Developer
7 2 (6.45%) Lead DevOps
7 2 (6.45%) Ruby Developer
7 2 (6.45%) Technical Developer
7 2 (6.45%) Technical Leader
Libraries, Frameworks & Software Standards
1 17 (54.84%) Web Services
2 13 (41.94%) REST
3 12 (38.71%) Spring
4 11 (35.48%) .NET
4 11 (35.48%) .NET Core
4 11 (35.48%) ASP.NET Web API
4 11 (35.48%) Spring Boot
5 9 (29.03%) Node.js
6 7 (22.58%) .NET Framework
6 7 (22.58%) ASP.NET
7 6 (19.35%) Akka
7 6 (19.35%) Vert.x
8 4 (12.90%) RESTful
9 3 (9.68%) Java EE
9 3 (9.68%) OAuth
10 2 (6.45%) CSS
10 2 (6.45%) J2EE
10 2 (6.45%) OpenID
10 2 (6.45%) RabbitMQ
10 2 (6.45%) Ruby on Rails
Miscellaneous
1 10 (32.26%) Cloud Native
2 6 (19.35%) Enterprise Software
3 5 (16.13%) iPad
4 3 (9.68%) Public Cloud
5 1 (3.23%) Blog
5 1 (3.23%) Computer Science
5 1 (3.23%) Hybrid Cloud
5 1 (3.23%) Life Science
5 1 (3.23%) User Experience
Operating Systems
1 4 (12.90%) Linux
2 3 (9.68%) Unix
3 1 (3.23%) Apple iOS
3 1 (3.23%) Solaris
Processes & Methodologies
1 24 (77.42%) Agile Software Development
2 23 (74.19%) Microservices
3 22 (70.97%) DevOps
4 13 (41.94%) Event-Driven Architecture
4 13 (41.94%) Test Automation
5 6 (19.35%) Non-Blocking Code
6 5 (16.13%) Continuous Delivery
6 5 (16.13%) E-Commerce
7 4 (12.90%) Configuration Management
7 4 (12.90%) Scrum
7 4 (12.90%) Software Engineering
7 4 (12.90%) TDD
8 3 (9.68%) SDLC
9 2 (6.45%) Decision-Making
9 2 (6.45%) Domain-Driven Design
9 2 (6.45%) Performance Tuning
9 2 (6.45%) Privileged Access Management
9 2 (6.45%) Problem-Solving
9 2 (6.45%) SOLID
9 2 (6.45%) User Stories
Programming Languages
1 17 (54.84%) Java
2 12 (38.71%) C#
3 10 (32.26%) JavaScript
4 9 (29.03%) SQL
5 6 (19.35%) Python
5 6 (19.35%) Ruby
6 5 (16.13%) Go
7 2 (6.45%) C
7 2 (6.45%) Java 8
7 2 (6.45%) Perl
7 2 (6.45%) PHP
Qualifications
1 2 (6.45%) Degree
2 1 (3.23%) Master's Degree
Quality Assurance & Compliance
1 9 (29.03%) QA
2 2 (6.45%) PSD2
System Software
1 17 (54.84%) Docker
2 3 (9.68%) Active Directory
Systems Management
1 16 (51.61%) Kubernetes
2 7 (22.58%) Ansible
3 5 (16.13%) Opscode Chef
3 5 (16.13%) Puppet
4 4 (12.90%) Terraform
5 3 (9.68%) HAProxy
6 2 (6.45%) Systems Management Server (SMS)
7 1 (3.23%) Cacti
7 1 (3.23%) Docker Swarm
7 1 (3.23%) Grafana
7 1 (3.23%) Icinga
7 1 (3.23%) Mesos
7 1 (3.23%) Prometheus
7 1 (3.23%) Rancher
7 1 (3.23%) Salt
7 1 (3.23%) yum
Vendors
1 8 (25.81%) Atlassian
2 7 (22.58%) Microsoft
3 3 (9.68%) Oracle
3 3 (9.68%) Red Hat
4 2 (6.45%) Google
4 2 (6.45%) Splunk
5 1 (3.23%) IBM
5 1 (3.23%) SAP
5 1 (3.23%) Sonatype
5 1 (3.23%) WorldPay