Period
to 16 October 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 16 October 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
16 Oct 2019
Same period 2018 Same period 2017
Rank 738 886 858
Rank change year-on-year +148 -28 +37
Contract jobs citing The Twelve-Factor App 71 26 26
As % of all contract IT jobs advertised in the UK 0.083% 0.025% 0.026%
As % of the Processes & Methodologies category 0.097% 0.029% 0.030%
Number of daily rates quoted 49 17 16
UK median daily rate £550 £611 £563
Median daily rate % change year-on-year -9.98% +8.62% +18.42%
10th Percentile £493 £441 £363
90th Percentile £683 £783 £609
UK excluding London median daily rate £500 £480 £400
% change year-on-year +4.17% +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 73,572 89,528 85,558
As % of all contract IT jobs advertised in the UK 86.40% 86.79% 86.22%
Number of daily rates quoted 48,282 59,039 56,609
UK median daily rate £475 £450 £450
Median daily rate % change year-on-year +5.56% - +5.88%
10th Percentile £300 £300 £278
90th Percentile £650 £638 £625
UK excluding London median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% -
Number of hourly rates quoted 2,257 2,448 2,084
UK median hourly rate £24.00 £20.50 £25.00
Median hourly rate % change year-on-year +17.07% -18.00% +11.11%
10th Percentile £11.80 £11.18 £11.25
90th Percentile £53.75 £50.00 £50.00
UK excluding London median hourly rate £23.00 £20.00 £25.00
% change year-on-year +15.00% -20.00% +6.38%

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 16 October 2019.

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

The Twelve-Factor App
Top 12 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 16 October 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 +127 66 £563 -8.16% 13
UK excluding London +102 39 £500 +4.17% 8
London +94 29 £575 -14.81% 5
South East +45 19 £513 +13.89% 5
South West +2 7 £650 +19.54%
Midlands - 6 £500 - 1
West Midlands - 6 £500 - 1
Scotland - 3 £500 -
East of England +31 2 £540 - 2
Wales - 1 £500 -
Yorkshire - 1 £500 -
North of England - 1 £500 -

For the 6 months to 16 October 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 58 (81.69%) AWS
2 55 (77.46%) DevOps
3 45 (63.38%) Microservices
4 43 (60.56%) Azure
5 38 (53.52%) Node.js
6 35 (49.30%) Agile Software Development
7 27 (38.03%) Ansible
8 26 (36.62%) Kubernetes
9 24 (33.80%) Git (software)
10 23 (32.39%) Jenkins
11 22 (30.99%) Terraform
11 22 (30.99%) Scrum
11 22 (30.99%) JavaScript
12 21 (29.58%) Linux
12 21 (29.58%) JIRA
12 21 (29.58%) Cloud Native
12 21 (29.58%) Go
13 19 (26.76%) .NET
14 18 (25.35%) CentOS
14 18 (25.35%) Artifactory
14 18 (25.35%) Kafka
14 18 (25.35%) CoreOS
14 18 (25.35%) Rust
14 18 (25.35%) Veracode
14 18 (25.35%) Sonatype Nexus
14 18 (25.35%) CircleCI
14 18 (25.35%) Infrastructure Automation
14 18 (25.35%) Amazon EKS
15 17 (23.94%) GCP
15 17 (23.94%) TDD

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 3 (4.23%) Confluence
2 1 (1.41%) Cloud Foundry
Applications
1 1 (1.41%) Microsoft Office
Cloud Services
1 58 (81.69%) AWS
2 43 (60.56%) Azure
3 18 (25.35%) Amazon EKS
4 17 (23.94%) GCP
5 9 (12.68%) PaaS
6 8 (11.27%) IaaS
6 8 (11.27%) Serverless
7 6 (8.45%) Azure Active Directory
8 5 (7.04%) Office 365
8 5 (7.04%) OneDrive
9 4 (5.63%) npm
10 1 (1.41%) Akamai
10 1 (1.41%) Amazon CloudWatch
10 1 (1.41%) Amazon EC2
10 1 (1.41%) Amazon ELB
10 1 (1.41%) Amazon Glacier
10 1 (1.41%) Amazon S3
10 1 (1.41%) AWS CloudFormation
10 1 (1.41%) Datadog
10 1 (1.41%) Virtual Private Cloud
Communications & Networking
1 5 (7.04%) LAN
1 5 (7.04%) WAN
2 4 (5.63%) DHCP
2 4 (5.63%) DNS
3 3 (4.23%) WLAN
4 2 (2.82%) Wi-Fi
5 1 (1.41%) BIG-IP
5 1 (1.41%) Cisco ASA
5 1 (1.41%) Cisco Firepower
5 1 (1.41%) Cisco IOS
5 1 (1.41%) DMVPN
5 1 (1.41%) F5 BIG-IP GTM
5 1 (1.41%) F5 BIG-IP LTM
5 1 (1.41%) GLBP
5 1 (1.41%) HTTPS
5 1 (1.41%) Internet
5 1 (1.41%) IPsec
5 1 (1.41%) Multicast
5 1 (1.41%) NetScaler
5 1 (1.41%) SSL
Database & Business Intelligence
1 1 (1.41%) Amazon RDS
Development Applications
1 24 (33.80%) Git (software)
2 23 (32.39%) Jenkins
3 21 (29.58%) JIRA
4 18 (25.35%) Artifactory
4 18 (25.35%) CircleCI
4 18 (25.35%) Sonatype Nexus
5 4 (5.63%) GitLab
5 4 (5.63%) Grunt
5 4 (5.63%) gulp
5 4 (5.63%) webpack
6 1 (1.41%) Cucumber
6 1 (1.41%) JMeter
General
1 12 (16.90%) Banking
2 6 (8.45%) Finance
3 3 (4.23%) Telecoms
4 1 (1.41%) Financial Institution
4 1 (1.41%) Manufacturing
4 1 (1.41%) Public Sector
4 1 (1.41%) Retail
Job Titles
1 21 (29.58%) Architect
2 17 (23.94%) DevOps Engineer
3 16 (22.54%) Developer
4 9 (12.68%) Azure Engineer
4 9 (12.68%) Salesforce Developer
5 8 (11.27%) Cloud Engineer
5 8 (11.27%) Senior Architect
6 7 (9.86%) Azure DevOps
7 6 (8.45%) AWS Engineer
7 6 (8.45%) Azure DevOps Engineer
7 6 (8.45%) Platform Engineer
8 5 (7.04%) AWS DevOps
8 5 (7.04%) AWS DevOps Engineer
8 5 (7.04%) Senior Developer
9 4 (5.63%) Cloud Architect
9 4 (5.63%) Linux DevOps Engineer
9 4 (5.63%) Linux/Unix DevOps
9 4 (5.63%) Network Architect
9 4 (5.63%) Senior JavaScript Developer
9 4 (5.63%) Technical Leader
Libraries, Frameworks & Software Standards
1 38 (53.52%) Node.js
2 19 (26.76%) .NET
3 18 (25.35%) Kafka
4 16 (22.54%) RESTful
5 12 (16.90%) OAuth
6 11 (15.49%) SAML
6 11 (15.49%) Web Services
7 10 (14.08%) OpenID
8 4 (5.63%) Browserify
8 4 (5.63%) CSS
8 4 (5.63%) Express
8 4 (5.63%) Next.js
8 4 (5.63%) Redux
8 4 (5.63%) Sass
9 3 (4.23%) J2EE
10 1 (1.41%) .NET Core
10 1 (1.41%) .NET Framework
10 1 (1.41%) ASP.NET
10 1 (1.41%) HTML
10 1 (1.41%) XML
Miscellaneous
1 21 (29.58%) Cloud Native
2 12 (16.90%) User Experience
3 11 (15.49%) Public Cloud
4 6 (8.45%) Greenfield Project
5 2 (2.82%) Analytical Skills
5 2 (2.82%) Hybrid Cloud
6 1 (1.41%) Data Centre
6 1 (1.41%) Life Science
Operating Systems
1 21 (29.58%) Linux
2 18 (25.35%) CentOS
2 18 (25.35%) CoreOS
3 5 (7.04%) Windows
4 3 (4.23%) Windows 10
5 2 (2.82%) Unix
6 1 (1.41%) Android
Processes & Methodologies
1 55 (77.46%) DevOps
2 45 (63.38%) Microservices
3 35 (49.30%) Agile Software Development
4 22 (30.99%) Scrum
5 18 (25.35%) Infrastructure Automation
6 17 (23.94%) TDD
7 15 (21.13%) Acceptance Criteria
7 15 (21.13%) BDD
7 15 (21.13%) CRM
7 15 (21.13%) Event-Driven Architecture
7 15 (21.13%) Pair Programming
7 15 (21.13%) SOLID
7 15 (21.13%) Technical Leadership
8 14 (19.72%) SOA
9 13 (18.31%) Proactive Monitoring
10 12 (16.90%) Decision-Making
11 11 (15.49%) Data Protection
11 11 (15.49%) Enterprise Architecture
11 11 (15.49%) Information Security
12 10 (14.08%) Privileged Access Management
Programming Languages
1 22 (30.99%) JavaScript
2 21 (29.58%) Go
3 18 (25.35%) Rust
4 16 (22.54%) Python
5 11 (15.49%) Apex Code
6 10 (14.08%) C#
7 4 (5.63%) ES6
7 4 (5.63%) Java
7 4 (5.63%) PHP
8 3 (4.23%) Ruby
8 3 (4.23%) Scala
9 2 (2.82%) PowerShell
10 1 (1.41%) Bash Shell
Qualifications
1 3 (4.23%) CCIE
1 3 (4.23%) CCNP
1 3 (4.23%) Cisco Certification
1 3 (4.23%) Degree
2 2 (2.82%) CCNA
3 1 (1.41%) Computer Science Degree
3 1 (1.41%) Master's Degree
3 1 (1.41%) TOGAF Certification
Quality Assurance & Compliance
1 11 (15.49%) QA
System Software
1 16 (22.54%) Active Directory
1 16 (22.54%) Docker
2 1 (1.41%) VMware Infrastructure
2 1 (1.41%) VMware NSX
Systems Management
1 27 (38.03%) Ansible
2 26 (36.62%) Kubernetes
3 22 (30.99%) Terraform
4 2 (2.82%) Puppet
5 1 (1.41%) AirWatch
5 1 (1.41%) Consul
5 1 (1.41%) Kibana
5 1 (1.41%) Mesos
5 1 (1.41%) Opscode Chef
5 1 (1.41%) SCCM
5 1 (1.41%) Single Sign-On
5 1 (1.41%) vCenter Server
5 1 (1.41%) vRealize
Vendors
1 18 (25.35%) Veracode
2 17 (23.94%) Microsoft
3 15 (21.13%) Salesforce.com
4 13 (18.31%) Cisco
5 11 (15.49%) VMware
6 10 (14.08%) Dell
6 10 (14.08%) EMC
6 10 (14.08%) NetApp
7 3 (4.23%) AppDynamics
7 3 (4.23%) Google
7 3 (4.23%) ServiceNow
8 2 (2.82%) SAP
9 1 (1.41%) Aruba
9 1 (1.41%) CheckPoint
9 1 (1.41%) Citrix
9 1 (1.41%) Fortinet
9 1 (1.41%) Juniper
9 1 (1.41%) Progress
9 1 (1.41%) Riverbed
9 1 (1.41%) Tufin