The Twelve-Factor App Contracts

Twelve-Factor Application Methodology
UK

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 17 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
17 May 2024
Same period 2023 Same period 2022
Rank 570 668 794
Rank change year-on-year +98 +126 -139
Contract jobs citing The Twelve-Factor App 9 33 55
As % of all contract jobs advertised in the UK 0.021% 0.058% 0.063%
As % of the Processes & Methodologies category 0.025% 0.065% 0.069%
Number of daily rates quoted 8 19 28
10th Percentile £490 £500 £499
25th Percentile £597 £513 £550
Median daily rate (50th Percentile) £650 £550 £619
Median % change year-on-year +18.18% -11.11% +2.27%
75th Percentile £675 £744 £700
90th Percentile £683 £875 £777
UK excluding London median daily rate £650 £538 £613
% change year-on-year +20.93% -12.24% -

All Process and Methodology Skills
UK

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.

Contract vacancies with a requirement for process or methodology skills 36,704 51,058 79,302
As % of all contract IT jobs advertised in the UK 86.15% 89.78% 90.64%
Number of daily rates quoted 23,629 35,390 55,663
10th Percentile £300 £325 £344
25th Percentile £413 £438 £430
Median daily rate (50th Percentile) £525 £550 £530
Median % change year-on-year -4.55% +3.77% +8.16%
75th Percentile £638 £650 £638
90th Percentile £750 £750 £738
UK excluding London median daily rate £500 £500 £480
% change year-on-year - +4.17% +9.43%
Number of hourly rates quoted 2,440 1,690 1,894
10th Percentile £12.75 £10.63 £12.50
25th Percentile £15.99 £15.99 £15.50
Median hourly rate £36.05 £35.65 £25.68
Median % change year-on-year +1.11% +38.82% +5.90%
75th Percentile £60.00 £65.00 £49.75
90th Percentile £72.50 £75.00 £65.00
UK excluding London median hourly rate £37.50 £35.00 £20.00
% change year-on-year +7.14% +75.00% -6.54%

The Twelve-Factor App
Job Vacancy Trend

Job postings citing The Twelve-Factor App as a proportion of all IT jobs advertised.

Job vacancy trend for The Twelve-Factor App in the UK

The Twelve-Factor App
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing The Twelve-Factor App.

Daily rate trend for The Twelve-Factor App in the UK

The Twelve-Factor App
Daily Rate Histogram

Daily rate distribution for jobs citing The Twelve-Factor App over the 6 months to 17 May 2024.

Daily rate histogram for The Twelve-Factor App in the UK

The Twelve-Factor App
Top 7 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 17 May 2024. 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
Jobs
Work from Home +127 8 £650 +23.81% 4
England +87 7 £650 +13.04% 6
UK excluding London +56 6 £650 +20.93% 2
Midlands - 5 £650 -
West Midlands - 5 £650 -
London +67 1 £436 -39.86% 4
Scotland +45 1 £525 - 1

The Twelve-Factor App
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (11.11%) Apache Spark
1 1 (11.11%) Tomcat
Cloud Services
1 8 (88.89%) AWS
2 7 (77.78%) Azure
3 5 (55.56%) CloudFront
3 5 (55.56%) Entra ID
3 5 (55.56%) Virtual Private Cloud
4 2 (22.22%) GCP
5 1 (11.11%) Amazon EKS
5 1 (11.11%) Amazon S3
5 1 (11.11%) AWS Lambda
5 1 (11.11%) AWS Step Functions
5 1 (11.11%) Serverless
5 1 (11.11%) Snowflake
Communications & Networking
1 5 (55.56%) DNS
1 5 (55.56%) Network Security
1 5 (55.56%) VPN
Database & Business Intelligence
1 2 (22.22%) PostgreSQL
1 2 (22.22%) Relational Database
2 1 (11.11%) Apache Cassandra
2 1 (11.11%) MySQL
2 1 (11.11%) NoSQL
2 1 (11.11%) RDBMS
Development Applications
1 2 (22.22%) Jenkins
1 2 (22.22%) JIRA
1 2 (22.22%) Mockito
2 1 (11.11%) Git
2 1 (11.11%) JUnit
General
1 5 (55.56%) Finance
1 5 (55.56%) Retail
2 1 (11.11%) Banking
2 1 (11.11%) Dutch Language
Job Titles
1 5 (55.56%) Applications Engineer
1 5 (55.56%) Cloud Engineer
1 5 (55.56%) Security Engineer
2 3 (33.33%) Developer
2 3 (33.33%) Java Developer
3 1 (11.11%) AWS Engineer
3 1 (11.11%) J2EE Developer
3 1 (11.11%) Java/J2EE Developer
3 1 (11.11%) Kubernetes Engineer
3 1 (11.11%) Linux Engineer
3 1 (11.11%) Linux Server Engineer
3 1 (11.11%) Server Engineer
3 1 (11.11%) Serverless Engineer
Libraries, Frameworks & Software Standards
1 5 (55.56%) OAuth
1 5 (55.56%) OAuth2
1 5 (55.56%) SAML
2 3 (33.33%) Spring
2 3 (33.33%) Spring Boot
3 2 (22.22%) Kafka
4 1 (11.11%) CSS
4 1 (11.11%) Elastic Stack
4 1 (11.11%) J2EE
4 1 (11.11%) JMS
4 1 (11.11%) JSON
4 1 (11.11%) Node.js
4 1 (11.11%) OpenTracing
4 1 (11.11%) React
4 1 (11.11%) REST
4 1 (11.11%) RESTful
Miscellaneous
1 6 (66.67%) Cloud Native
2 1 (11.11%) Algorithms
2 1 (11.11%) Data Structures
2 1 (11.11%) Distributed Systems
Operating Systems
1 5 (55.56%) Windows
2 1 (11.11%) Linux
Processes & Methodologies
1 6 (66.67%) CI/CD
2 5 (55.56%) Application Security
2 5 (55.56%) Cloud Security
2 5 (55.56%) Data Security
2 5 (55.56%) Defensive Programming
2 5 (55.56%) DevSecOps
2 5 (55.56%) Identity Access Management
2 5 (55.56%) Incident Response
2 5 (55.56%) Infrastructure Management
2 5 (55.56%) Penetration Testing
2 5 (55.56%) Task Automation
3 2 (22.22%) Agile
3 2 (22.22%) Microservices
3 2 (22.22%) Unit Testing
4 1 (11.11%) Architectural Patterns
4 1 (11.11%) Continuous Delivery
4 1 (11.11%) Design Patterns
4 1 (11.11%) Observability
4 1 (11.11%) TDD
4 1 (11.11%) Test Automation
Programming Languages
1 3 (33.33%) Java
2 2 (22.22%) Go
2 2 (22.22%) JavaScript
3 1 (11.11%) C#
3 1 (11.11%) Kotlin
3 1 (11.11%) Python
3 1 (11.11%) Scala
3 1 (11.11%) SQL
3 1 (11.11%) TypeScript
Qualifications
1 5 (55.56%) AWS Certification
2 1 (11.11%) SC Cleared
2 1 (11.11%) Security Cleared
System Software
1 8 (88.89%) Docker
2 5 (55.56%) Active Directory
Systems Management
1 3 (33.33%) Kubernetes
2 2 (22.22%) Grafana
3 1 (11.11%) ITRS Geneos
3 1 (11.11%) Prometheus
3 1 (11.11%) Rancher
3 1 (11.11%) Terraform
3 1 (11.11%) Zipkin
Vendors
1 1 (11.11%) Dynatrace
1 1 (11.11%) Oracle
1 1 (11.11%) Splunk