TDD Contracts in England

Test-Driven Development (TDD)
UK > England

The table below provides summary statistics for contract job vacancies advertised in England requiring TDD skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited TDD over the 6 months leading up to 24 May 2025, comparing them to the same period in the previous two years.

6 months to
24 May 2025
Same period 2024 Same period 2023
Rank 149 114 73
Rank change year-on-year -35 -41 -17
Contract jobs citing TDD 457 733 1,530
As % of all contract jobs advertised in England 1.90% 2.01% 3.20%
As % of the Processes & Methodologies category 2.09% 2.34% 3.55%
Number of daily rates quoted 330 487 1,136
10th Percentile £360 £363 £450
25th Percentile £425 £463 £513
Median daily rate (50th Percentile) £525 £563 £625
Median % change year-on-year -6.67% -10.00% +4.17%
75th Percentile £666 £725 £725
90th Percentile £825 £838 £813
UK median daily rate £500 £550 £610
% change year-on-year -9.09% -9.84% +6.09%
Number of hourly rates quoted 5 49 41
10th Percentile £62.75 - £60.00
25th Percentile - £61.25 £65.00
Median hourly rate £65.00 £65.00 £70.00
Median % change year-on-year - -7.14% +2.69%
75th Percentile - - £75.00
90th Percentile - - -
UK median hourly rate £65.00 £65.00 £70.00
% change year-on-year - -7.14% +3.92%

All Process and Methodology Skills
England

TDD falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in England.

Contract vacancies with a requirement for process or methodology skills 21,908 31,369 43,074
As % of all contract IT jobs advertised in England 91.28% 86.13% 90.02%
Number of daily rates quoted 14,318 20,561 30,212
10th Percentile £305 £300 £325
25th Percentile £410 £413 £450
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% +1.85%
75th Percentile £638 £650 £675
90th Percentile £750 £750 £769
UK median daily rate £513 £525 £550
% change year-on-year -2.38% -4.55% +2.80%
Number of hourly rates quoted 931 2,271 1,523
10th Percentile £14.20 £12.92 £10.63
25th Percentile £18.13 £15.97 £16.00
Median hourly rate £28.00 £36.50 £37.30
Median % change year-on-year -23.29% -2.14% +49.20%
75th Percentile £60.00 £60.30 £65.00
90th Percentile £75.00 £72.50 £75.00
UK median hourly rate £27.50 £36.00 £36.00
% change year-on-year -23.61% - +40.19%

TDD
Job Vacancy Trend in England

Job postings citing TDD as a proportion of all IT jobs advertised in England.

Job vacancy trend for TDD in England

TDD
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing TDD in England.

Daily rate trend for TDD in England

TDD
Daily Rate Histogram in England

Daily rate distribution for jobs citing TDD in England over the 6 months to 24 May 2025.

Daily rate histogram for TDD in England

TDD
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing TDD in England.

Hourly rate trend for TDD in England

TDD
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the England region over the 6 months to 24 May 2025. 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
London -48 275 £600 - 558
North of England +20 77 £491 -10.65% 731
North West +24 38 £485 -7.62% 386
Midlands +33 35 £461 +2.50% 517
Yorkshire +3 31 £510 -9.36% 264
West Midlands +28 26 £460 +2.22% 281
South East +15 23 £350 -26.32% 756
South West +35 22 £373 -36.86% 314
East of England -16 16 £489 -2.29% 411
East Midlands +15 9 £463 +16.35% 202
North East +4 9 £480 +28.00% 81
TDD
UK

TDD
Co-occurring Skills and Capabilities in England 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 41 (8.97%) Confluence
2 6 (1.31%) Apache
2 6 (1.31%) Apache Spark
2 6 (1.31%) CMS
3 5 (1.09%) WordPress
4 4 (0.88%) Drupal
5 2 (0.44%) Alfresco
5 2 (0.44%) Camunda
6 1 (0.22%) Anypoint
6 1 (0.22%) Apache Airflow
6 1 (0.22%) IIS
6 1 (0.22%) JBoss
6 1 (0.22%) MQSeries
6 1 (0.22%) nginx
6 1 (0.22%) OpenStack
6 1 (0.22%) Oracle Coherence
6 1 (0.22%) SharePoint
6 1 (0.22%) Tomcat
6 1 (0.22%) Umbraco
6 1 (0.22%) WebLogic
Applications
1 3 (0.66%) Microsoft Office
2 2 (0.44%) Microsoft Excel
2 2 (0.44%) MS Visio
2 2 (0.44%) Notepad++
2 2 (0.44%) Open Workbench
Business Applications
1 3 (0.66%) Dynamics CRM
2 1 (0.22%) NetSuite
2 1 (0.22%) Oracle TCA
2 1 (0.22%) SAP HCM
2 1 (0.22%) Workday HCM
Cloud Services
1 185 (40.48%) AWS
2 128 (28.01%) Azure
3 61 (13.35%) GCP
4 42 (9.19%) Azure DevOps
5 37 (8.10%) Serverless
6 35 (7.66%) GitHub
7 29 (6.35%) Amazon S3
8 26 (5.69%) Amazon EC2
8 26 (5.69%) AWS Lambda
9 18 (3.94%) Amazon SQS
10 16 (3.50%) Route 53
11 13 (2.84%) Amazon EKS
11 13 (2.84%) AWS CloudFormation
12 11 (2.41%) Amazon CloudWatch
12 11 (2.41%) AWS KMS
12 11 (2.41%) GitHub Actions
13 10 (2.19%) Azure Data Factory
13 10 (2.19%) Cloud Computing
13 10 (2.19%) SaaS
14 9 (1.97%) OpenShift
Communications & Networking
1 7 (1.53%) HTTP
2 6 (1.31%) Ethernet
2 6 (1.31%) Firewall
2 6 (1.31%) TCP/IP
3 4 (0.88%) Internet
3 4 (0.88%) Network Security
3 4 (0.88%) Wireless
4 2 (0.44%) IPsec
4 2 (0.44%) Kerberos
4 2 (0.44%) SAN
4 2 (0.44%) SSL
5 1 (0.22%) VPN
Database & Business Intelligence
1 106 (23.19%) PostgreSQL
2 71 (15.54%) Relational Database
3 38 (8.32%) MongoDB
4 36 (7.88%) SQL Server
5 35 (7.66%) NoSQL
6 24 (5.25%) MySQL
7 20 (4.38%) Redis
8 19 (4.16%) Amazon Aurora
8 19 (4.16%) Amazon RDS
9 15 (3.28%) DynamoDB
10 10 (2.19%) Apache Cassandra
11 9 (1.97%) DocumentDB
12 7 (1.53%) RDBMS
13 5 (1.09%) Amazon Redshift
13 5 (1.09%) CockroachDB
13 5 (1.09%) Oracle Database
14 3 (0.66%) SQL Server Reporting Services
15 2 (0.44%) Azure SQL Database
15 2 (0.44%) Data Warehouse
15 2 (0.44%) SQL Server Integration Services
Development Applications
1 115 (25.16%) Jenkins
2 90 (19.69%) Git
3 84 (18.38%) JUnit
4 57 (12.47%) JIRA
5 52 (11.38%) Mockito
6 45 (9.85%) Gradle
7 37 (8.10%) Maven
8 33 (7.22%) Cucumber
9 31 (6.78%) Liquibase
10 30 (6.56%) GitLab
11 26 (5.69%) Selenium
12 18 (3.94%) Cypress.io
12 18 (3.94%) Postman
13 16 (3.50%) SonarQube
14 14 (3.06%) REST Assured
15 13 (2.84%) Jasmine
16 12 (2.63%) JMeter
17 10 (2.19%) Subversion
18 9 (1.97%) Bitbucket
18 9 (1.97%) Visual Studio
General
1 130 (28.45%) Finance
2 99 (21.66%) Social Skills
3 85 (18.60%) Public Sector
4 55 (12.04%) Banking
5 39 (8.53%) Marketing
6 38 (8.32%) Analytical Skills
6 38 (8.32%) Telecoms
7 36 (7.88%) Electronics
7 36 (7.88%) Manufacturing
8 35 (7.66%) Front Office
9 31 (6.78%) Investment Banking
10 11 (2.41%) Military
10 11 (2.41%) Presentation Skills
11 7 (1.53%) Inclusion and Diversity
12 6 (1.31%) Retail Banking
13 4 (0.88%) Retail
14 3 (0.66%) Automotive
14 3 (0.66%) Financial Institution
15 2 (0.44%) Back Office
15 2 (0.44%) Law
Job Titles
1 285 (62.36%) Developer
2 118 (25.82%) Java Developer
3 100 (21.88%) Senior
4 67 (14.66%) Software Engineer
5 64 (14.00%) Senior Developer
6 55 (12.04%) Lead
7 42 (9.19%) Full-Stack Developer
8 38 (8.32%) Senior Java Developer
9 37 (8.10%) Lead Developer
10 35 (7.66%) C# Developer
11 29 (6.35%) Full-Stack Engineer
11 29 (6.35%) Lead Java Developer
12 28 (6.13%) Java Engineer
13 25 (5.47%) React Developer
14 24 (5.25%) .NET Developer
15 23 (5.03%) SC Cleared Java Developer
16 20 (4.38%) Full-Stack Software Engineer
17 19 (4.16%) Developer/Software Engineer
17 19 (4.16%) Java Software Engineer
18 15 (3.28%) Front-End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 104 (22.76%) Spring
2 102 (22.32%) React
3 96 (21.01%) Spring Boot
4 83 (18.16%) Kafka
5 72 (15.75%) REST
6 68 (14.88%) AngularJS
7 64 (14.00%) Node.js
8 63 (13.79%) .NET
9 62 (13.57%) HTML
10 55 (12.04%) RESTful
11 50 (10.94%) CSS
12 43 (9.41%) Web Services
13 42 (9.19%) Swagger
14 36 (7.88%) OpenAPI
15 30 (6.56%) Redux
16 29 (6.35%) GraphQL
16 29 (6.35%) Hibernate
17 27 (5.91%) Vue
18 25 (5.47%) ActiveMQ
19 24 (5.25%) JPA
Miscellaneous
1 34 (7.44%) Fixed Income
2 30 (6.56%) Distributed Systems
3 23 (5.03%) Derivative
4 21 (4.60%) Product Ownership
5 20 (4.38%) Equities
6 19 (4.16%) Hedge funds
7 18 (3.94%) Cloud Native
7 18 (3.94%) Foreign Exchange (FX)
8 15 (3.28%) Management Information System
9 14 (3.06%) Public Cloud
10 10 (2.19%) Market Risk
10 10 (2.19%) Mobile App
11 9 (1.97%) Distributed Denial-of-Service
11 9 (1.97%) N-Tier
12 7 (1.53%) Algorithms
12 7 (1.53%) Equity Derivative
12 7 (1.53%) Legacy Systems
13 6 (1.31%) PKI
13 6 (1.31%) Self-Motivation
14 5 (1.09%) Greenfield Project
Operating Systems
1 46 (10.07%) Linux
2 15 (3.28%) Unix
3 13 (2.84%) Windows
4 11 (2.41%) Android
4 11 (2.41%) Red Hat Enterprise Linux
5 6 (1.31%) Apple iOS
6 4 (0.88%) Mac OS X
7 3 (0.66%) Windows Server
8 1 (0.22%) VMS
Processes & Methodologies
1 288 (63.02%) Agile
2 213 (46.61%) CI/CD
3 156 (34.14%) DevOps
4 150 (32.82%) Microservices
5 137 (29.98%) Software Engineering
6 134 (29.32%) BDD
7 112 (24.51%) Continuous Integration
8 108 (23.63%) Test Automation
9 84 (18.38%) Scrum
10 71 (15.54%) Full-Stack Development
11 70 (15.32%) Containerisation
11 70 (15.32%) Continuous Delivery
12 61 (13.35%) Problem-Solving
13 58 (12.69%) Computer Science
14 54 (11.82%) Unit Testing
15 53 (11.60%) Design Patterns
16 49 (10.72%) Mentoring
17 45 (9.85%) Analytics
18 39 (8.53%) SOLID
19 38 (8.32%) Clean Code
Programming Languages
1 235 (51.42%) Java
2 126 (27.57%) SQL
3 125 (27.35%) JavaScript
4 109 (23.85%) Python
5 87 (19.04%) TypeScript
6 74 (16.19%) C#
7 24 (5.25%) Kotlin
8 21 (4.60%) Scala
9 19 (4.16%) C++
10 18 (3.94%) Bash
11 17 (3.72%) Shell Script
12 15 (3.28%) PowerShell
13 12 (2.63%) Go
14 8 (1.75%) Ruby
15 7 (1.53%) PHP
16 6 (1.31%) F#
16 6 (1.31%) Groovy
16 6 (1.31%) T-SQL
17 5 (1.09%) Swift
18 4 (0.88%) DAML
Qualifications
1 109 (23.85%) Security Cleared
2 101 (22.10%) SC Cleared
3 56 (12.25%) Degree
4 24 (5.25%) Computer Science Degree
5 15 (3.28%) Numerate Degree
6 8 (1.75%) Azure Certification
7 7 (1.53%) Microsoft Certification
8 5 (1.09%) MCPD
8 5 (1.09%) MCSD
9 3 (0.66%) BPSS Clearance
10 2 (0.44%) AWS Certification
10 2 (0.44%) ISTQB
10 2 (0.44%) SAFe Agilist
10 2 (0.44%) TOGAF Certification
11 1 (0.22%) MCAD
11 1 (0.22%) MCSA
11 1 (0.22%) MCSE
11 1 (0.22%) OCA
11 1 (0.22%) Oracle Certification
11 1 (0.22%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 32 (7.00%) QA
2 26 (5.69%) Accessibility
3 17 (3.72%) WCAG
4 4 (0.88%) PCI DSS
5 3 (0.66%) Data Quality
6 2 (0.44%) GDPR
6 2 (0.44%) MiFID
7 1 (0.22%) HL7
7 1 (0.22%) ISO/IEC 27001
7 1 (0.22%) NIST
7 1 (0.22%) Software Quality Assurance
System Software
1 139 (30.42%) Docker
2 6 (1.31%) Postfix
3 2 (0.44%) RACF
4 1 (0.22%) Active Directory
4 1 (0.22%) Apache ZooKeeper
4 1 (0.22%) Embedded Firmware
4 1 (0.22%) Firmware
4 1 (0.22%) VMware Infrastructure
Systems Management
1 87 (19.04%) Kubernetes
2 38 (8.32%) Terraform
3 19 (4.16%) Ansible
4 16 (3.50%) Grafana
4 16 (3.50%) Prometheus
5 8 (1.75%) Kibana
6 5 (1.09%) Progress Chef
7 4 (0.88%) Puppet
8 3 (0.66%) Single Sign-On
9 2 (0.44%) Packer
9 2 (0.44%) vRealize
10 1 (0.22%) CloudHub
10 1 (0.22%) Docker Swarm
10 1 (0.22%) Kubeflow
10 1 (0.22%) PowerCLI
10 1 (0.22%) vCenter Server
Vendors
1 49 (10.72%) Microsoft
2 38 (8.32%) SAP
3 25 (5.47%) Oracle
4 12 (2.63%) Google
5 10 (2.19%) Atlassian
6 8 (1.75%) CA Agile Central
6 8 (1.75%) Splunk
7 7 (1.53%) Jaspersoft
7 7 (1.53%) Salesforce
8 6 (1.31%) TIBCO
9 5 (1.09%) Dynatrace
10 4 (0.88%) Databricks
10 4 (0.88%) Red Hat
10 4 (0.88%) Zend
11 3 (0.66%) VMware
12 2 (0.44%) Brocade
12 2 (0.44%) Cisco
12 2 (0.44%) Dell
12 2 (0.44%) HP
12 2 (0.44%) IBM