TDD Contracts in England

Test-Driven Development (TDD)
UK > England

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 6 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
6 May 2024
Same period 2023 Same period 2022
Rank 118 72 55
Rank change year-on-year -46 -17 -8
Contract jobs citing TDD 724 1,632 3,070
As % of all contract jobs advertised in England 1.95% 3.27% 4.31%
As % of the Processes & Methodologies category 2.26% 3.62% 4.75%
Number of daily rates quoted 480 1,206 2,298
10th Percentile £363 £450 £408
25th Percentile £463 £516 £475
Median daily rate (50th Percentile) £563 £625 £600
Median % change year-on-year -10.00% +4.17% +11.63%
75th Percentile £725 £738 £679
90th Percentile £838 £816 £750
UK median daily rate £550 £605 £575
% change year-on-year -9.09% +5.22% +9.52%
Number of hourly rates quoted 50 43 44
10th Percentile - £57.00 -
25th Percentile £61.25 £65.00 £35.00
Median hourly rate £65.00 £67.00 £65.52
Median % change year-on-year -2.99% +2.26% +1.58%
75th Percentile - £75.00 £76.73
90th Percentile - - £78.75
UK median hourly rate £65.00 £68.50 £65.54
% change year-on-year -5.11% +4.52% +13.98%

All Process and Methodology Skills
England

TDD 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 advertised in England with a requirement for process or methodology skills.

Contract vacancies with a requirement for process or methodology skills 32,103 45,050 64,614
As % of all contract IT jobs advertised in England 86.60% 90.20% 90.79%
Number of daily rates quoted 21,075 31,613 45,917
10th Percentile £300 £325 £331
25th Percentile £413 £445 £425
Median daily rate (50th Percentile) £525 £550 £538
Median % change year-on-year -4.55% +2.33% +7.61%
75th Percentile £650 £675 £650
90th Percentile £750 £763 £750
UK median daily rate £525 £550 £530
% change year-on-year -4.55% +3.77% +8.72%
Number of hourly rates quoted 2,251 1,592 1,754
10th Percentile £12.92 £11.00 £12.50
25th Percentile £16.00 £16.25 £15.25
Median hourly rate £36.50 £37.15 £24.35
Median % change year-on-year -1.75% +52.57% +3.62%
75th Percentile £60.00 £65.00 £49.25
90th Percentile £72.50 £75.00 £64.42
UK median hourly rate £35.96 £36.00 £25.00
% change year-on-year -0.11% +44.00% +2.04%

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 6 May 2024.

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
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing TDD in England over the 6 months to 6 May 2024.

Hourly rate histogram 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 6 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
London -22 491 £600 -7.69% 246
North of England -75 63 £550 -2.22% 109
East of England +1 59 £493 -15.52% 42
South East -24 59 £475 -17.39% 85
Yorkshire -33 31 £580 -3.33% 17
North West -47 28 £525 -4.55% 83
South West -21 27 £585 +6.36% 29
Midlands -20 12 £435 -24.35% 40
West Midlands -24 11 £450 -24.37% 21
North East -3 4 £375 -34.78% 10
East Midlands +1 1 £398 -43.21% 19
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 25 (3.45%) Confluence
2 19 (2.62%) CMS
3 16 (2.21%) nginx
4 14 (1.93%) Apache
5 9 (1.24%) Apache Spark
5 9 (1.24%) Drupal
6 7 (0.97%) OpenStack
6 7 (0.97%) SAS
7 5 (0.69%) SharePoint
8 4 (0.55%) Apache Airflow
9 3 (0.41%) IIS
9 3 (0.41%) JBoss
10 2 (0.28%) Anypoint
10 2 (0.28%) Apache Solr
10 2 (0.28%) Jadu
10 2 (0.28%) Microsoft Exchange
10 2 (0.28%) NServiceBus
11 1 (0.14%) Appian
11 1 (0.14%) Cloud Foundry
11 1 (0.14%) Red Hat Fuse
Applications
1 6 (0.83%) Microsoft Office
2 3 (0.41%) Microsoft Project
3 1 (0.14%) Chatbot
3 1 (0.14%) Trello
Business Applications
1 6 (0.83%) NEC Housing
1 6 (0.83%) Shopify
2 5 (0.69%) Dynamics CRM
3 2 (0.28%) RMDS
4 1 (0.14%) Aareon QL
4 1 (0.14%) Distributed Ledger
4 1 (0.14%) Endur
4 1 (0.14%) Magento
4 1 (0.14%) MIS ActiveH
4 1 (0.14%) NetSuite
4 1 (0.14%) OPENHousing
Cloud Services
1 235 (32.46%) Azure
2 207 (28.59%) AWS
3 112 (15.47%) Azure DevOps
4 86 (11.88%) GCP
5 71 (9.81%) Azure Service Bus
6 60 (8.29%) Serverless
7 52 (7.18%) Azure Cosmos DB
8 44 (6.08%) GitHub
9 41 (5.66%) Azure Monitor
10 25 (3.45%) Azure Functions
11 23 (3.18%) Azure API Management
12 21 (2.90%) Power Platform
13 20 (2.76%) PaaS
14 18 (2.49%) Amazon EKS
14 18 (2.49%) Azure Logic Apps
14 18 (2.49%) Azure Pipelines
15 17 (2.35%) Azure Key Vault
15 17 (2.35%) Azure Storage
16 16 (2.21%) AWS Lambda
16 16 (2.21%) Azure Data Factory
Communications & Networking
1 36 (4.97%) Modbus
1 36 (4.97%) RS-422
1 36 (4.97%) RS-485
2 32 (4.42%) HTTP
3 15 (2.07%) TCP/IP
4 11 (1.52%) FTP
5 10 (1.38%) Ethernet
6 5 (0.69%) Internet
6 5 (0.69%) SSH
7 4 (0.55%) SSL
8 2 (0.28%) DNS
8 2 (0.28%) IP Telephony
8 2 (0.28%) Unified Communications
9 1 (0.14%) DHCP
9 1 (0.14%) Firewall
9 1 (0.14%) HTTPS
9 1 (0.14%) PuTTY
9 1 (0.14%) SNMP
9 1 (0.14%) VLAN
9 1 (0.14%) VPN
Database & Business Intelligence
1 120 (16.57%) SQL Server
2 65 (8.98%) NoSQL
3 48 (6.63%) Relational Database
4 45 (6.22%) MongoDB
4 45 (6.22%) PostgreSQL
5 34 (4.70%) Azure SQL Database
6 33 (4.56%) Apache Cassandra
7 22 (3.04%) MySQL
8 16 (2.21%) Data Lake
9 14 (1.93%) Data Warehouse
10 13 (1.80%) Power BI
11 11 (1.52%) KDB
12 10 (1.38%) DynamoDB
12 10 (1.38%) Redis
13 7 (0.97%) Big Data
13 7 (0.97%) OLTP
14 6 (0.83%) Flink
15 4 (0.55%) Amazon RDS
15 4 (0.55%) Couchbase
15 4 (0.55%) Enterprise Data Warehouse
Development Applications
1 157 (21.69%) Git
2 88 (12.15%) Jenkins
3 68 (9.39%) JIRA
4 46 (6.35%) JUnit
5 39 (5.39%) Postman
6 37 (5.11%) Cucumber
6 37 (5.11%) Mockito
7 36 (4.97%) Selenium
8 33 (4.56%) Visual Studio
9 31 (4.28%) Cypress.io
10 29 (4.01%) TeamCity
11 21 (2.90%) SpecFlow
12 18 (2.49%) JMeter
13 14 (1.93%) Maven
13 14 (1.93%) WebDriver
14 13 (1.80%) Gradle
14 13 (1.80%) NUnit
14 13 (1.80%) SoapUI
15 12 (1.66%) GitLab
16 11 (1.52%) Eclipse
General
1 172 (23.76%) Finance
2 153 (21.13%) Social Skills
3 72 (9.94%) Front Office
4 59 (8.15%) Banking
5 58 (8.01%) Public Sector
6 43 (5.94%) Electronics
7 42 (5.80%) Back Office
8 36 (4.97%) Analytical Skills
9 23 (3.18%) Investment Banking
10 21 (2.90%) Retail
11 18 (2.49%) Presentation Skills
12 17 (2.35%) Marketing
13 13 (1.80%) Inclusion and Diversity
14 11 (1.52%) Military
15 10 (1.38%) Advertising
15 10 (1.38%) Manufacturing
16 9 (1.24%) Law
16 9 (1.24%) Telecoms
17 8 (1.10%) Tech for Good
18 4 (0.55%) Influencing Skills
Job Titles
1 417 (57.60%) Developer
2 160 (22.10%) Senior
3 125 (17.27%) Software Engineer
4 110 (15.19%) Java Developer
5 100 (13.81%) Senior Developer
6 64 (8.84%) Lead
7 59 (8.15%) .NET Developer
8 52 (7.18%) Full Stack Developer
9 48 (6.63%) C# Developer
10 43 (5.94%) Scala Developer
11 37 (5.11%) C++ Software Engineer
11 37 (5.11%) Senior Java Developer
12 36 (4.97%) Python Developer
13 33 (4.56%) Front-End Developer (Client-Side Developer)
14 28 (3.87%) Developer/Software Engineer
14 28 (3.87%) Finance Manager
15 27 (3.73%) .NET Software Developer
16 26 (3.59%) .NET Software Engineer
17 25 (3.45%) Software Asset Manager
17 25 (3.45%) Software Manager
Libraries, Frameworks & Software Standards
1 195 (26.93%) .NET
2 144 (19.89%) React
3 111 (15.33%) Spring
4 107 (14.78%) .NET Core
5 102 (14.09%) Kafka
6 96 (13.26%) REST
7 87 (12.02%) CSS
8 79 (10.91%) Node.js
9 78 (10.77%) Spring Boot
10 76 (10.50%) HTML
11 73 (10.08%) RESTful
12 71 (9.81%) Web Services
13 65 (8.98%) AngularJS
14 62 (8.56%) Redux
15 44 (6.08%) ASP.NET
16 36 (4.97%) .NET Framework
17 35 (4.83%) GraphQL
18 33 (4.56%) Akka
18 33 (4.56%) Sass
19 28 (3.87%) SOAP
Miscellaneous
1 59 (8.15%) Derivative
2 54 (7.46%) Fixed Income
3 42 (5.80%) Product Ownership
4 40 (5.52%) Foreign Exchange (FX)
4 40 (5.52%) Self-Motivation
5 33 (4.56%) Hedge funds
6 30 (4.14%) Distributed Systems
7 28 (3.87%) Equities
8 22 (3.04%) Algorithms
9 20 (2.76%) Data Structures
10 16 (2.21%) Enterprise Software
11 11 (1.52%) Cloud Native
12 10 (1.38%) Mobile App
13 9 (1.24%) Data Protection Act
14 8 (1.10%) Linux Command Line
14 8 (1.10%) Public Cloud
15 7 (0.97%) Greenfield Project
15 7 (0.97%) Management Information System
15 7 (0.97%) Virtual Team
16 6 (0.83%) Market Risk
Operating Systems
1 87 (12.02%) Linux
2 64 (8.84%) Unix
3 23 (3.18%) Mac OS X
4 18 (2.49%) Windows
5 8 (1.10%) Android
6 2 (0.28%) Red Hat Enterprise Linux
Processes & Methodologies
1 491 (67.82%) Agile
2 296 (40.88%) DevOps
3 229 (31.63%) CI/CD
4 214 (29.56%) Software Engineering
5 207 (28.59%) BDD
6 204 (28.18%) Microservices
7 186 (25.69%) Continuous Integration
8 184 (25.41%) Test Automation
9 139 (19.20%) Pair Programming
10 133 (18.37%) Scrum
11 125 (17.27%) Unit Testing
12 124 (17.13%) Full Stack Development
13 116 (16.02%) Clean Code
14 94 (12.98%) OO
15 70 (9.67%) Kanban
16 68 (9.39%) API Management
17 67 (9.25%) Continuous Improvement
18 65 (8.98%) Software Testing
19 63 (8.70%) OOD
20 56 (7.73%) Continuous Deployment
Programming Languages
1 249 (34.39%) C#
2 234 (32.32%) Java
3 191 (26.38%) JavaScript
4 154 (21.27%) SQL
5 143 (19.75%) TypeScript
6 105 (14.50%) Python
7 59 (8.15%) C++
8 57 (7.87%) Scala
9 55 (7.60%) Bicep
10 46 (6.35%) C
11 42 (5.80%) PHP
12 22 (3.04%) Go
12 22 (3.04%) Kotlin
13 18 (2.49%) PowerShell
14 12 (1.66%) Shell Script
15 11 (1.52%) Groovy
16 6 (0.83%) Bash
16 6 (0.83%) Perl
17 5 (0.69%) Ruby
18 4 (0.55%) T-SQL
Qualifications
1 84 (11.60%) Security Cleared
2 72 (9.94%) SC Cleared
3 43 (5.94%) Degree
4 21 (2.90%) Computer Science Degree
5 11 (1.52%) Master's Degree
6 8 (1.10%) ISTQB
7 7 (0.97%) ISTQB Foundation Certification
8 5 (0.69%) DV Cleared
9 3 (0.41%) PMI Certification
9 3 (0.41%) PMP
10 2 (0.28%) Azure Certification
10 2 (0.28%) CTC Cleared
10 2 (0.28%) HNC
10 2 (0.28%) Microsoft Certification
10 2 (0.28%) Numerate Degree
11 1 (0.14%) BPSS Clearance
11 1 (0.14%) ISEB
11 1 (0.14%) SANS
Quality Assurance & Compliance
1 67 (9.25%) QA
2 49 (6.77%) Accessibility
3 20 (2.76%) WCAG
4 10 (1.38%) MiFID
5 5 (0.69%) Data Quality
6 3 (0.41%) PMO
7 2 (0.28%) HL7
7 2 (0.28%) PCI DSS
8 1 (0.14%) GDPR
8 1 (0.14%) ISO 20022
8 1 (0.14%) NIST
8 1 (0.14%) SLA
System Software
1 100 (13.81%) Docker
2 49 (6.77%) Active Directory
3 4 (0.55%) zsh
4 1 (0.14%) GridGain
4 1 (0.14%) Hyper-V
4 1 (0.14%) VMware NSX
Systems Management
1 126 (17.40%) Kubernetes
2 50 (6.91%) Terraform
3 28 (3.87%) Grafana
4 16 (2.21%) Ansible
5 15 (2.07%) Prometheus
6 10 (1.38%) Kibana
7 5 (0.69%) Puppet
8 4 (0.55%) Single Sign-On
9 3 (0.41%) Istio
9 3 (0.41%) logstash
9 3 (0.41%) Netcool
10 2 (0.28%) Progress Chef
11 1 (0.14%) Docker Swarm
Vendors
1 118 (16.30%) Microsoft
2 33 (4.56%) Oracle
3 18 (2.49%) Typelevel
4 17 (2.35%) Google
5 14 (1.93%) SAP
6 11 (1.52%) ION Trading
6 11 (1.52%) Salesforce
7 8 (1.10%) Databricks
7 8 (1.10%) Splunk
8 6 (0.83%) NEC
9 5 (0.69%) Adobe
9 5 (0.69%) AppDynamics
9 5 (0.69%) Atlassian
9 5 (0.69%) New Relic
9 5 (0.69%) Sitecore
10 4 (0.55%) CA Agile Central
10 4 (0.55%) Optimizely
10 4 (0.55%) TIBCO
11 2 (0.28%) Dell
11 2 (0.28%) Embarcadero