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 1 June 2024 with a comparison to the same period in the previous 2 years.

6 months to
1 Jun 2024
Same period 2023 Same period 2022
Rank 109 75 55
Rank change year-on-year -34 -20 -10
Contract jobs citing TDD 745 1,461 2,993
As % of all contract jobs advertised in England 2.02% 3.08% 4.25%
As % of the Processes & Methodologies category 2.36% 3.42% 4.67%
Number of daily rates quoted 491 1,092 2,219
10th Percentile £363 £450 £408
25th Percentile £456 £513 £484
Median daily rate (50th Percentile) £550 £625 £600
Median % change year-on-year -12.00% +4.17% +9.09%
75th Percentile £700 £738 £688
90th Percentile £825 £813 £763
UK median daily rate £550 £610 £575
% change year-on-year -9.84% +6.09% +9.52%
Number of hourly rates quoted 50 36 54
10th Percentile - £60.63 £35.00
25th Percentile £61.25 £65.00 £45.31
Median hourly rate £65.00 £70.00 £67.76
Median % change year-on-year -7.14% +3.30% +5.88%
75th Percentile - £75.00 £76.64
90th Percentile - - £77.50
UK median hourly rate £65.00 £70.00 £67.36
% change year-on-year -7.14% +3.92% +6.92%

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 31,623 42,710 64,053
As % of all contract IT jobs advertised in England 85.71% 89.97% 90.85%
Number of daily rates quoted 20,632 29,989 45,672
10th Percentile £300 £325 £338
25th Percentile £413 £445 £431
Median daily rate (50th Percentile) £525 £550 £545
Median % change year-on-year -4.55% +0.92% +9.00%
75th Percentile £650 £675 £650
90th Percentile £750 £768 £750
UK median daily rate £525 £550 £538
% change year-on-year -4.55% +2.33% +7.50%
Number of hourly rates quoted 2,323 1,520 1,714
10th Percentile £12.86 £10.63 £12.50
25th Percentile £16.00 £15.74 £15.25
Median hourly rate £37.50 £37.32 £25.00
Median % change year-on-year +0.48% +49.28% +11.11%
75th Percentile £61.30 £65.00 £49.48
90th Percentile £72.50 £75.05 £65.00
UK median hourly rate £36.50 £36.25 £25.68
% change year-on-year +0.69% +41.16% +9.74%

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 1 June 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 1 June 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 1 June 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 -14 503 £600 -7.69% 228
North of England -60 69 £550 -4.35% 115
East of England +2 62 £500 -14.24% 20
South East -28 52 £413 -28.57% 63
Yorkshire -20 40 £550 -8.33% 15
South West -18 29 £585 +11.43% 40
North West -52 24 £525 -4.55% 94
Midlands -15 12 £450 -24.37% 44
West Midlands -17 11 £450 -24.37% 29
North East -2 5 £375 -25.00% 6
East Midlands -5 1 £398 -43.21% 15
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 24 (3.22%) Confluence
2 19 (2.55%) CMS
3 15 (2.01%) Apache
4 9 (1.21%) Apache Spark
4 9 (1.21%) Drupal
4 9 (1.21%) nginx
5 7 (0.94%) SAS
6 5 (0.67%) Apache Airflow
6 5 (0.67%) SharePoint
7 4 (0.54%) Appian
7 4 (0.54%) OpenStack
8 3 (0.40%) IIS
8 3 (0.40%) JBoss
9 2 (0.27%) Anypoint
9 2 (0.27%) Apache Solr
9 2 (0.27%) Jadu
9 2 (0.27%) Microsoft Exchange
9 2 (0.27%) NServiceBus
10 1 (0.13%) Cloud Foundry
10 1 (0.13%) Red Hat Fuse
Applications
1 4 (0.54%) Microsoft Office
2 3 (0.40%) Microsoft Project
2 3 (0.40%) Trello
3 1 (0.13%) Microsoft Excel
Business Applications
1 6 (0.81%) Dynamics CRM
1 6 (0.81%) NEC Housing
1 6 (0.81%) Shopify
2 3 (0.40%) RMDS
3 1 (0.13%) Aareon QL
3 1 (0.13%) Distributed Ledger
3 1 (0.13%) Endur
3 1 (0.13%) IBM Planning Analytics
3 1 (0.13%) Magento
3 1 (0.13%) MIS ActiveH
3 1 (0.13%) NetSuite
3 1 (0.13%) OPENHousing
Cloud Services
1 238 (31.95%) Azure
2 211 (28.32%) AWS
3 109 (14.63%) Azure DevOps
4 94 (12.62%) GCP
5 77 (10.34%) Azure Service Bus
6 58 (7.79%) Serverless
7 56 (7.52%) Azure Cosmos DB
8 48 (6.44%) GitHub
9 41 (5.50%) Azure Monitor
10 23 (3.09%) Azure API Management
11 22 (2.95%) Azure Functions
12 20 (2.68%) PaaS
12 20 (2.68%) Power Platform
13 19 (2.55%) AWS Lambda
14 18 (2.42%) Azure Key Vault
14 18 (2.42%) Azure Pipelines
14 18 (2.42%) Azure Storage
15 17 (2.28%) Azure Data Factory
15 17 (2.28%) Azure Logic Apps
16 16 (2.15%) Entra ID
Communications & Networking
1 40 (5.37%) HTTP
2 34 (4.56%) Modbus
2 34 (4.56%) RS-422
2 34 (4.56%) RS-485
3 18 (2.42%) TCP/IP
4 11 (1.48%) Ethernet
5 9 (1.21%) FTP
5 9 (1.21%) SSH
6 5 (0.67%) Internet
7 4 (0.54%) SSL
8 2 (0.27%) DNS
8 2 (0.27%) Firewall
8 2 (0.27%) Unified Communications
9 1 (0.13%) DHCP
9 1 (0.13%) HTTPS
9 1 (0.13%) PuTTY
9 1 (0.13%) SNMP
9 1 (0.13%) VLAN
9 1 (0.13%) VPN
Database & Business Intelligence
1 117 (15.70%) SQL Server
2 73 (9.80%) NoSQL
3 47 (6.31%) MongoDB
4 45 (6.04%) PostgreSQL
5 44 (5.91%) Relational Database
6 40 (5.37%) Apache Cassandra
7 36 (4.83%) Azure SQL Database
8 24 (3.22%) MySQL
9 12 (1.61%) Data Lake
9 12 (1.61%) Data Warehouse
9 12 (1.61%) KDB
9 12 (1.61%) Power BI
9 12 (1.61%) Redis
10 8 (1.07%) Big Data
10 8 (1.07%) DynamoDB
11 7 (0.94%) OLTP
12 6 (0.81%) Flink
13 5 (0.67%) Amazon RDS
13 5 (0.67%) Couchbase
14 4 (0.54%) Oracle Database
Development Applications
1 161 (21.61%) Git
2 82 (11.01%) Jenkins
3 69 (9.26%) JIRA
4 55 (7.38%) JUnit
5 41 (5.50%) Postman
6 40 (5.37%) Cucumber
7 38 (5.10%) Mockito
8 36 (4.83%) Selenium
8 36 (4.83%) Visual Studio
9 29 (3.89%) Cypress.io
10 24 (3.22%) SpecFlow
11 23 (3.09%) TeamCity
12 19 (2.55%) JMeter
13 16 (2.15%) Maven
14 14 (1.88%) Gradle
14 14 (1.88%) NUnit
14 14 (1.88%) WebDriver
15 13 (1.74%) GitLab
15 13 (1.74%) SoapUI
16 12 (1.61%) Eclipse
General
1 184 (24.70%) Finance
2 158 (21.21%) Social Skills
3 68 (9.13%) Front Office
4 66 (8.86%) Banking
5 53 (7.11%) Public Sector
6 41 (5.50%) Back Office
7 39 (5.23%) Electronics
8 37 (4.97%) Analytical Skills
9 25 (3.36%) Investment Banking
10 21 (2.82%) Retail
11 20 (2.68%) Presentation Skills
12 12 (1.61%) Inclusion and Diversity
12 12 (1.61%) Marketing
12 12 (1.61%) Military
13 9 (1.21%) Manufacturing
14 8 (1.07%) Tech for Good
15 7 (0.94%) Advertising
15 7 (0.94%) Telecoms
16 6 (0.81%) Law
17 5 (0.67%) Automotive
Job Titles
1 439 (58.93%) Developer
2 169 (22.68%) Senior
3 129 (17.32%) Java Developer
4 126 (16.91%) Software Engineer
5 111 (14.90%) Senior Developer
6 63 (8.46%) Lead
7 52 (6.98%) .NET Developer
8 47 (6.31%) Full Stack Developer
8 47 (6.31%) Scala Developer
9 42 (5.64%) C# Developer
9 42 (5.64%) Senior Java Developer
10 37 (4.97%) Python Developer
11 36 (4.83%) C++ Software Engineer
12 26 (3.49%) Front-End Developer (Client-Side Developer)
13 25 (3.36%) Lead Developer
13 25 (3.36%) Test Engineer
14 24 (3.22%) Developer/Software Engineer
14 24 (3.22%) Finance Manager
14 24 (3.22%) React Developer
14 24 (3.22%) Software Developer
Libraries, Frameworks & Software Standards
1 193 (25.91%) .NET
2 136 (18.26%) React
3 120 (16.11%) Spring
4 108 (14.50%) Kafka
5 102 (13.69%) .NET Core
6 101 (13.56%) REST
7 91 (12.21%) RESTful
8 80 (10.74%) HTML
9 79 (10.60%) CSS
9 79 (10.60%) Spring Boot
9 79 (10.60%) Web Services
10 74 (9.93%) Node.js
11 62 (8.32%) AngularJS
12 48 (6.44%) Redux
13 41 (5.50%) Akka
13 41 (5.50%) ASP.NET
14 35 (4.70%) XML
15 33 (4.43%) GraphQL
16 32 (4.30%) .NET Framework
16 32 (4.30%) SOAP
Miscellaneous
1 59 (7.92%) Derivative
2 52 (6.98%) Fixed Income
3 46 (6.17%) Product Ownership
4 40 (5.37%) Self-Motivation
5 34 (4.56%) Foreign Exchange (FX)
6 29 (3.89%) Hedge funds
7 26 (3.49%) Distributed Systems
8 24 (3.22%) Algorithms
8 24 (3.22%) Equities
9 20 (2.68%) Enterprise Software
10 19 (2.55%) Data Structures
11 16 (2.15%) Data Protection Act
12 15 (2.01%) Mobile App
13 12 (1.61%) Cloud Native
13 12 (1.61%) Linux Command Line
14 8 (1.07%) Public Cloud
15 7 (0.94%) Management Information System
15 7 (0.94%) Virtual Team
16 6 (0.81%) Greenfield Project
17 5 (0.67%) Market Risk
Operating Systems
1 91 (12.21%) Linux
2 73 (9.80%) Unix
3 24 (3.22%) Mac OS X
4 21 (2.82%) Windows
5 12 (1.61%) Android
6 8 (1.07%) Apple iOS
7 2 (0.27%) Red Hat Enterprise Linux
Processes & Methodologies
1 501 (67.25%) Agile
2 299 (40.13%) DevOps
3 235 (31.54%) CI/CD
4 221 (29.66%) Software Engineering
5 214 (28.72%) Microservices
6 212 (28.46%) BDD
7 191 (25.64%) Test Automation
8 189 (25.37%) Continuous Integration
9 149 (20.00%) Pair Programming
10 133 (17.85%) Scrum
11 127 (17.05%) Unit Testing
12 113 (15.17%) Clean Code
13 109 (14.63%) Full Stack Development
14 95 (12.75%) OO
15 71 (9.53%) Software Testing
16 70 (9.40%) Kanban
17 67 (8.99%) API Management
18 62 (8.32%) OOD
19 60 (8.05%) Continuous Deployment
19 60 (8.05%) Continuous Improvement
Programming Languages
1 252 (33.83%) Java
2 237 (31.81%) C#
3 186 (24.97%) JavaScript
4 160 (21.48%) SQL
5 136 (18.26%) TypeScript
6 106 (14.23%) Python
7 64 (8.59%) Scala
8 61 (8.19%) C++
9 55 (7.38%) Bicep
10 47 (6.31%) C
11 39 (5.23%) PHP
12 27 (3.62%) PowerShell
13 26 (3.49%) Go
14 21 (2.82%) Kotlin
15 18 (2.42%) Shell Script
16 11 (1.48%) Groovy
17 7 (0.94%) Perl
17 7 (0.94%) Ruby
18 6 (0.81%) Bash
18 6 (0.81%) BeanShell
Qualifications
1 75 (10.07%) Security Cleared
2 66 (8.86%) SC Cleared
3 54 (7.25%) Degree
4 26 (3.49%) Computer Science Degree
5 16 (2.15%) Master's Degree
6 9 (1.21%) ISTQB
6 9 (1.21%) ISTQB Foundation Certification
7 4 (0.54%) HNC
8 3 (0.40%) DV Cleared
8 3 (0.40%) PMI Certification
8 3 (0.40%) PMP
9 2 (0.27%) Azure Certification
9 2 (0.27%) BPSS Clearance
9 2 (0.27%) Microsoft Certification
9 2 (0.27%) Numerate Degree
9 2 (0.27%) OCP
9 2 (0.27%) Oracle Certification
10 1 (0.13%) SANS
Quality Assurance & Compliance
1 70 (9.40%) QA
2 44 (5.91%) Accessibility
3 22 (2.95%) WCAG
4 9 (1.21%) MiFID
5 5 (0.67%) Data Quality
6 3 (0.40%) PMO
7 2 (0.27%) HL7
7 2 (0.27%) PCI DSS
8 1 (0.13%) GDPR
8 1 (0.13%) ISO 20022
8 1 (0.13%) NIST
8 1 (0.13%) SLA
System Software
1 97 (13.02%) Docker
2 49 (6.58%) Active Directory
3 4 (0.54%) zsh
4 1 (0.13%) GridGain
4 1 (0.13%) Hyper-V
4 1 (0.13%) Virtual Servers
Systems Management
1 131 (17.58%) Kubernetes
2 49 (6.58%) Terraform
3 29 (3.89%) Grafana
4 16 (2.15%) Ansible
4 16 (2.15%) Prometheus
5 9 (1.21%) Kibana
6 6 (0.81%) Puppet
7 5 (0.67%) Single Sign-On
8 3 (0.40%) logstash
8 3 (0.40%) Netcool
8 3 (0.40%) Progress Chef
9 2 (0.27%) Istio
10 1 (0.13%) Docker Swarm
10 1 (0.13%) HAProxy
10 1 (0.13%) Microsoft Intune
10 1 (0.13%) Salt
Vendors
1 130 (17.45%) Microsoft
2 31 (4.16%) Oracle
3 21 (2.82%) Typelevel
4 18 (2.42%) Google
5 13 (1.74%) ION Trading
6 12 (1.61%) Salesforce
6 12 (1.61%) SAP
7 8 (1.07%) Splunk
8 6 (0.81%) Databricks
8 6 (0.81%) NEC
9 5 (0.67%) Adobe
9 5 (0.67%) AppDynamics
9 5 (0.67%) Atlassian
9 5 (0.67%) IBM
9 5 (0.67%) New Relic
9 5 (0.67%) Sitecore
9 5 (0.67%) TIBCO
10 4 (0.54%) Informatica
10 4 (0.54%) OpenText
10 4 (0.54%) Pega