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 27 April 2024 with a comparison to the same period in the previous 2 years.

6 months to
27 Apr 2024
Same period 2023 Same period 2022
Rank 121 71 55
Rank change year-on-year -50 -16 -9
Contract jobs citing TDD 698 1,657 3,095
As % of all contract jobs advertised in England 1.89% 3.28% 4.35%
As % of the Processes & Methodologies category 2.18% 3.63% 4.79%
Number of daily rates quoted 460 1,226 2,329
10th Percentile £369 £450 £408
25th Percentile £463 £519 £475
Median daily rate (50th Percentile) £575 £625 £600
Median % change year-on-year -8.00% +4.17% +14.29%
75th Percentile £738 £738 £675
90th Percentile £838 £825 £750
UK median daily rate £550 £600 £575
% change year-on-year -8.33% +4.35% +9.52%
Number of hourly rates quoted 46 45 38
10th Percentile - £56.75 -
25th Percentile £61.25 £65.00 £35.00
Median hourly rate £65.00 £65.50 £65.00
Median % change year-on-year -0.76% +0.77% +1.56%
75th Percentile - £75.00 £74.69
90th Percentile - - £79.65
UK median hourly rate £65.00 £66.25 £65.50
% change year-on-year -1.89% +1.15% +31.00%

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 31,985 45,619 64,566
As % of all contract IT jobs advertised in England 86.53% 90.25% 90.78%
Number of daily rates quoted 20,974 32,022 45,804
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% +9.69%
75th Percentile £650 £675 £650
90th Percentile £750 £769 £749
UK median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% +8.25%
Number of hourly rates quoted 2,225 1,607 1,769
10th Percentile £12.86 £10.94 £12.50
25th Percentile £16.00 £16.31 £15.25
Median hourly rate £35.50 £37.50 £24.35
Median % change year-on-year -5.33% +54.00% +1.46%
75th Percentile £60.00 £65.00 £49.25
90th Percentile £72.50 £75.00 £63.15
UK median hourly rate £35.00 £37.34 £25.00
% change year-on-year -6.27% +49.36% -

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 27 April 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 27 April 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 27 April 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 -22 480 £620 -4.62% 204
North of England -74 58 £550 - 113
South East -22 57 £475 -19.90% 102
East of England +4 55 £493 -15.52% 50
Yorkshire -30 27 £593 -1.25% 17
North West -53 27 £525 -4.55% 88
South West -33 24 £580 +5.45% 35
Midlands -28 12 £435 -25.64% 37
West Midlands -15 11 £450 -24.37% 21
North East -5 4 £375 -37.50% 10
East Midlands 0 1 £398 -43.21% 16
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 21 (3.01%) Confluence
2 19 (2.72%) CMS
3 15 (2.15%) nginx
4 14 (2.01%) Apache
5 9 (1.29%) Apache Spark
5 9 (1.29%) Drupal
6 7 (1.00%) OpenStack
7 6 (0.86%) SharePoint
8 5 (0.72%) SAS
9 4 (0.57%) Apache Airflow
10 3 (0.43%) IIS
11 2 (0.29%) Anypoint
11 2 (0.29%) Apache Solr
11 2 (0.29%) EPiServer
11 2 (0.29%) Jadu
11 2 (0.29%) JBoss
11 2 (0.29%) Microsoft Exchange
11 2 (0.29%) NServiceBus
12 1 (0.14%) Cloud Foundry
12 1 (0.14%) Red Hat Fuse
Applications
1 7 (1.00%) Microsoft Office
2 3 (0.43%) Microsoft Project
3 2 (0.29%) Chatbot
4 1 (0.14%) Trello
Business Applications
1 6 (0.86%) NEC Housing
1 6 (0.86%) Shopify
2 5 (0.72%) Dynamics CRM
3 1 (0.14%) Aareon QL
3 1 (0.14%) Distributed Ledger
3 1 (0.14%) Endur
3 1 (0.14%) Magento
3 1 (0.14%) MIS ActiveH
3 1 (0.14%) NetSuite
3 1 (0.14%) OPENHousing
3 1 (0.14%) Payment Gateway
3 1 (0.14%) RMDS
Cloud Services
1 232 (33.24%) Azure
2 205 (29.37%) AWS
3 111 (15.90%) Azure DevOps
4 79 (11.32%) GCP
5 69 (9.89%) Azure Service Bus
6 61 (8.74%) Serverless
7 49 (7.02%) Azure Cosmos DB
8 40 (5.73%) Azure Monitor
8 40 (5.73%) GitHub
9 25 (3.58%) Azure Functions
10 24 (3.44%) Azure API Management
11 21 (3.01%) PaaS
11 21 (3.01%) Power Platform
12 18 (2.58%) Amazon EKS
12 18 (2.58%) Azure Key Vault
12 18 (2.58%) Azure Logic Apps
12 18 (2.58%) Azure Pipelines
12 18 (2.58%) Azure Storage
13 16 (2.29%) AWS Lambda
13 16 (2.29%) Azure Data Factory
Communications & Networking
1 36 (5.16%) Modbus
1 36 (5.16%) RS-422
1 36 (5.16%) RS-485
2 32 (4.58%) HTTP
3 11 (1.58%) FTP
3 11 (1.58%) TCP/IP
4 6 (0.86%) Ethernet
5 5 (0.72%) Internet
5 5 (0.72%) SSH
6 4 (0.57%) SSL
7 2 (0.29%) DNS
7 2 (0.29%) IP Telephony
7 2 (0.29%) Unified Communications
8 1 (0.14%) DHCP
8 1 (0.14%) Firewall
8 1 (0.14%) HTTPS
8 1 (0.14%) PuTTY
8 1 (0.14%) SNMP
8 1 (0.14%) VLAN
8 1 (0.14%) VPN
Database & Business Intelligence
1 120 (17.19%) SQL Server
2 64 (9.17%) NoSQL
3 49 (7.02%) Relational Database
4 45 (6.45%) MongoDB
5 41 (5.87%) PostgreSQL
6 34 (4.87%) Azure SQL Database
7 32 (4.58%) Apache Cassandra
8 22 (3.15%) MySQL
9 16 (2.29%) Data Lake
10 14 (2.01%) Data Warehouse
11 13 (1.86%) Power BI
12 10 (1.43%) DynamoDB
13 9 (1.29%) Redis
14 8 (1.15%) KDB
15 7 (1.00%) Big Data
15 7 (1.00%) OLTP
16 6 (0.86%) Flink
17 5 (0.72%) Oracle Reports
18 4 (0.57%) Microsoft Analysis Services
18 4 (0.57%) SQL Server Analysis Services
Development Applications
1 152 (21.78%) Git
2 85 (12.18%) Jenkins
3 62 (8.88%) JIRA
4 42 (6.02%) JUnit
5 38 (5.44%) Postman
5 38 (5.44%) Selenium
6 36 (5.16%) Cucumber
6 36 (5.16%) Mockito
7 31 (4.44%) TeamCity
8 30 (4.30%) Cypress.io
8 30 (4.30%) Visual Studio
9 22 (3.15%) SpecFlow
10 17 (2.44%) JMeter
11 14 (2.01%) SoapUI
11 14 (2.01%) WebDriver
12 13 (1.86%) GitLab
13 12 (1.72%) NUnit
14 11 (1.58%) Gradle
15 10 (1.43%) TestNG
16 9 (1.29%) Moq
General
1 163 (23.35%) Finance
2 146 (20.92%) Social Skills
3 72 (10.32%) Front Office
4 59 (8.45%) Banking
5 57 (8.17%) Public Sector
6 43 (6.16%) Electronics
7 41 (5.87%) Back Office
8 38 (5.44%) Analytical Skills
9 23 (3.30%) Investment Banking
10 19 (2.72%) Retail
11 17 (2.44%) Marketing
12 14 (2.01%) Presentation Skills
13 13 (1.86%) Inclusion and Diversity
14 10 (1.43%) Advertising
14 10 (1.43%) Manufacturing
15 9 (1.29%) Law
15 9 (1.29%) Telecoms
16 7 (1.00%) Military
16 7 (1.00%) Tech for Good
17 4 (0.57%) Influencing Skills
Job Titles
1 407 (58.31%) Developer
2 154 (22.06%) Senior
3 119 (17.05%) Software Engineer
4 98 (14.04%) Java Developer
4 98 (14.04%) Senior Developer
5 62 (8.88%) .NET Developer
6 59 (8.45%) Lead
7 49 (7.02%) Full Stack Developer
8 48 (6.88%) C# Developer
9 43 (6.16%) Scala Developer
10 35 (5.01%) Python Developer
11 34 (4.87%) Senior Java Developer
12 33 (4.73%) C++ Software Engineer
12 33 (4.73%) Front-End Developer (Client-Side Developer)
13 29 (4.15%) Developer/Software Engineer
13 29 (4.15%) Finance Manager
14 28 (4.01%) .NET Software Developer
14 28 (4.01%) .NET Software Engineer
15 26 (3.72%) Software Asset Manager
15 26 (3.72%) Software Manager
Libraries, Frameworks & Software Standards
1 194 (27.79%) .NET
2 138 (19.77%) React
3 106 (15.19%) .NET Core
4 102 (14.61%) Kafka
5 96 (13.75%) Spring
6 87 (12.46%) REST
7 85 (12.18%) CSS
8 72 (10.32%) Node.js
9 71 (10.17%) HTML
10 70 (10.03%) RESTful
11 66 (9.46%) Spring Boot
11 66 (9.46%) Web Services
12 64 (9.17%) Redux
13 63 (9.03%) AngularJS
14 45 (6.45%) ASP.NET
15 37 (5.30%) .NET Framework
16 33 (4.73%) Akka
16 33 (4.73%) GraphQL
17 32 (4.58%) Sass
18 27 (3.87%) SOAP
Miscellaneous
1 57 (8.17%) Derivative
2 53 (7.59%) Fixed Income
3 41 (5.87%) Foreign Exchange (FX)
4 40 (5.73%) Self-Motivation
5 38 (5.44%) Product Ownership
6 34 (4.87%) Hedge funds
7 29 (4.15%) Distributed Systems
7 29 (4.15%) Equities
8 19 (2.72%) Algorithms
9 18 (2.58%) Data Structures
10 14 (2.01%) Enterprise Software
11 11 (1.58%) Cloud Native
12 9 (1.29%) Data Protection Act
12 9 (1.29%) Mobile App
13 8 (1.15%) Linux Command Line
13 8 (1.15%) Public Cloud
14 7 (1.00%) Greenfield Project
14 7 (1.00%) Management Information System
15 6 (0.86%) Market Risk
15 6 (0.86%) Virtual Team
Operating Systems
1 80 (11.46%) Linux
2 64 (9.17%) Unix
3 23 (3.30%) Mac OS X
4 14 (2.01%) Windows
5 8 (1.15%) Android
6 2 (0.29%) Red Hat Enterprise Linux
Processes & Methodologies
1 474 (67.91%) Agile
2 292 (41.83%) DevOps
3 213 (30.52%) CI/CD
4 206 (29.51%) Software Engineering
5 202 (28.94%) Microservices
6 201 (28.80%) BDD
7 184 (26.36%) Continuous Integration
8 170 (24.36%) Test Automation
9 140 (20.06%) Pair Programming
10 129 (18.48%) Scrum
11 122 (17.48%) Full Stack Development
12 117 (16.76%) Unit Testing
13 112 (16.05%) Clean Code
14 89 (12.75%) OO
15 68 (9.74%) Continuous Improvement
16 67 (9.60%) API Management
17 65 (9.31%) Kanban
18 62 (8.88%) Software Testing
19 61 (8.74%) OOD
20 55 (7.88%) Continuous Deployment
Programming Languages
1 247 (35.39%) C#
2 215 (30.80%) Java
3 184 (26.36%) JavaScript
4 156 (22.35%) SQL
5 140 (20.06%) TypeScript
6 104 (14.90%) Python
7 56 (8.02%) Scala
8 55 (7.88%) C++
9 51 (7.31%) Bicep
10 46 (6.59%) C
11 40 (5.73%) PHP
12 21 (3.01%) Kotlin
13 20 (2.87%) Go
14 17 (2.44%) PowerShell
15 12 (1.72%) Shell Script
16 11 (1.58%) Groovy
17 7 (1.00%) Ruby
18 6 (0.86%) Bash
18 6 (0.86%) Perl
19 5 (0.72%) PL/SQL
Qualifications
1 83 (11.89%) Security Cleared
2 70 (10.03%) SC Cleared
3 40 (5.73%) Degree
4 18 (2.58%) Computer Science Degree
5 11 (1.58%) Master's Degree
6 8 (1.15%) ISTQB
7 7 (1.00%) ISTQB Foundation Certification
8 6 (0.86%) DV Cleared
9 3 (0.43%) PMI Certification
9 3 (0.43%) PMP
10 2 (0.29%) Azure Certification
10 2 (0.29%) CTC Cleared
10 2 (0.29%) HNC
10 2 (0.29%) Microsoft Certification
10 2 (0.29%) Numerate Degree
11 1 (0.14%) BPSS Clearance
11 1 (0.14%) ISEB
11 1 (0.14%) SANS
Quality Assurance & Compliance
1 66 (9.46%) QA
2 48 (6.88%) Accessibility
3 21 (3.01%) WCAG
4 10 (1.43%) MiFID
5 5 (0.72%) Data Quality
6 3 (0.43%) PMO
7 2 (0.29%) HL7
8 1 (0.14%) GDPR
8 1 (0.14%) ISO 20022
8 1 (0.14%) NIST
8 1 (0.14%) PCI DSS
8 1 (0.14%) SLA
System Software
1 97 (13.90%) Docker
2 48 (6.88%) Active Directory
3 4 (0.57%) zsh
4 1 (0.14%) GridGain
4 1 (0.14%) Hyper-V
4 1 (0.14%) VMware NSX
Systems Management
1 126 (18.05%) Kubernetes
2 49 (7.02%) Terraform
3 26 (3.72%) Grafana
4 15 (2.15%) Prometheus
5 14 (2.01%) Ansible
6 8 (1.15%) Kibana
7 5 (0.72%) Puppet
8 3 (0.43%) Istio
8 3 (0.43%) logstash
8 3 (0.43%) Netcool
9 2 (0.29%) Progress Chef
10 1 (0.14%) Docker Swarm
Vendors
1 115 (16.48%) Microsoft
2 33 (4.73%) Oracle
3 18 (2.58%) Typelevel
4 13 (1.86%) SAP
5 11 (1.58%) Google
6 10 (1.43%) Salesforce
7 8 (1.15%) Databricks
8 7 (1.00%) ION Trading
8 7 (1.00%) Splunk
9 6 (0.86%) NEC
10 5 (0.72%) Adobe
10 5 (0.72%) AppDynamics
10 5 (0.72%) Optimizely
10 5 (0.72%) Sitecore
11 4 (0.57%) Atlassian
11 4 (0.57%) New Relic
11 4 (0.57%) TIBCO
12 3 (0.43%) CA Agile Central
13 2 (0.29%) CyberArk
13 2 (0.29%) MuleSoft