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 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 111 74 55
Rank change year-on-year -37 -19 -8
Contract jobs citing TDD 730 1,550 3,055
As % of all contract jobs advertised in England 2.00% 3.22% 4.34%
As % of the Processes & Methodologies category 2.32% 3.58% 4.78%
Number of daily rates quoted 483 1,145 2,269
10th Percentile £363 £450 £408
25th Percentile £463 £513 £480
Median daily rate (50th Percentile) £565 £625 £600
Median % change year-on-year -9.60% +4.17% +11.63%
75th Percentile £725 £725 £681
90th Percentile £838 £813 £750
UK median daily rate £550 £600 £575
% change year-on-year -8.33% +4.35% +9.52%
Number of hourly rates quoted 50 42 54
10th Percentile - £56.63 £35.00
25th Percentile £61.25 £65.00 £45.31
Median hourly rate £65.00 £68.50 £70.00
Median % change year-on-year -5.11% -2.14% +7.69%
75th Percentile - £75.00 £76.91
90th Percentile - - £78.38
UK median hourly rate £65.00 £70.00 £68.17
% change year-on-year -7.14% +2.69% +17.53%

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 31,491 43,355 63,906
As % of all contract IT jobs advertised in England 86.40% 90.10% 90.87%
Number of daily rates quoted 20,622 30,435 45,445
10th Percentile £300 £325 £331
25th Percentile £413 £450 £430
Median daily rate (50th Percentile) £525 £550 £540
Median % change year-on-year -4.55% +1.85% +8.00%
75th Percentile £650 £675 £650
90th Percentile £750 £765 £750
UK median daily rate £525 £550 £530
% change year-on-year -4.55% +3.77% +8.16%
Number of hourly rates quoted 2,249 1,535 1,743
10th Percentile £12.92 £10.63 £12.50
25th Percentile £15.95 £16.13 £15.25
Median hourly rate £36.50 £36.25 £25.00
Median % change year-on-year +0.69% +45.00% +7.94%
75th Percentile £60.00 £65.00 £49.25
90th Percentile £72.50 £75.00 £65.00
UK median hourly rate £36.05 £35.65 £25.68
% change year-on-year +1.11% +38.82% +5.90%

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 17 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 17 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 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
London -18 497 £600 -7.69% 269
North of England -75 61 £550 -1.12% 114
East of England +3 59 £493 -12.83% 31
South East -23 56 £475 -17.39% 106
Yorkshire -30 36 £575 -4.17% 24
South West -35 30 £585 +8.84% 40
North West -61 21 £525 -4.55% 82
Midlands -15 11 £450 -23.08% 50
West Midlands -14 10 £450 -24.37% 32
North East -3 4 £375 -28.57% 9
East Midlands -5 1 £398 -43.21% 18
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 (3.29%) Confluence
2 19 (2.60%) CMS
3 17 (2.33%) nginx
4 15 (2.05%) Apache
5 9 (1.23%) Apache Spark
5 9 (1.23%) Drupal
6 7 (0.96%) SAS
7 5 (0.68%) Apache Airflow
7 5 (0.68%) SharePoint
8 4 (0.55%) OpenStack
9 3 (0.41%) IIS
9 3 (0.41%) JBoss
10 2 (0.27%) Anypoint
10 2 (0.27%) Apache Solr
10 2 (0.27%) Jadu
10 2 (0.27%) Microsoft Exchange
10 2 (0.27%) NServiceBus
11 1 (0.14%) Appian
11 1 (0.14%) GemFire
11 1 (0.14%) Red Hat Fuse
Applications
1 5 (0.68%) Microsoft Office
2 3 (0.41%) Microsoft Project
3 2 (0.27%) Trello
Business Applications
1 6 (0.82%) Dynamics CRM
1 6 (0.82%) NEC Housing
1 6 (0.82%) Shopify
2 3 (0.41%) RMDS
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
Cloud Services
1 235 (32.19%) Azure
2 210 (28.77%) AWS
3 113 (15.48%) Azure DevOps
4 87 (11.92%) GCP
5 76 (10.41%) Azure Service Bus
6 56 (7.67%) Serverless
7 55 (7.53%) Azure Cosmos DB
8 44 (6.03%) GitHub
9 43 (5.89%) Azure Monitor
10 24 (3.29%) Azure API Management
11 23 (3.15%) Azure Functions
12 21 (2.88%) PaaS
12 21 (2.88%) Power Platform
13 18 (2.47%) Azure Key Vault
13 18 (2.47%) Azure Logic Apps
13 18 (2.47%) Azure Pipelines
13 18 (2.47%) Azure Storage
14 17 (2.33%) AWS Elastic Beanstalk
14 17 (2.33%) AWS Lambda
15 16 (2.19%) Entra ID
Communications & Networking
1 36 (4.93%) HTTP
2 35 (4.79%) Modbus
2 35 (4.79%) RS-422
2 35 (4.79%) RS-485
3 17 (2.33%) TCP/IP
4 11 (1.51%) Ethernet
5 9 (1.23%) FTP
6 7 (0.96%) SSH
7 5 (0.68%) Internet
8 4 (0.55%) SSL
9 2 (0.27%) DNS
9 2 (0.27%) IP Telephony
9 2 (0.27%) Unified Communications
10 1 (0.14%) DHCP
10 1 (0.14%) Firewall
10 1 (0.14%) HTTPS
10 1 (0.14%) PuTTY
10 1 (0.14%) SNMP
10 1 (0.14%) VLAN
10 1 (0.14%) VPN
Database & Business Intelligence
1 116 (15.89%) SQL Server
2 68 (9.32%) NoSQL
3 45 (6.16%) MongoDB
3 45 (6.16%) Relational Database
4 43 (5.89%) PostgreSQL
5 36 (4.93%) Apache Cassandra
6 35 (4.79%) Azure SQL Database
7 22 (3.01%) MySQL
8 13 (1.78%) Data Lake
8 13 (1.78%) Data Warehouse
8 13 (1.78%) Power BI
9 12 (1.64%) KDB
10 11 (1.51%) Redis
11 10 (1.37%) DynamoDB
12 7 (0.96%) Big Data
12 7 (0.96%) OLTP
13 6 (0.82%) Flink
14 5 (0.68%) Amazon RDS
14 5 (0.68%) Couchbase
15 4 (0.55%) Oracle Database
Development Applications
1 157 (21.51%) Git
2 83 (11.37%) Jenkins
3 67 (9.18%) JIRA
4 49 (6.71%) JUnit
5 42 (5.75%) Postman
6 38 (5.21%) Cucumber
7 36 (4.93%) Mockito
7 36 (4.93%) Selenium
8 35 (4.79%) Visual Studio
9 30 (4.11%) Cypress.io
10 26 (3.56%) TeamCity
11 22 (3.01%) SpecFlow
12 19 (2.60%) JMeter
13 15 (2.05%) NUnit
14 14 (1.92%) Maven
14 14 (1.92%) WebDriver
15 13 (1.78%) SoapUI
16 12 (1.64%) Eclipse
16 12 (1.64%) GitLab
16 12 (1.64%) Gradle
General
1 179 (24.52%) Finance
2 153 (20.96%) Social Skills
3 69 (9.45%) Front Office
4 64 (8.77%) Banking
5 53 (7.26%) Public Sector
6 42 (5.75%) Back Office
7 40 (5.48%) Electronics
8 35 (4.79%) Analytical Skills
9 24 (3.29%) Investment Banking
10 21 (2.88%) Retail
11 19 (2.60%) Presentation Skills
12 15 (2.05%) Marketing
13 12 (1.64%) Inclusion and Diversity
13 12 (1.64%) Military
14 9 (1.23%) Advertising
15 8 (1.10%) Manufacturing
15 8 (1.10%) Tech for Good
16 7 (0.96%) Law
16 7 (0.96%) Telecoms
17 4 (0.55%) Automotive
Job Titles
1 419 (57.40%) Developer
2 160 (21.92%) Senior
3 126 (17.26%) Software Engineer
4 118 (16.16%) Java Developer
5 101 (13.84%) Senior Developer
6 66 (9.04%) Lead
7 53 (7.26%) Full Stack Developer
8 52 (7.12%) .NET Developer
9 44 (6.03%) Scala Developer
10 43 (5.89%) C# Developer
11 38 (5.21%) Senior Java Developer
12 37 (5.07%) C++ Software Engineer
12 37 (5.07%) Python Developer
13 29 (3.97%) Front-End Developer (Client-Side Developer)
14 26 (3.56%) Developer/Software Engineer
14 26 (3.56%) Finance Manager
15 25 (3.42%) .NET Software Developer
16 24 (3.29%) .NET Software Engineer
16 24 (3.29%) Lead Developer
17 23 (3.15%) Test Engineer
Libraries, Frameworks & Software Standards
1 194 (26.58%) .NET
2 137 (18.77%) React
3 115 (15.75%) Spring
4 105 (14.38%) .NET Core
5 101 (13.84%) Kafka
6 94 (12.88%) REST
7 88 (12.05%) CSS
8 86 (11.78%) HTML
9 77 (10.55%) RESTful
10 76 (10.41%) Spring Boot
11 73 (10.00%) Node.js
11 73 (10.00%) Web Services
12 61 (8.36%) AngularJS
13 55 (7.53%) Redux
14 42 (5.75%) ASP.NET
15 37 (5.07%) Akka
16 34 (4.66%) GraphQL
17 33 (4.52%) .NET Framework
17 33 (4.52%) Sass
18 32 (4.38%) XML
Miscellaneous
1 58 (7.95%) Derivative
2 52 (7.12%) Fixed Income
3 46 (6.30%) Product Ownership
4 40 (5.48%) Self-Motivation
5 38 (5.21%) Foreign Exchange (FX)
6 31 (4.25%) Hedge funds
7 28 (3.84%) Distributed Systems
8 26 (3.56%) Equities
9 24 (3.29%) Algorithms
10 18 (2.47%) Data Structures
10 18 (2.47%) Enterprise Software
11 14 (1.92%) Mobile App
12 13 (1.78%) Data Protection Act
13 11 (1.51%) Cloud Native
14 10 (1.37%) Linux Command Line
15 8 (1.10%) Public Cloud
16 7 (0.96%) Greenfield Project
16 7 (0.96%) Management Information System
16 7 (0.96%) Virtual Team
17 6 (0.82%) Market Risk
Operating Systems
1 94 (12.88%) Linux
2 72 (9.86%) Unix
3 23 (3.15%) Mac OS X
4 22 (3.01%) Windows
5 11 (1.51%) Android
6 4 (0.55%) Apple iOS
7 2 (0.27%) Red Hat Enterprise Linux
Processes & Methodologies
1 493 (67.53%) Agile
2 298 (40.82%) DevOps
3 235 (32.19%) CI/CD
4 218 (29.86%) Software Engineering
5 209 (28.63%) BDD
6 205 (28.08%) Microservices
7 194 (26.58%) Test Automation
8 187 (25.62%) Continuous Integration
9 141 (19.32%) Pair Programming
10 131 (17.95%) Scrum
11 128 (17.53%) Unit Testing
12 121 (16.58%) Full Stack Development
13 115 (15.75%) Clean Code
14 96 (13.15%) OO
15 70 (9.59%) API Management
15 70 (9.59%) Kanban
16 67 (9.18%) Software Testing
17 64 (8.77%) OOD
18 62 (8.49%) Continuous Improvement
19 59 (8.08%) Continuous Deployment
Programming Languages
1 244 (33.42%) C#
2 242 (33.15%) Java
3 190 (26.03%) JavaScript
4 160 (21.92%) SQL
5 140 (19.18%) TypeScript
6 105 (14.38%) Python
7 61 (8.36%) C++
8 59 (8.08%) Scala
9 57 (7.81%) Bicep
10 47 (6.44%) C
10 47 (6.44%) PHP
11 24 (3.29%) Go
12 22 (3.01%) Kotlin
13 18 (2.47%) PowerShell
14 14 (1.92%) Shell Script
15 11 (1.51%) Groovy
16 6 (0.82%) Bash
16 6 (0.82%) Perl
17 4 (0.55%) Ruby
17 4 (0.55%) T-SQL
Qualifications
1 79 (10.82%) Security Cleared
2 68 (9.32%) SC Cleared
3 47 (6.44%) Degree
4 24 (3.29%) Computer Science Degree
5 13 (1.78%) Master's Degree
6 9 (1.23%) ISTQB
7 8 (1.10%) ISTQB Foundation Certification
8 5 (0.68%) DV Cleared
9 3 (0.41%) HNC
9 3 (0.41%) PMI Certification
9 3 (0.41%) PMP
10 2 (0.27%) Azure Certification
10 2 (0.27%) CTC Cleared
10 2 (0.27%) Microsoft Certification
10 2 (0.27%) Numerate Degree
11 1 (0.14%) BPSS Clearance
11 1 (0.14%) ISEB
11 1 (0.14%) SANS
Quality Assurance & Compliance
1 69 (9.45%) QA
2 49 (6.71%) Accessibility
3 22 (3.01%) WCAG
4 10 (1.37%) MiFID
5 5 (0.68%) Data Quality
6 3 (0.41%) PMO
7 2 (0.27%) HL7
7 2 (0.27%) 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 98 (13.42%) Docker
2 51 (6.99%) 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
1 123 (16.85%) Kubernetes
2 48 (6.58%) Terraform
3 27 (3.70%) Grafana
4 14 (1.92%) Prometheus
5 13 (1.78%) Ansible
6 10 (1.37%) Kibana
7 6 (0.82%) Puppet
8 5 (0.68%) Single Sign-On
9 3 (0.41%) Istio
9 3 (0.41%) logstash
9 3 (0.41%) Netcool
9 3 (0.41%) Progress Chef
10 1 (0.14%) Docker Swarm
10 1 (0.14%) HAProxy
10 1 (0.14%) Salt
Vendors
1 123 (16.85%) Microsoft
2 32 (4.38%) Oracle
3 20 (2.74%) Typelevel
4 16 (2.19%) Google
5 13 (1.78%) ION Trading
6 12 (1.64%) Salesforce
6 12 (1.64%) SAP
7 8 (1.10%) Splunk
8 7 (0.96%) Databricks
9 6 (0.82%) NEC
10 5 (0.68%) Adobe
10 5 (0.68%) AppDynamics
10 5 (0.68%) Atlassian
10 5 (0.68%) Sitecore
10 5 (0.68%) TIBCO
11 4 (0.55%) CA Agile Central
11 4 (0.55%) New Relic
11 4 (0.55%) Optimizely
12 3 (0.41%) CyberArk
12 3 (0.41%) Solace