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 4 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
4 May 2024
Same period 2023 Same period 2022
Rank 118 71 55
Rank change year-on-year -47 -16 -9
Contract jobs citing TDD 717 1,637 3,084
As % of all contract jobs advertised in England 1.94% 3.27% 4.34%
As % of the Processes & Methodologies category 2.25% 3.63% 4.78%
Number of daily rates quoted 476 1,210 2,304
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% +14.29%
75th Percentile £725 £738 £675
90th Percentile £838 £819 £750
UK median daily rate £550 £606 £575
% change year-on-year -9.17% +5.30% +9.52%
Number of hourly rates quoted 48 44 43
10th Percentile - £57.38 -
25th Percentile £61.25 £65.00 £35.00
Median hourly rate £65.00 £66.25 £65.50
Median % change year-on-year -1.89% +1.15% +2.34%
75th Percentile - £75.00 £76.82
90th Percentile - - £78.75
UK median hourly rate £65.00 £67.00 £65.54
% change year-on-year -2.99% +2.23% +31.08%

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 31,926 45,112 64,564
As % of all contract IT jobs advertised in England 86.59% 90.20% 90.79%
Number of daily rates quoted 20,947 31,664 45,849
10th Percentile £300 £325 £331
25th Percentile £413 £444 £425
Median daily rate (50th Percentile) £525 £550 £538
Median % change year-on-year -4.55% +2.33% +8.59%
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 2,243 1,598 1,761
10th Percentile £12.92 £11.00 £12.50
25th Percentile £16.00 £16.25 £15.25
Median hourly rate £36.33 £37.15 £24.35
Median % change year-on-year -2.21% +52.57% +3.62%
75th Percentile £60.00 £65.00 £49.25
90th Percentile £72.50 £75.00 £63.75
UK median hourly rate £35.95 £36.00 £25.00
% change year-on-year -0.14% +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 4 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 4 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 4 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 -20 486 £600 -7.69% 205
North of England -72 63 £550 -2.22% 104
South East -22 59 £475 -18.10% 78
East of England -1 58 £493 -15.52% 41
Yorkshire -34 31 £580 -3.33% 17
North West -49 28 £525 -4.55% 77
South West -25 26 £585 +6.36% 29
Midlands -24 12 £435 -24.35% 39
West Midlands -22 11 £450 -24.37% 21
North East -1 4 £375 -34.78% 11
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 (3.35%) Confluence
2 19 (2.65%) CMS
3 16 (2.23%) nginx
4 14 (1.95%) Apache
5 9 (1.26%) Apache Spark
5 9 (1.26%) Drupal
6 7 (0.98%) OpenStack
7 6 (0.84%) SAS
8 5 (0.70%) SharePoint
9 4 (0.56%) Apache Airflow
10 3 (0.42%) IIS
10 3 (0.42%) JBoss
11 2 (0.28%) Anypoint
11 2 (0.28%) Apache Solr
11 2 (0.28%) Jadu
11 2 (0.28%) Microsoft Exchange
11 2 (0.28%) NServiceBus
12 1 (0.14%) Appian
12 1 (0.14%) Cloud Foundry
12 1 (0.14%) Red Hat Fuse
Applications
1 6 (0.84%) Microsoft Office
2 3 (0.42%) Microsoft Project
3 1 (0.14%) Chatbot
3 1 (0.14%) Trello
Business Applications
1 6 (0.84%) NEC Housing
1 6 (0.84%) Shopify
2 5 (0.70%) 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
1 233 (32.50%) Azure
2 207 (28.87%) AWS
3 111 (15.48%) Azure DevOps
4 86 (11.99%) GCP
5 70 (9.76%) Azure Service Bus
6 60 (8.37%) Serverless
7 51 (7.11%) Azure Cosmos DB
8 43 (6.00%) GitHub
9 40 (5.58%) Azure Monitor
10 25 (3.49%) Azure Functions
11 23 (3.21%) Azure API Management
12 21 (2.93%) Power Platform
13 20 (2.79%) PaaS
14 18 (2.51%) Amazon EKS
14 18 (2.51%) Azure Logic Apps
14 18 (2.51%) Azure Pipelines
15 17 (2.37%) Azure Key Vault
15 17 (2.37%) Azure Storage
16 16 (2.23%) AWS Lambda
16 16 (2.23%) Azure Data Factory
Communications & Networking
1 36 (5.02%) Modbus
1 36 (5.02%) RS-422
1 36 (5.02%) RS-485
2 32 (4.46%) HTTP
3 13 (1.81%) TCP/IP
4 11 (1.53%) FTP
5 8 (1.12%) Ethernet
6 5 (0.70%) Internet
6 5 (0.70%) SSH
7 4 (0.56%) 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
1 119 (16.60%) SQL Server
2 65 (9.07%) NoSQL
3 47 (6.56%) Relational Database
4 45 (6.28%) MongoDB
4 45 (6.28%) PostgreSQL
5 34 (4.74%) Azure SQL Database
6 33 (4.60%) Apache Cassandra
7 22 (3.07%) MySQL
8 16 (2.23%) Data Lake
9 14 (1.95%) Data Warehouse
10 13 (1.81%) Power BI
11 10 (1.39%) DynamoDB
11 10 (1.39%) Redis
12 9 (1.26%) KDB
13 7 (0.98%) Big Data
13 7 (0.98%) OLTP
14 6 (0.84%) Flink
15 4 (0.56%) Amazon RDS
15 4 (0.56%) Couchbase
15 4 (0.56%) Enterprise Data Warehouse
Development Applications
1 155 (21.62%) Git
2 87 (12.13%) Jenkins
3 66 (9.21%) JIRA
4 46 (6.42%) JUnit
5 39 (5.44%) Postman
6 37 (5.16%) Cucumber
6 37 (5.16%) Mockito
7 36 (5.02%) Selenium
8 31 (4.32%) Cypress.io
8 31 (4.32%) Visual Studio
9 29 (4.04%) TeamCity
10 21 (2.93%) SpecFlow
11 18 (2.51%) JMeter
12 14 (1.95%) Maven
12 14 (1.95%) WebDriver
13 13 (1.81%) Gradle
13 13 (1.81%) NUnit
13 13 (1.81%) SoapUI
14 12 (1.67%) GitLab
15 10 (1.39%) REST Assured
General
1 169 (23.57%) Finance
2 149 (20.78%) Social Skills
3 71 (9.90%) Front Office
4 58 (8.09%) Banking
4 58 (8.09%) Public Sector
5 43 (6.00%) Electronics
6 42 (5.86%) Back Office
7 36 (5.02%) Analytical Skills
8 22 (3.07%) Investment Banking
9 21 (2.93%) Retail
10 17 (2.37%) Marketing
11 16 (2.23%) Presentation Skills
12 13 (1.81%) Inclusion and Diversity
13 10 (1.39%) Advertising
13 10 (1.39%) Manufacturing
14 9 (1.26%) Law
14 9 (1.26%) Military
14 9 (1.26%) Telecoms
15 8 (1.12%) Tech for Good
16 4 (0.56%) Influencing Skills
Job Titles
1 414 (57.74%) Developer
2 159 (22.18%) Senior
3 123 (17.15%) Software Engineer
4 108 (15.06%) Java Developer
5 99 (13.81%) Senior Developer
6 63 (8.79%) Lead
7 59 (8.23%) .NET Developer
8 52 (7.25%) Full Stack Developer
9 48 (6.69%) C# Developer
10 43 (6.00%) Scala Developer
11 36 (5.02%) Python Developer
11 36 (5.02%) Senior Java Developer
12 35 (4.88%) C++ Software Engineer
13 33 (4.60%) Front-End Developer (Client-Side Developer)
14 28 (3.91%) Developer/Software Engineer
14 28 (3.91%) Finance Manager
15 27 (3.77%) .NET Software Developer
16 26 (3.63%) .NET Software Engineer
17 25 (3.49%) Software Asset Manager
17 25 (3.49%) Software Manager
Libraries, Frameworks & Software Standards
1 194 (27.06%) .NET
2 142 (19.80%) React
3 109 (15.20%) Spring
4 106 (14.78%) .NET Core
5 102 (14.23%) Kafka
6 96 (13.39%) REST
7 87 (12.13%) CSS
8 78 (10.88%) Spring Boot
9 77 (10.74%) Node.js
10 76 (10.60%) HTML
11 73 (10.18%) RESTful
12 69 (9.62%) Web Services
13 64 (8.93%) AngularJS
14 62 (8.65%) Redux
15 44 (6.14%) ASP.NET
16 36 (5.02%) .NET Framework
17 35 (4.88%) GraphQL
18 33 (4.60%) Akka
18 33 (4.60%) Sass
19 28 (3.91%) SOAP
Miscellaneous
1 58 (8.09%) Derivative
2 53 (7.39%) Fixed Income
3 42 (5.86%) Product Ownership
4 40 (5.58%) Foreign Exchange (FX)
4 40 (5.58%) Self-Motivation
5 33 (4.60%) Hedge funds
6 30 (4.18%) Distributed Systems
7 28 (3.91%) Equities
8 21 (2.93%) Algorithms
9 19 (2.65%) Data Structures
10 15 (2.09%) Enterprise Software
11 11 (1.53%) Cloud Native
12 10 (1.39%) Mobile App
13 9 (1.26%) Data Protection Act
14 8 (1.12%) Linux Command Line
14 8 (1.12%) Public Cloud
15 7 (0.98%) Greenfield Project
15 7 (0.98%) Management Information System
15 7 (0.98%) Virtual Team
16 6 (0.84%) Market Risk
Operating Systems
1 83 (11.58%) Linux
2 64 (8.93%) Unix
3 23 (3.21%) Mac OS X
4 16 (2.23%) Windows
5 8 (1.12%) Android
6 2 (0.28%) Red Hat Enterprise Linux
Processes & Methodologies
1 484 (67.50%) Agile
2 295 (41.14%) DevOps
3 225 (31.38%) CI/CD
4 212 (29.57%) Software Engineering
5 206 (28.73%) BDD
6 203 (28.31%) Microservices
7 183 (25.52%) Continuous Integration
8 182 (25.38%) Test Automation
9 139 (19.39%) Pair Programming
10 132 (18.41%) Scrum
11 124 (17.29%) Full Stack Development
12 123 (17.15%) Unit Testing
13 115 (16.04%) Clean Code
14 92 (12.83%) OO
15 69 (9.62%) Kanban
16 67 (9.34%) API Management
16 67 (9.34%) Continuous Improvement
17 65 (9.07%) Software Testing
18 62 (8.65%) OOD
19 56 (7.81%) Continuous Deployment
Programming Languages
1 246 (34.31%) C#
2 231 (32.22%) Java
3 189 (26.36%) JavaScript
4 154 (21.48%) SQL
5 143 (19.94%) TypeScript
6 105 (14.64%) Python
7 57 (7.95%) C++
7 57 (7.95%) Scala
8 54 (7.53%) Bicep
9 46 (6.42%) C
10 42 (5.86%) PHP
11 22 (3.07%) Go
11 22 (3.07%) Kotlin
12 18 (2.51%) PowerShell
13 12 (1.67%) Shell Script
14 11 (1.53%) Groovy
15 6 (0.84%) Bash
15 6 (0.84%) Perl
16 5 (0.70%) Ruby
17 4 (0.56%) T-SQL
Qualifications
1 84 (11.72%) Security Cleared
2 72 (10.04%) SC Cleared
3 43 (6.00%) Degree
4 21 (2.93%) Computer Science Degree
5 11 (1.53%) Master's Degree
6 8 (1.12%) ISTQB
7 7 (0.98%) ISTQB Foundation Certification
8 5 (0.70%) DV Cleared
9 3 (0.42%) PMI Certification
9 3 (0.42%) 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 (9.34%) QA
2 49 (6.83%) Accessibility
3 20 (2.79%) WCAG
4 10 (1.39%) MiFID
5 5 (0.70%) Data Quality
6 3 (0.42%) 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 (13.95%) Docker
2 48 (6.69%) Active Directory
3 4 (0.56%) zsh
4 1 (0.14%) GridGain
4 1 (0.14%) Hyper-V
4 1 (0.14%) VMware NSX
Systems Management
1 126 (17.57%) Kubernetes
2 50 (6.97%) Terraform
3 28 (3.91%) Grafana
4 15 (2.09%) Ansible
4 15 (2.09%) Prometheus
5 10 (1.39%) Kibana
6 5 (0.70%) Puppet
7 4 (0.56%) Single Sign-On
8 3 (0.42%) Istio
8 3 (0.42%) logstash
8 3 (0.42%) Netcool
9 2 (0.28%) Progress Chef
10 1 (0.14%) Docker Swarm
Vendors
1 116 (16.18%) Microsoft
2 33 (4.60%) Oracle
3 18 (2.51%) Typelevel
4 17 (2.37%) Google
5 14 (1.95%) SAP
6 11 (1.53%) Salesforce
7 9 (1.26%) ION Trading
8 8 (1.12%) Databricks
8 8 (1.12%) Splunk
9 6 (0.84%) NEC
10 5 (0.70%) Adobe
10 5 (0.70%) AppDynamics
10 5 (0.70%) Atlassian
10 5 (0.70%) New Relic
10 5 (0.70%) Sitecore
11 4 (0.56%) Optimizely
11 4 (0.56%) TIBCO
12 3 (0.42%) CA Agile Central
13 2 (0.28%) MuleSoft
13 2 (0.28%) Solace