TDD Contracts in Hertfordshire

Test-Driven Development (TDD)
East of England > Hertfordshire

The table below provides summary statistics for contract job vacancies advertised in Hertfordshire requiring TDD skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited TDD over the 6 months leading up to 7 June 2025, comparing them to the same period in the previous two years.

6 months to
7 Jun 2025
Same period 2024 Same period 2023
Rank 35 31 44
Rank change year-on-year -4 +13 +12
Contract jobs citing TDD 10 42 29
As % of all contract jobs advertised in Hertfordshire 2.95% 4.96% 3.81%
As % of the Processes & Methodologies category 3.21% 5.69% 4.39%
Number of daily rates quoted 3 1 3
10th Percentile - - £323
25th Percentile £465 £525 £356
Median daily rate (50th Percentile) £490 £550 £425
Median % change year-on-year -10.91% +29.41% -22.73%
75th Percentile £515 £575 £479
90th Percentile - - £504
East of England median daily rate £489 £500 £583
% change year-on-year -2.29% -14.24% +0.52%
Number of hourly rates quoted 5 39 14
10th Percentile £62.75 - £55.38
25th Percentile - £61.25 £61.25
Median hourly rate £65.00 £65.00 £65.00
75th Percentile - - £67.81
90th Percentile - - £73.75
East of England median hourly rate £65.00 £65.00 £65.00
% change year-on-year - - -7.80%

All Process and Methodology Skills
Hertfordshire

TDD falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in Hertfordshire.

Contract vacancies with a requirement for process or methodology skills 312 738 660
As % of all contract IT jobs advertised in Hertfordshire 92.04% 87.13% 86.73%
Number of daily rates quoted 157 259 356
10th Percentile £348 £223 £260
25th Percentile £450 £313 £363
Median daily rate (50th Percentile) £550 £413 £500
Median % change year-on-year +33.33% -17.50% -
75th Percentile £600 £581 £676
90th Percentile £675 £700 £750
East of England median daily rate £500 £450 £475
% change year-on-year +11.11% -5.26% -
Number of hourly rates quoted 76 312 143
10th Percentile £17.48 £38.12 £21.00
25th Percentile £34.91 £40.00 £53.34
Median hourly rate £62.00 £50.00 £62.50
Median % change year-on-year +24.00% -20.00% +25.00%
75th Percentile £74.06 £65.00 £70.00
90th Percentile £83.13 £75.25 £77.00
East of England median hourly rate £37.75 £40.00 £22.00
% change year-on-year -5.63% +81.82% +41.94%

TDD
Job Vacancy Trend in Hertfordshire

Job postings citing TDD as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for TDD in Hertfordshire

TDD
Contractor Daily Rate Trend in Hertfordshire

3-month moving average daily rate quoted in jobs citing TDD in Hertfordshire.

Daily rate trend for TDD in Hertfordshire

TDD
Contractor Hourly Rate Trend in Hertfordshire

3-month moving average hourly rates quoted in jobs citing TDD in Hertfordshire.

Hourly rate trend for TDD in Hertfordshire

TDD
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Hertfordshire region over the 6 months to 7 June 2025. 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
Stevenage -2 6 - - 2
TDD
East of England

TDD
Co-occurring Skills and Capabilities in Hertfordshire 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:

Communications & Networking
1 6 (60.00%) Ethernet
1 6 (60.00%) TCP/IP
2 4 (40.00%) Wireless
Development Applications
1 6 (60.00%) Eclipse
1 6 (60.00%) Visual Studio
General
1 6 (60.00%) Military
1 6 (60.00%) Presentation Skills
1 6 (60.00%) Social Skills
2 1 (10.00%) Law
2 1 (10.00%) Telecoms
Job Titles
1 5 (50.00%) C# Software Engineer
1 5 (50.00%) Developer
1 5 (50.00%) Software Engineer
2 4 (40.00%) Backend Developer
3 3 (30.00%) C++ Software Engineer
4 2 (20.00%) C# Developer
5 1 (10.00%) Applications Developer
5 1 (10.00%) Cloud Developer
5 1 (10.00%) Linux Developer
5 1 (10.00%) Programmer
5 1 (10.00%) Telecoms Developer
Libraries, Frameworks & Software Standards
1 6 (60.00%) Node.js
1 6 (60.00%) Web Services
2 4 (40.00%) REST
3 1 (10.00%) RESTful
Operating Systems
1 10 (100.00%) Linux
2 6 (60.00%) Windows
Processes & Methodologies
1 6 (60.00%) Agile
1 6 (60.00%) CI/CD
1 6 (60.00%) Continuous Delivery
1 6 (60.00%) Continuous Integration
1 6 (60.00%) Digital Twin
1 6 (60.00%) Synthetic Environment
1 6 (60.00%) Unit Testing
2 5 (50.00%) Software Engineering
2 5 (50.00%) Validation
2 5 (50.00%) Verification and Validation
2 5 (50.00%) Visualisation
3 4 (40.00%) Containerisation
3 4 (40.00%) OO
4 3 (30.00%) Test Automation
5 2 (20.00%) Multithreading
6 1 (10.00%) OOP
Programming Languages
1 10 (100.00%) C#
2 8 (80.00%) C++
3 6 (60.00%) JavaScript
4 4 (40.00%) Java
4 4 (40.00%) Python
Qualifications
1 3 (30.00%) SC Cleared
1 3 (30.00%) Security Cleared
System Software
1 4 (40.00%) Docker
Systems Management
1 4 (40.00%) Kubernetes
Vendors
1 6 (60.00%) Microsoft