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The following table provides summary statistics for permanent job vacancies with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 6 June 2020 with a comparison to the same period in the previous 2 years.
| Test-Driven Development (TDD) UK |
|
|
6 months to
6 Jun 2020 |
Same period 2019 |
Same period 2018 |
| Rank |
26 |
30 |
20 |
| Rank change year-on-year |
+4 |
-10 |
-2 |
| Permanent jobs citing TDD |
6,451 |
10,014 |
15,844 |
| As % of all permanent jobs advertised in the UK |
7.45% |
6.96% |
9.15% |
| As % of the Processes & Methodologies category |
8.08% |
7.55% |
9.92% |
| Number of salaries quoted |
5,961 |
8,738 |
14,698 |
| Median annual salary |
£60,000 |
£55,000 |
£50,000 |
| Median salary % change year-on-year |
+9.09% |
+10.00% |
- |
| 10th Percentile |
£37,000 |
£35,000 |
£33,750 |
| 90th Percentile |
£90,000 |
£86,250 |
£80,000 |
| UK excluding London median annual salary |
£50,000 |
£50,000 |
£46,000 |
| % change year-on-year |
- |
+8.70% |
+2.22% |
TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for process or methodology skills.
| All Process and Methodology Skills UK |
| Permanent vacancies with a requirement for process or methodology skills |
79,878 |
132,660 |
159,772 |
| As % of all permanent IT jobs advertised in the UK |
92.28% |
92.25% |
92.30% |
| Number of salaries quoted |
63,305 |
103,927 |
128,523 |
| Median annual salary |
£55,000 |
£52,500 |
£50,000 |
| Median salary % change year-on-year |
+4.76% |
+5.00% |
+5.26% |
| 10th Percentile |
£31,250 |
£30,000 |
£29,000 |
| 90th Percentile |
£90,000 |
£86,250 |
£82,500 |
| UK excluding London median annual salary |
£47,500 |
£45,000 |
£45,000 |
| % change year-on-year |
+5.56% |
- |
+5.88% |
|
TDD
Job Vacancy Trend
Job postings citing TDD as a proportion of all IT jobs advertised.
TDD
Salary Trend
3-month moving average salary quoted in jobs citing TDD.
TDD
Salary Histogram
Salary distribution for jobs citing TDD over the 6 months to 6 June 2020.
TDD
Top 18 Job Locations
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the UK over the 6 months to 6 June 2020.
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
Permanent
IT Job Ads |
Median Salary
Past 6 Months |
Median Salary
% Change
on Same Period
Last Year |
Live
Job
Vacancies |
| England |
+3 |
6,041 |
£60,000 |
+9.09% |
619 |
| London |
+6 |
3,490 |
£70,000 |
+7.69% |
244 |
| UK excluding London |
-2 |
2,870 |
£50,000 |
- |
401 |
| South East |
-4 |
909 |
£55,000 |
+10.00% |
68 |
| North of England |
+5 |
829 |
£50,000 |
+5.26% |
168 |
| Work from Home |
+10 |
608 |
£57,500 |
+4.55% |
71 |
| North West |
+4 |
442 |
£52,500 |
+5.00% |
92 |
| South West |
+9 |
382 |
£50,000 |
+11.11% |
57 |
| Yorkshire |
+7 |
308 |
£50,000 |
+11.11% |
51 |
| Midlands |
-2 |
272 |
£50,750 |
+12.78% |
55 |
| Scotland |
+9 |
224 |
£47,500 |
-5.00% |
15 |
| East of England |
-15 |
182 |
£52,500 |
- |
27 |
| West Midlands |
+6 |
175 |
£51,500 |
+14.44% |
34 |
| East Midlands |
-13 |
97 |
£50,000 |
+11.11% |
21 |
| North East |
+16 |
79 |
£45,000 |
-5.26% |
25 |
| Wales |
+3 |
71 |
£45,000 |
+5.88% |
8 |
| Northern Ireland |
+15 |
18 |
£42,000 |
-16.00% |
3 |
| Isle of Man |
- |
6 |
£47,500 |
- |
|
For the 6 months to 6 June 2020, IT jobs citing TDD also mentioned the following skills in order of popularity.
The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for TDD.
| 1 |
4,784 (74.16%) |
Agile Software Development |
| 2 |
2,874 (44.55%) |
JavaScript |
| 3 |
2,700 (41.85%) |
BDD |
| 4 |
2,617 (40.57%) |
C# |
| 5 |
2,493 (38.65%) |
.NET |
| 6 |
2,118 (32.83%) |
Java |
| 7 |
1,976 (30.63%) |
Scrum |
| 8 |
1,901 (29.47%) |
Microservices |
| 9 |
1,894 (29.36%) |
AWS |
| 10 |
1,883 (29.19%) |
AngularJS |
| 11 |
1,834 (28.43%) |
Azure |
| 12 |
1,702 (26.38%) |
React |
| 13 |
1,484 (23.00%) |
Software Engineering |
| 14 |
1,427 (22.12%) |
SQL |
| 15 |
1,405 (21.78%) |
DevOps |
|
| 16 |
1,404 (21.76%) |
Node.js |
| 17 |
1,401 (21.72%) |
HTML |
| 18 |
1,371 (21.25%) |
MVC |
| 19 |
1,353 (20.97%) |
SQL Server |
| 20 |
1,352 (20.96%) |
CSS |
| 20 |
1,352 (20.96%) |
Git (software) |
| 21 |
1,288 (19.97%) |
Continuous Integration |
| 22 |
1,257 (19.49%) |
Docker |
| 23 |
1,244 (19.28%) |
.NET Core |
| 24 |
1,193 (18.49%) |
Test Automation |
| 25 |
1,190 (18.45%) |
Finance |
| 26 |
1,178 (18.26%) |
ASP.NET |
| 27 |
1,009 (15.64%) |
Kanban |
| 28 |
978 (15.16%) |
TypeScript |
| 29 |
970 (15.04%) |
.NET Framework |
|
TDD
Co-occurring IT Skills by Category
The follow tables expand on the table above by listing co-occurrences grouped by category.
The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Processes & Methodologies |
| 1 |
4,784 (74.16%) |
Agile Software Development |
| 2 |
2,700 (41.85%) |
BDD |
| 3 |
1,976 (30.63%) |
Scrum |
| 4 |
1,901 (29.47%) |
Microservices |
| 5 |
1,484 (23.00%) |
Software Engineering |
| 6 |
1,405 (21.78%) |
DevOps |
| 7 |
1,371 (21.25%) |
MVC |
| 8 |
1,288 (19.97%) |
Continuous Integration |
| 9 |
1,193 (18.49%) |
Test Automation |
| 10 |
1,009 (15.64%) |
Kanban |
| 11 |
788 (12.22%) |
OO |
| 12 |
608 (9.42%) |
SOLID |
| 13 |
607 (9.41%) |
Unit Testing |
| 14 |
601 (9.32%) |
Pair Programming |
| 15 |
585 (9.07%) |
Mentoring |
| 16 |
579 (8.98%) |
Fintech |
| 17 |
513 (7.95%) |
Problem-Solving |
| 18 |
487 (7.55%) |
Front End Development |
| 19 |
484 (7.50%) |
SDLC |
| 20 |
472 (7.32%) |
Continuous Delivery |
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