Software Library & Framework Statistics in Hertfordshire

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Results 1 - 50 of 57

Permanent Job Market Index
Description	Rank 6 Months to 23 Oct 2026	Rank YoY Change	Median Salary	Median Salary YoY Change	Historical Absolute & Relative Jobs Vacancies	Live Jobs
.NET	32	Up 30 places+30	£60,000	+41.17%	95 3.78%	16
.NET Core	59	Up 20 places+20	£60,000	-	63 2.50%	2
ASP.NET	65	Up 11 places+11	£60,000	+41.17%	54 2.15%
ASP.NET Core	65	New entry-	£60,000	-	54 2.15%
RESTful	70	New entry-	£72,500	-	47 1.87%	2
CSS	82	Down 33 places-33	£60,000	+9.09%	35 1.39%	9
React	84	Down 8 places-8	£52,500	-12.50%	33 1.31%	8
Blazor	86	New entry-	£53,750	-	31 1.23%	2
HTML	86	Down 43 places-43	£60,000	+9.09%	31 1.23%	8
ML.NET	87	New entry-	£60,000	-	30 1.19%
Terraform	93	Down 18 places-18	£62,500	-12.58%	24 0.95%	15
FastAPI	93	New entry-	£72,500	-	24 0.95%
Kafka	95	Down 18 places-18	£72,500	-15.45%	22 0.87%	7
OpenAPI	95	New entry-	£72,500	-	22 0.87%	1
Swagger	95	New entry-	£72,500	-	22 0.87%	1
RabbitMQ	95	Down 16 places-16	£72,500	-27.50%	22 0.87%
Entity Framework	96	Down 17 places-17	£60,000	-	21 0.83%	3
Node.js	98	Down 21 places-21	£60,000	-25.00%	19 0.76%	11
LINQ	102	New entry-	£60,000	-	15 0.60%	2
ASP.NET Web API	103	New entry-	£57,500	-	14 0.56%	1
.NET Framework	104	Down 27 places-27	£50,000	-2.43%	13 0.52%	5
LDAP	107	Down 36 places-36	£50,000	-27.00%	10 0.40%	4
REST	108	Down 30 places-30	£56,250	-	9 0.36%	18
WPF	109	New entry-	£55,000	-	8 0.32%	1
Microsoft Graph	111	New entry-	£60,000	-	6 0.24%	2
AngularJS	111	Down 36 places-36	£57,500	-4.16%	6 0.24%	3
Playwright	111	Down 34 places-34	£55,000	-15.38%	6 0.24%	5
Vue	111	Down 33 places-33	£57,500	-42.50%	6 0.24%	1
WinForms	113	New entry-	£48,750	-	4 0.16%
Middleware	113	Down 35 places-35	£60,000	-20.00%	4 0.16%	5
Django	114	New entry-	£73,750	-	3 0.12%
JWT	114	New entry-	-	-	3 0.12%
OAuth	114	New entry-	-	-	3 0.12%	3
Flask	114	New entry-	£73,750	-	3 0.12%
WinUI	114	New entry-	£65,000	-	3 0.12%
Web Services	114	Down 35 places-35	-	-	3 0.12%	4
EDI	114	Down 35 places-35	-	-	3 0.12%	2
JSON	114	Down 53 places-53	-	-	3 0.12%	5
Laravel	114	New entry-	£42,500	-	3 0.12%	8
Regular Expression	115	New entry-	-	-	2 0.080%	1
ModSecurity	115	New entry-	-	-	2 0.080%
Tailwind CSS	115	New entry-	£42,500	-	2 0.080%	3
Elastic Stack	116	New entry-	-	-	1 0.040%
D3.js	116	New entry-	£45,000	-	1 0.040%	1
WebRTC	116	New entry-	£80,000	-	1 0.040%
PyTorch	116	Down 37 places-37	-	-	1 0.040%
YAML	116	New entry-	-	-	1 0.040%
Lightning Web Components	116	New entry-	£42,500	-	1 0.040%	1
Oracle Fusion	116	Down 36 places-36	£95,000	+35.71%	1 0.040%	5
pytest	116	New entry-	-	-	1 0.040%