Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 58
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 18 May 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET56No change0£70,000+24.44%45 2.01%19
.NET Core66Up 9 places+9£65,000+8.33%35 1.57%11
CSS69Down -8 places-8£55,000+37.50%32 1.43%12
React75Down -10 places-10£52,500-12.50%26 1.16%11
HTML77Down -16 places-16£55,000+37.50%24 1.07%13
ASP.NET81Down -4 places-4£60,000+4.34%20 0.90%12
ASP.NET Core81New entry-£60,000-20 0.90%12
ML.NET87New entry-£60,000-14 0.63%6
Node.js89Down -23 places-23£45,000-30.76%12 0.54%6
RESTful90Down -29 places-29£55,000-35.29%11 0.49%7
PyTorch91New entry---10 0.45%
TensorFlow91New entry---10 0.45%
PySpark91New entry-£75,000-10 0.45%1
Blazor92New entry-£55,000-9 0.40%7
Kafka93Down -17 places-17£62,500-19.35%8 0.36%1
Oracle Fusion93Down -14 places-14£100,000+14.28%8 0.36%
scikit-learn93New entry---8 0.36%
REST94Down -21 places-21£60,000+6.66%7 0.31%4
LangChain95New entry---6 0.27%
pgvector95New entry---6 0.27%
LlamaIndex95New entry---6 0.27%
SOAP95Down -21 places-21£60,000+2.12%6 0.27%1
LDAP96Down -29 places-29£50,000-19.35%5 0.22%3
Ruby on Rails96Down -17 places-17--5 0.22%
Entity Framework96Down -19 places-19£60,000+4.34%5 0.22%3
LINQ97Down -19 places-19£61,250+6.52%4 0.18%3
Next.js97Down -19 places-19£45,000-18.18%4 0.18%1
NestJS97Down -20 places-20£45,000-41.93%4 0.18%
Pandas97Down -24 places-24--4 0.18%
XML97Down -21 places-21£55,000-4 0.18%
JSON97Down -19 places-19£55,000-12.00%4 0.18%
Vulkan98New entry-£40,000-3 0.13%
ASP.NET Web API98Down -20 places-20£57,500-3 0.13%3
OpenGL98New entry-£40,000-3 0.13%1
WPF99New entry-£65,000-2 0.090%2
AngularJS99Down -26 places-26£57,500+4.54%2 0.090%3
JWT99Down -34 places-34£60,000-29.41%2 0.090%1
Lightning Web Components99New entry-£120,000-2 0.090%
WinUI99New entry-£65,000-2 0.090%1
NumPy99New entry---2 0.090%
Vue99Down -29 places-29£57,500+4.54%2 0.090%3
Matplotlib99New entry---2 0.090%
.NET Framework99Down -23 places-23£56,250-2 0.090%1
Seaborn99New entry---2 0.090%
Django100New entry-£72,500-1 0.045%
jQuery100Down -24 places-24£25,000-1 0.045%
OAuth2100New entry-£60,000-1 0.045%
Playwright100Down -21 places-21£62,500+13.63%1 0.045%1
OAuth100Down -35 places-35£60,000-29.41%1 0.045%1
FastAPI100New entry-£72,500-1 0.045%1