Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 63
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 27 May 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET56Down -2 places-2£67,500+54.28%47 2.13%18
.NET Core68Up 7 places+7£62,500+8.69%35 1.58%11
CSS74Down -13 places-13£55,000+29.41%29 1.31%12
React76Down -7 places-7£52,500-12.50%27 1.22%8
HTML79Down -18 places-18£55,000+29.41%24 1.09%11
ASP.NET82Down -9 places-9£60,000+20.00%21 0.95%11
ASP.NET Core82New entry-£60,000-21 0.95%11
Node.js88Down -22 places-22£50,000-20.00%15 0.68%7
ML.NET89New entry-£60,000-14 0.63%6
RESTful91Down -31 places-31£56,250-33.82%12 0.54%6
PyTorch93New entry---10 0.45%1
TensorFlow93New entry---10 0.45%1
Kafka94Down -20 places-20£67,500-5.59%9 0.41%1
Blazor94New entry-£55,000-9 0.41%6
PySpark94New entry-£75,000-9 0.41%
scikit-learn95New entry---8 0.36%
Oracle Fusion96Down -20 places-20£100,000+14.28%7 0.32%
REST96Down -23 places-23£60,000+4.34%7 0.32%4
LangChain97New entry---6 0.27%
pgvector97New entry---6 0.27%
LlamaIndex97New entry---6 0.27%
SOAP97Down -21 places-21£60,000-7.69%6 0.27%1
LDAP97Down -34 places-34£50,000-19.35%6 0.27%2
Entity Framework97Down -23 places-23£60,000+4.34%6 0.27%3
Ruby on Rails98New entry---5 0.23%1
LINQ99Down -24 places-24£61,250+6.52%4 0.18%3
Next.js99Down -24 places-24£45,000-18.18%4 0.18%
NestJS99Down -23 places-23£45,000-18.18%4 0.18%
Pandas99Down -29 places-29--4 0.18%
WPF100New entry-£65,000-3 0.14%2
ASP.NET Web API100Down -25 places-25£57,500-3 0.14%3
XML100Down -24 places-24£55,000-26.66%3 0.14%1
JSON100Down -24 places-24£55,000-26.66%3 0.14%
AngularJS101Down -28 places-28£57,500+12.19%2 0.091%2
JWT101Down -39 places-39£60,000-29.41%2 0.091%
FastAPI101New entry-£72,500-2 0.091%1
Lightning Web Components101New entry-£120,000-2 0.091%
WinUI101New entry-£65,000-2 0.091%1
NumPy101New entry---2 0.091%
Middleware101Down -25 places-25£80,000+23.07%2 0.091%2
Vue101Down -29 places-29£57,500-9.80%2 0.091%2
Matplotlib101New entry---2 0.091%
.NET Framework101Down -29 places-29£56,250+2.27%2 0.091%1
Seaborn101New entry---2 0.091%
Vulkan102New entry-£40,000-1 0.045%
WebRTC102New entry-£80,000-1 0.045%1
Django102New entry-£72,500-1 0.045%
jQuery102Down -28 places-28£25,000-1 0.045%
OAuth2102New entry-£60,000-1 0.045%
Playwright102Down -26 places-26£62,500+13.63%1 0.045%1