Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 58
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 19 May 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET59Down -4 places-4£70,000+24.44%45 2.01%21
.NET Core69Up 5 places+5£65,000+8.33%35 1.56%12
CSS72Down -12 places-12£55,000+37.50%32 1.43%13
React78Down -13 places-13£52,500-12.50%26 1.16%13
HTML80Down -20 places-20£55,000+37.50%24 1.07%13
ASP.NET84Down -8 places-8£60,000+4.34%20 0.89%12
ASP.NET Core84New entry-£60,000-20 0.89%12
ML.NET90New entry-£60,000-14 0.63%6
Node.js92Down -26 places-26£45,000-28.00%12 0.54%8
RESTful93Down -33 places-33£55,000-35.29%11 0.49%6
TensorFlow94New entry---10 0.45%
PySpark94New entry-£75,000-10 0.45%1
PyTorch94New entry---10 0.45%
Blazor95New entry-£55,000-9 0.40%7
Oracle Fusion96Down -18 places-18£100,000+14.28%8 0.36%
scikit-learn96New entry---8 0.36%
Kafka96Down -20 places-20£62,500-19.35%8 0.36%1
REST97Down -25 places-25£60,000+6.66%7 0.31%7
LangChain98New entry---6 0.27%
pgvector98New entry---6 0.27%
LlamaIndex98New entry---6 0.27%
SOAP98Down -25 places-25£60,000+2.12%6 0.27%2
LDAP99Down -33 places-33£50,000-19.35%5 0.22%2
Ruby on Rails99Down -21 places-21--5 0.22%1
Entity Framework99Down -23 places-23£60,000+4.34%5 0.22%3
NestJS100Down -23 places-23£45,000-32.07%4 0.18%
Pandas100Down -28 places-28--4 0.18%
XML100Down -25 places-25£55,000-4 0.18%1
JSON100Down -23 places-23£55,000-12.00%4 0.18%
LINQ100Down -23 places-23£61,250+6.52%4 0.18%3
Next.js100Down -23 places-23£45,000-18.18%4 0.18%1
ASP.NET Web API101Down -24 places-24£57,500-3 0.13%3
Lightning Web Components102New entry-£120,000-2 0.089%
WinUI102New entry-£65,000-2 0.089%1
NumPy102New entry---2 0.089%
OpenGL102New entry-£40,000-2 0.089%1
Vue102Down -33 places-33£57,500+4.54%2 0.089%3
Matplotlib102New entry---2 0.089%
.NET Framework102Down -27 places-27£56,250-2 0.089%1
Seaborn102New entry---2 0.089%
Vulkan102New entry-£40,000-2 0.089%
WPF102New entry-£65,000-2 0.089%2
AngularJS102Down -30 places-30£57,500+4.54%2 0.089%4
JWT102Down -38 places-38£60,000-29.41%2 0.089%1
FastAPI103New entry-£72,500-1 0.045%
OAuth103Down -39 places-39£60,000-29.41%1 0.045%1
Flask103New entry-£72,500-1 0.045%
Spring103Down -33 places-33£62,500+13.63%1 0.045%
TFX103New entry---1 0.045%
Spring Boot103Down -25 places-25£62,500-26.47%1 0.045%