Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 61
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 21 May 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET64Down -7 places-7£70,000+24.44%44 1.96%22
.NET Core74Up 4 places+4£63,750+6.25%34 1.52%13
CSS76Down -14 places-14£55,000+33.33%32 1.43%11
React81Down -11 places-11£52,500-12.50%27 1.20%12
HTML84Down -22 places-22£55,000+33.33%24 1.07%11
ASP.NET Core88New entry-£60,000-20 0.89%12
ASP.NET88Down -10 places-10£60,000+20.00%20 0.89%12
ML.NET94New entry-£60,000-14 0.62%6
Node.js95Down -26 places-26£45,000-28.00%13 0.58%12
RESTful96Down -33 places-33£56,250-33.82%12 0.54%6
TensorFlow98New entry---10 0.45%11
PyTorch98New entry---10 0.45%11
PySpark99New entry-£75,000-9 0.40%1
Kafka99Down -22 places-22£67,500-5.59%9 0.40%1
Blazor99New entry-£55,000-9 0.40%7
Oracle Fusion100Down -19 places-19£100,000+14.28%8 0.36%
scikit-learn100New entry---8 0.36%
REST101Down -23 places-23£60,000+4.34%7 0.31%4
LangChain102New entry---6 0.27%
pgvector102New entry---6 0.27%
LlamaIndex102New entry---6 0.27%
SOAP102Down -24 places-24£60,000-4.00%6 0.27%1
Ruby on Rails103Down -22 places-22--5 0.22%1
Entity Framework103Down -24 places-24£60,000+4.34%5 0.22%3
LDAP103Down -34 places-34£50,000-19.35%5 0.22%1
JSON104Down -24 places-24£55,000-12.00%4 0.18%
LINQ104Down -24 places-24£61,250+6.52%4 0.18%3
Next.js104Down -24 places-24£45,000-18.18%4 0.18%
NestJS104Down -24 places-24£45,000-32.07%4 0.18%
Pandas104Down -29 places-29--4 0.18%
XML104Down -24 places-24£55,000-12.00%4 0.18%1
ASP.NET Web API105Down -25 places-25£57,500-3 0.13%3
NumPy106New entry---2 0.089%
Vue106Down -32 places-32£57,500-4.16%2 0.089%2
Matplotlib106New entry---2 0.089%
.NET Framework106Down -29 places-29£56,250+2.27%2 0.089%1
Seaborn106New entry---2 0.089%
WPF106New entry-£65,000-2 0.089%2
AngularJS106Down -30 places-30£57,500+4.54%2 0.089%4
JWT106Down -39 places-39£60,000-29.41%2 0.089%1
FastAPI106New entry-£72,500-2 0.089%
Lightning Web Components106New entry-£120,000-2 0.089%
WinUI106New entry-£65,000-2 0.089%1
gRPC107Down -26 places-26--1 0.045%
OpenGL107New entry-£40,000-1 0.045%1
Keras107New entry---1 0.045%
Middleware107Down -26 places-26£100,000+53.84%1 0.045%1
RabbitMQ107Down -26 places-26£72,500+11.53%1 0.045%
Vulkan107New entry-£40,000-1 0.045%
Django107New entry-£72,500-1 0.045%