Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 61
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 29 May 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET56Down -1 place-1£67,500+54.28%49 2.23%19
.NET Core69Up 7 places+7£62,500+8.69%36 1.64%11
CSS76Down -17 places-17£55,000+46.66%29 1.32%10
React77Down -7 places-7£52,500-12.50%28 1.27%8
HTML81Down -22 places-22£55,000+46.66%24 1.09%9
ASP.NET Core83New entry-£60,000-22 1.00%11
ASP.NET83Down -9 places-9£60,000+20.00%22 1.00%11
Node.js90Down -23 places-23£50,000-20.00%15 0.68%5
ML.NET90New entry-£60,000-15 0.68%6
RESTful92Down -31 places-31£55,000-35.29%13 0.59%5
PyTorch94New entry---11 0.50%
TensorFlow94New entry---11 0.50%
Blazor95New entry-£53,750-10 0.46%6
PySpark96New entry-£75,000-9 0.41%
Kafka96Down -21 places-21£67,500-5.59%9 0.41%
scikit-learn97New entry---8 0.36%
REST98Down -24 places-24£60,000+4.34%7 0.32%2
Oracle Fusion98Down -21 places-21£100,000+14.28%7 0.32%
LDAP98Down -35 places-35£50,000-19.35%7 0.32%1
Entity Framework99Down -24 places-24£60,000+4.34%6 0.27%3
LangChain99New entry---6 0.27%
pgvector99New entry---6 0.27%
LlamaIndex99New entry---6 0.27%
SOAP99Down -22 places-22£60,000-7.69%6 0.27%1
Ruby on Rails100New entry---5 0.23%1
LINQ101Down -25 places-25£61,250+6.52%4 0.18%3
Next.js101Down -25 places-25£45,000-18.18%4 0.18%
NestJS101Down -24 places-24£45,000-18.18%4 0.18%
Pandas101Down -30 places-30--4 0.18%
JSON102Down -25 places-25£55,000-26.66%3 0.14%
WPF102New entry-£65,000-3 0.14%2
ASP.NET Web API102Down -26 places-26£57,500-3 0.14%3
XML102Down -25 places-25£55,000-26.66%3 0.14%1
.NET Framework103Down -30 places-30£56,250+2.27%2 0.091%1
Vue103Down -30 places-30£57,500-9.80%2 0.091%2
Matplotlib103New entry---2 0.091%
Seaborn103New entry---2 0.091%
AngularJS103Down -29 places-29£57,500+12.19%2 0.091%2
JWT103Down -40 places-40£60,000-29.41%2 0.091%
FastAPI103New entry-£72,500-2 0.091%
Lightning Web Components103New entry-£120,000-2 0.091%
WinUI103New entry-£65,000-2 0.091%1
NumPy103New entry---2 0.091%
Middleware103Down -26 places-26£80,000+23.07%2 0.091%1
gRPC104Down -27 places-27--1 0.046%
Keras104New entry---1 0.046%
RabbitMQ104Down -27 places-27£72,500+11.53%1 0.046%
WebSockets104New entry-£80,000-1 0.046%1
Django104New entry-£72,500-1 0.046%
WebRTC104New entry-£80,000-1 0.046%1