Software Library & Framework Statistics in Hertfordshire

Results 1 - 50 of 61
Permanent Job Market Index
DescriptionSort by demand rank 6 months to 2 Jun 2026Rank
6 Months to
Rank
YoY Change
Median
Salary
Median Salary
YoY Change
Historical
Absolute & Relative
Jobs Vacancies
Live
Jobs
.NET51Up 7 places+7£65,000+48.57%50 2.32%22
.NET Core66Up 15 places+15£62,500+8.69%35 1.62%13
React73Up 3 places+3£52,500-12.50%28 1.30%9
CSS74Down -11 places-11£53,750+43.33%27 1.25%11
ASP.NET78Up 1 place+1£60,000+20.00%23 1.07%12
HTML78Down -15 places-15£53,750+43.33%23 1.07%11
ASP.NET Core78New entry-£60,000-23 1.07%12
ML.NET86New entry-£60,000-15 0.70%6
Node.js86Down -12 places-12£50,000-18.36%15 0.70%14
RESTful87Down -20 places-20£56,250-33.82%14 0.65%7
PyTorch90New entry---11 0.51%12
TensorFlow90New entry---11 0.51%12
Blazor91New entry-£53,750-10 0.46%7
Kafka91Down -10 places-10£72,500+1.39%10 0.46%3
PySpark92New entry-£75,000-9 0.42%1
scikit-learn93New entry---8 0.37%
REST94Down -15 places-15£60,000+4.34%7 0.32%5
LDAP94Down -26 places-26£50,000-19.35%7 0.32%2
Oracle Fusion94Down -12 places-12£100,000+14.28%7 0.32%
SOAP95New entry-£60,000-6 0.28%1
Entity Framework95Down -15 places-15£60,000+4.34%6 0.28%3
LangChain95New entry---6 0.28%
pgvector95New entry---6 0.28%
LlamaIndex95New entry---6 0.28%
Ruby on Rails96New entry---5 0.23%
LINQ97Down -16 places-16£61,250+6.52%4 0.19%3
Pandas97Down -21 places-21--4 0.19%
Next.js97Down -16 places-16£45,000-18.18%4 0.19%
NestJS97Down -15 places-15£45,000-18.18%4 0.19%
FastAPI98New entry-£72,500-3 0.14%1
ASP.NET Web API98Down -17 places-17£57,500-3 0.14%3
WPF98New entry-£65,000-3 0.14%2
.NET Framework99Down -21 places-21£56,250+2.27%2 0.093%1
JSON99Down -17 places-17£55,000-26.66%2 0.093%1
Middleware99New entry-£80,000-2 0.093%2
XML99Down -17 places-17£52,500-30.00%2 0.093%1
AngularJS99Down -20 places-20£57,500+12.19%2 0.093%4
NumPy99New entry---2 0.093%
RabbitMQ99New entry-£72,500-2 0.093%1
Matplotlib99New entry---2 0.093%
OpenAPI99New entry-£72,500-2 0.093%1
Lightning Web Components99New entry-£120,000-2 0.093%
Swagger99New entry-£72,500-2 0.093%1
JWT99Down -30 places-30£60,000-29.41%2 0.093%1
Seaborn99New entry---2 0.093%
Vue99Down -21 places-21£57,500-9.80%2 0.093%2
WinUI99New entry-£65,000-2 0.093%1
gRPC100Down -18 places-18--1 0.046%
Keras100New entry---1 0.046%
Playwright100Down -18 places-18£62,500+13.63%1 0.046%1