Contract Software Library & Framework Statistics in the City of Westminster

Description	Rank 6 Months to 1 Apr 2026	Rank YoY Change	Median Daily Rate	Median Daily Rate YoY Change	Historical Absolute & Relative Jobs Vacancies	Live Jobs
Lambda Expressions	9	-	£650	-	3 6.82%
Oracle Fusion	9	-2	£725	-6.45%	3 6.82%
RESTful	9	+2	£450	-14.28%	3 6.82%
Plotly	9	-	£650	-	3 6.82%
Spring	10	-	£613	-	2 4.55%
HTML5 Canvas	10	-	£605	-	2 4.55%	1
HTML	10	-	£650	-	2 4.55%	2
CSS	10	-	£650	-	2 4.55%	1
React	10	-3	£613	+31.15%	2 4.55%
Spring Boot	10	-	£613	-	2 4.55%
Next.js	10	-3	£613	+31.15%	2 4.55%
GraphQL	11	-	-	-	1 2.27%
RabbitMQ	11	-	-	-	1 2.27%
Polars	11	+1	£600	-4.00%	1 2.27%
CSS3	11	-	-	-	1 2.27%
WebSockets	11	+1	-	-	1 2.27%
Kafka	11	-	-	-	1 2.27%
AngularJS	11	-1	£613	+49.75%	1 2.27%
XML	11	-	£450	-	1 2.27%
JSON	11	-	£450	-	1 2.27%
Pandas	11	0	£600	+4.80%	1 2.27%
Redux	11	-	-	-	1 2.27%
Spring Cloud	11	-	-	-	1 2.27%
Jest	11	-	-	-	1 2.27%
Micronaut	11	-	£613	-	1 2.27%
Material-UI	11	-	-	-	1 2.27%
HTML5	11	-	-	-	1 2.27%
NumPy	11	0	£600	+4.80%	1 2.27%