Software Library & Framework Statistics in Swansea

Permanent Job Market Index

Description	Rank 6 Months to 4 Aug 2026	Rank YoY Change	Median Salary	Median Salary YoY Change	Historical Absolute & Relative Jobs Vacancies	Live Jobs
Spring Boot	23	New entry-	£70,000	-	35 9.14%	7
Ruby on Rails	26	New entry-	£72,500	-	31 8.09%	6
Spring	29	New entry-	£70,000	-	28 7.31%	6
React	29	New entry-	£60,000	-	28 7.31%	9
Node.js	31	Down -21 places-21	£72,500	+92.13%	26 6.79%	5
RESTful	35	New entry-	£60,000	-	22 5.74%	4
Kafka	41	New entry-	£70,000	-	16 4.18%	2
GraphQL	45	New entry-	£70,000	-	12 3.13%	1
AWS CDK	45	New entry-	£76,250	-	12 3.13%	2
CSS	46	Down -36 places-36	£38,500	+10.00%	11 2.87%	4
Playwright	46	New entry-	£42,500	-	11 2.87%
RabbitMQ	47	New entry-	£70,000	-	10 2.61%	1
REST	47	Down -37 places-37	£80,000	+128.57%	10 2.61%	2
HTML	48	Down -38 places-38	£38,500	+10.00%	9 2.35%	2
.NET	49	Down -40 places-40	£60,000	+50.00%	8 2.09%	5
Hibernate	49	New entry-	£70,000	-	8 2.09%	1
JPA	49	New entry-	£70,000	-	8 2.09%	1
Jest	49	New entry-	£47,500	-	8 2.09%
Serverless Framework	50	New entry-	£72,500	-	7 1.83%	1
AWS SAM	51	New entry-	£72,500	-	6 1.57%	1
ASP.NET	52	New entry-	£60,000	-	5 1.31%	1
HTML5	52	Down -42 places-42	£72,500	+107.14%	5 1.31%	1
CSS3	52	Down -42 places-42	£72,500	+107.14%	5 1.31%	1
.NET Core	52	Down -42 places-42	£60,000	+71.42%	5 1.31%	4
ASP.NET Core	52	New entry-	£60,000	-	5 1.31%	1
Blazor	52	New entry-	£60,000	-	5 1.31%	1
ML.NET	52	New entry-	£60,000	-	5 1.31%	1
Sidekiq	53	New entry-	£52,500	-	4 1.04%
Vue	53	New entry-	£52,500	-	4 1.04%	1
Next.js	53	New entry-	£49,250	-	4 1.04%
OpenAPI	53	New entry-	£51,619	-	4 1.04%	3
Gherkin	55	New entry-	£45,000	-	2 0.52%	1
Tailwind CSS	55	New entry-	£49,250	-	2 0.52%