Brake upgrade

in Workshop
My stock 2012 Giant Defy 2 pads (Tiagra) are getting worn and I would like to upgrade to better, more powerful pads. I sometimes get pain in my fingers from the pressure needed to apply the front brake.
What would be my best option for an upgrade?
I think these pads are cartridge based aren't they?
What would be my best option for an upgrade?
I think these pads are cartridge based aren't they?

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https://www.wiggle.co.uk/swissstop-flash-pro-alloy-rim-brake-blocks?lang=en&curr=GBP&dest=1&sku=5360661134&kpid=5360661134&utm_source=google&utm_term=&utm_campaign=Shopping+-+All+Products&utm_medium=base&gclid=Cj0KCQiA962BBhCzARIsAIpWEL0WxyvMiWigmEEkY_oe3ttfrZP2IUWr5dO2-KsVcGCuZhPaxBcltZ4aAl_-EALw_wcB&gclsrc=aw.ds
Is it worth upgrading to Ultegra calipers at all? These seem cheap. Or am I better off just sticking with better pads?
https://www.aliexpress.com/item/32851094681.html?spm=a2g0o.productlist.0.0.d0ef5ef9AViBmW&algo_pvid=2b034b30-4d90-41e9-8f5d-541d055606e1&algo_expid=2b034b30-4d90-41e9-8f5d-541d055606e1-2&btsid=0bb0623316135057417321001e0c6a&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_
No point going Ultegra when 105 work just as well and are cheaper.
Kool stop salmon are just as good as SwissStop and far cheaper, Wiggle's Lifeline also get very good reviews and cost pennies.
But I agree with the other comments re cables, and check your pads are aligned correctly so they are hitting the rim squarely.
So no, not the end.
And 28mm tubeless.
anything else is tantamount to suicide or damaged discs at the very least