Here are my personal NO BS recommendations for a novice adult, based on my experience.
1. Get training, and deal with the recoil. It's part of shooting guns. Stop being whiney about it.
2. Of hammer vs. stiker, I recommend hammer for a novice. There are exceptions based on training and demonstrated comfort and proficiency. But especially for novices, strikers are a big liability IMHO.
3. That leaves us with this relatively short but excellent list of hammer fired guns.
Top Pick:
CZ 75D (PCR) compact (no light rail) or PO1 (light rail) (aluminum frames), or CZ P07 (polymer frame). This is a top recommendation, top tier class of hammer fired pistol, ultra reliable, slim, excellent size/weight and controls ergonomics, that have endured rigorous testing from a top shelf gunmaker. I prefer decockers but the CZ75 is available with a safety instead. Chosen by military and police around the world for 5 decades. I like the PO7 because it is lighter, has a better trigger, and a generous trigger well, excellent for gloved cold weather carry. Another is the benefit of changing the safety designs, either decocker or safety.
Look no further than this. Quite arguably the best handgun ever made, and surely on the short list. I would place this in my personal top 5 for carry/defense.
An arguable tie, but a bit fatter and harder to carry, is the SIG P229 9mm. The larger version of this, the P226, beat the Beretta M9 in the 1980s trials and should have been the US Military choice, but Beretta came in cheaper so Beretta won. Regardless, the P226 was chosen by Special Operations for 40 years. The P229 is the same gun but smaller for concealed carry (essentially an M11). Also, the P-series has been chosen by military and police around the world for many decades. One of my main carry guns is the P229 in .40 caliber. I recognize it is a bit fatter than the typical carry gun. This comes with or without a rail (the benefit of being slimmer and lighter for carry).
3rd recommendation is going to be an HK USP compact 9mm. It's essentially a scaled down version of the Mark23, designed for the Navy SEALS in the 90s I believe. If an award has to go to the most durable handgun made, it is the HK USP. HK has on display a documented USP that has fired some 209,000 rounds without parts failure, and the typical gun is rated for something like 50,000 rounds or some absurdly large number. Regardless, ultra excellent design and craftsmanship. Somewhat easier to rack the slide due to design as well. One big advantage of this is the benefit of changing the safety designs. I acknowledge it is a thicker gun as well, but that is offset by the profound excellence of the firearm. The rail is proprietary and requires special lights, but Olight makes affordable ones and there are adaptors. Many people do not carry a rail light (bulk/cost) anyway so it's a moot point.
A 4th option would be a hump-back style .38 SW revolver, such as the model 442. Get a pre-lock one if possible. I would not fire .357s out of this, but instead .38 or .38 + P. There will be some recoil and flash, and the sites stink. Range is going to be point-blank. The main advantage is this is dummy proof and would be almost impossible to jam outside of neglect. The huge advantage is point-shooting, which women might be particularly prone to be victim of someone grappling and laying on top of. A semi-auto might jam if pushed against a target (such as the belly of a attacker) as it might push the slide out of battery and disable the gun. A revolver like this will work and offer 5 effective shots of .38 special. It's the simplest of platforms for a number of training reasons.
Earlier I recommended a striker fired gun but I think that's more of an advanced design, so I retract that to a degree. However, I do almost daily carry my Walther PPS, and trust my life to it. But I am highly trained. The above guns are my best recommendations for this situation.