Weight loss is a function of calories, you are almost never going to be able to run off calories you eat very easily.
So eat less if you want to lose weight.
If you want to be strong, exercise several times a week.
If you exercise to lose weight, and you were gaining weight before you started exercising, your probably just going to lose your water weight initially (OMG MOM I LOST 10lbs!) then you are going to stall, because you are really just exercising off the excess (if you can even do that).
I have lost 130lbs, and kept it off for several years now, I have track everything. Anyone coming on asking for quick tips on losing weight is having a losing game already.
If you are a software dev, make a spreadsheet, and do a workup on yourself. It takes time, but you can find out what your body burns every day, and you can find out how many calories you need to eat to lose weight, and you can even track when you start getting thinner how many fewer calories you burn
Here is how I do it.
If you don't want to use the self guided programmer method, and keep track of calories in calories out using a spreadsheet....
Download MyFitness Pal to track your calories and estimate your calorie needs, and do fitocracy to motivate you and read their guides on health.