Any info or tips on how to start remote working if you're not a "web guy"? I'm more of a scientist / engineer, i.e. I work on somewhere in between writing nume

Any info or tips on how to start remote working if you're not a "web guy"? I'm more of a scientist / engineer, i.e. I work on somewhere in between writing numerical methods, simulation, control, and gluing them to more useful interfaces. I don't do UI, but I can handle it; I certainly don't do web front- or back-ends, but I know something about databases; I like statistics, but I'm not a machine learning expert, although I know how to set up and use TensorFlow; I enjoy working on low-level code, embedded and real-time systems, audio, signal processing and control and robotics. At the same time I'm willing to sacrifice some of the "hands on" stuff I like to do (working with mechanical systems) and be more of a software guy if it means I can travel and work remotely. However, short of starting my own consultancy, which I'm not sure I want to do (I have no idea about business), I don't know how to get it going. I feel forever doomed to haunt the lab/office, because I have no idea how to find freelance contracts for this sort of thing.