Ask HN: Is it just me or do 99% of SWE jobs offers seem completely pointless? 4 years ago
Each of the below "traditional" industries provide a net benefit to humanity, some are more stodgy than others, but all will adopt new technologies to improve over time, including making moves towards greater sustainability:
--Engineering - infrastructure, public works, buildings and facilities --Healthcare - hospitals, medical devices, pharma --Energy - solar, wind, natural gas --Public utilities - water, electricity, gas --Food and beverage --All kinds of manufacturing
There could be various opportunities at companies from the above to create a small impact at relatively low stress for a place that does something useful.