Flask / FastAPI Developer salary analysis

High growth through at least 2028. FastAPI adoption in India is accelerating on two axes: ML/AI team growth (every company with a data science function is wrapping models behind FastAPI endpoints, and that function is growing at nearly all Indian unicorns) and microservice decomposition (CRED, BharatPe, Slice, and Razorpay are each mid-migration from monoliths to Python microservices). The combination of Pydantic v2 performance and native OpenAPI generation makes FastAPI the default Python API framework for greenfield projects, while Flask retains a large installed base that requires maintenance and gradual migration. Python's dominance in data science creates a structural flywheel: data science teams at Mu Sigma and Fractal produce models that productionisation teams deploy via FastAPI, and the line between data scientist and FastAPI developer is increasingly blurred at mid-size Indian analytics firms.

₹55.0 LPA