Position Title: Senior Software Engineer
Team: Indexes Technology, Morningstar India Pvt Ltd
The Area
The Morningstar Indexes Team leverages its expertise in equity research, manager research, asset allocation, and portfolio construction to create creative investment solutions. It uses Morningstar’s intellectual property to create indexes that empower investors to achieve their goals at every stage of the investment process—market monitoring, benchmarking, and asset allocation. The fast-growing business offers a broad suite of global equity, bond, commodity and asset allocation indexes.
The Indexes Technology team builds and operates the data platforms that power Morningstar’s index and mutual fund products — including large-scale financial data pipelines, survivor-bias-free historical databases, and cloud-native services on AWS. We process terabytes of market and fund data with strict correctness, auditability, and performance requirements.
The Role
We are looking for a hands-on Senior/Lead Software Engineer with deep Python expertise to design, build,



and operate high-throughput data services and APIs. You will work across the full lifecycle: data ingestion and transformation at scale, service design, performance tuning, and production operations. Strong Java engineers with solid working Python experience are also encouraged to apply — our stack includes Java services, and polyglot engineers thrive here.
As a Lead, you will additionally drive technical design reviews, mentor engineers, own delivery of multi-quarter initiatives, and raise the engineering bar across the team.
Responsibilities
Design and build production-grade Python services and REST APIs (FastAPI/Flask) powering index and fund data products.
Build high-throughput data processing pipelines using Pandas/NumPy and Python concurrency (multiprocessing, asyncio) over large financial datasets (tens of GBs to TBs).
Own microservice design end to end: API contracts, error handling, idempotency, retries, o

📌 Senior Software Engineer (Mumbai)
🏢 Morningstar
📍 Mumbai