Backend Engineer · Data Engineer · Delhi, India
Chetan Kumar Tyagi
5+ years engineering trading infrastructure, distributed data pipelines, and multi-agent LLM systems. Currently at QuantInsti building the data backbone for Blueshift — a live algorithmic trading platform.
5+
Years of experience
3
Companies
65%
Pipeline speed-up
14+
Broker integrations
Experience
Jul 2024 – Present
Mumbai, India
Software Development Engineer
QuantInsti Quantitative Learning
- –Built production-grade data ingestion pipelines for OHLC, tick, and fundamental data across equities, futures, options, and indices on the Blueshift platform.
- –Performance-tuned the options data ingestion pipeline end-to-end — reducing ingestion time from ~90 min to 25–30 min (65%+ improvement) through parallelisation and profiling-driven refactoring.
Oct 2023 – Jun 2024
Thane, India
Senior Software Engineer
Neam Caps (sharpely / finpeg)
- –Profiled and optimised database queries and legacy systems — achieving 80% faster query results and 50% reduction in resource usage.
- –Conducted large-scale backtesting for equity trading strategies using QuantConnect Lean (Python); collaborated with market researchers to surface actionable signals.
Apr 2021 – Oct 2023
Noida, India
Software Engineer
WealthWisers Technologies
- –Engineered TradeTez — a multi-broker, multi-account trading backend supporting NSE and NYSE markets across IIFL, SMC, Zerodha, and 5Paisa.
- –Built end-to-end trading bots covering backtesting, optimisation, and live execution using broker APIs; handled concurrent multi-account order routing reliably.
Selected Work
Technical Skills
Core Languages
Python (expert), Rust, SQL, Bash
AI & LLM
Multi-agent orchestration, Claude API, Gemini / Vertex AI, OpenAI API, Ollama, MCP (server + client), Prompt engineering
Data Engineering
Airflow, PySpark (Core / SQL / Streaming), Pandas, Polars, Parquet, Snowflake, Hive / HDFS, DuckDB
Backend
FastAPI, Django, Flask, WebSockets, Socket.IO, AsyncIO, AMQP, MQTT
Databases
PostgreSQL, MySQL, MongoDB, Redis, SQLite, CrateDB
Infrastructure
AWS (EC2, EKS, S3, Lambda, RDS, Athena, Glue, SQS), Docker, Git / CI/CD, Ubuntu / Linux
Trading & Quant
Broker API integration, Options pricing (SABR, Black-Scholes), Event-driven execution, Backtesting, Tick / OHLC data