Pronoy Chowdhury

Python Backend Engineer with 6+ years of experience developing scalable backend services, automation frameworks, financial data platforms, and cloud-native applications. Experienced in Python, FastAPI, SQL Server, PostgreSQL, Redis, Docker, Linux, Azure, AWS, CI/CD, and distributed systems. Strong background building reusable services, automating workflows, optimizing data processing pipelines, and delivering production-grade software for algorithmic trading platforms.

Lead Software Engineer-Trading Systems & Automation - FractalBalancer.ai, Coinsburg Ventures Pvt Ltd

(2025-01 - 2026-05)

• Developed a high-performance trading strategy engine with custom condition builder supporting RSI, ORB, candlestick patterns, cooldowns, risk filters, and multi-timeframe execution using FastAPI, Python.
• Implemented real-time Binance PnL synchronization, live position monitoring, trailing stop-loss systems, and broker risk management workflows.
• Developed reusable Python backend services for processing real-time financial market data using FastAPI, Redis, and WebSockets for live OHLCV ingestion, tick streaming, latency tracking, and pump/dump calculations across multiple timeframes.
• Designed and optimized backtesting systems with parallel signal evaluation, capital-aware simulation, fee calculations, and performance analytics.
• Developed live candlestick pattern detection and pattern backtesting systems with Redis state management and WebSocket progress broadcasting.
• Optimized Python data-processing pipelines through caching, asynchronous execution, batching, and memory-efficient algorithms using sliding-window memory management, selective pattern loading, caching systems, batched Redis operations, and asynchronous task pipelines.
• Implemented Dockerized CI/CD deployment pipelines and managed Linux-based production infrastructure on AWS/Azure environments.
• Developed monitoring and observability systems including thread health checks, execution latency metrics, automated recovery mechanisms, and webhook notification pipelines.
• Designed relational database schemas and indexing strategies for high-volume financial datasets.
• Wrote unit tests for backend modules and performed integration testing for APIs and trading workflows.

Senior Software Engineer - Investibot.ai, BRU LLC

(2024-09 - 2024-12)

• Developed backend services using Python and .NET 8 for cryptocurrency trading infrastructure.
• Enhanced virtual trade functionalities by implementing Profit and Loss (PnL) monitoring, including peak/drawdown analysis for better risk management.
• Integrated Continuous Integration/Continuous Deployment (CI/CD) pipelines into the project workflow using Docker clustering for streamlined and automated deployment.
• Developed bot monitoring functionalities, including loop execution time tracking, thread health monitoring, and smart restart mechanisms to handle errors effectively.

Software Engineer - Smartrobo.trade, JABM Onesource Pvt Ltd

(2021-08 - 2024-08)

• Developed scalable backend services for algorithmic trading using Python and C#, establishing multiple broker integrations with live paper trading and real-time PnL updates.
• Developed diverse data feeds in C# core, ensuring seamless storage and updates in Producer-Consumer pattern. Innovatively syncs similar data without latency loss.
• Developed a flexible system enabling strategy development, testing, and integration in any language with developer-focused API authentication.
• Implemented an automated robust failover data recovery system, verifying and updating market data in case of critical failures.
• Responsible for monitoring, maintenance and reporting services of algo strategies.
• Optimized database interactions using PostgreSQL and SQL Server.

Software Developer - Algoji Pvt. Ltd

(2019-09 - 2021-07)

• Responsible for integrating more than 5 broker apis.
• Provided L3 Customer support, assisting clients with plugins and trading strategies.
• Hands on experience on Windows Administration, Configuration Management, Continuous Integration, Continuous Deployment and Cloud Implementations
• Oversaw web server maintenance, ensuring uptime and optimal performance
• Develop, maintain and support web applications that can be used across the company to improve the effectiveness of our efforts from a marketing standpoint.
• Developed complex SQL queries, stored procedures, and data retrieval logic supporting trading applications.

MCA - Kurukshetra University (2022)

BCA - IGNOU (2020)

Class XII - PCM - C.B.S.E Board (2015)