Pronoy Chowdhury

Senior Python Backend Engineer with 6+ years of experience building high-performance distributed systems, algorithmic trading platforms, and real-time market data infrastructure. Expertise in Python, FastAPI, Redis, PostgreSQL, WebSockets, Docker, Linux, AWS, and asynchronous system design. Experienced in designing low-latency trading engines, backtesting frameworks, scalable APIs, event-driven architectures, and cloud-native deployments.

Strong background in quantitative trading systems and production infrastructure.

Senior Python Backend Engineer at Coinsburg Ventures Pvt Ltd (2025-01 – Present)

• 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.
• Built scalable WebSocket and Redis-based market data infrastructure 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.
• Improved trading engine performance 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.

Backend Engineer at 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.

Backend Engineer at 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.

Software Developer at 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.

MCA in Master of Computer Applications – IGNOU (2022)

BCA in Bachelor of Computer Applications – IGNOU (2020)

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