Deepanshu Sharma

Backend and AI Engineer with 3+ years building scalable backend systems and Generative AI applications using Python, FastAPI, PostgreSQL, Docker, and Kubernetes. Currently building RAG pipelines and a distributed voice-calling platform at FPL Technologies. Strong in system design, cloud infrastructure, and shipping production-grade LLM-integrated services.

Engineer - FPL Technologies Private Limited - Pune, Maharashtra

(2025-10)

• Architected a RAG-based PDF Chat System integrating LLM APIs, vector databases, and semantic search, enabling compliance teams to query complex legal documents via natural language.
• Built VoiceBot, a distributed outbound voice-calling platform (Python, FastAPI, Kafka, PostgreSQL, Redis, LiveKit, Kubernetes) for debt collections and customer engagement, designed to handle 100K–1M calls/day via a queue-based dispatch pipeline.
• Implemented adaptive concurrency control (AIMD, EWMA) to optimize throughput and reduce call drop rates under variable load conditions.
• Maintained and scaled the core Python backend (Sanic, PostgreSQL) of a no-code IVR and chatbot workflow platform serving production traffic.

Assistant Manager - Protean Egov Technologies - Mumbai, Maharashtra

(2023-03 - 2025-10)

• Built centralized REST APIs for secure HAProxy configuration management, automating infrastructure updates and eliminating manual overhead.
• Engineered and deployed highly available FastAPI microservices in containerized Linux environments (Docker), improving service reliability and deployment speed.
• Developed automated cloud monitoring scripts integrated with alerting pipelines, reducing incident detection and response time.
• Managed large-scale data integration projects focusing on distributed system reliability and performance tuning.

DotNet Developer (Intern) - Andaze Limited - Remote, India

(2022-04 - 2022-09)

• Optimized web application runtime performance and eliminated redundant code using Microsoft Blazor and XAF.
• Developed and tested custom UI components in Visual Studio, improving user interface responsiveness.

Bachelor of Technology - Computer Science Engineering - RGPV University (2018 - 2022)