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HashnodeTanseer Saji

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About Me

Personal Summary

Backend Engineer with 5 years of experience designing scalable architectures and high-performance APIs. Proficient in Python, FastAPI, Next.js, Express.js, and cloud technologies (Docker, Kubernetes, AWS). Skilled in microservices, database optimization, and automated deployments. Passionate about using AI-driven automation to solve complex challenges and build resilient solutions.

Experience

General Catalyst (Mar 2022 - Present)

  • Led backend development and automation for Venture Highway, later merged into General Catalyst.

  • Modernized legacy code with Python, improving request processing speed and server efficiency.

  • Built a WhatsApp bot integrating MongoDB and an RAG-based LLM, enabling seamless partner interactions.

  • Developed high-performance APIs and pipelines, cutting processing time by 67%.

  • Designed an event-driven architecture with FastAPI and Redis, tripling data throughput.

  • Integrated AI-driven startup evaluation models, streamlining due diligence.

  • Managed backend migration post-acquisition, ensuring a smooth transition.

Rech Company (Mar 2019 - Mar 2022)

  • Built a quotation management system that reduced turnaround time by 50%, improving executive efficiency and client satisfaction.

  • Engineered a real-time crowd-tracking system for an event, enhancing security and situational awareness.

  • Created a psychometric evaluation system, improving hiring accuracy by 30% and reducing recruitment time by 40%.

  • Developed the backend infrastructure for Lenovo Yoga’s campaign site, leveraging Celery & RabbitMQ for efficient image generation and processing.

Education

Masters of Computer Application - August 2024

Amrita Vishwa Vidyapeetham

Bachelor of Computer Application - August 2019

Vivekananda Institute of Professional Studies, GGSIPU

Key Projects

Crowd-Tracking System for EDGE Tawdheef Convention

  • Developed a real-time crowd-tracking system to analyze attendee movement and improve security measures.

  • Enabled data-driven insights to enhance situational awareness and optimize event management.

  • Successfully deployed and tested in a high-traffic defense technology convention in the UAE.

WhatsApp AI Assistant for General Catalyst

  • Developed a WhatsApp bot connected to MongoDB and an RAG-powered LLM, allowing investors and partners to interact with the product through chat.

  • Enabled natural language queries for startup discovery and founder insights.

  • Securely managed access control, ensuring only authorized users could utilize the bot.

Legacy Code Modernization

  • Refactored legacy backend code to modern Python, replacing outdated logic with optimized algorithms.

  • Improved request processing speeds, allowing servers to handle significantly higher loads.

  • Reduced technical debt and streamlined CI/CD pipelines, improving deployment efficiency.

Technical Skills

  • Languages: Python, JavaScript, Rust

  • Backend Frameworks: Flask, FastAPI, Next.js, Axum Rust

  • Databases: PostgreSQL, MongoDB, MySQL, ElasticSearch, Redis

  • Cloud & DevOps: Docker, Kubernetes, AWS (RDS, EKS), Netlify, Github Actions

  • Scalability & Performance: Microservices, Event-Driven Systems, API Optimization

  • AI & Automation: PyTorch, ONNX, NLP, Selenium, BeautifulSoup

  • System Design & Distributed Systems: Event Sourcing, Kafka, Load Balancing, Multi-region deployments