SANDEEP RAJ SAIMON

Senior
Backend Engineer

01

Know
About me

Skilled Backend Developer with over 4 years of experience in optimizing backend systems. Proficient in Ruby, Python, and Node.js. Led backend development for projects with over 10 million users

Experienced in cloud services (AWS) and event -driven programming, improving operational efficiency and scalability for high-traffic applications.

02

My
Experience

  • July 2023 - Present

    Senior Backend Engineer

    Kutumb (Crafto)

    • Designed social media features (Follow, Share, and User Profile), boosting post creation by 25% and DAU by 20%
    • Leveraged AI-powered tools (Chat-GPT, Stable Diffusion) to generate 15000+ unique content pieces daily, increasing shares/downloads by 30% and DAU by 20%.
    • Revamped user-feed personalization with AWS Lambda and Elastic Search, reducing update times from 30 minutes to real-time.
    • Optimized API performance by introducing caching and event-based programming (SQS, SNS, Cron), reducing response time by 40% and scaling to handle 10x more concurrent requests.
    • Engineered Client and Backend for approving content and generating stats, allowing the Content Team can review more than 40000+ content daily for User-Feed Personalization.
    • Streamlined video animation processes using Ffmpeg, serving a daily audience of over 4 million+ users

  • April 2021 - July 2023

    Backend Developer

    Flobiz (MyBillBook)

    • Integrated payment systems for iOS in-app and enterprise subscriptions, Handled transactions over 1 Lakh Rupees.
    • Orchestrated WhatsApp and SMS marketing campaigns via Kaleyra, increasing customer engagement by 40% and retention by 25%.
    • Integrated MongoDB Realm for offline invoice synchronization with CRM, ensured consistent, up-to-date invoice data across platforms.
    • Engineered a robust Credit Micro-Service, streamlining the entire credit application process, improved approval time by 50% and reduced manual errors by 40%.

  • May 2020 - April 2021

    Backend Developer

    Green Turtles And Gaming Technologies

    • Directed the development of User-Service across multiple projects, creating a unified platform for 3 applications.
    • Directed the development of Feed-Service, integrating RabbitMQ for inter-service communication and cron jobs for database syncing.
    • Optimized data access using Redis, reducing API response times by 20-30%.
    • Implemented various KYC-related APIs for 3 RMGs, handling PAN card verification, bank details, and age verification processes.
    • Designed a robust Wallet Service, ensuring smooth transactions and maintaining database consistency.

03

My
Projects

  • Ecommerce Micro-Service

    Authentication Service

    Order Service

    Product Service

    Its a Ecommerce Micro-Service built in Django and Express. For database, Postgres and ElasticSearch have been used

  • Banking System

    A Banking Application Backend System build in NodeJS

04

Contact Me

Mobile Number

+91 9149122804

Email

sandeeprajsaimon999@gmail.com

Social Network