---
title: "Mohammad Waris - Senior Software Engineer in Bengaluru | Tal"
description: "Meet Mohammad Waris, SSE @ Oleria | Ex Simpl, Classplus based in Bengaluru. AI stack includes claude code, claude, and gemini. Explore public work links including github."
image: "https://tal.club/meet/mohammad-waris/share-image"
---

# Mohammad Waris on Tal

## Headline

SSE @ Oleria \| Ex Simpl, Classplus

## About

Senior Software Engineer with 7\+ years architecting scalable backend systems, real\-time data pipelines, and full stack products across Fintech, EdTech, and Cybersecurity startups, with proven staff level ownership of critical systems end to end\.

## Location

Bengaluru

## AI stack

claude code

claude

gemini

geminicli

github copilot

claudecode

## Work experience

Senior Software Engineer at Oleria, Dec 2025 \- Aug 2026 · 8 mo, Bengaluru, Karnataka, India

Staff Software Engineer at Simpl, Jun 2022 \- Oct 2025 · 3 y 4 mo, Bengaluru, Karnataka, India, • Owned and scaled a real\-time antifraud platform processing millions of events and 120K\+ requests/min using Go, Python/FastAPI, and Java/Flink for heuristic and ML\-based fraud detection\. • Optimized Kafka consumer architecture, reducing consumer instances by 50%, CPU utilization from 35% to 12%, and doubling throughput while eliminating consumer lag\. • Redesigned Flink pipelines for LSTM\-based ML model inference, parallelizing I/O and migrating from DynamoDB to MongoDB, reducing infrastructure costs by 40% while improving reliability\. • Increased NeptuneDB graph writer throughput 3× through query merging and buffered writes, enabling a database instance downgrade and saving $2K\+ per month\. • Migrated a latency\-sensitive fraud detection service from Flask to FastAPI, improving concurrency, eliminating 90 ms SLA timeouts, and reducing container requirements by 50%\. • Developed fraud\-control tooling, including a Go/Redis sliding\-window rate limiter for scraping mitigation and a PostgreSQL\-backed self\-service risk\-rule platform, reducing engineering dependency\. • Modernized fraud analytics and ETL pipelines using Airflow, Databricks, Dask, and Redshift, reducing processing time by 60% and improving scalability\.

Software Engineer at Classplus, Jun 2019 \- Jun 2022 · 3 y, Noida, Uttar Pradesh, India, • Built and scaled real\-time chat infrastructure handling millions of messages daily, with 35 ms P95 latency, 1,500 req/s, and 100K\+ concurrent WebSocket connections using Node\.js, Socket\.IO, Redis, MongoDB, Pub/Sub, Nginx, and NLB\. • Led EC2\-to\-EKS migration with event\-driven autoscaling and workload separation, improving resilience and reducing infrastructure costs by 40%; later contributed to the organization\-wide AWS\-to\-GCP migration\. • Built an online test platform end to end using React, Redux, Node\.js, MongoDB, and Redis, scaling as the user base grew from thousands to millions\. • Architected a centralized notification microservice supporting multiple product channels, improving delivery reliability and simplifying notification delivery across services\. • Improved platform observability and cost efficiency by deploying centralized ELK logging and building infrastructure cost analytics, reducing bug\-resolution time by 40% and infrastructure spend by 15%\.

## Education

Bachelor of Technology \- BTech, Computer Science, Dr\. A\.P\.J\. Abdul Kalam Technical University \(AKTU\), Lucknow

## Public links

- github: https://github\.com/warisrao

[View the original profile](https://tal.club/meet/mohammad-waris)

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