Manpreet Singh

About

Technical Architect and engineering leader with over 15 years of experience designing, scaling, and operating high-throughput distributed systems in fintech and hyper-scale consumer platforms. Specialized in microservices decomposition, high-concurrency data layers, and real-time media protocols. Proven track record of defining long-term technical roadmaps, engineering excellence standards, and solving complex systemic bottlenecks across organizational boundaries.

Selected Technical Impact

💰

₹1,500+ Cr

Daily Transaction Volume

⚡

99.99%

System SLA

📈

UPI Autopay GMV Growth

🔄

80%

Faster Microservice Onboarding

🛡️

125K RPS

DDoS Mitigation Throughput

💤

95%

Infrastructure Cost Reduction

Experience

Senior Engineering Manager - Architecture & Platform Engineering

Razorpay Apr 2024 - Present

Technical owner for core platform utilities (A/B Testing, Feature Flags, Notification Systems, Batch Service) and high-throughput API Gateway handling 12K RPS peak traffic.
Designed GenAI-driven DDoS mitigation engine analyzing anomaly vectors at 125K+ RPS with dynamic adaptive rate-limiting.
Architected GenAI-assisted infrastructure automation pipeline reducing microservice onboarding time by 80%.
Re-engineered A/B testing microservice to sub-millisecond latency via in-memory decentralized evaluation, cutting infrastructure cost by 95%.

Engineering Manager - Payments Platform

Razorpay Feb 2022 - Mar 2024

Architected and scaled UPI Autopay processing infrastructure, optimizing transaction success paths for 3x GMV growth.
Led migration of core Settlements platform from monolith to microservices, processing ₹1,500+ Cr daily volume at 99.99% SLA.
Spearheaded resolution of settlement delays, slashing customer service volumes by 75% within 6 months.

Director of Engineering

Pluang May 2021 - Feb 2022

Scaled core trading infrastructure via distributed Redis Cluster with read-replicas, slashing API latency and eliminating single point of failures.
Designed automated high-throughput ingestion pipelines for user onboarding, KYC collection, and instantaneous verification.

Technical Architect

Aspiring Minds (acquired by SHL) Sep 2016 - May 2021

Designed a real-time live interviewing platform (Codemeet) using Firebase, Firepad, and hybrid WebRTC P2P/Server modes.
Engineered WebRTC-based video assessment framework with custom FFmpeg pipeline for real-time capture, compression, and cloud stitching.
Drove modernization roadmap for AMCAT flagship assessment platform - monolith to microservices with Node.js backends.

Software Development Engineer

Amazon Development Centre Jun 2015 - Aug 2016

Designed backend workflows and rule engines for automated seller catalog corrections, reducing manual review requirements.
Built inventory upload troubleshooting utility to instantly diagnose listing errors and accelerate GMV.

Product Engineer, Software Engineer (Earlier Roles)

Aspiring Minds & Tally Solutions Jun 2011 - Jun 2015

Architected anti-cheating mechanisms including real-time A/V surveillance and AI-based flagging for AMCAT proctoring.
Led ground-up revamp of myamcat.com - test scheduling, job applications, employability feedback, peer discussions.
Built accounts & inventory system and partner billing/commission automation at Tally Solutions.

Skills & Expertise

Architecture & Paradigms

Gen AIMulti-agent SystemsDistributed SystemsEvent-Driven ArchitectureMicroservicesFault-Tolerant SystemsHigh Availability

Gen AI Tools

Claude CodeOpen Codellama.cppLM Studio

Data & Performance Engineering

MySQLQuery OptimizationShardingReplicationRedis ClusterCaching StrategiesPerformance Engineering

Real-time & Media Engineering

WebRTCP2P ProtocolsFFmpegLive Media StreamingAudio/Video Codecs

Languages & Frameworks

Node.jsGolangJavaJavaScriptAngularPHP

Cloud & Infrastructure

FirebaseAWS (EC2, RDS, SQS, SNS, Lambda)