Manpreet Singh

Technical Architect & Engineering Leader

15+ years architecting high-throughput distributed systems in fintech and hyper-scale consumer platforms. I design systems that handle ₹1,500+ Crore in daily transactions at 99.99% SLA.

View Experience Get in Touch
📧 manpreetsingh.2011@gmail.com 🔗 linkedin.com/in/manpreet1989

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

📈

3x

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.
  • Redesigned transaction processing and recovery workflows, significantly reducing production incidents with automated failed-payment recovery.
  • 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 SPOFs.
  • 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
  • Drove modernization roadmap for AMCAT flagship assessment platform — monolith to microservices with Node.js backends.
  • Engineered WebRTC-based video assessment framework with custom FFmpeg pipeline for real-time capture, compression, and cloud stitching.
  • Architected cross-browser audio evaluation utility with async ingestion, mitigating codec variances and network jitter.
  • Designed real-time synchronization layer for live interviewing platform (Codemeet) using Firebase, Firepad, and hybrid WebRTC P2P/Server modes.

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 flag generation 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)

Get in Touch

I'm always open to discussing engineering challenges, architectural decisions, or new opportunities.

📧 manpreetsingh.2011@gmail.com 🔗 linkedin.com/in/manpreet1989