Available for senior roles

Saurav
Roy

Engineering leader with 7+ years building high-throughput distributed systems, from fintech infrastructure to serverless orchestration at scale.

500K
Events / Sec
200+
Clients Scaled
80%
Latency Cut
Saurav Roy
// Bangalore, India
What I Build

Core Expertise

High-Throughput Systems

Designing and architecting systems that handle extreme event volumes — from 500K events/sec HFT (High Frequency Trading) liability frameworks to 2K RPS payout infrastructure across multiple regions.

Kafka Redis gRPC Event Sourcing
🏦

Fintech Infrastructure

Deep domain expertise in payments, settlements, payroll, and fraud detection. Built core banking primitives used by hundreds of enterprise clients across India and Malaysia.

Neo-Banking Compliance Settlement BFSI
🔧

Platform Engineering

Configuration-driven microservice frameworks, serverless orchestration, WAL replication pipelines, and multitenant infrastructure — reducing engineer toil through abstraction.

Microservices Serverless PostgreSQL WAL OpenFeign
👥

Engineering Leadership

Led cross-functional teams from founding engineer to tech head. Conducted comprehensive code reviews, mentored engineers, and collaborated with DevOps and SRE on system reliability.

Team Building Mentorship Code Review SRE Collab
📊

Observability & Performance

Profiling, bottleneck identification, and tuning production systems with tools like JFR, AsyncProfiler, and New Relic. Delivering 80%+ latency improvements in critical paths.

New Relic JFR AsyncProfiler NGINX/Kong
🔗

Multi-Exchange Systems

Building low-latency liquidity arbitrage systems across multiple exchanges with real-time capital allocation optimization — at the intersection of trading infrastructure and distributed systems.

Low Latency Arbitrage Capital Allocation Golang
1M+
Daily requests on fraud detection
14K
RPM on partner integration service
2K
RPS payout write throughput
80%
Latency reduction via serverless framework
Where I've Worked

Work Experience

FalconX
Razorpay
Acko
Friday AI
Karza
Wipro Digital
SDE 3
FalconX · Bangalore, India
March 2025 – Present
  • Leading the Transfer Networks team, building a low-latency, high-throughput system to arbitrage liquidity across multiple exchanges with real-time capital allocation optimization.
  • Built mission-critical liability aging framework delivering real-time unsettled balance exposure and "unsettled since" detection at 500K events/sec to ensure settlement accuracy and operational risk monitoring.
GolangDistributed SystemsLow Latency
SDE 3
Razorpay · Bangalore, India
May 2024 – Mar 2025
  • Led payouts team building the neo-banking solution enabling merchants to settle balances, run payroll, and handle commissions in real time.
  • Architected multitenant payout infrastructure ensuring compliance & taxes with 2K RPS write throughput across India and Malaysia regions.
GolanggRPCKafkaRedisAirflow
SDE 2
Acko · Bangalore, India
Apr 2022 – May 2024
  • Led a 6-member team designing a configuration-driven microservice for diverse partner integration, sustaining 14K RPM with minimal engineer onboarding overhead.
  • Developed high-performance custom REST client with OpenFeign — client options, logging, interceptors, error decoders, and retry policy.
  • Built WAL streaming middleware from migrated production database, enabling backfilling into older DB for OLAP operations via logical replication.
  • Accountable for system bottleneck identification in collaboration with DevOps and SRE teams; mentored junior engineers.
Spring BootPythonPostgreSQLRedisNetflix ConductorNew Relic
CTO & Co-Founder
Friday AI · Remote, India
Oct 2020 – Jan 2022
  • Tech Head for a smart contract-based marketing campaign manager connecting banks and e-Commerce platforms.
  • Built and managed a team of 5 engineers; engaged with banks and investors to scale the business and raise funding.
Smart ContractsTeam LeadershipFundraising
Software Engineer
Karza Technologies · India
Jul 2020 – Apr 2022
  • Designed internal workflow orchestration framework using Python-less serverless infrastructure — achieving 80% latency reduction and significant infrastructure cost savings.
  • Engineered a heuristic fraud detection SaaS using web-scraped data, processing 1M+ daily requests. Scaled product from 0 to 200+ clients in the BFSI sector.
PythonServerlessBFSIWeb Scraping
Software Engineer
Wipro Digital · Hyderabad, India
Apr 2019 – Jul 2020
  • Worked for Apple to revamp the pricing and quotation engine for iTunes — developed a client service to dynamically incorporate taxes and charges based on selling country in real-time.
Spring BootKafkaSQLEhCacheDockerECS/ECR
Research

Published Work

📄 IEEE Xplore · Published

Gaffer: Cloud Computing based Serverless Orchestration Framework for Unprecedented Workflow

A side-car framework for large interdependent & cross-platform serverless mesh architectures — designed to mitigate redundancy and manage concurrency in dynamic, high-scale workflows. The published research underpins the orchestration work that achieved 80% latency reduction in production.

Serverless Cloud Computing Orchestration Concurrency
IEEE Xplore
Education

Academic Background

🎓
B.Tech — Electrical & Electronics Engineering
Vellore Institute of Technology
June 2015 – May 2019 · Vellore, India
8.02
CGPA

Get in Touch

I'm always open to discussing complex engineering challenges, team building, and building systems that matter at scale.