2024 - Present
Backend Engineer @ Lumora Social
- Built event-driven social graph and feed infrastructure.
- Improved latency by tightening query strategy and indexing.
- Wrote on-call playbooks and release safety checks.
$ whoami
Preyam RaoSoftware Engineer
Full-stack engineer building prediction markets, AI tools, and low-latency systems. From Sui Move smart contracts to sub-microsecond C++ trading engines.
Open to full-time roles, selective freelance, and high-context product collaborations.
Ex-OracleIIT Kharagpur CS '23Patent filed$140K grant recipient
// Tools I Use
TypeScriptC++PythonNext.jsReactSui MovePostgreSQLThree.jsClaude API
// Experience
2023 - 2024
Software Engineer @ Oracle
- Worked on Exadata integrations for enterprise workloads.
- Improved deployment reliability with validation gates.
- Reduced operational incidents through better internal tooling.
// Selected Work
Challenge · Stack · Outcomes
01
Aletheia — Prediction Markets on Sui
Challenge Build a decentralized prediction market with AI oracle resolution.
Next.js · Sui Move · MongoDB · LMSR AMM · OpenAI
Open project- Multi-outcome markets with SEAL encryption
- AI oracle consensus with AWS Nitro Enclaves option
- 15+ E2E tests against live testnet
02
HFT Trading System
Challenge Achieve sub-microsecond latency for automated trading.
C++17 · SIMD · io_uring · Lock-free queues · FIX Protocol
Open project- 1-3μs end-to-end p50 latency
- Custom Vim simulator with 30+ keystroke modules
- Exchange integrations: Binance, Hyperliquid, Polymarket
03
VibeShield — Security Scanner
Challenge Black-box penetration testing with zero code access.
Next.js · Cheerio · Redis · Docker · 54 Attack Modules
Open project- OWASP Top 10 + AI/LLM-specific security checks
- CI/CD integration with SARIF, JUnit, webhook exports
- Platform-specific: Next.js, Supabase, Firebase, Stripe
// Most Recent Notes
Writing in progress
Draft · 4 min read
Designing APIs for latency budgets
A short write-up on practical choices that keep p95 healthy without overengineering.
#backend#performance#api
Read note Draft · 3 min read
What reliability reviews should actually include
A checklist from incident postmortems that helps teams prevent the same class of outages.
#reliability#ops
Read note Draft · 2 min read
How I structure backend project readmes
A template for making architecture and operational context obvious to future contributors.
#documentation#engineering
Read note // Personal Internet
Profiles
Photo Diary
Add images in /public/photos and this block becomes a visual journal.
Now
Currently interested in distributed systems, AI-assisted products, and developer UX.
Outside work
Chess, books, films, and walks that reset my brain between shipping cycles.