Parth Soni
Software Engineer | Full Stack | Backend | Web3 & Smart Contracts
India
Software engineer comfortable across the full stack: backend APIs and services in NestJS and Node.js, frontend in React and Next.js, and smart contracts in Solidity and Rust. Spent the past year as a founding-team engineer building a live Web3 platform end-to-end, and contributing to open source across three language ecosystems as part of a paid, competitive Protocol Labs program.
Work Preferences
Salary
USD 45,000 – 65,000
Skills
Work Experience
Software Engineer, Founding Team (Freelance)
pnp.exchange
Aug 2025 — Present
Built the full stack for a live Web3 platform: React and Next.js frontend with wallet integrations, NestJS backend APIs and microservices, and smart contracts on Solana (Anchor) and Base (Solidity) handling market creation, treasury escrow, and settlement for 1,000+ markets and 600+ active users. Designed and built an autonomous oracle service. Published pnp-sdk (TypeScript) adopted by 50+ teams. Conducted pre-deployment security reviews on all contracts.
Full Stack & AI Engineer (Freelance)
vouai.com, OAIAO Labs Inc.
Apr 2025 — Jul 2025
Built Scout AI and Black Swan AI: full-stack trading applications with React frontends and NestJS backend services, serving 10,000+ users and ranking top 5 in the Virtuals AI agents trading battle. Engineered backend pipelines handling 1,000+ req/min. Applied TDD across all backend services with 40% SQL query improvement.
Open Source Contributor (Cohorts 4, 5, 6)
Protocol Labs Dev Guild
Jan 2025 — Present
Selected among 38 of 580 applicants for a paid open source engineering program. Contributed to py-libp2p (AnyIO service layer, round-robin load balancing for Circuit Relay v2), AgentMesh-Playground (multi-agent workflow orchestration), and libp2p/unified-testing (interoperability test reporting and CI workflow improvements). Maintained 4/5+ mentor ratings for 15 consecutive weeks.
Blockchain Developer Intern
DFinity Foundation + QuadB Technologies
Sept 2024 — Mar 2025
Built AMMs, lending protocols, and treasury systems from first principles in Rust and Motoko across 30+ smart contracts for DeFi, GameFi, and e-commerce applications. Collaborated directly with DFinity Foundation engineers on protocol design and participated in formal spec review loops for production infrastructure.
Education
Indian Institute of Information Technology
B.Tech · Computer Science & Engineering