Oct 2025 - Present · 10 mos·Pfäffikon, Zurich, Switzerland
Building NestJS and TypeScript backend services for Hedera Hashgraph products, connecting distributed ledger operations to production APIs for enterprise clients.
Designing scalable backend infrastructure — service modules, protocol integrations, and secure request handling — for applications in a globally distributed engineering organization.
Owning reliability and security of ledger-backed backends: authentication, ledger interactions, and service-layer design aligned with enterprise operational requirements.
Dec 2021 - Sep 2025 · 3 yr 9 mos·Noida, Uttar Pradesh, India
Designed and shipped NestJS backends for production products, including Taxicoin (cross-platform ride-hailing with crypto payments and in-app staking) and collective-investment platforms with automated on-chain settlement.
Built a modular indexer that ingests and processes transactions across multiple EVM-compatible chains; adopted as a shared platform component across several organizational projects.
Integrated The Graph for real-time indexed queries, reducing query response time by 40%.
Delivered 3+ DAO platforms with proposal-based governance, plus asset-tokenization systems enabling fractional ownership of digital and real-world assets.
Implemented Gnosis Safe multi-signature wallets for institutional-grade asset custody, and event-driven pipelines (webhooks, WebSockets, on-chain events) to keep backends in sync with high-volume on-chain activity.