Poonam Kumari

Architected and launched a Rollups-as-a-Service (RaaS) platform enabling rapid deployment of L2/L3 chains with integrated sequencers, APIs, explorers, and monitoring systems. Delivered 10+ production-grade L2/L3 deployments for enterprise and Web3 partners, including Pandasea, Block Fit, and Binary Holdings. Reduced deployment time by 30% and infrastructure cost by 50% through automation and multi-cloud optimization.

Designed secure validator infrastructure with distributed trust models; contributed to MPC-based key management and secure signing workflows for validator and staking operations. Implemented KMS-backed encryption for secrets, API security, and platform integrity. Led interoperability initiatives using Cosmos SDK and IBC, enabling cross-chain communication across Layer-1 blockchains.

Defined product roadmap aligned with enterprise use cases; onboarded 10+ strategic partners. Authored white papers and proposals contributing to grant funding & secured the Optimism Retro PGF grant for OP Stack contributions. Led a cross-functional team of 12+ engineers, PMs, and Dev Ops specialists across distributed teams.

Designed a multi-chain orchestration layer supporting Ethereum and Cosmos ecosystems, enabling cross-network coordination and scalability. Designed and implemented validator networks and node infrastructure across multiple blockchain ecosystems.

Built monitoring, failover, and uptime systems ensuring enterprise-grade SLAs. Delivered full lifecycle support for a custom L1 chain, including explorer, wallet, and support systems.

Designed API-first, event-driven architecture for enterprise blockchain adoption. Built integration layers connecting blockchain infrastructure with cloud, Dev Ops, and partner systems.

Defined identity and access architecture using OAuth 2.0 and token-based authorization models. Drove development of security modules for AI in healthcare, leveraging federated learning and SGX in collaboration with Intel.

Designed systems for digital signature devices using cryptographic primitives and secure identity validation. Led development of a cloud-based media player optimized for broadcast and OTT streaming workflows. Worked with FFmpeg, MPEG-TS, SCTE-35/104, and Harmonic encoders on low-latency video processing pipelines.

Developed embedded applications on ARM architecture; built a toolchain for Raspberry Pi 3. Designed a lightweight, customized operating system extending functionality of older hardware.