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David Asamonye

Senior Engineer · Blockchain Protocol & Smart Contracts · Distributed Backend Systems · Cloud Infrastructure & DevOps

🟢Aping In

Senior engineer with 8 years of production experience across blockchain protocol engineering, distributed backend systems, and cloud infrastructure. Audited Solidity contracts, DeFi protocol architecture, and cross-chain bridge infrastructure. High-concurrency Node.js/TypeScript APIs, Go services, and real-time data infrastructure. Full CI/CD ownership, AWS orchestration, Docker/Kubernetes deployments, and Grafana/Prometheus observability.

Work Preferences

Salary

USD 60,000200,000

Skills

Gas Optimization10/10
Solidity10/10
BullMQ / Async Worker Pipelines10/10
AWS (EC2, ECS, ALB, S3, Lambda)10/10
EVM / Smart Contracts10/10
Node.js / TypeScript (10/10)PostgreSQL / MongoDB / Redis (10/10)ERC-20/721/1155/4626 (9/10)The Graph (8/10)CI/CD / GitHub Actions (8/10)Docker / Kubernetes (8/10)Go (8/10)GraphQL / REST APIs / WebSockets (8/10)Hardhat / Foundry (8/10)LayerZero OFT / Cross-Chain Bridges (8/10)Smart Contract Auditing (CertiK, Paladin) (8/10)Account Abstraction (EIP-4337) (8/10)Grafana / Prometheus / Elasticsearch (7/10)Python (7/10)Rust (6/10)

Work Experience

Senior Software Engineer

Bloom (bloom.social)

Feb 2025Present

Led 3-engineer squad architecting distributed backend infrastructure for a multi-chain wallet & social finance platform. Built Node.js/TypeScript REST APIs with Redis caching and MongoDB snapshots, reducing response latency 60-85%. Designed high-concurrency async BullMQ worker pipelines, engineered cross-chain transaction parsing engine, owned CI/CD orchestration with AWS, and implemented wallet auth stack including EIP-191 signature verification and JWT issuance.

Smart Contract & Backend Engineer

Canza Finance (canza.io)

Jan 2022Jan 2025

Architected Baki Exchange synthetic-asset protocol in Solidity (token issuance, collateral vaults, oracle integrations, liquidation flows), contributing to a $2.3M fundraise. Built TypeScript/Node.js backend services, developed The Graph indexing pipelines, built multi-chain bridge using LayerZero OFT across Ethereum, Arbitrum, Optimism, and Berachain. Reduced gas costs 8-15% and coordinated CertiK and Paladin security audits end-to-end.

Blockchain Engineer

RChain Cooperative

Jun 2018Dec 2021

Built on-chain governance tooling, contract interaction layers, and deployment/testing utilities for the RChain distributed blockchain ecosystem.

Education

Nnamdi Azikiwe University

BSc · Computational Biochemistry