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Hi, I’m Armando Comellas. I’m a Senior Smart Contract Engineer focused on building scalable yield-generation protocols and secure governance for decentralized finance. I design modular tokenization systems, implement robust liquidation and upgrade paths, and integrate with major DeFi platforms using Solidity, Rust, and modern tooling like Foundry and Hardhat. I also bring frontend experience with React, TypeScript, Next.js, and Vue.js to deliver user-friendly Web3 apps. I thrive in cross-functional, Agile teams, mentor teammates, and write maintainable code that scales. I’m passionate about blockchain innovation and contributing to high-performance ecosystems, from on-chain contracts to cloud infrastructure and automated testing.…Hi, I’m Armando Comellas. I’m a Senior Smart Contract Engineer focused on building scalable yield-generation protocols and secure governance for decentralized finance. I design modular tokenization systems, implement robust liquidation and upgrade paths, and integrate with major DeFi platforms using Solidity, Rust, and modern tooling like Foundry and Hardhat. I also bring frontend experience with React, TypeScript, Next.js, and Vue.js to deliver user-friendly Web3 apps. I thrive in cross-functional, Agile teams, mentor teammates, and write maintainable code that scales. I’m passionate about blockchain innovation and contributing to high-performance ecosystems, from on-chain contracts to cloud infrastructure and automated testing.

Armando Comellas

Web Developer, Full Stack Developer, Programmer, +2

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Hi, I’m Armando Comellas. I’m a Senior Smart Contract Engineer focused on building scalable yield-generation protocols and secure governance for decentralized finance. I design modular tokenization systems, implement robust liquidation and upgrade paths, and integrate with major DeFi platforms using Solidity, Rust, and modern tooling like Foundry and Hardhat. I also bring frontend experience with React, TypeScript, Next.js, and Vue.js to deliver user-friendly Web3 apps. I thrive in cross-functional, Agile teams, mentor teammates, and write maintainable code that scales. I’m passionate about blockchain innovation and contributing to high-performance ecosystems, from on-chain contracts to cloud infrastructure and automated testing.…Hi, I’m Armando Comellas. I’m a Senior Smart Contract Engineer focused on building scalable yield-generation protocols and secure governance for decentralized finance. I design modular tokenization systems, implement robust liquidation and upgrade paths, and integrate with major DeFi platforms using Solidity, Rust, and modern tooling like Foundry and Hardhat. I also bring frontend experience with React, TypeScript, Next.js, and Vue.js to deliver user-friendly Web3 apps. I thrive in cross-functional, Agile teams, mentor teammates, and write maintainable code that scales. I’m passionate about blockchain innovation and contributing to high-performance ecosystems, from on-chain contracts to cloud infrastructure and automated testing.

Available to hire

Hi, I’m Armando Comellas. I’m a Senior Smart Contract Engineer focused on building scalable yield-generation protocols and secure governance for decentralized finance. I design modular tokenization systems, implement robust liquidation and upgrade paths, and integrate with major DeFi platforms using Solidity, Rust, and modern tooling like Foundry and Hardhat. I also bring frontend experience with React, TypeScript, Next.js, and Vue.js to deliver user-friendly Web3 apps.

I thrive in cross-functional, Agile teams, mentor teammates, and write maintainable code that scales. I’m passionate about blockchain innovation and contributing to high-performance ecosystems, from on-chain contracts to cloud infrastructure and automated testing.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Senior Smart Contract Engineer at Napier Finance

November 1, 2023 - November 1, 2025

Designed and implemented modular yield-tokenization protocols and governance systems to enable seamless DeFi solutions. Built principal/yield splits, redemption and rollover flows; added Curve integration with accounting, oracle checks, slippage, and health-factor guards. Implemented NPR-token governance (proposals, voting, timelocks) and migration/runbooks for upgrades. Delivered a lightweight testnet dApp with Next.js and wagmi/viem and contributed to developer docs for partner enablement.

Lead Blockchain Engineer at Blueberry Finance Solution LTD

January 1, 2023 - December 1, 2023

Led the design of a leverage yield-farming protocol with positions, collateral/borrow caps, and liquidation incentives. Developed secure connectors to Curve/Convex/Aura with guardrails for reentrancy and price drift. Designed and built a liquidation service (bots, keeper flows) and ran fork-based simulations with end-to-end testing to ensure reliability and performance.

Rust & Solidity Engineer at Magic Eden

February 1, 2022 - December 1, 2022

Worked on Solana and Ethereum NFT launchpad projects, focusing on mint phases, collection verification, and reliability under high load. Built Solana NFT launchpad programs in Rust/Anchor with Merkle proofs and royalties; Delivered EVM launchpad extensions and a TypeScript SDK; Optimized Solana program compute, account layouts, and CPI paths for high mint reliability under heavy load.

Lead Blockchain Engineer at Pickle Finance

January 1, 2021 - November 1, 2021

Led the development of a multi-chain yield aggregator across Ethereum, BSC, Polygon, and OKEx; integrated strategies across Aave, Curve, and Yearn. Deployed Pickle token (Polygon PoS bridge) and integrated Yearn yield sources for PoolTogether integration. Directed the Next.js Web3 frontend and managed Scrum ceremonies to foster collaboration.

Lead Ecosystem Engineer at Harmony One

December 1, 2019 - October 1, 2021

Led wallet ecosystem development (Chrome extension, multisig, Davinci NFT marketplace) and coordinated with a cross-functional team of 25–30 engineers to drive partner onboarding and tooling for scaling the blockchain ecosystem.

Senior Solidity Engineer at InnovationUpstream

September 1, 2017 - August 1, 2019

Developed cross-chain yield-aggregator features and novel DeFi strategies (vaults, stablecoins, AMM integrations). Introduced fork-testing workflows and coverage baselines; collaborated on audits and post-audit hardening to improve security and resilience.

Software Engineer at Spotify

May 1, 2015 - July 1, 2017

Contributed to large-scale, high-traffic applications. Built modular front-ends with React/Angular/Next.js, and backend services using Java (Spring Boot) and Node.js. Implemented RESTful APIs and GraphQL layers, and automated infrastructure with Docker, Kubernetes, and CI/CD pipelines. Migrated legacy components and ensured reliability with testing and modern development practices.

Web Developer at Upwork

July 1, 2012 - April 1, 2015

Delivered full-stack web projects for diverse clients, using React, Node.js, and PostgreSQL. Maintained code quality with CI practices and basic observability, collaborating directly with clients to gather requirements and iterate quickly.