Nicolas – Ethers.js, Smart contracts, Solidity

Interactive dashboard comparing 55 private transfer protocols on Ethereum and its L2s across architectures and gas benchmarks.

• Led system design for the private transfers report.
• Led metrics collection across protocols.
• Led frontend development for the dashboard.
• Led evaluation review for the report.
• Designed Claude-based agent workflows for protocol research.
• Personally reviewed outputs for accuracy and security risks.

Nicolas co-founded and led a software development company serving local and international clients. The company built informative websites using WordPress, Elementor, PHP, and JavaScript; e-commerce using WooCommerce, Shopify, Stripe, PayPal, and Paymentez; and custom applications using TypeScript, NestJS, MongoDB, and AWS. Nicolas was in charge of following up with each team, helping them out with specific software development details, and delivering high-quality final products to our customers.

• Led a team of 3-5 developers, product managers, and designers to deliver client solutions.
• Talked and negotiated with customers.
• Acted as project manager in multiple projects.
• Owned production website and e-commerce development.

Private voting protocol proposed by Ethereum founder Vitalik Buteryn.

• Contributed to the MACI coordinator backend service.
• Contributed to the TypeScript SDK.
• Contributed to Solidity smart contracts.
• Contributed to Circom ZK circuits.
• Led integration of the MACI private voting plugin for Aragon OSx.
• Wrote integration documentation.
• Onboarded and mentored a team member through the MACI and Aragon OSx codebases.

The most widely used zkSNARK Phase 2 trusted setup framework in Ethereum.

• Co-built and maintained the production p0tion platform.
• Led backend, frontend, and CLI development and maintenance for 2 years.
• Supported 20+ finalized ceremonies.

Critical component to enable Danksharding (EIP-4844).

• Led frontend development for the KZG Ceremony application.
• Built the TypeScript and React interface.
• Used a Rust wrapper for efficient client-side secret generation.
• Deployed the application on IPFS and as a PWA for censorship resistance.
• Deployed the system on AWS Amplify.

Electronic voting system used in 15 university elections.

• Built the e-voting system used in 15 university elections.
• Owned the private, decentralized, and auditable on-chain component.
• Built a Go web server using go-ethereum features such as automatic smart contract bindings.
• Developed the blockchain functionality of an Ionic frontend with web3.js.
• Provisioned authenticated RPC infrastructure for Ethereum, Avalanche, and Polygon on Linux VMs with Nginx.
• Supported deployment in 15+ national university elections serving 150,000+ voters.