Think before building
I map the product, risks, and technical boundaries before committing to an implementation.
I'm Lucas, an independent engineer working across smart contracts, protocol infrastructure, and the interfaces people actually use.

Lucas Barcelos
AI Fullstack Engineer · Blockchain · Multi-Agent Systems
About me
I stay personally involved from the first architecture conversation to the final handoff. There is no sales layer and no quiet transfer to a junior team after kickoff.
View my GitHubI map the product, risks, and technical boundaries before committing to an implementation.
You review working increments and the decisions behind them — not vague progress updates.
The final code, deployment path, and documentation are made for your team to keep using.
Ethereum · BSC · Polygon · Arbitrum · Optimism · Avalanche · Base · Solana · TON · Fantom · Matchain
Selected work
Reference scopes across exchanges, lending, markets, token launches, staking, and digital assets. Each can be adapted around a real product — they are not one-click clones.

A complete multi-network AMM experience spanning swaps, market discovery, concentrated liquidity, positions, and portfolio analytics.

A high-density perpetual futures terminal with deterministic markets, complete order entry, live position risk, and account controls.

An editorial prediction-market experience with fictional events, coherent probability pricing, complete trading flows, and portfolio management.

A Layer 1 EVM blockchain with a native on-chain database, declarative views and agent infrastructure at the protocol level.

A decentralized exchange on Matchain covering swaps, liquidity provision, staking, market data and NFTs in one application.

A GameFi token presale on Robinhood Chain where buyers immediately mint creatures and talismans and enter battles.

A yield farming platform that converts any deposited token into LP positions with impermanent loss protection and fixed APR.

A multi-phase token presale platform with buy, claim and swap flows, affiliate tracking and multichain readiness.

A token migration portal that upgrades NIX holdings to VELL through a deposit address, with no wallet connection required.

A centralized cryptocurrency exchange with spot, futures, swap, IEO launchpad and a gamified rewards layer.

An agentic AI platform spanning an agent marketplace, data services, a developer platform and an agent-oriented blockchain.

Governance infrastructure for creating and steering DAOs, built on composable smart contract factories across multiple chains.

A gamified Solana memecoin trading platform with in-feed trading on X/Twitter and a rewards economy.

An AI-powered wallet that turns a plain-language instruction into routed, bridged and settled positions across venues and chains.

A real world asset tokenization platform for publishing, trading and managing on-chain property and securities.

A multi-chain Web3 wallet unifying Bitcoin, EVM, Oraichain and Cosmos-SDK networks behind one interface.

The primary decentralized exchange on KalyChain, combining swap, pools, farming, bridge, staking and a launchpad.

An open source perpetual liquidity layer with an order book terminal, lending and yield products in one interface.

A white-label perpetual futures broker terminal on Orderly Network with TradingView charting and full account tooling.

A token launchpad on Base where rewards stream continuously to stakers, paired with a live auction flywheel.

A decentralized marketplace for tokenized real world assets with role-based minting, an integrated DEX, oracle and KYC.

A tokenized real world asset investment platform offering equity NFTs, institutional funds and a company launchpad.

Decentralized prediction markets on Base with gasless trading powered by Yellow Network state channels.

A crypto mining investment platform with an automated dividend system and real-time portfolio tracking.
Start a project
Send me the context you already have: the problem, current stage, target network, and any hard constraints. I'll reply personally with the most useful next step.
Talk directly with me
Telegram is usually fastest. Email works well for a longer brief.
Typical response · within one business day